Panasonic AG-1980P Service Manual page 6

GENERAL
INFORMATION
1-2.
SELF TEST INDICATION DISPLAY
This
VCR
has
a self-diagnosis
and
display
function.
If
the
VCR
detects trouble during
installation
or during use,
one
of the following
fault
indication
code
will
automatically
appear
in
the
VCR
display. Fault indication
codes
are
displayed
in
the
form
of single English
letter
following
by two number, as example
"HOI".
Note:
1
.
The
indication
"U"
is
displayed
on
the FIP
while
power remains
on.
2.
Otherwise, the
indication
"H" or "F"
is
displayed
on
the
FIP,
and
the
power
is
automatically turned
off.
When
the
power
id
turned
on
again, the
fault
indication
code
will
disappear
and
the
unit
will
return to
normal
display
mode.
3.
This
fault indication
code
will
be
stored
in
the
Timer microprocessor even
with the
AC
plug
disconnected.
The
two
digit
number
portion
if
the stored
fault
indication
code can
be
redisplayed
in
the
FIPs
"second"
display
position (the
last
2
digits
on
the
light)
by
placing
the
unit
is
service
mode
number
2
when
turning
on
the service information display
as
for
example
"01" or "02"
etc.
If
a
second
error occurs, only the
most
recent
error
will
be
displayed
and
stored.
4.
To
erase
the stored
fault
indication
code
data,
press the FF,
REW
and
EJECT
buttons
simultaneously
for
5 seconds.
INDICATION
CAUSE REMEDY/CHECK
U10
Detect condensation
(DEW) when
it
is
used
in
very
humid
condition.
Wait
until
the
"d"
display
goes
off.
(DEW
timer:
Condensation disappear
+
120
min.
)
U11 Head
clogging during
Playback mode.
HOI
After cylinder lock
is
detect,
the cylinder
does
not start rotating
again
even
after
tape unloading.
Check
the cylinder
motor
drive
circuit.
H02
Cassette tape
is
not
wound
up
during
tape unloading, except Eject
mode.
Check
the capstan
motor
drive
circuit.
F03 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 SW.
F04 Mechanism
locks during
tape
unloading.
1
.
Check
the loading
motor
drive
circuit.
2.
Check
the
mechanism
phase
alignment.
F05
Cassette tape
is
not
wound up
during
tape unloading
in
Eject
mode.
1.
Check
the capstan motor
drive
circuit.
2.
Check
the supply/take up
reel pulse.
F06 Mechanism
locks
after
tape unloading
in
Eject
mode.
1
.
Check
the loading
motor
drive
circuit.
2.
Check
the
mechanism
phase
alignment
for
cassette holder
unit.
F09 No
serial
clock transmission
between
IC6001 and IC6503.
Check
the
serial
clock
circuit.
Fig.
S5
Self-Test Indication Display
1-5