Read Sony ST-SB920 Service Manual online
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
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
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