Panasonic WV-CM1020 User manual

SPECIFICATIONS
Power Source : 220 - 240 V AC, 50 Hz
Power Consumption : Approx. 47 W
Screen Size : 250 mm (9-13/16”) diagonal tube screen size, 90˚ deflection
223 mm (8-3/4”) diagonal actual visual size
Horizontal Resolution : 300 TV lines at center
Video Input : 1.0 V[p-p] composite/75 Ω, BNC with Auto Termination
Audio Input : –8 dB/Hi-z, RCA standard jack
Speaker Output : 0.5 W
Sweep Linearity : Horizontal: Less than 5 %
Vertical: Less than 5%
Sweep Geometry : Less than 2 %
Ambient Operating Humidity : Less than 90 %
Ambient Operating Temperature : –10˚C - +50˚C (14˚F – 122˚F)
Dimensions : 220(W) x 220 (H) x 309(D)mm [8-11/16”(W)x8-11/16”(H)x12-3/16”(D)]
Weight : 6.5 kg (14.3 lbs.)
Weights and dimensions shown are approximate.
Specifications are subject to change without notice.
OPTIONAL ACCESSORY
Rack Mount Bracket ......................................................... WV-Q52AE
WV-CM1020
ORDER NO. AVS0002229C8
ONA
B
OFF
POWERINPUT
MENU
–+
AUDIO
Video Monitor WV-CM
C2000 Matsushita Communication Industrial Co., Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
Video Monitor

This service information is designed for experienced repair technicians only and is not designed for use by the
general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to
service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any
attempt to service or repair the product or products dealt with in this service information by anyone else could
result in serious injury or death.
Y WARNING
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK). NO USER
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
This symbol warns the user that uninsulated voltage within
the unit may have sufficient magnitude to cause electric
shock.Therefore, it is dangerous to make any kind of contact
with any inside part of this unit.
This symbol alerts the user that important literature concerning
the operation and maintenance of this has been included.
Therefore, it should be read carefully in order to avoid
any problems.
There are special components used in this equipment which are important for safety. These parts are indicated
by the ”Y”mark on the schematic diagram and the replacement parts list. It is essential that these critical
parts should be replaced with manufacturer's specified parts to prevent X-radiation, shock, fire, or other hazards.
Do not modify the original design without permission of manufacture.
IMPORTANT SAFETY NOTICE

CONTENTS
Major Operating Controls and Their Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Adjustment Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Location of Test Points and Adjusting Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Conductor View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Replacement Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

– 1 –
MAJOR OPERATING CONTROLS AND THEIR FUNCTIONS
ON A
B
OFF
POWER INPUT
MENU
–+
AUDIO Video Monitor WV-CM
FOCUS VIDEO B
IN
OUT
VIDEO A
IN AUDIO IN
OUT OUT
AC IN
q u oi !5!0!1!2!3 !4w r t ye
qPower Switch (POWER, ON/OFF)
This is a push-push type switch which turns the power of
this monitor on and off.
Press once (switch remains down (;)) to turn on the
power of the monitor.
Press again (switch comes up (l)) to turn off the power
of the monitor.
Note: There may be a delay of several seconds until the
monitor display comes on.
wPower Indicator
This Indicator is on when the monitor‘s power is turned
on.
eInput Signal Select Switch (INPUT A/B)
This is a push-push type switch which selects the signal
input A or B.
Press once (switch remains down (;)) to select the
INPUT B signal.
Press again (switch comes up (l)) to select the INPUT
A signal.
rMenu Button (MENU)
Press to display the setup menu.
tCursor Buttons (D,C)
Press these buttons to select a parameter by moving the
cursor up or down in the parameter rows.
yIncrement/Decrement Buttons (AUDIO –, +)
• Setup screen adjustment (Menu displayed)
Press these buttons to adjust the level of an item select-
ed in the setup menu.
Note: If you select NORMAL SETTINGS in the Setup
menu, and press the Increment/Decrement button
(–) or (+), all menu parameters will be restored to
the factory default settings.
• Audio adjustment (Menu not displayed)
Press these buttons to increase or decrease the sound
volume.
uFocus Control (FOCUS)
This control adjusts the screen focus.
iScreen Control
This control is preset at the factory.
oAudio Input Connector (AUDIO IN)
For input of audio signal from an outboard device.
!0 Audio Output Connector (AUDIO OUT)
The audio input signal connected to the audio input con-
nector ois looped through to this connector.
!1 Video A input Connector (VIDEO A IN)
For input of the PAL composite video signal from an out-
board device.
!2 Video A output Connector (VIDEO A OUT)
The video input signal connected to the video input con-
nector !1 is looped through to this connector and termi-
nated automatically.
!3 Video B input Connector (VIDEO B IN)
For input of the PAL composite video signal from an out-
board device.
!4 Video B output Connector (VIDEO B OUT)
The video input signal connected to the video input con-
nector !3 is looped through to this connector and termi-
nated automatically.
!5 AC Connector (AC IN)
Connector for AC power supply cord.

– 2 –
ADJUSTMENT PROCEDURE
1. Test Equipments Required
8The following Test Equipments are required for
adjustment of the Colour Video Monitor WV-CM1020.
8Video Signal Generator
Colour Bar Signal
Grayscale Signal (8 stair steps)
Crosshatch Signal or Dot Signal
White Raster Signal
Red, Green, Blue each Raster Signal
8Monoscope Pattern Signal Generator
8Audio Analyzer
8Oscilloscope
8Digital Voltmeter
8Degaussing Coil
8Ceramic Screwdriver
8Electric Torque Driver
2. Disassembling Procedure for the
Adjustment
8Referring to Fig. 2-1, remove seven screws that secure
the Upper Cover and remove the Upper Cover.
Fig. 2-1
3. Connection and Setting up for
Adjustment
3.1. Connection
8Fig. 3-1 shows the connecting diagram for adjustment
procedure of the WV-CM1020.
Remove seven screws.
Upper Cover
Fig 3-1
8Connect the coaxial cable between Video Input Connector
of the WV-CM1020 and Video Output Connector of Video
Signal Generator.
8The Fig. 3-2 shows the connecting diagram for the Audio
section adjustment procedure.
Fig 3-2
8Connect the Oscillator Output terminal of the Audio
Analyzer and the Audio Input Connector of the WV-
CM1020.
8Disconnect the Speaker from CN601 on the Main Board.
8Connect the Input terminal of the Audio Analyzer and the
Audio Output Connector of the WV-CM1020 through
Selector (Audio Out or Speaker Out) SW1.
8Terminate the Speaker Output signal with 8 Ω3W.
8After completion of adjustment, connect the Speaker to
CN601 on the Main Board.
3.2. Setting Up
8This adjustment should be done after 20 minutes warm up
of the WV-CM1020.
< Initial Setting >
8Turn the Power Switch on.
8Select the Cursor Buttons (i) or (o) to the NORMAL
SETTINGS position.
8Press the Increment Button (+) or Decrement Button (–),
and then all the setting are initialized.
8Turn the Power Switch off.
WV-CM1020
Video Signal Generator
VIDEO IN
WV-CM1020 (Main Board)
SW1
OSC
OUT IN
AUDIO ANALYZER
AUDIO
OUT SPEAKER
OUT
8 Ω / 3 W
31
AUDIO
IN AUDIO
OUT MONITOR CN601

–3 –
< Service Menu >
8Turn the Power Switch on while pressing the Increment
Button (+), the Decrement Button (–) and the MENU
Button simultaneously, and enter to the Service Menu
mode.
8Press the MENU Button once, and enter to the DEF
MENU.
8The item of the DEF MENU changes as shown in Fig. 3-3.
Fig. 3-3
8Press the MENU Button once, and enter to the W/B
MENU.
8The item of the W/B MENU changes as shown in Fig. 3-4.
Fig. 3-4
8Press the MENU Button once, and enter to the SUB
MENU.
8The item of the SUB MENU changes as shown in Fig. 3-5
Fig. 3-5
8Press the MENU Button once, and enter to the ADJ
MENU.
8The ADJ MENU is as shown in Fig. 3-6.
Fig. 3-6
4. Adjustment Procedure
8Refer to the Location of the Test Points and
Adjusting Controls on the page 8.
(1). 120V Adjustment
Test Point: TP804 (120V) CRT Board
Adjust: +B Increment Button (+)
Decrement Button (–)
SCREEN Control
Flyback Transformer on the Main Board
8Supply the Monoscope Pattern signal to Video Input
Connector.
8Connect the Digital Voltmeter to TP804.
8Select the MENU Button to the DEF MENU.
8Select the Cursor Buttons (i) or (o) to the +B position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that +B becomes 65.
8Adjust the SCREEN control so that the stair step of the
Monoscope pattern is visibly certain.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the DC voltage at TP804 becomes 120 ± 0.2 V.
8Supply the Grayscale signal to Video Input Connector.
8Select the Cursor Buttons (i) or (o) to the ABL IN
position, and then the reference voltage is inputted to the
micro computer.
8Select the MENU Button to the ADJ MENU.
8Select the Cursor Buttons (i) or (o) to the MENU END
position.
8Press the Increment Button (+) or Decrement Button (–)
for saving data.
8Turn the Power Switch off.
1 STD BRIGHT 70
2 MAX CONTRAST 76
3 STD COLOUR 72
4 MAX AUDIO 163
Pressing
the Cursor Button (o)
Pressing
the Cursor Button (i)
ADJ MENU
ABL/ACL ACL
ALL RESET ON
MENU END NO SAVE
1 CUTOFF R 0 197
2 CUTOFF G 78
3 CUTOFF B 0 124
4 DRIVE R 189
5 DRIVE B 112
6 SERVICE SW OFF
Pressing
the Cursor Button (o)
Pressing
the Cursor Button (i)
1 H CENTER 9
2 +B 53
3 ABL IN 226
4 MENU SIZE 40
Pressing
the Cursor Button (o)
Pressing
the Cursor Button (i)

