Question about Magnavox Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: PDP42V18HA No picture, but voice
Planars can be difficult televisions to work on. The company is really only a shadow company that doesn't have any parts or service literature.
That being said, you probably have a shorted bridge rectifier on this TV. That was more than likely the pop you heard. If you have electronics experience, check the secondary on the power supply, specifically the feeds for the X and Y SUS. Also, there are always bad capacitors in these sets, so it might have been an electrolytic capacitor exploding.
If you don't have electronics experience, and have a competent repair shop nearby, they may be able to get you back up and running again for under $200.00. But they may not guarantee it to stay working for any length of time.
Hope this helps you...
Posted on Jan 08, 2009
Your filter capacitors have popped due to diodes shorting, P-channel FETs shorting from gate-to-drain. Pull-up resistors have changed value and as a result your capacitors have peaked (popped)....so now the tv is in protection mode to prevent further damage to your tv. Take it to your local shop for servicing, or take it back if its under warranty......
Posted on Nov 05, 2009
Ur LCD inverter board it dead.Replaced this board u will get ur picture back.Tries websites like shopjimmy.com,Ebay.com to buy a refurbish LCD inverter board for the replacement.It a long shape board.
Posted on Apr 26, 2010
The power supply module will be the first place to look, it may have bad DC filter caps, blown or burnt parts, cold solder joints, etc.
Here is the service manual:
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
Please post back what you find.
Posted on Jul 28, 2010
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