ORDER NO. CRT2258 KEH-P4830R MULTI-CD CONTROL HIGH …hard-wired.ru/attachments/article/3173/Pioneer...
Transcript of ORDER NO. CRT2258 KEH-P4830R MULTI-CD CONTROL HIGH …hard-wired.ru/attachments/article/3173/Pioneer...
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998 K-ZZU. OCT. 1998 Printed in Japan
ORDER NO.
CRT2258
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER
KEH-P4830R X1M/EW
ServiceManual
CONTENTS1. SAFETY INFORMATION............................................22. EXPLODED VIEWS AND PARTS LIST ......................23. SCHEMATIC DIAGRAM.............................................84. PCB CONNECTION DIAGRAM................................205. ELECTRICAL PARTS LIST........................................306. ADJUSTMENT.........................................................36
7. GENERAL INFORMATION.......................................387.1 PARTS ................................................................38
7.1.1 IC ...............................................................387.1.2 DISPLAY ...................................................42
7.2DISASSEMBLY ...................................................437.3BLOCK DIAGRAM ..............................................44
8. OPERATIONS AND SPECIFICATIONS....................45
NOTE:
- See the separate manual CX-631(CRT1640) for the cassette mechanism description.
- The cassette mechanism assy employed in this model is one of 2L series.
- This service manual does not describe the CD test mode.For the operations in the CD test mode, refer to the CD player's Service Manual.
KEH-P4800R X1M/EW
KEH-P4830R/X1M/EW
2
KEH-P4830R,P4800R
1. SAFETY INFORMATIONThis service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repaircomplex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do soand refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST2.1 PACKING
2
13,14,15,16,17,18
19
17
6
8
5
4
9
10
11
12
3
3
KEH-P4830R,P4800R
1 Carton(P4830R) CHG3568Carton(P4800R) CHG3567
2 Contain Box(P4830R) CHL3568Contain Box(P4800R) CHL3567
3 Cord Assy CDE5796
4 Accessory Assy CEA19175 Screw CBA13046 Handle CNC53957 Bush CNV3930
* 8 Polyethylene Bag E36-615
9 Polyethylene Bag CEG-16210 Protector CHP210211 Protector CHP210112 Inner-box CHW175413 Owner’s Manual CRD2777
14 Owner’s Manual CRD277815 Owner’s Manual CRD277916 Installation Manual CRD2780
* 17 Passport CRY1013* 18 Warranty Card CRY1087
19 Case Assy CXB3520
NOTE:- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to ∇ mark on the product are used for disassembly.
- PACKING SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
- Owner's Manual, Installation ManualModel Part No. Language
KEH-P4830R/X1M/EW CRD2777 English,SpanishKEH-P4800R/X1M/EW CRD2778 German,French
CRD2779 Italian,DutchCRD2780 English,Spanish,German,
French,Italian,Dutch
4
KEH-P4830R,P4800R
2.2 EXTERIOR
5
KEH-P4830R,P4800R
1 Screw BSZ26P050FMC2 Screw BSZ30P050FMC3 Cord Assy CDE57964 Fuse(10A) CEK11365 Plug CKM1290
6 Case CNB23507 Screw BSZ30P050FMC8 Screw BSZ30P200FMC9 Holder CNC5704
10 Cushion CNM5210
11 Insulator CNM596312 Tuner Amp Unit See Contrast table(2)13 Screw BPZ26P080FMC14 Screw BSZ26P080FMC15 Screw BSZ26P160FMC
16 Cord CDE575017 FM/AM Tuner Unit CWE146618 Holder CNC655419 Pin Jack(CN301) CKB103520 Plug(CN603) CKM1288
21 Connector(CN701) CKS340822 Connector(CN602) CKS356823 Connector(CN601) CKS358124 Antenna Jack(CN402) CKX105625 Panel CNB2340
26 Holder CNC539927 Holder CNC684528 Holder CNC799629 Heat Sink CNR150530 Chassis Unit See Contrast table(2)
31 Screw ISS26P055FUC32 Holder Unit CXB268733 Detach Grille Assy See Contrast table(2)34 Screw BPZ20P060FMC35 Screw BPZ20P100FZK
36 Button See Contrast table(2)37 Button(1-6) CAC578538 Button See Contrast table(2)39 Button See Contrast table(2)40 Button See Contrast table(2)
41 Button(Eject) CAC579342 Button(Display) CAC578843 Button See Contrast table(2)44 Button See Contrast table(2)45 Spring CBH2103
46 Cover See Contrast table(2)47 Housing CNV552848 Keyboard Unit See Contrast table(2)49 LCD(LCD1901) See Contrast table(2)50 Connector(CN1901) CKS3580
51 Holder CNC798152 Spacer CNM504353 Sheet CNM594154 Lighting Conductor CNV552755 Connector CNV5531
56 Grille Unit See Contrast table(2)57 Button CAC483658 Spring CBH183459 Spring CBH183560 Spring CBH2182
61 Bracket CNC613562 Bracket CNC679163 Arm CNV469264 Arm CNV469365 Arm CNV4728
66 Panel Unit See Contrast table(2)67 Door See Contrast table(2)68 Spring CBH183869 Screw IMS20P030FZK70 Case Assy CXB3520
71 Cassette Mechanism ModuleEXK369572 IC(IC1902) SBX8035-H73 IC(IC302) TDA738474 Transistor(Q904) 2SD2396
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
Part No.Mark No. Description KEH-P4830R/X1M/EW KEH-P4800R/X1M/EW
12 Tuner Amp Unit CWM6246 CWM624530 Chassis Unit CXB3015 CXB301433 Detach Grille Assy CXB3320 CXB331936 Button(Detach) CAC5929 CAC578938 Button(-) CAC5931 CAC5930
39 Button(EQ) CAC6136 CAC613540 Button(+) CAC5797 CAC578343 Button(Cross) CAC5799 CAC578644 Button(A,B) CAC5801 CAC578746 Cover CNS5131 CNS5130
48 Keyboard Unit CWM6257 CWM611049 LCD(LCD1901) CAW1542 CAW150656 Grille Unit CXB4063 CXB406266 Panel Unit CXB3022 CXB302167 Door CAT1835 CAT2028
6
KEH-P4830R,P4800R
2.3 CASSETTE MECHANISM MODULE
(2)CONTRAST TABLE KEH-P4830R/X1M/EW and KEH-P4800R/X1M/EW have the same construction except for the following:
7
KEH-P4830R,P4800R
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BSZ20P040FMC2 Washer CBF10373 Washer CBF10384 Washer CBG10035 Deck Unit EWM1021
6 Screw EBA10287 Screw EBA10378 Spring EBH15319 Spring EBH1575
10 Plug(CN251) CKS3540
11 Spring EBH151512 Spring EBH158713 Spring EBH151714 Spring EBH151815 •••••
16 Spring EBH153717 Cord EDD102018 Photo-interrupter(EGN2,3) EGN100619 Photo-interrupter(EGN1) EGN100520 Roller ENR1031
21 Shaft ELA137322 Pinch Roller ENV151823 Arm ENC148924 Arm ENC139725 Guide ENC1481
26 Holder ENC141727 Lever ENC144828 Arm ENC1488
* 29 Motor EXM103130 Belt ENT1027
31 Gear ENV134732 Collar ENV150833 Gear ENV135034 Flywheel ENV150035 Worm Gear ENV1439
36 Worm Wheel ENV144037 Gear ENR102838 Lever ENV144239 •••••40 Gathering PCB ENX1037
41 Gathering PCB ENX104242 Switch(S1) ESG100443 Motor Unit(M2) EXA148544 Chassis Unit EXA151145 Pinch Holder ENV1485
46 Pinch Holder ENV148647 Reel Unit EXA154348 Head Base Unit EXA145749 Lever Unit EXA143850 Gear Unit EXA1574
51 Frame Unit EXA145852 Lever Unit EXA143953 Head Assy(HD1) EXA150654 Motor Unit(M1) EXA149055 Washer HBF-179
56 Screw BMZ20P022FMC57 Spring EBH154558 Washer YE20FUC59 Pinch Holder Unit EXA152960 Pinch Holder Unit EXA1528
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
8
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
3. SCHEMATIC DIAGRAM3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A-a A-b
A-a A-b
A-b A-a
Large sizeSCH diagram
Guide page
Detailed page
4R7/
16
223(
B)
4R7/16
FM/AM TUNER UNIT
TAPE: -9dBs
FM: -15.5dBsAM: -26dBs
For resistors and capacitors in the circuit diagrams, their resistance values orcapacitance values are expressed in codes:
Ex. *Resistors Code Practical value 123 12k ohms 103 10k ohms
*Capacitors Code Practical value 103 0.01uF 101/10 100uF/10V
B
D
KEYBOARD UC
DE
CK
UN
IT
PM2007A
A-a
A
9
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
PD4972A
TUNER AMP UNIT
CD: +2.2dBs
FM: +9.6dBsAM: -0.9dBsTAPE: -4dBsCD: +10.3dBs
FM: +35.6dBsAM: +25.1dBsTAPE: +22.0dBsCD: +36.3dBs
SYSTEM CONTROLLER
IP-BUS DRIVER
ELECTRONIC VOLUME
POWER AMP
RESET
8V REGULATER
VDD SWITCH
AA
IP-BUS
CEK1136
TAPE: -4.2dBs
CN1901
UNIT
332/
16
A
A-b
10
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
4R7/16
4R7/
16
FM/A
M T
UN
ER
UN
IT
FM: -
15.5
dB
sA
M: -
26d
Bs
IP
B
PM
2007
A
A-a
A-a
A-b
11
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
223(B)
PD
4972
A
TA
PE
: -9d
Bs
SY
ST
EM
CO
NT
For
resi
sto
rs a
nd
cap
acit
ors
in t
he
circ
uit
dia
gra
ms,
th
eir
resi
stan
ce v
alu
es o
rca
pac
itan
ce v
alu
es a
re e
xpre
ssed
in c
od
es:
Ex.
