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

Panasonic TC-2160R TV the boot after the automatic shutdown, indicating lights out repair method of normal fault

Time£º2014-07-17 08:11:10  Source£ºNetwork  Author£ºUnknown  Clicks£º1238
  

+ 140 V of this machine is normal, measuring IC601 55 feet 0.7 V (0 V) normally, judge IC601 protection circuit starts. Kexservice manual download site
 Kexservice manual download site
Using individually disconnected IC601 55 feet protection detection circuit connected components, one by one to remove protection method to judge fault range. When the disconnect D544 boot no longer protection, and the grating and the image is normal, judgment "X-ray" protection circuit protection by mistake. Measuring the protecting circuit element data, found the bleeder circuit R542 resistance, cause D544 negative voltage rise, breakdown D544 protection circuit starts. After substitution R542, boot, troubleshooting.Kexservice manual download site