KLV-40/46/55X450A (E, GE) 14
1) Power Err (R ED 2 tim es blink )
This indicates POWER Error, Low B error of 12V from G6 board. TV Micro (on AAS board)
monitors pin79 and pin138 to detect POWER_ERR and shuts down chassis power to
Standby status.
TV Micro pin138 Normal condition : Low / Error case : High
TV Micro pin79 i_lb_err< 0.7V(PW_ERR_LEV)
- Check 12V at CN 1000 on AGA board. And F1001 on AAS has 12V or not.
- Check G6 board.
2) T-CON Error (R ED 5 tim es blink )
This indicates T-CON RDY signal error from timing controller of Panel module.
BE micro pin128 on FBA board detects it.
BE Micro pin128 Normal condition : High / Error case : Low
Replace Panel module.
3) B ack Light Error (R ED 6 tim es blink )
This indicates panel power circuit error such as inverter.
BE micro pin 78 on FBA board detects it.
BE Micro pin 78 Normal condition : High / Error case : Low
Replace D4 board in case of GL board in case of LED model.
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10/30/2018
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