Audio Pwb Circuit Diagram - JVC PD-42V475 Service Manual

AUDIO PWB CIRCUIT DIAGRAM SHEET21
AU_+VCC VCC12V
IC6671
BA12FP-X
Y6501
CN600Z QRN143J-0R0X
OPEN
VCC
OPEN C6513 C6514 C6515 C6516
NC
0.01 47 /25 47 /16 0.01
GND
GND
R6687
OPEN
C6503
R6688
OPEN
0
CH
C6501
R6503 R6505
OPEN
OPEN OPEN
R6501
OPEN
C6504
OPEN
CH
C6505
R6502 C6502
R6504 4.7 /50
OPEN OPEN R6506
OPEN
OPEN
R6592
0
CN600C
R6514 C6512
IN_GND
QGA2001C2-06V R6593 OPEN OPEN
0
INTERFACE
R6594
IC6501
0
OPEN
PWB (1/2)
C6511
CN00C
OPEN
R6513
OPEN
(SHEET19)
C6507
R6510
OPEN R6512
OPEN
OPEN
R6508 C6510
OPEN 4.7 /50
CH
C6509
OPEN
R6507 C6506
R6509 R6511
OPEN OPEN
OPEN OPEN
R6689
0
CH
R6690
C6508
OPEN
OPEN
C6402 C6401
OPEN OPEN
IC6401
OPEN
DGND
GND
NOTE) Please refer to page 2-89 for voltages of this circuit diagram.
AUDIO PWB ASS'Y
R6591
OPEN
SFP-6004A-M2
GND
Q6523
∗
2
R6541
2.2K
C6546
C6527 C6540 C6542
0.01 R6540
4.7 /50 4.7 /50 4.7 /50
10K
C6522 C6523 C6525 C6526 C6539 C6541 C6543
.0033 .033 .0047 0.1 0.1 4.7 /50 47
C6521
R6521
4.7 /50
2.2K
R6522 R6523
2.2K 33K
Q6521
∗
1
BBE/SURROUND/
IC6521
NJW1137M-W AUDIO CONTROL
Q6522
∗ 1
R6525
2.2K
C6528
R6526 4.7 /50
33K
R6524
2.2K
C6529 C6530 C6532 C6533 C6535 C6536 C6538
.0033 .033 .0047 0.1 1 /50 0.1 4.7 /50
C6534 C6537
4.7 /50 4.7 /50
VCC12V
R6595
0
C6691
OPEN
R6596
0
R6681
56k
SDA
SCL
VCC5V
R6423 R6424
R6422
Q6421
VCC12V
R6421 C6421 R6425
DGND
DGND
CN600B
CN60AN
QGA2001C2-08V
OPEN
OPEN INTERFACE PWB (1/2)
CN00B (SHEET19)
No. YA099
C6557
47 /25
C6544 R6617 C6605
R6552 R6553
1 /50 5.6k 47 /16
4.7k 100K
/25
C6559
47 /16
R6535 C6517 CH
10K 10P
R6551
R6527 R6529 15k
2.2K 33K
Q6532
*1 C6551
R6528 1 /50
R6533 2.2K
10K R6543
2.2K
R6534 R6542 C6545
10K 10K 0.01 IC6551
RC4558D-X
AMP
Q6531 Q6534
∗ ∗
1 2
Q6533
∗
1
R6531
2.2K C6552
1 /50
R6530 R6532
2.2K 33K
R6554
15k
C6518
10P CH
GND
R6555 R6556
4.7k 100K
C6560
OPEN
R6563
220k
R6564
0
R6567 D6501
120k MA111-X
C6561
1 /50
R6568
0
C6562
2.2 /50
D6502
R6569 MA111-X
82k Y6001
0
R6570
OPEN Y6002
0
GND
Y6003
0
Y6004
0
GND
GND2
C6693
D6681
47 /25
MA111-X
AU_+VCC
R6684
100k
R6685 R6670
C6692 Q6673
∗ 56k 15k
10 /50 2
Q6661
R6672
UN2112-X Q6662
R6683 OPEN ∗
1
1k
GND
