Ic Block Diagrams - Sony WM-FX522 Service Manual

• IC Block Diagrams

IC1 TA2154FN-(EL)
30 29 28 27
AM
MIX
TV
RF
FM/TV
MIX
FM
RF
1 2 3 4 5
IC301 TA2123AF (EL)
36 35 34
BST
AGC
–
DET
+
C-AMP SW 37
MT TC
38
BEEP 39 BEEP
AMS OUT 40
MT SW 41
PW SW 42
SWITCH
BST SW 43
F/R SW 44
PRE SW 45
PRE A
M/N SW 46
PRE GND 47
VREF IN 48
VREF
1
2 3 4
26 25 24 23
BUFFER
AM
OSC
1/2
FM TV 1/8 OR
OSC OSC 1/16
BUFFER
BUFFER
BUFFER
AGC
6 7
33 32 31 30 29 28 27 26
PW C
PRE B
MTL DRV
8
5 6 7 9
22 21 20 19 18
SW
FM/AM/TV
PW SW
LEVEL
AM DET
IF
DET
FM
DET
FM
IF AF
AM
IF
8 9 10 11 12 13
25
24 RF IN
PW GND
23
–
22 OUT B
+
PW B
21 OUT C
PW A
+
20 OUT A
–
19 VCC
RIPPLE
18 BASE
FILTER
17 RF OUT
16 GND
COMPARATOR 15 AMS DET
14 AMS MIX
AMS SW
13
MIX
10 11 12
WM-FX522
17 16
FM MPX
14 15
21