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RCA Ch # ITC008

Discussion in 'Electronic Repair' started by Charlie East, Nov 10, 2006.

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  1. Charlie East

    Charlie East Guest

    Unit came in dead, H-out transistor shorted, Removed transistor and B+ came
    up to 130 V.( must be a pretty healthy power supply) Check caps and ring
    flyback ok, Installed a new transistor and set came on and looked good. Let
    it play for a few hrs and turn off for the night. Would not come on the next
    morning, H- out shorted again. Replaced flyback and trans, set worked good,
    played a few hours, I turned it on and off several times, everything work
    ok. sent it home. set worked Fri night , all day sat, and sat night, Would
    not come on sunday morning, Cust stated it was working good when she turned
    it off sat night. H out is shorted again., Looks like it must be shorting
    at turn off or something while its off, Anyone got any ideas on this one?
    Charlie
     
  2. David Naylor

    David Naylor Guest

    Change out your safety caps large grey rectangle cap and bright blue
    one next to it.....sorry can;t remember the ref numbers also resolder
    the whole EW board, the one on the right side of the chassic standing up
     
  3. Art

    Art Guest

    If the PCC board is connected with 3 wires and black plastic plugs, remove
    the plugs and hard wire the wires directly form the main pwb to teh PCC
    board. Common problem, the plugs for some reason go high resistance and
    cause all kinds of problems.
     
  4. Searching

    Searching Guest

    Did you finally get it fixed? If so can you post what was the problem?
    You guessed it, I've got
    the same problem.

    *****************
     
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