*R
esis
tors
C
od
e
P
ract
ical
val
ue
1
23
12k
oh
ms
1
03
10k
oh
ms
*C
apac
ito
rs
Co
de
P
ract
ical
val
ue
1
03
0.0
1uF
1
01/1
0
100u
F/10
V
D
CN
1901
KE
YB
OA
RD
UN
ITC
DECK UNIT
A-a
A-a
A-b
12
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
TU
NE
R A
MP
UN
IT
FM: +
9.6d
Bs
AM
: -0.
9dB
sT
AP
E: -
4dB
sC
D: +
10.3
dB
s
FM: +
35.6
dB
sA
M: +
25.1
dB
sT
AP
E: +
22.0
dB
sC
D: +
36.3
dB
s
IP-B
US
DR
IVE
R
ELE
CT
RO
NIC
VO
LUM
E
PO
WE
R A
MP
RE
SE
T
AA
CE
K11
36TA
PE
: -4.
2dB
s
332/16
A-a
A-b
A-b
13
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
4972
A
CD
: +2.
2dB
s
M C
ON
TR
OLL
ER
8V R
EG
ULA
TE
R
VD
D S
WIT
CH
IP-B
US
A-b
A-a
A-b
14
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
3.2 FM/AM TUNER UNIT
B
3
1
2
FM/AM TUNER UNB
15
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
B
ER UNIT
A
16
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
CAW1542:P4830R/X1M/EWCAW1506:P4800R/X1M/EW
3.3 KEYBOARD UNIT
C
17
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
C KEYBOARD UNIT
IL1901-1905:CEL1610(P4830R/X1M/EW)CEL1605(P4800R/X1M/EW)
40mA 14V
/EW/EW
EDIT
TA
PTY
LOCAL/BSM
C
CN
601
A
18
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
3.4 CASSETTE MECHANISM MODULE
D
DECK UNIT
MU
TE
CXA2559Q
11121314151617181920
40393837363534333231
30 29 28 27 26 25 24 23 22 21
1 2 3 4 5 6 7 8 9 10
CN602
R256 220
R287
0R0
C273
22/16
R283 0R0
R284 0R0
R282 0R0
C253 330P
C254 330P
C252 330P
C251 330P
R281 0R0
R255 220
C256
R01
R258
1K
R30
1
18K
R273 1K
R274 1K
R271 1K
R272 1K
R290 0R0
C403 R068
R403 82K
C402
4700P
C401R33
R40216K
R4014R7K
R32
30R
0
R257
1K
C255
R01
C272 R1
C31
310
0P
R38
60R
0
R28
50R
0
HD1HEAD ASSYEXA1506
TEST TAPENCT-150(400Hz, 200nWb/m)
RL
RR
FR
FL
Signal GND
C30
2
R1
C30
2
R1
C30
1
R1
R304R30216K16K
R305
16K
R303
16K
-6dBs(388mV)±1dB
D
A
Fwd-R
Fwd-L
19
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
FED
PCB UNIT
REEL PCB
SWITCHES:PCB UNIT S1:LOAD SWITCH..........EJECT-PLAY S2:70µs SWITCH............ON-OFFThe underlined indicates the switch position.
68
K
16K
R35
11K
R35
21K
R35
31K
R35
41K
R373 0R0
R35
527
0K
C35
239
00P
R36
218
0
C35
1R
22
C35
3R
01
C35
4R
01
R374 0R0
C356 R01
C355 R1D35
21S
S35
5M1MOTOR UNIT(MAIN MOTOR)EXA1490
S1 LOAD
ESG1004 S2
ESG1004
70µs
MODESENSE
EGN1EGN1005
EGN2EGN1006FWD ENDSENSE
EGN3EGN1006REV ENDSENSE
M2MOTOR UNIT(SUB MOTOR)EXA1485
Power GND
E
F
20
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
ACN1901C
CORD ASSY
TUNER AMP UNIT
4. PCB CONNECTION DIAGRAM4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS1. The parts mounted on this PCB
include all necessary parts forseveral destination.For further information forrespective destinations, be sureto check with the schematicdiagram.
