My RCA 52" MM52110 projection TV will not power up from the remote or from the button on the front of the unit. Based on my internet searches, this is a common problem. How can I fix this myself, since it is not under warranty any longer? I have a friend who is TV-electronics-savvy, but he needs a schematic to be able to troubleshoot it. Where can I get a schematic? I have tried several web sites and they don't have the schematic, since (they tell me) it is only provided to authorized RCA service/repair centers.
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Re: RCA Projection TV MM52110 Won't Power Up
Being able to read a schematic and understanding how a TV works are two different things. These chassis that RCA used in these sets can be somewhat complex to troubleshoot. I would geuess that unless the power light comes on at all then you have a dead power supply in the TV.
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Do you mean is it a fuse? Because if the fuse is blown that means more than likely there is something else wrong with it...probably in your power supply. What I recommend is to plug it in and listen for power (high pitched buzz), if you cant hear that...it could be anywhere from a diode to the HOT. If you have an om meter, I suggest checking thos first. What happened before it went out? and are there any LEDs that turn on in the front?
I'm going to take a stab at this out of the dark but okay! 1) is there an 'Aspect' or a 'picture size' button on your hand held remote control? 2) If you scroll through your 'On Screen Menu's' do you find a feature that will change the aspect or picture size? Many of these TV's have this button feature on the remote control. Blessings, A/V Media Tech Guy