Read Sony ICF-B01 (serv.man2) Service Manual online
17
ICF-B01
IC1 CXA1280N-T4 (MAIN BOARD)
• IC Block Diagrams
IC3 XC9110C451MR (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
23
GND
AF OUT
RIPPLE
FILTER
AF IN
DET OUT
AFC AGC
AFC AGC
IF GND
METER
N.C
FM IF IN
AM IF IN
FM/AM BAND
SELECT
FM/AM
IF OUT
FM RF IN
N.C
FE GND
AM RF IN
FM RF
REG OUT
FM OSC
AFC
AM OSC
NF
VOL
FM DISCRI
GND
GND
GND
VCC
FM IF
TUNING
METER
METER
FM
DISCRIMINATOR
AF POWER AMP
AM IF DET AGC
FM FE
AM FE
22
21
20
19
18
17
16
24
25
26
27
28
29
30
1
3
CHIP ENABLE
PFM COMPARATOR
VDD
VREF
2
PFM CONTROL
OSC 100kHz
BUFFER
CE
VOUT
NC
VLX LIMITER
5
4
EXT
GND
Click on the first or last page to see other ICF-B01 (serv.man2) service manuals if exist.