Sanyo VHR-M261EV - Page 72

MECHANISM TROUBLESHOOTING GUIDE
4-28
In PB mode Tape Presence
not sensed.
Is the Pinch Roller attached
to the Capstan Motor Shaft?
Check Alignment positions
(page 4-14)
Does the T/Up
Reel turn?
Replace the Belt.
Is the Belt ok?
Does the Drum
Motor turn?
Are there DPG,
DFG Pulses?
Are the T/Up Supply Reel Sensors
ok?
Check Syscon,
Circuit.
Check Syscon,
Circuit.
Check Servo, Syscon.
Does the Capstan Motor turn?
Is the terminal voltage of the
Drum Motor more than 2.3V?
Replace the
Drum Motor.
Is the Vcc voltage of the Drum
Motor normal?
Check the clutch and the Idler
Assembly.
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is the terminal voltage of Capstan
Motor supplied more than 4V?
Replace the
Capstan Motor.
Is the Voltage supplied to the
Capstan Motor Vcc1,Vcc2 each?
YES
YES
YES
Check Servo,
Power.
NO
NO
NO
E.