Post on 11-Mar-2020
1. PICTURE TUBE Size : 19 inch (Flat Square Tube)DefIection Angle : 90°Neck Diameter : 29.1mmTransmission : 52%Dot Pitch : 0.26mmFace Treatment : E-Coating
2. SIGNAL2-1. Horizontal & Vertical Sync
1) Input Voltage Level : Low=0~1.2V, High=2.5~5.5V2) Sync Polarity : Positive or Negative3) Composite Sync Signal4) SOG (Sync On Green)
2-2. Video Input Signal1) Voltage Level : 0 ~ 0.7 Vp-pa) Color 0, 0 : 0 Vp-pb) Color 7, 0 : 0.467 Vp-pc) Color 15, 0 : 0.7 Vp-p
2) Input Impedance : 75 Ω3) Video Color : R, G, B Analog4) Signal Format : Refer to the Timing Chart
2-3. Signal Connector15-pin Attached Connector
2-4. Scanning FrequencyHorizontal : 30 ~ 96kHzVertical : 50 ~ 160Hz
3. POWER SUPPLY3-1. Power Range
AC 100~240V , 50Hz, 1.5A Max. 3-2. Power Consumption
4. DISPLAY AREA4-1. Active Video Area :
• Max Image Size - 365.8 x 274.3mm (14.40" x 10.80")• Preset Image Size - 350x 262 mm (13.78" x 10.31")
4-2. Display Color : Full Colors4-3. Display Resolution : 1600 x 1200 / 75Hz
(Non-Interlace)4-4. Video Bandwidth : 202 MHz
5. ENVIRONMENT5-1. Operating Temperature: 15°C ~ 30°C (Ambient)5-2. Relative Humidity : 8%~ 80%
(Non-condensing)5-3. Altitude : 5,000m
6. DIMENSIONS (with TILT/SWIVEL)Width : 448.0mm (17.64 inch)Depth : 476.0mm (18.74 inch)Height : 465.0mm (18.31 inch)
7. WEIGHT (with TILT/SWIVEL)Net Weight : 21.0kg (46.30 lbs.)Gross Weight : 25.0kg (55.12 lbs.)
MODE
NORMAL (ON)
STAND-BY
SUSPEND
OFF
H/V SYNC
ON/ON
OFF/ON
ON/OFF
OFF/OFF
POWER CONSUMPTION
less than 130W
less than 8W
less than 8W
less than 3W
LED COLOR
GREEN
AMBER
AMBER
SPECIFICATIONS
TIMING CHART
- 4 -
VIDEO
SYNCD
A
EF
BC
kHz
µs
µs
µs
µs
µs
µs
Hz
ms
ms
ms
ms
ms
ms
MODE 1
–
43.269
23.112
17.778
5.334
1.556
1.556
2.222
–
85.008
11.763
11.093
0.670
0.023
0.069
0.578
640X
480
85Hz
Yes
MODE 2
+
53.674
18.631
14.222
4.409
0.569
1.138
2.702
+
85.061
11.756
11.178
0.578
0.019
0.056
0.503
800X
600
85Hz
Yes
MODE 3
+
68.677
14.561
10.836
3.725
0.508
1.016
2.201
+
84.997
11.765
11.183
0.582
0.015
0.044
0.523
1024X
768
85Hz
Yes
MODE 4
+
91.146
10.971
8.127
2.844
0.406
1.016
1.422
+
85.024
11.762
11.235
0.527
0.011
0.033
0.483
1280X
1024
85Hz
Yes
MODE 5
+
93.750
10.666
7.901
2.765
0.316
0.948
1.501
+
75.000
13.333
12.800
0.533
0.011
0.032
0.490
1600X
1200
75Hz
Yes
MODE 6
SOG
68.677
14.561
10.836
3.725
0.508
1.016
2.201
SOG
84.997
11.765
11.183
0.582
0.015
0.044
0.523
1024X
768
85Hz
No
MARK
A
B
C
D
E
F
A
B
C
D
E
F
VESA SOG CHECK
MODE
FACTORY PRESET MODE
Resolution
Recall
H
O
R
I
Z
O
N
T
A
L
V
E
R
T
I
C
A
L
Sync Polarity
Frequency
Total Period
Video Active Time
Blanking Time
