Read Sony ICF-R45 / ICF-T45 Service Manual online
10
10
ICF-R45/T45
4-2. SCHEMATIC DIAGRAM
L2
L5
0.22µH
L4
L3
R2
R3
R4
RV1
C11
C10
CF3
C2
C1
C12
CF1
CF2
C14
C15
C17
C18
C19
C20
C21
C23
C13
C24
C25
C26
R9
R10
D2
L6
J1
4.7µH
4.7µH
C22
S1
L7
R7
D1
L11
10µH
C30
C29
R15
R16
R17
R14
C28
R11
R12
C27
S5
S2
C9
R23
C16
R20
R13
R8
R18
C31
C4
C6
C5
R5
D3
R22
C41
S3
C8
TP
TP
R6
T1
SP701
Q2
Q1
2.2k
1k
1k
20k
0.1
1
10
4V
4V
0.01
0.01
4.7
4V
10
4V
10
4V
1
100
6.3V
1
100
6.3V
0.047
1
0.022
1
1000p
10k
2.2k
CL-170UR-CO
100p
47
1PS226
1
0.01
2.2k
47k
1k
1k
0.1
220k
220k
1000p
100p
4.7k
0.022
470k
220k
4.7k
470
470p
22p
15p
47p
1k
1SS355TE-17
2.2k
3p
8p
(FM IN)
(TIMER)
470
2SB1689
POWER
SWITCH
DTC144TUA
FM MUTE
OSC1
OSC2
OSC3
GND
OUT
VDD
RESET B
SET B
FM/AM
AM IF
FM IF
NC
IF GND
AFC
AGC
DET OUT
AF IN
RIPPLE
VCC
GND
NC
BAND
IN
IN
AGC
AFC
FILTER
FM/AM
FE GND
FM RF
NC
AM RF
REG
FM OSC
AFC
AM OSC
VOL
NF
FM
GND
GND
IN
IN
OUT
FM RF
IF OUT
DISCRI
AF OUT
SPEAKER
AM
ANTENNA
CT1-1
CV1-1
CT1-2
CV1-2
L1
IC1
CXA1280N-T4
IC2
BU2305F
METER
DRY BATTERY
TOTAL CURRENT
2PCS,3V
FERRITE-BAR
TUNE
ON
OFF
NOISE CUT
POWER
CT1-3
CV1-3
CT1-4
CV1-4
FM
AM
AM IF
AM
FREQUENCY
COVERAGE
L4,CT1-1
TRACKING
AM
L1,CT1-2
FREQUENCY
COVERAGE
FM
FM
TRACKING
L2,CT1-4
L3,CT1-3
FM/AM
FRONT-END,
IF DET,
MIX,
POWER AMP
VOL
(EARPHONE)
SIZE"AAA"
(IEC DESIGNATION LR03)
POWER
CONTROL
R45
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