R6682 R6686
D6661
56k 15k
Q6672 R6680 OPEN R6691
∗ Q6663
1 10k 33k
UN2212-X
D6682
MA111-X
R6673
2.2k
R6674
GND2
D6683 4.7k
MA111-X
GND C6688
OPEN
C6682 D6663
R6675
0.1 /50 MA8033-X C6683
27k
0.1
GND2
OPEN
TH6401
2-49 2-50
C6621
3300p /50
3300p
C6585
10 /50 R6601 R6603
1k 0
R6626
R6515 C6625
C6553 R6557 1.5k
1.5k R6641 0.047
0.1 560 R6604 C6601
100
OPEN 100P Q6641
R6602
OPEN
33K
C6554 CH
0.1
R6516
18k
R6558
220k R6520
10k
R6642
R6608 C6602
100
OPEN 100P
Q6538 R6606 Q6642
∗
1 33K
CH OPEN
C6630
R6630
IC6552 0.047
1.5k
RC4558D-X
R6605 R6607
1k 0
3300p
R6517
10k
R6643
5.6k
R6560 Q6539
220k ∗ 1
R6518
18k Q6643
C6556 R6559
OPEN C6632
0.1 560 GND
3300p /50
C6555 C6586
R6519
0.1 10 /50
1.5k
IC6661
DIGITAL AUDIO OUT
TDA8925ST/N1
R6676 R6677
1k 1k AU_+VCC
R6661 R6662
1k 1k
R6663
39k
D6503
R6664
MA111-X
0
C6690
OPEN C6694 AU_+VCC
OPEN
D6504
R6665 MA111-X
C6663
39k
0.1 C6665
/50 0.1
/50
C6664
22 /50
AU_-VCC
C6666
22 /50
AU_-VCC
R6671
10k AU_+VCC
AU_+VCC
L6661
C6667
33
0.1
QQL28AK-560
/50
D6664
MA111-X
C6668
560p
C6673 C6675 /50
AU_-VCC
0.1
/50
C6689
C6672 C6674 0.1 AU_-VCC
OPEN
470/25 470/25 /50
MA8200-X
/50 C6676
C6695 560p
GND2 OPEN /50
GND2
R6667
R6666
22
5.6
QRK126J-220X
QRK126J-5R6X
AU_+VCC
L6662
33
QQL28AK-560 MA8200-X
R6668 C6677
5.6 560p C6680
QRK126J-5R6X /50 0.015
/50
AU_-VCC
C6681
560p
/50
GND2
R6669
22
QRK126J-220X AU_-VCC AU_+VCC
GND2
No. YA099
R6621 R6622
120 10k
AU_+VCC
R6624
1k
R6623
QRJ146J-102X
3.9k
R6625
1k
C6622 C6623
0.1 22 /50
C6624 /50
/50
COMPALATOR
AU_-VCC
IC6621
R6627 LM393DR-X R6628
220k C6626 0
3300p
/50
C6628
C6627
22 /50
0.1
/50
R6635
QRN143J-0R0X
GND2
R6629 C6629
220k 3300p
/50
IC6621
C6631
LM393DR-X
/50
COMPALATOR
R6631
1k
R6632
3.9k
R6633 R6634
120 10k
C6567 1 /25
CB1
R6577
18k
C6563
0.1
R6578
8.2k
C6568 1 /25
CB1
R6579
18k
C6564
0.1
R6580
8.2k
GND2
C6671
0.015
/50
CN60SL
D6671
QGA2001C2-03V
SEPAKER (L)
D6672
MA8200-X
CN60SR
QGA2001C2-03V
SEPAKER (R)
D6673
D6674
MA8200-X
C6685
CN600Y
K6601 470 C6684
QGA2001C2-04V
QQR0621-002Z /25 0.1 /50
SUB POWER PWB
CN9001 (SHEET30)
K6602
QQR0621-002Z
C6687 C6686
470 0.1 /50
/25
NOTE
0 : NRSA63J-0R0X
∗
1 : 2SC3928A/QR/-X
∗
2 : 2SA1530A/QR/-X