Sanyo VHR-757G Service Manual page 3

Mechanism Operations and
State After Occurrence
Front unloading cannot be performed | * The cassette drive mechanism is | Front loads and shifts to the STOP or
when ejecting the cassette. faulty. INITIAL mode.
(Front loading can be performed.) ¢ The front door is caught. ¢ When the power switch is turned on
before eject operations: Shifts to the
STOP mode.
e 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 can- | * The tape cassette is caught in the | The power is forcibly turned off with
not be performed when ejecting the | cassette drive mechanism. the mechanism at its current position.
cassette. * The main cam and front rack gear of
the front loading mechanism have
not engaged properly.
¢ The gears of the front loading drive
mechanism have not engaged prop-
erly.
¢ The mechanism mode switch con-
tact is faulty.
No. Problem Main Possible Cause
06
07
The power is forcibly turned off with
the mechanism at its current position.
The mechanism becomes 1 (RE-
VIEW) while moving from 2 (IDLER),
3 (STILL), 4 (BRAKE), and to 5
(STOP). ae
The mechanism becomes 7 (INITIAL)
while moving from 1 (REVIEW), 2
(IDLER), 3 (STILL), 4 (BRAKE), and
to 5 (STOP).
Carries out tape take-up operations,
shifts to the INITIAL mode, and the
power goes off.
* The mechanism mode switch con-
tact is faulty.
Note: For details of mechanism operations corresponding to the mechanism positions of the self-diagnosis numbers 08 and 09 above,
refer to the separate volume on the V95 I mechanism manual. These manual reference numbers are shown in the cover.
Mechanism Mode Display Contents
Mechanism Mode Mechanism Mode
Mode No. Mechanism Mode Mode No.
CASSETTE OUT PLAY 16 VIDEO INSERT
01 STANDBY REC VIDEO INSERT-PAUSE
02 STOP 10 AUDIO DUBBING AUDIO/VIDEO INSERT
03 STILL 11 X2 SPEED PLAY REVERSE X2 SPEED PLAY
04 REC-PAUSE 12 CUE
05 AUDIO DUBBING-PAUSE 13 REVIEW
FAST FORWARD
REWIND
FRAME ADVANCE 14
SLOW
OTHERS
2. Head Output Drop Warning Display
* When the STOP button on the remote control is pressed for 10 seconds continuously 10 seconds after play starts, "L" will be
displayed blinking at the first digit of the minutes position on the tape counter when the head output is lower than the specified
value to indicate an abnormality.
* The cause of the abnormality may be due to drop in the playback output caused by drop in the efficiency of the cassette used or
head clogging. Refer to "Head Playback Output Voltage Check" as a means to judge the abnormality.
Display panel
Head output drop warning display
(Tape counter "1st digit of Minutes." position)
=36