From: rmowery42@charter.net   
      
   In article <20220723-163353.893.0@Peabody.ssl-us.astraweb.com>,   
   waybackNO584SPAM44@yahoo.com says...   
   >   
   > Well, I had a major setback trying to diagnose the repair.  Last night I   
   > set it on the dining room table, face down, and this morning I did the   
   > flashlight and audio test again before even taking the back cover off,   
   > just to confirm the video and audio were still working.  But after about 30   
   > minutes, the TV started working again.  All the backlights came on, and the   
   > picture is perfect.  This is the behavior the owner reported - it might   
   > get backlight at any time, or it might not.   
   >   
   > I measured 267V between BD9101 and J858, so that's the benchmark in case it   
   > dies again.   
   >   
   > So I don't know how you diagnose anything when it's working properly. We   
   > tried tapping on every part and connector on the power board, but not even   
   > a flicker in the lights.   
   >   
   > Both sides of the power board look perfect - not a hint of a bad solder, no   
   > domed capacitors, no brown marks.  The connector to the LEDs (CLN802) has 7   
   > black wires and one blue wire, and a legend that doesn't seem to match the   
   > connector.   
   >   
   > In any case, I will let it cool down, and see how it powers up.  I guess I   
   > could remove and test all the electrolytics, but there are a lot of them.   
   > Same for the diodes.  But it seems it could be anything.  Major bummer that   
   > it's working.  :-)   
   >   
   >   
   >   
      
   If it does not power up, you may try heating the capacitors one at a   
   time.  I have seen that work on equipment that comes on after the set is   
   powered up for a while if the capacitor is bad.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)