SERVICE MANUAL - ATW.huusers.atw.hu/bazsielektron/Hang Auto/jbl_gto-75-4_[ET].pdf · 4 CONNECTIONS...
Transcript of SERVICE MANUAL - ATW.huusers.atw.hu/bazsielektron/Hang Auto/jbl_gto-75-4_[ET].pdf · 4 CONNECTIONS...
GTO Series 75.4 75.4II
4 CHANNEL POWER AMPLIFIER
SERVICE MANUAL
JBL Consumer Products 250 Crossways Park Dr.
Woodbury, New York 11797 Rev3vvv10/2005
- CONTENTS -
SPECIFICATIONS ………………………………….……..1 FEATURES/TEST CONDITIONS……..…………………2 INSTALLATION………………….……...……..…...…...…3 CONNECTIONS………………….……...……..…...…..…4 SET-UP/CONTROLS ……..………………..…….….…...5 INSTALLING NEON TUBES..…….…….………………..5 BASIC TROUBLESHOOTING..…….…….………………7 TYPICAL SYSTEM WIRING..…….…….……………..…8 EXPLODED VIEW/PARTS LIST…….….….…………....9 MECHANICAL PARTS LIST..…….…….…………….....10 AMPLIFIER BLOCK DIAGRAM…………………….……11 P.C.B. DRAWINGS….……………………………….…….12 ELECTRICAL PARTS LIST ..……….……….…….….…16 VERSION II ELECTRICAL PARTS LIST ADDENDUM….……….19 IC/TRANSISTOR PINOUTS..……..….…….….….….…..20 GTO 75.4 SCHEMATICS………..………………..……...23 GTO 75.4II SCHEMATICS………..……………………...26 PACKING……..…………………………………………....29
GTO 75.4/75.4II Specifications Output Power: 104W RMS x 4 channels @ 4 ohms; ≤1% THD + N
(14.4V supply) 142W RMS x 4 channels @ 2 ohms; ≤1% THD + N 284W RMS x 2 channels @ 4 ohms; ≤1% THD + N
Signal-to-noise ratio: 80dBA (reference 1W into 4 ohms) Dynamic power: 163W @ 2 ohms Effective damping factor: 6.38 @ 4 ohms Frequency response: 10Hz – 83kHz (–3dB) Maximum input signal: 5.8V Maximum sensitivity: GTO 75.4 - 230mV GTO 75.4II - 75mV DC Offset <50Mv (-50%) Output regulation: .069dB @ 4 ohms Idle Current 1.3A Input Impedance 22kΩ Max Current Draw 52A @ 4 ohms 83A @ 2 ohms Dimensions: 15 1/8 x 12 5/16 x 2 3/8” (L x W x D) (384mm x 313mm x 60mm) Fuses: 30A x 2
JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publications are therefore subject to change without notice.
Power Amplifier GTO 75.4/75.4II
1
GTO 75.4/75.4II
2
INSTALLATION
2
WARNING: Playing loud music in anautomobile can hinder your ability to heartraffic and permanently damage your hearing. We recommend listening at low ormoderate levels while driving your car. JBLaccepts no liability for hearing loss, bodilyinjury or property damage resulting fromthe use or misuse of this product.
IMPORTANT: To get the best performance from your JBL Grand Touring®
Series amplifiers, we strongly recommendthat installation be entrusted to a qualified professional. Although these instructionsexplain how to install GTO amplifiers in ageneral sense, they do not show specificinstallation methods that may be requiredfor your particular vehicle. If you do nothave the necessary tools or experience, do not attempt the installation yourself.Instead, please ask your authorized JBLcar audio dealer about professional installation.
INSTALLATION WARNINGS AND TIPS• Always wear protective eyewear when
using tools.• Turn off the audio system and other
electrical devices before you start.Disconnect the (–) negative lead fromyour vehicle’s battery.
• Check clearances on both sides of a planned mounting surface beforedrilling any holes or installing anyscrews. Remember that the screws can extend behind the surface.
• At the installation sites, locate andmake a note of all fuel lines, hydraulicbrake lines, vacuum lines and electricalwiring. Use extreme caution when cut-ting or drilling in and around these areas.
• Before drilling or cutting holes, use autility knife to remove unwanted fabricor vinyl to keep material from snaggingin a drill bit.
• When routing cables, keep input-signalcables away from power cables andspeaker wires.
• When making connections, make certain they are secure and properlyinsulated.
• If the amplifier’s fuse must be replaced,use only the same type and rating asthat of the original. Do not substituteanother kind.
CHOOSING A LOCATIONAND MOUNTING THEAMPLIFIERChoose a mounting location in the trunk or cargo area where the amplifier will notbe damaged by shifting cargo. Amplifiercooling is essential for proper amplifieroperation. If the amplifier is to be installedin an enclosed space, make sure there issufficient air circulation for the amplifier to cool itself.
When mounting the amplifier under a seat, ensure that it is clear of all movingseat parts and does not affect the seat adjustments. Mount the amplifier so it is not damaged by the feet of backseat passengers. Make sure that the amplifieris mounted securely using nuts and boltsor the supplied mounting screws.
Mount the amplifier so that it remains dry – never mount an amplifier outside the vehicle or in the engine compartment.
POWER CONNECTIONSThe GTO amplifiers are capable of delivering extremely high power levels,and require a heavy-duty and reliable connection to the vehicle’s electrical systemin order to perform optimally. See Figure 1for connection location. Please adhere tothe following instructions carefully:
Ground ConnectionConnect the amplifier’s Ground (GND) terminal to a solid point on the vehicle’smetal chassis, as close to the amplifier as possible. Refer to the chart below to determine minimum wire-gauge size. Scrapeaway any paint from this location; use a star-type lock washer to secure the connection.
Power ConnectionConnect a wire (see chart at right forappropriate gauge) directly to the vehicle’spositive battery terminal, and install anappropriate fuse holder within 18" of thebattery terminal. Do not install the fuse atthis time. Route the wire to the amplifier’slocation, and connect it to the amplifier’sPositive (+12V) terminal. Be sure to useappropriate grommets whenever routingwires through the firewall or other sheetmetal. Failure to adequately protect thepositive wire from potential damage mayresult in a vehicle fire. When you are done routing and connecting this wire, you mayinstall the fuse at the battery.
Remote ConnectionConnect the amplifier’s Remote (REM) terminal to the source unit’s Remote Turn-On lead using a minimum of 18-gauge wire.
NOTE: When using the speaker levelinputs, connect the remote (REM) terminalto the source unit. If your source unit doesnot have a remote turn-on connection,connect the amplifier’s (REM) terminal tothe vehicle’s accessory circuit.
Speaker ConnectionsRefer to the application guides on thepages that follow. Speaker connectionsshould be made using a minimum of 16-gauge wire.
High-Level Input ConnectionsThe GTO75.4 and GTO75.4II amplifiers are equipped with speaker-levelinputs that allow you to add an amplifier to head units that do not have RCA lineoutputs. The speaker outputs for thesource unit should be connected to theamplifier using the supplied connector(square four-wire plug). Remember tocheck for proper polarity. The GTO301.1,GTO601.1 and GTO1201.1 amplifiers are not equipped with high-level inputs.
NOTE: When using the high-level inputs,the AUX outputs can be used to pass aline-level signal to another amplifier.
Wire Gauge ChartAmplifier Maximum Minimum Model Current Draw Wire GaugeGTO75.4 85A #8 AWGGAWGAWGThese recommendations assume 7' – 10'wire runs. If your installation differs mark-edly, you will need to adjust the wiregauge accordingly.
IMPORTANT NOTE: If you are planning to use optional neon tubes, install thembefore making any electrical connectionsto the amplifier (refer to“Installing NeonTubes” on page 5).
Figure 1. Terminal connection end plate.
GTO Amp OM 2/3/04 3:54 PM Page 2
GTO 75.4/75.4II
3
4
CONNECTIONS – GTO 75.4/75.4II
The GTO 75.4/75.4II can be set up for stereo4-channel, 3-channel or bridged 2-channel operation, as shown inFigures 6 through 8.
NOTE: For simplicity, Figures 6 through8 do not show power, remote and input connections.
NOTE: Minimum speaker impedancefor stereo operation is 2 ohms.Minimum speaker impedance forbridged operation is 4 ohms.
–
+ –
+
–
+–
+
Figure 6.GTO 75.4/75.4II amplifier in 4-channel (stereo) operation to drive front and rear full-range speakers.
–
+
–
+–
+
Figure 7.GTO 75.4/75.4II is set up for 3-channel operation to drive a set of full-range speakers and a subwoofer.
–
+
–
+
Figure 8.GTO 75.4/75.4II used in bridged 2-channel mode to drive a set of components or subwoofers.
GTO Amp OM 2/3/04 3:54 PM Page 4
GTO 75.4/75.4II
4
6
INSTALLATION AND SETUP
SETTING THECROSSOVER(S)Determine your system plans and set thecrossover mode switch accordingly. If youplan to use the GTO 75.4/75.4II to drivefull-range speakers, set the crossovermode to FLAT and skip to “Setting InputSensitivity.”
Initially set the crossover frequency control midway. While listening to music,adjust the crossover for the least perceived distortion from the speakers,allowing them to reproduce as much bass as possible.
Systems using a separate subwoofer setthe crossover mode to HP (high pass) foryour full-range speakers. Adjust thecrossover frequency to limit bass and provide increased system volume with less distortion.
For subwoofers, choose the highest frequency that removes vocal informationfrom the sound of the subwoofer.
If using the GTO 75.4/75.4II to drive a subwoofer(s), set the crossover mode toLP (low pass).
SETTING INPUTSENSITIVITY1. Initially turn the INPUT LEVEL control(s)
to minimum (counter clockwise).2. Reconnect the (–) negative lead to the
vehicle’s battery. Apply power to theaudio system and play a dynamic musictrack.
3. On the source unit, increase the volumecontrol to 3/4 volume. Slowly increasethe INPUT LEVEL control(s) toward threeo’clock until you hear slight distortion in the music. Then reduce the INPUTLEVEL slightly until distortion is no longer heard.
NOTE: After the source unit is on, red LEDs(on the top panel) will light, indicating theamplifier is on. If not, check the wiring,especially the remote connection from thesource unit. Also refer to “Troubleshooting”on the next page.