2. Viewpoint of PCB diagrams
CapacitorConnector
P.C.Board Chip Part
SIDE A
SIDE B
A
21
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
A
SIDE A
B
CN251D
22
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
A
A TUNER AMP UNIT
23
KEH-P4830R,P4800R5 6 7 8
A
B
C
D
5 6 7 8
A
SIDE B
24
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
4.2 FM/AM TUNER UNIT
BSIDE A
B
A
FM/A
M T
UN
ER
UN
IT
25
KEH-P4830R,P4800R1 2 3 4
A
B
C
D
1 2 3 4
B
SIDE B
B
FM/A
M T
UN
ER
UN
IT
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
ED
IT
4.3 KEYBOARD UNIT
C
CK
EY
BO
AR
D U
NIT
26
SIDE A
27
KEH-P4830R,P4800R1 2 3 4
A
B
C
D
1 2 3 4
C
CK
EY
BO
AR
D U
NIT
CN
601
A
SIDE B
28
KEH-P4830R,P4800R
A
1 2 3 4
B
C
D
1 2 3 4
4.4 CASSETTE MECHANISM MODULE
D
D
A
HEADASSY
M2 M1
DECK UNIT
CN602
D DECK UNIT
SIDE A
SIDE B
E
29
KEH-P4830R,P4800R1 2 3 4
A
B
C
D
1 2 3 4
Fig. 20
FE
E PCB UNIT
REEL PCB
SIDE A
SIDE B
E
F
LOAD SWS1
70µ SWS2
MODE SENSEEGN1
1
4
7
1 2 3 4 5 6
E PCB UNIT
D CN253
F
30
KEH-P4830R,P4800R
5. ELECTRICAL PARTS LISTNOTE:- Parts whose parts numbers are omitted are subject to being not supplied.
- The part numbers shown below indicate chip components.Chip Resistor
RS1/_S___J,RS1/__S___JChip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
D 606 Diode 1SS270D 607 Diode 1SS270D 608 Diode 1SS270D 901 Diode HZS7L(C2)D 902 Diode 1SR139-400
D 903 Diode 1SR139-400D 904 Diode HZS7L(A1)D 905 Diode 1SR139-400D 906 Diode HZS6L(B2)D 907 Diode HZS9L(B3)
D 908 Diode HZS9L(A2)D 912 Diode 1SR139-400D 913 Diode 1SR139-400D 915 Diode 1SS270D 916 Diode 1SS270
L 501 Ferri-Inductor LAU2R2KL 502 Ferri-Inductor LAU2R2KL 601 Ferri-Inductor LAU2R2KL 602 Ferri-Inductor LAU2R2KL 603 Ferri-Inductor LAU2R2K
L 701 Ferri-Inductor LAU101KL 702 Ferri-Inductor LAU2R2KL 901 Coil CTH1219L 902 Ferri-Inductor LAU2R2KX 501 Crystal Resonator 7.200MHz CSS1379
X 601 Ceramic Resonator 6.29MHz CSS1310X 701 Crystal Resonator 4.332MHz CSS1056VR 401 Semi-fixed 22kΩ(B) CCP1321
RESISTORS
R 303 RS1/8S224JR 304 RS1/8S224JR 305 RS1/10S222JR 306 RS1/10S222JR 307 RS1/10S223J
R 308 RS1/10S223JR 309 RS1/10S222JR 310 RS1/10S103JR 311 RD1/4PU472JR 312 RS1/10S472J
R 317 RS1/10S152JR 318 RS1/10S103JR 319 RS1/10S221JR 320 RS1/10S101JR 321 RS1/10S223J
R 322 RS1/10S153JR 323 RS1/10S103JR 325 RS1/10S821JR 326 RS1/10S821JR 327 RS1/10S223J
R 328 RS1/10S223JR 333 RS1/10S101JR 334 RS1/10S101JR 335 RS1/10S223JR 336 RS1/10S223J
Unit Number : CWM6246(KEH-P4830R/X1M/EW): CWM6245(KEH-P4800R/X1M/EW)
Unit Name : Tuner Amp Unit
MISCELLANEOUS
IC 301 IC PML003AMIC 302 IC TDA7384IC 501 IC PM2007AIC 601 IC PD4972AIC 602 IC S-80734AN
IC 701 IC PM4006BIC 702 IC CA0008AMIC 703 IC TA75S393FIC 902 IC TPD1018FQ 301 Transistor 2SD1468S
Q 302 Transistor 2SD1468SQ 303 Transistor DTC143TSQ 304 Transistor DTC143TSQ 305 Transistor DTC124ESQ 306 Transistor DTC124EK
Q 307 Transistor 2SC1740SQ 308 Transistor DTC143TKQ 309 Transistor DTC143TKQ 310 Transistor DTA124EKQ 401 Transistor 2SC2412K
Q 402 Transistor DTC143TSQ 501 Transistor 2SC1740SQ 505 Transistor DTA124EKQ 506 Transistor DTC114EKQ 601 Transistor 2SA933S
Q 701 Transistor 2SA1037KQ 702 Transistor DTC114EKQ 901 Transistor 2SC1740SQ 902 Transistor 2SC2412KQ 903 Transistor 2SD2037
Q 904 Transistor 2SD2396Q 905 Transistor 2SB1243Q 906 Transistor 2SC1740SQ 907 Transistor 2SA1048Q 908 Transistor DTC114TK
Q 909 Transistor 2SA1674Q 910 Transistor DTC114TKQ 911 Transistor 2SC2412KQ 920 Transistor DTC114ESQ 921 Transistor DTA124ES
Q 924 Transistor 2SA1037KD 301 Diode 1SS270D 302 Diode 1SS270D 402 Diode 1SS270D 501 Diode 1SS270
D 601 Diode 1SS270D 602 Diode 1SS270D 603 Diode 1SS270D 604 Diode 1SS270D 605 Diode 1SS270
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
A
31
KEH-P4830R,P4800R
R 337 RD1/4PU102JR 338 RD1/4PU102JR 340 RS1/10S0R0JR 342 RS1/10S0R0JR 401 RS1/10S0R0J
R 402 RS1/10S272JR 403 RS1/10S272JR 404 RS1/10S0R0JR 405 RS1/10S510JR 406 RS1/10S102J
R 407 RD1/4PU222JR 408 RS1/10S222JR 410 RS1/10S102JR 411 RS1/10S103JR 412 RD1/4PU103J
R 413 RS1/10S393JR 414 RS1/10S562JR 415 RS1/10S104JR 416 RS1/8S104JR 417 RS1/10S0R0J
R 418 RS1/10S0R0JR 419 RS1/10S0R0JR 501 RS1/10S105JR 502 RS1/10S102JR 503 RS1/10S222J
R 506 RS1/10S561JR 508 RS1/10S224JR 510 RS1/10S0R0JR 511 RS1/10S0R0JR 512 RS1/10S0R0J
R 513 RS1/10S272JR 514 RS1/8S222JR 515 RS1/10S562JR 517 RS1/10S473JR 518 RS1/10S472J
R 519 RS1/10S682JR 520 RS1/10S222JR 521 RS1/10S682JR 522 RS1/10S472JR 523 RS1/10S0R0J
R 524 RS1/10S103JR 525 RS1/10S152JR 526 RS1/10S392JR 527 RS1/10S392JR 528 RS1/10S472J
R 529 RS1/10S473JR 530 RS1/10S562JR 531 RS1/10S104JR 532 RS1/10S473JR 535 RD1/4PU102J
R 536 RS1/10S473JR 601 RS1/10S124JR 602 RS1/10S103JR 603 RS1/10S103JR 604 RS1/10S473J
R 607 RD1/4PU102JR 610 RS1/10S473JR 611 RS1/10S473JR 612 RS1/10S473JR 613 RS1/10S473J
R 614 RS1/8S103JR 615 RS1/10S392JR 616 RD1/4PU222JR 617 RD1/4PU223JR 618 RD1/4PU222J
R 619 RD1/4PU222JR 621 RS1/10S222JR 622 RS1/10S222JR 623 RD1/4PU222JR 624 RS1/10S222J
R 625 RD1/4PU222JR 626 RD1/4PU222JR 627 RD1/4PU222JR 628 RD1/4PU222JR 629 RD1/4PU681J
R 630 RS1/10S681JR 631 RS1/10S681JR 632 RD1/4PU681JR 633 RD1/4PU681JR 634 RD1/4PU681J
R 635 RD1/4PU222JR 636 RS1/10S472JR 637 RS1/10S103JR 638 RD1/4PU222JR 639 RS1/10S223J
R 641 RD1/4PU222JR 642 RS1/10S473JR 643 RS1/10S472JR 644 RS1/10S472JR 645 RS1/10S472J
R 650 RS1/10S0R0JR 651 RD1/4PU222JR 653 RS1/8S0R0JR 654 RS1/10S0R0JR 655 RS1/10S473J
R 701 RS1/10S562JR 702 RS1/10S222JR 703 RS1/10S222JR 704 RS1/10S684JR 705 RD1/4PU681J
R 706 RS1/10S333JR 708 RD1/4PU102JR 709 RD1/4PU102JR 710 RS1/10S102JR 711 RD1/4PU102J
