Sony STR-DE925 / STR-V919 (serv.man2) Service Manual ▷ View online
STR-DE925/V919
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— 28 —
3-11. SCHEMATIC DIAGRAM — INPUT SECTION —
• See page 61 for IC Block Diagrams.
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(Page36)
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STR-DE925/V919
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3-12. PRINTED WIRING BOARD — DISPLAY SECTION —
• See page 7 for Circuit Boards Location.
1-670-009-
11
(11)
1-670-007-
11
(11)
1-670-014-
11
(11)
1-670-008-
11
(11)
1-670-010-
11
(11)
DISPLAY BOARD
SW BOARD
SP SW BOARD
LED BOARD
L.B
BOARD
BOARD
1
2
(MULTI CHANNEL DECODING)
1
4
1
4
SHIFT
MUTING
TAPE
MD/DAT
CD
TUNER
PHONO
INPUT
MODE
MODE
CURSOR MODE
SET UP
MEMORY
DISPLAY
(INDEX)
(EQUALIZER)
(SURROUND)
(SOUND FIELD)
(EQ)
(BASS BOOST)
FM/AM
FM MODE
SLEEP
TUNING
PRESET
TUNING
TUNING
SPEAKERS
GENRE
MODE
TV/DBS
DVD/LD
VIDEO 3
VIDEO 2
VIDEO 1
DIRECT
TUNING
0
9
8
7
6
2
3
4
5
1
SOUND FIELD
SOUND
FIELD
ON/OFF
EQ
ON/OFF
BASS
BOOST
1
4
1
4
1
5
B
A
A+B
OFF
Z
B
C
A
4
4
1
1
1
4
9
4
1
4
1
4
1
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
7
64
1
44
34
33
23
22
12
11
MULTI
CURSOR
CONTROL
1
5
1
1
100
81
80
51
50
31
30
E
E
E
E
E
E
E
E
E
1
3
CNS107
1
2
2
1
3
1
2
3
4
CH MODEL
CH MODEL
EXCEPT MY,SP,CH
MODEL
MODEL
EXCEPT CH
MODEL
MODEL
MY,SP,CH
MODEL
MODEL
E,EA,MY,SP,CH
MODEL
MODEL
16
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1
2
A
B
C
D
E
F
G
H
I
J
K
3
4
5
6
7
8
9
10
11
12
13
14
15
Ref. No.
Location
D100
H-2
D101
E-2
D102
B-13
D103
B-9
D104
C-12
D105
C-12
D106
C-12
D108
C-3
D109
J-6
D110
J-7
D111
J-7
D112
J-8
D113
J-9
D114
I-6
D115
I-7
D116
I-7
D117
I-8
D118
I-9
D119
D-3
D120
I-13
D121
I-14
D122
C-3
D180
B-3
D181
D-13
D182
E-11
D183
E-11
D184
C-11
D185
C-12
D186
C-11
IC101
C-4
IC102
D-6
IC103
C-1
IC104
D-8
IC105
C-7
IC180
E-12
IC181
E-13
Q101
C-4
Q102
B-4
Q103
B-11
Q104
B-11
Q105
C-4
Q106
B-11
Q107
B-6
Q108
B-4
Q109
B-11
Q110
B-11
Q111
B-12
Q112
B-12
Q113
B-12
Q114
B-12
Q115
B-12
Q116
B-12
Q117
B-13
Q118
B-13
Q119
B-4
Q120
B-4
Q122
B-3
Q180
B-3
Q181
C-14
Q182
C-14
Q183
C-13
Q184
C-13
• Semiconductor
Location
STR-DE925/V919
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3-13. SCHEMATIC DIAGRAM — DISPLAY SECTION —
• See page 8 for Waveform. • See page 51 for IC Pin Function Description. • See page 61 for IC Block Diagrams.
STR-DE925/V919
— 33 —
— 34 —
3-14. PRINTED WIRING BOARD — SPEAKER SECTION — •
See page 7 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
H
I
J
3
4
5
6
7
8
9
10
11
12
13
H
Q
U
V
X
N
M
1-670-002-
11
(11)
1-670-035-
11
(11)
SP BOARD
REAR AMP BOARD
WOOFER
REAR
CENTER
IMPEDANCE SELECTOR
1
4
1
1
5
6
E
E
E
E
E
E
E
E
E
E
1
3
4-8
TM701
WIRELESS REAR
SPEAKER
1
3
E
E
B C
E
B C
E
B C
E
B
B
C
C
E
E
E
E
B
C
E
1
6
16
Q609
(Page26)
(Page13)
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(Page14)
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(Page13)
Ref. No.
Location
• Semiconductor
Location
D543
I-5
D605
H-8
D606
H-9
D607
I-9
D649
G-5
D701
C-12
D702
C-12
D703
C-11
D704
B-11
D705
I-4
D706
I-4
D749
G-2
D751
C-5
D752
C-5
D753
C-3
D754
B-4
IC702
G-11
Q544
I-6
Q609
G-9
Q610
H-9
Q611
H-9
Q645
G-8
Q704
C-12
Q705
B-11
Q706
B-13
Q707
B-10
Q708
C-14
Q709
I-3
Q710
I-3
Q745
I-7
Q747
G-9
Q748
G-10
Q754
C-4
Q755
B-4
Q756
B-5
Q757
B-3
Q758
B-2
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