Circuit Diagram (Part 4) - Philips LX7000SA Service Manual

AVC BOARD - CIRCUIT DIAGRAM (PART 4)
1 2 3
Note : Some values may varies, see respective parts list for correct value.
DC voltages measured in DISC mode STOP
Provision in layout only
*
@ For LX8000SA/21R/37S only
A
For LX8000SA/21R/37S only
7440
FE-BT-VK-N
LD1117DT33
@
1422
+5V_P_SCAN
B
4.9V
1
3
IN
FE-BT-VK-N
2
1424
+3V3_DVD
1 3
DGND
2 4
3
5
DGND
+5V_DVD
LD1117DT25
4 5445
6
3
5
7 IN
C
6 8
DGND
7 9
4.9V
DGND
8 10
9
11
10
12
+12V_DVD
11 13
12 14
D
13 15
DGND
14
16
+5V_P_SCAN
4.9V
E
For LX8000SA/21R/37S only
FE-BT-VK-N
1423
12
Y
11
10
Pb/Cb
F
9
8
Pr/Cr
7
*
GND_PS
6
DGND
5
GND_PS
+3V3_SCAN
4
+2V5_SCAN
3
G 2
+2V5_A_SCAN
1
PSCAN_SEL
*
+5V_P_SCAN
GND_PS
H
3.2V
3 2 1
*
SSAB110100
I
1400
GND_PS GND_PS GND_PS
1 2 3
10-8
4 5 6
1421
5430
1
2
3
4
5
6
7
8
9
+3V3_SCAN 10
3.3V
2
OUT
11
GND
12
1
13
14
DGND DGND
7442
15
+2V5_SCAN
2 2.5V 16
OUT
GND
17
1
18
19
DGND
20
*
+2V5_A_SCAN 21
22
23
24
NC
25
NC
DGND
26
27
NC
28
NC
29
DGND
30
+5V_P_SCAN
2403
100n
4.9V
5400 5401
0.4V 3 7400 GND_PS
5
AD8061
4u7 1u5
3406
1
0.8V 75R
4
2
0.4V
GND_PS
3404
3405
1K2
1K2
+5V_P_SCAN
2413
100n
4.9V
5410 5411
7410
0.7V 3 5
AD8061
GND_PS
4u7 1u5
3416
1
1.4V 75R
4
0.7V 2
3414
GND_PS
1K2 3415
1K2
+5V_P_SCAN
2423
100n
4.9V
5420 5421 7420
0.6V
3 5
AD8061
GND_PS
4u7 1u5
3426
1
1.2V 75R
4
2
0.6V
3424
GND_PS
1K2
3425
1K2
4 5 6
7 8 9
For /22S version only
I2C_CLK_DVD
5431
I2C_DATA_DVD
SCART1
SCART1
SCART0
BLUE_U
GREEN_Y
0 - 0.4V : CVBS
1 - 3.0V : EXT RGB
RED_V
+5V6
3470 3471
33R 47R
Y_Mono
C_Mono
V
+3V3_DVD
+5V_DVD
+12V_DVD
MUTE_DVD
DIG_OUT
* 4482
5482
2u2
For /22S version only
-5VVID
-5V 3480
4R7
GND_PS GND_DAC
+5VVID
1
+5V 3472
2
4R7
GND_PS
3
4
1434
GND_DAC
YKC21-4423
GND_PS
4486
*
GND_DIG
DGND
GND_PS
DGND
4485
2486 47n
V
D V
GND_PS
GND_PS
7 8 9
10-8
10 11 12 13
AVC Circuit Diagram (Part 4)
+12A 3481
LO_R
+5V 470R
*
GND_A
3494
7423 GND_A
LO_L
3482
BC847BW
10K
470R
*
D D D
*
GND_A
GND_A
* 2426
+5V 680p GND_A
V 1 2448
RT-01T
BC847BW
100n
* 1401
SCART0 3498
7424
0_6_12
10K
D
D D D V
Output on 0_6_12 0 - 2V : TV BCAST
2449
RT-01T 1
4.5 - 7V : 16 : 9 DVD
1402 100n
* V
9.5-12V : 4: 3 DVD
V
RT-01T
2487
1
* 1403 100n
V
+5VVID
4.9V
3440
2.4V 7421
BC847B
100R
1.7V
3443
75R
V
-5VVID
For /22S version only *
*
+5VVID
V
4.9V
2437 2447
3450
2.4V
7422 220p 220p
BC847B
100R
1.7V
3452
V V
75R
V
-5VVID
1430-A
6
@ 4483
CVBS
7 YKC22
V
V
3139 118 55510...8239_210_91843...for 3474 pt3 dd wk0232
10 11 12 13
14 1400 I2 5411 G4
1401 B13 5420 H4
1402 C12 5421 H4
1403 D12 5430 A6
1421 A6 5431 A7
1422 B1 5445 C2
5482 E9
1423 E1
1424 B1 7400 F6
1430-A I13 7410 G6
1430-B F13 7420 H6
1430-C E14 7421 E11
1431 A13 7422 H11
A
1434 H7 7423 A11
2400 F3 7424 B11
1431
2401 F4 7440 B3
2402 F7 7442 C3
1 * 2424
2403 F6
2
68p GND_A 2410 G3
2411 G4
3 * 2425
2412 H7
2413 G6
4 68p
GND_A
2420 I3
5 2421 I4
2422 I7
B
6
2423 H6
2450
2424 A14
7
2425 B14
68p V
8 2451 2426 B13
2433 G13
9 68p V
2434 G13
2435 F11
10 SCART
2436 H11
OUT
11 2452
2437 G12
2440 B3
12
68p V
2441 B4
2443 B4
13 C
2444 C4
14 2445 C2
2453
2446 D4
15
2447 G13
68p
V
2448 B13
16 2454
2449 C13
17
68p V 2450 B14
2451 B14
18
2452 C14
2453 C14
19 * 2455
2454 C14
20 68p D 2455 D14
V
2456 I12
21
2461 G9
2466 D12
V
2470 B10
2480 F9
2481 F9
2482 F14
2483 A12
2484 A12
2486 I9
2487 D13
E
2490 B12
2491 A13
1430-C
2492 A13
YKC22
3400 F3
3401 F3
8
3402 F5
4488
*
3403 F5
3404 G5
2482
3405 G6
22n
3406 F6
V
3410 G3
GND_A
F 3411 G3
3412 G5
S-VIDEO
3413 G5
1430-B 3414 H5
YKC22
3415 H6
1
2 3416 G6
3420 I3
3
4 3421 I3
3422 I5
5
2433
3423 I5
3424 I5
68p
3425 I6
G
2434 3426 I6
3430 H2
68p
3431 I2
V
3440 E10
3442 F11
3443 F11
V 3450 H10
3451 H11
3452 H11
3470 B9
3471 B10
3472 G9
H
3480 F9
3481 A13
3482 A13
3490 B11
3491 B12
3492 A10
3493 A10
3494 A10
3495 A11
3496 B11
3497 B11
3498 B11
I
3499 A12
4482 E9
4483 I11
4484 C6
4485 I8
4486 H8
4488 E14
5400 F4
5401 F4
5410 G4
14