Read Sharp XG-V10WE (serv.man8) Service Manual online
39
XG-V10WE
AN-SD1E/S422E
TROUBLE SHOOTING TABLE
Checking the PWB performance
RGB input in trouble
Feed test pattern signal from
PC.
PC.
Yes
No
Use specified cable.
Is specified cable connected
between PC and projector?
between PC and projector?
Yes
No
Power circuit in trouble.
Is supply voltage as specified?
Yes
No
Check the connectors, starting
from the input circuit.
from the input circuit.
Does image appear?
Video input in trouble
Go to "Checking the video unit
circuit".
circuit".
Through-output in trouble
Through-output circuit in
trouble.
trouble.
Remote control in trouble
Go to "Checking the remote
control".
control".
Go to "Trouble shooting table
for PC I/F unit ".
for PC I/F unit ".
Checking the video system
Yes
No
Go to "Lamp fails to light-up".
Yes
No
Is specified voltage fed to EA
connectors?
connectors?
Check the power circuit and its parts.
Yes
No
Are there signal inputs at pins (12),
(31) and (37) of SC401?
(31) and (37) of SC401?
Are there signal outputs at pins (7) of
IC6014 and (7) of IC6015?
IC6014 and (7) of IC6015?
Check the input unit circuit (IC1401,
IC1402, IC1403, IC1404, IC1405
and its peripheral circuits).
IC1402, IC1403, IC1404, IC1405
and its peripheral circuits).
Yes
Go to "Checking IC803
(RGB signal output circuit)".
(RGB signal output circuit)".
No
Check IC6009, IC6011,
IC6014, IC6015 and their
peripheral circuits as well
as switching circuit.
IC6014, IC6015 and their
peripheral circuits as well
as switching circuit.
Is the lamp on?
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