XG-C50XE (serv.man11). Troubleshooting — Sharp Projector Service Manual (repair manual)

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

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

29
XG-C50X
TROUBLE SHOOTING TABLE
Yes
Yes
No
No
No
Yes
No
No
Yes
Yes
Yes
Lamp fails to light-up
Turn on the power switch.
Is discharging sound heard from 
lamp?
Is the lamp out of socket?
Reconnect the lamp into socket.
Replace the lamp
Is the ballast cooling fan running?
Is DC 280V/400V voltage applied 
between CN704 connetor pins?
Is 2V or higher voltage applied 
between pins(4) and (2) of ballast's 
CN705 connector.
Replace the ballast.
Check the power supply  circuits.
No
Check the power supply  circuits.
Is the CN705 connector 
disconnected?
Reconnect it into socket correctly.
Check the microproccessor  and its 
peripheral circuits.
30
XG-C50X
No
Other
No
Yes
No
Yes
BU5.3V
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Checking the power unit
There is no voltage output at 
CN708
Which output voltage line fails?
Is AC voltage(90~264V)applied 
across the CN701 connector?
Is AC voltage(90~264V)applied 
across the CN706 connector?
Is the fuse F701 open?
Is the resistor R702 open?
Is the Bimetal SW open
Replace Inlet unit.
Check the Output PWB unit
Check the T703, IC703, IC705, 
IC706 and their peripheral circuits.
Check the CN701 or AC cord.
Is the resistor R775 open?
Replace Power unit.
Replace the R775.
Replace the F701.
Replace the R702.
Push the red button of the bimetal.
TROUBLE SHOOTING TABLE (Continued)
31
XG-C50X
TROUBLE SHOOTING TABLE (Continued)
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
No audio output
Is the audio signal outputted from 
the emmitor of Q306?
Is its signal inputted into pin(2) and 
(15) of IC303?
Is its signal inputted into pin(12) 
and (5) or pin(3) and (13) of IC302?
Is its signal outputted from pin(14) 
and (15) or pin(16) and (17) of 
P3102?
Is its signal inputted into pin(14) 
and (15) or pin(16) and (17) of 
SC102?
Check the J431, J421 and their 
peripheral circuits.
Check the P301 and its peripheral 
circuits.
Check the IC303 and its peripheral 
circuits.
Check theIC302 and its peripheral 
circuits.
Check the Q304 and Q305 and its 
peripheral circuits.
Check the connection between 
P3102 and SC3102.
32
XG-C50X
TROUBLE SHOOTING TABLE (Continued)
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Checking the video system
Is the lamp on ?
Is specified voltage EA 
connectors?
Is the video signal inputted into the 
pin (23) of P3102?
Is the signal outputted from the pin 
(7) of IC4502?
Is the signal outputted from the pin 
(5) of IC4505?
Is the signal inputted into pin(72) 
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 IC4505 and its peripheral 
circuits.
Check Q4501 and its peripheral 
circuits.
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.

Download Sharp XG-C50XE (serv.man11) Service Manual (Repair Manual)

Here you can view online or download Sharp XG-C50XE (serv.man11) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp XG-C50XE (serv.man11) Projector. Information contained in Sharp XG-C50XE (serv.man11) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).