Printed Wiring Board - Main Board - Sony STR-K785 Service Manual

Q Q
4-8. PRINTED WIRING BOARD – MAIN BOARD –
3 7 6 3 1 5 1 5 0
1 2 3
A
B
C402
C
JW350
JW803
JW451
JW804
JW806
JW807
JW409
D JW809
G
DIGITAL
JW505
BOARD
R406
CNS501
C404
(Page 17)
C403
R407
E
C701
15
T E
L 1 3 9 4 2 2 9 6 5 1 3
D729
10
R740
F
D841
F
R729
R844
DIGITAL JW840
BOARD
R719
C842
CNS502 R721
Q701
E
(Page 17) Q707
E
JW496
C714
R715
C708
G
R708
H
w w w
STR-K785
• See page 13 for Circuit Boards Location.
4 5 6
ADCC BOARD
CNP2000
(Page 25)
J400
AUDIO IN
H
SA-CD/CD DVD VIDEO 2
R L R L R L
R454
TP1
C421
C824
CNP732
4 1
C422
IC400
C424
C431
JW437
C423
C435
C425
C446
C426
E C482
IC501
15
14
JW309
JW753
JW320
C707
JW701
IC701
1
C700
JW490
14 2
JW700 JW751 D529
JW860
JW752
C706
E
E
R714
D701
R713 JWH18
Q705
R710
C508
E
R707
C712
R705
C711
R706
C C
B Q703 E B Q704 E
Q702
E
x a o
y
. i
http://www.xiaoyu163.com
:Uses unleaded solder.
7 8 9
VIDEO
BOARD
CNP156
(Page 30)
J402 J403
N
VIDEO 1
SUB WOOFER
AUDIO IN
AUDIO
OUT
R L
RY702
RY701
R782 RY601
JW506
JW560
C400
E
IC821 1
R802
R723
1 3
3
D703
R724
Q708
3 1
E
IC822 D603
R725
R624
R673
E
JW527
JW528
TP300
R855
5 8
IC601
1
1 15
14
2 IC850
2
R500
C600
4 1
R851
C816
JW735
Q Q
3 7 6
JW621
JW603
JW604
R522 JWB03
R621
E
D501
E E E
Q506 E
E
R610
R510
C608
JW507
JW504
C511 R507 C611
R607
R505
C512 R605 C612
R506 JWB01
R606
C C C
C
E
B Q503 E Q504 E B Q603 B Q604 E
B
Q502 E
Q602
E
• Semiconductor Location
Ref. No. Location
D501 F-7
D502 F-6
D503 D-10
D529 F-5
D549 F-8
D551 G-12
D552 F-10
D601 G-10
u 1 6 3
D602 G-10
D603 C-9
D651 G-13
D652 F-12
D701 G-3
D702 G-2
D703 C-9
21 21
http://www.xiaoyu163.com
2 4
8 9 9
10 11 12 13
SPEAKER
IMPEDANCE USE 6-16 Ω
TM602
SURROUND
R L
- + - +
cc 15
cc
14
RR14
RR15
JWH03
JW458
JWH04
RY501
JW606
C813
C814
JW784
D503
JW783
Q508
TP2
E
JW570
R523 R551
JW813
JW821
R882
1
Q881
Q851
E
E
E
R856
Q883
4
R858
5
E D881
R883
3 1 5 1 5 0 8 9
R531
JW704
R859
R532
9
R566
C665
E
E
R668
C664
Q557
R571
R669
R666
C666
JW605
R671
E
C658
Q551 E
E
R560
JW568
C558
E
E
Q651
JW569 JW816 JW620
Q605 JWB02
JW601
R557 R655
C561 R658
R555 C662
C562
R656
R556
C C C C
B Q553 B Q554 B Q653 E B Q654
Q652
Q552
E
Ref. No. Location Ref. No. Location Ref. No.
D729 F-3 D883 F-12 Q505
D752 C-8 Q506
D791 E-13 IC400 D-3 Q507
D802 E-14 Q508
IC501 E-6
D804 D-14 Q509
IC601 E-8
D805 D-14 IC701 E-4 Q551
m
D806 D-14 Q552
IC821 C-7
D807 D-14 IC822 C-7 Q553
c o
D811 D-13 IC850 E-9 Q554
D821 C-6 Q555
D841 F-3 Q471 E-3 Q556
.
D851 E-9 Q557
Q501 F-6
D852 E-10 Q560
Q502 H-7
D881 F-12 Q503 G-7 Q601
D882 E-11 Q602
Q504 G-8
STR-K785
2
8 9 9
14 15 16
TM600
CENTER FRONT
R L
- - -
+ + +
cc
13
JW462
RR13
JW461
cc 11
C803
I
D805
D807
POWER TRANSFORMER
D806
(T901)
D804
CNP901
(Page 26)
C802
C801
E
3 CN504 1
1
DIGITAL
BOARD
CNP505
C808
5
(Page 17)
E
J
D801
JW463
E
D791
STANDBY BOARD
CNP906
1
RY502
(Page 26)
2 4 9 8 2 9 9
K
5
POWER TRANSFORMER
(T901)
4 CN701 1
(Page 26)
E
E
L
HEADPHONE BOARD
R660
CNP701
(Page 25)
A
E
DIGITAL
BOARD
1-869-105-
CNP503
(Page 17)
DIGITAL
B
BOARD
CNP504
(Page 17)
Location Ref. No. Location Ref. No. Location
G-8 Q603 G-9 Q703 G-3
G-7 Q604 G-9 Q704 G-4
F-7 Q605 G-10 Q705 G-4
D-10 Q606 G-9 Q706 G-4
E-13 Q607 G-9 Q707 G-2
G-11 Q608 D-10 Q708 C-9
H-11 Q651 G-13 Q801 E-14
G-10 Q652 H-13 Q851 E-11
G-11 Q653 G-12 Q852 E-9
G-12 Q654 G-14 Q881 E-12
G-11 Q655 G-14 Q882 E-12
F-10 Q656 G-13 Q883 E-12
C-8 Q657 F-11
G-8 Q701 F-3
H-9 Q702 H-4