AUX OUTPUTGTO 75.4/75.4II amplifiers areequipped with full-range outputs that canbe used to connect additional amplifiers.
NOTE: When using the high-level inputs,the AUX outputs can be used to pass aline-level signal to another amplifier.
INSTALLING NEON TUBES(OPTIONAL) 1. Using a Phillips screwdriver, remove all
screws on the amplifier’s output/powerend panel and set them aside.
2. Using a 3 ⁄32-inch Allen wrench, removeonly the screws on the amplifier’s (top)clear cover and set them aside.
3. Remove the end panel and slide thecover off. Set both parts aside.
4. Locate the enclosed hardware bag andremove the four clips. Each clip has asquare end and a larger round end.Using a round end, press two clips ontoeach neon tube (e.g., Street Glow AN9 or equivalent), as shown in Figure 13.
5. For each tube, align both clips so thesquare ends slide onto an exposedextrusion edge, as shown in Figure 9. Do not cover any screw holes. Wheninstalled correctly, each neon tube willsit under an extrusion and not be visiblewhen viewed from directly above.
6. Route each neon tube’s power cablethrough its respective NEON hole on theend panel (see Figure 13).
7. Slide the cover back into place and re-install its screws. Then, replace the endpanel and reinstall its screws.
8. Finish the installation of the neon tubesas instructed in their owner’s manual.
Figure 12.
GTO Amp OM 2/3/04 3:54 PM Page 6
GTO 75.4/75.4II
5
GTO 75.4/75.4II
6
7
INSTALLATION AND SETUP
To NeonPowerSupply
To NeonPowerSupply
Figure 13. Installing neon tubes in a JBL GTO amplifier.
TROUBLESHOOTING
SYMPTOM LIKELY CAUSE SOLUTION
No audio No voltage at BATT+ Check voltages at(POWER LED or REM terminals, amplifier terminalsis off) or bad or no ground with VOM
connectionNo audio DC voltage on Amplifier may need(PROTECT LED amplifier output service; see enclosedflashes every warranty card for4 seconds) service information No audio Amplifier is Make sure amplifier(PROTECT overheated cooling is not blockedLED is on) at mounting location;
verify speaker systemimpedance is within specified limits (see “Specifications” on the next page)
No audio Voltage less than 9V on Check vehicle(PROTECT BATT+ connection charging system forand POWER defective voltage LEDs flash) regulator
SYMPTOM LIKELY CAUSE SOLUTION
No audio Voltage more than 16V Check vehicle(PROTECT or less than 8.5V on charging system forLED is on) BATT+ connection defective voltage
regulatorDistorted audio Input sensitivity is Check INPUT
not set properly, or LEVEL setting; oramplifier or source check speaker wiresunit is defective for shorts or grounds
Distorted audio Short circuit in Remove speaker leadsand PROTECT speaker or wire one at a time to locateLED flashes shorted speaker or
wire, then repair Music lacks Speakers are not Check speaker“punch” connected properly connections for
proper polarity
GTO Amp OM 2/3/04 3:54 PM Page 7
GTO 75.4/75.4II
7
Grand TouringGrand Touring
GTO 75.4/75.4II
8
71 2 3 4 5 6 8
A
B
C
D
E
GTO 75.4/75.4II
GTO 75.4/75.4II Exploded View
9
GTO 75.4/75.4II
Mechanical Parts List
10
GTO 75.4/75.4II BLOCK DIAGRAM
GTO 75.4/75.4II
11
GTO 75.4/75.4II
12
J61
15m/m
J26
7.5m/m
J1417.5m/m
R4547
J11412.5m/m
J66
22m/m
C800
10/16V
C52
4700/50V"HC"
J150
7.5m/m
HI301
LAD1140-04PBK
HI101
LAD1140-04PBK
R3071K
SW102
JSS2219
CON301-1
TM2501-DG-14P
BJ07
55m/m
SW302
JSS2219
J151
7.5m/m
R433
22
R23647
C251100P
R233
22
R24322
R2425.6K
J129
7.5m/m
R246
47
R2351K
R2451K
R2325.6K
R244
22
R23422
R250
120
Q443C3198GR
Q44
FQP50N06
Q431C3198GR
Q442
A1266GR
Q233A1266GR
R91 22K
Q232C3198GR
Q231C3198GR
C232100P
C242100P
R25215K
D2511SS133
R237
3.9K
C22168P
Q241A1266GR
C320
2.2/50V"SRE"
J12019m/m
R247
2.7K
R271
13.7KF
C240473(M)
Q242
A1266GR
R2721KF
R44322
C191
220/16V
R1600.1/3W
BJ0535m/m
D291
1N4744
J17919m/m
R03
10/0.5W
J1727.5m/m
J11012.5m/m
R3700.1/3W
D191
1N4744
J174 22m/m
Q243
C3198GR
J04
7.5m/m
J55 6m/m
J68
22m/m
J13422m/m
C291
220/16V
Q234C1027Y
J8112.5m/m
C371
100/16V"SRE"
R4425.6K
R350
120
Q244A1023Y
J44
12.5m/m
J79
7.5m/m
Q251C3200GR
Q341
A1266GR
C332100P
C342100P
R4511.5K
C451
100P
R1510
J178 22m/m
D3511SS133
R35215K
J1416m/m
J1436m/m
C301
102P
R3373.9K
J1526m/m
J1536m/m
C32168P
Q342A1266GR
J1556m/m
C141
2.2/50V
C401
102P
J14810m/m
J16620m/m
R44647
J49
12.5m/m
J14910m/m
R181 56K
J222
7.5m/m
R4311K
R4351K
R3472.7K
R170
0.1/3W
R131
1K
R1411K
C340
473(M)"TL"
R4411K
Q331C3198GR
R33422
Q343
C3198GR
R344
22
R3325.6K
J177 22m/m
R37113.7KF
Q334C1027Y
C261
104(M)
R3721KF
J11212.5m/m
C461
104(M)
R3451K
J7515m/m
C471
100/16V
R465
1K
C1312.2/50V
C192
330/16V
J0717.5m/m
L01
CL-510
C62
4700/50V"HC"
J13812.5m/m
J7315m/m
R321
22KF
R407
1K
R3411K
J22
10m/m
Q344A1023Y
Q335
TIP35C
J13622m/m
Q345
TIP36C
C4412.2/50V
Q351C3200GR
J92
12.5m/m
J9312.5m/m
C431
2.2/50V
C3312.2/50V
J171 22m/m
J8212.5m/m
Q445
TIP36C
J10018m/m
C3412.2/50V
C57
4.7/50V
R42122KF
R5647
Q435
TIP35C
R3351K
R365
1K
J1566m/m
R3311K
R4451K
D52
FR154
WIRE
W1
60m/m
J97 20m/m
C40410P
Q332
C3198GR
Q333A1266GR
C40522P
R4721KF
C40622P
J140
6m/m
J7615m/m
C161
104(M)
R40247KF
J11312.5m/m
C171
100/16V"SRE"
C1202.2/50V"SRE"
D53
FR154
D51
FR154
R403
47KF
R12122KF
J117
15m/m
J1547.5m/m
J118
20m/m
J1426m/m
J51
15m/m
J83
15m/m
J13722m/m
R90 47K
Q434C1027Y
C220
2.2/50V
R3600.1/3W
J1117.5m/m
L02
CL-510
J65
10m/m
R40647KF
J7818m/m
J310
20m/m
J1017.5m/m
J64
10m/m
R405
47KF
J130
6m/m
C402
22/16V"SRE"
C60104P
Q145
TIP36C
Q135
TIP35C
J176 22m/m
R1721KF
C11
100/16V
R171
13.7KF
R346
47
J7720m/m
R47113.7KF
C403
22/16V"SRE"
J139
6m/m
C140
473(M)"TL"
J98 20m/m
R1472.7K
R1373.9K
R4325.6K
J12222m/m
Q441A1266GR
R444
22
D42
YG225D2
J9112.5m/m
J16811m/m
R311K
C1447/16V
J13322m/m
R41220/0.5W
R3511.5K
R02
4.7K
C1510/25V
D41
YG225D2
R04
56K
J10118m/m
Q340
C3200GR
C181
100/16V
J8418m/m
C33
473P
R61
10K
R058.2K
J158 22m/m
R3425.6K
R401
22KF
R16820
C12 100/16V
C13
100/16V
R5347
R12
3.9K
R34322
R34 15K
J48
12.5m/m
Q440
C3200GR
J169 17.5m/m
R43422
Q240
C3200GR
R3333K
Q140
C3200GR
C21102(M)
R1410K
R3515K
C420
2.2/50V
C22104P
R01
4.7K
Q151C3200GR
R11
4.7K
R333
22
C12168P
Q53
FQP50N06
R32
22K
R33647
C61
470/50V
J8518m/m
J71
12.5m/m
C63 473P
J9918m/m
J145
6m/m
C30410P
J1217.5m/m
Q54
FQP50N06
C53
473P
J35
10m/m
U01
TL494CN
Q43
FQP50N06
J807.5m/m
R2700.1/3W
R2124K
R4600.1/3W
J1717.5m/m
TH01
FTD5-350
R1310K
R2224K
R38156K
R421K
J1917.5m/m
R4347
J2017.5m/m
D54
FR154
Q22
A1268GR
Q02C3198GR
Q11A1266GR
R51220/0.5W
R15215K
D031SS133
C351100P
Q12A1266GR
R4472.7K
Q21C3198BL
C440