– 4 –
(2). Screen Cut off Coarse Adjustment
Test Point: TP802 (G) CRT Board
Adjust: CUTOFF G Increment Button (+)
Decrement Button (–)
SCREEN Control
Flyback Transformer on the Main Board
8Turn the Power Switch on while pressing the Increment
Button (+), the Decrement Button (–) and the MENU
Button simultaneously, and enter to the Service Menu
mode.
8Supply the Grayscale signal to Video Input Connector.
8Connect the Oscilloscope to TP802.
8Set the Input Selector of the Oscilloscope to the DC Mode.
8Select the MENU Button to the W/B MENU.
8Select the Cursor Buttons (i) or (o) to the CUTOFF G
position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that G Pedestal becomes 110 ± 2 V as shown in Fig. 4-1.
Fig. 4-1
8Adjust the SCREEN control so that the 8th step of stair
step becomes cut off.
(3). Contrast Adjustment
Test Point: TP802 (G) CRT Board
Adjust: MAX CONTRAST Increment Button (+)
Decrement Button (–)
8Connect the Oscilloscope to TP802.
8Set the Input Selector of the Oscilloscope to the AC Mode.
8Select the MENU Button to the SUB MENU.
8Select the Cursor Buttons (i) or (o) to the MAX
CONTRAST position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the output of TP802 becomes 40 Vp-p as shown in
Fig. 4-2.
Fig. 4-2
(4). Colour Adjustment
Test Point: TP803 (B) CRT Board
Adjust: STD COLOUR Increment Button (+)
Decrement Button (–)
8Supply the Colour Bar signal to the Video Input Connector.
8Connect the Oscilloscope to TP803.
8Select the Cursor Buttons (i) or (o) to the STD
COLOUR position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the output of TP803 becomes 15 Vp-p as shown in
Fig. 4-3.
Fig. 4-3
(5). H & V Centering and Size Coarse Adjustment
Adjust: VR401 (V-SIZE) Main Board
VR403( V-CENTER) Main Board
L502 (H-SIZE) Main Board
H-CENTER Increment Button (+)
Decrement Button (–)
Observe: Colour Video Monitor
8Supply the Monoscope Pattern signal to the Video Input
Connector.
8Select the MENU Button to the DEF MENU.
8Select the Cursor Buttons (i) or (o) to the H–CENTER
position.
8Adjust VR403 so that the Monoscope Pattern signal
positions at the vertical center on the CRT screen.
8Adjust VR401 so that the full vertical height becomes plus
6 % overscanning.
8Ajust L502 so that the full horizontal width becomes plus 8
% overscanning.
110 ±0.2 V
GND
15 Vp-p
40 Vp-p

– 5 –
8Adjust the Increment Button (+) or Decrement Button (–)
so that the screen is set to the horizontal center position.
8Repeat above adjustment until they are satisfied.
(6). Character Size Adjustment
Test Point: Emitter of Q118
Adjust: MENU SIZE Increment Button (+)
Decrement Button (–)
8Supply the Colour Bar signal to the Video Input
Connector.
8Connect CH1 of the Oscilloscope to the Emitter of Q118.
8Connect CH2 of the Oscilloscope to the Video Output
Connector.
8Select the MENU Button to the DEF MENU.
8Select the Cursor Buttons (i) or (o) to the MENU SIZE
position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the H-scan time becomes 44 ± 0.5 µs as shown in
Fig. 4-4.
Fig. 4-4
(7). Audio Maximum Output Power Setting
Adjust: MAX AUDIO Increment Button (+)
Decrement Button (–)
Observe: Audio Analyzer
8Set the Selector (Audio Out or Speaker Out ) SW1 to the
Speaker Out position.
8Set the Output Level of the Audio Analyzer to -14±0.3
dBV, 1 kHz ± 3 %.
8Select the MENU Button to the SUB MENU.
8Select the Cursor Buttons (i) or (o) to the MAX AUDIO
position.
8Observing the Audio Analyzer, adjust the Increment
Button (+) or Decrement Button (–) so that the output level
becomes 5. 2± 0.2 dBV.
(8). Screen Cut off Fine Adjustment
Test Point: TP802 (G) CRT Board
Adjust: STD BRIGHT Increment Button (+)
Decrement Button (–)
CUTOFF G Increment Button (+)
Decrement Button (–)
SCREEN Control
Flyback Transformer on the Main Board
8Supply the Grayscale signal to the Video Input Connector.
8Connect the Oscilloscope to TP802.
8Set the Input Selector of the Oscilloscope to the DC mode.
8Select the Cursor Buttons (i) or (o) to the STD BRIGHT
position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the STD BRIGHT becomes 70.
8Select the MENU Button to the W/B MENU.
8Select the Cursor Buttons (i) or (o) to the CUTOFF G
position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the G Pedestal becomes to 110 ± 2 V as shown in
Fig. 4-5.
Fig. 4-5
8Adjust the SCREEN control so that the 8th step of the stair
step becomes cut off.
(9). White Balance Coarse Adjustment
Adjust: CUTOFF R Increment Button (+)
Decrement Button (–)
CUTOFF B Increment Button (+)
Decrement Button (–)
DRIVE R Increment Button (+)
Decrement Button (–)
DRIVE B Increment Button (+)
Decrement Button (–)
Observe: Colour Video Monitor
8Select the Cursor Buttons (i) or (o) to the CUTOFF R,
CUTOFF B, DRIVE R or DRIVE B position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the 2nd step and the 7th step of the stair step
become white.
44.0 ±0.5 µs
H
CH1
CH2
110 ±0.2 V
GND

– 6 –
(10). Focus Coarse Adjustment
Adjust: FOCUS control
Flyback Transformer on the Main Board
Observe: Colour Video Monitor
8Supply the Cross Hatch signal or the Dot signal to the
Video Input Connector.
8Adjust the FOCUS control for the best focus.
(11). Purity Adjustment
Adjust: Purity Magnet
Deflection Coil
Observe: Colour Video Monitor
8This adjustment should be done after aging for more than
20 minutes.
8Adjust the FOCUS control on the Flyback Transformer for
the best focus and then disconnect the input signal.
8Degauss the CRT screen with a degaussing coil.
8Loosen the screw that secure the deflection coil.
8Move back the deflection coil until it reaches to the purity
magnet.
Fig. 4-6
8Supply the red colour signal to the Video Input Connector.
8Adjust the purity magnet so that the red area comes to the
center on the CRT screen as shown in Fig. 4-7.
Fig. 4-7
8Rotate the deflection coil to find the point where the center
portion of the red area becomes equal on the CRT screen.
8Move the deflection coil forward until the red colour fully
occupies the entire screen and tighten the screws that
secure the deflection coil.
(12). Convergence Adjustment
Adjust: Convergence magnet-1
Convergence magnet-2
Observe: Colour Video Monitor
8Supply the Cross Hatch signal or the Dot Signal to the
Video Input Connector.
8Adjust the FOCUS control on the Flyback Transformer for
the best focus.
8Degauss the CRT screen with a degaussing coil.
8Adjust the Convergence magnet-2 so that the red and
blue dots on the center area of the CRT screen is
overlapped.
8Adjust the Convergence magnet-1 so that the green and
magenta (red+blue) dots on the center area of the CRT
screen is overlapped.
8Repeat above adjustment until no discrepancy appears on
the entire screen.
(13). White Balance Adjustment
Adjust: CUTOFF R Increment Button (+)
Decrement Button (–)
CUTOFF B Increment Button (+)
Decrement Button (–)
DRIVE R Increment Button (+)
Decrement Button (–)
DRIVE B Increment Button (+)
Decrement Button (–)
Observe: Colour Video Monitor
8Supply the White Colour signal or the Dot Signal to the
Video Input Connector.
8Select the MENU Button to the W/B MENU.
8Select the Cursor Buttons (i) or (o) to the CUTOFF R,
CUTOFF B, DRIVE R or DRIVE B position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the raster on the CRT Screen becomes White.
(14). Sub Bright Adjustment
Adjust: STD BRIGHT Increment Button (+)
Decrement Button (–)
Observe: Colour Video Monitor
8Supply the Grayscale signal to the Video Input Connector.
8Isolate the CRT screen from the outside light source.
8Select the MENU Button to the SUB MENU.
NO GOOD GOOD
RED RED
Deflection coil
Deflection coil fixing screw
Purity magnet
Convergence magnet-1
Convergence magnet-2

– 7 –
8Select the Cursor Buttons (i) or (o) to the STD BRIGHT
position.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the first step from the black side is just
suppressed.
8Select the MENU Button to the DEF MENU.
8Select the Cursor Buttons (i) or (o) to the ABL IN
position for saving data.
(15). H & V Centering and Size Fine Adjustment
Adjust: VR401 (V-SIZE) Main Board
VR403 (V-CENTER) Main Board
L502 (H-SIZE) Main Board
H-CENTER Increment Button (+)
Decrement Button (–)
Observe: Colour Video Monitor
8Supply the Monoscope Pattern signal to the Video Input
Connector.
8Select the MENU Button to the DEF MENU.
8Select the Cursor Buttons (i) or (o) to the H–CENTER
position.
8Adjust VR403 so that the Monoscope Pattern signal
positions at the vertical center on the CRT screen.
8Adjust VR401 so that the full vertical height becomes plus
6 % overscanning.
8Ajust L502 so that the full horizontal width becomes plus 8
% overscanning.
8Adjust the Increment Button (+) or Decrement Button (–)
so that the screen is set to the horizontal center position.
8Repeat above adjustment until they are satisfied.
8Select the MENU Button to the ADJ MENU.
8Select the Cursor Buttons (i) or (o) to the MENU END
position.
8Press the Increment Button (+) or Decrement Button (–)
for saving data.
8Turn the Power Switch off.

MAIN BOARD (COMPONENT SIDE)
CRT BOARD (COMPONENT SIDE)
CN901
(INLET)
JK601
(PIN JACK)
CN101
(BNC)
CN102
(BNC)
VR403
(V-CENTER)
VR401
(V-SIZE)
FOCUS SCREEN
VR201
(COMB-1)
CN806
L205
(COMB-2)
L502
(H-SIZE)
T901 (SW TRANS)
CN601
CN801
CN802 CN804 CN805
SW303
( +)
SW304
(–)
SW301
(UP)
SW302
(DOWN)
SW305
(MENU)
SW101
(A/B INPUT SW)
SW901
(POWER SW)
T502 (FBT)
R804
TP802 (G)
D801
TP804 (120V)
R802
TP801 (R)
R806
TP803 (B)
CN902
CN401
CN301
Q118
Q112
REAR SIDE
FRONT SIDE
L205 and VR201 are
only for NTSC.
– 8 –
LOCATION OF TEST POINTS AND ADJUSTING CONTROLS

