[TechAssist] Re: Mitsubishi VS-45VA1 No vertical sweep

  • From: "Old Damon" <damon101@xxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 20 Feb 2004 22:51:19 -0500

Did you check pin 1 of La 7838 for 10 volts?? Without it the vert saw
generator won't operate.

Damon Brunger
Telrad Electronic Services
Ft Wayne, IN 46815

----- Original Message -----
From: "Gerald Gann" <alpha21century@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 20, 2004 6:30 PM
Subject: [TechAssist] Mitsubishi VS-45VA1 No vertical sweep


> Mod. VS-45VA1
>
> Systems: No vertical sweep. Changed IC401 LA7838 Did no good. Changed
three capacitors looks like fluid leaked out. C5003 10uf @ 50, C400 100uf  @
50V and  C403 1uf @ 50V. No help. This is hard to explain. It's like bowed
looping lines going lift to right and not together spread apart. One for
each color. Any one seen this before.
>
> Jerry
>
> Alpha 21 Electronics
>
> Granite City, IL 62040
>
>  Ph. 618-452-8620
>
> Fax 618-876-5157
> www.alpha21century@xxxxxxxxxxxxx
>
>
>
>
>
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