473(M)
Q01A1023Y
R4373.9K
J12611m/m
R150
120
D151
1SS133
Q33A1266GR
J63
17.5m/m
D041SS133
C361
104(M)
R45215K
C142100P
R28156K
C132100P
Q23A1266GR
Q433
A1266GR
J10420m/m
R291
150/2W
C1647/25V
J1166m/m
Q432
C3198GR
R191
150/2W
Q281
C3198GR
J90
12.5m/m
Q181
C3198GR
C05
2200/25"WL"
Q144A1023Y
R624.7KF
C42168P J147
10m/m
R161
4.7/0.5W
R450120
Q134C1027Y
C241
2.2/50V
J16711m/m
D451
1SS133
R13422
C442100P
C432100P
Q451C3200GR
R30
100/2W
Q143
C3198GR
Q142
A1266GR
R144
22
R1325.6K
R1451K
R1351K
C08
222(M)
J60
15m/m
R14647
R151
1.5K
J12122m/m
R1425.6K
R14322
R133
22
R13647
J67
22m/m
J175 22m/m
R2311K
Q141
A1266GR
C151100P
R4201KF
R2201KF
R2411K
R22122KF
C2312.2/50V
J13522m/m
C30622P
D011N5404
Q131C3198GR
Q132C3198GR
Q444A1023Y
Q245
TIP36C
Q235
TIP35C
Q133
A1266GR
R251
1.5K
C30522P
TER02
ST-11A-2-8P
R30547KF
FH01
WF-9604
J7415m/m
R303
47KF
C302
22/16V"SRE"
C303
22/16V"SRE"
U301
NJM2068LD
J39
10m/m
R30247KF
R30647KF
R301
22KF
U110 NJM2068LD
LED02
TOL-30aSBaCAa-B2
J170
6m/m
J12322m/m
C67
4.7/50V
J11512.5m/m
J323
7.5m/m
J173 22m/m
R260 0.1/3W
J125
22m/m
J0617.5m/m
R6010.5KF
J8718m/m
TER01DST0013-00
R43647
R165
1K
C101
102P
C201
102P
R265
1K
BJ03
55m/m
C271
100/16V
C03 104P
C042200/25V"WL"
R207
1K
R1071K
R48156K
C20410P
C20522P
C20622P
R20247KF
R206
47KF
J8818m/m
J10320m/m
R20347KF
J8912.5m/m
R205
47KF
C203
22/16V"SRE"
C202
22/16V"SRE"
J94
12.5m/m
J321
15m/m
R20122KF
C31
105(M)TL
C10410P
J320 20m/m
BJ06
35m/m
R162
680/2W
BJ02
55m/m
C34105(M)TL
C01
105(M)"TL"
C10622P
J72
12.5m/m
J54
6m/m
J1817.5m/m
J53 6m/m
C10522P
R461
4.7/0.5W
R10547KF
R521K
RCA301
DJB-562D
3RD
C400
104P
WIRE
W2 60m/m
C200
104P
D02
IN4004
R362
680/2W
R462
680/2W
R262
680/2W
R106
47KF
J47
12.5m/m
C102
22/16V"SRE"
RCA101
DJB-554A
J10817.5m/m
J165
7.5m/m
J52 6m/m
R361
4.7/0.5W
R129
100K
C128
4.7/50V"SRE"
C103
22/16V"SRE"
C228
4.7/50V"SRE"
U101
NJM2068LD
R10247KF
R10347KF
J8618m/m
R101
22KF
R5547
R4647
Q56
FQP50N06
LED01
HNRD-3401L
Q90C3198GR
R92 1K
R2568K
SCREW
R5447
J0817.5m/m
J0917.5m/m
Q55
FQP50N06
R4700.1/3W
J1617.5m/m
J1517.5m/m
J1317.5m/m
Q45
FQP50N06
R44
47
Q46
FQP50N06
BJ01
55m/m
J0517.5m/m
L03
CL-310
J119
22m/m
J12422m/m
J62
17.5m/m
J159 15m/m
J157 15m/m
J160 17.5m/m
J164 22m/m
C323
22/16V"SRE"
C324
22/16V"SRE"
C423
22/16V"SRE"
C424
22/16V"SRE"
C224
22/16V"SRE"
C223
22/16V"SRE"
C124
22/16V"SRE"
C123
22/16V"SRE"
R123
270K
R124
270K
R223
270K
R224
270K
R222
10KR122
10K
U111
NJM2068LD
R166
1K
R466
1K
R266
1K
R366
1K
R125
10KF
R126
10KF
U310 NJM2068LD
R127
1K
R128
1K
C12622P
R229
100K
C22622P
R227
1K
R2281KR22610KF
R22510KF
R322
10KR422
10K
R424
270K
R423
270K
R324
270K
R323
270K
J10717.5m/m
3RD.
J337
12.5m/m
J336
12.5m/m
J332
10m/m
J333
10m/m
J334
10m/m
J335
10m/m
J322
7.5m/m
J331
7.5m/m
J27
7.5m/m
C51 470/50V
J10912.5m/m
J33020m/m
J163 22m/m
J162 22m/m
J161 22m/m
J13117.5m/m
J12822m/m
J12711m/m
J10218m/m
J221
10m/m
J1447.5m/m
J20511m/m
J220
7.5m/m
J311
15m/m
J20220m/m
J2017.5m/m
C410
104P
C210
104P
J2036m/m
J132
10m/m
J46
12.5m/m
J219
6m/m
J2186m/m
J20910m/m
J21315m/m
R261
4.7/0.5W
J20720m/m
J20620m/m
J22812.5m/m
J229
6m/m
J215
10m/m
J22310m/m
J22410m/m
C06
2200/25"WL"
J22710m/m
J69
22m/m
R3201KF
J200
6m/m
J22610m/m
R292
1K
J20810m/m
J2256m/m
J230
6m/m
R1201KF
J231
6m/m
J146
6m/m
J2146m/m
J30
7.5m/m
J31
7.5m/m
J32
7.5m/m
BJ0435m/m
J34
10m/m
J38
10m/m
J37
10m/m
J36
10m/m
J42
7.5m/m
J43
7.5m/m
J2126m/m
J2116m/m
R63430K
J2046m/m
J217
6m/mJ216
6m/m
CON101-1
TM2501-DG-14P
J210
10m/m
C32
473P
D111SS133
J59
25m/m
J11120m/m
R192
1K
J25
7.5m/mJ45
12.5m/m
J28
7.5m/m
C292
330/16V
J03
7.5m/m
J02
7.5m/m
J01
7.5m/m
J50
12.5m/m
J40
7.5m/m
J41
7.5m/m
J58
10m/m
J57
10m/m
J56
10m/m
J33
6m/m
J29
7.5m/m
J70
23m/m
J21
10m/m
J23
10m/m
J24
10m/m
J300
6m/m
8
7 6
3 2
14
5
T01
44PHI
SCREW
22
2
2 2 2 2
2222
11
1
1
FR-INFL-IN
+15VGNDS
FL-OUT
FR-OUTRR-OUTRL-OUT
GNDS-15V -15V
+15V
RR-IN
RL-IN
R-R-
R+R+ L+L+
L-L-
MONO MONOSTEREO STEREO
GTO75.4
LRL LR R
R/CHL/CH
REM GND
REV.0
PAM631-01
FRONTFRONT
REARREAR
4T:11T:8T:8T
(0.7x15):(0.7x4):(0.7x1):(0.7x1)
GTO 75.4/75.4II
13
J75
J150
R42
C105
C320
C52
J151
HI301HI101
R433
SW102
CON301-1
BJ07
SW302
J129
R236
R233
C232
R243
R242
R246
J172
R235
R245
R232
R244
R234
R250
R91
Q431
Q53
Q442
Q233
Q232
R252
Q231
Q241
C242
C221
R237
D351
R247
C332
Q242
C141
J120
R271
R272
C340
Q243
R443
R442
C251
R160
D291
J179
R41
J71
R370
D191
J68
Q234
J79
J141
J134
J178
C371
Q244
C471
R350
R451Q251
J222
Q341
Q342
C342
C451
R15
C301
R352
J177
D03
R337
J143
J152
C321
R446
J153
J155
C401
Q331
J156
C131
C404
J149
J97
R431
J112
R161
J154
R435
R347
R131
R170
R141
R441
R281
R334
Q343
R344
Q334 R332
R371
J136
R372
Q344
C32
R345
J138
C461
R465
J73
C171
R321
C441
C192
L01
C62
J92
J76
R407
R341
R421
J65
Q351
Q345
J171
Q445
C431
Q332
J81
C331
C191
J137
J113
Q435
J100
C57
C120
R335
R56
Q145
R365
R331
J140
R445
R472
D52
W1
J118
C405
Q333
Q434
C406
R402
C60
J142
J117
C140
R403
J91
C11
C220
D53
D51
R121
R90
J80
J310
J130
J83
J60
J176
R406
Q441
C402
R360
L02
J64
R405
J78
J77
J169
R172
J139
C403
Q135
Q245
J122
R171
C181
R346
R471
J98
R147
C14
J145
C21
J104
R137
R432
R444
J133
Q340
R31
D42
J168
R351
C361
J158
R51
R04
R461
C420
D41
R61
J101
Q440
C15
J84
C22
R05
R342
J121
R401
R16
R12
C13
C271
R381
R343
R34
R434
Q240
R33
Q140
R14
Q151
C440
R35
R01
C16
C121
R11
Q22
R333
R32
C08
Q54
R336
R21
C61
J85
J90
C304
J99
J116
C53
Q43
C351
J147
U01
Q56
R270
R13
R460
TH01
R22
R152
C33
R43
J63
D54
Q02
Q11
Q12
J61
R447
D151
C142
Q21
R437
Q01
C161
Q33
R150
J126
R452
D04
Q23
D451
J119
R62
C132
R53
C421
Q433
Q432
J103
R291
C241
J170
Q281
R191
Q181
J115
Q144
C05
Q134
R450
C442
J160
R134
Q451
C231
J167
D11
R144
C432
C151
Q143
R30
Q142
Q141
R132
R145
R135
R146
C31
J74
R151
R142
J67
R143
R133
R136
R231
J175J135
R420
Q131
C306
R220
R241
R221
R305
C302
J123
C305
D01
Q132
Q444
Q133
Q235
U301
Q90
R45
C201
TER02
R303
J321
R302
C303
C67
U110
R306
R301
R60
U101
J54
J173
C203
J89
J165
J125
R260
J132
R436
J87
TER01
R165
R265
R129
C01
R207
J55
Q443
C204
C04
R107 R202
R481
C205
C206
C104 R206
R203
J88
J320
R205
J94
R201
C202
C102
J72
J159
R105
C106
J330
R162
R307
C101
J53
J82
J52
R361
R106
R55
RCA301
3RD
W2
C126
D02
R362
R462
R262
C261
C128
RCA101
J203
R261
R102
C103
C228
C323
U111
R103
R101
J86
R92
R46
R54
Q55
C800
R25
R123
R44
Q45
R470
Q46
Q44
Q335
J62
L03
J124
J164
J174
J157
J311
J163
C324
C423
C424
C224
C223
C124
C123
R03
R124
R223
R224
R222R122
R166
U310
R466
R266
R366
R125
R126
R127
C12
R128
R229
C226
R227
C410
R228
R226
R225
R322 R422
R424
R423
R324
R323
R320
J131
3RD.
