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, 53FDX20B
Reason for Service: Raster pulls in on bright scenes.
Solution: Found open connection at T703 and repaired.
JVC TV, LT-42E478
Reason for Service: At power on, Power light comes on
for a few seconds and blinks, but set doesn’t come on.
Must unplug before trying again.
Solution: Found shorted cap on T-Con board. C333, 330pF
LG TV, 55LM4600
Reason for Service: Backlights on, no video, blue screen.
Solution: Replacing T-Con fixed set.
Samsung TV, HL67A750A1FXZA
Reason for Service : Dead, might be intermittent.
Solution: Found and replaced 8 bad caps in power supply.
Samsung TV, LN46A500T1FXZA
Reason for Service: Colors wrong, kind of negative looking.
Solution: Replaced T-Con or U7 on T-Con, AS19-H1G.
Sony TV, KDL-52XBR9
Reason for Service: Picture comes on, then goes off; does this three times before shutting down for good. 10 Blink error code.
Solution: Main board had to be replaced.
Toshiba TV, 57HX93
Reason for Service: Dead set.
Solution: Found and replaced 2 bad caps on sub power board.
Vizio TV, E461-A1
Reason for Service: No picture, backlight or sound, but LED turns white at turn on.
Solution: Replacing EEPROM fixed the set.