R 712 RD1/4PU102JR 713 RD1/4PU102JR 714 RD1/4PU102JR 716 RS1/10S620JR 717 RS1/10S101J
R 718 RS1/10S101JR 719 RS1/10S473JR 720 RS1/10S473JR 721 RS1/10S102JR 722 RS1/10S102J
R 723 RS1/10S102JR 724 RS1/10S223JR 725 RD1/4PU472JR 726 RS1/10S222JR 901 RS1/10S473J
R 902 RS1/10S223JR 903 RS1/10S223JR 904 RS1/10S473JR 905 RD1/4PU102JR 906 RD1/4PU473J
R 907 RS1/10S473JR 908 RS1/10S472JR 909 RS1/10S332JR 910 RD1/4PU101JR 911 RS1/10S122J
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
32
KEH-P4830R,P4800R
R 912 RS1/10S103JR 913 RS1/10S103JR 914 RS1/10S102JR 915 RS1/10S103JR 916 RS1/10S103J
R 917 RS1/10S0R0JR 918 RS1/8S0R0JR 919 RS1/10S102JR 920 RS1/10S103JR 921 RS1/10S152J
R 922 RS1/10S102JR 923 RS1/10S103JR 924 RS1/10S223JR 944 RS1/10S152JR 948 RS1/10S0R0J
R 949 RS1/8S0R0JR 951 RS1/10S153JR 952 RS1/10S472JR 953 RS1/10S472JR 954 RD1/4PU102J
R 955 RD1/4PU473J
CAPACITORS
C 301 CKSQYB105K10C 302 CKSQYB105K10C 303 CEJA470M10C 304 CEJA100M16C 308 CKSQYB104K50
C 309 CKSQYB224K16C 310 CKSQYB224K16C 311 CKSQYB224K16C 312 CKSQYB224K16C 313 CEJA4R7M35
C 314 CEJA4R7M35C 315 CEJA330M10C 316 CEJA1R0M50C 317 CEJA100M16C 318 CKSYB105K16
C 319 CKSQYB224K16C 320 CKSQYB224K16C 321 CKSQYB224K16C 322 CKSQYB224K16C 323 CKSQYB104K50
C 324 3300µF/16V CCH1169C 325 CEJA2R2M50C 326 CEJA2R2M50C 327 CEJA1R0M50C 328 CEJA1R0M50
C 329 CEJA1R0M50C 330 CEJA1R0M50C 331 CKSQYB153K50C 332 CKSQYB153K50C 339 CKSQYB104K50
C 340 CKSQYB104K50C 401 CKSQYB223K25C 402 CKSQYB223K25C 403 CKSQYB223K25C 407 CKSQYB223K50
C 408 CCSQSL101J50C 412 CKSQYB104K50C 413 CKSQYB223K50C 414 CKSQYB103K50C 415 CKSYB223K50
C 501 4.7µF/16V CCH1165C 502 CKSQYB471K50C 503 CKSQYB223K50C 504 CKSQYB103K50C 505 CKSQYB103K50
C 507 CEJA220M6R3C 508 CKSQYB102K50C 510 CCSQSL101J50C 511 CKSQYB103K50C 512 CKSQYB103K50
C 513 CKSQYB103K50C 514 CCSQCH150J50C 515 CKSQYB102K50C 516 CCSQCH150J50C 517 CKSQYB103K50
C 518 CKSQYB103K50C 519 CEJA220M6R3C 520 CKSQYB103K50C 521 CEJA220M6R3C 522 CKSQYB104K50
C 523 CKSQYB332K50C 524 CKSQYB103K50C 525 4.7µF/16V CCH1250C 526 CEJAR47M50C 527 CKLSR473K16
C 530 CEJA220M10C 601 CKSQYB473K50C 602 CKSQYB103K50C 603 CCSQCH101J50C 604 CCSQCH101J50
C 608 CEJA4R7M35C 609 CEJA100M16C 610 CEJA220M10C 611 CKSQYB223K50C 703 CKSQYB103K50
C 704 CEJA4R7M35C 705 CKSQYB104K50C 706 CKSQYB222K50C 707 CKSQYB104K50C 708 CKSYB105K16
C 709 CKSQYB104K50C 710 CKSQYB472K50C 711 CEJA4R7M35C 712 CCSQCH100D50C 713 CCSQCH220J50
C 714 CCSQCH220J50C 715 CKSQYB102K50C 716 CKSQYB104K50C 717 CCSQCH101J50C 901 CEJA101M10
C 902 CKSQYB473K50C 903 470µF/16V CCH1183C 904 CKSQYB103K50C 905 330µF/10V CCH1181C 906 CKSQYB103K50
C 907 100µF/16V CCH1179C 911 CKSQYB103K50C 914 CKSQYB472K50
Unit Number : CWM6257(KEH-P4830R/X1M/EW): CWM6110(KEH-P4800R/X1M/EW)
Unit Name : Keyboard Unit
MISCELLANEOUS
IC 1901 IC PD6278AIC 1902 IC SBX8035-HD 1901 Chip Diode MA151WKD 1902 Diode MA151WAL 1901 Ferri-Inductor LAU101K
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
C
33
KEH-P4830R,P4800R
X 1901 Ceramic Resonator 4.97MHz CSS1422S 1901 Switch CSG1041S 1902 Switch CSG1111S 1903 Switch CSG1111S 1904 Switch CSG1111
S 1905 Switch CSG1111S 1906 Switch CSG1111S 1907 Switch CSG1111S 1908 Switch CSG1111S 1909 Switch CSG1111
S 1910 Switch CSG1111S 1911 Switch CSG1111S 1912 Switch CSG1111S 1913 Switch CSG1111S 1914 Switch CSG1041
S 1915 Switch CSG1041S 1916 Switch CSG1111S 1917 Switch CSG1111S 1918 Switch CSG1041S 1919 Switch CSG1041
S 1920 Switch CSG1111S 1921 Switch CSG1111S 1922 Switch CSG1110IL 1901 Lamp 40mA 14V(P4830R/X1M/EW) CEL1610IL 1901 Lamp 40mA 14V(P4800R/X1M/EW) CEL1605
IL 1902 Lamp 40mA 14V(P4830R/X1M/EW) CEL1610IL 1902 Lamp 40mA 14V(P4800R/X1M/EW) CEL1605IL 1903 Lamp 40mA 14V(P4830R/X1M/EW) CEL1610IL 1903 Lamp 40mA 14V(P4800R/X1M/EW) CEL1605IL 1904 Lamp 40mA 14V(P4830R/X1M/EW) CEL1610
IL 1904 Lamp 40mA 14V(P4800R/X1M/EW) CEL1605IL 1905 Lamp 40mA 14V(P4830R/X1M/EW) CEL1610IL 1905 Lamp 40mA 14V(P4800R/X1M/EW) CEL1605LCD1901 LCD(KEH-P4830R/X1M/EW) CAW1542LCD1901 LCD(KEH-P4800R/X1M/EW) CAW1506
RESISTORS
R 1901 RS1/10S222JR 1902 RS1/10S222JR 1903 RS1/10S472JR 1904 RS1/10S121JR 1907 RS1/10S2R2J
R 1908 RS1/10S473JR 1909 RS1/10S473JR 1910 RS1/10S473JR 1911 RS1/10S473JR 1912 RS1/10S473J
R 1913 RS1/10S473J
CAPACITORS
C 1901 CEAL100M16C 1902 CKSQYB104K16C 1903 CEAL100M16
Unit Number : EWM1021Unit Name : Deck Unit
MISCELLANEOUS
IC 251 IC CXA2559QIC 351 IC PA2020AD 352 Diode 1SS355
RESISTORS
R 255 RS1/16S221JR 256 RS1/16S221JR 257 RS1/16S102JR 258 RS1/16S102JR 271 RS1/16S102J
R 272 RS1/16S102JR 273 RS1/16S102JR 274 RS1/16S102JR 281 RS1/8S0R0JR 282 RS1/8S0R0J
R 283 RS1/8S0R0JR 284 RS1/8S0R0JR 285 RS1/16S0R0JR 286 RS1/16S0R0JR 287 RS1/8S0R0J
R 290 RS1/8S0R0JR 301 RS1/16S183JR 302 RS1/16S163JR 303 RS1/16S163JR 304 RS1/16S163J
R 305 RS1/16S163JR 323 RS1/8S0R0JR 351 RS1/16S102JR 352 RS1/16S102JR 353 RS1/16S102J
R 354 RS1/16S102JR 355 RS1/10S274JR 362 RS1/8S181JR 373 RS1/8S0R0JR 374 RS1/8S0R0J
R 401 RS1/16S472JR 402 RS1/16S163JR 403 RS1/16S823J
CAPACITORS
C 251 CKSRYB331K50C 252 CKSRYB331K50C 253 CKSRYB331K50C 254 CKSRYB331K50C 255 CKSRYB103K25
C 256 CKSRYB103K25C 272 CKSQYB104K16C 273 CEJA220M16C 301 CKSYB104K50C 302 CKSYB104K50
C 313 CCSQCH101K50C 351 CKSYB224K25C 352 CKSQYB392K50C 353 CKSQYB103K50C 354 CKSQYB103K50
C 355 CKSYB104K50C 356 CKSQYB103K50C 401 CKSQYB334K16C 402 CKSQYB472K50C 403 CKSQYB683K16
Unit Number :Unit Name : PCB Unit
S 1 Switch (Load) ESG1004EGN 1 Photo-Interrupter EGN1005
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
D
