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Panasonic TXP42XT50B

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Andypandy18:
 :sign0085:
Need service manual or help. Dead only ht at main smothing block 330volts. no 5v standby no leds

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

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

Andypandy18:
W"ill check both .. Thanks,:c017: Still need power supply circuit if poss

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