Sony STR-DG910 Service Manual ▷ View online
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
US,CND
MODEL
TM2880
SPEAKERS
IMPEDANCE USE 8-16Ω
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
US,CND
MODEL
EXCEPT
US,CND
MODEL
US,CND
MODEL
EXCEPT
US,CND
MODEL
US,CND
MODEL
EXCEPT
US,CND
MODEL
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 8-16Ω
B
3
A
4
2
1
6
5
C
(Page 27)
(Page 29)
(Page
29)
(Page 29)
STR-DG910
50
50
STR-DG910
5-34. PRINTED WIRING BOARDS — DCAC, POWER KEY SECTION —
• Refer to page 16 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
DISPLAY
BOARD
CN109
SPEAKERS
(OFF/A/B/A+B)
l /
– TUNING +
– TONE +
TUNING MODE
TONE MODE
DISPLAY
BOARD
CN105
B1
A1
1-872-680-
(11)
11
1-872-432-
(13)
13
1
7
C2500
C2501
C2502
C2503
C2504
Q2500
C2505
C2506
CL701
CL702
C2513
C2514
C2515
C2516
C2517
C2518
C2519
C2520
C2521
C2522
C2523
C2524
D2500
C2525
C2526
C2528
R2501
C2529
R2503
R2504
R2506
R2507
C2530
R2508
IC2501
IC2502
R2513
R2514
R2518
R2519
CN711
W2500
BLK
FB2500
JL742
JL743
JL744
JL745
JL746
JL747
JW2500
JW2501
JW2502
JW2503
JW2504
JW2505
71
31
2
31
2
JW180
TP100
RV103
RV104
R111
R112
R113
CN102
S100
S113
S114
S115
(CHASSIS)
B
1
3
1
2
7
14
8
E
J2500
AUTO CAL MIC
DCAC BOARD
POWER KEY BOARD
GRY
GRY
GRY
GRY
GRY
RED
(Page 51)
(Page 51)
5-35. SCHEMATIC DIAGRAM — DCAC, POWER KEY SECTION —
• Refer to page 63 for IC Block Diagrams.
DISPLAY
BOARD
CN109
A1
DISPLAY
BOARD
CN105
B1
IC B/D
2.5
0.3
0.9
0
0
0
0
0.3
0.3
3.3
3.2
3.2
0
0
3.3
5
3.3
2.2k
R2504
2.2k
R2506
100p
C2504
FB2500
2.2k
R2501
JL743
10k
R2513
1SS355TE-17
D2500
JL745
2200p
C2530
JL742
2200p
C2506
220k
R2503
1k
R2519
1k
R2508
68k
R2507
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NJM2173AV(TE2)
IC2501
OUT1
DCC1
IN1
V+1
REG
N
GND
V+
STBY
GV
V+2
IN2
DCC2
OUT2
0.1
C2500
2SC2712-GL-TE85L
Q2500
BUFFER
10k
R2518
2200p
C2522
10k
R2514
JL746
JL744
0.1
C2501
0.1
C2525
0.1
C2513
16V
47
C2523
50V
10
C2515
50V
10
C2526
50V
10
C2521
50V
10
C2520
50V
10
C2505
50V
10
C2503
50V
10
C2502
J2500
VCC
GND
OUT
BA33BC0FP-E2
IC2502
0.1
C2528
1
3
4
5
6
7
CN711
6P
MIC_IN_L
GND
MIC_IN_R
MIC_ON/OFF
SUPPLY +5V
GND
JW2500
25V
47
C2514
25V
47
C2529
50V
1
1
C2519
25V
47
C2524
50V
10
C2516
16V
47
C2518
2200p
C2517
R112
1k
RV104
S113
1
2
3
4
5
6
7
7P
CN102
AD1
PW_SW
GND
TUNING-JOG-A
TUNING-JOG-B
TONE-JOG-A
TONE-JOG-B
680
R111
S114
R113
1.5k
RV103
S100
S115
1
W2500
DCAC BOARD
+3.3V REG
IC2502
MIC AMP
IC2501
POWER KEY BOARD
LEAD TO CHASSIS
AUTO CAL MIC
TONE MODE
TUNING MODE
SPEAKERS(OFF/A/B/A+B)
- TONE +
- TUNING +
/
1
2
3
2
E
B
1
F
6
7
A
3
G
D
4
5
C
2
3
1
2
3
1
(Page 52)
(Page 52)
STR-DG910
51
51
STR-DG910
5-36. PRINTED WIRING BOARD — DISPLAY SECTION — • Refer to page 16 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
12
13
14
132
3
1
2
3
1
2
CATEGORY
–
+
2CH
A.F.D.
