JVC LT-37S60BU Service Manual page 75

ANALOG SIGNAL PWB CIRCUIT DIAGRAM (4/5) SHEET 5
IC6201
PQ20WZ11-X
AU_+VCC VCC12V
GND
Y6202 Y6201
0 0
D6201
1SS355-X C6204
12V 0.1 /25
R6201
R6203
5.6K
18K
C6202
C6201 R6205 C6205
33 /25
0.01 47K 0.01
HL HL
R6202 C6203 R6204
L6201 1.8K 33 /25 5.6K
OPEN GND
C6206
OPEN
C6301
R6301
4.7 /16
GND 0
LIP_R
SHEET3,4
LIP_R
CN00E2
*
OPEN R6311
OPEN
CN00AC
*
DSPTONER
GND
DSPTONEL
OPEN
GND
MAINDSPR
GND
MAINDSPL
R6312
OPEN
R6302
0
LIP_L
SHEET3,4
LIP_L
C6302
4.7 /16
SDA3B5
SHEET2,3,4,6
SCL3B5
BS_A5V
R6409
10K
SHEET3
TEMP
Q6421
NPN R6424
2.2K
R6425
2.2K
R6433
OPEN
SHEET2
M_MU
1SS355-X
D6433
M_MUTE
D6432
SHEET3
1SS355-X
A_MUTE
SHEET2
A_MU
HP_DET
SHEET3
HP_MUTE
SHEET3
HP_VOL
5V
5V
GND
GND
MECA_SW0
SHEET3
MECA_SW0
KEY2
KEY2
KEY1
KEY1
Q6523
PNP
R6541
2.2K
R6303
C6546 LEVEL_SW
10K C6527 C6540 C6542
0.01 R6540
4.7 /25 4.7 /25 4.7 /25
10K
C6522 C6523 C6525 C6526 C6539 C6541
Q6301 .0033 .033 .0047 0.1 /16 0.1 /16 4.7 /25
NPN
GND
C6505
C6521
R6306 4.7 /25 R6521
4.7 /25
100 2.2K HL
HL HL HL
HL HL
R6304 R6305 R6522 R6523
10K 1K 2.2K 33K
Q6521
NPN
LEVEL_SW
IC6521
TONE/VOL/BBE/SURROUND
NJW1164M-W
Q6522
NPN
LEVEL_SW
R6308 R6309 R6525
10K 1K 2.2K
C6528
R6526 4.7 /25
HL 33K
HL
R6524 HL HL HL HL
R6310
C6510 2.2K
100
4.7 /25
Q6302
C6529 C6530 C6532 C6533 C6535 C6536 C6538
NPN
.0033 .033 .0047 0.1 /16 1 /50 0.1 /16 4.7 /25
C6534 C6537
R6307 4.7 /25 4.7 /25
10K
R6423 R6421
3.3K OPEN
C6421 R6422
0.1 OPEN
/16
VCC12V
BS_A9V
C6691
OPEN
D6431
1SS355-X
R6431
56K
HL
C6431
47 /16
Q6431
PNP
GND
R6432
33K
9V
R6006
D6001
1SS355-X QRL039J-330
NCF31AZ-105X
C6001
1 /10
R6007 C6003
0 100 /10
IC6001
NJM2777M-X
HL
HL
R6003 C6005 R6001
R6004
C6009 100 1 /50 22K
6.8k
1 /10
F
R6005 C6010
22K
330p
CH
C6007
470 /16
QETN1AM-108Z
C6011
HL 330p
C6008 C6006 R6002
CH
10 /50 HL 1 /50 22K
HL
R6008 C6004
0 100 /10
C6002
1 /10
C6557
47
C6544 R6617 C6605
R6552 R6553
1 /50 5.6k 47 /16
3.3k 100K
C6543 HL
HL
47 /16
C6559
47 /16
R6535 C6517 CH
10K 10P
HL HL
R6551
R6527 R6529 15K
2.2K 33K
HL
LEVEL_SW Q6532
NPN C6551
R6528 1 /50
R6533 2.2K
10K R6543
2.2K
R6534 HL R6542 C6545
10K 10K 0.01 IC6551
RC4558D-X
Pre.AMP
Q6531 Inv. C6606 Q6534 LEVEL_SW
NPN 47 /16 PNP
LEVEL_SW Q6533
NPN
R6531
2.2K C6552
1 /50
HL
R6530 R6532
2.2K 33K
R6554
15K
C6518
10P CH
GND
R6555 R6556
3.3k 100K
C6693
D6681
470 /16
1SS355-X
QETN1CM-477Z
R6684
100k
R6685
C6692 Q6673
56k
OPEN PNP
R6683
MUTING
OPEN
GND
R6682 R6686 AU_+VCC
OPEN 15k
Q6672
OPEN R6670
15k
R6681 D6682
MUTING
OPEN 1SS355-X Q6661
R6672
UN2112-X
OPEN
D6661
GND
R6680 OPEN
Q6663 10k
UN2212-X
D6683
1SS355-X
R6673
2.2k
R6674
1k
GND2
C6682 D6663
0.1 /50 R6675
UDZS3.3B-X
D6002
1SS355-X
GND2
CN000R QGA1501C5-10W
HP_DET
FRONT CONTROL
HP_R
HP_GND PWB ASS'Y
HP_L
5V CN100R
GND
(SHEET19)
MECA_SW0
KEY2
NOTE
KEY1
NPN: 2SC3928A/GR/-X
PNP: 2SA1530A/QR/-X
(No.YA298)2-15 2-16(No.YA298)
ANALOG SIGNAL PWB ASS'Y (4/5)
SFL-1114A-U2
/16
HL
C6585
10 /16 R6601 R6603
1K 0 NCB31EK-104X
HL
C6553
R6515 C6625
* R6557
0.1
560 * R6604
OPEN Q6641
R6602
C6554 OPEN
33K
CH
* R6641
C6601
R6516 OPEN
100P
*
R6558
* R6520
10k
Q6538
NPN
R6608
LEVEL_SW
OPEN C6602 Q6642
R6606
100P OPEN
33K
CH
R6642
OPEN
C6630
IC6552 0.1
RC4558D-X
HPF
R6605 R6607 NCB31EK-104X
1K 0
R6517
10k
Q6539
NPN
R6643 OPEN
R6560 LEVEL_SW
*
R6518
C6556 R6559 * Q6643 GND
* 560 OPEN
C6555 C6586
R6519
* 10 /16
*
HL
D6502 D6501
1SS355-X 1SS355-X
R6568 R6567 GND
0 120K
R6569 R6564 C6560
82K 0 OPEN
HL HL
R6563
R6570
220K
OPEN C6562 C6561
2.2 /50 1 /50
IC6661 AUDIO OUT
TDA8925ST/N1
!
