CE Tech Tips — April 2021
**NOTICE**
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, 60SDX88B
Reason for Service: Picture displays a pin problem.
Solution: Replacing Q657 fixed this set.
Hitachi TV, 42HDS69
Reason for Service: Set just clicks when powered on.
Solution: Replaced two 3300uF/100V caps in power supply.
Insignia TV, NS42L780A12
Reason for Service: Set had good audio, but no picture because no backlight.
Solution: In the power supply, Q801 and Q802 were shorted, (had bad solder) and R801 was burned. 0.1ohm/2W.
Panasonic TV, TCP50X5
Reason for Service: Dead, may be intermittent.
Solution: Replaced U203 on back side of power supply.
Samsung TV, PN51D550C1
Reason for Service: Six blink code when you plug in set, but set will not turn on.
Solution: Determined it was bad Y main, then found shorted C5020 on Y main. Replaced C5020.
Sony TV, KDL40V2500
Reason for Service: Right side of screen had video strobing; left side no video at all. Audio okay.
Solution: Found 3 bad caps in power supply, C6204, C6205 and C6207.
Replacing these fixed the set.
Sylvania TV, LC190SL1
Reason for Service: Dead, fuse blown.
Solution: Replaced Q601, Q602, R610, 0.39Ω/2W and D607 zener. Also check D605, D606.
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