C34
J221
R52
J144
C51
J202
J162
J161
J128
J114
J69
J127
J102
C341
J220
J205
J201
J213
J207
C210
J219
J209J228
J218
J229
J215
D251
J166
J206
J200
J223
J224
J227
C06
J226
J70
R292
J225
J208
R120
J230
J231
R63
J146
J214
J212
C03
J210
J211
J204
R192
J217
J216
CON101-1
J51
R251
R02
J59
J66
C291
C292
C240
R181
J148
T01
GTO 75.4/75.4II
14
GTO 75.4/75.4II
15
TRS-00-00087 TRANSISTOR SMALL SIGNAL PNP KTA1023Y Q01,144,244,344,444 5
TRS-00-00088 TRANSISTOR SMALL SIGNAL NPN KTC1027Y Q134,234,334,434 4
TRS-00-00091 TRANSISTOR SMALL SIGNAL PNP KTA1268GR Q22 1
TRS-00-00111 TRANSISTOR SMALL SIGNAL NPN KTC3200GR Q151,251,351,451 4
TRS-00-00110 TRANSISTOR SMALL SIGNAL NPN KTC3198GR Q02,90,131,132,143,181,231,232,243,281 16
Q331,332,343,431,432,443
TRS-00-00090 TRANSISTOR SMALL SIGNAL PNP KTA1266GR Q11,12,23,33,133,141,142,233,241,242 16
Q333,341,342,433,441,442
TRS-00-00109 TRANSISTOR SMALL SIGNAL NPN KTC3198BL Q21 1
DIO-00-00108 DIODE FAST RECOVERY FR154 D51,52,53,54 4
DIO-00-00003 DIODE RECTIFIER IN4004 D02 1
DIO-00-00006 DIODE SWITCHING SIGNAL 1SS133 D03,04,11,151,251,351,451 7
RES-00-00437 RESISTOR METAL FILM 1/5WF 1K OHM R120,172,220,272,320,372,420,472 8
RES-00-00523 RESISTOR METAL FILM 1/5WF 4.7K OHM R62 1
RES-00-00402 RESISTOR METAL FILM 1/5WF 10K OHM R125,126,225,226 4
RES-00-00399 RESISTOR METAL FILM 1/5WF 10.5K OHM R60 1
RES-00-00417 RESISTOR METAL FILM 1/5WF 13.7K OHM R171,271,371,471 4
RES-00-00467 RESISTOR METAL FILM 1/5WF 22K OHM R101,121,201,221,301,321,401,421 8
RES-00-00537 RESISTOR METAL FILM 1/5WF 47K OHM R102,103,105,106,202,203,205,206,302,303 16
R305,306,402,403,405,406
RES-00-00610 RESISTOR CARBON FILM 1/5WJ 10 OHM R15 1
RES-00-00660 RESISTOR CARBON FILM 1/5WJ 22 OHM R133,134,143,144,233,234,243,244,333,334 16
R343,344,433,434,443,444
RES-00-00716 RESISTOR CARBON FILM 1/5WJ 47 OHM R43,44,45,46,53,54,55,56,136,146 16
R236,246,336,346,436,446
RES-00-00615 RESISTOR CARBON FILM 1/5WJ 120 OHM R150,250,350,450 4
RES-00-00756 RESISTOR CARBON FILM 1/5WJ 820 OHM R16 1
RES-00-00633 RESISTOR CARBON FILM 1/5WJ 1K OHM R31,42,52,92,107,127,128,131,135,141 38
R145,165,192,207,227,228,231,235,241,245
R265,292,307,331,335,341,345,365,407,431
R435,441,445,465,166,266,366,466
RES-00-00598 RESISTOR CARBON FILM 1/5WJ 1.5K OHM R151,251,351,451 4
RES-00-00644 RESISTOR CARBON FILM 1/5WJ 2.7K OHM R147,247,347,447 4
RES-00-00676 RESISTOR CARBON FILM 1/5WJ 3.9K OHM R12,137,237,337,437 5
RES-00-00702 RESISTOR CARBON FILM 1/5WJ 4.7K OHM R01,02,11 3
RES-00-00720 RESISTOR CARBON FILM 1/5WJ 5.6K OHM R132,142,232,242,332,342,432,442 8
RES-00-00751 RESISTOR CARBON FILM 1/5WJ 8.2K OHM R05 1
RES-00-00608 RESISTOR CARBON FILM 1/5WJ 10K OHM R13,14,61,122,222,322,422 7
RES-00-00623 RESISTOR CARBON FILM 1/5WJ 15K OHM R34,35,152,252,352,452 6
RES-00-00658 RESISTOR CARBON FILM 1/5WJ 22K OHM R32,91 2
RES-00-00663 RESISTOR CARBON FILM 1/5WJ 24K OHM R21,22 2
RES-00-00687 RESISTOR CARBON FILM 1/5WJ 33K OHM R33 1
RES-00-00714 RESISTOR CARBON FILM 1/5WJ 47K OHM R90 1
RES-00-00730 RESISTOR CARBON FILM 1/5WJ 56K OHM R04,181,281,381,481 5
RES-00-00742 RESISTOR CARBON FILM 1/5WJ 68K OHM R25 1
RES-00-00604 RESISTOR CARBON FILM 1/5WJ 100K OHM R129,229 2
RES-00-00706 RESISTOR CARBON FILM 1/5WJ 430K OHM R63 1
RES-00-00664 RESISTOR CARBON FILM 1/5WJ 270K OHM R123,124,223,224,323,324,423,424 8
RES-00-00053 RESISTOR METAL FILM 1/2WJ 4.7 OHM R161,261,361,461 4
RES-00-00018 RESISTOR METAL FILM 1/2WJ 10 OHM R03 1
RES-00-00038 RESISTOR METAL FILM 1/2WJ 220 OHM R41,51 2
ELC-00-00223 CAPACITOR ELECTROLYTIC "SMS" 2.2/50V C131,141,220,231,241,331,341,420,431,441 10
ELC-00-00229 CAPACITOR ELECTROLYTIC "SMS" 4.7/50V C57,67 2
ELC-00-00195 CAPACITOR ELECTROLYTIC "SMS" 10/16V C800 1
ELC-00-00203 CAPACITOR ELECTROLYTIC "SMS" 10/25V C15 1
ELC-00-00198 CAPACITOR ELECTROLYTIC "SMS" 47/16V C14 1
ELC-00-00205 CAPACITOR ELECTROLYTIC "SMS" 47/25V C16 1
ELC-00-00199 CAPACITOR ELECTROLYTIC "SMS" 100/16V C11,12,13,181,271,471 6
ELC-00-00200 CAPACITOR ELECTROLYTIC "SMS" 220/16V C191,291 2
ELC-00-00201 CAPACITOR ELECTROLYTIC "SMS" 330/16V C192,292 2
GTO 75.4/75.4II
16
MYC-00-00020 CAPACITOR MYLAR 5% 100V 102(M) J C21 1
MYC-00-00031 CAPACITOR MYLAR 5% 100V 222(M) J C08 1
MYC-00-00038 CAPACITOR MYLAR 5% 100V 473(M) J C240,440 2
MYC-00-00094 CAPACITOR MYLAR 5% 100V 104(M) J C161,261,361,461 4
MYC-00-00090 CAPACITOR MYLAR 5% 63V "TL" 473(M) J C140,340 2
MYC-00-00085 CAPACITOR MYLAR 5% 63V "TL" 105(M) J C01,31,34 3
CEC-00-00077 CAPACITOR CERAMIC DISK 50V "NPO" 10P F C104,204,304,404 4
CEC-00-00090 CAPACITOR CERAMIC DISK 50V "NPO" 22P F C105,106,126,205,206,226,305,306,405,406 10
CEC-00-00108 CAPACITOR CERAMIC DISK 50V "NPO" 68P F C121,221,321,421 4
CEC-00-00073 CAPACITOR CERAMIC DISK 50V "NPO" 100P F C132,142,151,232,242,251,332,342,351,432 12
C442,451
CEC-00-00074 CAPACITOR CERAMIC DISK 50V 102P F C101,201,301,401 4
CEC-00-00102 CAPACITOR CERAMIC DISK 50V 473P F C32,33,53,63 4
CEC-00-00076 CAPACITOR CERAMIC DISK 50V 104P F C03,22,60,200,210,400,410 7
JUP-00-00043 JUMPER 0OHM JUMPER 6m/m J33,52,53,54,55,116,130,139,140,141 34
J142,143,145,146,152,153,155,156,170,200
J203,204,211,212,214,216,217,218,219,225
J229,230,231,300
JUP-00-00044 JUMPER 0OHM JUMPER 7.5m/m J01,02,03,04,25,26,27,28,29,30 31
J31,32,40,41,42,43,79,80,129,144
J150,151,154,165,172,201,220,222,322,323
J331
JUP-00-00045 JUMPER 0OHM JUMPER 10m/m J21,22,23,24,34,35,36,37,38,39 32
J56,57,58,64,65,132,147,148,149,208
J209,210,215,221,223,224,226,227,332,333
J334,335
JUP-00-00052 JUMPER 0OHM JUMPER 11m/m J126,127,167,168,205 5
JUP-00-00046 JUMPER 0OHM JUMPER 12.5m/m J44,45,46,47,48,49,50,71,72,81 27
J82,89,90,91,92,93,94,109,110,112
J113,114,115,138,228,336,337
JUP-00-00047 JUMPER 0OHM JUMPER 15m/m J51,60,61,73,74,75,76,83,117,157 14
J159,213,311,321
JUP-00-00048 JUMPER 0OHM JUMPER 17.5m/m J05,06,07,08,09,10,11,12,13,14 23
