Friday, September 18, 2015

PANASONIC TX-26LXD50 -TX-32LXD50 SERVICE MODE AND POWER SUPPLY CIRCUIT

PANASONIC TX-26LXD50 -TX-32LXD50 

SERVICE MODE AND POWER SUPPLY CIRCUIT 

Self Check
1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set.
2. To get into the Self -Check mode press the Down button on the customer controls at the front of the set, at the same time pressing the Status/Information  button on the remote control, and the screen will show :
3. Turn off the TV to reset JPEG Viewer circuit after SELF-CHECK.
If the CCU ports have been checked and found to be incorrect or not located then “–“ will appear in place of “O.K”.
Power LED Blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When an abonormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinking of the Power LED on the front panel of the unit.

Service Mode Function
MPU controls the functions switching for each IICs through IIC bus in this chassis. The following setting and adjustment can be adjusted by remote control in Service Mode.
How to enter SERVICE 1
1. In main menu, move to choose sound menu, set BASS to MAXIMUM, and set TREBLE to MINIMUM.
2. Simultaneously press INDEX button on remote control and DOWN button  on the TV set.

How to enter SERVICE 2
1. Enter the SERVICE 1 mode.
2. Set the channel to CH99.
3. Press HOLD button on remote control.
Note:To exit to Service mode, press N or Power button on remote control.
Option Code Setting
If the memory IC (IC1107) or DG Board is replaced, option code should be re-memorized.
If you use for other model, you should re-memorized the different option code in SERVICE 2 mode.

POWER SUPPLY CIRCUIT

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