E
34
KEH-P4830R,P4800R
Unit Number :Unit Name : Reel PCB
EGN 2 Photo-Interrupter EGN1006EGN 3 Photo-Interrupter EGN1006
Unit Number : CWE1466Unit Name : FM/AM Tuner Unit
MISCELLANEOUS
IC 1 IC PA4023BIC 2 IC PA4024AQ 1 Transistor 2SC2412KQ 2 Transistor DTC124EUQ 3 FET 3SK263
Q 31 Transistor 2SC2412KQ 154 Transistor DTC124EUQ 165 Transistor 2SC2412KQ 201 FET 2SK932Q 202 Transistor 2SC2412K
Q 203 Transistor DTC124EUD 4 Diode 1SV250D 5 Diode KV1410-F1D 7 Diode KV1410-F1D 8 Diode KV1410-F1
D 201 Diode MA157D 202 Diode MA157D 231 Diode SVC253L 2 Coil CTC1133L 3 Inductor LCTB2R2K2125
L 4 Coil CTC1133L 5 Coil CTC1132L 6 Inductor LCTBR15K1608L 51 Ferri-Inductor LAU150KL 201 Ferri-Inductor LAU4R7K
L 202 Ferri-Inductor LAU330KL 203 Inductor CTF1287L 208 Inductor LAU121KL 231 Inductor LCTA3R3J3225T 31 Coil CTE1116
T 51 Coil CTC1136TC 1 Trimmer CCL1046CF 51 Ceramic Filter CTF1442CF 52 Ceramic Filter CTF1442CF 53 Ceramic Filter CTF1442
CF 232 Ceramic Filter CTF1348X 151 Radiator 918.5Hz CSS1365X 231 Crystal Resonator 10.26MHz CSS1111VR 154 Semi-fixed 150kΩ(B) CCP1213AR 1 Capacitor with Discharge Gap DSP-201M
RESISTORS
R 1 RS1/16S0R0JR 4 RS1/16S154JR 5 RS1/16S391JR 6 RS1/16S223JR 7 RS1/16S123J
R 8 RS1/16S332JR 9 RS1/16S473JR 10 RS1/16S223JR 11 RS1/16S124JR 13 RS1/16S563J
R 15 RS1/16S271JR 16 RS1/16S104JR 17 RS1/16S332JR 18 RS1/16S332JR 31 RS1/16S470J
R 32 RS1/16S822JR 33 RS1/16S822JR 34 RS1/16S331JR 35 RS1/16S331JR 51 RS1/16S271J
R 52 RS1/16S560JR 55 RS1/16S102JR 56 RS1/16S823JR 61 RS1/16S392JR 62 RS1/16S393J
R 101 RS1/16S272JR 102 RS1/16S682JR 103 RS1/16S333JR 104 RS1/16S334JR 105 RS1/16S683J
R 107 RS1/16S222JR 151 RS1/16S222JR 152 RS1/16S393JR 154 RS1/16S104JR 155 RS1/16S273J
R 156 RS1/16S243JR 157 RS1/16S203JR 160 RS1/16S222JR 161 RS1/16S563JR 162 RS1/16S105J
R 163 RS1/16S222JR 202 RS1/16S223JR 203 RS1/16S225JR 204 RS1/16S103JR 206 RS1/16S220J
R 207 RS1/16S101JR 208 RS1/16S102JR 209 RS1/16S471JR 214 RS1/16S822JR 215 RS1/16S822J
R 217 RS1/16S102JR 231 RS1/16S272JR 232 RS1/16S473JR 237 RS1/16S103JR 238 RS1/16S104J
R 239 RS1/16S104JR 240 RS1/16S332JR 241 RS1/16S202JR 243 RS1/16S123JR 244 RS1/16S103J
R 247 RS1/16S123J
CAPACITORS
C 1 CCSQCH6R0D50C 2 CCSRCK2R0C50C 4 CCSRCH820J50C 6 CCSRCH820J50C 8 CKSRYB103K25
C 9 CKSQYB104K16C 10 CCSRCKR50C50C 11 CEJA1R0M50C 13 CKSRYB222K50C 14 CCSRCH220J50
C 16 CCSRCH8R0D50C 17 CKSRYB222K50C 18 CKSRYB103K25C 19 CKSRYB222K50C 20 CKSRYB222K50
C 21 CEJA100M16C 22 CCSRTH9R0D50C 23 CCSRTH120J50C 24 CCSRCH471J50C 25 CKSRYB103K25
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
F
B
35
KEH-P4830R,P4800R
C 31 CKSRYB103K25C 32 CKSQYB472K50C 33 CCSRCH5R0C50C 34 CKSQYB104K16C 36 CCSRRH201J50
C 51 CKSRYB223K25C 52 CKSRYB103K25C 54 CCSRCH470J50C 55 CKSQYB223K25C 56 CKSQYB104K16
C 57 CKSRYB472K50C 58 CEJA330M10C 59 CKSRYB103K25C 61 CCSRCH270J50C 62 CKSRYB103K25
C 63 CEJAR15M50C 101 CEJANP100M10C 102 CKSRYB182K50C 103 CKSRYB682K25C 104 CEJA2R2M50
C 105 CKSRYB103K25C 106 CCSRCH151J50C 107 CKSRYB103K25C 151 CKSRYB472K50C 152 CKSQYB104K16
C 153 CEJA3R3M50C 154 CKSQYB104K16C 157 CEJA3R3M50C 158 CKSYB474K16C 159 CEJA220M6R3
C 160 CKSQYB104K16C 161 CKSQYB104K16C 162 CEJA3R3M50C 163 CKSRYB102K50C 170 CCSRCH100D50
C 201 CCSRCH471J50C 202 CCSRCH100D50C 203 CKSRYB332K50C 204 CKSQYB473K16C 205 CKSQYB473K16
C 206 CKSQYB104K16C 207 CCSRCH560J50C 209 CKSQYB104K16C 211 CCSRCH101J50C 212 CEJA470M6R3
C 213 CKSRYB103K25C 216 CCSRCH101J50C 217 CEJA1R5M50C 219 CCSRCH471J50C 220 CKSRYB103K25
C 230 CKSRYB103K25C 231 CCSRCH330J50C 232 CCSRCH150J50C 233 CKSQYB104K16C 234 CEJA330M10
C 235 CKSRYB332K50C 236 CKSQYB473K16C 237 CCSRCH120J50C 239 CKSRYB472K50C 240 CEJAR47M50
C 241 CKSQYB104K16C 242 CEJAR47M50C 243 CEJAR33M50C 244 CKSQYB473K16C 245 CKSRYB123K25
C 246 CKSQYB473K16C 250 CCSRCH471J50
Miscellaneous Parts List
M 1 Motor Unit (Main) EXA1490M 2 Motor Unit (Sub) EXA1485HD 1 Head Assy EXA1506
Fuse(10A) CEK1136
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.--- ------ ------------------------------------------ -------------------------
36
KEH-P4830R,P4800R
FM
/AM
TU
NE
R U
NIT
4Ω
4Ω
Lch +
Lch -
Rch +
Rch -
BACK UP
ACC
GND
+14.4V
GND
AntennaJack
mV Meter (1) Oscilloscope
DC RegulatedPower Supply
TUNER AMP UNIT
50 Ω(75Ω )
FM SSG StereoModulator
50Ω (37.5Ω )Antenna Plug
Dummy Antenna
DE
CK
UN
IT
VR401
DC V Meter(2)
SIDE B
FM/AM TUNER UNIT (TOP VIEW)
T31
T51
C63
T51 CenterMeter
FM/AM TUNER UNIT (BOTTOM VIEW)
Pin1
Pin13
Pin14
Pin 19
Pin26L2
L4
L5
VR154
TC1
DC VMeter(1)
Q402 EMITTER
6. ADJUSTMENT- Connection Diagram
37
KEH-P4830R,P4800R
FM ADJUSTMENTModulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)
S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
FM SSG Displayed Adjustment Adjustment MethodNo. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position)
TUN Volt 1 ••••• ••••• 108.0 L5 DC V Meter(1) : 6VIF 2 98.1 M 60—100 98.1 T51 Center Meter : 0ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : MaximumRF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : MaximumRF 5 129.3 M 60—80 107.9 TC1 mV Meter(1) : MinimumTrimmer
6 RF Coil and RF Trimmer shall be adjusted twice or moreIFT 7 98.1 M 5 98.1 T31 mV Meter(1) : Maximum
(STEREO MODE)ARC 8 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB
(STEREO MODE)
RDS SL ADJUSTMENTFM SSG Displayed Adjustment Adjustment Method
No. Frequency(MHz) Level(dBf) Frequency(MHz) Point (Switch Position)1 104.0 S 35 104.0 VR401 DC V Meter(2) : 1.75V+0.05,-0.35
38
KEH-P4830R,P4800R
7. GENERAL INFORMATION7.1 PARTS7.1.1 ICCXA2559Q
