Sony STR-DG910, Service Manual

Page: 49 / 106

STR-DG910
49 49
STR-DG910
5-32. PRINTED WIRING BOARD — FRONT SPEAKER SECTION —
• Refer to page 16 for Circuit Boards Location. : Uses unleaded solder.
5-33. SCHEMATIC DIAGRAM — FRONT SPEAKER SECTION —
1
A
B
C
D
E
F
G
H
I
2 3 4 5 6 7
MAIN BOARD
CN802
D
MAIN
BOARD
CN650
G
MAIN
BOARD
CN804
F
MAIN
BOARD
CN600
E
1-872-677-
(11)
11
1 5
1 5
B E
BE
Q2890
R2871
RY2881
R2872
R2873
D2881
R2881
RY2891
R2882
R2883
D2891
JW2001
JW2002
JW2003 JW2004
JW2005
JW2006
JW2007
JW2008
JW2009
JW2010
RR101
RR102
RR111
RR112
CC101 CC102
CC111
CC112
EXCEPT US,CND MODEL EXCEPT
US,CND
MODEL
TM2880
SPEAKERS
IMPEDANCE USE 8-16
Ω
CNP285
CNP286
CNP286
CNP285
C2850
C2851
C2860
C2861
Q2880
FRONT A
FRONT B
L
R
L
R
BLK BLK GRY BRN
5 1
GRY GRY ORG GRY
5 1
SPEAKER BOARD
(Page 25)
(Page 25) (Page 25) (Page 25)
D
MAIN
BOARD
(2/4)
CN802
F
MAIN
BOARD
(4/4)
CN804
MAIN
BOARD
(4/4)
CN650
G
MAIN
BOARD
(4/4)
CN600
E
12.2
0.1
0.8
0.1
EXCEPT
US,CND
MODEL EXCEPT
US,CND
MODEL
EXCEPT
US,CND
MODEL EXCEPT
US,CND
MODEL
RY2881
RED
BLK
BLK
RED
TM2880
8P
123
4
5
6
7
8
91
0
RY2891
MA111-TX
D2881
2SC3052EF-T1-LEF
Q2880
RELAY DRIVER
2.2k
R2873
MA111-TX
D2891
2SC3052EF-T1-LEF
Q2890
RELAY DRIVER
2.2k
R2883
100p
C2851
100p
C2850
10
RR101
4700p CC101
10
RR102
4700p CC102
100p
C2860
100p
C2861
10
RR111
4700p
CC111
10
RR112
4700p
CC112
1
3
4
5
CNP285
4P
R-CH
GND
GND
L-CH
1
2
3
4
5
5P
CNP286
+15V
NC
RY GND
FA RY
FB RY
22
R2871
33
R2872
33
R2882
22
R2881
SPEAKER BOARD
FRONT B
L R
L R
-
+
-
+
FRONT A
SPEAKERS
TM2880
8P
IMPEDANCE USE 8-16 Ω
B
3
A
4 2 1 6 5
C
(Page 27)
(Page 29)
(Page
29)
(Page 29)