MOVIE
DIMMER
MUSIC
MEMORY/
ENTER
CATEGORY
MODE
DISPLAY
AUTO CAL
DIRECT
INPUT
SELECTOR
INPUT
MODE
MODE
MULTI
CHANNEL
DECODING
MASTER
VOLUME
VOLUME
CN108
CN109
4
1
BLU
GRY
GRY
(13)
13
1-872-431-
MAIN
BOARD
CNP825
K
7
1
RED
GRY
GRY
GRY
GRY
GRY
DCAC
BOARD
CN711
A1
B1
POWER KEY
BOARD
CN102
DIGITAL
BOARD
CNS505
U
DISPLAY BOARD
14
1
7
8
50
2
5
53
1
7
E
B
7
1
4
1
2
1
26
27
23
33
22
34
12
44
1
11
TP101
TP102
TP103
RV101
RV102
Q110
FL101
VACUUM FLUORESCENT DISPLAY
CNS102
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R115
R116
R117
R118
R119
R120
CN105
R122
CN108
CN109
R131
C110
C111
C112
C114
IC103
C115
CL001
CL002
CL003
CL004
CL005
CL007
CL008
JW1101
CL009
CL200
CL201
CL010
CL011
S101
S102
S103
S104
S105
S106
S107
S108
S109
S110
S111
CL022
S112
CL023
CL024
CL028
CL029
C144
CL030
C145
CL031
CL032
C147
C148
C149
CL042
JW102
JW103
JW105
CL046
R197
CL047
R198
C160
C162
JW110
C164
JW111
C165
CL051
D105
JW112
JW115
JW116
JW117
JW118
CL058
JW119
CL059
C171
CL060
JW121
CL061
CL062
JW123
CL063
JW124
CL064
JW125
CL065
CL066
JW127
JW128
JW129
IC100
IC101
JW131
JW132
JW133
JW134
JW135
JW136
JW138
JW139
JW140
JW143
JW146
JW148
JW149
JW150
JW152
JW153
JW154
JW155
JW158
JW159
(US,CND)
SUR BACK
DECODING
(EXCEPT US,CND)
(EXCEPT US,CND)
SLEEP
(US,CND)
(EXCEPT US,CND)
(US,CND)
(US,CND)
JW160
JW161
JW162
JW164
JW165
JW166
JW109
JW114
JW120
JW141
JW142
JW147
JW157
JW163
JW167
JW168
JW106
JW107
JW108
JW113
JW126
JW137
JW145
JW169
JW170
JW171
(Page 31)
(Page 50)
(Page 50)
(Page 25)
D105
E-5
IC100
C-4
IC101
C-6
IC103
C-8
Q110
D-8
• Semiconductor
Location
Ref. No.
Location
STR-DG910
52
52
STR-DG910
5-37. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 63 for IC Block Diagrams.
