Sanyo VHR-550 Service Manual page 3

Video cassette recorder
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15502(1) D2
No.
Problem
Main
Possible
Cause
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.)
o
The
front
door
is caught.
.
When
the power
switch
is turned
on
06
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
cannot
be
performed
when
ejecting
cassette
drive
mechanism.
the cassette.
the mechanism
at its current
position.
.
The
main
cam
and front
rack gear
of
07
the
front loading mechanism
have
not engaged properly.
.
The
gears
of the front
loading
drive
mechanism
have
not
en-
gaged properly.
The mechanism becomes 1 (REVIEW)
The
mechanism
mode
switch
con-
The
power
is forcibly
turned
off with
08
while
moving
from
2 (IDLER),
3( STILL),
tact is faulty.
the mechanism
at its current
position.
4 (BRAKE),
and to 5
(STOP).
The
mechanism
becomes
7 (INITIAL)
The
mechanism
mode
switch
con-
Carries
out
tape
take-up
operations,
09
while
moving
from
1 (REVIEW),
2
tact is faulty.
(IDLER),
3( STILL),
4
(BRAKE),
and to
shifts
to the INITIAL
mode, and the
5 (STOP).
power goes off.
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
r
vlode No.
Mechanism
Mode
Mode No.
Mechanism
Mode
Mode No.
Mechanism
Mode
00
CASSEITE
OUT
08
PLAY
16
VIDEO INSERT
01
STANDBY
09
REC
17
VIDEO INSERT - PAUSE
02
STOP
10
AUDIO DUBBING
18
AUDIO/VIDEO
INSERT
03
STILL
11
X2 SPEED PLAY
19
REVERSE X2 SPEED PLAY
04
REC-PAUSE
12
CUE
05
AUDIO DUBBING - PAUSE
13
REVIEW
06
FRAME ADVANCE
14
FAST FORWARD
07
SLOW
15
REWIND
99
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 maybe 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
171:
!"""'"""'3
i"""'"""$
:' I
i"""i:177
U
_l
i,..,i i,..,...? " :" 1 !-
f.....: " U
c
I
4
I
Head output drop warning display
(Tape counter "lst digit of Minutes." position)
–3–

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