Circuit Diagrams and PWB Layouts
7.
Small Signal Board: IF. I/O Video Processing
IF DEM
SUPPLY
CTRL
SYNC
OUTP SWITCH
LUMA & CHROMA PROC.
I/O SWITCH
DELAY COR.
GROUP
NC
MT
NC
MT
NC
MT
2H/4H DELAY
ADAPTIVE
COMB FILTER
FILTER
TUNING
CLOCK
CLAMP
GEN
CLAMP
SAND-
CASTLE
B6-
B1-
B1(2x)
B5a
2424 G11
B2
B2
B2
B2
B2
B2
B2
0V5
5V1
3V4
3V2
4V
3V5
2V8
4V5
3V7
0V
5V1
0V
5V1
0V
0V5
3V4
N.C.
B2(3x)
B2
B2
2394 B6
2399 F7
2401 C6
2402 G7
2422 E13
2423 F14
2425 B1
2426 C13
2427 C14
2428 C14
2430 F9
3406 G2
2419 D7
2420 F8
2421 F14
B2
B2
B2(2x),B5a
B2
B2
B2
B2
B2
3434 E2
3435 G5
3436 E6
3437 D7
3439 E6
3441 B5
3444 B11
3445 F6
3379 D11
3380 B7
3381 H8
3382 F7
3385 G7
F435 H11
F436 D6
F437 C1
F438 B2
F439 E6
F440 B8
B2(2x),B5a
B2
B2,B6
B2
B2,B6
B1
IF,I/O VIDEOPROCESSING
9
10
11
12
A
B
C
F414 D5
B1-
B2(2x),B5a
B2
B2
B2
B2
3389 F9
3420 G6
3421 F5
3422 G9
3423 H1
3433 G1
9412 F6
9413 F6
9414 E7
9415 C3
9416 D5
9417 D6
9418 E5
9419 E7
9420 F6
F354 B14
F355 B14
2403 C7
2404 C7
2405 D1
D
B
6405 E2
7307 G11
7320 F9
7322 E7
7323 D9
B1
B1
7401 E2
7402 H7
7403 D2
7404 D12
3301 I12
3303 H10
F409 C5
F410 C5
F411 C4
F412 C4
F413 B6
9408 H7
9410 A4
3457 H5
3460 D13
3461 D14
3462 D14
3463 B5
B1-
P
AL M
B3a-B6
3468 H11
3473 F7
F356 B14
F400 G3
F401 D7
F402 C7
F403 C7
F404 E12
F405 D11
F406 D12
c002 A8
6403 D2
6404 G2
3415 A5
3416 D5
3417 G5
3418 C7
3419 D5
HIP
NTSC M
P
AL N
B1-
B1-
NC
NC
NC
7405 H1
7406 F5
7407 F5
7408 A12
7409 A12
7410 G5
7411 D6
7412 F14
3V3
MODULATOR COIL
SAW-FILTER VIDEO
9401 F3
9402 E3
9403 E2
9405 E2
9406 F13
9407 A4
3452 F14
3456 G5
3401 B7
3402 B1
3403 G7
3404 I6
3405 H5
3474 F6
3475 C11
5309 B14
5310 B14
5311 B14
5312 F14
5401 D3
5402 E5
5409 H8
5411 C1
5415 A2
5416 A3
5417 G7
6402 E2
3413 F9
3414 D2
2375 B8
2376 B7
2377 B6
2378 B7
2379 F12
B5a
B1-
B3a-B6
3370 F9
3371 H9
3372 H9
3373 C12
3446 G8
3447 B11
3448 B12
3449 B12
3450 E14
3451 F14
3393 F11
3400 B6
2351 A11
2352 A11
2353 I12
2354 G12
2355 C12
B3a-
COIL 40.4 SUPPRESSION
SAW-FILTER AUDIO
2406 G2
2407 G3
2408 H3
2409 C7
F407 B10
F408 B11
3407 F2
3408 B5
3409 G2
3410 E3
3411 C2
3412 E12
2373 B8
2374 B8
E
F
G
H
I
B5a
B1-
B1-
B1-
1306 E12
7413 D13
9318 G11
9319 G11
9322 F8
9324 G11
2385 G13
2387 H8
2388 A11
2389 B12
2390 B1
2391 B3
2339 H8
2350 A11
7
8
9
10
11
B1-
B6-
2356 F11
2357 F11
2358 F11
2359 F11
2360 F12
5403 H2
5404 B7
5405 B7
5406 E6
5408 C6
2367 F8
2368 F8
2369 F8
2370 F8
2371 B10
