Tag - LG TV repair

Hisense TV, 50K360G
Reason for Service: Has audio and backlight, but no picture.
Solution: Replaced T-Con. 

LG TV, 32LX1D
Reason for Service: Dead set
Solution: Replacing C127 and C127 restored normal operation.

Panasonic Combo, PVDM2791
Reason for Service: No vertical
Solution: Replaced the following: U451, LA7331, C401, 2.2uF/50V, C402, 470uF/16V, C408, 1uF/50V, and C409, 100uF/35V.

Samsung plasma, HP-R4252
Reason for Service: Picture has red dotted horizontal lines
over 3/4 of the screen.
Solution: Replacing both lower and upper buffers fixed the set.

Sony TV, KDL55EX710
Reason for Service: Set shuts down a couple of hours after turning on. 7 blink error.
Solution: Ensure set has good ventilation; might have to replace BAL board.

Vizio TV, E370VLE
Reason for Service: Set won’t start. Logo changes from amber to white, but no B/L, no sound.
Solution: Found D120 on power board was shorted. Used MUR460.

 Vizio TV, M470NV
Reason for Service: Unit powers on, logo goes white then back to amber and set never starts.
Solution: Reflowing U9 on main board fixed the set. 

Westinghouse TV, DW37H1G1
Reason for Service: Set just keeps cycling the colors and will not turn off.
Solution: Unplug set, hold MENU button down while plugging set back in.

Hitachi TV, L32A403
Reason for Service: Set comes on, works okay for an hour then panel shuts
off; sound and other functions work. Turning the TV off, then back on,
set works again for an hour then repeats.
Solution: Replacing inverter board assembly fixed the set. 

Hitachi TV, 57F59A
Reason for Service: No video or weak video. No voltage on the
ABL pin of the fly.
Solution: Replaced open RH28. 

Hitachi TV, 57F59A
Reason for Service: HDMI issues, changes colors, snowy picture,
loss of one or more colors, all white, shuts down.
Solution: Replace Signal Board and make sure software
Hitversion is V201 or higher. 

LG TV, 60LS5750
Reason for Service: After set is on for a few minutes, screen has
many red vertical lines, then picture turns off, but audio remains.
Fix: Replacing T-Con fixed the set.

Panasonic TV, TC-32LX85
Reason for Service: No power.
Solution: Found bad photo opto in power supply. PC7000.

Samsung TV, UN40F5500
Reason for Service: Dead, 2 blink error code.
Solution: Found SM RS802 that feeds the opto was open. Replacing fixed the set. 10 ohm. 

Sony TV, KDL-40V4100
Reason for Service: No video.
Solution: No 12V to T-Con. Replaced U21, (AS15F) on T-Con and replaced F1422/1421 on BU Board.

Sony TV, KV40XBR800
Reason for Service: Dead set.
Solution: Replacing relay RY6502 fixed the set.