Front Porch
Sync Duration
Back Porch
Sync Polarity
Frequency
Total Period
Video Active Time
Blanking Time
Front Porch
Sync Duration
Back Porch
WIRING DIAGRAM
- 9 -
Signal Cable
P901
WG1
P303P308
P302
P305
P301
P304
P402P902
P401
P201
Degaussing Coil
CDT Earth
DY-Pin
DY Assembly Screw
Anode Cap
P702P702-1
BLOCK DIAGRAM
- 13 -
PO
WE
R IN
PU
T10
0~24
0VA
C(5
0/60
Hz)
Line
Filt
er
Deg
auss
ing
Circ
uit
< O
SD
Con
trol
>
SM
PS
TR
AN
S(T
901)
SM
PS
CO
NT
RO
L(I
C90
1)
DP
MC
ON
TR
OL
CIR
CU
IT
190V
25V
-12V
-12V
125V
80V
15V
12V
6.3V
5V
TIL
TC
ontr
olC
ircui
t
6.3V
12V
E2 P
RO
M(I
C40
2)
H /
V P
OS
ITIO
NH
/ V
SIZ
ES
PC
CT
RA
PIZ
OD
EP
IN B
ALA
NC
EP
AR
ALL
ELO
GR
AM
TIL
TR
EC
ALL
DE
GA
US
SC
OLO
R C
ON
TR
OL
MO
IRE
LAN
GU
AG
EIN
FO
RM
AT
ION
VID
EO
LE
VE
LO
SD
PO
SIT
ION
5V
OS
D IC
(IC
301)
H-S
ync
Sig
V-S
ync
Sig
I2C
DA
TA
(SD
A)
I2C
CLO
CK
(SC
L)
VID
EO
PR
E-A
MP
(IC
302)
Sig
nal
Cab
leR G B
VID
EO
MA
IN A
MP
(IC
303)
12V
CU
T O
FF
CO
NT
RO
L
125V 8V
5V H/V
Syn
c P
roce
ssor
( IC
701
)T
DA
4856
V-O
UT
( IC
601)
TD
A48
63
H-O
UT
( Q
708)
H-L
inea
rity
Cor
rect
ion
DC
/DC
Con
vert
er
X-R
AY
Pro
tect
ion
Circ
uit
FB
T(
T70
1 )
Dyn
amic
Foc
usC
ircui
t
Aut
oB
eam
Lim
it
Ver
tical
Bla
nkin
g,B
right
ness
Con
trol
-120
V
30V
700V
H.V
CO
NT
RO
L
DU
MM
YT
RA
NS
12V
25V
MIC
OM
(IC
401)
SC
L / S
DA
H/V
Syn
c,P
WM
Con
trol
Sig
12
V
15V
-12V
190V
DY
CD
T
Hea
ter
( 6.
3V )
I2C
I2C
I2C
H/V
Syn
c
G1Screen
Dynamic FocusStatic Focus
H.V
R/G
/B
Bia
sR
/G/B
Con
tras
t H-D
RV
B-D
RV
12V
TILT COIL
DEGAUSSINGCOIL
I2C
VO
LTA
GE
FE
ED
BA
CK
DESCRIPTION OF BLOCK DIAGRAM
- 14 -
1. Line Filter & Associated Circuit.
This is used for suppressing noise of power input lineflowing into the monitor and/or some noise generatedin this monitor flowing out through the power input line.That is to say, this circuit prevents interferencebetween the monitor and other electric appliances.
2. Degauss Circuit & Coil.
The degauss circuit consists of the degaussing coil,the PTC (Positive Temperature Coefficient) thermistor(TH901), and the relay (RL901). This circuit eliminatesabnormal color of the screen automatically bydegaussing the slot mask in the CDT when turn on thepower switch.When you need to degauss while using the monitor,select DEGAUSS on the OSD menu.
3. SMPS (Switching Mode Power Supply).
This circuit works with power of 100~240V or200~240V (50/60Hz).
The operation procedure is as follows:
1) AC input voltage is rectified and smoothed by the bridge diode (D901) and the capacitor (C907).
2) The rectified voltage (DC voltage) is applied to the primary coil of the transformer (T901).
