Found capacitor in hv area burned and replaced. I have seen a lot of these in my shop and the result is the same....once the capacitor is replaced the set fires up but tyhere is always a phase problem with the picture and a tear. What else needs replacement?
The Zenith Tv I'm working on is model B36A24Z and it also had the burning smell with the smoked capacitor in the horizontal circuit. In this tv the thermistor also bit the dust. I need a value and/ or part number for both of these components.
Comments:
Mar 07, 2008
- The problem is that the ceramic disc capacitor does not have a value shown on it. There are two of these capacitors in that area and the schematic id's are CX3212 and CX3213. Could you give me a value on these with info?
Need the board locations of the parts your needing the info on. Such as cxxx or Rxxx stamped on the PC Board.
Comments:
Mar 07, 2008
-
the schematic doesnt list CX3213 it list cx3212 and CX3215 as ceramic caps. here is the specs and part numbers. check the board location if CX3215 isnt the correct one CX3212 Part # 022-08386-05 560PFD 10% 2000V ceramic
CX3215 Part # 022-07786-10C 470PFD 10% 500V ceramic
The capacitor is burnt becuase the temperature rating is not proper. If a 75°C Capacitor is used somewhere which requires it to withstand upto 95°C then it will be a toast. Examine the capacitor you will find something like 8000μF, 75V, +90°C . Just get another with the same values. As for the thermistor i would strongly advice you visit the link below. They have genuine replacement parts and you just need to specify the tv model and they will get you the parts. Also i would suspect the capacitor is a toast because of the thermistor. When the thermistor failed(or malfunctioned) there's nothing to control the temperature and the cap just burnt up. Just visit the link and ask for a replacement Thermistor. http://www.sourceesb.com/Distributors/Zenith.asp
Comments:
Mar 06, 2008
- PS:Do not attempt to turn the set on without replacing the THermistor.
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