Circuit Diagram (Bottom Left) - Philips LX3000D Service Manual

CIRCUIT DIAGRAM ( Bottom Left )
0V
3
DL 0.15V
4
DR 0.15V
5
0V
6
DSL 0.15V
B
7
DSR 0.15V
8
0V
9
DC 0.15V
10
D-SUB 0.15V
11
12 -12V
13 +12V
0V
14
0V
16
0V
15
14 -12V
13 +12V
0V
12
4.9V
11
0V P-SL
10
V-IN 5V
9
MAIN-MUTE
0V
8
P-SR 0V
7
P-C
0V
6
P-L 0V
5
P-R 0V
4
0V
3
0V
2
1
RB601
TV-V
C422
C 47P
R431 56K
2 0V
C
C423
0V 1
3
0V
4.7U F
I IC403A IC I
4558
-10.8V
C424
104
C425 47P
R43312K
R432 10K
6 0V
R434
C426
0V 7
5
0V
4.7U F 4.7U F
4.7U F 4.7U F 10K
IC IC403B IC IC
4558 4558 4558
+10.8V
C427 C427 C427 C427
104 104 104 104
IC404A I I
R435 10K 10K
10K 10K
2 4558
0V
C C C C428
0V 1
224 224
C430 C C C
3 0V
224
-10.8V
C429
C431
R436 R436
R436 R436
224 224 224 224 C432 C432 C432 C432
224 224 224 224 47K 47K 47K 47K
104 104 104 104
C433 C433 C433 C433
D
104 104
104 104
6 0V
C435 C435 C435 C435
0V
7
R437 R437 R438 R438 R438 R438
R437 R437
5 0V
4.7U F
I I I IC404B
12K 12K
12K 12K 12K 12K 12K 12K
4558
C434
+10.8V
473 473 473 473
C436
104
1
8-4
L DL
DR
STR
STL
62446/ 1035- C LK
62446/ 1035- D A
C451
104 104
104 104
IC407B
4558
C449
R442
7 0V
4.7K
4.7U F
Q401
R443
22K
IC407A IC407A IC407A IC407A
C454 C C C
4558 4558 4558 4558
R447
1
0V
4.7K
4.7U F F F F
Q402
R448 448 448 448
22K
4.7U F 4.7U F 4.7U F 4.7U F
IC405 IC I
C437 437 437 437
12 14 53L
0V 0V
X0 X
DL
0V 13
X1
0V 2 15 0V 53R
Y0 Y
DR 0V 1
C438 C438 C438 C438
Y1
4.7U F 4.7U F 4.7U F 4.7U F
0V 5 4 0V 53C 53C 53C 53C
Z0 Z
DC DC DC DC 0V 3
Z1
0V 11
A
0V 10
B
7.2V
0V 9 16
C VCC
0V 6
INH
0V 8 7 -7.2V
GND VEE
4053 4053 4053 4053
IC406 IC406 IC406 IC406
53SL 53SL
0V 12 14 0V 53SL 53SL
X0 X
DSR 0V 13
X1
0V 2 15 0V 53SR 53SR 53SR 53SR
Y0 Y
DS
0V 1
Y1
PSU PSU B 0V 5 4 0V 53SU B 53SU B 53SU B 53SU B
Z0 Z
DSUB
0V 3 C443 C443 C443 C443
Z1
47UF 47UF 47UF 47UF
0V
11
A C444 C C C
0V 10
B 104
9 16 7.2V
0V
C VCC
0V 6 C445 C445 C445 C445
INH
8 7 -7.2V 47UF 47UF 47UF 47UF
0V
GND VEE
C446
4053 104
MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE
R4004 22K R4004 R4004 R4004 22K 22K 22K
-12V
R4012 R4012 56k R4012 R4012 56k 56k 56k R4011 R4011 R4011 R4011 10k
JW4010 OHM
C450
R449
47UF
+12V
100
+10.8V
C447 C447 C447 C447
0V 5
4.7U F 4.7U F 4.7U F 4.7U F
0V 6
R439
C448 47P R440
100K
10K
R441 R441 R441 R441 22K 22K 22K 22K
C455 C455 C455 C455
C456 C456 C456 C456
47UF 47UF 47UF 47UF
104 104 104 104
-12V
R450 100 R450 R450 R450 100 100 100
-10.8V
C452 C452 C452 C452
0V 3
4.7U F 4.7U F 4.7U F 4.7U F
0V
2
R444 R444 R444 R444
C45347P C453 C453 C453 47P 47P 47P R445 R445 R445 R445
10K 10K 100K 100K 100K 100K
10K 10K
R446 R446 R446 R446
22K 22K 22K 22K
R461 22K R461 R461 R461
