DOWNLOAD Sharp XG-C50XE (serv.man11) Service Manual ↓ Size: 36.8 KB | Pages: 19 in PDF or view online for FREE

Model
XG-C50XE (serv.man11)
Pages
19
Size
36.8 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Troubleshooting
File
xg-c50xe-sm11.pdf
Date

Sharp XG-C50XE (serv.man11) Service Manual ▷ View online

35
XG-C50X
TROUBLE SHOOTING TABLE (Continued)
No
No
No
Yes
Yes
Yes
Checking the RGB Sync.
Are the sync inputted into pin(2) 
and (4) of SC3102?
Are their signal inputted into pin(2) 
and (12) of IC2404?
Are their signal inputted into 
pin(63) and (66) of P8002?
Go to "Checking the PC I/F unit". 
Check IC3152, IC3153, IC3154 and 
IC3151and their peripheral circuits.
Check P3102 and its peripheral 
circuits.
Check IC2404 and its peripheral 
circuits.
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
Page of 19
Display

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