Circuit Diagram ( Bottom Right) - Philips LX3000D/21L Service Manual

www.freeservicemanuals.info
CIRCUIT DIAGRAM ( Bottom Right )
MAIN-MUTE MAIN-MUTE
MAIN-MUTE MAIN-MUTE
C472 C472 C472 561 C472 561 561 561
R470
R471
1.5K 2.7K
6 0V
7
0V
R468 1K
5 0V IC409B
4558
+12V
R469
R4105
C474 104
47K
100
C475 47UF
C471
C477 561
4.7U F
R4761.5K R477
2.7K
2 0V
1
0V
C476
R474 1K
3 0V IC409A C409A
4558
4.7U F
-12V
R475
R4106
C479 104
47K
100
C480 47UF
C482 561
R482 R483
1.5K 2K
6
0V
0V 7
C481 C481 C481 C481
0V IC410B IC410B IC410B IC410B
5
4558 4558 4558 4558
R480 1K R480 R480 R480 1K 1K 1K
4.7U F 4.7U F 4.7U F 4.7U F
R481 R481 R481 R481
47K 47K
47K 47K 10.8V
C484 C484 C484 C484
104 104 104 104
C486 C486 C486 C486 561 561 561 561
R488 R488 R488 R4881.5K 1.5K 1.5K 1.5K R489 R489 R489 R489
2K 2K 2K 2K
2
0V
0V 1
C485 C485 C485 C485
3 0V IC410A IC410A IC410A IC410A
4558 4558 4558 4558
R486 1K R486 R486 R486 1K 1K 1K
4.7U F 4.7U F 4.7U F 4.7U F
R487 R487 R487 R487
47K 47K
47K 47K
-11.2V
C488 C488 C488 C488
104 104 104 104
C490 561 C490 C490 C490 561 561 561
R494 R494 R494 R494 R495 R495
R495 R495
1.5K 1.5K 1.5K 1.5K 2K 2K 2K 2K
6
0V
0V 7
C489 C489 C489 C489
0V IC411B IC411B IC411B IC411B
5
4558 4558 4558 4558
R492 1K R492 R492 R492 1K 1K 1K
4.7U F 4.7U F 4.7U F 4.7U F
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
R4100 1K R4100 1K R4101 R4101
R4100 R4100 1K 1K R4101 R4101
1.5K 1.5K
1.5K 1.5K
2 0V
1
0V
C493 C493 C493 C493
3 0V IC411A IC411A IC411A IC411A
4558 4558 4558 4558
R498 R498 1K R498 R498 1K 1K 1K
4.7U F 4.7U F 4.7U F 4.7U F
R499 R499 R499 R499
47K 47K 47K 47K
-11.2V
C496 C496 C496 C496
104 104 104 104
3
8-5
IC501 IC501 IC501 IC501 TDA7265
C473
R472
1.5k
4.7UF
R473
10K
C478
R478
1.5k
4.7U F
R479
10K
IC502 IC502 IC502 TDA7265 IC502 TDA7265 TDA7265 TDA7265
C483 C483 C483 C483
R484 R484
R484 R484
1.5k 1.5k
1.5k 1.5k
4.7U F 4.7U F 4.7U F 4.7U F
R485 R485 R485 R485
10K 10K 10K 10K
C487 C487
C487 C487
R490 R490 R490 R490
1.5k 1.5k
1.5k 1.5k
4.7U F 4.7U F 4.7U F 4.7U F
R491 R491 R491 R491
10K 10K 10K 10K
IC503 TDA7265 IC503 IC503 IC503
C491 C491 C491 C491
R496 R496
R496 R496
1.5k 1.5k 1.5k 1.5k
4.7U F 4.7U F 4.7U F 4.7U F
R497 R497 R497 R497
10K 10K 10K 10K
C495 C495
C495 C495
R4102 R4102 R4102 R4102
2.2k 2.2k 2.2k 2.2k
4.7U F 4.7U F 4.7U F 4.7U F R4104 22K R4104 R4104 R4104 22K 22K 22K
R4103 R4103 R4103 R4103
Q403 Q403 Q403 Q403
10K 10K 10K 10K
2SC 2878 2SC 2878 2SC 2878 2SC 2878
C915 C915 C915 C915 C913 C913 C913 C913