+ -
VIDEO A
PRE-AMP.
Q101
75 Ω
CN101
IN
OUT
VIDEO A
Q102
75 Ω
IN
OUT
VIDEO B
CN102
Q103
3
1
IN2
IN1
BIAS
30K
30K
2
BUFFEROUT 7
IC101
2-INPUT SINGLE
VIDEO SWITCH
Q202,203
SYNC
SEPARATOR
3
4
5
6FEEDBACK
MUTE
VR
CONST
MUTE
DC VOLUME
CONTROL AUDIO OUTPUT AMP. A OUT
A IN
IN
OUT
AUDIO
JK601
IC601
AUDIO OUTPUT CONTROLLER
2
SP601 CN601
1
SPEAKER
(8 Ω, 0.6 W) +9V
VREF
+
–OUT
GND
IN
1
2
3
1
CN902
L1
DEGAUSSING
COIL
1
2
CN901
LINE
FILTER
L901
F901
4A
L
N
POWER
SW901
POWER
SWITCH
~
~+–
D901
4
2
7
6
9
11
13
12
T901Q901-905
POWER
TRANSFORMER
POWER
CONTROL
AMP.
Q906,907
Q910,911
+12V
+9V
REG.
IC901 +9V
+5V
REG.
Q909 +5V
(POWER)
D910
SIGNAL
CLAMPING PRE-AMP. LINE
MEMORY
LINE
MEMORY
LP R-Y OUT
R-Y IN
ADDITION
STAGE OUTPUT BUFFER
SIGNAL
CLAMPING PRE-AMP. SAMPLE-
AND-HOLD
SAMPLE-
AND-HOLD
LP B-Y OUT
B-Y IN
3MHz SHIFTING CLOCK
SANDCASTLE
DETECTOR FREQUENCY
PHASE
DETECTOR DIVIDER
BY 192
SAND
LP 6MHz
CCO DIVIDER BY 2
IC102
BASEBAND DELAY LINE FOR 1H DELAY (PAL ONLY)
11
12
16
14
5
ON SCREEN DISPLAY CIRCUIT
DISPLAY
MEMORY CHARACTER ROM JITTER
ELIMINATION
4 OSD (R) 5 OSD (G) 6 OSD (B) 7 OSD (Y/B)
P6 P7
#HD
#VD
HD IN VD IN
0 1
R,G,B
Y/BL
ALU PSW
FLUG RBS
STACK POINTER DATA
MEMORY
(RAM)
GENERAL
REGISTER
BANK
PROGRAM
CORRECTION
CIRCUIT
PROGRAM
COUNTER
PROGRAM
MEMORY
(ROM)
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
INTERRUPTION CONTROL CIRCUIT
TC3 TC4
8-BIT
TIMER
COUNTER
SIO/I CBUS
TC2
SERIAL BUS
INTERFACE
SYSTEM
CONTROL
CIRCUIT
STANDBY
CONTROL
CIRCUIT
TIMING
GENERATOR
FOR
HIGH
FREQ. CLOCK
GENERATOR
TIME
BASE
TIMER
WATCH
DOG
TIMER
2
16-BIT
TIMER
TC1
P3
REM-CON
JUDGEMENT
CIRCUIT
P6
8-BIT A/D
CONVERTER
P5
D/A
CONVERSION
(PWM)OUTPUT
P4P2
010/17 SW 0AUDIO ADJ 1+B ADJ 2MENU ADJ 3KEY SW1(UP) 4 5 6 7MENU SW
KEY SW2(DOWN) KEY SW3(-) KEY SW4(+)
0POW OFF 1 2A/B OUT 3VD IN 4 5 6 7SYNCIN
ABL IN SW1 SW2
C/L,B/W OUT
0 1 2 3
V-MUTE A-MUTE SIG OUT BUZZER
C/L,B/W IN AFC SELECT FA SCL SDA A/B IN 0
1 2 3 4 5
OSC1
OSC2
#RESET
TEST
X IN
X OUT
IC302
8-BIT MICROCOMPUTER WITH BUS
28
29
33
30
31
32
X301
8 MHz
HORIZONTAL
DRIVER
Q105,106
OSD OUTPUT
BUFFER
Q118
27 26 25 24 23 22
34 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 35 36 37 38 39 40 41
AFC
DRIVER Q117
Q119,120
VERTICAL
DRIVER
SW301
KEYSW1
(UP) SW302
KEYSW2
(DOWN) SW304
KEYSW3
(–)SW303
KEYSW4
(+) SW305
MENUSW
–AUDIO+ MENU
SW301,302
CURSOR
BUTTONS
VDD
+12V
R322
(NTSC
ONLY)
R320
(PAL
ONLY)
R323
(NTSC ONLY)
R321
(PAL ONLY)
INPUT
SW101
AB
INPUT SIGNAL
SELECT SWITCH
VREF
+
–OUT
GND
IC304
VOLTAGE DETECTOR
FOR MUTE RESET
IN
1
2MUTE
CONTROL
DRIVER
Q302
AUDIO
MUTE
DRIVER
Q303
VIDEO
MUTE
DRIVER
Q304
1024-BIT EEPROM ARRAY
ADDRESS
DECODER
7-BIT DATA
REGISTER
8-BIT
SLAVE WORD
ADDRESS REGISTER
STOPSTART
CONTROL
CIRCUIT
HIGH
VOLTAGE
GENERATOR
POWER
VOLTAGE
DETECT
SCL
SDA
A0 A1 A2 TEST
1
2 3
5
6
7
IC303
128x8-BIT EEPROM WITH BUS
SCL 1
CN301
SDA 3
FA 4
B-Y
AMP.
Q108
R-Y
AMP.
Q107
(NTSC ONLY)
R-Y
CLAMP
G-Y
CLAMP
B-Y
CLAMP
BRIGHTNESS
∗ 8-BIT
G-Y
CHROMA
CONTRAST
SATUR-
ATION
∗ 7-BIT
R
DRIVE
CUTOFF
G
CUTOFF
(8-BIT)
B
DRIVE
CUTOFF
YS
PULSE
∗ DRIVE 8-BIT
∗ CUTOFF 9-BIT
Y
CLAMP
BLACK
EXPANSION
Y
CONTRAST
LPF
∗
1-BIT
(SERVICE)
SHARPNESS TRAP
CV
CLAMP
∗ 1-BIT
∗ 6-BIT ∗ 7-BIT
7dB
VSW
∗ 1-BIT
APC ACC
DET.
ACC
AMP.
TINT
NTSC
AMP.
BPF
∗ 1-BIT
CHROMA SW
CW
GENERATE
R-Y
DEMOD. +/–
B-Y
DEMOD.
KILLER
IDENT 1H
FF
CHROMA
VCO
∗ 1-BIT
∗ 1-BIT
SYSTEM
SW
∗ 1-BIT
∗ 2-BIT
(50/60Hz)
VERTICAL
COUNT
DOWN
HV
BLK.
VERTICAL
SYNC SEPA HORIZONTAL SYNC SEPA.
50/60Hz
DETECT
HORIZONTAL
COUNT
DOWN
HORIZONTAL
LOCK DET.
AFC1
AFC2
HVCO H
REGU.
H
BLK.
BGB
SHUT
DOWN
VERTICAL
OUT
SCP
I C BUS
INTERFACE
2DAC OUT
SW OUT
IF
AMP VIF DET.
IF
AGC AFT
RF
AGC LEVEL
ADJ.
APC2 PHASE
SHIFT
APC1
∗ 9-BIT
VCO
∗ 7-BIT
∗ 4-BIT
SIF
DET. VCO DE-
EMPHASIS PRE- AMP.
LIMITER
∗ 1-BIT ∗ 1-BIT
ASW
1 R-Y CLAMP
G-Y CLAMP2 B-Y CLAMP3 EXT RIN11
12 EXT GIN
13 EXT BIN
10 YS IN
9 SPOT KILLER
6 CHROMA APC
8 VCO(3.58MHz)
7 VCO(4.43MHz)
+9V
63
64 –(B-Y) IN
–(R-Y) IN
NTSC : 3.58MHz
PAL : 4.43MHz
X102
–(B-Y) OUT
–(R-Y) OUT
61
60
59 SECAM INTERFACE
5 KILLER OUT
4 KILLER FILTER
62 SANDCASTLE PULSE OUT
21 SDA
22 SCL
IC103
SIGNAL PROCESSOR WITH BUS INTERFACE
24 VIF1 IN
25 VIF2 IN
33 EXT AUDIO IN
34
∗ 7-BIT
27
AFT OUT
30
SIF APC37
RF AGC OUT
SIF IN/
DAC OUT
VIF VOC 41
VIF APC1 40
VIF DET OUT 39
IF AGC 35
OUT 28
DE-EMPHASIS 29
DC DECOUPLING 32
AUDIO
58VER PULSE OUT 55X-RAY PROTECT IN 56OUT
50FBP IN 52AFC2
51VCC2 54HOR VCO 53AFC1
18HOR LOCK DET
44VER SYNC CLAMP 45VER SYNC IN 46HOR SYNC IN 57
50/60Hz DET OUT
48
43Y IN
20ACL
42BLACK LEVEL
38INT VIDEO IN
36VIDEO OUT
31EXT VIDEO IN
17B OUT 16G OUT 15R OUT
CHROMA
IN
HOR PULSE
+9V
X101
(PAL ONLY)
J102
SYNC
SEPARATOR
Q206
G
R
B
J101
(PAL ONLY)
L205
COMB-2
VR201
COMB-1
Q209-212,L204
(NTSC ONLY)
HORIZONTAL
DEFLECTION
DRIVER
T501 HORIZONTAL
DEFLECTION
OUTPUT
Q501 Q502
R
OUTPUT
BUFFER
Q801
G
OUTPUT
BUFFER
Q802
B
OUTPUT
BUFFER
Q803
TP801
(R)
TP802
(G)
TP803
(B)
7
9
3
V801
CATHODE
RAY TUBE
54 6 8
H(+) H(–) G1 G2
+9V
RK
GK
BK
CN803
CRT SOCKET
GND
CRT BOARD
3
9
8
2
1
5
6
4
FLYBACK TRANSFORMER
T502
SF501
FOCUS
CONTROL
SCREEN
[FOCUS]
+120V
(ANODE)
HV
PROTECTION
Q503,504
10
1 H+
2 H–
3 V+
4 V–
HORIZONTAL
VERTICAL
CN401
DEFLECTION
COIL
L401
L502
H.SIZE
L501
H.LIN
VERTICAL
OUTPUT
VERTICAL
DRIVE
RAMP
GENERATOR
ONE SHOT
MULTI.
VERTICAL
TRIG INPUT
V.TRIG-IN
THERMAL
PROTECTION
VERTICAL SIZE
CONTROL
SWITCH
PUMP UP
RAMP
50Hz/
60Hz
-SW
V.SIZE
AC/DC FB-IN
PUMP
UP-OUT
VERT-OUT
PHASE
-ADJ
+9V
6
10
4
9
7
12
5
VR401
V.SIZE
VR403
V.CENTER
2
J401
(NTSC ONLY)
J402
(PAL ONLY)
MAIN BOARD
CN101
VIDEO A
INPUT/OUTPUT
CONNECTORS
CN102
VIDEO B
INPUT/OUTPUT
CONNECTORS
VIDEO B
PRE-AMP.
SW
"L" : IN1
"H" : IN2
Q121
VIDEO A
INPUT
DRIVER
VIDEO B
INPUT
DRIVER
Q104
VIDEO A
MUTE
AUDIO
CONTROL
DRIVER
Q602
8
VDD
IC301
VOLTAGE DETECTOR
FOR SYSTEM RESET
AC CONNECTOR
POWER
SWITCHING
REGULATOR 12
POWER
INDICATOR
E
AC IN
LEN
E1
POWER
CABLE
NTSC : 120V 60Hz
PAL : 220 - 240V 50Hz
POWER
CONTROL
DRIVER
Q908
PROTECTION
CONTROL
DRIVER
+120V
SW305
MENU
BUTTONS
SW304,303
INCREMENT/
DECREMENT
BUTTONS
PAL/
NTSC
/SECAM
SW
∗ 7-BIT
∗ 4-BIT
ACK
7-BIT
X101
15.625 kHz
R241
(PAL ONLY)
R157
(NTSC
ONLY)
EXT
VIDEO
BUFFER
COMB FILTER/
1H DELAY
Q112
+120V
0.63A
SCREEN
CONTROL
SWITCHING
TRANSFORMER
IC401
VERTICAL
DEFLECTION
DRIVER
TIME CONST 3
Q208
INT VIDEO
BUFFER
NOTE : marked connection terminals are not activite (used).
Y
INPUT
AMP.
Q115
VIDEO
OUTPUT
CONTROL
Q116
JK601
AUDIO
INPUT/OUTPUT
CONNECTORS
BLOCK DIAGRAM
– 9 –

