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LG 26LC55 - No picture

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Turnip:
Hi folks,

Have one of these in where at switch on, screen is illuminated darkly and with no sound  off-air or various inputs - Can't be sure AV is selected, but Scart auto-switch normally sorts it. Also tried Scart out - Nothing.

Changed the T-con - no difference, and both T-con fuses remained OK.

Checked supplies to main - all seem OK, and as set toggles on and off, have run out of ideas.

Don't have info on Chi-Mei V260B1-L03 screen problems, although V260B1-L11 were a real pain.

Any thoughts ? - Chris.

watteau:
Hi,
Capacitors on the main, signal board are getting common for various faults
on this model (usually the 100ufd's), check for ripple on LT lines, or use a cap.
tester.
Regards

downunder:

Cant vouch that the 37LC55 resembles that remark, but on that model C901 and C533 on the main pcb are troublesome.

Turnip:
Thanks, Watteau and Bruce,

Had a look at the PS where some caps seem to have been replaced with odd 80 degree types, and on long legs as they were too fat to fit - will check them out, and those M/B caps C901/C533

Thanks again - Chris.

Later - Checked the Main, and at least 25 SMD (mostly 100/16) caps had high ESR - Never found C533 though.

Heaps of SMD caps from China (22/47/100) on the way - curious to know the ESR of new caps.

michael first:

 Hi,some time back Tony gave a solution for that issue really common on this chassis;have a look at

 this!

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