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=)
={ele)
= Selector Switch Failure
Failure in selector switches
(speed, size, repeat)
Does
the
switch
input
terminal switch to L level
when the respective switch
is pressed?
*Check with the tonearm
stationary
in
the
arm
rest
Check
soldering
around
the switches
Does the indicator output
terminal
of
each
switch
revert to H/L when the re-
spective switch
is pressed
on and off?
Check
soldering
around
the output terminals
Check
LED
series resist-
ance
Defective LED
®Check
by removing
the
LEDs
= Locate Operation Failure
e During
locate
operations,
the
IC
pin
levels
should change as shown
in the following table.
When pressed to
IC1 pin 27 and
L~>IC1 pin 10,9
L-— Lead-in indicator LED
2nd level
29
IC3 pin 3,1
L
28
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