Philips EM5.1E Service Manual page 58

Circuit Diagrams and PWB Layouts
Small Signal Board: IF. I/O Video Processing
1 2 3
IF,I/O VIDEOPROCESSING
A
1403 5415 5416
+5V2 +5V2_CON +8V
F 500mA
441
B
3R9
F438
+5VCOM
+5V_VDP
3402
1409-A
OFWK3953L
SAW-FILTER AUDIO
2412
B1-59 F416
2
IF-TER
C 4n7
3
1409-B
OFWK3953L
MT
6403
1 4 5 6 9 10131415 11
BA792
D 3414
7403
BC847B
4K7
LMN
9403 1410-A
OFWK9656L
SAW-FILTER-VIDEO
6402
2
E
1SS356
3
+8VP 3434
9402
1410-B
2K7
7401
OFWK9656L
BC847BW MT
1 4 5 6 9
F
1408-A
OFWK3953L
SAW-FILTER VIDEO
3406 2406 F400
2
47R
220p
6404
G 3
1SS356
1408-B
OFWK3953L
MT
1 4 5 6 9 10131415 11
7405
BC847BW
3423
LMN
5K6
H
5CCE
5403
COIL 40.4 SUPPRESSION
I
I5 I6
PM3394B PM3394B
20mV / div AC 1V / div DC
8204_000_8130.7
10us / div 10us / div
1 2 3
EM5.1E
4 5 6
+5VS
+8V_CON
+8V_VDP 3400
F413
4R7
3401
100K
F411
2401
F412
7
I5
F409
8
F410
5CCE
+8V_VDP
7 8 5408
2411
NC
18 16
1 6
100n
12 17
2 5
F414 3 4
5V4
7411
MODULATOR COIL
BC847B
9417
2V4
F436
3419
82R
9418
5402 5406 F439 2417
7
3u9 2u2
470n
1406 1407
8 TPW TPW
+8VP
1 3 1 3
7V6
NC
2 2
10131415 11 18 16
12 17
9413
3421
5K6
7406
BC847BW
7407
BC857B
3417
5K6
7
+8VP
+8VP
8
1411
SFSCC
7410
NC
3 1
18 16
+8VP
12 17
2
7402
BC847BW
V1 V2 V5 V6 V7
PM3394B PM3394B PM3394B PM3394B PM3394B
1V / div DC 1V / div DC 1V / div DC 500mV / div DC 500mV / div DC
10us / div 10us / div 10us / div 20us / div 20us / div
4 5 6
7. 58
7 8 9
5404 F419
6u8
F440
F421
5405
6u8
F420
5 9 45 11 44 35 33 31 48 15 17 19 22 46 47
SUPPLY CTRL
64
4V7 4V7
SIF2
22n 63
4V7 4V7
SIF1
2409
1
3V7
AGCSIF
HIP
F402
2u2
2
4V7
VIF1
2403
3
470n
4V7
VIF2
2404 F403
4
4V7
AGCDEC
3418
1u
6
2V7
PLLRILT
390R
7
3V8 7323
VCO1
TDA9320H
8
3V8
VCO2
IF DEM
62
1V5
TUNERAGC
F401 3437
10
3V4
VIFOUT
1K
V1
I6
GROUP
12
4V9 DELAY COR.
IN
13
3V4
OUT
LUMA & CHROMA PROC.
9414
I/O SWITCH
7322
14
BC847BW
CVBSINT
3V9
V5
16 18 20 21 23 24 32 34 26 28 29 25 27
2V7
+8VP
3382
7320
390R
7V6
F417
2V8
BC847BW
L8
V8 V9 V10 F14
PM3394B PM3394B PM3394B
1V / div DC 2V / div DC 2V / div DC 1V / div DC 1V / div DC
5ms / div 20us / div
20us / div 200us / div 200us / div
7 8 9
10 11 12 13
L8
2350
R-SC1_V-IN
B1 B10
B1-52
2351
100n
G-SC1-IN_Y-IN
F14
B1-51
2352
100n
B-SC1-IN_U-IN
B1-50
100n +8VP
+8VP
V9
7408
BC857B
7409
BC857B
CVBS-3D-COMB
COUT-3D-COMB
58 61 60
YOUT-3D-COMB
SYNC
B1-54
36
R1IN
1V2
2305
3373 FBL-SC1-IN
37 B5-174
G1IN
2V
2355 R-SC3-IN
100n 100R
38
B1IN
2V2
2316
3374 10p B5-175
39
FBL1IN
0V
2364 G-SC3-IN
100n 100R
41
R2IN
2322
3375 10p
42
B5-176
G2IN
2383 B-SC3-IN
100n 100R
43
B2IN
10p
3379
40
B5-177
FBL2IN
FBL-SC3-IN
100R 2327
V7
49
2V7
YOUT
