JVC LT-37R70BU Service Manual page 51

ANALOG PWB CIRCUIT DIAGRAM (2/6) SHEET 2
J403 J403 J403 J403 J403
GND
GND
GND
EXT-3
VIDEO 3
GND
GND
J402
GND
EXT-2
VIDEO 2
J401
AV_GND
GND
EXT-1
VIDEO 1
J406 J406
GND
EXT-4
VIDEO 4
GND
J405 J405
GND
AUDIO OUT
GND
D411
*1
GND
GND
C409
V3_YIN
D412
R410 2.2
75 *1
GND
C410 V3_CIN
R411
.01 D413
GND
75 *1
C414 D420
GND
1 *1
GND GND
C411 V3_VIN
R412 2.2 D414
75
*1
GND
GND
C412 V3_LIN
J410
C415 R413 2.2 D415
.01 220k *1
GND
GND GND
C413 V3_RIN
C416 R414 2.2 D416
.01 220k *1
GND
GND
V2_YS
V2_YIN
V2_VIN
V2_CIN
V2_R_Cr
V2_G_Y
TV_LINK
C440
Q444
2.2 D440 NPN
GND SCL3A5
*1
C441 C2_IO
Q445
D441
D469 2.2 NPN
*1 *1 GND SDA3A5
C442 R426
R451 R450
10K
D442 BS_A5V
75 75 2.2
*1 GND
C443
D443 R427
R452 2.2
*1 GND 10K
R428
10k
C444
D444 Q443
2.2 *1
R449
D447 D446
R453 GND OPEN
75 *1 *1
C445 GND
M_PACK
D445
R454 2.2
*1
C448 .01 75
GND C446
GND
D467
2.2
*1
C449 .01 GND
R462 R463
C450 .01 C447 0 0 V2_SL
C451 .01 D468
2.2 *1 D427
GND
R465
*1
OPEN
GND
V2_B_Cb
V2_LIN
V2_RIN
V1_YIN
C401 2.2 D401
GND *1
V1_VIN
C402 2.2 D402
R401 GND *1
75
R406
68
MON_Y
V1_YS
V1_R_Cr
D409 R405 C403 2.2 D403
R402
75 *1 75 GND *1
V1_CIN
C404 2.2 D408
*1
C405 2.2 D404 GND
R403
*1 V1_G_Y
75 GND
V1_B_Cb
R404 C406 2.2 D405
75 *1
GND R407 R408
0 0 V1_SL
C417 C407 2.2 D406 R418 D428
.01 OPEN
*1 *1
GND
C429 .01
C430 .01
GND
C428 .01 C408 2.2 D407
*1
GND
V1_LIN
V1_RIN
C420 V4_G_Y
R421 2.2 D423
75 *1
GND
GND
C421 V4_B_Cb
R422 2.2 D424
75 *1
GND
GND
C422 V4_R_Cr
R423 2.2 D425
75 *1
GND
GND
C418 V4_LIN
C424 R419 2.2 D421
.01 220k *1
GND
GND
C419 V4_RIN
C425 R420 2.2 D422
.01 220k *1
GND
GND
R437 Q431 R439
390 470
C431 FIX_L
C426 R438 2.2 D431
22k
.01
*1
R440 R442
GND GND
390 470
GND C432 FIX_R
C427 R441 2.2
D432
22k
.01
*1
GND
GND
Q433
R443
1k
Q432 A_MUTE
C433
R444
1 39k
GND GND GND GND
ANALOG PWB ASS'Y (2/6)
SFL-1246A-U2
PC_DET
PC_HS
PC_VS
D464 R475 D465 C469 R476 D466 C468
*1 330 *1 100p * 330 1 100p
R461
75
C461
C464
R464
2.2 PC_B
75
100p C465
R467 2.2 PC_G
75
C462 C466
100p
2.2 PC_R
C463 D461 D462 D463
100p *1 *1 *1
SC_R2
BS_A9V
R430 R477
R478
C458
R479
R429
Q442
C459 R480 R481
Q441
GND
Q440
R474
R456
68
R455
2.2k
GND
R458 R447
C453
390 470
2.2
R446 1K
R457 Q435
22k
Q436
C452 R445
GND
1 39k
GND
GND
GND GND
R460 R448 C454
390 470
2.2
R459 Q434
22k
GND
GND
R486 R484
C455
390 470
Q438 2.2 R483 3.3K
R488
22k
Q439 C456 R482
GND
1 39k
GND
GND GND GND
R487 R485 C457
390 470
2.2
R489 Q437
22k
GND
GND
Q440 OPEN OPEN OPEN
Q441 PNP PNP PNP PNP OPEN OPEN OPEN
Q442 OPEN OPEN OPEN
R429 1k 1k 1k 1k OPEN OPEN OPEN
R430 68 68 68 68 OPEN OPEN OPEN
R452 OPEN OPEN OPEN OPEN 75 75 75
R474 3.3k 3.3k 3.3k 3.3k OPEN OPEN OPEN
R477 150 150 150 150 OPEN OPEN OPEN
R478 150 150 150 150 OPEN OPEN OPEN
R479 5.6k 5.6k 5.6k 5.6k OPEN OPEN OPEN
R480 5.6k 5.6k 5.6k 5.6k OPEN OPEN OPEN
R481 3.3k 3.3k 3.3k 3.3k OPEN OPEN OPEN
C458 OPEN OPEN OPEN
C459 .1/16 .1/16 .1/16 .1/16 OPEN OPEN OPEN
(No.YA406)2-9 2-10(No.YA406)
PC_DET
PC_VS
PC_HS
PC_R
PC_G
PC_B
V3_YIN
V3_CIN
V3_VIN
V3_LIN
V3_RIN
DIN_PHOTO
D492
BS_A5V
V2_YS
R491
1M V2_YIN
V2_G_Y
C491
10
V2_B_Cb
V1_YS
C492
0.1
V1_CIN
V1_G_Y
D491
V1_B_Cb
MON_R
C493
100
M_MU
MON_L
GND C494
1000p
GND MON_V
TV_R
TV_L
MON_C
V1_YIN
V1_VIN
V1_LIN
V1_RIN
V1_R_Cr
V1_SL
V2_VIN
V2_LIN
V2_RIN
V2_CIN
V2_R_Cr
V2_SL
TV_LINK
MON_C
MON_Y
M_PACK
C2_IO
SDA3A5
SCL3A5
V4_G_Y
V4_B_Cb
V4_R_Cr
V4_LIN
V4_RIN
FIX_L
FIX_R
A_MUTE
SHEET 3
SHEET 1
SHEET 1
SHEET 1,3
SHEET 1
SHEET 1,3
SHEET 1
SHEET 3
SHEET 1,3,5,6
SHEET 1
SHEET 1
SHEET 1,5
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