Service Manual Transistor Technical Articles CD Download Register Member Login Exit Sign
Home A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
. TV  .  Camera  .  Video camera  .  Notebook  .  Audio  .  Monitor  .  Projector  .  Air conditioning  .  Refrigerator  .  Printer  .  Duplicator  .  Fax machine  .  Mobile  .  Telephone  .  Washing machine  .  Cooker  .  Microwave  .  Other  .  
Your current location£ºHome > Technical Articles > TV

Risong brand MN-2528 color TV, sound normal, the image sometimes shrink fault repair method

Time£º2014-04-28 09:09:46  Source£ºNetwork  Author£ºUnknown  Clicks£º1324
  

 According to the fault performance analysis unstable power supply or bad, when measured with a multimeter main 130V voltage failure is 100V, A3 power supply with this movement, as follows: a 100-watt light bulb false load, the main 130V voltage is normal and stable, according to a fault occurs when zapping ordinary, the fault is locked to poor power supply load, fancy figure, measured with a multimeter power some of the major components found no abnormalities, but found R524 drawings labeled 88 in Europe, as in the actual circuit board