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Toshiba repair help!

 
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cedwaechter



Joined: 10 Dec 2012
Posts: 68
PostPosted: Mon Jan 05, 2015 8:02 pm    Post subject: Toshiba repair help! Reply with quote
I am working on a Toshiba VP100 and am having a problem. The player loads correctly and starts properly. It runs smoothly, is very quiet and in great condition so I don't want to give up yet. The servo motor that drives the gears to move the stylus arm will not start. I have replaced this motor from a parts player once already and still no good. The belts are new and I installed the converted turntable pulley from CBERTA. Every once and a while the stylus arm gears start up, but they run backwards like the return button is being pressed on the control panel and that is as far as I can get. No switches look to be stuck. What are the chances the board is bad? Testing it is beyond my abilities and could use some help! If it is bad, does anyone have a parts unit I could try. Blindfury sent me one and I have scabbed parts off it but it is a Ward's player, so the main board is a bit different. Any help would be appreciated.
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SelectaVision420



Joined: 25 Mar 2012
Posts: 1424
Location: Hartford
PostPosted: Mon Jan 05, 2015 8:08 pm    Post subject: Reply with quote
the board might not be bad per-se, it might just have a bad solderjoint somewhere
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(2)Sears 274 & 934(80150,10&11350), sft100, sgt250, sjt 090-400, vp550, VDR3000, VP2000 & 4000
complete '84 Dimensia Owner
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cedwaechter



Joined: 10 Dec 2012
Posts: 68
PostPosted: Tue Jan 06, 2015 4:37 pm    Post subject: Reply with quote
Is there a way to track down where the solder is bad? I can fix the easy stuff buy when it comes to troubleshooting circuit boards I have no clue.
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SelectaVision420



Joined: 25 Mar 2012
Posts: 1424
Location: Hartford
PostPosted: Thu Jan 08, 2015 5:26 pm    Post subject: Reply with quote
mainly its a visual thing, you just have to get up close and see if all the soldered points have any breaks in them, other than that you would need test equipment like a multimeter and stuff
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(2)Sears 274 & 934(80150,10&11350), sft100, sgt250, sjt 090-400, vp550, VDR3000, VP2000 & 4000
complete '84 Dimensia Owner
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