– 10 –
-+
C102
10/50 D102
-+
C108
100/10
C107
103
C109 103 C110 103
∗
R170
C145 104
R172
752
-+
C147 2.2/50
∗ C149
X102
C154 103
-+
C155 1000/16
R175
105
-+
C157 1/50
R176 101
R177 101
R169
123
X101
-+
C139 10/50
-+ C136
47/25
R163
103 1/4W
R165 332
R162 103
-+
C135
47/25
C131 681
R158 684
-+
C128
4.7/50
∗
R157
C134
102
VS901
C901
104
R901
225
1/2W
∗ C902
∗
C903
∗
C904
3 4
1 2
L902
OPEN
∗
C905
R902
156 1/2W
123
4
–+
~
~
D901
TH901
1
3
CN902
∗
R906
R909
223
-+
C908
100/25
R910 221
-+
∗
C907
∗ R907
∗ R908
D902
-+
C910
180/35
Q902
D903
Q901
D905
D904
R916
222
-+
C914 180/35
C912
104/250V
∗
C913
L
N
E
1
2
CN901
3
4
2
1
Q905
R917 102
D908
-+
C917
1000/25
R919 152 R922 152
Q906
Q907
R928
162
R929
OPEN
R924
133 1/2W
R923
133 1/2W
R925
103 1/4W
C918
153
-+
C920
470/25
-+
C916
47/160
R926
153
1IN 2
OUT
3
GND
IC901
-+
C921
470/25
L906
L905
-+
C915
100/160
Q910 D917
R939
104
R920 561
R921 102
Q909
-+
C925
10/50
-+
C923
470/10
D913 D915
R934
152 R935 152
D914
D916
R936 473
R520 103 1/4W
D503
-+
C510
1000/25
R502
821
Q501
C501
182/700V
C502
182/700V
Q502
R513
103
R512 472
472
R514
152
D502
R519 912
D505
D507
R516
152
R517 124 R518 104
D509
R521 331
-+
C517
100/25
R522
152
D511
R523
273
R524 103
103
-+
C518
10/50
R525 332
R526
113
R527
OPEN
D515
-+
C606
100/25
-+
C608
1/50
-+
C610 10/50
-+
C612
1000/16
R613 681
-+
C613
330/25
R612 224
Q503
D513
R178
152
R179
152
R180
152
R183 471
R182 471
R181 471
1
2
4
5
6
7
E101
1
3
4
5
E501
1
2
3
4
CN301
1
2
3
CN601
3 4
1 2
L901
+9V
+5V
R327
333
R328
333
R329
333
C310
101
C311
101
C307 120
-+
C301
2200/6.3
+5V
+9V
+9V
+9V
R912
180 3W R913 180 3W
R911
180 3W
R915
0R33 3W
∗
R905
∗
R904
∗
R914
R918
183 5W
R504
103 5W
R610
101 1W
R164
151
+5V
Q118
R173 681 R174 331
C106 103
-+
C105 100/10
3
4
2
1
Q904
Q115
-+
C127
100/25
C103
102
R108
OPEN
Q103
C104
102
+9V
R103
683
R104
563 R105 102
Q101
R111
683
R112
563 R113
102
Q102
R106 102
R114 102
+9V
-+
C401 100/25
-+
C404
100/50
C405
100
D402
R407
183
R408 473
R405 393
VR401
503 VR403
202
R406 363
∗ R409
-+
C407
680/25
Q504
R528 333
R529 102
C507
154/250V
C509 182
C508 182
R412
4R7
D512
R414 331 1W
R313
103 R314 103
C504
272/1.6KV
C505
222/1.6KV
3
1
6
4
2
T501
Q105
Q106
R118
102
R120 332
-+
C512
22/160
R166
222
2
1
SW302
2
1
SW303
2
1
SW304
2
1
SW305
R301 103
R302 103
R303 103
R304 103
R305 103
3 4
1 2
65
SW901
R312
103
R501
152
∗
C126
R311
103
R506 273
R505 682
+9V
R603 103
VC301
C306 330
R318 333
R319 333
∗ R903
R117
101
C309 102
C142 683 C143 683 C144 683
C146 223
C156
223
C140
220
C138
223
C137 223
C611
473
C607
272
C402 105
C403 OPEN
C408
223
C409
223
C515
104
C919
332
C924
104
R616
6R8 1/4W
∗
C911
C133
104
1
4
2
5
3
6
SW101
-+
∗ C406
VR402
OPEN
R315
473
D909
D906
D907
-+
C516
1/50
-+
C129
10/50
-
+
C130 2.2/50
-+
C609 4.7/50
L301
330
R159
221
1/4W
R110 102
R931
152
D910
R615
4R7 1/2W
C909
104
R508
OPEN
R109 750
+5V
Q107
R127 472
R121 472
R122 562
-+
C114
100/25
Q108
R130
103
+9V
C112 104 C111 104
+9VA
∗
L106
∗
C124
C125 102
R146
101
Q112
DVDD
NC
DVSS
I.C.
SAND
NC
I.C. I.C.
R-Y IN AVDD NC B-Y IN NC B-Y OUT R-Y OUT AVSS
IC102
1 2 3 4 5 6 7 8 9 10 11 12 13
VCC(DRIVE) V.TRIG-IN TIME CONST V.SIZE RAMP GND PUMP UP-OUT VCC(PUMP UP) VCC(VERT-OUT) VERT-OUT AC/DC FB-IN PHASE ADJ 50Hz/60Hz-SW
IC401 VERTICAL DEFLECTION DRIVER
1
A0
2
A1
3
A2
4
GND
8
VCC
7
TEST
6
SCL
5
SDA
IC303
4
3
5
2
1
CN102
1
VSS
2
AUDIO ADJ
3
+B ADJ
4
MENU
5
KEY SW1 <UP>
6
KEY SW2 <DOWN>
7
KEY SW3 <–>
8
KEY SW4 <+>
9
MENU SW
11
C/L,B/W OUT
12
A/B OUT
13
VD IN
14
ABL IN
15
SW1
16
SW2
17
V-MUTE
18
A-MUTE
19
SIG OUT
20
BUZZER
21
VSS
22
OSD(R)
23
OSD(G)
24
OSD(B)
25
OSD(Y/B)
26
HD IN
27
VD IN
28
OSC1
29
OSC2
30
TEST
31
X IN
32
X OUT
33
#RESET
34
10/17 SW
35
C/L,B/W IN
36
A/B IN
37
AFC
SELECT
38
FA
39
SCL
40
SDA
41
SYNC IN
42
VDD
10
POW OFF
ADJ
IC302 8-BIT MICROCOMPUTER WITH BUS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
R-Y CLAMP YS IN EXT.R IN EXT.G IN EXT.B IN R OUT G OUT B OUT VCC1 SDA SCL EXT VIDEO IN
VER.PULSE OUT
HOR.PULSE OUT
FBP IN
VCC2
GND
VCC3-2
HOR.SYNC.IN
VER.SYNC.IN
VER.SYNC.CLAMP
G-Y CLAMP B-Y CLAMP KILLER FILTER KILLER OUT CHROMA APC VCO(4.43MHz) VCO(3.58MHz) SPOT KILLER HOR.LOCK DET GND ACL VCC3 VIF1 IN VIF2 IN GND RF AGC OUT AUDIO OUT DEEMPHASIS AFT OUT DC DECOUPLING EXT AUDIO IN
SIF IN/DAC OUT
IF AGC
VIDEO OUT
SIF APC
INT VIDEO IN
VIF DET OUT
VIF APC1
VIF VCO
BLACK LEVEL
Y IN
CHROMA IN
AFC2 AFC1
HOR.VCO
X-RAY PROTECT IN
50/60Hz DET OUT
SECAM INTERFACE
–(B-Y) OUT
–(R-Y) OUT
SANDCASTLE PULSE OUT
–(B-Y) IN
–(R-Y) IN
IC103 SIGNAL PROCESSOR WITH BUS INTERFACE
1
VCC 1
2
A IN
3
MUTE
4
VR
6
FEEDBACK
7
GND
8
A OUT
9
VCC 2
5
CONST
IC601 AUDIO OUTPUT CONTROLLER
-+
C503
4.7/350
D911
-+
C514 2.2/50
SF501
0.63A
C906
∗∗
L903
∗ L904
4
3
2
1
CN401
Q903
D501
R119
224
C159
103
D506
D510
C303
103
R333 472 R335 472
R339 472
2
1
SW301
2 1
3
X301
C506 121/2KV
2 1
L501 41 32
L502
4
6
5
9
8
1
2
3
10
7
11
12
T502
4
2
1
9
11
13
12
7
6
10
8
14
T901
R609
102
R411
3R00 1/4W
R410 3R00
1/4W
R531
473
R530 471
-+
C132
1/50
∗
R189
∗
R190
C312 104
C313 104
-+
C314 47/25
D301
R343 103
R325
560 1/4W
R326
560 1/4W
R932
102 1/4W
R933
472 1/4W
R413
222
R161
271
1/4W
R160
561 1/4W
R156
181 1/4W
R155
331 1/4W
R154
561
1/4W
R147
102
∗
R150
∗ R320
∗ R321
∗
R322
∗
R323
R334 472
R614
123
1/4W
R306 102 1/4W
R307 102 1/4W
R308 102
R309 102 1/4W
R310 102
R503
272
R107
153 1/4W
R317 333 1/4W
R611
103
R401 102 1/4W
R186
102 1/4W
R185
472 1/4W
R124 332
R123 132
R126 222
R128 132 R129 332
R125
103
R11
0R00
R13
0R00
R15 0R00 1/4W
R16 0R00 1/4W
R14 0R00 1/4W
C513
104
R18 0R00
R17 0R00
R19
0R00
R20
0R00
R23 0R00
R24
0R00
R25
0R00
R415 683
C410
103
C411 103
R941
102
R942
102
-+
C926
10/50
D918
D919
R362 103 1/4W
D308
R356 101
R357 101
R358 101
R355 101 1/4W
C315
104
C316 104
C317
104
+12V
D307
R350 471
R351 154
Q206
R232
102
-+
C212 OPEN
R233 OPEN D104
R184 103
C211 104
C210 104
C519
271
+5V
+12V +9VA
+12V
+9V
D303 D304 D305
+9V
∗ R149
∗ C123
D306
C412 104
R236 101
R532 333
R239
222
R237
103
R238
103
Q208
R240
102
+5V
-+
C216
10/50
-+
C158 10/50
∗
R241
+9V
R26
0R00
R340 132
R341 112
R364 103
C521
180
C520 333
R365 103
D309
R242 684
1IN1 2SW 3IN2 4
8
VSS
7
OUT
6
VDD
5
NC NC
IC101
-+
C221 1/50
1IN 2
OUT
3
GND
IC304
D517
R533
OPEN
C318
102
C319
102
C320
102
C321
102
C322
102
R366 473
R368
103
+9V
R367
820 2W
D312
D311
D310
R507
272 1/4W
B
C
E
Q911
B
C
E
Q908
BC
E
Q117
BC
E
Q119
B
C
E
Q120
B
C
E
Q104
B
C
E
Q121
BC
E
Q602
BC
E
Q304
BC
E
Q302
BC
E
Q303
1IN 2OUT
3
GND
IC301
C302
103
C522
102
R369 103 1/4W
-+
C223
47/25
R245 223 R244 273
Q209
R246
221
L202
150
C224 103
VR201
R248
102
L203
680
Q210
R251
102
C227
180
R258 101 Q212
C225 270
R256
681
R259
102
C226
560
Q211
R255
681
L206 120
C229 680
R257 471
2
1 4
3
1H
DELAY
L204
1
2
3 4
6
7
8
L205
R249
471
R247
221
R250
471
R252 472 1/4W
R219
102 1/4W
R220
102
R221
153
R222
104
R223
332
Q203 Q202
C207
331
C208
104
+9V
D205
C161 101
C160
101
C305
104
C162 104
Q116
∗ R191
L910
+5V
R27
0R00 R192
272
1/4W
+9V
C308 OPEN
+9V
+9V
+9V
-+
C101
10/50 D101
R102 102
R101 750
4
3
5
2
1
CN101
-+
C601
1/50 D601
R601 101
1
3
2
JK601
D516D508
Q801
R815 561
R814 332
R813
OPEN
C801
OPEN
C802
181
Q802
R818 561
R817 332
R816 0R00
C803
120
C804
121
Q803
R821 561
R820 332
R819
OPEN
C805
OPEN
C806
181
-+
C807
4.7/350
R807
332
1/4W
R808
332
1/4W
R809
332
1/4W
R802 682 3W
R804 682 3W
R806 682 3W
R810 101
R811 101
R812 101
1
CN801 1 CN802
C808
122/200V
R822 3R3 1/2W
D801
-+
C809
4.7/350
D802
1
CN806
1
2
3
4
5
CN805
1
2
3
4
5
6
CN804 7
9
3
5 4 62 8
1
CN803
∗ L801
∗ L802
∗ L803
+9V
+9V
+9V
V9A
V5A
4
3
2
1
HORIZONTAL
VERTICAL
V–
V+
H–
1
3
GND
GND
AUDIO
SPEAKER
(8
Ω , 0.6 W)
SCREEN
FOCUS
HV (ANODE)
INPUT
+
–
MENU
B
GND
R
G
+120V
GND
HEATER
+9V
FA
SCL
SDA
GND
IN
OUT
H+
E1
POWER
CABLE
2W
BA
(NTSC ONLY)
(PAL ONLY)
+120V
+12V
SP601
AC
AC3
1
GND
GND
T901
POWER TRANSFORMER
∗ (NTSC ONLY) ∗
∗
AUDIO
SW301,302
CURSOR
BUTTONS
SW303,304
INCREMENT/
DECREMENT
BUTTONS
SW305
MENU
BUTTON
VIDEO B
CN102
VIDEO B
INPUT/OUTPUT
CONNECTORS
IN
OUT
VIDEO A
CN101
VIDEO A
INPUT/OUTPUT
CONNECTORS
IN
OUT
AUDIO
JK601
AUDIO
INPUT/OUTPUT
CONNECTORS
L1
DEGAUSSING COIL
E902E901 F901
4A
OPEN
E911E910 F902
AC IN
E914
E903
OPEN
CN901
AC CONNECTOR
SW901
POWER SWITCH
D910
POWER
INDICATOR
FLYBACK TRANSFORMER
+22.5V
+30V
FOCUS CONTROL
[FOCUS]
SCREEN CONTROL
[SCREEN]
L401
DEFLECTION COIL
GND
B
G
R
GND
GND
+120V
NC
GND
+9V
HEATER
SCREEN
GNDGND
V801
CATHODE
RAY TUBE
RK
GK
BK
H(+) H(–)
G1 G2 G3
TP804 (120V)
TP801 (R)
TP802 (G)
TP803 (B)
E904
A
B
C
D
E
12345678
CRT BOARD
MAIN BOARD
F
REF. No. NTSC PAL
IC102 OPEN MOUNT
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
MOUNT
MOUNT
MOUNT
MOUNT
MOUNT
472
562
132
332
103
222
472
132
332
103
MOUNT
821 681
OPENOPEN OPEN184
OPEN 0R00
OPEN
OPEN
0R00
0R00
OPEN OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
103
273
223
221
221
102
471
471
102
472
681
681
471
Q107
Q108
Q209
Q210
Q211
Q212
R121
R122
R123
R124
R125
R126
R127
R128
R129
R130
R149
R150
R157
R189 274 334R170
R190
R191
R241
R244
R245
R246
R247
R248
R249
R250
R251
R252
R255
R256
R257
REF. No. NTSC PAL
R259
R320
R321
R322
R323
R409
R903
R904
R905
R906
R907
R908
R914
VR201
C105
C106
C107
C108
C109
C110
C114
C123
C124
C126
C149
C160
C161
C223
C224
C225
C226
C227
C229
C406
C902
REF. No. NTSC PAL
C904
C905
C906
C907
C911
C913
L106
L202
L203
L204
L205
L206
L903
L904
J101
J102
J239
J241
J311
J312
J313
J318
J321
J326
J330
J331
J332
J333
J334
J335
J337
J401
J402
C903R258 OPEN
OPEN
OPEN
OPEN
101
102
OPEN
OPEN
103
103
152 102
2R2 10W
223 1W 3R9 10W 683 1W
223 1W 683 1W
474 1/4W
224 1/4W104 1/4W
104 1/4W 224 1/4W
153 5W 333 5W
OPENMOUNT 100/10OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
120
103
100/10
103
103
OPEN
OPEN
OPEN
OPEN
OPEN
103
820
121
120
101 9R0
101
100/25
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
103
270
560
180
680
OPEN 104
47/25
2.2/351.5/35
152
152
152
102
102
102
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER
JUMPER JUMPEROPEN
JUMPER
JUMPER
OPEN
OPEN
OPEN
OPEN 5R2
5R2
OPEN
OPEN
OPEN
OPEN
OPEN
MOUNT
MOUNT
680
150 150OPEN
OPEN
OPEN
124 683
471
330/200
221 500V
120/400
∗ marked parts of Main Board are shown in below.
REF. No. NTSC PAL REF. No. NTSC PAL REF. No. NTSC PAL
151L801 151L802 151L803JUMPER JUMPER JUMPER
J901
J903
J902
E912
L
E
N
NTSC : 120V 60 Hz
PAL : 220-240V 50 Hz
IC301
VOLTAGE
DETCTOR
FOR SYSTEM
RESET
SW101
INPUT
SIGNAL
SELECT
SWITCH
IC101
2-INPUT SIGNAL
VIDEO SWITCH
X102
NTSC: 3.58MHz
PAL : 4.43MHz
X101
15.625 kHz
IC102
BASEBAND DELAY LINE FOR 1H DELAY
∗ J101
∗ J102
R
OUTOUT
BUFFER
G
OUTOUT
BUFFER
B
OUTOUT
BUFFER
SCREEN FOCUS HV (ANODE)
CN803
CRT SOCKET
E804
E601
IC304
VOLTAGE DETECTOR
FOR MUTE RESET
∗
J401
∗
J402
J403
T501
SWITCHING
TRANSFORMER
IC303
128x8-BIT
EEPROM
WITH BUS
103 1/4W
103 1/4W
224 1/4W
103
472 1/4W
Q103
VIDEO A MUTE
Q101
VIDEO A PRE-AMP.
Q202,203
SYNC SEPARATOR
Q105,106
HORIZONTAL
DRIVER
Q119,120
VERTICAL
DRIVER
Q121
VIDEO A
INPUT DRIVER
Q104
VIDEO B
INPUT DRIVER
Q107
R-Y AMP. Q108 B-Y AMP.
Q117
AFC DRIVER
VR201
COMB-1
L205
COMB-2
Q209-212,L204
COMB FILTER/1H DELAY
Q206
SYNC SEPARATOR
Q112
EXT VIDEO
BUFFER
Q116
VIDEO OUTPUT CONTROL
Q115
Y INPUT AMP.
Q302
MUTE
CONTROL
DRIVER
Q304
VIDEO
MUTE
DRIVER
Q303
AUDIO
MUTE
DRIVER
VR403
V.CENTER
L502
H.SIZE
L501
H.LIN
Q502
HORIZONTAL
DEFLECTION
OUTPUT
Q501
HORIZONTAL
DEFLECTION
DRIVER
VR401
V.SIZE
Q503,504
PROTECTION
IC901 +9V REG.
Q909
+5V REG.
Q208
INT VIDEO
BUFFER
Q908
POWER
CONTROL
DRIVER
Q910,911
PROTECTION
CONTROL DRIVER
Q906.907
POWER
CONTROL
AMP.
X301 8 MHz
Q901-905
POWER
SWITCHING
REGULATOR
Q118
OSD OUTPUT
BUFFER
Q102
VIDEO B
PRE-AMP.
∗ marked parts of CRT Board are shown in below.
Important safety notice
Components Identified by " " mark have special characteristics for safety.
When replacing any of these components, use only manufacturer's specified parts.
820 82 x 10 = 82 pF
102 10 x 10 = 1000 pF = 0.001 µF
104 10 x 10 = 100000 pF = 0.1 µF
Note: The value indicated in the schematic diagram should be read as follows:
Multiplier (0 - 5)
2nd. Significant Digit (0 - 9)
1st. Siginificant Digit (1 - 9)
<Example>
For Resistor:
330 33 x 10 = 33 Ω
561 56 x 10 = 560 Ω
123 12 x 10 = 12k Ω
0R00 = 0 Ω
0
1
3
0
2
4
010 1 x 10 = 1 µH
8R2 8.2 x 10 = 8.2 µH
101 10 x 10 = 100 µH
0
0
1
For Capacitor
(Except Electrolytic Capacitor and Tantalum Capacitor): For Coil:
< VOLTAGE >
MAIN BOARD
< WAVEFORM >
MAIN BOARD
< VOLTAGE >
CRT BOARD
IC901
12.9
0
9.1
IC601
7.8
3.4
0
0.4
5.9
5.9
0
6.0
12.7
IC301
5.7
5.7
0
IC304
4.9
5.9
0
IC401
9.1
4.1
4.5
4.6
0
4.4
4.5
22.4
1.7
15.0
0
13.0
22.7
IC101
5.6
4.3
5.6
0
0
9.1
4.8
0
IC303
0
0
0
0
5.6
5.6
0
5.7
Pin 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC102
5.1
0.3
0
0
0.8
0.3
0.5
0
5.1
0
3.1
3.1
0.2
1.5
0.2
1.5
Q904
905
1
1.4
1.2
2
0.4
0.1
3
–2.8
–
4
–0.3
–0.2
Q102
103
104
105
106
112
115
116
117
118
119
120
121
202
203
206
208
302
303
304
501
502
503
504
602
901
902
903
906
907
908
909
910
911
B
5.6
0
0
0.6
0
4.1
7.1
5.4
0
0
0
0
0
5.5
9.1
6.0
3.9
0
0
0
0.3
0
–0.2
0
0
–
–2.8
(G) –0.2
12.0
6.2
0
5.7
0
0
C
9.1
0.3
0
5.1
4.7
9.1
9.1
0
0
9.1
4.9
0.2
0
0
1.1
0
5.1
0
0.2
26.2
24.5
122.0
0.7
0.1
0.2
145.0
–0.2
(D) –
1.4
11.4
5.6
12.8
0.1
1.2
E
6.0
0
4.3
1.2
–2.7
4.8
7.8
4.8
0.1
0
0.2
4.1
4.3
4.8
8.8
5.4
4.5
3.2
0
0.1
0
0
0
0.7
5.2
–0.2
–3.4
(S) –0.2
11.4
6.8
1.2
5.0
0.7
0
Q801
802
803
B
2.8
2.8
2.6
C
103.4
104.2
106.2
E
2.5
2.5
2.3
1. 20 µ s/DIV, 20 V/DIV
2. 5ms/DIV, 1 V/DIV
3. 5 ms/DIV, 10 V/DIV
4. 1
µ s/DIV, 100 mV/DIV
< INDEX >
MAIN BOARD < INDEX > CRT BOARD
IC101 E2
IC102 F3
IC103 D4
IC301 B2
IC302 B3
IC303 B5
IC304 E7
IC401 C6
IC601 F7
IC901 B5
Q101 E1
Q102 D1
Q103 D2
Q104 D2
Q105 D3
Q106 D2
Q107 F4
Q108 F4
Q112 E6
Q115 E5
Q116 D5
Q117 E4
Q118 C4
Q119 D2
Q120 C2
Q121 D2
Q202 E3
Q203 E2
Q206 E6
Q208 B5
Q209 F5
Q210 F5
Q211 F6
Q212 E6
Q302 E7
Q303 E7
Q304 E7
Q501 B5
Q502 B6
Q503 A6
Q504 A6
Q602 F6
Q901 A3
Q902 A3
Q903 A2
Q904 A3
Q905 A3
Q906 A3
Q907 A4
Q908 A4
Q909 A4
Q910 A4
Q911 A4
D101 D1
D102 D1
D104 C5
D205 E2
D301 E7
D303 D6
D304 D6
D305 D6
D306 E7
D307 E7
D308 B3
D309 E7
D310 C2
D311 B2
D312 B2
D402 C6
D501 B5
D502 B6
D503 B6
D505 A6
D506 A6
D507 A5
D508 A6
D509 A6
D510 A5
D511 A6
D512 A6
D513 A5
D515 A5
D516 A6
D517 A5
D601 F1
D901 A2
D902 A3
D903 A3
D904 B3
D905 A3
D906 A3
D907 B3
D908 A3
D909 A3
D910 A5
D911 A4
D913 A5
D914 A5
D915 A5
D916 A5
D917 A4
D918 A4
D919 A3
VC301 C4
Q801 D8
Q802 D8
Q803 C8
D801 C7
D802 C8
SCHEMATIC DIAGRAM

