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

B-Y AMP.
R-Y AMP.
SYNC
SEPARATOR
1H DELAY
OPEN
VERTICAL
DRIVER
AFC
DRIVER
HORIZONTAL
DRIVER
FROM
MAIN
BOARD
(1/7)
(Page 13)
TO
MAIN
BOARD
(7/7)
(Page 19)
FROM
MAIN
BOARD
(6/7)
(Page 18)
TO
MAIN
BOARD
(3/7)
(Page 15)
TO
MAIN
BOARD
(5/7)
(Page 17)
IC201(1/3)  
SINGNAL PROCESSOR
< INDEX >
MAIN  BOARD (2/7)
Q101 B2
Q201 A6
Q208 C5
Q211 C4
Q213 D5
Q214 C5
Q216 B3
Q217 B3
Q701 B1
Q702 A2
Q703 A2
D106 B2
IC201 B5
IC202 C2
DVDD
NC
DVSS
I.C.
SAND
NC
I.C.
I.C.
R-Y
 IN
A
VDD
NC
B-Y
 IN
NC
B-Y
 OUT
R-Y
 OUT
A
VSS
1
2
3
4
5
R203
X201
(4.433619MHz)
33K
R202
0
6
7
8
9
10
11
12
13
64
63
62
61
60
59
58
57
56
55
54
53
52
C245
180/25
C244
0.01
180/25
0.01
C246
0.01
0.01
C247
R201
330K
C204
0.1
R204
7.5K
C207 2.2/50
C208
9P
X201
C251
Q208
1000P
3.3K
R240
X202
C243
C242
Q702
Q703
C702
OPEN
R707
1K
C704
OPEN
R711
OPEN
C201
0.068
C202
0.068
C203
0.068
C206
0.022
Q210
R253
R259
R258
C236
Q209
R255
IC202
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
0.01
220K
R266
1K
R267
3.3K
R265
C248
R205
0
R206
R208
330
R207
680
OPEN
R278
Q217
Q216
100
R269
4.7K
R268
1K
R260
R262
R257
R256
R254
R261
C107
R110
0.1
0
Q701
Q101
D106
Q213
HD
3.58M TRAP
VD
OSD(B)
OSD(Y/BL)
Q214
J299
TRAP
SYNC
OPEN
C235
C237
C205
0.1
R706
1.2K
R704
2.2K
R705
5.6K
R279
1.5K
R703
12K
C701
33/35
R709
68K
R708
3.3K
R710
12K
L113
1
2
4
3
Y
R252
12K
0.1
C252
C232
0.022
C233
R251
C250
1000P
2.2K
R272
100K
C231
0.022
C238
0.1
C239
0.1
10/50
(15.625KHz)
C234
220P
Q21
1
R702
1.5K
OPEN
R1
12
150K
R
111
15K
C108
100
R701
Y
R276
10K
R1
13
3.3K
+9V(A)
+9V(A)
+9V(A)
+9V(A)
+9V(A)
+5V
SYNC
B
C
E
B
C
E
B
C
4
5
6
3
2
1
E
R
–
Y
CLAMP
YS
IN
EXT
.
R IN
EXT
.
G IN
EXT
.
B IN
VER.PULSE
OUT
HOR.PULSE
OUT
G
–
Y
CLAMP
B
–
Y
CLAMP
KILLER
FIL
TER
KILLER
OUT
CHROMA
APC
VCO
(4.43MHz)
VCO
(3.58MHz)
SPOT
KILLER
AFC2
AFC1
HOR.VCO
X-RA
Y
PROTECT
 IN
50/60Hz
DET
 OUT
SECAM
INTERF
ACE
–
(B
–
Y)
OUT
–
(R
–
Y)
OUT
SANDCASTLE
PULSE OUT
–
(B
–
Y)
IN
–
(R
–
Y)
IN
Q201
H PULSE
AFC SEL
EXT VIDEO
Y OUT
+5V
+9V(A)
+5V
+9V(A)
+9V(A)
+5V
+9V(A)
+5V
+5V
C109
1/50
-
+
-
+
-
+
-
+
-
+
C703
100/10
-
+
-
+
-
+
5.0
9.0
9.0
8.7
3.2
9.0
3.8
1.4
2.1
3.9
3.2
3.9
9.0
3.0
2.4
4.9
0.6
0.7
4.7
-2.7
4.0
0.2
0.1
0
0
0
9.0
4.7
0.9
0.3
MAIN  BOARD (2/7)
1
2
3
A
B
C
D
5
6
4
– 14 –
SCHEMATIC DIAGRAM  OF MAIN BOARD (2/7)
MUTE
CONTROL
DRIVER
VIDEO
MUTE
DRIVER
AUIDO
MUTE
DRIVER
AUDIO
CONTROL
DRIVER
BUZZER
OUTPUT
DRIVER
SP1
SPEAKER
TO
CRT
SOCKET
BOARD
CN809
TO
CRT
SOCKET
BOARD
CN804
FROM
MAIN BOARD
(2/7) 
(Page 14)
FROM
MAIN BOARD
(1/7) 
(Page 13)
TO MAIN BOARD
(5/7)
(Page 17)
TO MAIN BOARD
(7/7)
(Page 19)
IC201(2/3)  
SIGNAL PROCESSOR
IC201(2/3)  
SIGNAL PROCESSOR
AUIDO OUTPUT CONTROLLER
MUTE RESET
FROM
MAIN BOARD
(6/7) 
(Page 18)
D201 A2
D202 A5
D203 A5
D204 B5
D205 B5
D206 C6
D207 C6
D208 C6
D601 D6
D602 D6
Q202 B5
Q203 B5
Q204 B5
Q205 C3
Q207 D3
Q215 C2
Q601 C5
Q602 C4
< INDEX >
MAIN  BOARD (3/7)
IC201 B2,B4
IC203 A5
IC601 D5
R OUT
G OUT
B OUT
VCC1
SDA
SCL
EXT
 VIDEO IN
FBP
 IN
VCC2
GND
VCC3-2
HOR.SYNC.
