DOWNLOAD Panasonic WV-CM1480 / WV-CM1780 / WV-CM2080 Service Manual ↓ Size: 1.49 MB | Pages: 38 in PDF or view online for FREE

Model
WV-CM1480 WV-CM1780 WV-CM2080
Pages
38
Size
1.49 MB
Type
PDF
Document
Service Manual
Brand
Device
Video Monitoring / MONITOR
File
wv-cm1480-wv-cm1780-wv-cm2080.pdf
Date
PREV: Panasonic WV-CM1470 Simplified Service Manual

Panasonic WV-CM1480 / WV-CM1780 / WV-CM2080 Service Manual ▷ View online

– 10 –
MAIN  BOARD
(COMPONENT SIDE)
CRT  SOCKET  BOARD
(COMPONENT SIDE)
TP901
(120V)
TP502 (FBT)
R918
TP802 (G)
TP801 (R)
TP803 (B)
FOCUS
SCREEN
MENU
+
–
FRONT  SIDE
REAR  SIDE
L102
(COMB-2)
VR101
(COMB-1)
(NTSC only)
LOCATION OF TEST POINTS AND ADJUSTING CONTROLS
– 11 –
CN807
1
5
1
6
CN804
CN809
CN806
CN803
CRT
SOCKET
CN808
GRAY
(SCREEN)
WHITE
(FOCUS)
T502
T502
FLYBACK
TRANSFORMER
G3
G2
JK901
AC INLET
SOCKET
E904
(WV-CM1480:VM142L03)
(WV-CM1780:VM142L03)
(WV-CM2080:K4EP13C00001)
E2
(WV-CM1480:VM1480L04A)
(WV-CM1780:K4DJD0000020)
(WV-CM2080:K4EP17000001)
E501
(WV-CM1480:VM142L02)
(WV-CM1780:VM142L02)
(WV-CM2080:K1PA04D00001)
E201
(WV-CM1480:VM142L01)
(WV-CM1780:VM142L01)
(WV-CM2080:K1PA07D00001)
E
E4
(YWVM1910L09)
RED
(ANODE)
E904
(E501)
1
5
CN401
L1
DEFLECTION
COIL
L2 DEGAUSSING COIL
CRT1
CATHODE RAY TUBE
1
4
CN601
(E201)
1
1
3
7
CN902
1
2
SP1
SPEAKER
E3
(VM1020L05A)
MAIN BOARD
CRT SOCKET BOARD
WIRING DIAGRAM
AUDIO  ACH
AUDIO  BCH
VIDEO  ACH
VIDEO  BCH
STANDBY
ON/OFF
FA/CTRL
DATA  IN
DATA  OUT
MAIN  BOARD
IN1B
IN1A
IN2B
IN2A
IN3B
IN3A
OUT1
CTL1
1
16
14
11
9
8
OUT2
CTL2
OUT3
CTL3
IC101
SELECTOR
Q119
Q107,L102
L103
VR101
VR101
COMB-1
L103  
COMB-2
NTSC  ONLY
S-VIDEO
(AUDIO BCH)
AUDIO
AMP
5
12
6
7
COMB FILTER
Q108-Q111
C122,C123,L108
Q112-Q115
Q117
Q118
IC102
AMP
CHROMA
B.P.F.
