Mulja tv repair portal

Service manuals & datasheets => PLASMA TV forum => Topic started by: Andypandy18 on November 21, 2013,11:45:56

Title: Panasonic TXP42XT50B
Post by: Andypandy18 on November 21, 2013,11:45:56

 :sign0085:
Need service manual or help. Dead only ht at main smothing block 330volts. no 5v standby no leds

Title: Re: Panasonic TXP42XT50B
Post by: jordan on November 21, 2013,15:44:10

On PSU check zener diode  ZD316 it is OK change IC-U203

Title: Re: Panasonic TXP42XT50B
Post by: downunder on November 22, 2013,03:33:03

Agree with Mr Jordan......IC U203 (FAN6755UWYM) will cause no power, no STB-5V.

Title: Re: Panasonic TXP42XT50B
Post by: Andypandy18 on November 22, 2013,09:16:47

W"ill check both .. Thanks,:c017: Still need power supply circuit if poss