R462 R462 R462 22K R462
R463 22K R463
R463 R463
R464 R464 R464 R464 22K
R453 R453 R453 R453 10K 10K 10K 10K
OK-MUTE
R454 R454 R454 R454 10K 10K 10K 10K
4.8V
1
OUT4
A-MUTE 2 4.8V
OUT3
4052A 3 0V
C439 C439 C439 C439
OUT2
4052B
4 0V
OUT1
4.7U F 4.7U F 4.7U F 4.7U F
5
4.8V 0V
AVDD
R455 R455 R455 R455
100 6
0V
SWIN
7 0V
GNDS
R456
100 8
0V
SRIN
R457 R 100 9 0V
SLIN
10 0V
GNDS
R458 100 11
0V
CIN
12 0V
GNDR
R459 100
13 0V
RIN
14
0V
GNDL
R460 100 15 0V
LIN
C440 C440 C440 C440
16 0V
BYPASSR
17
0V
4.7U F 4.7U F 4.7U F 4.7U F
BAPASSL
18 0.5V
LTRE
C441 C441 C441 C441
19 0V
LBASS3
4.7U F 4.7U F 20 0V
4.7U F 4.7U F
LBASS2
21
0V
LBASS1
C442 C442 C442 C442
4.7U F 4.7U F
4.7U F 4.7U F
R451 R451 R451 R451
C463 C463 C463 C463
+12V
474 474 474 474
150 1/ 4 W 150 1/ 4 W
150 1/ 4 W 150 1/ 4 W
ZD401 ZD401
ZD401 ZD401 C462 C462
C462 C462
7V 7V 7V 7V 153 153 153 153
R466 R466 R466 R466
R452 R452 +12V
R452 R452
220 1/ 4 W 220 1/ 4 W 220 1/ 4 W 220 1/ 4 W
-12V
C468 C468 C468 C468
150 1/ 4 W 150 1/ 4 W
150 1/ 4 W 150 1/ 4 W
C467 C467 C467 C467
ZD402 ZD402 ZD403 ZD403
ZD402 ZD402 ZD403 ZD403
104 104 104 104
7V 7V 7V 7V 7V 7V 7V 7V
47UF 47UF 47UF 47UF
2
8-4
10k 10k 10k
R468 R468 R468 R468 1K
C471 C471 C471 C471
4.7U F 4.7U F 4.7U F 4.7U F
C476 C476 C476 C476
R474 1K R474
R474 R474
4.7U F 4.7U F 4.7U F 4.7U F
C481 C481 C481 C481
R480 1K R480
4.7U F 4.7U F R480 R480
4.7U F 4.7U F
+5V
22K 22K 22K
22K 22K 22K
22K
22K 22K
22K 22K 22K
4.9V 42
DVDD C485 C485 C485 C485
4.9V 41
CLK
0V 40
R486 1K R486 R486 R486
DATA 4.7U F 4.7U F 4.7U F 4.7U F
4.9V 39
LATCH
38
0V
DGND
37
0V
AGND
VOL-SUB VOL-SUB
0V 36 VOL-SUB VOL-SUB
SWOUT
35 VOL-S VOL-S VOL-SR
0V
SROUT
0V 34 VOL -SL
SLOUT
VOL-C
0V 33 VOL-C -C
COUT
32 VOL-R
0V
ROUT
0V 31 VOL-L VOL-L VOL-L VOL-L
LOUT
-6.8V 30
AVSS
29 C C459 4.7U F
0V
CL1
0V 28
C489 C489 C489 C489
CL2
4.7U F 4.7U F
0V 27 C C C C460 4.7U F 4.7U F
CR1
26
0V
R492 1K R492
CR2 R492 R492
4.7U F 4.7U F 4.7U F 4.7U F
0.5V 25
RTRE
0V 24
RBASS3
0V 23
RBASS2
22
0V
RBASS1
C466 C466 C466 C466
474 474 474 474
R4100 1K R4100 R4100 R4100
C465 C465 C465 C465
153 153 153 153
R467 R467 R467 R467
C493 C493 C493 C493
-12V
220 1/ 4 W 220 1/ 4 W 220 1/ 4 W 220 1/ 4 W
C469 C469 C469 C469
R498 R498 R498 R498 1K
C470 C470 C470 C470 4.7U F 4.7U F 4.7U F 4.7U F
104 104 104 104
ZD404 ZD404 ZD404 ZD404
47UF 47UF 47UF 47UF
7V 7V 7V 7V
3
MAIN-MUTE MAIN-MUTE MAIN-MUTE MAIN-MUTE
C472 561 C472 561
C472 C472 561 561
R470 R470 R470 R470 R471 R471 R471 R471
1.5K 1.5K 1.5K 1.5K 2.7K 2.7K 2.7K 2.7K
6
0V
C473 C473
C473 C473
R4 R4 R4 R4
0V 7
1K 1K 1K
5 0V IC409B IC409B IC409B IC409B
1. 1. 1. 1.
