LG TELEVISION REPAIR AND TROUBLESHOOTING TIPS


You can find out here if you have the same problems or symptoms of your televison. You can find the other brands of tv with same or similar symptom to get some ideas. Because the tv theory for all brands/manufacturer are same. So, these 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 TV REPAIR TIPS

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  • Lg 20p30 tv/vcr tape pb streaky, head earth
  • Lg 21a50e slow start,c801(220uf400v)
  • Lg 25a50f dead strs67609
  • Lg bn200ib dead psu tripping c109(47uf50v) nr.str, ic
  • Lg cf25a50f field mod tda8350q,c352(22uf50v(was 47uf)c708(22uf(was 47uf)100volts . Fr359(22r)add 0.01uf pins 8 & 9 0.1uf pins 7 & 8
  • Lg cf25a50f pc58a top field collapse tda8350q mod kitpc58a
  • Lg cf25c22f pc58a field collapse mod kit kitpc33j in stock.
  • Lg cf28a50t pc58a flyback lines r351(3k9) nr tda8350q.e.
  • Lg cf28a50t pc58a flyback lines r708, fr704, fr359, q351, q345.
  • Lg cf28a50t pc58a flyback lines tda8350q
  • Lg cf28c22f field collapse fit mod kit kitpc33j(7 parts inc)
  • Lg cf28c22f field collapse mod kit kitpc33j.
  • Lg cf29c42f field collapse mod kit kitpc33j.
  • Lg ci14b50f 11.1 no scart in,,c39(47nf sm)
  • Lg ci14b50f 11.1 stby r410(0r1),d410,ic403 chptx pins
  • Lg ci14b50p toptel124 three screws.
  • Lg ci14b50p beko dead 12vn+8vn+16vn+113vn(145voffload) , r101(4r7) line drv.
  • Lg ci14f66 dead fuse.choptr
  • Lg ci14f80/f beko toptel 154
  • Lg ci20e20 dead bridge,strs5707 +all electrolytics
  • Lg ci20f80f pc18 excess brill, l901 on crt base pcb
  • Lg ci20f80f pc18 excess brill,l901 on crt pcb
  • Lg ci29h40 pc8ka excess brill, ic901 (tda6108jf)cause tube flashing
  • Lg cz20b80 mc-64a dead loptx/loptr
  • Lg cz20e60 11.1 stby no line drive r410
  • Lg di28z12 which has a large black rectangle central within the picture, help ?
  • Lg ke14p2b field collapse tda8350q+cap
  • Lg ke14p2bx dead 4at degauss
  • Lg ke14p2gx combi dead degauss/fuse
  • Lg ke14p2px combi dead fuse degauss posistor(14mq)
  • Lg ke14u73 combi int pic/snd r811
  • Lg ke14u73 combi stby,d850
  • Lg ke14u73 dead on/off switch
  • Lg ke14u73 dead strs6707
  • Lg ki14u71 combi t3.15h c812(820pf2kv) burnt nr choppchip
  • Lg ki14u71 combi t3.15h degauss
  • Lg ki14v38 dead c807(1nf2kv)
  • Lg kitpc33j 1otr988000ac trans. 0.01uf 100v, 0.001uf 2 0.1uf 100v cap 12201/2 resistor
  • Lg kitpc33j c408(0.001uf 25"),c412(0.001uf 28"),j305(220r or across b/e q301)
  • Lg kitpc33j field chip,222uf 100v,2 ru4ds diodes 1221/2 1/2w res. 1331/2 3w res. 12.7k1/2 1w res
  • Lg kitpc33j if link j301 j302 remove them
  • Lg kitpc33j tda8350q,d401(ru4ds) d402(ru4ds) r308(was 10r 33r3w),q301(ktb988b+hsink)
  • Lg mc84 service mode press both ok on rc & tv
  • Lg re28fz10px dead loptr(2sc5446 )cause c488 (330nf200v) c481 (220nf400v)
  • Lg re28fz10px tripping, excessive width c481 (22/400)c488 (10/400)
  • Lg re32fz10px bad convergence corner purity ew, crt base
  • Lg 27lc2r chassis lp61a lcd tv no backlight     check the smd fuse f1 on inverter board for open circuit.
  • Lg 32lc56 lcd tv     picture divided into several parts. Distorted picture     replace t-con board (part number: 218394).
  • Lg 32lc56zc lcd tv no start-up. Standby led flashes from red to green check or replace c202, c206, c217, c218 (all 2200uf/10v) and c226 (470uf/25v).
  • Lg 32lc56zc lcd tv no start-up. Standby led flashes from red to green replace c202, c206, c217 and c218 (2200uf/10v all), and c226 (470uf/25v).
  • Lg 32lc56zc lcd tv stuck in standby check & change c204. If pcb board discolored around r208 then replace psu.
  • Lg 32le2rzj chassis lp61a lcd tv remote control no functions at all. Replace smd capacitor at output of ir receiver.
  • Lg 37lb1da lcd unit keeps on blowing the main line fuse as soon as power is attached to the unit unit had defective rectifier. All diodes shorted in power supply. Replacing diodes returned the set to normal operation
  • Lg 37le2r chassis lp61a lcd tv no start-up.     Replace smd regulator tl431 (u130) in psu.
  • Lg 42pc3ra no sound change ic401
  • Lg 42pc3ra noise appears at rf mode tuner cable not connected well
  • Lg pdp-42x30401 no power 8amps fuse always blown     change  regulator it should back to normal operation
  • Lg pdp-42x30401 no raster replace y-b/d
  • Lg ri28cz10rx 14.2 beko ?goto beko
  • Lg ri28cz10rx 14.2 dead loptx(057834-el2)
  • Lg ri28cz10rx 2sk2381 ew loptx(nokia 003311167 termal)
  • Lg ri28cz10rx beko dead d608
  • Lg ri28cz10rx int brightness,r709(220r),c703(10uf250v)
  • Lg ri28cz10rx int/poor start q402,loptr pins
  • Lg ri32cz10r 14.2 whistle ,l501(051707)
  • Lg ricz10rx no pic sound ok:r529
  • Lg rz15la31 lcd dead dc connector jack
  • Lg rz15la32 lcd int blanks pic,c51,c55(220nf) remove can
  • Service modes remote with saa3010t ic , connect tact switch tween pins 1 & 11
  • Lg we32k10p dead c488(10uf250v),c492(220uf400v)
  • Lg we32q10ip dead relay clicks,ic01 micropro+eeprom
  • Lg wf32a12t mc52c dead c810(470uf16v),ic801(strs6709)
  • Lg wf32a14t dim pic,crt socket
  • Lg rz-42px12x plasma     center horizontal line     change vertical ic

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