Sharp XG-C50X Serviceanleitung Seite 34

XG-C50X
TROUBLE SHOOTING TABLE (Continued)
Checking the RGB signal.
Are the RGB signals outputted from
pin(16), (18) and (20) of IC3101?
Yes
Are their signals outputted from
pin(26), (28) and (30) of P3102?
Yes
Are their signals inputted into
pin(1), (5) and (25)?
Yes
Are their signals inputted into
pin(54), (58) and (62)?
Yes
Are their signals outputted from
pin(45)-(54), pin(57)-(66) and
pin(69)-(78) of P8001?
Yes
Are their signals inputted into
IC1101, IC1102, IC1201, IC1202,
IC1301 and IC1302?
Yes
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.
No
Check IC 3101 and its peripheral
circuits.
No
Check SC3102 and P3102 and
their peripheral circuits.
No
Check Q2419 and Q2420 and their
peripheral circuits.
No
Check IC2401,Q2401 Q2402 and
Q2404 and their peripheral circuits.
No
Goto "Checking the PC I/F unit".
No
Check IC1101,IC1102,IC1201,
IC1202,IC1301 and IC1302 and
their peripheral circuits.
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