Read Sony HT-DDW870 / STR-K870P Service Manual online
22
22
STR-K870P
STR-K870P
3-9. PRINTED WIRING BOARD – MAIN BOARD –
•
See page 12 for Circuit Boards Location.
:Uses unleaded solder.
IC691
IC601
IC701
IC802
IC801
IC401
IC402
IC501
L
R
IN
SA-CD/CD
R
L
VIDEO 2
VIDEO 1
AUDIO IN
SUB
WOOFER
AUDIO OUT
AUDIO IN
R
L
AUDIO OUT
R
L
L
R
OUT
L
R
IN
MD/TAPE
DVD
L
R
B
VIDEO3 BOARD
CN201
(Page 31)
I
DIGITAL BOARD
CNS501
(Page 17)
J
DIGITAL BOARD
CNS502
(Page 17)
WP02
WP03
F
SPEAKER C/SB BOARD
CNP503
(Page 29)
M
DIGITAL BOARD
CNP503
(Page 17)
L
DIGITAL BOARD
CNP504
(Page 17)
Pin No.6 to Pin No.11
Pin No.1 to Pin No.5
R
POWER TRANSFORMER
(Page 26)
H
HEADPHONE BOARD
CN791
(Page 29)
E
SPEAKER C/SB BOARD
CNP502
(Page 29)
P
STANDBY BOARD
CNP801
(Page 26)
K
DIGITAL BOARD
CNP505
(Page 17)
Q
POWER TRANSFORMER
(Page 26)
SURROUND
L
FRONT A
L
SURROUND
R
FRONT A
R
AEP, UK, SP,
AUS
AUS
AEP, UK, SP,
AUS
AUS
AEP, UK, SP,
AUS
AUS
AEP, UK, SP, AUS
AEP, UK, SP, AUS
AEP, UK, SP, AUS
AEP, UK, SP, AUS
AEP, UK, SP, AUS
CND
C
VIDEO BOARD
CNP203
(Page 31)
G
SPEAKER B(P)
BOARD
CN610
(Page 29)
• Semiconductor Location
Ref. No.
Location
D505
E-4
D540
E-3
D560
B-6
D580
E-1
D585
D-2
D605
E-9
D610
C-6
D640
E-7
D665
E-7
D680
D-8
D690
C-7
D691
C-6
D705
E-5
D710
C-7
D721
D-8
D722
D-8
Ref. No.
Location
D732
D-8
D740
D-4
D750
D-7
D765
E-8
D791
D-10
D801
D-9
D802
C-9
D804
D-9
D805
C-10
D806
C-10
D807
C-10
D808
C-10
D818
B-9
D896
C-5
IC401
C-3
Ref. No.
Location
IC402
D-3
IC501
D-3
IC601
D-5
IC691
C-6
IC701
D-4
IC801
C-5
IC802
C-5
Q501
E-3
Q502
E-4
Q503
E-4
Q504
E-4
Q505
E-4
Q506
E-4
Q533
E-2
Q534
E-3
Ref. No.
Location
Q535
E-2
Q536
E-3
Q540
E-3
Q560
C-6
Q571
E-2
Q572
E-3
Q580
E-1
Q601
E-9
Q602
E-9
Q603
E-8
Q604
E-9
Q605
E-9
Q606
E-9
Q610
C-7
Q640
E-6
Q651
E-6
Ref. No.
Location
Q652
E-6
Q653
E-6
Q654
E-6
Q655
E-6
Q656
E-7
Q680
D-8
Q691
D-7
Q701
E-4
Q702
E-5
Q703
E-5
Q704
E-5
Q705
E-5
Q706
E-5
Q710
C-7
Q722
D-8
Q723
D-8
Ref. No.
Location
Q725
D-8
Q740
E-5
Q750
D-7
Q751
E-7
Q752
E-7
Q753
E-7
Q754
E-8
Q755
E-8
Q756
E-8
Q790
D-9
Q793
D-8
Q795
D-8
Q801
D-9
Q809
C-10
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