39
KEH-P4830R,P4800R
- Pin Functions(PD4972A)Pin No. Pin Name I/O Format Function and Operation
1 ASENBO O C Slave power supply control output2 l/S O C RDS time constant control output3 ADPW O C A/D converter power4 AVSS GND5 swvdd O C Grille power supply control output6 st I FM stereo input7 AVREF1 D/A converter standard voltage8 KYDT I Grille MicroComputer data input9 DPDT O C Grille MicroComputer data output
10 NC Not used11 TUNPDI I PLL IC data input12 TUNPDO O C PLL IC data output13 TUNPCK O C PLL IC clock output14 TUNPCE O C PLL IC chip enable output15 currrq O C Tuner voltage FIX output
16–18 NC Not used19 RECIVE O C During RDS data reception output20 DILM O C DILM output21 EORR O C Correct RDS error output22 VST O C Strobe pulse output for electronic volume23 VCK O C Clock output for electronic volume24 VDT O C Data output for electronic volume25 LCDPW O C LCD back light power supply control output26 ILMPW O C Illumination power supply control output27 DRSENS I Door open/close sense input28 DRSYS O C Door system select output29 FM O C FM power control output30 AM O C AM power control output31 CM O C Cassette mechanism capstan motor control output32 NC Not used33 VSS GND34 SC2 O C Cassette mechanism sub motor control output35 SC1 O C Cassette mechanism sub motor control output36 MSIN I Cassette mechanism MS sense input37 RIMUTE O N RI output port38 mtlsw I Metal sense input39 dled O N Alarm LED output40 n/R O Normal reverse output41 PLAY O C Tape MS filter select output42 loadsw I Tape loading input43 POS I Cassette mechanism position sense input44 RES I Cassette mechanism reverse end sense input45 PEE O C Beep tone output46 NES I Cassette mechanism forward end sense input47 RDS57K I 57kHzBP-OUT sense input48 STBY O C Stand-by output49 SK I SK signal input50 drst O C Decoder reset output51 tmute O C Tuner mute output52 mdsens I Modulation detect input53 SD I SD input 54 mute O C Mute output55 SYSPW O C System power supply control output56 TX O C IP BUS data output57 RX I IP BUS data input58 RDSLK I RDS LK signal input59 RDT I RDS data input60 RESET I Reset input61 ldet I PLL lock sense input
40
KEH-P4830R,P4800R
IC's marked by* are MOS type.Be careful in handling them because they are veryliable to be damaged by electrostatic induction.
Pin No. Pin Name I/O Format Function and Operation62 rck I RDS clock input63 dsens I Grille detach sense input64 TELIN I Cellular mute input65 asens I ACC power sense input66 bsens I Back up power sense input67 NC Not used68 VDD VDD69 X2 O Oscillator output70 X1 I Oscillator input71 IC Connect to GND72 XT2 Sub Clock terminal73 TESTIN I Test program mode input74 AVDD A/D converter analog power supply (VDD)75 AVREF0 I A/D converter standard voltage input76 SL I Signal level input77 CL I Synchronizing signal input of display data latch78 NL I Noise level input79 MODELIN I Model select input80 ALMUTE O C Mute output for Detach alarm
801
20
21 40
41
60
61
*PD4972A Format MeaningC C MOSN N Channel open drain
*PD6278A
16
1732
33
48
49 64
1
41
KEH-P4830R,P4800R
- Pin Functions (PD6278A)Pin No. Pin Name I/O Function and Operation
1-5 SEG4-0 O LCD segment output6-9 COM3-0 O LCD common output 10 V3 LCD drive power supply
11-14 KS4-1 O Key strobe output15,16 KD1,2 I Key data input (analogue input)
17 REM I Remote control reception18 RXD I System micro computer UART communication data input19 rst I System reset20 TXD O System micro computer UART communication data output21 MODA GND22 X0 Crystal oscillator connection pin23 X1 Crystal oscillator connection pin24 VSS GND
25,26 KD3,4 I Key data input27,28 KS6,5 O Key strobe output29-55 SEG39-13 O LLCD segment output
56 VCC Power supply57-64 SEG12-5 O LCD segment output
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1516171819202122232425262728
Vref IN1_L IN2_L IN3_L IN4+_L AGND Loud- out_L
SVin_L Front- out_L
Rear- out_L
FIE_L DGNDIN4-_L CLK
VCC IN1_R IN2_R IN3_R IN4+_R AGNDLoud- out_R SVin_R
Front- out_R
Rear- out_R FIE_R STBIN4-_R DATA
Isolator circuit
Primary volume
Anti Alias filter
Treble
Anti radiation filter
Middle Bass
Loudness volume
FIE
Fadervolume
Secondary volume
Zero crossdetect circuit
Primary volume
Anti Alias filter
Middle
Treble
Bass
Isolator circuit
Anti radiation filter
Loudness volume
Zero crossdetect circuit
Fadervolume
Secondary volume
FIE
Digital block
Auto-Zero
Auto-Zero
PML003AM
42
KEH-P4830R,P4800R
7.1.2 DISPLAY
- CAW1542(P4830R),CAW1506(P4800R)
CO
MM
ON
SE
GM
EN
T
43
KEH-P4830R,P4800R
7.2 DISASSEMBLY
- Removing the Tuner Amp Unit(Fig.2)
Removing the two screws.
Removing the three screws.
Removing the screw.
Unbend the tabs at three locationsindicated by arrow until straight.Remove the Tuner Amp Unit.
- Removing the Case(not shown)1.Remove the two screws.2.Remove the Case.
- Removing the Cassette Mechanism Module(not shown)
1.Remove the four screws.2.Disconnect the connector, and then removing the
Cassette Mechanism Module.
- Removing the Panel Unit(Fig.1)
Remove the two screws.
Disengage the stopper at two locationsindicated and remove the Panel Unit.
Fig.1
Fig.2
Panel Unit
Tuner Amp Unit
44
KEH-P4830R,P4800R
7.3 BLOCK DIAGRAM
BA
D
F
E
C
45
KEH-P4830R,P4800R
8. OPERATIONS AND SPECIFICATIONS
+ ≠+ ≠
20.F
ront
21.R
ear
+ ≠+ ≠
1.T
his
Prod
uct
3.A
nten
naja
ck
8.To
term
inal
alw
ays
supp
lied
with
pow
erre
gard
less
ofig
nitio
nsw
itch
posi
tion.
6.To
elec
tric
term
inal
cont
rolle
dby
igni
tion
switc
h(1
2V
DC
)O
N/O
FF.
13.B
lue/
whi
te
10.T
ove
hicl
e(m
etal
)bo
dy.