J15,16,17,18,19,20,62,63,107,108
J131,160,169
JUP-00-00066 JUMPER 0OHM JUMPER 18m/m J78,84,85,86,87,88,99,100,101,102 10
JUP-00-00074 JUMPER 0OHM JUMPER 19m/m J120,179 2
JUP-00-00049 JUMPER 0OHM JUMPER 20m/m J77,97,98,103,104,111,118,166,202,206 14
J207,310,320,330
JUP-00-00075 JUMPER 0OHM JUMPER 22m/m J66,67,68,69,119,121,122,123,124,125 28
J128,133,134,135,136,137,158,161,162,163
J164,171,173,174,175,176,177,178
JUP-00-00076 JUMPER 0OHM JUMPER 23m/m J70 1
JUP-00-00042 JUMPER 0OHM JUMPER 25m/m J59 1
ICO-00-00022 I.C P.W.M TL494CN U01 1
ICO-00-00112 I.C DUAL OP AMP "SIP-08P" NJM2068LD U101,110,111,301,310 5
FET-00-00023 F.E.T N-CH MOSFET FQP50N06 Q43,44,45,46,53,54,55,56 8
TRS-00-00188 TRANSISTOR AUDIO POWER NPN TIP35C Q135,235,335,435 4
TRS-00-00207 TRANSISTOR AUDIO POWER PNP TIP36C Q145,245,345,445 4
TRS-00-00111 TRANSISTOR SMALL SIGNAL NPN KTC3200GR Q140,240,340,440 4
DIO-00-00152 DIODE FAST RECOVERY YG225D2 D41,42 2
DIO-00-00048 DIODE RECTIFIER 1N5404 D01 1
DIO-00-00206 DIODE ZENER 1W 15V 1N4744A D191,291 2
ELC-00-00249 CAPACITOR ELECTROLYTIC "SRE" 2.2/50V C120,320 2
ELC-00-00250 CAPACITOR ELECTROLYTIC "SRE" 4.7/50V C128,228 2
ELC-00-00641 CAPACITOR ELECTROLYTIC "SRE" 22/16V C102,103,123,124,202,203,223,224,302,303 16
C323,324,402,403,423,424
ELC-00-00243 CAPACITOR ELECTROLYTIC "SRE" 100/16V C171,371 2
GTO 75.4/75.4II
17
RES-00-01046 RESISTOR MOR/S 2WJ (15m/m FORMING) 100 OHM R30 1
RES-00-01264 RESISTOR MOR/S 2WJ (15m/m FORMING) 150 OHM R291 1
RES-00-01265 RESISTOR MOR/S 2WJ (17.5m/m FORMING150 OHM R191 1
RES-00-01041 RESISTOR MOR/S 2WJ (15m/m FORMING) 680 OHM R162,262,362,462 4
RES-00-00895 RESISTOR WIRE WOUND 3WJ(FORMING 20m/m0.1 OHM R160,170,260,270,360,370,460,470 8
THS-00-00013 THERMISTOR NTC RESISTOR FTD5-350 TH01 1
ELC-00-00234 CAPACITOR ELECTROLYTIC "SMS" 470/50V (12.5x20m/m) C51,61 2
DIO-00-00278 LED RED COLOR HNRD-3401L LED01 1
DIO-00-00303 LED BLUE COLOR TOL-30aSBaCAa-B2 LED02 1
ELC-00-00727 CAPACITOR ELECTROLYTIC "WL" 2200/25V (16x25m/m) C04,05,06 3
ELC-00-00714 CAPACITOR ELECTROLYTIC "HC" 4700/50V (25x30m/m) C52,62 2
COR-TF-00386 CORE 4(0.7x15):11(0.7x4):8(0.7x1):8(0.7x1) 44PHI MAGNETICS T01 1
COI-00-00093 INDUCTOR DRUM COIL CL-510 L01,02 2
COI-00-00028 INDUCTOR BAR COIL CL-310 L03 1
SWI-00-00024 SWITCH SLIDE SWITCH JSS-2219 SW102,302 2
JAC-00-00043 RCA JACK GOLD PLATED DJB-554A RCA101 1
JAC-00-00042 RCA JACK GOLD PLATED DJB-562D RCA301 1
TER-00-00241 TERMINAL GOLD PLATED DST0013-00 (3P) TER01 1
TER-00-00251 TERMINAL GOLD PLATED 2! 8P ST-11A-2-8P TER02 1
JUP-00-00005 JUMPER METAL JUMPER 55m/m BJ01,02,03,07 4
JUP-00-00003 JUMPER METAL JUMPER 35m/m BJ04,05,06 3
HOD-00-00011 FUSE HOLDER WF-9604 FH01 1
CON-00-00128 WAFER LAD1140-04PBK HI101,301 2
WIR-00-00208 WIRE ASS'Y 300m/m CHD1140-04PBK ACCESSORY 2
WIR-00-00015 WIRE AWG #22 BK 3.2PHI RING LUG 60m/m W1,2 2
HED-00-00115 HEADER PIN SOCKET TM2501-DG-14P 14P CON101-1,301-1 2
TUB-00-00008 TEFLON TUBE 0.7PHI 10m/m TH01,Q140,240,340,440 6
TUB-00-00009 TEFLON TUBE 0.7PHI 15m/m LED02 2
TUB-00-00006 TEFLON TUBE 0.7PHI 20m/m LED01 2
FUS-AT-00006 AUTO FUSE 30A SET2+ACCESSORY2 4
PCB-00-01355 P.C.B FR-4 DOUBLE LAYER, 1Oz BROWN PAS319-01 148x92m/m 1
ICO-00-00113 I.C DUAL OP AMP "SOP-08" NJM2068M U102,103,104,105,302,303,304,305,306,307 10
RES-08-00239 RESISTOR SMD 0805 1/8WF 9.31K OHM R257,457 2
RES-08-00022 RESISTOR SMD 0805 1/8WF 15K OHM R155,255,355,455 4
RES-08-00088 RESISTOR SMD 0805 1/8WF 47K OHM R256,456 2
RES-08-00117 RESISTOR SMD 0805 1/8WF 91K OHM R156,356 2
RES-08-00225 RESISTOR SMD 0805 1/8WJ 820 OHM R108,208,308,408 4
RES-08-00148 RESISTOR SMD 0805 1/8WJ 1K OHM R391,392,491,492 4
RES-08-00201 RESISTOR SMD 0805 1/8WJ 5.6K OHM R113,115,213,215,313,315,413,415 8
RES-08-00210 RESISTOR SMD 0805 1/8WJ 6.8K OHM R396,496 2
RES-08-00132 RESISTOR SMD 0805 1/8WJ 10K OHM R110,111,112,114,210,211,212,214,310,311 16
R312,314,410,411,412,414
RES-08-00187 RESISTOR SMD 0805 1/8WJ 39K OHM R393,493 2
RES-08-00141 RESISTOR SMD 0805 1/8WJ 150K OHM R397,497 2
CEC-08-00009 CAPACITOR SMD 0805 12pF C156,356 2
CEC-08-00017 CAPACITOR SMD 0805 20pF C256,456 2
CEC-08-00042 CAPACITOR SMD 0805 47pF C111,211,311,393,411,493 6
CEC-08-00040 CAPACITOR SMD 0805 473pF C195,196,295,296,395,396,495,496 8
MYC-00-00157 CAPACITOR MYLAR 5% 63V "TL" 823J C113,115,213,215,313,315,413,415 8
MYC-00-00083 CAPACITOR MYLAR 5% 63V "TL" 104J C391,392,491,492 4
ELC-00-00241 CAPACITOR ELECTROLYTIC"SRE" 10/16V C125,155,225,255,325,355,425,455 8
SWI-00-00112 SWITCH SLIDE SWITCH JSS2301S120 SW101,301 2
VOL-00-00337 VOLUME V123H CO 20RS B20K (10%) 20KBx2 VR101,301,303 3
VOL-00-00338 VOLUME V124H CO 20RS C50K (10%) 50KCx4 VR102,302 2
HED-00-00245 PIN CONNECTOR TM2008-D81G-14P 14P CON101,301 2
GTO 75.4/75.4II
18
GTO 75.4 Version II Electrical Parts List Addendum
The following chart below represents the only electrical parts differences in Version I and II models: MODEL PART NAME PART NO SPEC DESIGNATOR
GTO 75.4 RESISTOR RES-00-00437 1/5WF 1K OHM R120,220,320,420 1 GTO 75.4II RESISTOR RES-00-00545 1/5WF 5.6K OHM R120,220,320,420
GTO 75.4 RESISTOR RES-00-00417 1/5WF 13.7K OHM R171,271,371,471 2 GTO 75.4II RESISTOR RES-00-00508 1/5WF 33K OHM R171,271,371,471
GTO 75.4 RESISTOR RES-08-00225 SMD 0805 1/8WJ 820 OHM
R108,208,308,408
3 GTO 75.4II RESISTOR RES-08-00242 SMD 0805 1/8WF 240 OHM
R108,208,308,408
GTO 75.4 RESISTOR RES-08-00022 SMD 0805 1/8WF 15K OHM
R155,255,355,455
4 GTO 75.4II RESISTOR RES-08-00116 SMD 0805 1/8WF 9.1K OHM
R155,255,355,455
GTO 75.4 RESISTOR RES-08-00239 SMD 0805 1/8WF 9.31KOHM
R257,457
5 GTO 75.4II RESISTOR RES-08-00200 SMD 0805 1/8WJ 5.1K OHM
R257,457
GTO 75.4 CAPACITOR CEC-08-00009 SMD 0805 12PF C156,356 6 GTO 75.4II CAPACITOR CEC-08-00023 SMD 0805 22PF C156,356
GTO 75.4 CAPACITOR CEC-08-00017 SMD 0805 20PF C256,456 7 GTO 75.4II CAPACITOR CEC-08-00037 SMD 0805 39PF C256,456