– 11 –
E101
(E101:K1PC06D00001)
AUDIO
TO
CRT BOARD . . .CN804
CN805 CN804
TO MAIN BOARD
. . .E501 TO MAIN BOARD . . .E101
CN802
TO CRT (V801)
(USE E804:K4DJD0000015)
CN801
TO
MAIN BOARD
. . .E904
CN806
TO
MAIN BOARD
. . .T502 (SCREEN)
E501 (E501:K1PC05D00001)
(E904:K4DJD0000016)
HV(ANODE) :TO CRT
(V801)
FOCUS :TO CRT BOARD
. . .CN803
SCREEN :TO CRT BOARD
. . .CN806
T502
TO CRT BOARD . . .CN805 CN601
CN902
TO DEGAUSSING COIL (L1)
CN401
SPEAKER
(SP601)
TO
DEFLECTION
COIL ( L401)
E904
VIDEO B
IN/OUT
VIDEO A
IN/OUT
AUDIO
IN/OUT
TO
CRT BOARD
. . .CN801
E601
(E601:
K1PB02000018)
CN901 AC IN
(E914:
YWVM1910L09)
TO POWER CABLE(E1)
CN803
TO CRT (V801)
AND MAIN BOARD
. . .T502 (FOCUS)
CRT BOARD
(COMPONENT SIDE)
CRT BOARD
(PATTERN SIDE)
MAIN BOARD (COMPONENT SIDE) MAIN BOARD (PATTERN SIDE)
A
B
C
D
E
F
1234 5 6 78
< INDEX >
MAIN BOARD
IC101 F7
IC102 C7
IC103 C3
IC301 B2
IC302 B2
IC303 B7
IC304 D3
IC401 D4
IC601 E3
IC901 F2
Q101 F7
Q102 F7
Q103 F7
Q104 F7
Q105 C7
Q106 C7
Q107 C7
Q108 C7
Q112 C7
Q115 B7
Q116 B6
Q117 C6
Q118 B6
Q119 C7
Q120 C7
Q121 F7
Q202 C7
Q203 C7
Q206 B6
Q208 C5
Q209 C6
Q210 D6
Q211 D7
Q212 C6
Q302 D7
Q303 E7
Q304 C7
Q501 D3
Q502 D4
Q503 F6
Q504 F6
Q602 E7
Q901 D1
Q902 D2
Q903 D2
Q904 D2
Q905 D2
Q906 E8
Q907 E8
Q908 E7
Q909 F2
Q910 D7
Q911 D7
D101 F7
D102 F7
D104 B6
D205 C8
D301 D7
D303 C7
D304 C7
D305 C7
D306 D7
D307 E7
D308 B7
D309 E7
D310 B7
D311 B7
D312 C7
D402 D4
D501 F6
D502 F6
D503 E4
D505 E6
D506 E6
D507 E6
D508 E6
D509 F6
D510 F6
D511 F6
D512 E3
D513 E6
D515 F6
D516 D7
D517 F6
D601 F7
D901 C1
D902 D2
D903 D2
D904 D2
D905 D2
D906 D2
D907 E2
D908 E2
D909 E8
D910 B1
D911 F7
D913 F7
D914 F7
D915 F7
D916 F7
D917 D7
D918 E7
D919 D2
VC301 B7
< INDEX >
CRT BOARD
Q801 A3
Q802 A4
Q803 A4
D801 A3
D802 A3
CONDUCTOR VIEW