9.B
lack
(gro
und)
5.R
ed
7.Y
ello
w
12.F
use
22.W
hite
23.W
hite
/bla
ck
24.G
ray
25.G
ray/
blac
k
26.G
reen
27.G
reen
/bla
ck
28.V
iole
t
29.V
iole
t/bla
ck19.R
ight
spea
ker
18.L
efts
peak
er
11.Y
ello
w/b
lack
Ifyo
uus
ea
cellu
lar
tele
phon
e,co
nnec
titv
iath
eA
udio
Mut
ele
adon
the
cellu
lar
tele
phon
e.If
not,
keep
the
Aud
ioM
ute
lead
free
ofan
yco
nnec
tions
.
20.F
ront
21.R
ear
4.M
ulti-
CD
play
er(s
old
sepa
rate
ly)
15.C
onne
ctin
gco
rds
with
RC
Api
npl
ugs
(sol
dse
para
tely
)
14.T
osy
stem
cont
rolt
erm
inal
ofth
epo
wer
amp
orA
uto-
ante
nna
rela
yco
ntro
lter
min
al.
(Max
.300
mA
12V
DC
)
17.P
ower
amp
(sol
dse
para
tely
)
2.R
ear
outp
ut
+ ≠
+ ≠
16.S
yste
mre
mot
eco
ntro
l
21.R
ear
21.R
ear
30.W
itha
2sp
eake
rsy
stem
,do
notc
onne
ctan
ythi
ngto
the
spea
ker
lead
sth
atar
eno
tco
nnec
ted
tosp
eake
rs.
31.U
seth
isfo
rco
nnec
tions
whe
nyo
uha
veth
ese
para
tely
avai
labl
eam
plif
ier.
CAU
TIO
N•
Cor
ds f
or th
is p
rodu
ct a
nd th
ose
for
othe
r pr
oduc
ts m
ay b
edi
ffer
ent c
olor
s ev
en if
they
hav
e th
e sa
me
func
tion.
Whe
nco
nnec
ting
this
pro
duct
to a
noth
er p
rodu
ct, r
efer
to th
esu
pplie
d In
stal
latio
n m
anua
ls o
f bo
th p
rodu
cts
and
conn
ect
cord
s th
at h
ave
the
sam
e fu
nctio
n.
32.
46
KEH-P4830R,P4800R
Key
Fin
der
Hea
d U
nit
5/∞
/2/3
butto
ns
SOU
RC
E/O
FFbu
tton
+/–
butto
nA
UD
IObu
tton
Det
ach
butto
n
But
tons
1–6
Cas
sette
door
EJE
CT
butto
n
LO
CA
L/B
SMbu
tton
PTY
butto
n
TA/A
Fbu
tton
BA
ND
butto
n
DIS
PLA
Ybu
tton
EQ
butto
n
Bas
ic O
pera
tion
To L
iste
n to
Mus
icT
he f
ollo
win
g ex
plai
ns th
e in
itial
ope
ratio
ns r
equi
red
befo
re y
ou c
an li
sten
to m
usic
.
Not
e:•
Loa
ding
a c
asse
tte in
this
pro
duct
.
1.Se
lect
the
des
ired
sou
rce
(e.g
. Tun
er).
Eac
h pr
ess
of th
e SO
UR
CE
/OFF
but
ton
sele
cts
the
desi
red
sour
ce in
the
follo
win
g or
der:
Tun
er =
Tape
=M
ulti-
CD
pla
yer
=A
UX
Not
e:•
In th
e fo
llow
ing
case
s, th
e so
und
sour
ce w
ill n
ot c
hang
e:*
Whe
n a
prod
uct i
s no
t con
nect
ed to
this
pro
duct
.*
Whe
n no
tape
is s
et in
this
pro
duct
.*
Whe
n no
mag
azin
e is
set
in th
e M
ulti-
CD
pla
yer.
*W
hen
the
AU
X (
exte
rnal
inpu
t) is
set
to O
FF.
2.R
aise
or
low
er t
he v
olum
e.
3.Tu
rn t
he s
ourc
e O
FF.
Hol
d fo
r 1
seco
nd o
r m
ore
Eac
h pr
ess
chan
ges
the
Sour
ce ..
.
8.1 OPERATIONS
47
KEH-P4830R,P4800R
Bas
ic O
pera
tion
of T
uner
Bas
ic O
pera
tion
Man
ual a
nd S
eek
Tuni
ng
•Y
ou c
an s
elec
t th
e tu
ning
met
hod
by c
hang
ing
the
leng
thof
tim
e yo
u pr
ess
the
2/3
butt
on.
Man
ual T
unin
g (s
tep
by s
tep)
0.5
seco
nds
or le
ss
Seek
Tun
ing
0.5
seco
nds
or m
ore
Not
e:•
If y
ou c
ontin
ue p
ress
ing
the
butto
n fo
r lo
nger
than
0.5
sec
onds
, you
can
ski
pbr
oadc
ast s
tatio
ns. S
eek
Tun
ing
star
ts a
s so
on a
s yo
u st
op p
ress
ing
the
butto
n.
Not
e:•
“”
ster
eo in
dica
tor
light
s w
hen
a st
ereo
sta
tion
is s
elec
ted.
Pres
et T
unin
g
•Y
ou c
an m
emor
ize
broa
dcas
t st
atio
ns in
but
tons
1 th
roug
h 6
for
easy
, one
-tou
ch s
tati
on r
ecal
l.
Pres
et s
tatio
n re
call
2 se
cond
s or
less
Bro
adca
st s
tatio
n pr
eset
mem
ory
2 se
cond
s or
mor
e
Not
e:•
Up
to 1
8 FM
sta
tions
(6
in F
I(F
M1)
, FII
(FM
2) a
nd F
III
(FM
3))
and
6 M
W/L
W s
tatio
ns c
an b
e st
ored
in m
emor
y.•
You
can
als
o us
e th
e 5
or ∞
butto
ns to
rec
all b
road
cast
stat
ions
mem
oriz
ed in
but
tons
1 th
roug
h 6.
Pres
et N
umbe
r Ind
icat
or
Ban
d FI(F
M1)
=FI
I(F
M2)
=
FIII
(FM
3) =
MW
/LW
Bas
ic O
pera
tion
of C
asse
tte P
laye
r
Dir
ectio
n Ch
ange
Dir
ectio
n In
dica
tor
Ejec
t Not
e:•
The
Tap
e fu
nctio
n ca
n be
turn
ed O
N/O
FF w
ithth
e ca
sset
te ta
pe r
emai
ning
in th
is p
rodu
ct.
Fast
For
war
d/Re
win
d an
d M
usic
Sea
rch
•E
ach
pres
s of
the
3bu
tton
sel
ects
Fas
t fo
rwar
d or
For
war
d-M
usic
Sear
ch.
FF (
Fast
for
war
d) =
F-M
S (F
orw
ard-
Mus
ic S
earc
h) =
Nor
mal
Pla
ybac
k
•E
ach
pres
s of
the
2bu
tton
sel
ects
Rew
ind
or R
ewin
d-M
usic
Sea
rch.
RE
W (
Rew
ind)
=R
-MS
(Rew
ind-
Mus
ic S
earc
h) =
Nor
mal
Pla
ybac
k
Not
e:•
Fast
for
war
d/R
ewin
d an
d M
usic
Sea
rch
can
be c
ance
led
by p
ress
ing
the
BA
ND
butto
n.
Ban
d In
dica
tor
Freq
uenc
y In
dica
tor
Thi
s pr
oduc
t’s A
F fu
nctio
n ca
n be
sw
itche
d O
N a
nd O
FF. A
F sh
ould
be
switc
hed
OFF
for
norm
al tu
ning
ope
ratio
ns. (
Ref
er to
pag
e 13
.)
Cass
ette
Loa
ding
Slo
t
48
KEH-P4830R,P4800R
Bas
ic O
pera
tion
of M
ulti-
CD P
laye
r
Dis
c N
umbe
r Sea
rch
(for 6
-Dis
c, 1
2-D
isc
type
s)
•Y
ou c
an s
elec
t di
scs
dire
ctly
wit
h th
e 1
to 6
but
tons
. Jus
t pr
ess
the
num
ber
corr
espo
ndin
g to
the
dis
c yo
u w
ant
to li
sten
to.
