Sunday, September 13, 2015

TOSHIBA 32HLV66 SERVICE MODE AND SMPS POWER SUPPLY CIRCUIT

TOSHIBA 32HLV66 

SERVICE MODE AND SMPS POWER SUPPLY CIRCUIT 

Entering Service Mode
1. Set VOLUME to minimum and press MUTE button twice on the remote control.
2. Press MUTE button again and hold button down.
3. While holding the MUTE button, press MENU button on TV set.
Selecting the Adjusting Item
Every pressing of CH UP or DOWN  button in the service mode changes the adjustment items.
Adjusting the Data
Pressing of VOLUME UP or DOWN button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item.
Exiting Service Mode
Press the POWER button once to turn off the TV.
LED BLINKING INDICATION 
The yellow blue and red /green LED light on the tv (at the bottom center of the tv) indicates the tv status.
Note. If the TV losses AC power ( a power outage occurs or the power cord is unplugged ),when power is restored  , the yellow LED will blink while the TV booting until the remote control usable. This is not a sign of malfunction
LED indication
Condition
Solution
Blue is ON
The TV is operating properly
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Yellow is ON

In power –saving  mode


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Yellow blinks three times

The TV is rebooting

Check the digital board

Blue blinks slowly









Abnormal operation of BUS







Check the factory device through the self diagnostic function under service mode .
Does BUS Line (SCL,SDA)works normal.
If the BUS line is under abnormal condition , replace the faulty device with a new one.



Blue blinks quickly


Power protect detection
Check the cause that the protecting circuit of the power supply
POWER SUPPLY CIRCUIT 


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