4.7U F 4.7U F 4.7U F 4.7U F
4558 4558 4558 4558
+12V
R469 R469 R469 R469
R4105 R4105 R4105 R4105
C474 C474 104 C474 C474 104 104 104
47K 47K 47K 47K
100 100 100 100
C475 C475 47UF
C475 C475 47UF 47UF 47UF
C477 C477 C477 C477 561 561 561 561
R476 R4761.5K R476 R476 1.5K 1.5K 1.5K R477 R477 R477 R477
2.7K 2.7K 2.7K 2.7K
2 0V
C478 C478 C478 C478
R4 R4 R4 R4
0V 1
1K
1K 1K
3 0V
IC409A IC409A IC409A IC409A
1. 1. 1. 1.
4.7U F 4.7U F 4.7U F 4.7U F
4558 4558 4558 4558
-12V
R475 R475 R475 R475 R4106 R4106
R4106 R4106
C479 104 C479 C479 C479 104 104 104
47K 47K 47K 47K
100 100 100 100
C480 47UF C480 C480 C480
47UF 47UF 47UF
C482 C482 C482 561 C482 561 561 561
R482 R482
R482 R482 R483 R483 R483 R483
1.5K 1.5K 1.5K 1.5K 2K 2K 2K 2K
6 0V
C483 C483 C483 C483
R4 R4
R4 R4
0V 7
0V IC410B IC410B
5 IC410B IC410B
1. 1. 1. 1.
4.7U F 4.7U F 4.7U F 4.7U F
4558 4558 4558 4558
1K
1K 1K
R481 R481 R481 R481
47K 47K 47K 47K
10.8V
C484 C484 C484 C484
104 104 104 104
C486 C486 561 C486 C486 561 561 561
R4881.5K R488 1.5K R489 R489
R488 R488 1.5K 1.5K R489 R489
2K 2K 2K 2K
2 0V
C487 C487 C487 C487
R4 R4 R4 R4
0V 1
3 0V IC410A IC410A
IC410A IC410A
1. 1. 1. 1.
4.7U F 4.7U F
4.7U F 4.7U F
4558 4558 4558 4558
1K 1K 1K
R487 R487 R487 R487
47K 47K
47K 47K -11.2V
C488 C488 C488 C488
104 104
104 104
C490 C490 561 561
C490 C490 561 561
R494 R494 R494 R494 R495 R495 R495 R495
1.5K 1.5K 1.5K 1.5K 2K 2K 2K 2K
6 0V
C491 C491 C491 C491
R4 R4 R4 R4
0V 7
0V IC411B IC411B
5 IC411B IC411B
1. 1. 1. 1.
4558 4558 4558 4558 4.7U F 4.7U F 4.7U F 4.7U F
1K
1K 1K
R493 R493 R493 R493
47K 47K 47K 47K
10.8V
C492 C492 C492 C492
104 104 104 104
C494 561 561
C494 C494 C494 561 561
1K 1K 1K R4101 R4101 R4101 R4101
1.5K 1.5K 1.5K 1.5K
2 0V
C495 C495 C495 C495
R4 4 102
0V 1
3 0V
IC411A IC411A IC411A IC411A
2.2k
4.7U F
4558 4558 4558 4558
1K 1K 1K
R499 R499 R499 R499
R41
47K 47K 47K 47K -11.2V
10K
C496 C496 C496 C496
104 104
104 104