IN
VER.SYNC.
IN
VER.SYNC.
CLAMP
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 I
N
CHROMA
 IN
1
3
GND
GND
E904
AUDIO
B
GND
R
G
GND
GND
6
5
4
1
3
2
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
EXT VIDEO
FBP
ACL
CTRL
36
35
34
33
1
VCC 1
2
A I
N
3
MUTE
4
VR
6
FEEDBACK
7
GND
8
A
 OUT
9
VCC 2
5
CONST
1
2
3
1
2
4
5
6
7
1
1
2
3
4
5
6
Q207
C219
10/50
R229
2.2K
C221
120P
R227
330
R228
C220
180/25
R226
1K
180
R225
100
Q205
C209
0.01
C210
470/16
R212
1.5K
R213
1.5K
R215
470
470
R216
470
R217
OPEN
OPEN
C213
R271
R270
47K
R214
1.5K
R209
1M
R210
D201
100
100
R21
1
SCL
SDA
C21
1
0.022
C212
0.022
C229 47/25
R237
10K
C227
180/25
C233
680P
R223
680K
C222
2.2/50
R232
OPEN
R230
2.2K
R231
10K
C218
4.7/50
C226
1000P
R239
330 2W
C225
0.1
R234
220
C224
1/50
R277
390
R238
10K
R236
220
R273
47K
R235
510
C228
0.1
C230 0.1
C610
10/50
R613
330
R618
100K
R615
C612
C609
C608
1/50
C606
100/10
C607
3300P
R610
R603
10K
100
1W
4.7/50
1000/16
C61
1
0.047
4.7
1/2W
R61
1
10K
R224
680K
C253
0.01
1 IN
2
OUT
3
GND
IC203
C255
C254
0.01
0.01
IC601
D601
D602
CN601
SP1
(8 ohms)
E201
+5V
CHROMA
YOUT
EXT
 VIDEO
D202
D203
R220
C217
R222
R223
10K
150K
47/25
47K
R219
10K
R218
15K
C215
0.1
C216
0.1
R221
AUDIO
ADJ
CTRL
POWER OFF
INT VIDEO
CRT/SP
MUTE
BUZZER
470
Q202
B
C
E
Q204
D204
D205
B
C
E
Q203
B
C
E
Q601
R614
C613
330/25
R617
100K
12K
B
C
E
D206
D207
D208
R609
AUDIO
2.2K
R616
12
Q602
B
C
E
R274
10K
R275
10K
Q215
+9V(A)
+9V(A)
+5V
+13.5V
+9V(A)
+9V(A)
+13.5V
+9V(A)
R
G
B
+9V
+13.5V
R
G
B
-
+
-
+
-
+
-
+
10/50
C214
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
C615
1/50
-
+
1/4W
+5V
+9V
+9V(A)
+13.5V
5.5
9.0
7.1
7.7
5.4
5.4
4.7
6.0
5.5
0.1
0.1
0
0
4.3
3.6
5.3
4.9
0.1
0
0.2
5.2
5.3
5.3
1
1.5
3.5
8.0
0
0.3
10 
µ
s/DIV, 0.1 V/DIV
7
8
9
10 
µ
s/DIV, 0.2 V/DIV
MAIN BOARD (3/7)
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.