3) The control IC (IC901) generates switching pulse toturn on and off the primary coil of the transformer
(T901) repeatedly.
4) Depending on the turn ratio of the transformer, the secondary voltages appear at the secondary coil ofthe transformer (T901).
5) These secondary voltages are rectified by each diode (D906, D907, D908, D909, D910, D911,D912, D913) and operate the other circuits.(Deflection, Video Amplifier, etc.)
4. Display Power Management Circuit.
This circuit control power consumption of the monitorby detecting H and V sync signal. There are stand-byand suspend mode. When no horizontal or verticalsync signal input, the circuit consists of Q930 andQ907 becomes stand-by and suspend mode. It’spower consumption is below 8W. When no horizontaland vertical sync signal input, it’s power consumptionis below 3W.
5. X-ray Protection.
This circuit detects the rectified DC voltage comesfrom the FBT pin 4. If the high voltage of the FBTreaches up to about 30kV (abnormal state),Micom(IC401) detects. It stops B+ voltage supplied tothe FBT (T701), and high voltage is not be generated,(In the normal state, the high voltage is about 26kV.)
6. Micom(Microprocessor) Circuit.
The operating procedure of Micom (Microprocessor)and its associated circuit is as follows:
1) H and V sync signal is supplied from Signal Cable to theMicom (IC401).
2) The Micom (IC401) distinguishes polarity andfrequency of H and V sync.
3) The Micom controls each OSD function signals. (H-size, H-position, V-size, etc.)
4) The controlled data of each mode is stored in IC402.User can adjust screen condition by each OSDfunction. The data of the adjust screen condition isstored automatically.
7. Horizontal and Vertical Synchronous Processor.
This circuit generates the horizontal drive pulse andthe vertical drive pulse by taking sync-signal fromSignal Cable. This circuit consists of theTDA4856(IC701) and the associated circuit.
8. Oscillating Circuit for D/D Converter.
This circuit generates the pulse wave which has thehorizontal period by taking the output of the TDA4856(IC701).
9. D/D (DC to DC) Converter.
This circuit supplies DC voltage to the horizontaldeflection output circuit by decreasing DC 190V whichis the secondary voltage of the SMPS in accordancewith the input horizontal sync signal.
10. Side-Pincushion Correcting Cirucit.
This circuit improves the Side-pincushion of the screenby mixing east-west wave to the output of thehorizontal deflection D/D converter which is used forthe supply voltage source (B+) of the deflection circuit.
- 15 -
11. D/D Drive & Convert Circuit.
This circuit is used for supplying B+ voltage tohorizontal deflection output transistor (Q709). Thiscircuit makes to add side-pincushion correcting signalto B+ voltage.
12. Horizontal Deflection Output Circuit.
This circuit makes the horizontal deflection bysupplying the saw-tooth current to the horizontaldeflection yoke.
13. High Voltage Output & FBT (Flyback Transformer).
The high voltage output circuit is used for generatingpulse wave to the primary coil of the FBT (FlybackTransformer (T701)). A boosted voltage (about 26kV)appears at the secondary of the FBT and it is suppliedto the anode of the CDT.And there are another output voltages such as thedynamic focus voltage.
14. H-Linearity Correction Circuit.
This circuit corrects the horizontal linearity for eachhorizontal sync frequency.
15. Vertical Output Circuit.
This circuit takes the vertical wave from the TDA4856(IC701) and performs the vertical deflection bysupplying the saw-tooth wave current from theTDA8172 (IC601) to the vertical deflection yoke.
17. Dynamic Focus Output Circuit.
This circuit takes H and V parabola wave from theTDA4856 (IC701), and amplifies these waves to offerto the FBT (T701).
18. H & V Blanking and Brightness Control.
This circuit eliminates the retrace line by supplying anegative pulse to the G1 of the CDT. The brightnesscontrol circuit is used to control of the screenbrightness by changing the DC level of G1.
19. Image Rotation (Tilt) Circuit.
This circuit corrects the tilt of the screen by supplyingthe image rotation signal to the tilt coil which isattached to the CDT near the deflection.