GTO 75.4 POWER TERMINAL TER-00-00241 (3P) DST0013-00 TER01 8
GTO 75.4II POWER TERMINAL TER-00-00277 (3P) DK-03B03-AG-1-DN TER01
GTO 75.4 SPEAKER TERMINAL TER-00-00251 (8P) ST-11A-2-8P TER02 9
GTO 75.4II SPEAKER TERMINAL TER-00-00273 (8P) DK-0802-AG-1-DN TER02
GTO 75.4/75.4II
19
GTO 75.4/75.4II
20
GTO 75.4/75.4II
21
GTO 75.4/75.4II
22
71 2 3 4 5 6 8
A
B
C
D
E
HI-INPUT
HI101
LAD1140-04PBK
R105
47KF
C128
4.7/50V"SRE"
R241
1K
C241
2.2/50V
R231
1K
C231
2.2/50V
R142
5.6K
R141
1K
C141
2.2/50V
R132
5.6K
RCA101-A
DJB-554A
R122
10K
C211
47P
U111-A
1
3
2
NJM2068LD
+
-
VR101-A
20KB
R110
10K
U102-B
NJM2068M
75
6
4
R222
10K
U102-A8
3
21
NJM2068M
U105-B
7
6
5
NJM2068M
-
+
R115
5.6K
PROT
C228
4.7/50V"SRE"
U103-B
7
6
5
NJM2068M
-
+
R256 47KF
C132
100P
R257
9.31KF
R255
15KF
R126
10KF
C256
20P
C155
10/16V
U104-B
7
6
5
NJM2068M
-
+
VR101-B
20KB
R108
820
R123
270K
C113
823M"TL"
R21410K
VEE2
R2135.6K
R156 91KF
C15612P
R155
15KF
R206
47KF
C255
10/16V
C215
823M"TL"
R205
47KF
R131
1K
C131
2.2/50V
C102
22/16V"SRE"
U111-B
7
5
6
NJM2068LD
+
-
R225
10KF
R228
1KRCA101-D
DJB-554A
VEE1
R229
100K
RCA101-B
DJB-554A
C101
102P
R127
1K
U101-B
7
6
5
NJM2068LD
-
+
R129
100K
RCA101-C
DJB-554A
R203
47KF
C204
10P
R201
22KF
R202
47KF
C203
22/16V"SREz"
C202
22/16V"SRE"
C181
100/16V
R281
56K
R227
1K
C120
2.2\50V"SRE"
R112
10K
R208
820C201
102P
C123
22/16V"SRE"
C124
22/16V"SRE"
R207
1K
R21110K
R128
1K
VEE1
VCC1
VCC1
C232
100P
TER02-A
ST-11A-2-8P
C224
22/16V"SRE"
R120
1KF
VR102A
50KC
C223
22/16V"SRE"
C121
68P
C220
2.2\50V
R107
1K
R106
47KF
R226
10KF
C221
68P
R124
270K
R221
22KF
VR102C
50KC
R121
22KF
R220
1KF
R247
2.7K
R224
270K
U101-A
1
2
3
NJM2068LD
-
+
R11110K
VR102D
50KC
C115
823M"TL"
R113
5.6K
R114
10K
R245
1K
R243
22
R244
22
R233
22
SW101-A
JSS2301S120
C111
47P
VR102B
50KC
SW101-B
JSS2301S120
R212
10K
C213
823M"TL"
VCC2
R242
5.6K
Q281
C3198GR
U104-A
1
2
3
NJM2068M
-
+
Q181
C3198GRR181
56K
Q151
C3200GR
C151
100PD151
1SS133
R152
15K
C161
104(M)
R161
4.7/0.5W
R151
1.5K
R171
13.7KF
C171
100/16V"SRE"
R172
1KF
C291
220/16V
D291
1N4744(15V)
R291
150/2W
R160
0.1/3W
Q135
TIP35C
Q145
TIP36C
Q144
A1023Y
Q134
C1027Y
R150
120
R136
47
R146
47
Q143
C3198GR
R137
3.9K
Q140
C3200GR
Q133
A1266GR
D191
1N4744(15V)
C191
220/16VR191
150/2W
R135
1K
R134
22
R133
22
R144
22
R143
22
R145
1K
U103-A
1
2
3
NJM2068M
-
+
R215
5.6K
U105-A
1
2
3
NJM2068M
-
+
R210
10K
R125
10KF
R147
2.7K
R223
270K
Q141
A1266GR
Q142
A1266GR
Q132
C3198GR
Q131
C3198GR
R262
680/2W
R162
680/2W
R170
0.1/3W
C242
100P
C142
100P
R234
22
R235
1K
Q231
C3198GR
Q232
C3198GR
Q242
A1266GR
Q241
A1266GR
Q233
A1266GR
Q240
C3200GR
R237
3.9K
Q243
C3198GR
R246
47
R236
47
R250
120
Q234
C1027Y
Q244
A1023Y
Q245
TIP36C
Q235
TIP35C
C206
22P
C271
100/16V
R272
1KF
R271
13.7KF
R251
1.5K
R261
4.7/0.5W
C261
104(M)
R252
15K
R232
5.6K
D251
1SS133C251
100P
Q251
C3200GR
C240
473(M)
C140
473(M)"TL"
C192
330/16V
C292
330/16V
C400
104P
C200
104P
R103
47KF
C104
10P
R101
22KF
R102
47KF
C103
22/16V"SRE"
FRONT-R
REAR-R
U110-A
1
3
2
NJM2068LD
+
-
R166
1K
R165
1K
FRONT-R
FRONT-L
R266
1K
U110-B
7
6
5
NJM2068LD
-
+
R265
1K
REAR-L
FRONT-L
C205
22P
C106
22P
C105
22P
C126
22P
C226
22P
R270
0.1/3W
C225
10/16V"SRE"
C125
10/16V"SRE"
R2600.1/3W
SW102
JSS2219
LED02
TOL-30aSBaCAa-B2
R192
1K
R292
1K
C410
104P
C210
104P
C195
473P
C196
473P
C296
473P
C295
473P
-1.47V1.478V
-12.80V
12.95V
37.6V38.1V
0.759V
0.238V
-0.607V
-0.607V
-0.632V
0.568V
0.546V
0.546V
-37.6V
0V
-0.324V
-0.987V
-38.1V
-0.483V
0V
0V
37.6V
38.1V
0.759V
0.238V
0V
-0.483V
-0.324V
0V
-0.987V
-38.1V
-37.6V
0V
-0.607V
-0.607V
0.568V
0.546V
0.546V
2
2
2
2
1
1
-15V
+15V
38.6V
-38.6V
38.6V
-38.6V
38.6V
-15V -27.7V
-15V
15V 27.7V
*NJM2068LD*
+15V
-15V
+15V
STEREO
MONO
L-OUT
LOW INPUT L-CH
LOW INPUT R-CH
R-OUT
-15V
FLAT
FLAT
HPF
HPF
LPF
LPF
A
F/LOUT
F/ROUT
+
-
-
+
32-320Hz VARIABLE X-OVER
#8PIN : +15V
#4PIN : -15V
GTO 75.4 Page1 Schematic
23
71 2 3 4 5 6 8
A
B
C
D
E
C800
10/16V
C06
2200/25"WL"
R54
47
R44
47
Q55
FQP50N06
R01
4.7K
Q01
A1023Y
R02
4.7K
Q02
C3198GR
R05
8.2K
R04
56K
C05
2200/25"WL"
C03
104P
R35
15KC34
105(M)"TL"
C01
105(M)"TL"
C61
4700/50V"HC"
C51
470/50V"SMS"
D02
1N4004
R61
10K
TH01
50KTH
C67
4.7/50V
C57
4.7/50V
D52
FR154
D51
FR154
D53
FR154
C63
473P
D54
FR154
R11
4.7K
R12
3.9K
C11
100/16V
Q11
A1266GR
Q12
A1266GR
R25
68K
R13
10K
R14
10K C12
100/16V
D11
1SS133
R16
820
R31
1K
R32
22K
C15
10/25V
R33
33K
Q22
A1268GR
R34
15K
C16
47/25V
PROT
C33
473P
U01
TL494CN
R21
24K
C21
102(M)
R22
24K C13
100/16V
C14
47/16V
R03
10/0.5W
R41
220/0.5W
Q23
A1266GR
C04
2200/25"WL"
D04
1SS133
R60
10.5KF
R42
1K
R43
47
R53
47
R52
1K
D03
1SS133
Q33
A1266GRR51
220/0.5W
D01
1N5404
L03
CL-310FH01
30Ax2
R46
47
T01
4T:11T:8T:8T
Q54
FQP50N06
Q43
FQP50N06
Q21
C3198BL
D41
YG225D2
D42
YG225D2
C52
4700/50V"HC"
C62
470/50V"SMS"
C22
104P
R15
10
C08
222(M)
R30
100/2W
R45
47
C32
473P
W1
60m/m
C31
105(M)"TL"
C53
473P
Q53
FQP50N06
L01
CL-510
L02
CL-510
C60
104P
R62
4.7KF
VEE1
VCC1
VEE2
VCC2
R55
47
R56
47
Q56
FQP50N06
Q44
FQP50N06
Q46
FQP50N06
Q45
FQP50N06
R90
47K
R91
22K
LED01
HNRD-3401LR92
1K
Q90
C3198GR
R63
430K
W2
60m/m
14.4V13.62V13.56V
13.86V
4.45V0.695V
12.90V
5V
6.14V
5V
0V
5V
5V
0V
0V
38.5V
38.5V
0V
13V
14.4V
1
11
14.4V
-38.6V
38.6V
-27.7V
27.7V
(0.7x15):(0.7x4):(0.7x1):(0.7x1)
CASE GND CASE GND
16 15 14 13 12 11 10 9
87654321
B+
REM
GTO 75.4 Page2 Schematic
24
71 2 3 4 5 6 8
A
B
C
D
E
C461
104(M)
R461
4.7/0.5W
R342
5.6K
C441
2.2/50V
R332
5.6K
R420
1KF
R320
1KF
C411
47P
R310
10K
U305-B
7
6
5
NJM2068M
-
+
R315
5.6K
R481
56K
PROT
C320
2.2\50V"SRE"
SW301-B
JSS2301S120
U303-B
7
6
5
NJM2068M
-
+
U304-B
7
6
5
NJM2068M
-
+
C313
823M"TL"
R414
10K
SW301-A
JSS2301S120
R413
5.6K
TER02-B
ST-11A-2-8P
C415
823M"TL"
C321
68P
C420
2.2\50V
C421
68P
R421
22KF
R321
22KF
R447
2.7K
R445
1K
R443
22
R444
22
R433
22
VEE1
VEE1 R361
4.7/0.5W
R381
56K
Q351
C3200GR
C351
100PD351
1SS133
R352