10 
µ
s/DIV, 1 V/DIV
10  
µ
s/DIV, 1 V/DIV
10 
µ
s/DIV, 1 V/DIV
– 15 –
SCHEMATIC DIAGRAM  OF MAIN BOARD (3/7)
DATA
E301
STANDBY
CONTROL
TERMINAL
CN302,CN303
DATA
PORTS
STANDBY CONTROL AMP.
LINE DRIVER
SW310
DATA
TERMINATION
SELECTOR
SW301
STANDBY
BUTTON
SW303
MENU
BUTTON
SW304,305
DIRECTION
BUTTONS
SW306,307
DECREMENT/INCREMENT
BUTTONS
SW302
INPUT
SELECTION
BUTTON
TERMINATION
MONOSTABLE
MULTIVIBRATOR
MENU
SYSTEM
RESET
AUDIO
AUDIO
INPUT
SELECT
STANDBY
TO
MAIN
BOARD
(5/7)
(Page 17)
FROM
MAIN
BOARD
(6/7)
(Page 18)
(IN)
(OUT)
< INDEX >
MAIN  BOARD (4/7)
IC303
C5
IC304
B3
IC305
B3
IC306
A2
IC307
B5
Q307
C2
Q308
C2
D301
C4
D302
C4
D303
C4
D316
C1
D317
C1
D341
B2
D342
B2
D343
A2
D344
A2
IC307  
UART
X302
(9.83MHz)
R381
1M
R382  33K
R383  33K
CN301
C309
1000/10
SW304
SW306
SW307
VBR
VBS
RESET
UART
R324
10K
C31
1
0.01
SW303
R315
100
R316
100
R317
100
C308
1
R318
82
2W
D303
D302
D301
IC303
C310
0.01
E301
SW305
R366
1K
R365
1K
C331
0.01
C332
0.01
R372  10K
R373
10K
R374
4.7K
4.7K
Q308
C335
47/25
D317
D316
SW301
SW302
R301
R302
1K
10K
1K
10K
1K
10K
1K
10K
1K
10K
1K
10K
1K
10K
R309
R312
SW310
ON
OFF
R303
R304
C302
R305
R
306
C303
R307
R308
C304
R310
C305
R31
1
C306
C307
SW
R313
R314
C301
1000P
1000P
1000P
1000P
1000P
1000P
1000P
C350
1000/10
R370  10K
R369
10K
R371
Q307
L342  2.2
IC304
IC305
IC306
CF301
CN302
CN303
VS302
VS303
VS301
VS304
D341
D342
D343
D344
R398
150 1W
R384
R385
R399  15K
15K
15K
15K
15K
15K
15K
R386
R388
R389
R387
R392
15K
R390  15K
C348  0.1
C349  0.1
C347
C344
0.1
C346
100P
C345 100P
100P
C343
0.1
R391  180K
R393  15K
R396
2.2K
R397
2.2K
C341
0.1
C342
220/10
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
D0
D1
D2
D3
D4
D5
D6
D7
RD
WR
C/D
D0
D1
D2
D3
D4
D5
D6
D7
RD
WR
C/D
GND
X2
X1
RESET
RES
INT
CS
INT
P1
P0
RT
S
CTS
RXD
TXD
VCC
2
1
2
1
2
1
2
1
2
1
2
1
2
1
1 IN
2
OUT
3
GND
5
6
7
8
4
3
2
1
5
6
7
8
4
3
2
1
1
2
3
4
5
6
7
9
10
11
12
13
14
8
15
16
1
2
3
4
5
6
7
8
9
10
1
2
3
4
+9V
+5V(A)
+9V
1
2
3
4
5
6
+5V(A)
GND
CX1/RX1
RST
A1
A2
B1
B2
Q1
Q2
Q1
GND
Q2
VCC
RST2
CX2/RX2
GND
1
2
3
4
5
6
1
2
3
4
5
6
FA
SCL
SDA
GND
STANDBY OFF
STANDBY ON
G
GND
RX(B)
RX(A)
TX(A)
TX(B)
GND
GND
RX(B)
RX(A)
TX(A)
TX(B)
GND
VBR
FA
SDA
FA/CTRL
STBY ON/OFF
SCL
-
+
-
+
RECOVER
ALM
TXD
PSD
CTL
RXD
TXD
RXD
LINE CHECK
-
+
-
+
MENU
UP
DOWN
INPUT
ST
ANDBY
+
–
5.5
5.5
0
5.5
5.5
0
0.5
3.8
2.3
2.3
4.9
3.6
1.1
4.9
4.9
4.9
0.7
0.8
0.5
4.8
4.8
4.8
3.8
5.5
0
5.5
5.5
5.5
5.5
5.5
5.5
5.0
4.9
5.0
5.0
4.9
4.5
4.7
4.8
5.5
5.5
0
5.5
0
4.8
5.5
2.4
MAIN  BOARD (4/7)
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.