20. Static Convergence Control Circuit.
This circuit corrects the convergence of the screen bysupplying the convergence signal to the 4H (STC) coilwhich is attached to the CDT near the deflection.
21. Moire Reduction Circuit
This circuit reduce interference between the periodicaldisplay pattern and the CDT's slot (or dot).The positions of every other one dot video signalbeams (red, green, and blue beam) are shifted finely,thus reducing interference.
22. OSD Circuit.
This circuit is used for performing the OSD (On-Screen- Display) function.When a user selects the OSD Select/Adjustmentcontrol, the adjustment status displays on the screen.
23. Video Pre-Amp Circuit.
This circuit amplifies the analog video signal from 0-0.7V to 0-4V. This circuit is operated by taking theclamp, R, G, B drives, and contrast signals from theMicom (IC401).
24. Video Output Amp Circuit.
This circuit amplifies the video signal which comesfrom the video pre-amp circuit and amplified videosignal is applied to the CDT cathode.
TROUBLESHOOTING GUIDE
- 18 -
1. NO POWER
NO POWER(POWER INDICATOR OFF)
TROUBLE INIC901
TROUBLE IN FUSE (F901)
TROUBLE IN D902, D903, D904
CHECKFUSE OK?
CHECKC907 (+) VOLTAGE?
(390VDC)
NO
YES
YES
NO
NO
CHECKD902, D903, D904
VOLTAGE?
- 19 -
2. NO CHARACTER
CHECK IC302 PIN 3, 8, 12 (12V),
PIN 17 (5V)?
CHECK IC302 PIN 2, 6, 11 ?
CHECK IC302 PIN 29, 32, 35 ?
TROUBLE INP302,5V, 12V LINE
TROUBLE INPC SIGNAL,SIGNAL CABLE
TROUBLE INIC302
TROUBLE IN CDT SOCKET
NO
YES
NO
NO
YES
YES
CHECK R, G, B CATHODE
VOLTAGE?
TROUBLE INIC303
NO
YES
NO CHARACTER
- 20 -
3. NO RASTER
NO VIDEO(POWER INDICATOR GREEN or ORANGE)
CHECK POWER INDICATOR
GREEN or ORANGE ?
CHECKSCREEN CONTROL
KNOB OF FBT
CHECKVOLTAGE AT
D912 CATHODE (190V)D909 CATHODE (85V)
IC904 OUT (12V)D906 CATHODE
(6.3V)?
CHECKIC401 (MICOM) PIN 2
5V (HIGH), IC701 PIN 10 12V (HIGH)?
ROTATE SCREENCONTROL KNOB TOCLOCKWISE
TROUBLE INIC401 (MICOM),IC701
TROUBLE INCDT SOCKET, BOARD
TROUBLE IN PRIMARYCIRCUIT OF T901
TROUBLE IN P302 SIGNAL CABLE
ORANGE
MIN.(Counter-clockwise)
GREEN
OK
YES
NO
YES
NO
- 21 -
4. NO VERTICAL DEFLECTION
NO V-DEFLECTION(ONE HORIZONTAL LINE)
CHECKIC601 Pin 1
(15V) ?
CHECK IC601 PIN 4
(-12V)?
TROUBLE IN T901 PIN 15
TROUBLE INT901 PIN 16
TROUBLE INIC601, V-CIRCUIT
NO
NO
YES
YES
CHECK IC701 PIN 12
(SAWTOOTH WAVE)?TROUBLE INIC701
NO
YES
- 22 -
5. TROUBLE IN DPM
CHECK IC401 (MICOM)
PIN 42, 1 (H/V INPUT)SIGNAL?
CHECK IC401 PIN 6, 7WAVEFORM?
CHECK IC401 PIN 5(5V, HIGH)?
CHECK IC401 PIN 19, 21 ?
CHECK PC,(PC IS NOT GOING INTODPM MODE)
TROUBLE INX401, IC401
TROUBLE INIC401
TROUBLE INIC401
TROUBLE IN T901 or PC
NO H / V SYNC SIGNAL
INPUT H/V SYNC
NO
NO
NO
DPMS TABLE
Mode Item
NORMAL
STAND-BY
SUSPEND
OFF
H / V SYNC
ON / ON
OFF / ON
ON / OFF
OFF / OFF
LED
GREEN
ORANGE
ORANGE
ORANGE
VIDEO
NORMAL
OFF(0V)
OFF(0V)
OFF(0V)
YES
YES
CHECK B+ LINE
(12V, 15V, 80V, 5V) ?