3
7
1
2
AMP
L110
BUFFER
KILLER OUT
CHROMA IN
EXT VIDEO IN
INT VIDEO IN
HOR VCO
R OUT
G OUT
B OUT
VIDEO OUT
54
Y IN
VER SYNC IN
HOR SYNC IN
AFC1
YS IN
EXT.R IN
EXT.G IN
EXT.B IN
SDA
SCL
SDA
SCL
VER PULSE OUT
SANDCASTLE PULSE OUT
AMP/MIX
Q125
IC201
PICTURE  CONTROL
PAL  ONLY
PAL  ONLY
PAL  ONLY
PAL  ONLY
NTSC  ONLY
5
7
14
16
2
5
7
R
G
B
8
60
61
15
16
17
–(B–Y) OUT
–(R–Y) OUT
–(B–Y) IN
–(R–Y) IN
48
31
38
36
43
45
46
53
10
11
12
13
58
62
21
22
Q217
Q702,703
AMP
Q101,Q701
IC301  MICROPROCESSOR
AMP
A/B OUT
SYNC IN
SIG OUT
AFC SELECT
OSD(Y/BL)
OSD(B)
VD IN
VD IN
HD IN
RESET
OSC2
OSC1
SDA
SCL
POWER OFF IN
AUDIO ADJ
BUZZER OUT
CRT/SP MUTE
STANDBY LED
MENU SIZE ADJ
V CENTER ADJ
NT/PAL
V/S OUT
ALM IN
RECOVER IN
FA
LINE CHECK(PSD)
CTL(PSD)
XIN
XOUT
BUFFER
Q216
Q215
Q205
BUFFER
SYNC
Q301
Q201
Q213
Q211
Q214
Q208
BUFFER
BUFFER
Q207
BUFFER
VCO
(4.34 MHz)
VCO
(3.58 MHz)
PAL
PAL
NTSC
X201
X202
IC202
CHROMA  DIFFERENCE
NTSC
PAL  ONLY
Q103
Q105
Q106
AMP
3
1
2
4
Q102
AMP
L101
BUFFER
B-Y IN
R-Y IN
B-Y OUT
R-Y OUT
Q209
TO
CRT  SOCKET  BOARD
. . . . . . CN804
E201
D208
D207
IC601
POWER AMP
D206
AMP
SAND
Q210
AMP
OUT
GND
MUTE
AIN
2
8
3
4
6
MUTE
VR
FEEDBACK
POWER OFF
AUDIO ADJ
BUZZER
IN
+13.5V
1
2
ACL
20
ACL
HOR PULSE OUT
FBP IN
56
50
FBP IN
5
SAND
4
3
2
V+
V–
H–
CN401
1
2
3
AUDIO
GND
GND
SP1
SPEAKER
CN601
Q204
D205
D204
Q203
Q602
Q202
IC203
VOLTAGE
DETECTOR
3
Q601
L1
DEFLECTION  COIL
6
5
4
3
STANDBY ON
STANDBY ON
STANDBY OFF
STANDBY OFF
E301
Q308
Q307
SW310
2
3
4
5
RX(B)
RX(A)
TX(B)
TX(A)
CN302
2
3
4
5
RX(B)
RX(A)
TX(B)
TX(A)
CN303
4
3
1
FA
SDA
SCL
CN301
IC305
TRANSCEIVER
IC306(a)
MONOSTABLE
MULTIVIBRATOR
8
51
3.58M TRAP
29
30
3
36
35
6
38
37
47
43
42
14
9
48
49
54
52
45
46
10
AMP
AMP
SDA
4
B2
RXD
TXD
D0-D7
1-8
20-27
D0-D7(UART)
RD
WR
C/D
17
INT
RESET
RD(UART)
WR(UART)
C/D(UART)
INT(UART)
RESET(UART)
STANDBY SW
VIDEO SEL SW
MENU SW
UP SW
DOWN SW
–SW
+SW
+B ADJ
13
+5V
REGULATOR
X2
X1
A2
9
12
11
#Q2
Q2
7
6
7
6
22
9
10
11
23
13
14
1
4
3
1
SCL
IC304
TRANSCEIVER
IC307
UART
X302
X301
19
18
17
11
58
59
60
61
62
63
2
STANDBY
STANDBY
STANDBY
SW301
SW302
SW303
