Question about Televison & Video
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Posted on Jan 02, 2017
SOURCE: Sanyo ST-21G1 dead set
There should be a small valued cap in the primary side (22ufd?) at 250V. Check that. Also, look for other small caps int he range of 2.2ufd with 200V ratings in the same general area.
Posted on May 07, 2008
SOURCE: AKAI MLT168A Power Supply
Here are the values for the parts:
R104 and R105 are 100 ohms 5% 1 watt but you can use 2 watts.
R107 is 200 ohms 5% 1 or 2 watts.
C17 is 2200pF 10% 1Kv.
Posted on Dec 06, 2008
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
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