XSB3+6FN Bindign Head Screws
XSB3+8FN Bindign Head Screws
XTB3+6AFX Bindign Head Tapping Screws
XTN3+8CFN Pan Head Tapping Screws
XYN3+F8FN Pan Head Screw and Washer Ass'y
XSB4+6FN Bindign Head Screws
XTB4+10CFN Bindign Head Tapping Screws
XTB4+20AFX Bindign Head Tapping Screws
XWC3BFN Internal Toothed Lock Washer
XWC4BFN Internal Toothed Lock Washers
XWG4FX Round Plain Washers
1
2
3
4
5
6
7
8
9
10
11
ScrewsNo. Description
Numbers show screws, washers, nuts and etc.
1
1
1
1
5
74
2
2
2
2
11 8
3
1
1
9
10
6
1
1
1
M1
M4
E804
M10
M13
M26
M29
M17
M14
M11
M28
M30
M15
M12
L401
L1
V801
M2
M2
M5
M7
PCB2
SP601
PCB1
M15
M16
M18
M23
M34
M37
M15
M20
M27
M31
E601
M32
M36
M35
Serial No. Label
PACKAGING
M41,M42
WV-CM1020
E1,M43
M45
M46
M46
M46
M46
M46
M47
EXPLODED VIEW
– 12 –

– 13 –
V801 YA22JWG098X Cathode Ray Tube
L1 YG0ZZ00001535 Degaussing Coil
L401 YG0F200000001 Deflection Coil
SP601 L0AA70B00001 Speaker
E601 K1PB02000018 Wire Assy for Main Board CN601and SP601
E804 K4DJD0000015 Wire Assy for CRT Board CN802 and V801
M1 YWV5BA1045A1 Front Escutcheon
M2 YWV1AB1074A4 Special Screw (X2)
M4 YWV2NA1113A3 Spacer for Yoke
M5 YWSF2001 Cord Clamp
M7 YWV4JA0254A4 CRT Spring
M10 YWA5RG0141A3 Power Knob
M11 YWV6JA1159A3 Push Button
M12 YWV6JA1160A3 Select Button
M13 YWV2SA4756A3 Mounting Angle for Power Switch
M17 UAMS-05SV0 Cord Clamp
M18 YW2092051801 Support
M20 YW1E19 Spacer
M26 YWV2KA1265A2 Left Side Chassis
M27 YWV2KA1266A2 Right Side Chassis
M28 YWV2PA1219A3 Insulator
M29 YWV5EA2393A2 Bottom Cover
M30 YW3E32 Clip (X2)
M31 YWV5LA0067A4 Rubber Foot
M32 YWA2LA0070A4 Joint
M34 YWV5EA2394A1 Upper Cover
M35 YYWV7QA5260A4 Main Label for WV-CM1020/B
YWV7QA5261A4 Main Label for WV-CM1020/G
M36 Y–––––––––––––– BEAB Label for WV-CM1020/B
M37 YYWV7MA1091A4 High Voltage Label
PCB1 (RTL) VM102EKB1AYP Printed Circuit Board Assy
IC101 C0ZBZ0000013 IC
IC102 C0ZBZ0000014 IC
IC103 AN5192K-B IC
IC301 C0EAJ0000019 IC
IC302 C2BAGE000006 IC
IC303 C0ZBZ0000015 IC
IC304 C0EAJ0000019 IC
IC401 YWLA7837 IC
IC601 YWAN5265 IC
IC901 YYWKIA7809PI IC
Q101-103 2SC2412K-T46 Transistor
Q104 DTC144TKAT46 Transistor
Q105,106 2SC2412K-T46 Transistor
Q112,115 2SC2412K-T46 Transistor
Q116 B1ADCF000004 Transistor
Q117 B1GBCFJN0004 Transistor
Q118 2SC2412K-T46 Transistor
Q119 B1GBCFJN0004 Transistor
Q120,121 DTC144TKAT46 Transistor
Q202,203 B1ADCF000004 Transistor
Q206 B1ADCF000004 Transistor
Q208 2SC2412K-T46 Transistor
Q302 B1GBCFNL0001 Transistor
Q303 DTC144TKAT46 Transistor
Q304 DTC143ZKAT46 Transistor
Q501 2SC3468-DE Transistor
Q502 YB1GARRAM0001 Transistor
Q503,504 2SC2412K-T46 Transistor
Q602 B1GBCFJN0004 Transistor
Q901 Y2SC4429-LM Transistor
Q902 2SD2576 Transistor
Q903 B1DEBD000001 FET
Q904,905 YYWPC123FY2 Photo Coupler
Q906 B1ADCF000004 Transistor
Q907 2SC2412K-T46 Transistor
Q908 B1GBCFJN0004 Transistor
Q909 2SD2576 Transistor
Q910 2SC2412K-T46 Transistor
Q911 B1GBCFJN0004 Transistor
VS901 YYWJ10N471KYB Varistor
D101,102 B0BC8R100001 Diode
D104 YW1SS355T7 Diode
D205 YW1SS355T7 Diode
D301 YW1SS355T7 Diode
D303-305 YW1SS355T7 Diode
REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION
REPLACEMENT PARTS LIST
Important Notice
1. Components identified by " Y" mark have special characteristics important for safety.
When replacing any of these components, use only manufacturer's specified parts.
2. RTL : Retention Time Limited (No longer available after discontinuing product).
MISCELLANEOUS MAIN BOARD

