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This is an excellent information source. Great quality and tons of info regarding technical service for the Technics SH8065.
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5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
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Thank you very much you are helping me a lot with my preferred hobby!!! this manual of an old TV is going to be very helpful!!!!
You are very honest competent great job very clear and well done!!!!
Matteo
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An excellent service manual contains dismantling locations of components, electronic adjustments,worth the money.
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Caracteristiques,circuit adjusment,notes on schematis diagram,it's a good service manual,to live well,thanks.
MECHANISM TROUBLESHOOTING GUIDE
E.
No tape winding is done in play.
Is the pinch roller attached to the Capstan shaft in operation of play?
NO
Check the assembly mode?
YES NO
Does the T/up reel operate? Is the Capstan belt hung?
NO
Hang the Capstan belt.
YES
Does the Capstan motor turn?
YES
Check the clutch and the idler assembly.
YES
Does the drum motor turn?
NO
Is normal voltage applied to the capstan motor Vcc1, Vcc2?
YES
Is the DPG, DFG normal?
YES
Is the Vctl terminal voltage of the Capstan motor applied at more than 4V?
NO
Check the Servo, power circuit.
YES
Are the T/up and the reel sensor normal?
YES
Replace the Capstan motor.
YES NO
Check the Syscon circuit. Is the Vcc voltage of the drum motor normal?
NO
Check the Syscon circuit.
YES
Is the Vctl terminal voltage of the drum motor at more than 2.3V?
NO
Check the Syscon circuit.
YES
Replace the drum motor.
4-25
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