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KLV-46/52X300A, 46/52W380A (CH)     3-7

This indicates panel power circuit error such as inverter.
BE micro pin 78 on FB2 board detects it.

BE Micro #78

Normal condition : High  /   Error case : Low

Replace DF boards.

3-3-5. BACK LIGHT ERROR (RED 6 Times blink) 

This indicates T-CON RDY signal error from timing controller of Panel module.

BE micro pin 128 on FB2 board detects it.

BE Micro #128

Normal condition : High  /   Error case : Low

Replace Panel module.

3-3-4. T-CON ERROR (RED 5 Times blink) 

KLV-46/52X300A, 46/52W380A (CH)     3-8

This indicates Audio Error (Protection). It happens;

- IC8806 on AG board, Audio Amp detects over current, thermal shut down and/or low
voltage of itself.

- DC voltage detected for speaker line.

Check above and replace AG board

3-3-7. AUDIO ERROR (RED 8 Times blink) 

This indicates high temperature inside chassis. IC001 on AG Board Side is monitoring
temperature. IC001 is controlled by BEM I2C.

When it happens;

- Check chassis environment

- Check around IC001 and replace AG if temperature monitoring circuit has problem

- Check panel

3-3-6. TEMP ERROR (RED 7 Times blink) 

KLV-46/52X300A, 46/52W380A (CH)     3-9

This indicates Balancer board error of panel module.
BE micro pin 113 on FB2 board detects it.

BE Micro #113

Normal condition : Low  /   Error case : High

40” : Check harness connection CN6701 on DF1 board and CN126 on balancer board
of panel module.

46” : Check harness connection CN6701 on DF2 board and CN138 on balancer board
of panel module.

52” : Check harness connection CN6701 on DF4 board and CN324 on balancer board
of panel module.

Replace Panel Module.

3-3-8. BALANCER ERROR (RED 13 Times blink) 

KLV-46/52X300A, 46/52W380A (CH)     3-10

TV micro (on AG board) is communicating with EMMA2Lr (on FB2 board)

If EMMA has any  problems, TVM retries to communicate and waits the response of
EMMA. It will be timeout in about one minute, and TVM start power-up sequence w/o
communicating with EMMA. Then, picture appears, but No OSD.

-

FB2 board

- PS3900,  conduction.

-

EMMA software upgrade error

-

Rewrite software of EMMA.

If it still NG, replace FB2 board.

3-4. COMMUNICATION ERROR