Due to the danger and complexity of electronic equipment repair, the following technical tip is intended for professional reference only. Please refer to manufacturer’s recommendations as Encompass does not guarantee the accuracy, reliability or safety of this information.
Hitachi TV, 60V500A
Reason for Service: Lamp LED blinking.
Solution: Check door lamp switch – boss on door or lamp assembly may not close switch. Apply tape to boss.
LG TV, 60PV250UB
Reason for Service: Set had no video, but audio okay.
Solution: Replaced Z-Sus and resoldered coils on Y-Sus.
Philips TV, 47PFL7403D/F7
Reason for Service: Dead set, no LED.
Solution: Found fuse open, U101 was shorted with black pin hole on top. Also check for bad 120W resistor that feeds U101.
Samsung TV, PN51F8500AF
Reason for Service: Dead set, main fuse blown.
Solution: Found shorted transistor, QP804C on power board. Replacing it and fuse fixed set.
Sanyo TV, DP42841
Reason for Service: Dead set, no standby.
Solution: Replaced R606 and IC601. STR-A6051M.
Sony TV, KDL40EX400
Reason for Service: Dead set with no standby.
Solution: Replaced following: IC6101, D6302, D6304 and R6107, 10ohm/1W.
Sony TV, KDL40SL140
Reason for Service: Dead set.
Solution: Set had no standby, fusible resistor R6200 open. 10ohm/half watt.