104 104 104 104 220U F 220U F 220U F 220U F
3 IC901 IC901 IC901 IC901
7912 7912 7912 7912
MAIN-MUTE MAIN-MUTE
MAIN-MUTE MAIN-MUTE -12V
TDA7265 TDA7265 TDA7265
L501 1UH L501 L501 L501 1UH 1UH 1UH
L502 L502 L502 1UH L502 1UH 1UH 1UH
L503 1UH L503 L503 L503 1UH 1UH 1UH
L5051UH L505 L505 L505 1UH 1UH 1UH
L506 1UH L506 L506 L506 1UH 1UH 1UH
L-OUT L-OUT L-OUT L-OUT
R-OUT R-OUT R-OUT R-OUT
D504
D508
MAIN-MUTE
D509
R528 R528 R528 R528
C524
10K 10K 10K 10K 0.22UF
C-OUT C-OUT C-OUT C-OUT
R529 R
Q Q504 Q504 Q504
10K 10K 10K 10K
2SA 733 2SA 733 2SA 733 2SA 733
504
R530 R530 R530 R530
1K 1K 1K 1K
TDA7265 TDA7265 TDA7265
D912 D912 D912 D912
1N4001 1N4001 1N4001 1N4001
+20V
C902 C902 C902 C902
C906 C906 C906 C906
223/ 1 00V 223/ 1 00V 223/ 1 00V 223/ 1 00V
6800U F/25V 6800U F/25V 6800U F/25V 6800U F/25V
1
C904 C904 C904 C904
C905 C905 C905 C905 223/ 1 00V 223/ 1 00V
223/ 1 00V 223/ 1 00V
6800U F/25V 6800U F/25V 6800U F/25V 6800U F/25V
SR-OUT SR-OUT SR-OUT SR-OUT
SL-OUT SL-OUT SL-OUT SL-OUT
-20V
4
8-5
R904 R904
R904 R904
220 1/ 2W 220 1/ 2W 220 1/ 2W 220 1/ 2W
R901 R901 1 1/ 2 W 1 1/ 2 W
R901 R901 1 1/ 2 W 1 1/ 2 W
2
-20V
FUSE RESISTOR FUSE RESISTOR FUSE RESISTOR FUSE RESISTOR
R R R R
10
L L L L 9
8
C C C C 7
6
SR SR SR SR 5
4
SL SL SL SL
3
2
1
CN501 CN501 CN501 CN501
1N4148
Q505 Q505 Q505 Q505
R531 R531 R531 R531
1N4148
10K 10K 10K 10K
2SA 733
1N4148
R525 R523 R523
R523 R523
C525 C525 C525 C525
10K 220K 220K 220K 220K
2200U F 2200U F 2200U F 2200U F
Q502 Q502 Q502 Q502
Q503 Q503 Q503 Q503 R527 R527 Q501 Q501 Q501 Q501
R527 R527
2SC 2SC945
2SC 2SC 2SC 945 2SC 945 2SC 945 2SC 945
100K 100K 100K 100K
R532 R532 R532 R532
12K 12K
12K 12K
D910 D910 D910 D910
1N4001 1N4001 1N4001 1N4001
F901 F901 F901 F901
C907 C907 C907 C907 R920 R920 R920 R920
6.8K 6.8K 6.8K 6.8K
3.3U F 3.3U F 3.3U F 3.3U F
D901 D901 D901 D901 T6.3A L/250V T6.3A L/250V T6.3A L/250V T6.3A L/250V
C901 223/ 1 00V C901 223/ 1 00V
C901 C901 223/ 1 00V 223/ 1 00V
4
C903 C903 C903 C903
T6.3A L/250V T6.3A L/250V
T6.3A L/250V T6.3A L/250V
223/ 1 00V 223/ 1 00V
223/ 1 00V 223/ 1 00V
F902 F902 F902 F902
5
It`s Free
1
2
B
CN905 CN905 CN905 CN905
JK501 JK501 JK501 JK501
RB501 RB501 RB501 RB501
M901 M901 M901 M901
C
RB905 RB905 RB905 RB905
JW401 JW402 JW401 JW401 JW401 JW402 JW402 JW402 JW403 JW403 JW403 JW403
PRO LOGIC SHOR T SHOR T
OPEN
SURROUND OPEN SHORT OP EN
D
CN*** TO /FROM RB*** CN*** TO /FROM RB*** CN*** TO /FROM RB*** CN*** TO /FROM RB***
BRAND: PHI LI PS
MODEL: LX3000D /LX3500D