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Kenwood KT-990D Service Manual page 15

Quartz synthesizer am-fm stereo tuner
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1C1: LM7001(X05-3420-1 1)
PLL frequency synthesizer
|
iF
2
PI
hase
Detector
|
Block diagram
syc
Charge
Pump
XIN
XOUT
o
FMIN
o
AMIN
o
4$
54
CE
CL
DATA
Terminal description
Pin no| Pin name
VO
[Function
4
XOUT
oO
EE
ene
IN
Ss
es ee
Data input.
Clock for controller (400 kHz).
Band data output.
BO1
can be used as a time base output
(8 Hz)
Local oscillator signal input.
Power supply.
VDD2
for back-up.
Charge pump output.
Power supply.
INTERNAL
DATA

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