– 16 –
SCHEMATIC DIAGRAM  OF MAIN BOARD (4/7)
EEPROM
ON/STANDBY
D305
POWER
INDICATOR
LED
DRIVER
INT
VIDEO
BUFFER
FROM
MAIN
BOARD
(4/7)
(Page 16)
FROM
MAIN BOARD
(1/7) 
(Page 13)
FROM MAIN BOARD
(3/7) 
(Page 15)
FROM
MAIN BOARD
(2/7) 
(Page 14)
TO
MAIN
BOARD
(7/7)
(Page 19)
TO
MAIN BOARD (6/7)
(Page 18)
< INDEX >
MAIN  BOARD (5/7)
IC301
C2,C5
IC302
D2
Q301
A4
Q302
A5
D304
B3
D305
A5
C315 120P
VC301
C314
33P
R328
33K
L301
33
X301 (80.0MHz)
C313
0.1
C312
R319
47K
R338
R322
SDA
SCL
FA
10K
10K
R323
10K
R321
10K
10K
R339
R340
10K
R336
4.7K
R337
4.7K
R333
4.7K
4.7K
R334
R320
D304
R351
10K
10K
R325
4.7K
R354
1K
1K
R355
R760
OPEN
R759
OPEN
R758
OPEN
R757
OPEN
R756
OPEN
R755
OPEN
R754
OPEN
R753
OPEN
R752
OPEN
R751
OPEN
R761
OPEN
R762
OPEN
R750
OPEN
R335
10K
R341
33K
33K
33K
R342
R343
C319
100P
100P
C318
C316 OPEN
R327  33K
C317
1000P
IC302
R344
56
R345
SCL
3.58M TRAP
HD
VD
OSD(B)
OSD(Y/BL)
STBY ON/OFF
VBR
SYNC
+B ADJ
SDA
CTRL
SYNC
AFC SEL
56
R326  33K
C320
0.1
R348
2.2K
R346
10K
R347
10K
Q301
R349
1K
C321
10/50
R329
10K
10K
OPEN
R330
OPEN
R332
R331
R350
103
R362
220
R363
820
R360
10K
R364 10K
D305
Q302
2
3
1
5
4
6
R361
680
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
VD
V.CNTR
CTRL
+B
ADJ
33
1 A0
2 A1
3
A2
4
GND
8
VCC
7
TEST
6
SCL
5
SDA
-
+
1
P
ANASONIC/
OEM MODEL
INT
CTL
RES
ST
AND BY
 SW
MODEL(SIZE)
DISCRIMINA
TION 2
MODEL(SIZE)
DISCRIMINA
TION 1
VIDEO SEL
 SW
MENU SW
UP
 SW
DOWN SW
ST
ANDBY
INPUT
MENU
UP
DOWN
–
 SW
+ SW
POWER OFF IN
INT(UAR
T)
VD IN
BUZZER OUT
A/B OUT
V/S OUT
RESET(UAR
T)
RECOVER IN
SYNC IN
LINE CHECK(PSD)
FA
SCL
SDA
AUDIO ADJ
+B ADJ
MENU SIZE 
ADJ
V CENTER 
ADJ
HB ADJ
C/D(UAR
T)
WR(UAR
T)
RD(UAR
T)
D7(UAR
T)
D6(UAR
T)
D5(UAR
T)
D4(UAR
T)
D3(UAR
T)
D2(UAR
T)
D1(UAR
T)
D0(UAR
T)
C/D
WR
RD
D7
D6
D5
D4
D3
D2
D1
D0
CR
T/SP
 MUTE
3.58M TRAP
SIG OUT
OSD(R)
OSD(G)
OSD(B)
OSD(Y/BL)
HD IN
VD IN
OSC1
OSC2
XIN
XOUT
RESET
TEST
VDD
VSS
VSS
NT/P
A
L
ALM IN
RECOVER
ALM
ST
AND BY
 LED
CTL(PSD)
AFC SELECT
+5V
+9V
+5V
+9V
LINE
CHECK
CTRL
AFC SEL
INT VIDEO
VBR
SW
STBY ON/OFF
FA/CTRL
VBS
PSD
RESET
UART
A/B
V/S
AUDIO ADJ
BUZZER
POWER OFF
IC301(1/2)
  MICROCOMPUTER
IC301(2/2)
MICROCOMPUTER
+
-
CRT/SP MUTE
0
5.5
5.4
5.4
0
0
3.7
0.7
0.1
5.0
3.8
4.4
50 ns/DIV, 1 V/DIV
11
5 ms/DIV, 1 V/DIV
MAIN BOARD (5/7)
1
2
3
4
5
6
A
B
C
D
– 17 –
SCHEMATIC DIAGRAM  OF MAIN BOARD (5/7)
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