– 14 –
D306 B0BC5R000002 Diode
D307-310 YW1SS355T7 Diode
D311,312 B0BC5R600003 Diode
D402 YW1T2TA Diode
D501 YW1SS355T7 Diode
D502 B0BC8R100001 Diode
D503 B0HAMR000002 Diode
D505 YW1SS355T7 Diode
D506 B0BC3R000006 Diode
D507 YW1SS355T7 Diode
D508 B0JDCC000002 Diode
D509 B0BC01300001 Diode
D510 YW1SS355T7 Diode
D511 B0BC8R100001 Diode
D512 YWSFR105STA Diode
D513 YW1SS355T7 Diode
D515 B0BC01300001 Diode
D516 YW1SS355T7 Diode
D517 B0BC01300001 Diode
D601 B0BC8R100001 Diode
D901 YB0EBNP000001 Diode
D902-906 YWSFR105STA Diode
D907 YWERB3710 Diode
D908 YWERC3001 Diode
D909 B0BC6R100003 Diode
D910 B3ABA0000309 LED
D911 B0BC5R600003 Diode
D913 B0BC3R000006 Diode
D914 YW1SS355T7 Diode
D915 B0BC8R100001 Diode
D916,917 YW1SS355T7 Diode
D918 B0BC6R800007 Diode
D919 YWRD7.5FB2 Diode
TH901 YWPT451CBG18 Thermistor
R11 ERJ14Y0R00H Carbon 0 ohm 1/4W
R13-20 ERJ14Y0R00H Carbon 0 ohm 1/4W
R23-27 ERJ14Y0R00H Carbon 0 ohm 1/4W
R101 ERJ6GEYJ750V Carbon 75 ohms 1/10W
R102 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R103 ERJ6GEYJ683V Carbon 68K ohms 1/10W
R104 ERJ6GEYJ563V Carbon 56K ohms 1/10W
R105,106 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R107 ERDS2TJ153T Carbon 15K ohms 1/4W
R109 ERJ6GEYJ750V Carbon 75 ohms 1/10W
R110 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R111 ERJ6GEYJ683V Carbon 68K ohms 1/10W
R112 ERJ6GEYJ563V Carbon 56K ohms 1/10W
R113,114 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R117 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R118 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R119 ERJ6GEYJ224V Carbon 220K ohms 1/10W
R120 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R146 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R147 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R149 ERJ6GEYJ681V Carbon 680 ohms 1/10W
R154 ERDS2TJ561T Carbon 560 ohms 1/4W
R155 ERDS2TJ331T Carbon 330 ohms 1/4W
R156 ERDS2TJ181T Carbon 180 ohms 1/4W
R158 ERJ6GEYJ684V Carbon 680K ohms 1/10W
R159 ERDS2TJ221T Carbon 220 ohms 1/4W
R160 ERDS2TJ561T Carbon 560 ohms 1/4W
R161 ERDS2TJ271T Carbon 270 ohms 1/4W
R162 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R163 ERDS2TJ103T Carbon 10K ohms 1/4W
R164 ERG2SJ151P Metal 150 ohms 2W
R165 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R166 ERJ6GEYJ222V Carbon 2.2K ohms 1/10W
R169 ERJ6GEYJ123V Carbon 12K ohms 1/10W
R170 ERJ6GEYJ334V Carbon 330K ohms 1/10W
R172 ERJ6GEYJ752V Carbon 7.5K ohms 1/10W
R173 ERJ6GEYJ681V Carbon 680 ohms 1/10W
R174 ERJ6GEYJ331V Carbon 330 ohms 1/10W
R175 ERJ6GEYJ105V Carbon 1M ohms 1/10W
R176,177 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R178-180 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R181-183 ERJ6GEYJ471V Carbon 470 ohms 1/10W
R184 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R185 ERDS2TJ472T Carbon 4.7K ohms 1/4W
R186 ERDS2TJ102T Carbon 1K ohms 1/4W
R189 ERJ6GEY0R00V Carbon 0 ohm 1/10W
R192 ERDS2TJ272T Carbon 2.7K ohms 1/4W
R219 ERDS2TJ102T Carbon 1K ohms 1/4W
R220 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R221 ERJ6GEYJ153V Carbon 15K ohms 1/10W
R222 ERJ6GEYJ104V Carbon 100K ohms 1/10W
R223 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R232 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R236 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R237,238 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R239 ERJ6GEYJ222V Carbon 2.2K ohms1/10W
R240 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R241 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R242 ERJ6GEYJ684V Carbon 680K ohms 1/10W
R301-305 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R306,307 ERDS2TJ102T Carbon 1K ohms 1/4W
R308 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R309 ERDS2TJ102T Carbon 1K ohms 1/4W
R310 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R311-314 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R315 ERJ6GEYJ473V Carbon 47K ohms 1/10W
R317 ERDS2TJ333T Carbon 33K ohms 1/4W
R318,319 ERJ6GEYJ333V Carbon 33K ohms 1/10W
R320,321 ERDS2TJ103T Carbon 10K ohms 1/4W
R325,326 ERDS2TJ560 Carbon 56 ohms 1/4W
R327-329 ERJ6GEYJ333V Carbon 33K ohms 1/10W
R333-335 ERJ6GEYJ472V Carbon 4.7K ohms 1/10W
R339 ERJ6GEYJ472V Carbon 4.7K ohms 1/10W
R340 ERJ6ENF1301 Metal 1.3K ohms 1/10W
R341 ERJ6ENF1101V Metal 1.1K ohms 1/10W
R343 ERJ6GEYJ103V Carbon 10K ohms 1/10W
REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION

– 15 –
R350 ERJ6GEYJ471V Carbon 470 ohms 1/10W
R351 ERJ6GEYJ154V Carbon 150K ohms 1/10W
R355 ERDS2TJ101T Carbon 100 ohms 1/4W
R356-358 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R362 ERDS2TJ103T Carbon 10K ohms 1/4W
R364,365 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R366 ERJ6GEYJ473V Carbon 47K ohms 1/10W
R367 ERG2SJ820P Metal 82 ohms 2W
R368 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R369 ERDS2TJ103T Carbon 10K ohms 1/4W
R401 ERDS2TJ102T Carbon 1K ohms 1/4W
R405 ERJ6GEYJ393 Carbon 39K ohms 1/10W
R406 ERJ6ENF3602V Metal 36K ohms 1/10W
R407 ERJ6ENF1802V Metal 18K ohms 1/10W
R408 ERJ6ENF4702V Metal 47K ohms 1/10W
R409 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R410,411 ERO25TKF3R00 Metal 3 ohms 1/4W
R412 ERJ6GEYJ4R7V Carbon 4.7 ohms 1/10W
R413 ERJ6GEYJ222V Carbon 2.2K ohms 1/10W
R414 ERG1SJ331 Metal 330 ohms 1W
R415 ERJ6GEYJ683V Carbon 68K ohms 1/10W
R501 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R502 ERJ6GEYJ821 Carbon 820 ohms 1/10W
R503 ERJ6GEYJ272V Carbon 2.7K ohms 1/10W
R504 ERG5SJ103 Metal 10K ohms 5W
R505 ERJ6GEYJ682V Carbon 6.8K ohms 1/10W
R506 ERJ6GEYJ273V Carbon 27K ohms 1/10W
R507 ERDS2TJ272T Carbon 2.7K ohms 1/4W
R512 ERJ6GEYJ472V Carbon 4.7K ohms 1/10W
R513 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R514,516 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R517 ERJ6GEYJ124 Carbon 120K ohms 1/10W
R518 ERJ6GEYJ104V Carbon 100K ohms 1/10W
R519 ERJ6GEYJ912 Carbon 9.1K ohms 1/10W
R520 ERDS2TJ103T Carbon 10K ohms 1/4W
R521 ERJ6GEYJ331V Carbon 330 ohms 1/10W
R522 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R523 ERJ6GEYJ273V Carbon 27K ohms 1/10W
R524 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R525 ERJ6ENF3301 Metal 3.3K ohms 1/10W
R526 ERJ6ENF1102V Metal 11K ohms 1/10W
R528 ERJ6GEYJ333V Carbon 33K ohms 1/10W
R529 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R530 ERJ6GEYJ471V Carbon 470 ohms 1/10W
R531 ERJ6GEYJ473V Carbon 47K ohms 1/10W
R532 ERJ6GEYJ333V Carbon 33K ohms 1/10W
R601 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R603 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R609 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R610 ERG1SJ101 Metal 100 ohms 1W
R611 ERJ6GEYJ103V Carbon 10K ohms 1/10W
R612 ERJ6GEYJ224V Carbon 220K ohms 1/10W
R613 ERJ6GEYJ681V Carbon 680 ohms 1/10W
R614 ERDS2TJ123T Carbon 12K ohms 1/4W
R615 ERD50FJ4R7 Carbon 4.7 ohms 1/2W
R616 YERQ14AJ6R8P Fuse Resistor 6.8 ohms 1/4W
R901 YERC12ZGM225 Solid 2.2M ohms 1/2W
R902 YERC12ZGM156 Solid 15M ohms 1/2W
R903 D0DK3R9J0001 Wire Wound 3.9 ohms
R904,905 ERG1SJ683 Metal 68K ohms 1W
R906 ERDS2TJ474 Carbon 470K ohms 1/4W
R907,908 ERD25FJ224 Carbon 220K ohms 1/4W
R909 ERJ6GEYJ223V Carbon 22K ohms 1/10W
R910 ERJ6GEYJ221V Carbon 220 ohms 1/10W
R911-913 ERG3SJ180 Metal 18 ohms 3W
R914 ERG5SJ333P Metal 33K ohms 5W
R915 ERX3SJR33P Metal 0.33 ohms 3W
R916 ERJ6GEYJ222V Carbon 2.2K ohms 1/10W
R917 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R918 ERG5SJ183 Metal 18K ohms 5W
R919 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R920 ERJ6GEYJ561V Carbon 560 ohms 1/10W
R921 ERJ6GEYJ102V Carbon 1K ohms 1/10W
R922 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R923,924 ER050CKF1302 Metal 13K ohms 1/10W
R925 ERDS2TJ103T Carbon 10K ohms 1/4W
R926 ERJ6GEYJ153V Carbon 15K ohms 1/10W
R928 ERJ6ENF1601V Metal 1.6K ohms 1/10W
R931 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R932 ERDS2TJ102T Carbon 1K ohms 1/4W
R933 ERDS2TJ472T Carbon 4.7K ohms 1/4W
R934,935 ERJ6GEYJ152V Carbon 1.5K ohms 1/10W
R936 ERJ6GEYJ473V Carbon 47K ohms 1/10W
R939 ERJ6GEYJ104V Carbon 100K ohms 1/10W
R941,942 ERJ6GEYJ102V Carbon 1K ohms 1/10W
VR401 EVNDCAA03B54 Variable Resistor 50K ohms
VR403 EVMEGSA00B23 Variable Resistor 2K ohms
C101,102 EEUEB1H100SB Electrolytic 10 µF 50V
C103,104 F1J1H102A400 Ceramic 1000 pF
C105 EEUEB1A101B Electrolytic 100 µF10V
C106,107 F1J1H103A021 Ceramic 0.01 µF
C108 EEUEB1A101B Electrolytic 100 µF10V
C109,110 F1J1H103A021 Ceramic 0.01 µF
C111,112 MCUV1E104KBN Ceramic 0.1 µF
C123 F1J1H103A021 Ceramic 0.01 µF
C124 MCUV1H820JCN Ceramic 82 pF
C125 F1J1H102A400 Ceramic 1000 pF
C127 EEUEB1E101B Electrolytic 100 µF 25V
C128 EEUEB1H4R7SB Electrolytic 4.7 µF 50V
C129 EEUEB1H100SB Electrolytic 10 µF 50V
C130 EEUEB1H2R2SB Electrolytic 2.2 µF 50V
C131 YF400681CHJT Ceramic 680 µF 50V
C132 EEUEB1H1R0SB Electrolytic 1 µF 50V
C133 MCUV1E104KBN Ceramic 0.1 µF
C134 F1J1H102A400 Ceramic 1000 pF
C135,136 EEUEB1E470B Electrolytic 47 µF 25V
C137,138 YF400223XKT Ceramic 0.022 µF
C139 EEUEB1H100SB Electrolytic 10 µF 50V
C140 F1J1H2200004 Ceramic 22 pF
C142-144 YF400683XKT Ceramic 0.068 µF
REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION

