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INDICATION
CAUSE
REMEDY/CHECK
01
After cylinder lock is detected, the cylinder does
not start rotating again even after tape unloading.
Check the cylinder motor drive circuit.
02
Cassette tape is not wound up during the tape
unloading except EJECT mode.
Check the capstan motor drive circuit.
03
Mechanism locks during mode transition except
EJECT mode.
1. Check the loading motor drive circuit.
2. Check the mechanism phase alignment.
3. Check the mode switch.
04
Mechanism locks during tape unloading.
1. Check the loading motor drive circuit.
2. Check the mechanism phase alignment.
06
Mechanism locks after tape unloading in EJECT
mode.
1. Check the loading motor drive circuit.
2. Check the mechanism phase alignment for cassette holder un
07
During recording mode, recording signal is less
than the normal condition.
Protection of the over-current flowing in transis
which produces the power supply for recording
mode.
08
Recording circuit works except recording mode.
Check the recording circuit.
16
Cylinder lock detection.
Check the cylinder unit and the cylinder motor
drive circuit.
17
Supply reel mechanism lock detection
Check the supply reel mechanism and the sup
reel circuit.
18
Take-up reel mechanism lock detection
Check the Take-up reel mechanism and the
Take-up reel circuit.
2*
PG shifter automatic adjustment error.
Check the servo/system control circuit and the
cylinder unit.
Fig. T1 Self-Test indication Display
3. ADJUSTMENT PROCEDURES
3.1. DISASSEMBLY METHOD
3.1.1. DISASSEMBLY FLOW CHART
This flow chart indicates disassembly steps of the cabinet parts and the circuit boards in order to find the
necessary items for servicing.
When reassembling, perform the steps in the reverse order.
Fig. D1
Содержание NV-SJ422EE
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