38
LC-26DA5U
LC-32DA5U
TROUBLESHOOTING TABLE
(Continued)
Error
type
Lamp
malfunction
Flashes
once
(rapidly)
Power
failure
Flashes
twice
Main
CPU
communication
failure
Flashes
3
times
VSYNC
failure
Flashes
4
times
Abnormal
monitor
temperature
Flashes
5
times
DL
red;
LED
operation
(1
cycle)
H:
Illuminated
L:
Of
f
H:
Illuminated
L:
Of
f
H:
Illuminate
L:
Of
f
H:
Illuminate
L:
Of
f
H:
Illuminated
L:
Of
f
Pins
are
monitor
microprocessor
pins.
ERR_PNL
(IC1001:
pin
100):
Abnormal
ÒLÓ.
(detected
only
when
the
backlight
is
illuminated).
Note
that
after
five
detection
counts,
the
lamp
cannot
be
activated
except
in
the
monitoring
process.
Accumulated
counts
are
cleared
to
0
when
the
corresponding
setting
in
the
monitor
processing
is
made
or
after
continuous
illumination
for
30
minutes.
Flow:
INV_ERR
(P3203:
pin
5)
->
CPU
(IC1001:
pin
100)
Refer
to
"2)
Power
failure
details."
NON
VSYNC
(IC1001:
pin
71):
ÒLÓ
pulse
every
16
ms
when
normal
(interrupt).
The
panel
temperature
remains
60¡C
or
higher
for
15
seconds
or
more:
CAUTIONflashes
red
in
the
lower
right
of
the
OSD
for
AVC.
The
panel
temperature
remains
60¡C
or
higher
for
over
25
seconds
or
more:
error
standby
(OSTEMP
of
OTHER2
in
the
monitoring
process:
displaying
the
thermistor
AD
value,
TEMP
ERR
on
FA
Npage:
changing
the
AD
value
for
abnormal
temperature):
thermistor
1)
DL
red
LED
Notes
Error
type
Main
PWB
DET_10V (voltage
failure)
Flashes
once
DET_3.3V
(voltage
failure)
Flashes
twice
Digital
PWB
DET_D10V
(voltage
failure)
Flashes
3
times
DET_D3.3V
(voltage
failure)
Flashes
4
times
Panel-related DET_PNL5V
(voltage
failure)
Flashes
5
times
Panel-related DET_PN1_5V
(voltage
failure)
Flashes
6
times
OPC
green;
LED
operation
(1
cycle)
H:
Illuminated
L:
Of
f
H:
Illuminated
L:
Of
f
H:
Illuminate
L:
Of
f
H:
Illuminated
L:
Of
f
H:
Illuminated
L:
Of
f
H:
Illuminated
L:
Of
f
Pins
are
monitor
microprocessor
pins
unless
otherwise
specified.
CPLD1
(IC1014:
pin
42):
Abnormal
ÒLÓ.
Main
power
supply
10V
is
not
achieved.
Flow:
+10V
(Main
PWB
P1801:
pins
1
and
2)
->
Power
supply
detection
IC
(IC181
1)
->
CPLD1
(IC1014:
pin
42)
NON
NON
NON
CPLD1
(IC1014:
pin
41):
Abnormal
ÒLÓ.
5V
for
the
LCD
panel
is
not
achieved.
Flow:
PNL5V
(Main
PWB
P1801:
pins
7,
8
and
9)
->
Power
supply
detection
IC
(IC1810)
->
CPLD1
(IC1014:
pin
41)
Detected
only
when
the
panel
is
operated.
CPLD2
(IC1503:
pin
97):
Abnormal
ÒLÓ.
Inverter
5V
is
not
achieved.
Flow:
5V
regulator
(IC1809)
->
Gate
IC
(IC3203)
->
CPLD2
(IC1503:
pin
97)
Detected
only
when
the
inverter
is
illuminated.
2)
Power
failure
details
(DL
red
LED
flashes
twice
and
OPC
green
LED
flashes)
Notes
Notes
250ms
1sec
LED
flash
timing
at
the
occurrence
of
an
error
