Panasonic TV/VCR w/bad color

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village idiot
Panasonic TV/VCR w/bad color

Hi Everyone!Smile 

A friend gave me her Panasonic TV/VCR combo, model # PV-C2061, when she got a tape stuck in it.    She had poked all kinds of stuff into the tape area, trying to get the tape out.  When none of that worked, she just went out and bought a new TV---must be nice!

My dad pulled the tape right out with needle nose pliers, but the VCR doesn't work.  I didn't care.  I just needed a TV.  BUT..... my uncle came for a visit, and being an old electrician - aka - not completely familiar with new technology, took apart the TV and VCR, and fiddled with the VCR for hours, but did not get it fixed.  Again, don't care about that.  I don't need a VCR.

But, when he put the TV and VCR back together, the color on the TV was very green.  No blue skies, no blue oceans, no blue anything.  I reset the unit to the factory settings, still nothing.  Dear uncle fiddled some more at the back of the TV, trying to fix the color, but never got it fixed.  I adjusted tint, color, all settings, every which way.  Still no blue.  The picture was absolutely wonderful, before he tried to fix the VCR.

I feel like sobbing. I'm home bound, and do not have money for a repair man.  I desperately need a TV.Cry  My uncle knows about the convergence and other tint related things.  I think he just did not know where to look.

Any help, PLEASE?!?!?

Thanks, Village Idiot

Larry Dillon
In a case such as this it is

In a case such as this it is a hard call as its most likly a man made problem, and those can be some of the hardest to fix.  Lets start by first looking at the CRT(picture tube) board.  This is where most grey scale problems are.  Its where the drive for the red, blue and green signals come from the main video processor IC.  It has alot of High Voltage on it though, so someone with no electrical or electronic background should not be messing with it.  That said and done,  with the set unplugged, look carefully at the componets on the crt board.  See if anything got shorted together bent or broken.  Make sure all of the plugs and wires are attached.  Check where the crt socket connects to the board for small cracks on the solder connections.  If all that looks good, follow all the wires down to the main printed circuit board.  Make sure also that the plugs and connections are fully seated and not halfway out.  If all looks good, then its time to break out a multimeter and compare the drive voltages on the CRT board to one another.   There will be three standoff transistors on that crt board.  measure the middle lead on all 3 transistors.  If one is higher then the other, there is an open somewhere between the transistor and the CRT socket or the stransistors bad.  If the voltage is lower then the other two then there is an open between the video IC and the transistor or the B+ going to the transistor is missing.  See if that helps your Uncle.  Good Luck and please let us know if he fixed it for you.

village idiot
Wow, thanks Larry.  I know my

Wow, thanks Larry.  I know my uncle will be able to check all of this out.  He will not be back for a few weeks, but I have printed out your response, and will give it to him when he comes back.  I'll let you know how things turn out.  I really appreciate your time and help.

Village Idiot

 

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