Ssb: If, I/O Video Processing (B2) - Philips 3122 785 14580 Service Manual

Table of Contents

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Circuit Diagrams and PWB Layouts
SSB: IF, I/O Video Processing
1
2
3
IF,I/O VIDEOPROCESSING
B2
A
5416
+8V
B
3R9
I452
+5VCOM
+5V_VDP
3402
B13a
2412
IF-TER
C
SAW-FILTER AUDIO
4n7
OFWK3953L
+8VP
2
I1
3
I2
1
4
5
6403
38M9
6
9
BA591
10
GND
13
14
D
15
3414
18
0V4
4K7
7403
BC847BW
B2(3x)
B15a(4x)
LMN
+8VP
SAW-FILTER-VIDEO
9403
6402
2
E
I
3
ISWI
1SS356
1
4
5
3434
9402
6
+8VP
9
4K7
7401
10
GND
BC847BW
13
14
15
18
I460
F
+8VP
SAW-FILTER VIDEO
2406
A400
3406
2
3
G
27R
220p
6404
1
4
1SS356
5
6
9
10
13
14
15
7405
18
BC847BW
B2(3x)
3423
B15a(4x)
LMN
H
5K6
5403
5CCE
COIL 40.4 SUPPRESSION
I
8204 000 8483.1
1
2
3
FTP2.4E AA
4
5
6
+8V_VDP
+5VS
+8V_CON
I444
3400
I443
I445
F413
4R7
I411
+8VP
I440
3401
100K
F411
A411
2401
A412
10n
2416
1u0
1409
2409
1u0
A409
7
O1
A410
8
2436
1u0
O2
+8V_VDP
2404 1u0
7
8
5CCB
11
2411
5408
12
1
6
NC
16
MODULATOR
100n
17
2
COIL
3
4
I447
I446
7411
BC847BW
9417
3419
390R
1410
9418
9409
OFWK9656L
I448
5402
5406
2417
7
O1
8
3u9
3u3
O2
470n
I458
1406
1407
TPWKA
TPWKA
11
+8VP
12
1
3
1
3
I
O
I
O
40M4
NC
16
17
2
2
GND
GND
I461
3421
5K6
7406
BC847BW
7407
BC857BW
9412
I462
3417
1408
OFWK3953L
5K6
7
+8V_VDP
I1
O1
8
+8VP
I2
O2
+8VP
11
12
38M9
NC
16
1411
17
I463
SFSKA
GND
7410
3
1
O
I
2
GND
4M5
F451
I450
4
5
6
7.
EN 44
7
8
9
5404
7V7
I441
I421
F440
7V7
5405
I442
5
9
45
11
44
35
33
31
48
15
17
19
22
46
47
SUPPLY
CTRL
64
SIF2
63
SIF1
1
AGCSIF
I402
HIP
2
VIF1
3
VIF2
F403
4
4V5
AGCDEC
3418
6
2V8
PLLRILT
390R
7
VCO1
7323
8
TDA9321H/N2
VCO2
IF DEM
62
TUNERAGC
F401
3437
10
VIFOUT
1K0
V1
I6
GROUP
12
DELAY COR.
IN
13
OUT
LUMA & CHROMA PROC.
9414
I/O SWITCH
I467
7322
BC847BW
14
CVBSINT
28
29
25
16
18
20
21
23
24
32
34
26
+8VP
3382
I464
I449
560R
2434
7320
3413
5318
2300
47p
100n
270R
3300
33u
BC847BW
1K0
+8V_VDP
I465
7402
BC847BW
7415
BC847BW
7
8
9
10
11
12
13
B14c
2350
R-SC1_V-IN
2351
B14c
100n
G-SC1-IN_Y-IN
2352
B14c
100n
B-SC1-IN_U-IN
100n
+8VP
+8VP
7408
7409
I453
BC857BW
V9
I455
BC857BW
I454
58
61
60
B14c
SYNC
B14b,g,B15a
2305
9423
FBL-SC1-IN
36
R1IN
SC2-R_C-IN_AV2
100n
37
2355
B14b,g,B15a
10p
G1IN
2316
9424
38
B1IN
2364
SC2-G-IN
100n
39
FBL1IN
10p
B14c,g,B15a
2322
9425
41
R2IN
SC2-B-IN_C-OUT
100n
42
G2IN
2383 10p
B14b,B15a
43
B2IN
SC2-FBL-IN
9426
+8VP
40
I456
FBL2IN
10p
2327
49
YOUT
7414
50
BC847BW
BFR93AW
UOUT
B2,B6a
Y50
51
VOUT
B2,B6a
F404
Y50
57
B6a
X3.579
F405
U50
56
B6a
X3.575
F406
V50
55
X3.582
54
X4.43
52
COL_PLL
53
SEC_DEC
27
30
59
+5VCOM
+5VCOM
2354
2385
100n
100n
6
5
7307
TDA9181
2
INPSEL
Y|CVBSO
2424
12
Y|CVBS1
2H/4H DELAY
CLAMP
I434
ADAPTIVE
100n
3
Y|CVBS2
CLAMP
COMB FILTER
COUT
1
CIN
I435
7
SAND-
FILTER
CLOCK
SC
CASTLE
