DOWNLOAD Sharp XG-NV21SE (serv.man4) Service Manual ↓ Size: 147.96 KB | Pages: 29 in PDF or view online for FREE

Model
XG-NV21SE (serv.man4)
Pages
29
Size
147.96 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Resetting the total lamp timer, The optical unit outline, Covergence and focus adjustment, Electrical adjustment, Adjusting the PC board, Troubleshooting table - Page 15-43
File
xg-nv21se-sm4.pdf
Date
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43
XG-NV21SE
XG-NV21SM
XG-NV21SA
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the OSD circuit and its peripheral circuits
Yes
No
Are there signals at pins (7), (8), (37) 
and (38) of  TC3 connector?
LCP circuitry faulty.
Yes
No
Are there signals at pins (1) and (2) of 
IC8037?
IC8025, IC8055 or its peripheral 
circuit faulty.
IC8037 or its peripheral circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there 
signals at pins (9) and (39) of TC3 
connector?
LCD circuitry faulty.
IC8001 or its peripheral circuit faulty.
43
XG-NV21SE
XG-NV21SM
XG-NV21SA
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the OSD circuit and its peripheral circuits
Yes
No
Are there signals at pins (7), (8), (37) 
and (38) of  TC3 connector?
LCP circuitry faulty.
Yes
No
Are there signals at pins (1) and (2) of 
IC8037?
IC8025, IC8055 or its peripheral 
circuit faulty.
IC8037 or its peripheral circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there 
signals at pins (9) and (39) of TC3 
connector?
LCD circuitry faulty.
IC8001 or its peripheral circuit faulty.
43
XG-NV21SE
XG-NV21SM
XG-NV21SA
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the OSD circuit and its peripheral circuits
Yes
No
Are there signals at pins (7), (8), (37) 
and (38) of  TC3 connector?
LCP circuitry faulty.
Yes
No
Are there signals at pins (1) and (2) of 
IC8037?
IC8025, IC8055 or its peripheral 
circuit faulty.
IC8037 or its peripheral circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there 
signals at pins (9) and (39) of TC3 
connector?
LCD circuitry faulty.
IC8001 or its peripheral circuit faulty.
43
XG-NV21SE
XG-NV21SM
XG-NV21SA
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-6
Checking the OSD circuit and its peripheral circuits
Yes
No
Are there signals at pins (7), (8), (37) 
and (38) of  TC3 connector?
LCP circuitry faulty.
Yes
No
Are there signals at pins (1) and (2) of 
IC8037?
IC8025, IC8055 or its peripheral 
circuit faulty.
IC8037 or its peripheral circuit faulty.
Checking the remote control
Yes
No
Run the remote control. Are there 
signals at pins (9) and (39) of TC3 
connector?
LCD circuitry faulty.
IC8001 or its peripheral circuit faulty.
Page of 29
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