2372 A10
C
D
4
5
6
7
8
1307 E12
1308 E13
1403 A1
1406 E5
1407 E5
1408-A F4
1408-B G3
1409-A B4
3374 C12
3375 C12
3376 A10
3377 A10
3378 B10
2305 C11
2316 C11
2322 C11
2327 D12
2335 G9
2337 G9
5
6
G
H
I
1303 B13
1305 E11
2411 C6
2412 C1
2413 D5
2417 E7
2418 D7
12
13
14
A
B
2
3
F417 F8
F418 G8
F419 B7
F420 B7
F421 B8
F422 B8
F423 H9
F424 E14
F425 F14
F426 F14
F427 F14
B5a
B2
B1-
1409-B C3
2380 F12
2381 F12
2382 F12
2383 D12
2384 F7
13
14
1
2
3
4
E
F
NC
B1
B2(3x)
B2(3x)
B2(3x)
B2
NC
B1-
B5a
SAW-FILTER-VIDEO
4V2
5V1
1410-A E4
1410-B E3
1411 G6
2302 H14
2361 F13
2362 F13
2364 C12
2365 F7
2366 F8
F428 F13
F430 H14
F431 H14
F432 H12
F433 H11
F434 G11
1
F415 H8
F416 C1
68p
2407
3416
6R8
2360
1p2
9405
10p
2364
2418
4p7
7406
BC847BW
3407
5K6
F405
220p
2406
7320
BC847BW
3M579545
1308
HC-49/U
BC857B
9419
F422
7408
100n
2302
3R9
3402
100u
2425
3418
390R
2372
1u
820K
3444
78
3437
1K
100MHZ
5309
5403
5CCE
1
2
34
5
6
F417
100R
3377
F418
2u2
2409
9408
9415
F354
5415
F401
100R
3375
2359
15p
68p
2399
2421
2p7
2408
6p8
5K6
3421
2417
470n
c002
100n
2422
9416
0u33
5411
BC847BW
7405
2358
3n3
F424
V2
1K8
3461
5401
6u8
F415
F356
2u2
9414
5406
F433
4K7
3414
3372
470R
3393
100K
F421
2376
100n
9407
2
3
4
5
6
7
8
100n
2424
5CCE
5408
1
2385
100n
3371
47R
F434
9402
3376
100R
2370
100n
3445
470R
1SS356
6405
4R7
3400
3446
100R
4K7
3435
F437
2366
100n
2390
100n
2427
10p
F435
F409
1K
3450
F403
F407
3u9
5402
10p
2423
2305
100n
4K7
3456
1
18
4 5 6 9 10 13 14 15
11
12
16
17
47R
3406
OFWK9656L
1410-B
9318
6402
1SS356
39K
F423
BC847BW
7322
3441
51
X3.575
56
X3.579
57
X3.582
55
X4.43
54
YCOMBIN
28
YOUT
49
Y_CVBS3
20
Y_CVBS4
23
7412
BC857BW
SIF2
64
SVBCOUT
30
SW0
19
SW01
22
SYS1
25
SYS2
27
TUNERAGC
62
UOUT
50
VA
61
VCO1
7
VCO2
8
VIF1
2
VIF2
3
VIFOUT
10
VOUT
44
GND_2
9
HA
60
HPLL
58
IN
12
OUT
13
PIPOUT
32
PLLRILT
6
QSS_AM
5
R1IN
36
R2IN
41
SCL
46
SCOUT
59
SD
A
47
SEC_DEC
53
SIF1
63
24
CCOMBIN
29
COL_PLL
52
COMBOUT
26
CVBS1
16
CVBS2
18
CVBSINT
14
CVBSOUT
34
DEC
35
DIGDEC
33
DIGGND
31
FBL1IN
39
FBL2IN
40
G1IN
37
G2IN
42
GND_1
+8_1
11
+8_2
45
ADSEL
48
AGCDEC
4
AGCSIF
1
AV
1
15
AV
2
17
B1IN
38
B2IN
43
C3
21
C4
7323
TDA9320H
5404
6u8
F410
15K
2382
1p5
3378
3M575611
1307
HC-49/U
F427
2367
100n
F414
3436
220R
F355
2381
15p
100n
2357
9418
3380
100R
100n
2384
I6
F408
4K7
3412
1K
1
2
3
3457
1K
3420
SFSCC
1411
9412
100K
3301
3408
100R
F432
100n
2391
100R
3374
9406
100n
2316
10K
