Question about InFocus Televison & Video
I own a 61" InFocus LCD TV, I believe the model number is 61md10? When powered on, the picture comes up for about 15-30 seconds. Then the picture freezes, and the TV powers off. It then continues to try to reset and power back on, but it is unable to. The lights on the front panel blink a few times, and it shuts off again. If you let it continue, it will eventually bring the screen back up... but only for about 15 seconds and the cycle begins again. I hope that you can assist.
Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board..
Posted on Jun 04, 2017
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Posted on Jan 02, 2017
SOURCE: No picture, but power is on...
How many times does the POWER led blink per sec? (dont worry about the OPC)
2x = power supply (not as expensive to fix)
3x = Main board (expensive to fix)
Posted on Mar 14, 2008
SOURCE: Power problem
Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672.
Posted on Jan 31, 2009
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