Read Sharp XG-C50XE (serv.man11) Service Manual online
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?
pin(16), (18) and (20) of IC3101?
Are their signals outputted from
pin(26), (28) and (30) of P3102?
pin(26), (28) and (30) of P3102?
Are their signals inputted into
pin(1), (5) and (25)?
pin(1), (5) and (25)?
Are their signals inputted into
pin(54), (58) and (62)?
pin(54), (58) and (62)?
Are their signals outputted from
pin(45)-(54), pin(57)-(66) and
pin(69)-(78) of P8001?
pin(45)-(54), pin(57)-(66) and
pin(69)-(78) of P8001?
Are their signals inputted into
IC1101, IC1102, IC1201, IC1202,
IC1301 and IC1302?
IC1101, IC1102, IC1201, IC1202,
IC1301 and IC1302?
Are their sgnals inputted into
SC1101, SC1201, SC1301?
SC1101, SC1201, SC1301?
Yes
Check the connection of LCD
panels
panels
And when video signal and OSD
are also not displaied, replace the
LCD panels.
are also not displaied, replace the
LCD panels.
Check IC 3101 and its peripheral
circuits.
circuits.
Check SC3102 and P3102 and
their peripheral circuits.
their peripheral circuits.
Check Q2419 and Q2420 and their
peripheral circuits.
peripheral circuits.
Check IC2401,Q2401 Q2402 and
Q2404 and their peripheral circuits.
Q2404 and their peripheral circuits.
Goto "Checking the PC I/F unit".
Check IC1101,IC1102,IC1201,
IC1202,IC1301 and IC1302 and
their peripheral circuits.
IC1202,IC1301 and IC1302 and
their peripheral circuits.
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