3415
1K
3405
5417
68u
F420
1K
3474
1K
9319
3473
BC847B
7411
9 10 13 14 15
11
12
16
17
OFWK3953L
1409-B
1
18
4 5 6
3434
2K7
6404
1SS356
7401
BC847BW
3417
5K6
F430
6K8
3448
2377
100u
2356
100n
6u8
5405
2
3
7
8
2387
10p
4n7
2412
OFWK9656L
1410-A
2373
100n
F402
7404
BC847BW
9417
1303
1
2
3
4
5
F416
F428
100n
2369
F412
9324
2375
22n
100n
2354
2388
33n
F425
2420
150p
2355
10p
2403
470n
1408-A
OFWK3953L
2
3
7
8
330p
2402
3403
220R
7402
BC847BW
9401
680R
F439
3404
560R
3413
100n
2365
9322
1K5
3462
100K
3401
2353
100n
12
16
17
OFWK3953L
1
18
4 5 6 9 10 13 14 15
11
2K2
3449
1408-B
4M433619
1305
HC-49/U
270R
3451
3373
3K3
3460
100R
150R
3452
9413
100n
2335
3381
100R
10p
2339
2411
100n
1p5
2380
2K7
3410
2u2
2394
33u
5312
F440
F436
HC-49/U
1306
3M582056
2383
10p
BFS20
7413
100n
2368
3439
470R
2430
100n
1p2
2361
3422
2K2
F419
10p
2426
F 500mA
1403
441
9403
F426
10p
2327
3468
100K
2374
2u2
2337
100n
F406
2371
4n7
22n
2401
100R
3389
2352
100n
2322
100n
2404
1u
100n
2351
F404
2350
100n
2u2
3419
82R
2389
3475
1K
3379
100R
5409
6u8
3370
100R
5416
5K6
3423
3409
2K7
F400
7407
BC857B
5310
100MHZ
100MHZ
5311
10p
2428
390R
3382
7
8
6403
OFWK3953L
1409-A
2
3
F438
100K
3303
2
3
2419
0p47
TPW
1407
1
F411
7409
BC857B
3K9
3433
2413
47u
BC847BW
7410
14
Y|CVBSO
1
CIN
16
COUT
4
DGND
9
FSC
8
FSCSEL
2
INPSEL
15
OUTSEL
7
SC
11
SYS1
10
SYS2
6
VCC
VDD
5
12
Y|CVBS1
3
Y|CVBS2
TDA9181
7307
13
A
GND
F413
15p
2379
V1
9420
100n
2378
F431
9410
470R
3385
4K7
3463
12p
2362
39K
3447
4n7
2405
2K7
3411
1
2
3
BC847B
7403
AG
C
+8VP
C-FR
ONT
-IN
Y
-CVBS-FR
ONT
-IN
CVBS-TER-OUT
+8VP
SOUND-OUTPUT
Y50
+8VP
COMB-C-OUT
COMB-Y_CVBS-OUT
+8VP
1406
TPW
R-SC3-IN
G-SC3-IN
B-SC3-IN
U50
V50
FBL-SC3-IN
+8VP
CVBS-A
V3-IN
A
V3-CVBS-IN
CVBS-3D-COMB
R-SC1_V-IN
G-SC1-IN_Y-IN
FBL-SC1-IN
+8VP
+8VP
COUT-3D-COMB
CVBS-TXT
COUT-3D
YOUT-3D
CVBS-TXT
Y50
+8VP
A
GC-MONIT
OR
CVBS-PIP_TUN1-2-CVBS-IN
SOUND-OUTPUT
QSS_AM
+8VP
+8VP
LMN
LMN
+8VP
+8VP
LMN
+8VP
+8VP
COMB-C-OUT
+5VS
COMB-Y_CVBS-OUT
COUT-3D
YOUT-3D
IF-TER
BG
+8VP
+8V_VDP
+5V_VDP
+5VCOM
+8V_CON
+8V_VDP
+8V
+5V2
+5V2_CON
YOUT-3D-COMB
SC1-ST
A
TUS
CVBS-SC2_MON-OUT
HA50
PIP-OUT
SC
LMN
SYS1
SYS2
V
A50
B-SC1-IN_U-IN
SCL-F
SD
A-F
CVBS-TXT
CVBS-SC1_A
V1-IN
C-SC2_SVHS-IN
Y
-CVBS-SC2_A
V2-IN
BG
SEL-SVHS-RR_ST
A
TUS2
+5VS
FSC
SC
SYS1
SYS2
7307-p4
FSC
+5VCOM
+5VCOM
7307-p4
E_14600_002.eps
300304
8204 000 8260.5
http://jdwxzlw.5d6d.com/?fromuser=森林
家电维修资料网
免费下载各种维修资料