Toshiba LCD TV 32A3000X, the machine started to find noise, the screen is not bright, the screen is found by the flashlight with a blue screen, obviously the high voltage board is damaged.
Disassemble to observe the high-voltage board insurance is normal, there is no bulging phenomenon in the electrolysis, online measurement of the power tube found that a pair of resistance values ​​are too small, suspected electrolytic damage caused, the removal of electrolytic measurements found to have failed. Remove the power tube with abnormal resistance and re-measure the resistance value. Obviously, the OZ9966 damage should be caused by the online measurement abnormality. The new startup image is normal.
[attach]458297[/attach]
[attach]458298[/attach]
[attach]458303[/attach]
[attach]458304[/attach]
Kitchen Range Hood Motor,Range Hood Motor,Kitchen Range Hood,Range Hood Fan Motor
WUJIANG JINLONG ELECTRIC APPLIANCE CO., LTD , https://www.jinlongmotor.com