TROUBLE INQ930, Q907
NO
YES
STAND-BY/SUSPEND/OFF MODE FAILURE
- 23 -
6. NO DEGAUSSING
CHECK IC401 PIN 14
(5V)?
CHECK Q908 COLLECTOR
VOLTAGE(0.5V)?
CHECK P901?
CHECK RL901?
TROUBLE IN IC401 (MICOM)
TROUBLE IND914
TROUBLE INP901
TROUBLE INRL901
TROUBLE IN TH901, DEGAUSSING COIL
NO DEGAUSSING ( BUTTON MUST BE PRESSED.)
NO
NO
NO
NO
YES
YES
YES
YES
- 24 -
7. NO TILT (ROTATION)
TROUBLE IN P303, TILT COIL CONNECTOR, TILT COIL
NO TILT (ROTATION)
TROUBLE IN D913
TROUBLE INQ315
CHECKC335 VOLTAGE
(12V) ?
NO
YES
YES
CHECKQ315 ? NO
TROUBLE INIC301 (OSD IC)
YES
CHECKIC301 ?
NO
- 25 -
8. TROUBLE IN OSD
CHECKIC301 PIN 5
(NEGATIVE H-PULSECOMES IN ?)
CHECKIC301 PIN 18
(NEGATIVE V-PULSECOMES IN?)
CHECKIC301 PIN 13, 14, 15
(IS THERE ANY SIGNALWHEN OPERATING FRONT
CONTROL ?)
NO OSD
TROUBLE INIC302
TROUBLE INP302
TROUBLE INP302
TROUBLE INIC301, IC401
YES
YES
YES
NO
NO
NO
CHECKIC301 PIN 4, 17
(5V) ?
TROUBLE IN P302
NO
YES
ADJUSTMENT
- 16 -
GENERAL INFORMATION
All adjustment are thoroughly checked and correctedwhen the monitor leaves the factory, but sometimesseveral adjustments may be required. Adjustment should be following procedure and afterwarming up for a minimum of 30 minutes.
• Alignment appliances and tools.- IBM compatible PC.- Programmable Signal Generator.
(eg. VG-819 made by Astrodesign Co.)- EPROM or EEPROM with saved each mode data.- Alignment Adaptor and Software.- Digital Voltmeter.- White Balance Meter.- Luminance Meter.- High-voltage Meter.
AUTOMATIC AND MANUAL DEGAUSSINGThe degaussing coil is mounted around the CDT so thatautomatic degaussing when turn on the monitor. But amonitor is moved or faced in a different direction, becomepoor color purity cause of CDT magnetized, then press
(DEGAUSSING) on the OSD menu.
ADJUSTMENT PROCEDURE & METHOD
- Install the cable for adjustment such as Figure 1and run the alignment program on the DOS for IBM compatible PC.
- Set external Brightness and Contrast volume to max position.
1. Adjustment for B+ Voltage.
1) Display cross hatch pattern at Mode 4.2) Adjust C913 (+) voltage to 190V ± 0.5V with VR901.
2. Adjustment for High-Voltage.
1) Display cross hatch pattern at Mode 4.2) Adjust CDT Anode voltage to 26kV ± 0.2kV with
VR701.
3. Adjustment for Factory Mode (Preset Mode).
1) Display cross hatch pattern at Mode 1~6.2) Run alignment program for CB995D on the IBM
compatible PC. 3) EEPROM → ALL CLEAR → Y(Yes) command.
<Caution> Do not run this procedure unless the EEPROM is changed. All data in EEPROM (mode data and color data) will be erased.
4) COMMAND → PRESET START → Y(Yes) command.5) DIST. ADJ. → FOS. ADJ command.
6) Adjust H-POSITION as arrow keys to center of thescreen.
