Read Sony ICF-903L Service Manual online
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
3
D401
D402
C403
C404
C401
R401
R402
JC402
TP404
WHT/BLK
BLK
WHT/BLK
BLK
BLK
BLK
BLK
TP406 TP405
TP402
TP403
MAIN BOARD
CN1
POWER BOARD
T401
POWER
TRANSFOMER
C406
TP401
L401
S401
CN401
1-677-386-
(11)
11
1
6
1
4
5
6
6
ACJ1
~ AC IN
EPJ1
v
S401
OPERATION
ON
STANDBY
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
4PCS, 6V
C402
SP1
SPEAKER
BLK
BRN
R302
JC303
JC302
JC301
R301
R307
C303
C304
R306
R305
C302
R304
C301
R303
TP301
TP310(+B)
TP302
KEY BOARD
1-677-388-
D301
TUNE
D303
FM3
SW304
MANUAL
D304
FM2
D302
FM1
SW303
FM3
SW302
FM2
SW301
FM1
PRESET
1
2
MAIN BOARD
CN201
MAIN
BOARD
04
TP308
(LED2)
TP307
(LED3)
TP309
(LED1)
TP306
(MANU)
TP311
WHT/
BLK
BLK
(TUNE LED)
TP305
(PRE3)
TP304
(PRE2)
TP303
(PRE1)
(11)
11
– 11 –
– 12 –
ICF-903L
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
• b
: Pattern from the side which enables seeing.
4-2. PRINTED WIRING BOARDS (1/2)
D301
C-3
D302
C-7
D303
C-4
D304
C-6
D401
D-12
D402
D-12
• Semiconductor
Location
Ref. No.
Location
(Page 13)
(Page 14)
(Page 13)
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