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the lcd is off and on
Problem for Sceptre X9G Komodo IV (Black) 19 in. Flat Panel LCD...
Sceptre X9G-Komodo IV
This monitor is identical to the planar pe191m. "anyone care" posted he/she had repaired 15 of these with 2 bad caps in the power supply. I have 4 of these monitors and was wondering if "anyone care" or any one else could suggest which caps normally cause this problem?
Comments:
Sep 08, 2007
- Thanks much...I'll get back.Same Problem
Mar 10, 2008
- The monitor simply flashes the power on indicator and goes of. It ***** comes on again except you pull out the power cord and put it back. I was able to observe a twiching sound on the power board indicating inability to of a gate closing after a current flow. It is absolutely difficult to get components her i Georgia. My guess is far from one of the transitorized diodes or the only 4 leg IC "U103" on board. If I can find these two components, I will be fine with the fixing.- AmescoSolution #1
posted on Sep 08, 2007
I recently came accross one of these monitors (Planar PE191M) with the identical issue. The resolution was to replace the two 470ufd 25V capacitors that are located on the main power board. The main power board also contains the audio circuit and more importantly the inverter circuit that drives the CCFL backlighting. The suspect caps were identified using an ESR meter; if you happen to have one of these meters you can confirm this is the issue with your unit(s), alternatively you can just replace the two capacitors and see if it resolves your issue. Hope this info helps someone out there.
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