Read Sony ICF-SW35 Service Manual online
– 21 –
GND
30
PLL LPF
29
NPX REG
28
VCO
27
FM
DISCRI
26
MUTE
25
AM OSC
24
AFC
23
FM OSC
22
REG
21
FM RF
20
AM RF IN
19
FM RF IN
18
FE GND
17
FM/AM
FE OUT
16
PLL LPF
1
PILOT DET
LPF1
2
3
PILOT DET
LPF2
ST IND/
VCO CHECK
4
RCH OUT
5
LCH OUT
6
VCC
7
RIPPLE
FILTER
8
AGC/AFC1
9
AGC/AFC2
10
GND
11
TUNE IND
12
FMIF IN
13
AMIF IN
14
BAND SELECT
15
FM FRONT-END
FM FRONT-END
FM IF/
DISCRI
AM IF/
DET
TUNING
INDICATOR
BAND PASS
MUTE
REG
AUTOBLEND
RIPPLE
FILTER
MUTING
MPX REG.
VCO
1/2
COUNTER
1/2
COUNTER
DECORD AMP
MONO/ST
SELECT
PO2
PO1
IN1
IN2
NC
NC
NF2
GND2
P-GND2
OUT2
RIPPLE
PRE+POWER1
PRE+POWER2
REG
VOL
16
REG
15
VOL
14
NF1
13
GND1
12
P-GND1
11
OUT1
10
VCC
9
1
2
3
4
5
6
7
8
1
2
3
4
GND
OUT
NC
C
8
7
6
NC
IN
NC
5
NC
TRIGGER
CIRCUIT
REGULATOR
REFERENCE
ERROR
AMP
3
GND
1 OUT
2 VDD
VREF
1
2
3
VOUT
VIN
GND
VREF
IC1 CXA1238S
• IC Block Diagrams
IC2 CXA1522P
IC203 RN5RL27AA-TR
IC3 LA5002MTP1
IC204 R3111Q271A-TR
IC205 R3111Q331A-TR
IC205 R3111Q331A-TR
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