Question about Audio Players & Recorders
I have several board components burned out that need replacement & I need the component schematics in order to repair the board
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Posted on Jan 02, 2017
You have something in short circuit in power supply pattern, so filter coils are burnt. It may be voltage regulator, or regulating transistor, electrolytic capacitor or even shorted diode at pwr. input serving to protect in case of inverse polarity applied. Check all for short. Was it reverse polarity or overvoltage occured?
Posted on Mar 14, 2009
Polaroid will not release component schematics not even to service centers as they are designed to replace the entire modules while under warranty out of warranty there is very little Chance of obtaining new replacement parts. As i have a 2006 LCD and a 2007 Plasma Polaroids and polaroid told me they are considered a disposable TV replacement parts are not available and suggested that I try ebay
Posted on Apr 29, 2009
You can get repair instructions for the Dell E172/E151FP at ezinearticles.com and order transistors at AnBparts on ebay.
Posted on Sep 05, 2009
Its been a while since i worked on that power board. But I believe you are refering to the orange diode that runs into the single connector for the video board next to the power supply. I replaced mine with a 1n914 diode after replacing the 2200uf lytic cap and the tv fired right up.
Posted on Sep 11, 2009
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