SW304
SW305
SW306
SW307
INPUT
SELECT
MENU
INPUT
INPUT
MENU
MENU
–
–
+
+
–
+
IN
GND
OUT
+9V
1
2
IC303
VOLTAGE
DETECTOR
IC302
EEPROM
Q302(a)
NTSC
Q912,D921
+9V
REGULATOR
+5V
REGULATOR
IC901
Q908
Q909,D911
H.DRIVER
Q501,Q502,T501
Q503,Q504
IC401
V.DRIVER  CONTROL
+12V
REGULATOR
IC403
Q910
D917
D406
PAL
Q302(b)
D305
STANDBY
3
SDA
SDA
5
6
SCL
56
55
4
POWER OFF
AUDIO ADJ
BUZZER 
MUTE
EW DRIVER
SCL
12
7
28
31
15
40
+9V
2
3
1
+9V
TP901
(120V)
Q901-Q906,
D902-D909
D919,D920
F901
2
3
1
TH901
L903
L904
F902
AC  IN
L2
DEGAUSSING  COIL
CN902
D901
JK901
AC  INLET
SOCKET
SW901
POWER 
BUTTON
SWITCHING
REGULATOR
L
N
E
AC
AC
3
1
+13.5V
+5VA
+9V
+5V
+12V
D918
D913
D914
Q911
+
–
120V
SDA
VD
13
9
8
4
2
10
2
V TRIG IN
SDA
SCL
V.DRIVE
EW DRIVE
SCL
OUT
IN
IC402
V.DRIVER
Q401,Q402
V.CENTER
ADJ
D506
T502 
FLYBACK  TRANSFORMER
11
12
10
6
4
7
1
2
3
5
8
FOCUS
SCREEN
FOCUS
SCREEN
HV
D505
D517
D507
180V
HEATER
FBP IN
ACL
Q506
D514
D513
D520
D518
D516
D515
D512
D509
D511
D508
D519
+
–
+
–
–
+
+
–
1
H+
H
V
Q801
Q803
Q802
DRIVER
DRIVER
DRIVER
CN807
E501
E904
1
3
5
1
3
5
180V
HEATER
+9V
CRT1
CATHODE
RAY  TUBE
CRT  SOCKET  BOARD
CN804
TO
MAIN  BOARD
. . . . . . . . E201
CN803
2
4
6
R
G
B
CN809
1
GND
CN806
1
SCREEN
CN808
1
GND
–
+
–
+
3
2
5
15
12
11
63
64
VD
SAND
180V
HEATER
+9V
AOUT
– 12 –
BLOCK DIAGRAM
CN101,CN102
VIDEO
INPUT/OUTPUT
CONNECTORS
VIDEO
JK101
AUDIO
INPUT/OUTPUT
CONNECTORS
JK103
S-VIDEO
INPUT
CONNECTOR
AUDIO
S-VIDEO
IN
VIDEO
SWITCH
IN
A
OUT
IN
B
OUT
IN
A
OUT
IN
B
OUT
VIDEO/AUDIO SWITCH
TO
MAIN
BOARD
(2/7)
(Page 14)
TO
MAIN
BOARD
(5/7)
(Page 17)
TO
MAIN
BOARD
(3/7)
(Page 15)
FROM
MAIN
BOARD
(6/7)
(Page 18)
< INDEX >
MAIN  BOARD (1/7)
IC101 D2
IC102 A3
Q102 A2
Q103 B2
Q105 B3
Q106 A2
Q112 C4
Q113 C4
Q114 C5
Q115 C5
Q117 C6
Q118 D6
Q119 B4
Q125 D5
D101 D2
D102 C2
D103 B1
D104 B1
D107 A1
D108 B2
OPEN
R103  1K
D102
R105
1K
R107
100
C105
47/25
1K
C103
1/50
D103
R106
C104
1/50
D104
CN102
JK101(2/2)
JK101(1/2)
R101  1K
R102
75
R104
75
CN101
IC101
C101
1/50
C102
1/50
D101
C163  OPEN
C162  OPEN
Q103
R1
18
22K
R1
17
47K
R116
100
R1
14
75
R1
15
75
R126
1K
R127
22K
