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AL-E77BK
The platter does not rotate.
Check the drive belt is normal.
Rest switch or Q701, Q702
is defective.
{s the collector of Q702 0 V?
Motor PCB or phono motor is defective.
UP/DOWN
is impossible.
ls 4 V voltage
present at 1C901 pin
when UP/DOWN button
is pressed?
1C901 or peripheral circuit
is defective.
is 11 V voltage present
Is the voltage
is defective.
Plunger or mechanism is defective.
No. 2896)
1-9
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