Read Sharp LB-1085 Service Manual online
LB-1085
TROUBLESHOOTING
7 – 2
2 POWER ABNORMALITY
*
Power flashing twice + OPC LED flashing
The following chart is OPC LED flashing pattern (1 cycle)
The following chart is OPC LED flashing pattern (1 cycle)
DET_10V error
Flashing Once
H:On
L: Off
DET_D3V3 error
Flashing twice
DET_12V error
Flashing 5 times
H:On
L: Off
H:On
L: Off
H:On
L: Off
Main error
Flashing 7 times
D3.3V does not rise up. Check the circuits
around the connector PH - IC9602
around the connector PH - IC9602
A9V does not rise up. Check the circuits around
the connector PH - IC9706.
the connector PH - IC9706.
Are the output
voltages supplied from
the power PWB?
No
Flashing
several sec
several sec
Immediately flashing
Abnormality
Abnormality
No abnormality
Check the inverter power.
Check for blown fuse.
Check for blown fuse.
Check the power
for signals.
for signals.
Replace the abnormal parts.
Does the LED
flashes immediately after
AC_ON or does it light in blue and
then flash several
seconds after?
5V does not rise up. Check the circuits around
the connector PH - IC9705.
the connector PH - IC9705.
PNL12V is not detected. Check the connector
LP - PL - PC line.
Check the fuse in the power interface PWB.
LP - PL - PC line.
Check the fuse in the power interface PWB.
Main microprocessor detection error. For details,
check the codes of ERROR SRNDBY CAUSE
on 1/37 (North America) or 1/38 (Europe/China)
of the process adjustment mode. For the errors
corresponding to the codes, refer to
"
check the codes of ERROR SRNDBY CAUSE
on 1/37 (North America) or 1/38 (Europe/China)
of the process adjustment mode. For the errors
corresponding to the codes, refer to
"
■ MONITOR_ERR_CAUSE LIST"
DET_6V error
Flashing 3 times
H:On
L: Off
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