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Sony WALKMAN WM-702 Service Manual page 27

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Signal
|1/O
Function
| Sional [vo] Function
Key data from
IC702(Comparation)
input,
*1
Not
used
for
this
unit.
Not
used
for
this
unit,
Not
used
for
this
unit.
used
for
this
unit,
Not
Remote
controller
forward
LED
output,
"L" : Lights.
*1
3 bit data from
IC702 (Comparator).
Switch
input
RADIO ON/BAND
PRESET
TUNE
*2
IC7O1 starts oscillation of the clock when
WAKE UP
is set in "L"
mode
by pressing the switch of the main
unit or the remote
controller
while
the radio section
in
ON,(The
clock
of
IC701
is stopped
while
the
radio
section
is in operation).
:

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