Diagrams; Printed Wiring Board - Sony ICF-C218 Service Manual

4-1. PRINTED WIRING BOARD

1
MAIN BOARD
A
RV1
L1
B
AM
FM
FERRITE-BAR S1
ANTENNA
BAND
AM
TP1 (RF IN)
C
CV1-1-CV1-4
TUNING
D
E
ICF-C218
SECTION 4

DIAGRAMS

:Uses unleaded solder.
2 3
CF1
C17 C14
C9
T1
IC1
16 30
CF2
C15 C29
15 1
L3
C7
JW2
C32
Q1
C8
CV1
E
JW5
C6
JW207
CV1-2 CV1-3
CT1-2 CT1-3
L4
CV1-1 CV1-4
CT1-1 CT1-4
JW206
C209
R221
S12
S11
ALARM TIME
ALARM TIME
SET -
SET +
4 5
ANT1
FM WIRE
ANTENNA
SP, TH, AUS
JW3
SP1
C24
S14
DST
C303
Q302
E
R302
S6
R208 R241
ON
R211
S15
10 9
OFF R214
R225
18
IC101
19
S16
SNOOZE
C210
27 28
18
LED101
LED DISPLAY
9 9
6 7
T301
POWER TRANSFORMER
C307
C&SA, MX
W102
R217
R222
S8
R227 S7
SET-
SET +
R212
JW303
JW302
R220
S10
R216 JC202
SLEEP S4
ALARM MODE
JW202
1
36 JW211
W105
1
Note:
• X : parts extracted from the component side.
• : Pattern from the side which enables seeing.
• Abbreviation
SP : Singapore model
TH : Thai model
AUS : Australian model
MX : mexican model
C&SA : Central & South American model
ICF-C218
Ver. 1.1
8 9
AC IN
S9
CLOCK
R218
JW301
LITHIUM BATTERY
CR2032
1PC. 3V
(POWER BACK UP FOR CLOCK)
BUZZER RADIO OFF
R204 R239
R205
1-872-291- 11
(11)
• Semiconductor
Location
Ref. No. Location
D202 D-3
D203 D-4
D204 C-5
D205 D-7
D301 C-6
D302 C-6
D303 C-5
IC1 B-3
IC101 D-5
LED101 E-5
Q1 C-3
Q302 C-5