DOWNLOAD Sharp XG-C50XE (serv.man24) Service Manual ↓ Size: 11.62 MB | Pages: 127 in PDF or view online for FREE

Model
XG-C50XE (serv.man24)
Pages
127
Size
11.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Complete service manual
File
xg-c50xe-sm24.pdf
Date

Sharp XG-C50XE (serv.man24) Service Manual ▷ View online

36
XG-C50X
TROUBLE SHOOTING TABLE for PC I/F UNIT
Checking of PC I/F UNIT
Check the video input.
Check the component input.
Check the RGB input.
Is the user menu displayed 
onscreen?
End
Check the onscreen display.
Yes
Yes
Yes
Yes
Yes
0
37
XG-C50X
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)
Is the STEP signal as specified?
Select the STEP signal.
Is the onscreen display color 
normal?
No problem with the onscreen 
display.
In the process mode, make the 
LCD line adjustment.
Is the user menu displayed 
onscreen normally by the MENU 
key?
Is the signal compatible with the 
STEP signal outputted at TL106 
thru TL111?
Enter the process menu and select 
PATTERN. Then select the COLOR 
pattern.
No
Yes
No
Yes
Go to "Checking of GA4 and Its 
Periphery".
Yes
Rewrite the onscreen display data.
No
Checking of Onscreen Display
0
Rewrite the onscreen display data.
Yes
IC8025 is defective.
No
0
38
XG-C50X
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)
Yes
No
Yes
1
2
3
No
Yes
Checking of RGB Input
Feed the sync separation type 
analog RGB signal to INPUT1.
Select INPUT1 using the set's key 
or the remote controller.
Does the picture appear?
Go to "Confirmation of Video 
Input".
Is the picture disturbed?
Go to "Checking of Sync Signal".
No
Go to "Checking of RGB Signal".
No
Yes
IC8013, IC8025 or their periphery 
is defective.
Do the three colors R, G and B 
appear?
Carry out the AUTOSYNC process.
Yes
Is the contour of picture clear?
No
Is there any disturbance in the 
vertical stripe pattern?
End
39
XG-C50X
TROUBLE SHOOTING TABLE for PC I/F UNIT (Continued)
IC8025 or IC8013 is defective.
Go to "Checking of Sync Signal".
Is there the signal at pin (55) of 
SC8002 (B-to-B connector)?
Somewhere in the signal route is 
defective. Check the capacitors 
and resistors between SC8002 
and IC8013.
Make "Confirmation of Input 
Signal Setting".
Is there the video signal at the land 
of C8070?
Yes
No
Yes
Confirmation of Video Input
The signal source or connector is 
defective.
End
Is the right item selected from input 
menu?
Are the connectors connected 
correctly?
Yes
No
Yes
Confirmation of Input Signal 
Setting
Select the right item.
2
No
Connect the connectors correctly.
1
No
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