You can find out here if you have the same problems or symptoms of your LCD televison. you can find the other brands of lcd tv with same or similar symptom to get some ideas. Because the LCD tv theory for all brands/manufacturer are same. So, these LCD tv repair tips are suitable for use as a reference.
Note: These troubleshooting tips are not guarantee that you can fix your unit right away and won’t solve all the component problems you may run into, but they should solve a good number of them. Servicetron.com is not responsible for any damage as a result of following any of this advice.

Lg 37le2r: no start-up
model/s: lg 37le2r chassis lp61a lcd tv
symptom: no start-up.
Cure/solutions: replace smd regulator tl431 (u130) in psu.

Lg 27lc2r: no backlight
model/s: lg 27lc2r chassis lp61a lcd tv
symptom: no backlight
cure/solutions: check the smd fuse f1 on inverter board for open circuit.

Lg 32le2rzj: remote control no functions at all
model/s: lg 32le2rzj chassis lp61a lcd tv
symptom: remote control no functions at all.
Cure/solutions: replace smd capacitor at output of ir receiver.

Lg 32lc56: picture divided into several parts. Distorted picture
model: lg 32lc56 lcd tv
symptom: picture divided into several parts. Distorted picture
cure/solution: replace t-con board (part number: 218394).

Lg 32lc56zc: no start-up. Standby led flashes from red to green
model: lg 32lc56zc lcd tv
symptom: no start-up. Standby led flashes from red to green
cure/solution: replace c202, c206, c217 and c218 (2200uf/10v all), and c226 (470uf/25v).

Lg: no start-up. Standby led flashes from red to green
model/s: lg 32lc56zc lcd tv
symptom: no start-up. Standby led flashes from red to green
cure/solutions: check or replace c202, c206, c217, c218 (all 2200uf/10v) and c226 (470uf/25v).

Lg: stuck in standby
model/s: lg 32lc56zc lcd tv
symptom: stuck in standby
cure/solutions: check & change c204. If pcb board discolored around r208 then replace psu.

Lg: "no signal" displayed
model/s: lg 32lc45 lcd tv
symptom: "no signal" displayed. No sound and no picture. Backlight and osd menu ok. Led is green color light.
Cure/solutions: try to update firmware if not then replace main signal board.

Lg: no power
model/s: lg 47lf66 lcd tv
symptom: no power
cure/solutions: change c202, c206 and c217 (all 2200uf/10v) on ip board (power supply inverter board).

Lg: negative picture and no sound
model/s: lg 47ly95 chassis ld75a lcd tv
symptom: negative picture and no sound.voltage low at pin 7 of connector p202.
Cure/solutions: check q202 (ap72t02gh), u203 (apu3037m), q203 (ap60t03gh) and connector p202 in
psu. Also check or replace c221, c222, c223 and c232.

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