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3) DISC NOT ROTATING
Oo
Check voltage at pin 33
of IC 7530 (high > low)
O
0
Check focusing
Check laser (on)
Check voltage at
pin23 of IC 7530
(high)
ny"
"Lu"
Check voltage at
pin35 of IC 8309
(SV)
Check voltage of
"SP +", "SP -" of IC 6296
Check voltage at pin 14
of IC 8309
Check oscillation of
IC 5990 (16MHz)
Check voltage at pin 5
of [C 9201
Check soldering of
pick-up laser diode
Check soldering of "FOK"
of IC 8309, IC9201
ae
Check soldering and
pattern of Q 1701
Replace pick up
#
ya
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