Not
e:•
Whe
n a
12-D
isc
Mul
ti-C
D P
laye
r is
con
nect
ed a
nd y
ou w
ant t
o se
lect
dis
c 7
to 1
2, p
ress
the
1 to
6 bu
ttons
for
2 s
econ
ds o
r lo
nger
.
Dis
c N
umbe
r Rou
gh S
earc
h (fo
r 50-
Dis
c ty
pe o
nly)
Thi
s ha
ndy
func
tion
lets
you
sel
ect d
iscs
load
ed in
a 5
0-D
isc
Mul
ti-C
D P
laye
r us
ing
the
1 to
5 b
utto
ns. T
he 5
0 di
scs
are
divi
ded
into
fiv
e bl
ocks
, with
eac
h of
the
1 to
5 b
utto
nsas
sign
ed to
a b
lock
.
•Se
lect
the
des
ired
blo
ck w
ith
the
1 to
5 b
utto
n.
Not
e:•
Aft
er c
ompl
etin
g a
roug
h se
arch
, use
the
5an
d ∞
butto
ns to
sel
ect a
des
ired
dis
c.
Dis
play
ing
Dis
c Ti
tles
•P
ress
the
DIS
PL
AY
but
ton,
to
chan
ge t
he D
isc
Tit
le d
ispl
ay o
f th
e cu
rren
tdi
sc.
Not
e:•
If y
ou s
witc
h di
spla
ys w
hen
disc
title
s ha
ve n
ot b
een
inpu
t, “N
O T
ITL
E”
is d
ispl
ayed
.•
Rep
eat t
he p
rece
ding
ope
ratio
n to
ret
urn
to th
e no
rmal
dis
play
.
Not
e:•
The
mul
ti-C
D p
laye
r m
ay p
erfo
rm a
pre
para
tory
ope
ratio
n, s
uch
as v
erif
ying
the
pres
ence
of
adi
sc o
r re
adin
g di
sc in
form
atio
n, w
hen
the
pow
er is
turn
ed O
N o
r a
new
dis
c is
sel
ecte
d fo
rpl
ayba
ck. “
RE
AD
Y”
is d
ispl
ayed
.•
Whe
n a
mag
azin
e is
load
ed in
to a
50-
Dis
c ty
pe M
ulti-
CD
Pla
yer,
info
rmat
ion
on a
ll th
e di
scs
inth
e m
agaz
ine
is r
ead.
If y
ou s
tart
pla
ying
a d
isc
on a
50-
Dis
c ty
pe M
ulti-
CD
Pla
yer
befo
re r
eadi
ng o
f in
form
atio
n on
all d
iscs
has
bee
n co
mpl
eted
, rea
ding
of
info
rmat
ion
stop
s pa
rt w
ay th
roug
h.•
If th
e m
ulti-
CD
pla
yer
cann
ot o
pera
te p
rope
rly,
an
erro
r m
essa
ge s
uch
as “
ER
RO
R-1
4” is
disp
laye
d. R
efer
to th
e m
ulti-
CD
pla
yer
owne
r’s
man
ual.
•If
ther
e ar
e no
dis
cs in
the
mul
ti-C
D p
laye
r m
agaz
ine,
“N
O D
ISC
” is
dis
play
ed.
•“L
OA
D”
will
be
disp
laye
d in
the
follo
win
g ca
ses:
*If
the
disc
in th
e ex
tra
tray
is s
elec
ted.
*If
the
disc
is m
oved
fro
m th
e ex
tra
tray
to th
e m
agaz
ine.
(Ref
er to
the
50-D
isc
type
mul
ti-C
D p
laye
r ow
ner’
s m
anua
l.)•
You
can
not u
se th
e “E
ject
ing
a Si
ngle
Dis
c”, “
Freq
uenc
y Pl
ay”,
“M
usic
Gro
up P
lay”
, or
“AB
CD
isc
Titl
e Se
arch
” fu
nctio
ns w
ith th
is p
rodu
ct.
Bas
ic O
pera
tion
Trac
k Se
arch
and
Fas
t For
war
d/Re
vers
e
•Y
ou c
an s
elec
t be
twee
n T
rack
Sea
rch
or F
ast
forw
ard/
Rev
erse
by
pres
sing
the
2/3
butt
onfo
r a
diff
eren
t le
ngth
of
tim
e.
Tra
ck S
earc
h0.
5 se
cond
s or
less
Fast
for
war
d/R
ever
seC
ontin
ue p
ress
ing
Switc
hing
the
Mul
ti-CD
Pla
yer
Usi
ng a
mul
tiple
con
nect
ion
adap
ter
lets
you
con
nect
up
toth
ree
Mul
ti-C
D p
laye
rs.
M-C
D 1
=M
-CD
2 =
M-C
D 3
(Dis
play
ed f
or a
bout
2 s
econ
ds.)
Elap
sed
Play
Tim
e In
dica
tor
Dis
c Se
arch
Dis
c N
umbe
r Ind
icat
orTr
ack
Num
ber I
ndic
ator
Thi
s pr
oduc
t can
con
trol
one
or
mor
e m
ulti-
CD
pla
yers
. (T
here
are
som
e ty
pes
of M
ulti-
CD
pla
yers
suc
h as
“C
DX
-P63
0S”
whi
ch y
ou c
anno
t con
nect
mor
e th
an o
ne.)
49
KEH-P4830R,P4800R
GeneralPower source .......... 14.4 V DC (10.8 – 15.1 V allowable)Grounding system ........................................ Negative typeMax. current consumption ........................................ 8.5 ADimensions
(mounting size) ...... 178 (W) × 50 (H) × 155 (D) mm(front face) .............. 188 (W) × 58 (H) × 19 (D) mm
Weight ...................................................................... 1.2 kg
AmplifierMaximum power output ...................................... 40 W × 4Continuous power output .................................... 22 W × 4
(DIN45324, +B = 14.4 V)Load impedance .......................... 4 Ω (4 – 8 Ω allowable)Preout maximum output level/output impedance
.............................................................. 2.2 Vp-p/1 kΩEqualizer (3 band equalizer)
(Low) .............................................................. ±12 dB(Mid) .............................................................. ±12 dB(High) .............................................................. ±12 dB
Loudness contour(Low) ..................+3.5 dB (100 Hz), +3 dB (10 kHz)(Mid) ..................+10 dB (100 Hz), +6.5 dB (10 kHz)(High) ..................+11 dB (100 Hz), +11 dB (10 kHz)
(volume: –30 dB)
Cassette playerTape ........................ Compact cassette tape (C-30 – C-90)Tape speed ........ 4.76cm/sec.(+0.14cm/sec.,-0.05cm/sec.)Fast forward/rewinding time .... Approx. 100 sec. for C-60Wow & flutter .......................................... 0.09% (WRMS)Frequency response .......... Metal: 30 – 16,000 Hz (±3 dB)Stereo separation ...................................................... 45 dBSignal-to-noise ratio...................... 61 dB (IEC-A network)
FM tunerFrequency range ...................................... 87.5 – 108 MHzUsable sensitivity
.................. 11 dBf (1.0 µV/75 Ω, mono, S/N: 30 dB)50 dB quieting sensitivity .... 16 dBf (1.7 µV/75 Ω, mono)Signal-to-noise ratio ...................... 70 dB (IEC-A network)Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo)Frequency response ...................... 30 – 15,000 Hz (±3 dB)Stereo separation .......................... 40 dB (at 65 dBf, 1 kHz)
MW tunerFrequency range ...................................... 531 – 1,602 kHzUsable sensitivity .............................. 18 µV (S/N: 20 dB)Selectivity .................................................. 50 dB (±9 kHz)
LW tunerFrequency range ........................................ 153 – 281 kHzUsable sensitivity .............................. 30 µV (S/N: 20 dB)Selectivity .................................................. 50 dB (±9 kHz)
Note:• Specifications and the design are subject to
possible modification without notice due toimprovements.
8.2 SPECIFICATIONS