7) Adjust H-SIZE as arrow keys to 350 ± 2mm.8) Adjust V-POSITION as arrow keys to center of the
screen.9) Adjust V-SIZE as arrow keys to 262 ± 2mm.10) Adjust SIDE-PIN(Side-Pincushion) as arrow keys to
be the best condition.11) Adjust TRAPEZOID as arrow keys to be the best
condition.12) Adjust TILT as arrow keys to be the best condition.13) Display cross hatch pattern at Mode 4.14) DIST. ADJ. → BALANCE DATA command.15) Adjust balance of PIN-BALANCE as arrow keys to
be the best condition. 16) Adjust parallelogram as arrow keys to be the best
condition.17) Save of the Mode.18) Save of the System.19) Display from Mode 4 and repeat above from
number 5) to 16).20) COMMAND → PRESET EXIT → Y (Yes) command.
5. Adjustment for White Balance and Luminance.
1) Set the White Balance Meter.2) Press the (DEGAUSSING) on the OSD menu for
demagnetization of the CDT.3) Display color 0,0 pattern at Mode 4.4) COLOR ADJ. → LUMINANCE command of the
alignment program.5) Set OSD Bightness and Contrast data to max data.6) COLOR ADJ. → BIAS ADJ. command of the
alignment program.7) Check whether blue color or not at R-BIAS and G-
BIAS to min position, B-BIAS to 130 (decimal)position and Sub-Bightness to max position. If it'snot blue color, the monitor must repair.
8) Adjust Screen control on the FBT to 0.1 ± 0.02FL ofthe raster luminance.
9) Adjust R-BIAS and G-BIAS command to x=0.283 ±0.006 and y=0.298 ± 0.006 on the White BalanceMeter with PC arrow keys.
10) Adjust SUB-Brightness command to 0.40 ± 0.05FLof the raster luminance.
11) Display color 15,0 box pattern(70x70mm) at mode 4.12) Set Brightness and Contrast to max.13) DRIVE ADJ command.14) Set B-DRIVE to 130(decimal) at DRIVE of the
alignment program.15) Adjust R-DRIVE and G-DRIVE command to white
balance x=0.283 ± 0.003 and y=0.298 ± 0.003 onthe White Balance Meter with PC arrow keys.
- 17 -
16) Adjust SUB-CONTRAST command to 47 ± 1FL ofthe color 15,0 window pattern (70x70mm)luminance at Mode 4.
17) Display color 15,0 full white patten at Mode 4.18) Set the Brightness and Contrast to max.19) COLOR ADJ. → LUMINANCE → ABL command.20) Adjust ABL to 32 ± 1FL of the luminance.21) Exit from the program.
6. Adjustment for Focus.
1) Display H character in full screen at Mode 4.2) Adjust two Focus control on the FBT that focus
should be the best condition.
Figure 1. Cable Connection
220
Monitor to beadjusted
VideoSignal Generator
IBMCompatible PC
Parallel Port
Power inlet (required)
Power LED
ST Switch
Power Select Switch(110V/220V)
Con
trol
Lin
e
Not u
sed
RS232
C
PARAL
LEL
V-SY
NC
POW
ER
ST
VGS
MONITOR
E
E
V-Sync On/Off Switch(Switch must be ON.)
F
F
A
A
B
B
C
C
15105
5
69
1
1
1
14
13
25
6
5V
5V
5V
4.7K4.7K
4.7K
74LS06
74LS06
OFF ON
OFF
ON
11
DISASSEMBLY
- 10 -
(a)
(a)
(b)
(c)
(b)
3. TOP SHIELD REMOVAL1) Remove eight screws (a).
2. BACK COVER REMOVAL1) Remove two screw caps (a).2) Remove four screws (b).3) Remove Cable Cap (c).4) Slide the Back Cover away from the Front
Cabinet of the monitor.
(a)
(a)
(a)
(a)
(a)
(a)
(a)
(a)
(a)
(b)
1. TILT/SWIVEL REMOVAL1) Set the monitor face downward.2) Remove two screws (a).3) Pressing the latch (b), carefully remove
the Tilt/Swivel by pulling it upward.
