Vcr Self Diagnosis - Sanyo C20VTI I-M Service Manual

3-3.
VCR
self diagnosis
1)
Enter to the service mode by pressing and holding the
STOP button for more than 10 seconds.
2) Select" 2. VF" using the Programme UP/DOWN
(PA/P T) button.
Be sure to set the data " 00 " after servicing
using the VOLUME( A +, ~– )button.
VCR self diagnosis results
Service
mode display
DATA
2.VF 02
No.
Problem
Main Possible Cause
Mechanism Operations and State
After Occurrence
00
No problem
The cylinder does not rotate.
The cylinder motor is faulty.
Shifts to the STOP
mode.
01
The control of the cylinder motor is
faulty.
The tape winds around the cylinder.
The take-up reel does not rotate.
The take-up reel is caught. Shifts to the STOP mode.
02
The belt is faulty.
The take-up torque has decreased.
The capstan motor does not
The capstan motor is faulty.
03
Shifts to the STOP mode.
rotate.
The control of the capstan motor is
faulty.
The tape cannot be loaded with the Error in the operations of the tape
Unloads, shifts to the INITIAL mode, and
cassette inserted. loading mechanism.
04
(But unloading can be performed.)
the power goes off.
Foreign particles in the tape load- ing
mechanism.
The tape end sensor is faulty.
The reel brake of the tape cassette
has not been released.
The loading and unloading
The tape guide is caught.
The power is forcibly turned off with the
05
cannot be performed with the The loading motor is faulty.
cassette inserted.
mechanism at its current position.
The control of the loading motor is
faulty.
Front unloading cannot be
The cassette holder mechanism is
Front loads and shifts to the STOP or
06 performed when ejecting the
faulty.
INITIAL mode.
cassette. (Front loading can be
The front door is caught.
When the power switch is turned on
performed.)
before eject operations: Shifts to the
STOP mode.
When the power switch is turned off
before eject operations: Shifts to the
INITIAL mode and the power goes off.
Front loading and front unloading
The tape cassette is caught in the
The power is forcibly turned off with the
07
cannot be performed when
cassette holder mechanism.
The gears of the front loading drive
mechanism at its current position.
ejecting the cassette.
mechanism
have not engaged
properly.
The mechanism becomes 1 (BRAKE)
The mechanism mode switch contact
The power is forcibly turned off with the
08 while moving from 2 (STOP, FF/REW),
is faulty. mechanism at its current position.
3 (STILL), 4 (PIAY) and to 5 (IDLER).
The mechanism becomes 7 (INITIAL)
The mechanism mode switch contact
Carries out tape takt+up operations,
while moving from 1 (BRAKE), 2
is faulty.
shifts to the INITIAL mode, and the
09
(STOP, FF/REW), 3 (STILL), 4(PLAY)
power goes off.
and to 5 (IDLER).
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