Hitachi DV-RV8500E/UK Service Manual page 35

Details of Servicing and Troubleshooting > Troubleshooting
Tape transport system faulty during playback
Is pressure roller
No
compressed to capstan
shaft?
Yes
No
Does take-up reel
rotate?
Yes
No
Does capstan motor
rotate?
Yes
No
Does cylinder motor
rotate?
Yes
PMC01-11:
DPG/DFG pulses?
Yes
Check SYSTEM circuit.
Check position
alignment of cam gear
(see page 4-15).
No
Is capstan belt normal?
Yes
Check D37 clutch
assembly.
No
Is power supplied to
PMC01-2?
Yes
Replace capstan motor.
No
Is power supplied to
PMC01-8?
Yes
Replace cylinder motor.
3 - 15
Replace capstan belt.
Check CAP Vcc line.
Check 13.5VA
(DRUM) line.
Cassette tape cannot be inserted
Insert a cassette tape.
No
Does S/W lever assembly
operate normally?
Yes
Check output level of
CS501 (CST/REC SW):
No
Tape with record prevention
tab ("L" >"H" >"L")
Tape without record prevention
tab ("L" >"H" >"L" >"H")
Yes
Check SYSTEM circuit
(replace IC501).
Check CST holder
assembly.
Replace CS501
(CST/REC SW).