Sharp LC-32LE440U, Service Manual

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28
Main UNIT:
Check LVDS signal output from IC U2102 or not?
32" : (O0N/O0p), (O1N/O1P),(O2N/O2P),(O3N/O3P),(OCKN/OCKP)
42" : (O0N/O0p),(O1N/O1P),(O2N/O2P),(O3N/O3P),(OCKN/OCKP), (E0N/E0p), (E1N/E1P), (E2N/E2P), (E3N/E3P),
(ECKN/ECKP)
No picture on the display (1)
The picture doesn't appear in all modes.
Check signal
BL_PWM/BL_ON/PSON/ID_0/1/2/LVDS_Power
_ON/LVDSVDD are normally or not.
Similarly, is the LVDS signal input to
connector of the panel module?
Check the panel module.
Check IC U2102 and its peripheral control
circuits.
Check relative components are ok or not.
Wire harness is checked.
NO
NO
YES
YES
YES