– 16 –
C145 MCUV1E104KBN Ceramic 0.1 µF
C146 YF400223XKT Ceramic 0.022 µF
C147 EEUEB1H2R2SB Electrolytic 2.2 µF 50V
C149 F1J1H9R0A408 Ceramic 9 pF
C154 F1J1H103A021 Ceramic 0.01 µF
C155 ECA1CHG102B Electrolytic 1000 µF 16V
C156 YF400223XKT Ceramic 0.022 µF
C157 EEUEB1H1R0SB Electrolytic 1 µF 50V
C158 EEUEB1H100SB Electrolytic 10 µF 50V
C159 F1J1H103A021 Ceramic 0.01 µF
C162 MCUV1E104KBN Ceramic 0.1 µF
C207 F1J1H331A410 Ceramic 330 pF
C208 MCUV1E104KBN Ceramic 0.1 µF
C210,211 MCUV1E104KBN Ceramic 0.1 µF
C216 EEUEB1H100SB Electrolytic 10 µF 50V
C221 EEUEB1H1R0SB Electrolytic 1 µF 50V
C301 ECA0JHG222B Electrolytic 2200 µF 6.3V
C302,303 F1J1H103A021 Ceramic 0.01 µF
C305 MCUV1E104KBN Ceramic 0.1 µF
C306 F1J1H330A410 Ceramic 33 pF
C307 YF400120CHJT Ceramic 12 pF
C309 F1J1H102A400 Ceramic 1000 pF
C310,311 F1J1H101A410 Ceramic 100 pF
C312,313 MCUV1E104KBN Ceramic 0.1 µF
C314 EEUEB1E470B Electrolytic 47 µH 25V
C315-317 MCUV1E104KBN Ceramic 0.1 µF
C318-322 F1J1H102A400 Ceramic 1000 pF
C401 EEUEB1E101B Electrolytic 100 µF 25V
C402 ECQV1H105JL3 Plastic 1µF 50V
C404 EEUEB1H101SB Electrolytic 100 µF 50V
C405 YF400100CHDT Ceramic 10 pF
C406 ECSF1VE225 Tantalum 2.2 µF35V
C407 EEUFC1E681B Electrolytic 680 µF 25V
C408,409 YF400223XKT Ceramic 0.022 µF
C410,411 F1J1H103A021 Ceramic 0.01 µF
C412 MCUV1E104KBN Ceramic 0.1 µF
C501,502 YWBC7182KH Ceramic 1800 pF
C503 ECA2VHG4R7B Electrolytic 4.7 µF350V
C504 ECWH16272HV Plastic 2700 pF 16V
C505 ECWH16222HV Plastic 2200 pF 16V
C506 ECKD3D121KBP Ceramic 120 pF
C507 F0A2E1540001 Plastic 0.15 µF 250V
C508,509 YWBC7182KH Ceramic 1800 pF
C510 ECA1EHG102B Electrolytic 1000 µF 25V
C512 ECA2CHG220B Electrolytic 22 µF 160V
C513 MCUV1E104KBN Ceramic 0.1 µF
C514 EEUEB1H2R2SB Electrolytic 2.2 µF 50V
C515 MCUV1E104KBN Ceramic 0.1 µF
C516 EEUEB1H1R0SB Electrolytic 1 µF 50V
C517 EEUEB1E101B Electrolytic 100 µF25V
C518 EEUEB1H100SB Electrolytic 10 µF 50V
C519 YF400271CHJT Ceramic 270 pF
C520 YF400333XKT Ceramic 0.033 µF
C521 F1J1H180A410 Ceramic 18 pF
C522 F1J1H102A400 Ceramic 1000 pF
C601 EEUEB1H1R0SB Electrolytic 1 µF 50V
C606 EEUEB1E101B Electrolytic 100 µF 25V
C607 F1J1H272A400 Ceramic 2700 pF
C608 EEUEB1H1R0SB Electrolytic 1 µF 50V
C609 EEUEB1H4R7SB Electrolytic 4.7 µF 50V
C610 EEUEB1H100SB Electrolytic 10 µF 50V
C611 F1J1H473A022 Ceramic 0.047 µF
C612 ECA1CHG102B Electrolytic 1000 µF 16V
C613 EEUEB1E331B Electrolytic 330 µF 25V
C901,902 YYWX75M104VS1 Plastic 0.1 µF
C903-905 YECKDNA102ME Ceramic 1000 pF
C907 EC0S2GA121BB Electrolytic 120 µF 40V
C908 EEUEB1E101B Electrolytic 100 µF 25V
C909 MCUV1E104KBN Ceramic 0.1 µF
C910 EEUFC1V181B Electrolytic 180 µF 35V
C911 ECQB1H683JM3 Plastic 0.068 µF 50V
C912 YWFE2K104TS1 Plastic 0.1 µF 250V
C913 YWBC5221KH Ceramic 220 pF
C914 EEUFC1V181B Electrolytic 180 µF 35V
C915 ECA2CHG101 Electrolytic 100 µF 160V
C916 ECA2CHG470B Electrolytic 47 µF 160V
C917 ECA1EHG102B Electrolytic 1000 µF 25V
C918 ECQE2153JF Plastic 0.015 µF
C919 F1J1H332A400 Ceramic 3300 pF
C920,921 EEUEB1E471B Electrolytic 470 µF 25V
C923 EEUEB1A471B Electrolytic 470 µF 10V
C924 MCUV1E104KBN Ceramic 0.1 µF
C925,926 EEUEB1H100SB Electrolytic 10 µF 50V
VC301 B0CDAB000006 Variable Resistor
L106 G0C150K00001 Coil
L301 YWLAP2TA330K Coil 33 µH
L501 G0D181000001 Coil
L502 G2ZZ00000016 Coil
L901 YYW0.7A453F28 Coil
L903,904 YWFL5R200 Coil 5.2 µH
L905,906 YWCD2912221 Coil
L910 ELEAC470KA Coil 47 µH
T501 TLH15412 Low Freq Transformer
T502 YG4G2D0000001 Flyback Transformer
T901 YG4D3A0000007 High Freq Transformer
SW101 YWSPUP192WNS Push Switch
SW301-305 K0H1BB000042 Tact Switch
SW901 YYWSDDFA3 Push Switch
X101 H2A156200001 Oscillator
X102 H0D443400011 Crystal Oscillator
X301 H2A800400005 Oscillator
SF501 YK5G631A00002 Current Fuse 0.63A
F901 YK5D402BK0002 Current Fuse 4A
JK601 YWT5854AAAG Jack
CN101,102 YYWP2325 Connector
CN301 K1KA04A00173 4-pin Connector
CN401 YK1KA04A00172 4-pin Connector
CN601 YK1KA03A00083 3-pin Connector
CN901 YYWM1818 AC Connector
CN902 YWB2P3VH 3-pin Connector
REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION

– 17 –
E101 K1PC06D00001 Wire Assy for CRT Board CN804
E102 YW49USPACER Insulator Crystal Spacer
E501 K1PC05D00001 Wire Assy for CRT Board CN805
E901 YWSK0279 Fuse Holder
E902 YWSK0280 Fuse Holder
E904 K4DJD0000016 Wire Assy for CRT Board CN801
E912 YWMEP1866 Terminal
E913 YFCD20ACCAP Insulator Cap for E914
E914 YWVM1910L09 Ground Wire
M14 YWV2NA0463B3 Spacer
M15 YWV7DA1112A2 Heat Sink (X3)
M16 YWV7DA1113A3 Heat Sink
M23 YWV5WA2534A2 Rear Panel
PCB2(RTL) VM102EKC1AYP Printed Circuit Board Assy
Q801-803 2SC3063 Transistor
D801,802 YW1T2TA Diode
R802,804 ERG3SJ682P Metal 6.8K ohms 3W
R806 ERG3SJ682P Metal 6.8K ohms 3W
R807-809 ERC14GK332C Solid 3.3K ohms 1/4W
R810-812 ERJ6GEYJ101V Carbon 100 ohms 1/10W
R814 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R815 ERJ6GEYJ561V Carbon 560 ohms 1/10W
R816 ERJ6GEY0R00V Carbon 0 ohms 1/10W
R817 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R818 ERJ6GEYJ561V Carbon 560 ohms 1/10W
R820 ERJ6GEYJ332V Carbon 3.3K ohms 1/10W
R821 ERJ6GEYJ561V Carbon 560 ohms 1/10W
R822 YERQ12AJ3R3P Carbon 3.3 ohms 1/10W
C802 F1J1H181A410 Ceramic 180 pF
C803 YF400120CHJT Ceramic 12 pF
C804 F1J1H121A410 Ceramic 120 pF
C806 F1J1H181A410 Ceramic 180 pF
C807 ECA2VHG4R7B Electrolytic 4.7 µF 350V
C808 ECKD3D122KBP Ceramic 1200 pF
C809 ECA2VHG4R7B Electrolytic 4.7 µF 350V
CN801,802 YWRT01T1.3B 1-pin Connector
CN803 YK3B09EA00001 CRT Socket
CN804 K1KA06A00161 6-pin Connector
CN805 K1KA05A00124 5-pin Connector
CN806 YWB1PLVTN 1-pin Connector
E1 YYWSP60VVF20 AC Power Cable Assy for WV-CM1020/B
YWACP45G AC Power Cable Assy for WV-CM1020/G
M41 YYWV8QA5238AN Operating Instructions
M42 PE26X40C05B Polyethylene Bag
M43 PE20X35C05B Polyethylene Bag
M45 XZB60X70A05 Polyethylene Bag
M46 V9CA4058AN Packaging Assy
M47 YWV7SA2037A3 Bar Cord Label
REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION
CRT BOARD
ACCESSORY PARTS / PACKAGING PARTS