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LG M227WD

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kumarj:
The plot thickens.....I seem to have lost all output voltages from the various IC's (1102/04/05/07).They were there yesterday! Even the optical does not light up any more! There is still voltage going into them 5/15v but only mV coming out. Top of the list in the service manual is IC1102. Is it possible that IC1102 has completely broken down? Where is the best possible place to buy this IC? I have seen it listed on a popular auction site.

Regards,

Jet

kumarj:
Just to let you all know I have finally repaired this tv!!!!! The fault was IC1102 which was showing correct output voltage but must have had a ripple on it ( I only have a multimeter). The voltage from other IC's according to the service manual was correct which threw me more. The voltage then went missing so I swapped this IC with another one (IC1104) exactly the same to confirm this chip was the culprit. I carefully used a hot air gun as it is soldered underneath to replace the IC and then the voltage returned (IC1102) and now the voltage on IC1104 was missing. So I got my mate to order the chip from a well known auction site and it took over a month for it to come (from China) and hey presto, the tv worked perfectly. It only cost a fiver so it was worth a gamble! I would like to thank Tony and Jordan for their assistance as without their help my mate would be dropping this tv down the council waste recycling! Sorry this is a bit long but I wanted it to be clear and hope it will help someone.
 
My mate was happy!

Regards,

Jet

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