Sharp XG-NV1E, Service Manual

Page: 22 / 66

XG-NV1E
XG-NV1EA
TROUBLE SHOOTING TABLE
(Continued)
22
Checking the PWB performance
Use specified cable.
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
RGB input in trouble
Feed test pattern signal from PC.
Is supply voltage as specified?
Does image appear?
Is the image proper?
Does G picture appear?
Does R picture appear?
Is specified cable connected between
PC and projector?
Check control circuit (IC5001, IC5002,
IC5003 and IC5010).
Are D/A outputs of IC1007, IC1008
and IC1030 as specified?
Go to "Checking the B signal line of
output PWB".
Through-output in trouble
Power circuit in trouble.
Go to "Checking the through-output
circuit".
Are D/A outputs of IC1003, IC1004
and IC1028 as specified?
Go to "Checking the G signal line of
output PWB".
Are D/A outputs of IC1005, IC1006
and IC1029 as specified?
Go to "Checking the R signal line of
output PWB".
Go to "Checking the B signal line of
signal processing PWB".
Go to "Checking the remote control
circuit".
Go to "Checking the G signal line of
signal processing PWB".
Go to "Checking the R signal line of
signal processing PWB".
Remote control in trouble
TROUBLE SHOOTING TABLE