TH6661
NAD0035-471X
R6676 R6677
1k 1k
R6661 R6662
1k 1k
R6664
0
C6690
OPEN C6694 AU_+VCC
OPEN
R6665
C6663
39K
0.1 C6665
/50 0.1
/50
C6664
22 /50
QETN1HM-226Z
AU_-VCC
C6666
22 /50
AU_-VCC
QETN1HM-226Z
Q6662
NPN
R6671
10k AU_+VCC
AU_+VCC
L6661
R6691 C6667
33k 0.1
QQL28AK-560
/50
D6664
1SS355-X
CH
C6668
560p
C6673 C6675 /50
AU_-VCC 0.1
C6688
/50
0.1 C6689
C6672 C6674 0.1 AU_-VCC
OPEN
C6683 470/25 470/25 /50
CH
5.6k 0.1 /50 QETN1EM-477Z C6676
QETN1EM-477Z
C6695 560p
GND2 OPEN /50
R6666
5.6
QRK126J-5R6X
AU_+VCC
L6662
QQL28AK-560
CH
R6668 C6677
5.6 560p
QRK126J-5R6X /50
AU_-VCC
CH
C6681
560p
/50
DIFFERENCE LIST
26/32DS6 26/32S60 37DS6 37S60
ASS'Y LCA90494 LCA90494 LCA90494 LCA90494
-04*
No. -01* -02* -03*
SFL-1111A SFL-1112A SFL-1113A SFL-1114A
OLLC08306 OLLC08306-02 OL-CX1481-07 OL-CX1481-06
R6515 3.3k 3.3k 1.5k 1.5k
R6516
22k 22k 18k 18k
R6518
22k 22k 18k 18k
R6519 3.3k 3.3k 1.5k 1.5k
R6558 180k 180k 220k 220k
R6560 180k 180k
220k 220k
C6553 0.068/16 0.068/16 0.1/16 0.1/16
C6554 0.068/16 0.068/16 0.1/16 0.1/16
C6555 0.068/16 0.068/16 0.1/16 0.1/16
C6556 0.068/16 0.068/16 0.1/16 0.1/16
QGA8005C3 OPEN QGZ8005C3 OPEN
CN00E2
-01 -01
C6621
R6621 R6622
3300p /50
100 10k
AU_+VCC
R6624
1k
R6623
QRJ146J-102X
3.9k
R6625
1k
C6622 C6623
0.1 22 /25
C6624 /25 HL
2200p /50
AU_-VCC
R6626 IC6621
1.5k R6627 LM393DR-X
100k C6626
2200p
/50
C6628
C6627
22 /25
0.1
HL
/25
GND2
R6629 C6629
100k 2200p
/50
R6630
1.5k
IC6621
C6631
LM393DR-X
2200p /50
R6631
1k
R6632
3.9k
R6633 R6634
C6632
150 10k
3300p /50
Y6001
0
Y6002
0
Y6003
0
Y6004
0
GND2
AU_+VCC
C6567
* 1 /25
CB1
R6663
39K
R6577
D6503
18k
1SS355-X C6563
0.1
R6578
/25 C6568
3.9k
* 1 /25
CB1
R6579
D6504
18k
1SS355-X C6564
0.1
R6580
/25
3.9k
GND2
56
D6672
C6671
UDZS20B-X
0.015
/50
D6671
UDZS20B-X
K6661 CN00SL
QGA2001C6-03X
NQR0499-002X
GND2
L_GND
R6667
K6662 SPEAKER(L)
22
NQR0499-002X
QRK126J-220X
L
CN00SR
56
QGA2001C6-04X
R
SPEAKER(R)
K6663
D6673 NQR0499-002X R_GND
UDZS20B-X
C6680
0.015
/50
D6674
K6664
UDZS20B-X
NQR0499-002X
GND2
R6669
22
QRK126J-220X AU_-VCCAU_+VCC
QETN1EM-477Z
C6685 NCB31HK-104X CN000F
K6601 470 C6684 QGA2001C2-04V
NQR0499-002X /25 0.1 /50
POWER PWB
AU_+VCC
GND
ASS'Y(2/2)
GND
K6602
AU_-VCC
NQR0499-002X (SHEET22)
C6687 C6686
470 OPEN
/25
QETN1EM-477Z
GND2
c10369001a004_0525_4/5_0.1