DOWNLOAD Sony ST-SB920 Service Manual ↓ Size: 2.14 MB | Pages: 23 in PDF or view online for FREE

Model
ST-SB920
Pages
23
Size
2.14 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
st-sb920.pdf
Date
PREV: Sony CDP-CX88ES Service Manual

Sony ST-SB920 Service Manual ▷ View online

ST-SB920
— 9 —
— 10 —
4-2.  SCHEMATIC DIAGRAM  – DISPLAY SECTION –
• See page 8 for Waveforms.     • See page 19 for IC Pin Function.
ST-SB920
— 11 —
— 12 —
4-3.  PRINTED WIRING BOARD  – DISPLAY SECTION –
• See page 8 for Circuit Boards Location.
DISPLAY BOARD
TRANS BOARD
POWER SW BOARD
ENCODER
BOARD
B
TUNER BOARD
CNP701
A
TUNER BOARD
CNP702
C
TUNER BOARD
CNP952
1-668-809-
11
(11)
1-668-810-
11
(11)
1-669-149-
1-668-809-
11
(11)
11
(11)
AC
IN
SHIFT
DISPLAY
PTY
TA
MEMORY
BAND
ON/OFF
ANTENNA
FM MODE
CHARACTER
MENU
ENTER
RETURN
DIRECT
TUNING/SELECT
TUNING
MODE
NEWS
/INFO
AUTO-BETICAL
SELECT
0
9
8
7
6
2
3
4
5
1
16
S901
1
2
CN951
1
2
1
2
ECP900
1
5
1
2
3
1
1
8
9
1
1
100
3
30
31
50
51
80
81
FL701  FLUORESCENT INDICATOR TUBE
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
13
14
• Semiconductor
Location
Ref. No. Location
D701
C-13
D702
B-13
D703
B-13
D705
C-13
D707
D-13
IC701
B-9
IC702
B-11
Q701
C-13
ST-SB920
—13 —
— 14 —
4-4.  PRINTED WIRING BOARD  – TUNER SECTION –
• See page 8 for Circuit Boards Location.
B
DISPLAY BOARD
CN701
C
TRANS
BOARD
CN952
A
DISPLAY BOARD
CN702
1-668-808-
11
(11)
TUNER BOARD
LINE OUT
CNP702
CNP701
CNP952
8
1
1
1
5
8
9
16
1
8
E
1
2
3
E
E
E
E
NULL
NULL
STEREO
LEVEL
FM METER
LEVEL
AM METER
LEVEL
NARROW
GAIN
STEREO
SEPARATION
EON CONTROL
OUT
1
8
9
16
E
E
E
E
E
E
E
E
E
E
E
E
1
8
9
16
16
17
20
10
16
1
9
E
11 10
1
20
E
E
E
E
FE101
FM FRONT END
E
E
E
E
E
1
7
1
1
1
22
11
12
4
5
8
2
3
R
L
CNJ301
ANTENNA
FM 750
COAXIAL
A
B
TM401
FE401
AM FRONT 
END
IFT
252
IFT252
THD
IFT253
IFT
253
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
13
• Semiconductor
Location
Ref. No. Location
D221
H-3
D251
H-9
D301
C-11
D371
B-12
D401
C-4
D402
E-4
D901
C-8
D902
C-8
D903
C-7
D904
C-7
D905
D-7
D906
H-12
D907
D-7
D908
C-8
IC221
H-2
IC251
H-7
IC301
D-11
IC302
C-10
IC401
D-5
IC801
G-11
IC901
D-8
Q200
G-3
Q201
H-4
Q202
H-4
Q204
H-4
Q205
H-5
Q231
G-5
Q232
G-5
Q233
G-4
Q234
H-6
Q235
G-6
Q236
G-6
Q237
G-6
Q251
H-9
Q301
B-10
Q302
B-9
Q303
B-8
Q304
B-8
Q401
E-6
Q402
C-5
Q403
C-5
Q404
D-5
Q405
C-5
Q521
E-8
Q522
E-8
Q523
E-8
Q801
E-11
Q901
D-7
ST-SB920
— 15 —
— 16 —
4-5.  SCHEMATIC DIAGRAM  – TUNER SECTION (1/2) –
• See page 20 for IC Block Diagrams.
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