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
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33
XG-C50X
TROUBLE SHOOTING TABLE (Continued)
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Checking the S-video system
Is the lamp on ?
Is specified voltage EA 
connectors?
Is the video signal inputted into the 
pin (19) and (21) of P3102?
Is the Y-signal outputted from the 
pin (7) of IC4502?
Is the C-signal outputted from the 
emitter of Q4513? 
Is the signal inputted into pin(72) 
and (73) of P8002?
Go to "Checking the PC I/F unit".
Go to "Lamp fails to light-up".
Check power circuit and its parts.
Check the video terminal and its 
peripheral circuits.
Check IC4502 and its peripheral 
circuits.
Check Q4513 and its peripheral 
circuits.
Check Q4502 and its peripheral 
circuits.
34
XG-C50X
TROUBLE SHOOTING TABLE (Continued)
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Checking the RGB signal.
Are the RGB signals outputted from 
pin(16), (18) and (20) of IC3101?
Are their signals outputted from 
pin(26), (28) and (30) of P3102?
Are their signals inputted into 
pin(1), (5) and (25)?
Are their signals inputted into 
pin(54), (58) and (62)?
Are their signals outputted from 
pin(45)-(54), pin(57)-(66) and 
pin(69)-(78) of P8001?
Are their signals inputted into 
IC1101, IC1102, IC1201, IC1202,
IC1301 and IC1302?
Are their sgnals inputted into 
SC1101, SC1201, SC1301?
Yes
Check the connection of LCD 
panels
And when video signal and OSD 
are also not displaied, replace the 
LCD panels. 
Check IC 3101 and its peripheral 
circuits.
Check SC3102 and P3102 and 
their peripheral circuits.
Check Q2419 and Q2420 and their 
peripheral circuits.
Check IC2401,Q2401 Q2402 and 
Q2404 and their peripheral circuits.
Goto "Checking the PC I/F unit". 
Check IC1101,IC1102,IC1201,
IC1202,IC1301 and IC1302 and 
their peripheral circuits.
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
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