Ic Block Diagrams - Sony CFD-980 Service Manual

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5-11. IC BLOCK DIAGRAMS

IC1 TA2008AN
24
AM
RF
FM
RF
1
TE
L 13942296513
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.
http://www.xiaoyu163.com
23 22 21 20
AM FM
OSC OSC
BUFF
FM AM
MIX MIX
AGC
2 3 4 5
IC3 BU2614
VSS PD1 VDD1
16 15 14
ULLOCK
PHASE
DET
REFERENCE
DIVIDER
x ao u163
y
i
1 2 3
XOUT XIN CE
http://www.xiaoyu163.com
2 9
8
19 18 17
IF AF
BUFF BUFF BUFF
1/801V
AM
DET
FM AM LEVEL
DET
IF IF
6 7 8
Q Q
3 6 7 1 3 1 5
VDD2 FMIN AMIN P2
13 12 10
11
PRESCALER
SHIFT
REGISTER
MAIN COUNT
LATCH
I/O CTL
co
.
4 5 6 7
CK DA CD P0
— 47 —
9 4 2 8
16 15 14
FM MPX
AM/FM
ST/MONO
SW
FM ST
DET DET
MUTE
9 10 11
0 5 8 2 9 9 4 2 8
IFIN
9
20BIT
COUNT
20BIT
COUNT
m
8
P1
9 9
13
12
9 9