15K
R351
1.5K
R371
13.7KF
C371
100/16V"SRE"
R372
1KF
R360
0.1/3W
Q335
TIP35C
Q345
TIP36C
Q344
A1023Y
Q334
C1027Y
R350
120
R336
47
R346
47
Q343
C3198GR
R337
3.9K
Q340
C3200GR
Q333
A1266GR
C331
2.2/50V
R335
1K
R334
22
R333
22
R312
10K
R344
22
R343
22
R345
1K
R347
2.7K
Q341
A1266GR
Q342
A1266GR
Q332
C3198GR
Q331
C3198GR
C442
100P
C342
100P
R434
22
R435
1K
Q431
C3198GR
Q432
C3198GR
R370
0.1/3W
R442
5.6K
A
Q442
A1266GR
Q441
A1266GR
Q433
A1266GR
C432
100P
Q440
C3200GR
R437
3.9K
Q443
C3198GR
R446
47
C340
473(M)"TL"
R331
1K
C440
473(M)
R462
680/2W
R362
680/2W
R451
1.5K
R471
13.7KF
VCC1
R472
1KF
C471
100/16V
C493
47P
Q435
TIP35C
Q445
TIP36C
Q444
A1023Y
Q434
C1027Y
C341
2.2/50V
C492
104(M)"TL"
R441
1K
R450
120
U307-B
7
5
6
NJM2068M
+
-
Q451
C3200GR
R341
1K
R436
47
C325
10/16V"SRE"
VCC1R431
1K
R496
6.8K
C431
2.2/50V
C305
22P
R493
39K
C451
100P
R497
150K
D451
1SS133
C361
104(M)
R452
15K
VR303-A
20KB
C332
100P
R432
5.6K
C306
22P
R492
1K
R4911K
R41110K
C405
22P
VR302A
50KC
C393
47P
R465
1K
C392
104(M)"TL"
U310-B
7
6
5
NJM2068LD
-
+
U306-B
7
5
6
NJM2068M
+
-
R396
6.8K
R393
39K
R466
1K
REAR-L
VR302C
50KC
REAR-R
R365
1K
R397
150K
R366
1K
U310-A
1
3
2
NJM2068LD
+
-
C303
22/16V"SRE"
R302
47KF
R301
22KF
VR303-B
20KB
C304
10P
R303
47KF
C406
22P
R31110K
VR302D
50KC
R423
270K
U301-A
1
2
3
NJM2068LD
-
+
R424
270K
R324
270K
R470
0.1/3W
R392
1K
R306
47KF
R307
1K
C315
823M"TL"
C423
22/16V"SRE"
R3911K
R313
5.6K
R314
10K
C311
47P
C424
22/16V"SRE"
VR302B
50KC
C491
104(M)"TL"
R412
10K
U307-A
1
3
2
NJM2068M
+
-
U306-A
1
3
2
NJM2068M
+
-
C413
823M"RL"
U304-A
1
2
3
NJM2068M
-
+
R407
1K U303-A
1
2
3
NJM2068M
-
+
R415
5.6K
C324
22/16V"SRE"
U305-A
1
2
3
NJM2068M
-
+
C323
22/16V"SRE"
R410
10K
C391
104(M)"TL"
R460
0.1/3W
C401
102P
R408
820
C402
22/16V"SRE"
C403
22/16V"SRE"
R402
47KF
R401
22KF
C404
10P
R403
47KF U301-B
7
6
5
NJM2068LD
-
+
C301
102P
RCA101-B
DJB-562
C302
22/16V"SRE"
R405
47KF
C455
10/16V
R406
47KF
R355
15KF
C356 12P
R356 91KF
R323
270K
R308
820
VR301-B
20KB
C355
10/16V
C456
20P
R455
15KFR457
9.31KF
R456 47KF
U302-A8
3
21
NJM2068M
R422
10K
U302-B
NJM2068M
75
6
4
VR301-A
20KB
R322
10K
RCA301-A
DJB-562
R305
47KF
HI-INPUT
HI301
LAD1140-04PBK
C425
10/16V"SRE"
SW302
JSS2219
C495
473P
C496
473P
C396
473P
C395
473P
-12.8V
12.95V37.6V
38.1V
0.759V
-0.607V
-0.607V
0.568V
0.546V
0.546V
0.238V
0V
0V
-0.483V
-0.987V
-38.1V
-37.6V
12.95V
-12.80V
37.6V
38.1V
0.759V
0.238V
0V
0V
-0.607V
-0.607V
0.568V
0.546V
0.546V
-37.6V
-38.1V
-0.987V
0V
-0.324V
-0.483V
2
2
2
2
1
1
-15V
+15V
-15V
-38.6V
38.6V
-38.6V
38.6V
38.6V
+15V
*NJM2068LD*
+15V
-15V
+15V
STEREO
MONO
LOW INPUT L-CH
LOW INPUT R-CH
-15V
FLAT
FLAT
HPF
HPF
LPF
LPF
R/LOUT
R/ROUT
+
-
-
+
50Hz 0~12dB BASSBOOST32-320Hz VARIABLE X-OVER
#8PIN : +15V
#4PIN : -15V
GTO 75.4 Page3 Schematic
25
C800
10/16V
C06
2200/25"WL"
R54
47
R44
47
Q55
FQP50N06
R01
4.7K
Q01
A1023Y
R024.7K
Q02C3198GR
R05
8.2K
R04
56K
C052200/25"WL"
C03
104P
R35
15KC34
105(M)"TL"
C01
105(M)"TL"
C61
4700/50V"HC"
C51
470/50V"SMS"
D02
1N4004
R61
10K
TH01
50KTH
C67
4.7/50V
C574.7/50V
D52
FR154
D51
FR154
D53
FR154
C63
473P
D54
FR154
R11
4.7K
R12
3.9K
C11
100/16V
Q11
A1266GR
Q12
A1266GR
R25
68K
R1310K
R14
10K C12
100/16V
D11
1SS133
R16
820
R311K
R32
22K
C15
10/25V
R33
33K
Q22A1268GR
R3415K
C16
47/25V
PROT
C33
473P
U01
TL494CN
R21
24K
C21
102(M)
R22
24K C13
100/16V
C1447/16V
R03
10/0.5W
R41
220/0.5W
Q23
A1266GR
C04
2200/25"WL"
D04
1SS133
R60
10.5KF
R42
1K
R43
47
R53
47
R52
1K
D031SS133
Q33
A1266GRR51
220/0.5W
D01
1N5404
L03
CL-310FH01
30Ax2
R46
47
T01
4T:11T:8T:8T
Q54
FQP50N06
Q43
FQP50N06
Q21
C3198BL
D41
YG225D2
D42
YG225D2
C524700/50V"HC"
C62
470/50V"SMS"
C22104P
R1510
C08
222(M)
R30100/2W
R45
47
C32
473P
W1
60m/m
C31
105(M)"TL"
C53
473P
Q53
FQP50N06
L01CL-510
L02CL-510
C60
104P
R62
4.7KF
VEE1
VCC1
VEE2
VCC2
R55
47
R56
47
Q56
FQP50N06
Q44
FQP50N06
Q46
FQP50N06
Q45
FQP50N06
R90
47K
R91
22K
LED01
HNRD-3401LR92
1K
Q90
C3198GR
R63
430K
W2
60m/m
1
1
11
B
GTO75.4II 2004.02.28
2004.02.28
2004.02.28
2004.02.26"RX"->"WL" C04,05,06CL 1-40031A
CLS-AP-3038
07
31
JBL
DIGITAL CO.LTD
CHUNG LAM
(0.7x15):(0.7x4):(0.7x1):(0.7x1)
CASE GND CASE GND
16 15 14 13 12 11 10 9
87654321
12VB+
REM
GTO 75.4II
GTO 75.4II Page1 Schematic
26
HI-INPUT
HI101
LAD1140-04PBK
R105
47KF
C128
4.7/50V"SRE"
R241
1K
C241
2.2/50V
R231
1K
C2312.2/50V
R1425.6K
R141
1K
C141
2.2/50V
R132
5.6K
RCA101-A
DJB-554A
R122
10K
C211
47P
U111-A
1
3
2
NJM2068LD
+
-
VR101-A
20KB
R110
10K
U102-B
NJM2068M
75
6
4
R222
10K
U102-A8
3
21
NJM2068M
U105-B
7
6
5
NJM2068M
-
+
R115
5.6K
PROT
C228
4.7/50V"SRE"
U103-B
7
6
5
NJM2068M
-
+
R256 47KF
C132
100P
R257
5.1K
R255
9.1KF
R126
10KF
C256
39P
C155
10/16V
U104-B
7
6
5
NJM2068M
-
+
VR101-B
20KB
R108
240F
R123
270K
C113
823M"TL"
R21410K
VEE2
R2135.6K
R156 91KF
C15622P
R155
9.1KF
R206
47KF
C25510/16V
C215
823M"TL"
R205
47KF
R131
1K
C1312.2/50V
C102
22/16V"SRE"
U111-B
7
5
6
NJM2068LD
+
-
R225
10KF
R228
1KRCA101-D
DJB-554A
VEE1
R229
100K
RCA101-B
DJB-554A
C101
10/16V"SRE"
R127
1K
U101-B
7
6
5
NJM2068LD
-
+
R129
100K
RCA101-C
DJB-554A
R203
47KF
C204
10P
R201
22KF
R202
47KF
C203
22/16V"SREz"
C202
22/16V"SRE"
C181
100/16V
R28156K
R227
1K
C1202.2\50V"SRE"
R112
10K
R208240F
C123
22/16V"SRE"
C124
22/16V"SRE"
R207
1K
R21110K
R128
1K
VEE1
VCC1
VCC1
C232
100P
TER02-A
ST-11A-2-8P
C224
22/16V"SRE"
R120
5.6KF
VR102A
50KC
C223
22/16V"SRE"
C121
68P
C220
2.2\50V
R107
1K
R106
47KF
R226
10KF
C221
68P
R124
270K
R221
22KF
VR102C
50KC
R121
22KF
R2205.6KF
R2472.7K
R224
270K
U101-A
1
2
3
NJM2068LD
-
+
R11110K
VR102D
50KC
C115
823M"TL"
R113
5.6K
R114
10K
R245
1K
R243
22
R244
22
R233
22
SW101-A
JSS2301S120
C111
47P
VR102B
50KC
SW101-B
JSS2301S120
R212
10K
C213
823M"TL"
VCC2
R242
5.6K
Q281
C3198GR
U104-A
1
2
3
NJM2068M
-
+
Q181
C3198GRR181
56K
Q151
C3200GR
C151
100PD1511SS133
R152
15K
C161104(M)
R161
4.7/0.5W
R151
1.5K
R171
33KF
C171
100/16V"SRE"
R172
1KF
C291
220/16V