(Page 50)
(Page 50)
(Page 36)
(Page 27)
POWER KEY
BOARD
CN102
MAIN
BOARD
(2/4)
CNP825
K
DIGITAL
BOARD
(5/5)
CNS505
U
B1
DCAC
BOARD
CN711
A1
IC B/D
-18.2
-18.3
-20
-22
-19.9
-16.2
-14.3
-19.8
-19.8
-19.8
-12.4
0
2.9
0
5
5
-18.2
-18.2
-18.2
-18.2
-18.2
-18.2
-18.2
-18.2
-18.2
5
5
5
5
5
3
5
5
3
5
0
5
0
0
2.8
3.3
3.2
(US,CND)
(EXCEPT US,CND)
(US,CND)
(EXCEPT US,CND)
R122
75
50V
10
C115
1k
R105
220p
C110
S110
0.1
C145
220p
C149
S106
S105
220p
C112
S112
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
PT6315
IC100
FL DISPLAY DRIVER
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID11
GRID10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
1.5k
R106
S102
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74ACT08P
IC101
S104
330
R109
R131
2.2k
S109
S111
2.2k
R107
50V
C165
10
100
R115
S108
220
R101
S103
0.1
C160
470
R103
S101
0.1
C162
RV102
82k
R118
220p
C147
220p
C164
220
R108
100
R116
470
R110
220p
C111
R120
10
680
R104
S107
2SC1740S-QRT
Q110
LED DRIVER
0.1
C144
100
R119
100
R117
330
R102
2
7
8
9
10
11
12
5
6
14
19
18
17
13
16
20
15
23
24
27
21
28
26
25
22
31
33
35
30
32
36
34
29
42
44
43
40
37
39
38
41
46
48
47
45
49
50
53
FL101
VACUUM FLUORESCENT DISPLAY
1
3
4
CN108
3P
F1
F2
-20V
50V
C148
10
CL004
CL022
CL023
CL024
CL030
CL063
CL064
JW102
JW103
CL028
CL029
0.1
C114
JW107
JW108
JW106
JW105
SELK5E20C-DTP15
D105
RV101
3.3
R197
3.3
R198
VCC
OUT
GND
NJL24H400A
IC103
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CNS102
TONE_JOG_B
TONE_JOG_A
GND
DCAC SUPPLY
DCAC_ON/OFF
DCAC_MIC_R
DCAC_GND
DCAC_MIC_L
TUNING_JOG_A
TUNING_JOG_B
NC
GND
GND
+3.3V (STBY)
+5V
VOL_JOG_2A
VOL_JOG_2B
PW_ON/OFF
SIRCS_IN
AD2
AD1
FL_LAT
FL_DIN
FL_CLK
INPUT_JOG_4A
INPUT_JOG_4B
NC
1
2
3
4
5
6
7
7P
CN105
AD1
PW_SW
GND
TUNING-JOG-A
TUNING-JOG-B
TONE-JOG-A
TONE-JOG-B
CL009
CL008
CL005
1
3
4
5
6
7
CN109
6P
MIC_IN_L
GND
MIC_IN_R
MIC_ON/OFF
SUPPLY +5V
GND
CL007
CL066
CL065
CL032
CL031
CL062
CL061
CL058
CL059
CL060
220p
C171
CL046
CL047
CL047
CL011
6G
5P
10P
17P
1G
6P
7P
9P
1P
16P
5P
4P
6P
8G
12P
3G
2G
2P
13P
7P
3P
14P
10G
9G
13P
11P
8P
8P
14P
3P
15P
12P
9P
16P
10P
15P
17P
5G
1P
11G
4G
7G
11P
7G
2P
4P
1G
3G
4G
5G
6G
10G
9G
8G
2G
11G
IC101
BUFFER
IC100
IC103
REMOTE CONTROL
DISPLAY BOARD
VDD
VSS
-10.6
-14.3
-12.5
-6.9
-10.6
-18
-19.8
-16.2
-8.8
5
1
2
3
SIGNAL RECEIVER
MULTI
CHANNEL
DECODING
2CH
A.F.D.
MOVIE
MUSIC
DISPLAY
INPUT MODE
AUTO CAL
DIRECT
MEMORY/ENTER
CATEGORY
-
CATEGORY
MODE
MASTER VOLUME
INPUT SELECTOR
8
6
3
4
F
9
B
H
A
5
7
2
1
G
C
D
E
1
2
3
1
2
3
+
10
DIMMER
SLEEP
SUR BACK
DECODING
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