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TROUBLE SHOOTING GUIDE
Check IC3001.
Check the DECK BLOCK.
YES
YES
NO
NO
AT PLAYBACK AND RECORDING,
CYLINDER MOTOR UNLOAD
Is the voltage at pin 8 of
CP3001 about DC12.6V?
Check T501.
In playback,is at pin 12 of
CP3001 about DC2.6V?
YES
YES
YES
NO
NO
NO
AUDIO SHAKES
Is AUDIO HEAD
scratched?
Change AUDIO HEAD.
At playback,is input about
4.5Vp-p of a rectangular
wave at pin 87 of IC3001?
Change CAPSTAN DD UNIT.
Check IC3001.
At playback,is pin 5 of
CP3001 3.5V?
Check AUDIO BLOCK.