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hi .full information for JVC GRVF1EG Service Manual its compete .Thank You
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perfect and good copies, all good readable.
within 24hrs and very cheap also.
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Great salespeople, muuito attentive recommend everyone buy this site.Obrigado by atendomento..
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everything was fine - fast, readable, worth the price
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I'm happy to get a manual from this rare old amp. The pdf is from good qualty.
MECHANISM TROUBLESHOOTING GUIDE
E.
In PB mode Tape Presence not sensed.
Is the Pinch Roller attached to the Capstan Motor Shaft?
NO
Check Alignment positions (page 4-13).
YES NO
Does the T/Up Reel turn? Is the Belt ok?
NO
Replace the Belt.
YES
Does the Capstan Motor turn?
YES
Check the Clutch and Idler Assembly.
YES
Does the Drum Motor turn?
NO
Is the voltage supplied to the Capstan Motor Vcc1,Vcc2 each?
YES
Are there DPG, DFG pulses?
YES
Is the terminal voltage(vctl) of Capstan Motor supplied more than 4V?
NO
Check the Servo, Power.
YES
Are the T/Up and Supply Reel Sensors ok?
YES
Replace the Capstan Motor.
YES NO
Check the Servo, Syscon. Is the Vcc voltage of the Drum Motor normal?
NO
Check the Syscon, Circuit.
YES
Is the terminal voltage(vctl) of the Drum Motor more than 4V?
NO
Check the Syscon, Circuit.
YES
Replace the Drum Motor.
4-25
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