30
YES
YES
YES
MAIN UNIT:
Check LVDS signal output from IC U107 or not?
(TX_BO0N), (TX_BO0P), (TX_BO1N), (TX_BO1P), (TX_BO2N), (TX_BO2P), (TX_BO3N), (TX_BO3P),
(TX_BO4N), (TX_BO4P),(TA_BOCKN),(TX_BOCKP), (TX_BE0N), (TX_BE0P), (TX_BE1N), (TX_BE1P),
(TX_BE2N), (TX_BE2P), (TX_BE3N), (TX_BE3P), (TX_BE4N), (TX_BE4P),(TX_BECKN),(TX_BECKP)
No picture on the display (1)
The picture doesn't appear in all modes.
Check signal
PSU_BL_PWM/ PSU_BL_EN#/ PSU_EN#/
PSU_BL_ERR#/ PSU_TC_EN#/
TCON_12V are normally or not?
Similarly, is the LVDS signal input to connector
of the panel module?
Check the panel module.
Check IC U107 and its peripheral control
circuits.
Check relative components are ok or not.
Check Wire harness.
NO
NO
NO