- 11 -
Anode Cap
Signal Cable
P304
P201-(Control PCB)
P402
P701
P401
Degaussing Coil
CDT Earth
DY-Pin
(to P303)
(to P304)
P303
P308P302P301
P305Pin (c)
(a)
(a)
(a)
(a)
(b)
DY Assembly Screw
(b) P901
P702-1
4. TOTAL CHASSIS ASSEMBLY REMOVAL1) Disconnect P901 (Degaussing pin), P701 (DY pin) and P402 from the Main PCB.2) Disconnect CDT Earth Pin, P303, P304 from the Video PCB.3) Disconnect Pin (c) from the DY Assembly screw.4) Carefully separate the CDT Board Assembly from the CDT neck.5) Discharge the remaining static electricity by shorting between the Anode Cap and the CDT ground.6) Disconnect the Anode Cap from the CDT.7) Remove four screws (a). 8) Remove two screws (b). 9) Remove the Front Cabinet and the CDT set from the Main Total Assembly.10) Disconnect P301, P302 and P308, P305 from the Video PCB.11) Remove the Video Ass’y from the Main Total Ass’y.
- 12 -
6. BOTTOM BRACKET REMOVAL1) Remove two screws (a).2) Remove two screws (b).3) Remove screw (c) and Metal Fix.4) Remove the Bottom Bracket.
(a)
(a)
(c)
(b)
(b)
5. CONTROL PCB ASSEMBLY REMOVAL1) Remove three screws (a). 2) Remove the Control PCB Assembly
from the Front Cabinet.
(a)
CONTROL LOCATIONS
- 8 -
13
4
56
7CONTROL
MAIN
8
9
2
No.
1
2
3
4
5
No.
6
7
8
9
Ref. No.
SW201
SW202
SW203
SW204
SW205
Ref. No.
SW206
SW207
VR901
VR701
Control Function
OSD BUTTON
OSD SELECT/ADJUSTMENT (LEFT)
OSD SELECT/ADJUSTMENT (UP)
SET BUTTON
OSD SELECT/ADJUSTMENT (DOWN)
Control Function
OSD SELECT/ADJUSTMENT (RIGHT)
POWER BUTTON
B+ ADJUSTMENT
HIGH-VOLTAGE ADJUSTMENT
EXPLODED VIEW
C
A
B
7
6
11
1314
14
18
17
9-1
5-1
12
8
110
10
10
10
15
2
3
4
5
16
9
EXPLODED VIEW PARTS LIST
Ref. No.
1
2
3
4
5
5-1
6
7
8
9
9-1
10
11
12
13
14
15
16
17
18
A
B
C
Part No.
3091TKC043A
2423GG2E91S
6868T19001F
339-002H
4951TKS045D
6140TC2006A
6174T11002C
6200TJB003B
4951TKK028A
4951TKS030L
4810TKM040A
332-102A
4951TKK015B
6871TST182A
4815TKT010B
3550TKK069A
3809TKC025A
332-102J
4810TKK116A
3043TKK046B
6871TMT180B
6871TVT196A
3313T19023B
Description
CABINET ASS'Y CB995D BRAND TKC042
CDT SET, M46QCG913X 02NPUD
CDT EARTH, CB995D TIN WIRE BRAID(128)
SCREW ASS’Y, PHP+5x20+GW18
METAL ASS’Y, FRAME CB995C
COIL, DEGAUSSING, 1330 MM 16.5 OHM 0.45
FBT, Y268069(HFL1127RD) HITACHI 19”
EMI, BNS-02AA2 LR-3
METAL ASS’Y, REAR
METAL ASS’Y, SHIELD
BRACKET, CB995D MAIN BOARD
SCREW, PTP+4x8(MSWR/FZMY)
METAL ASS’Y, FRAME BOTTOM
PWB(PCB) ASS’Y, SUB, CB995D XIGC BRAND
SHIELD ASS’Y TOP(19” MODEL)
COVER, CB995B SCREW RIGHT
BACK COVER ASS’Y, CB995D TKC026 TCO99
SCREW, PTP+4x20
BRACKET, CB995C HOLDER SIGNAL CABLE
TILT SWIVEL ASS’Y, CB995B 3042TKT039
MAIN PCB ASS'Y, CB995D XIGC LM2402 BRAND CA-84 TOTAL.
PWB(PCB)ASS'Y, VIDEO CB995D XIGC
MAIN TOTAL ASS’Y, CB995D BRAND CA-84 LM2402