R129
22K
R128
Q102
22K
C110
R1
19
2.2K
R123
1K
C112
D107
0.01
Q106
C1
13
D108
R131
10K
R130  1K
L101
C135  0.01
0.01
JK103
R120
OPEN
R124  1K
R125
2.2K
Q105
R144
0
C134
10/50
C115
R134
VR101
R133
R132
R165
0
Q107
L104
C116
R135
C1
17
R137
R136
R138
R139
L103
L102
C138
100/10
L105
Q108
R152
R150
R166
1K
R168
OPEN
C122
47P
L108
15
R153
R151
C123
180P
R154
L107
C1
18
Q109
R155
R156
R157
C119
C120
Q110
Q111
R159
R158
R160
R161
R162
R163
Q112
R171
0
C150
24P
OPEN
R169
4.7K
R172
680
R170
3.3K
R173
0
L109
OPEN
C124
OPEN
Q113
R174
2.2K
C131
10/50
R141
0
R140
180
C151
L112
47
Q125
R143
10K
C132
22P
C133
47P
L111
47
R191
10K
R142
5.6K
Q118
R190
5.6K
TRAP
C139
0.01
C152
0.01
R175
1.3K
R176
330
C126
OPEN
C127
22P
Q114
Q115
R178
1.2K
R177
1.5K
R179
6.2K
R180
4.7K
R181
100
R182
1K
C128
33/35
C125
180/25
L106
C130
180/25
C121
Q119
R194
1K
R192
22K
R193
22K
R195
220
R186
1K
R187
1K
R188
1K
R189
220
Q117
L110
IC102
C136  0.01
R145  220
C155
0.01
C142 0.01
2
4
3
5
1
2
4
3
5
1
6
5
4
3
2
1
1
2
3
4
5
6
7
8
15
14
13
12
11
10
9
IN1B
CTL1
OUT1
GND2
OUT3
CTL3
IN3A
16
IN1A
IN3B
GND1
IN2B
V+
CTL2
IN2A
GND3
OUT2
-
+
C140
180/25
C141
0.01
-
+
-
+
-
+
-
+
-
+
-
-
+
+
-
+
1 2 3 4 5 6 7 8 9
2428 22 21 27 1918 26 16 15 2513
10 11 12
1
2
3
4
1
3
7
6
8
4
2
1
3
2
4
C1
14
1 2 3 4 5 6 7 8 9
2428 22 2127 19 18 26 1615 25 13
10 11 12
1
IN1
2
SW
3
IN2
4
  
8
VSS
7
OUT
6
VDD
5
+9V
+9V
+9V
+9V
+9V
+9V
+9V
A/B
V/S
CHROMA
AUDIO
Y
Y
+9V
+9V
+9V
-
+
-
+
-
+
-
+
-
+
-
+
NC
NC
+9V
10/50
4.6
5.1
3.9
2.3
2.1
4.7
3.0
3.5
9.0
1.1
1.8
0
0.7
4.7
4.7
4.6
3.9
9.0
9.0
5.2
4.6
2.9
4.6
3.0
9.0
5.1
2.7
2.8
9.0
0
9.0
0
6.2
2.8
2.8
3.4
4.4
9.0
9.0
1.3
1.9
3.8
4.4
3.9
3.3
3.4
5.2
4.6
10 
µ
s/DIV, 0.2 V/DIV
10 
µ
s/DIV, 0.2 V/DIV
10 
µ
s/DIV, 0.1 V/DIV
10 
µ
s/DIV, 0.2 V/DIV
MAIN  BOARD (1/7)
1
2
3
4
5
6
A
B
C
D
Important  safety  notice
Components Identified by "      " mark have special characteristics for safety.
When replacing any of these components, use only  manufacturer's specified parts.
– 13 –
SCHEMATIC DIAGRAM  OF MAIN BOARD (1/7)
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