Ic Block Diagrams - Sony Walkman WM-FX488 Service Manual

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4-7. IC BLOCK DIAGRAMS

IC1 TA2154FN (EL)
30 29
TV RF
1
TE
IC301 TA2160FN (EL)
L 13942296513
30 29
PRE B
1
www
.
http://www.xiaoyu163.com
28 27 26 25 24
AM AM
1/2
MIX OSC
FM
BUFF
OSC
FM/TV
AGC
MIX
FM RF
2 3 4 5 6 7
28 27 26 25
24
RF & REF
PRE A
BST SW
2 3 4 5 6
x ao
y
i
http://www.xiaoyu163.com
8
19
23 22 21 20
BUFF
FM/AM/TV
SW
PW SW
TV 1/8 OR
OSC 1/16
IF BUFF
LEVEL
DET
AM
DET
BUFF
FM
DET
FM IF
AM IF
AF
11
8 9 10 12
Q Q
3 6 7 1 3
23 22 21 20 19
AGC DET
BST
PW A PW B
11
7 8 9 10 12
u163
.
2 9 9 4 2 8
18 17
16
FM MPX
13 14
15
1 5 0 5 8 2 9 9 4
18 17
16
PW C
AGC
13 14
15
m
co
WM-FX488
9 9
2 8 9 9
15