B3a-126
10p
50 V8
2V3 U50 BFS20
UOUT
F405 B3a-127 Y50
F406
51
2V2 V50
VOUT
57 7404 +8VP
2V5
X3.579
B3a-125
BC847BW
F404
56
Y50
X3.575
55
X3.582
V6
54
2V5
X4.43
52
5V2
COL_PLL
53
0V
SEC_DEC
30 59
+5VCOM
+5VCOM
2354 2385
100n 100n
7307
TDA9181 6 5
9324
VCC VDD
2 INPSEL
Y|CVBSO
2424
12 Y|CVBS1
2H/4H DELAY
CLAMP
F434
100n 3 Y|CVBS2 ADAPTIVE
CLAMP
COMB FILTER COUT 16
1 CIN
F435
7 SC
SAND- FILTER CLOCK
CASTLE TUNING GEN
F433
13 4 9 8 11 10 15
F432
10 11 12 13
14 1303 B13 3412 E
1305 E11 3414 D
1306 E12 3415 A
1307 E12 3416 D
1308 E13 3417 G
1403 A1 3418 D
1406 E5 3419 E
1407 E5 3420 G
1408-A F4 3421 F
1408-B G3 3423 H
1409-A C4 3433 G
1409-B C3 3434 E
1410-A E4 3435 G
A
1410-B E3 3436 E
1411 G6 3437 D
2302 H14 3439 E
2305 C11 3441 B
2316 C11 3444 B
2322 C11 3445 F
2327 D12 3446 F
1303
2339 H8 3447 B
F354
5309
CVBS-TXT
2350 A11 3448 B
5
100MHZ 2351 A11 3449 B
2352 A11 3450 E
4
F355 5310 B 2353 I12 3451 F
COUT-3D
2354 G12 3452 F
3 100MHZ
2355 C12 3456 G
2 2356 F11 3457 H
F356 5311
YOUT-3D
2357 F11 3460 D
1 100MHZ
2358 F11 3461 D
2359 F11 3462 D
2360 F12 3463 B
2361 F13 3468 H
2362 F13 3473 F
2364 C12 3474 F
2365 F7 3475 C
C
2366 F8 5309 B
2367 F8 5310 B
2368 F8 5311 B
2369 F8 5312 F
2370 F8 5401 D
2371 B10 5402 E
2372 A10 5403 H
2373 B8 5404 B
2374 B8 5405 B
2375 B8 5406 E
2376 B7 5408 C
7413
2377 B6 5409 G
D
2378 B7 5411 C
2379 F12 5415 A
2380 F12 5416 A
2381 F12 5417 G
2382 F12 6402 E
2383 D12 6403 D
2384 F7 6404 G
F424
COMB-Y_CVBS-OUT
2385 G13 6405 E
2387 H9 7307 G
2388 A11 7320 F
2389 B12 7322 E
+5VS
E 2390 B1 7323 D
2391 B3 7401 E
2394 B6 7402 H
2399 F7 7403 D
2401 C6 7404 D
2402 G7 7405 H
2403 C7 7406 F
F425
2404 C7 7407 F
7412
2405 D1 7408 A
BC857BW
2406 G2 7409 A
3451 F426
2407 G3 7410 G
2408 H3 7411 D
270R
F
2409 C7 7412 F
2411 D6 7413 D
5312 F427 2412 C1 9318 G
2413 D5 9319 G
33u
2417 E7 9322 F
2418 D7 9324 G
2419 D7 9401 F
2420 G8 9402 E
2421 F14 9403 E
2422 E13 9405 E
7307-p4 2423 F14 9406 F
2424 G11 9407 A
G
2425 B1 9408 H
2426 C13 9410 A
V3
2427 C14 9412 F
14
YOUT-3D 2428 C14 9413 F
3301 I12 9414 E
3303 H10 9415 C
F430 2302
COMB-C-OUT 3370 F9 9416 D
3371 G9 9417 D
F431
100n
3372 G9 9418 E
3373 C12 9419 E
COUT-3D
3374 C12 9420 F
H 3375 C12 F354 B
3376 A10 F355 B
V4
3377 A10 F356 B
3378 B10 F400 G
3379 D11 F401 D
3380 B7 F402 C
3381 H8 F403 C
3382 F7 F404 E
3385 G7 F405 D
3389 F9 F406 D
3393 F11 F407 B
3400 B5 F408 B
I
3401 B7 F409 C
3402 B1 F410 C
3403 G7 F411 C
3404 I6 F412 C
3405 H5 F413 B
3406 G2 F414 D
3407 F2 F415 H
3408 B5 F416 C
3409 G2 F417 F
CL 36532017_019.eps
3410 E3 F418 G
230403
3411 C2 F419 B
14