JVC AV-48WP30 Service Manual page 87

MAIN PWB CIRCUIT DIAGRAM [7/12]
C391
1/10
R392
CF3
220
IC302
CXA1875AM-X
DAC
OSD_R
OSD_R
OSD_G
OSD_G
OSD_B
OSD_B
OSD_YS
OSD_YS
OSD_YM
OSD_YM
Y301
CN00Z_G
*0
BLK_AREA
V/C_CLP
C302 1/50
R_Y
Y
B_Y
PC_PB
PC_Y
PC_PR
PC_H
PC_V
R393
X
C318
2.2/50
R306
1M
C304 R308 C320 R307 C319
1/50 2.2k 4.7/50 12k 1/50
R309
120k
R354
470
R350
56k
R302
4.7k
R310
2.7k
C305 C306
4.7/16 470/10
CF1
Yout
C307 0.0047
ABL
CB3
RY(S)in
C308 0.1/16 CB3
Y(S)in
C309 0.1/16 CB3
BY(S)in
C310 0.1/16
Vcc_9V
R303
IC301
M/S
R304 100
3.9K
CLP(M1)
AN5392FBQ
RY(M1)in
C301 1/50
Y(M1)in
RGB
C303 1/50
BY(M1)in
R305 X PROCESSOR
CLP(M2)in
C311 0.1/16 CB3
RY(M2)in
C312 0.1/16 CB3
Y(M2)in
C313 0.1/16 CB3
BY(M2)in
GND
C315
0.0047
R311
100
PC_V
C316
C317
0.0047
C332
220/16
PC_H
100
R050
0
PC_B
100 R051
C333
0
PC_G C385
100 R052 X
C334
0
PC_R
C384
X
CN0AF C383
X
QGA2501C1-09
No.51914
AV-48WP30
AV-48WP30
NECK
SCL0
SDA0
P_MU
DI
MICON_V
R371 R372
Q321
2.2k X
IMX1-XW
Q321
R374
IMX1-XW
4.7k
R373
3.3k
C359
0.0047
ABL
C366
1/25 R379
Q323
1k
*4
BUFFER
C361
R377 22/50
10k
C362
R378
CB3
1.5k
0.056/16
C324
R313
X R318
2.2k
820
R312 R316 R314 C329
100 X 10k 0.01
R315
X
R330
1.8k
R334
150
R319 R353
2.2k 22k
R336 Q301
150
*2
Vcc_9V(G)
C341
BUFFER
Gout R320
1/25 CF1
2.2k
GND_G
Vcc_9V(B)
C342
Bout R321
1/25 CF1
2.2k
GND_B
Vcc_9V(R)
C343
Rout R322
1/25 CF1
2.2k
GND_R
GND_Analog
Vcc_5V
R369 0 DI
DI
R324 220 P_MU
CRT
R325 220 NECK
Muting Neck
R326 0
RGB R387
R352 4.7k 1/16W
BLKin
W-H2 10k MFR
NRVA63D-472X
GND
C386 R388
470
1/10
C382
CF3
4.7/16
R327 220
MICON_V CF1
R389
2.7k
MFR
R399
4.7k
R397 D309
*3
R328 100 22k
SCL0
D310
R329 100
SDA0
*3
R317
0
Q307
C336 *4
0.0047 SW
C335
47/25
2-17 2-18
MAIN PWB
(7/12)
(RGB SIGNAL PROCESSING)
SSB-1051A-M2
Q322
4 5 6
Q322
R375
R376
X
X
3 2 1
C360
X
Q321
IMX1-XW
R380
5.6k
Q324
R396
*2
BUFFER 560
C364 C365
0.1/16 X
C363
CB3
22/50 D308
MA8100/M/-X
R394 D307
R395
X X
1k
CEX45394-082-X
R342 R370
1K 1.8k
MFR MFR C344 C345 C346
1/25 1/25 1/25
CF1 CF1 CF1
R343
1.2k
C339
MFR 4.7/16 CF1
D304
Q304
*3 *1
R346
BUFFER
68
D306
*3 R344
Q305
470
*1
R332
R338
1.8k BUFFER
1.8k
R347
68
R345
470
R335
Q306
150
*1
R340 BUFFER
150
R348
68
R337
Q302
150
*2 R349
BUFFER 470
R341
Q303
150
*2
BUFFER
Q331
R381
*1
4.7k 1/16W
MFR R384
NRVA63D-472X 220
NOTE
R382
BUFFER
C381
150 *0
: NRSA63J-0R0X
4.7/16
CF1
*1 : 2SC3837K/NP/-X
R383 R386
3.3k
220 *2
: 2SA1022/BC/-X
MFR
Q332
Q333
*3 : MA111-X
BUFFER
*1
*1
*4
BUFFER : 2SC2412K/QR/-X
R385
*5 : 2SA1037AK/QR/-X
220
X
: NON MOUNT
No.51914
4 5 6
3 2 1
Q322
X
ABL
EHT
C340
X
G
B
R
VM_OUT
R301
0
CN00E
GND
R
Rout
GND
B
Bout
GND
G
Gout
GND
VM_OUT
GND
12V
12V