CE Tech Tips — October 2022
**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.
Hisense TV, LTDN46V86US
Reason for Service: Set won’t start, intermittently.
Solution: Found 3 bad caps on the power board, C811, C812 and C814.
LG TV, 42LG50
Reason for Service: Picture was solarized.
Solution: Found and replaced bad U21 on the T-Con Bd. AS15F.
LG TV, 60PV400UB
Reason for Service: Power comes on, but set doesn’t prime.
Solution: Repaired Z-Sus module by replacing a leaky C418 chip cap and three 10ohm resistors R430, R439 and R517.
LG TV, 60PV400
Reason for Service: Set powers on, but no prime.
Solution: Replaced following on Z-Sus module: R439, R517 R430, all 10ohm chip and C418.
RCA LED52B45RQ
Reason for Service: Dead, but red LED blinks once when power button pressed.
Solution: Found bad cap on power supply board, C14, 47uF.
Samsung TV, PN60E530A3FXZA
Reason for Service: Doesn’t prime, no video or picture.
Solution: Replaced ceramic caps with 10uF/63V electrolytics. C5160, C5162 and C5046.Â
Sanyo TV, FW65D25T
Reason for Service: No video, audio is okay.
Solution: Replacing FRC board fixed set.Â
Vizio TV, XVT3D474SV
Reason for Service: Set will not start. Amber logo, but doesn’t change to white.
Solution: Reflowing the BGA on main board fixed the set. U9