D291
1N4744(15V)
R291
150/2W
R160
0.1/3W
Q135
TIP35C
Q145
TIP36C
Q144
A1023Y
Q134
C1027Y
R150
120
R13647
R146
47
Q143
C3198GR
R137
3.9K
Q140
C3200GR
Q133A1266GR
D191
1N4744(15V)
C191
220/16VR191
150/2W
R135
1K
R134
22
R133
22
R144
22
R143
22
R1451K
U103-A
1
2
3
NJM2068M
-
+
R215
5.6K
U105-A
1
2
3
NJM2068M
-
+
R210
10K
R125
10KF
R147
2.7K
R223
270K
Q141
A1266GR
Q142
A1266GR
Q132
C3198GR
Q131
C3198GR
R262
680/2W
R162
680/2W
R170
0.1/3W
C242
100P
C142
100P
R234
22
R235
1K
Q231
C3198GR
Q232
C3198GR
Q242
A1266GR
Q241
A1266GR
Q233A1266GR
Q240
C3200GR
R2373.9K
Q243
C3198GR
R246
47
R236
47
R250
120
Q234
C1027Y
Q244
A1023Y
Q245
TIP36C
Q235
TIP35C
C206
22P
C271
100/16V
R272
1KF
R271
33KF
R251
1.5K
R261
4.7/0.5W
C261
104(M)
R252
15K
R232
5.6K
D251
1SS133C251100P
Q251
C3200GR
C240
473(M)
C140
473(M)"TL"
C192
330/16V
C292
330/16V
C400
104P
C200
104P
R103
47KF
C104
10P
R101
22KF
R102
47KF
C103
22/16V"SRE"
FRONT-R
REAR-R
U110-A
1
3
2
NJM2068LD
+
-
R166
1K
R165
1K
FRONT-R
FRONT-L
R266
1K
U110-B
7
6
5
NJM2068LD
-
+
R265
1K
REAR-L
FRONT-L
C205
22P
C106
22P
C105
22P
C126
22P
C226
22P
R270
0.1/3W
C225
10/16V"SRE"
C125
10/16V"SRE"
R2600.1/3W
SW102
JSS2219
LED02
TOL-30aSBaCAa-B2
R1921K
R292
1K
C410
104P
C210
104P
C195
473P
C196
473P
C296
473P
C295
473P
C201
10/16V"SRE"
2004.08.10C101,201 102P->10/16V"SRE"CL 1-40239A4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
1
1
1
E
GTO75.4II 2004.08.14
2004.08.14
2004.08.14
2004.06.14R257 9.31KF->5.1K/C156 12P->22P/C256 20P->39P
R108,208 820->240F / R155,255 15K->9.1KR120,220 1KF->5.6K / R171,271 13.7FK->33KF
CL 1-40182A
2004.02.26100K->270K R123,124,223,224CL 1-40061A
100->1K R166,266 2004.01.30CL 1-40027A
CLS-AP-3038
08
3
JBL
DIGITAL CO.LTD
CHUNG LAM
2
+15V
-15V
+15V
STEREO
MONO
L-OUT
LOW INPUT L-CH
LOW INPUT R-CH
R-OUT
-15V
+15V
-15V
-15V
-15V
+15V
FLAT
FLAT
HPF
HPF
LPF
LPF
A
F/LOUT
F/ROUT
+
-
-
+
32-320Hz VARIABLE X-OVER
GTO 75.4II
GTO 75.4II Page2 Schematic
27
C461104(M)
R461
4.7/0.5W
R342
5.6K
C441
2.2/50V
R332
5.6K
R420
5.6KF
R320
5.6KF
C411
47P
R310
10K
U305-B
7
6
5
NJM2068M
-
+
R315
5.6K
R481
56K
PROT
C320
2.2\50V"SRE"
SW301-B
JSS2301S120
U303-B
7
6
5
NJM2068M
-
+
U304-B
7
6
5
NJM2068M
-
+
C313
823M"TL"
R414
10K
SW301-A
JSS2301S120
R413
5.6K
TER02-B
ST-11A-2-8P
C415
823M"TL"
C321
68P
C420
2.2\50V
C421
68P
R421
22KF
R321
22KF
R447
2.7K
R445
1K
R443
22
R444
22
R433
22
VEE1
VEE1 R361
4.7/0.5W
R381
56K
Q351
C3200GR
C351
100PD3511SS133
R352
15K
R351
1.5K
R371
33KF
C371
100/16V"SRE"
R372
1KF
R360
0.1/3W
Q335TIP35C
Q345
TIP36C
Q344
A1023Y
Q334
C1027Y
R350120
R33647
R346
47
Q343
C3198GR
R337
3.9K
Q340C3200GR
Q333A1266GR
C3312.2/50V
R335
1K
R334
22
R333
22
R312
10K
R344
22
R343
22
R345
1K
R347
2.7K
C401
10/16V"SRE"
Q341
A1266GR
Q342
A1266GR
Q332
C3198GR
Q331C3198GR
C442
100P
C342
100P
R434
22
R435
1K
Q431
C3198GR
Q432C3198GR
R370
0.1/3W
R442
5.6K
A
Q442
A1266GR
Q441
A1266GR
Q433
A1266GR
C432
100P
Q440
C3200GR
R4373.9K
Q443
C3198GR
R446
47
C340
473(M)"TL"
R331
1K
C440
473(M)
R462
680/2W
R362680/2W
R451
1.5K
R471
33KF
VCC1
R472
1KF
C471
100/16V
C493
47P
Q435
TIP35C
Q445
TIP36C
Q444
A1023Y
Q434
C1027Y
C341
2.2/50V
C492
104(M)"TL"R441
1K
R450
120
U307-B
7
5
6
NJM2068M
+
-
Q451
C3200GR
R341
1K
R436
47
C325
10/16V"SRE"
VCC1R431
1K
R496
6.8K
C4312.2/50V
C305
22P
R493
39K
C451
100P
R497
150K
D451
1SS133
C361
104(M)
R452
15K
VR303-A20KB
C332
100P
R432
5.6K
C306
22P
R492
1K
R4911K
R41110K
C405
22P
VR302A
50KC
C393
47P
R465
1K
C392
104(M)"TL"
U310-B
7
6
5
NJM2068LD
-
+
U306-B
7
5
6
NJM2068M
+
-
R396
6.8K
R393
39K
R466
1K
REAR-L
VR302C
50KC
REAR-R
R365
1K
R397
150K
R366
1K
U310-A
1
3
2
NJM2068LD
+
-
C303
22/16V"SRE"
R302
47KF
R301
22KF
VR303-B20KB
C304
10P
R303
47KF
C406
22P
R31110K
VR302D
50KC
R423
270K
U301-A
1
2
3
NJM2068LD
-
+
R424
270K
R324
270K
R470
0.1/3W
R392
1K
R306
47KF
R307
1K
C315
823M"TL"
C423
22/16V"SRE"
R3911K
R313
5.6K
R314
10K
C311
47P
C424
22/16V"SRE"
VR302B
50KC
C491
104(M)"TL"
R412
10K
U307-A
1
3
2
NJM2068M
+
-
U306-A
1
3
2
NJM2068M
+
-
C413
823M"RL"
U304-A
1
2
3
NJM2068M
-
+
R407
1K U303-A
1
2
3
NJM2068M
-
+
R415
5.6K
C324
22/16V"SRE"
U305-A
1
2
3
NJM2068M
-
+
C323
22/16V"SRE"
R410
10K
C391
104(M)"TL"
R460
0.1/3W
R408240F
C402
22/16V"SRE"
C403
22/16V"SRE"
R402
47KF
R401
22KF
C404
10P
R403
47KF U301-B
7
6
5
NJM2068LD
-
+RCA101-B
DJB-562
C302
22/16V"SRE"
R405
47KF
C45510/16V
R406
47KF
R355
9.1KF
C356 22P
R356 91KF
R323
270K
R308
240F
VR301-B
20KB
C355
10/16V
C456
39P
R455
9.1KFR457
5.1K
R456 47KF
U302-A8
3
21
NJM2068M
R422
10K
U302-B
NJM2068M
75
6
4
VR301-A
20KB
R322
10K
RCA301-A
DJB-562
R305
47KF
HI-INPUT
HI301LAD1140-04PBK
C425
10/16V"SRE"
SW302
JSS2219
C495
473P
C496
473P
C396
473P
C395
473P
C301
10/16V"SRE"
2004.08.10C301,401 102P->10/16V"SRE"CL 1-40239A4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
1
1
1
E
GTO75.4II 2004.08.14
2004.08.14
2004.08.14
R457 9.31KF->5.1K/C356 12P->22P/C456 20P->39PR308,408 820->240F / R355,455 15K->9.1KR320,420 1KF->5.6K / R371,471 13.7FK->33KF
2004.06.14
ECN NO
CL 1-40182A
2004.02.26100K->270K R323,324,423,424CL 1-40061A
2004.01.30100->1K R366,466CL 1-40027A
CLS-AP-3038
09
33
JBL
DIGITAL CO.LTD
CHUNG LAM
+15V
-15V
+15V
STEREO
MONO
LOW INPUT L-CH
LOW INPUT R-CH
-15V
-15V
+15V
-15V
+15V
FLAT
FLAT
HPF
HPF
LPF
LPF
R/LOUT
R/ROUT
+
-
-
+
50Hz 0~12dB BASSBOOST32-320Hz VARIABLE X-OVER
GTO 75.4II
GTO 75.4II Page3 Schematic
28
Item Part Number Description Qty
BOX-36-146AA GTO 75.4 Gift box carton 1 1 BOX-36-146AC GTO 75.4II Gift box carton 1 2 INN-42-004A0 End Pads 2
MAN-00-0195A GTO 75.4 Owner’s manual (USA)
1
MAN-01-0195Z GTO 75.4II Owner’s manual (USA)
1
MAN-00-0196A GTO 75.4 Owner’s manual (Europe)
1 3
CAR-WA-004A Warranty Card 1 4 FUS-AT-00006 Fuse 30A 2 SC4-NP-40250 Mounting screw
STT1 PH 4X25 NI 4
BKT-14-523A0 Bracket lamp SK-5/BK 4 WIR-00-00208 Wire Ass’y
CHD1140-04P BK 2
5 Pair Pack carton 1
GTO 75.4/75.4II
29