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MECHANISM TROUBLESHOOTING GUIDE
E.
In PB mode Tape Presence
not sensed.
Is the Pinch Roller attached
to the Capstan Motor Shaft?
YES
Does the T/Up Reel turn?
YES
Does the Capstan Motor turn?
YES
Does the Drum Motor turn?
YES
Are there DPG, DFG pulses?
YES
Are the T/Up and Supply Reel
Sensors ok?
YES
Check the Servo, Syscon.
NO
Check Alignment positions
(page 4-13).
NO
Is the Belt ok?
YES
Check the Clutch and Idler
Assembly.
NO
Is the voltage supplied to the
Capstan Motor Vcc1,Vcc2 each?
YES
Is the terminal voltage(vctl) of
Capstan Motor supplied more
than 4V?
YES
Replace the Capstan Motor.
NO
Is the Vcc voltage of the Drum
Motor normal?
YES
Is the terminal voltage(vctl) of the
Drum Motor more than 4V?
YES
Replace the
Drum Motor.
4-25
NO
Replace the Belt.
NO
Check the Servo, Power.
NO
Check the Syscon, Circuit.
NO
Check the Syscon, Circuit.
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