TUNING
GEN
13
4
9
8
11
10
15
I432
I433
10
11
12
13
14
1305 E11
3461 D14
1306 E12
3462 D14
1307 E12
3463 B5
1308 E13
3468 H10
B2
1406 E5
3473 D11
1407 E5
3474 F9
1408 G4
3475 G9
1409 C3
3476 H9
1410 E4
5309 H14
1411 G6
5310 H14
2300 F7
5311 I14
2302 G14
5312 F14
2305 C11
5318 F7
2316 C11
5401 D2
2322 C11
5402 E5
A
2327 D12
5403 H2
2339 H8
5404 B7
2350 A11
5405 B7
2351 A11
5406 E6
2352 A11
5408 D6
2353 I12
5411 C1
2354 G12
5416 A3
2355 C12
6402 E2
2356 F11
6403 D2
2357 F11
6404 G2
2358 F11
6405 E2
2359 F11
7307 G11
2360 F11
7320 F9
2361 F13
7322 E7
2362 F13
7323 D9
B
2364 C12
7401 F2
2365 F8
7402 H7
2366 F8
7403 D2
2367 F8
7405 H1
2368 F8
7406 F5
2369 F8
7407 F5
2370 F8
7408 A11
2371 B10
7409 A12
2372 B10
7410 H5
2373 B8
7411 D6
2374 B8
7412 F14
2375 B8
7413 D13
2376 B7
7414 D11
2377 B6
7415 H9
2378 B7
9318 G11
C
2379 F12
9319 G11
2380 F12
9322 G8
2381 F12
9401 F3
2382 F12
9402 E2
+8VP
+8VP
2383 D12
9403 E2
2384 F7
9404 F7
2385 G13
9405 E2
2387 B7
9406 F13
2388 A11
9407 B4
2389 B12
9408 H7
2391 B3
9409 E6
2392 B8
9410 B4
2394 B6
9412 G6
I457
2401 C6
9413 F7
D
2402 G6
9414 E7
7413
2403 F9
9415 D2
2404 C7
9416 D5
2405 D1
9417 D6
2406 G2
9418 E5
2407 G3
9419 E7
2408 H3
9420 F6
2409 C7
9422 H6
2410 G9
9423 C11
2411 D6
9424 C11
I424
2412 C1
9425 C12
B2
COMB-Y_CVBS-OUT
2413 D5
9426 D11
2414 H6
9427 G7
2415 H6
9428 H8
2416 C7
A400 G3
E
+5VS
2417 E6
A409 C5
2418 D6
A410 C5
2419 D7
A411 C4
2420 G8
A412 C4
2421 F14
F401 D7
2422 E13
F403 C7
2423 G14
F404 D12
2424 G10
F405 E12
2425 B1
F406 E12
I425
2426 H13
F407 B10
2427 I14
F408 B10
7412
2428 I14
F411 C6
BC857BW
2430 D11
F413 B6
I426
2432 D12
F437 D1
3451
F
2433 G9
F440 B8
2434 F10
I401 H10
270R
2435 G9
I402 C7
2436 C7
I411 B5
3300 F7
I415 H8
5312
I427
3301 I12
I417 F8
3303 H10
I421 B8
33u
3370 F9
I422 B8
3371 H9
I424 E14
3372 H9
I425 F14
3376 B9
I426 F14
3377 B10
I427 F14
3378 B10
I428 F13
3380 B7
I430 G14
3382 F7
I431 H14
7307-p4
G
B2
3385 G7
I432 H12
3393 F11
I433 I11
B2
3400 B5
I434 G11
14
YOUT-3D
3401 B7
I435 H11
B2
3402 B1
I440 B4
COUT-3D
3404 I6
I441 B7
I430
B2
2302
3405 H5
I442 B7
16
COMB-C-OUT
3406 G2
I443 B6
I431
3407 F2
I444 B5
100n
3408 B5
I445 B5
3409 G2
I446 D5
3410 E3
I447 D5
3411 D2
I448 E6
3412 G6
I449 F7
5309
CVBS-TXT
H
3413 F9
I450 H6
B2(2x)
3414 D2
I451 H5
3415 B5
I452 B1
B5a
3416 D5
I453 B11
5310
COUT-3D
3417 G5
I454 B12
3418 D7
I455 B12
B2
3419 E5
I456 D13
3420 G6
I457 D14
YOUT-3D
5311
3421 F5
I458 E4
3422 G9
I460 F2
B2
3423 H1
I461 F5
3433 G1
I462 G5
3434 E2
I463 G5
3435 G5
I464 F9
3436 E6
I465 G9
I
3437 D7
I467 E7
3439 E6
c002 A8
3441 B5
3444 B11
3445 F6
3447 B11
3448 B12
3449 B12
3450 E14
3451 F14
3452 F14
F_15460_013.eps
3456 G5
3457 H5
070405
3460 D13
14

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