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| FX-10
62)
Does +17V
appear at collector
of Q102?
Yes
Does -17V appear at
collector of Q103?
Yes
Is waveform
at TP107 as
Fig.9?
Yes
[> Check
« Wire connector from
CN102.
[> Pickup is defective.
Fig. 9
No
No
No
ls waveform
at pin 5 (FEO) of
1C102 as
[> Check the circuit
around IC102, Q102
and Q103.
[> Q102 and Q103 are
defective.
Fig. 10
[> Check Q102 and Q103.
[> IC protector (ICP101) is open.
[> Check Q102 and Q103.
[> IC protector (ICP 102) is open.
No
Does
88.2kHz clock pulse
appear at pin 40(WDCK)
Sot 101027.
No
[> Check the circuit
around X101, IC103,
10104.
[> 10103 and/or IC104
is defective.
[> Check the circuit
around
!C501
soldering etc.
[> 1C102 or IC501 is
defective.
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