Sharp Aquos LC-45GD1E, Service Manual

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60
TU-45GD1E
LC-45GD1E
YES YES YES YES YES
NO
Is the signal coming to pin (2) (TD2+) thru pin (31) (T
A1-) of SC2801 (L
V Connector)?
NO
Are clock, H/V
-SYNC and blanking signal output from pins (40), (73), (74) and (75) of
IC2802 (L
VDS-RX)?
NO
Are digital video signal and clock output from pins (36) thru (63) of IC3103? R [0-7] / G [0-7] / B [0-7]
NO NO
Is the reset signal (RST
-PL) at pin (13) of IC3103 in the H state?
Is the
TX0-TXC
±
signal output to pins (1), (2), (9), (10), (17), (18), (23) and (24) of
DISPLA
Y
-OUTPUT
(SC3103)?
YES
Check the SC2801 (L
V Connector) and FPC.
Check the periphery of IC2802.
Check IC2851/2855 (zero-delay-buf
fer) and the periphery of
IC2852/2853/2854 (CPLD). Check the LP
Connector (P3104) and harness.
Check the periphery of HDCP-IC (IC3103).
TMDS-Tx T
roubleshooting
Check the system cable and Display block.
TROUBLE SHOOTING TABLE
(Continued)