Sony ICF-B200 Service Manual ▷ View online
– 11 –
– 12 –
5-2. SCHEMATIC DIAGRAM • Refer to page 8 for IC Block Diagrams.
ICF-B200
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise specified.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power supply
from battery terminal.
• Voltage is dc with respect to ground under no-signal (detuned)
condition.
no mark : FM
(
no mark : FM
(
) : AM
<
> : BUZZER ON
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Signal path.
F
: FM
f
: AM
TOTAL CURRENT
FM : 6.0mA
AM : 4.5mA
BUZZER ON : 30mA
LIGHT ON : 60mA
FM : 6.0mA
AM : 4.5mA
BUZZER ON : 30mA
LIGHT ON : 60mA
– 15 –
SECTION 7
ELECTRICAL PARTS LIST
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
CONNECTOR
NOTE:
• Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
parts specified in the diagrams or the
components used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• SEMICONDUCTORS
In each case, u : µ, for example:
uA.. : µA..
uA.. : µA..
uPA.. : µPA..
uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
• CAPACITORS
uF : µF
• COILS
uH : µH
When indicating parts by reference
number, please include the board.
number, please include the board.
JACK
MAIN
*
1-667-679-11 CONNECTOR BOARD
*****************
< CONNECTOR >
CN1
1-564-505-11 PLUG, CONNECTOR 2P
*************************************************************
*
1-667-677-11 JACK BOARD
***********
< CAPACITOR >
C23
1-126-382-11 ELECT
100uF
20%
6.3V
C24
1-124-635-00 ELECT
220uF
20%
6.3V
< JACK >
J1
1-573-548-11 JACK (@)
< TRANSISTOR >
Q1
8-729-011-54 TRANSISTOR 2SC3265
< RESISTOR >
R5
1-216-017-00 RES,CHIP
47
5%
1/10W
R9
1-216-057-00 METAL CHIP
2.2K
5%
1/10W
R10
1-216-073-00 METAL CHIP
10K
5%
1/10W
*************************************************************
LED BOARD (SUPPLIED WITH
MAIN BOARD, COMPLETE)
**********
< DIODE >
D11
8-719-938-67 LED GL-3EG8 (OPTIMUM CHARGE)
< RESISTOR >
R36
1-216-057-00 METAL CHIP
2.2K
5%
1/10W
< SWITCH >
S3
1-572-596-11 SWITCH, KEY BOARD (LIGHT)
*************************************************************
*
A-3679-932-A MAIN BOARD, COMPLETE (INCLUDING
LED BOARD)
*********************
3-018-873-01 CHASSIS (COMBINED)
3-314-712-01 SHEET, CHLORIDE VINYL
3-363-895-01 SCREW (M1.7)
3-314-712-01 SHEET, CHLORIDE VINYL
3-363-895-01 SCREW (M1.7)
< CAPACITOR >
C1
1-163-222-11 CERAMIC CHIP
5PF
0.25PF 50V
C2
1-163-235-11 CERAMIC CHIP
22PF
5%
50V
C3
1-163-713-91 CERAMIC CHIP
27PF
5%
50V
C4
1-163-092-00 CERAMIC CHIP
9PF
0.25PF 50V
C5
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C6
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C7
1-124-261-00 ELECT
10uF
20%
50V
C8
1-124-261-00 ELECT
10uF
20%
50V
C9
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C10
1-163-031-11 CERAMIC CHIP
0.01uF
50V
C11
1-126-794-11 ELECT
4.7uF
20%
25V
C12
1-104-396-11 ELECT
10uF
20%
16V
C13
1-163-809-11 CERAMIC CHIP
0.047uF
10%
25V
C14
1-163-037-11 CERAMIC CHIP
0.022uF
10%
25V
C15
1-104-396-11 ELECT
10uF
20%
16V
C16
1-164-346-11 CERAMIC CHIP
1uF
16V
C17
1-126-382-11 ELECT
100uF
20%
16V
C18
1-164-346-11 CERAMIC CHIP
1uF
16V
C20
1-163-251-11 CERAMIC CHIP
100PF
5%
50V
C21
1-163-031-11 CERAMIC CHIP
0.01uF
50V
C25
1-164-346-11 CERAMIC CHIP
1uF
16V
C26
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C28
1-163-021-11 CERAMIC CHIP
0.01uF
10%
50V
C29
1-163-037-11 CERAMIC CHIP
0.022uF
10%
25V
C30
1-126-785-11 ELECT
47uF
20%
10V
C31
1-163-809-11 CERAMIC CHIP
0.047uF
10%
25V
C32
1-163-989-11 CERAMIC CHIP
0.033uF
10%
25V
C33
1-163-989-11 CERAMIC CHIP
0.033uF
10%
25V
C34
1-163-989-11 CERAMIC CHIP
0.033uF
10%
25V
C35
1-164-346-11 CERAMIC CHIP
1uF
16V
C36
1-164-346-11 CERAMIC CHIP
1uF
16V
C37
1-164-346-11 CERAMIC CHIP
1uF
16V
C38
1-164-346-11 CERAMIC CHIP
1uF
16V
C39
1-164-346-11 CERAMIC CHIP
1uF
16V
C40
1-164-346-11 CERAMIC CHIP
1uF
16V
C41
1-163-038-00 CERAMIC CHIP
0.1uF
25V
LED
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