[TechAssist] Re: Mitsubishi CS-40503 has intermittent Vertical collapse after warm-up.
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 5 Mar 2004 15:01:40 -0500
Last one I did was cracked connections , try removing the solder and
inspecting for a cracked solder pad.
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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MITSUBISHI CS40503
Vertical Vertical Sweep Intermittant
Tv-Tek
R468 (1ohm 2w) Open, Changed Value, Or Solder Conec
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MITSUBISHI CS40503
Vertical Deflection : None
Jeff Stielau : 9/26/03 : Shoreline Electronics Repair
Cracked Solder Connections On Vertical Ic La7833
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=================================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
(860)399-1861
(860)664-3535 FAX
jstielau@xxxxxxxx
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----- Original Message -----
From: "LeRoy Westlund" <llw@xxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Friday, March 05, 2004 2:53 PM
Subject: [TechAssist] Mitsubishi CS-40503 has intermittent Vertical collapse
after warm-up.
> Hi members,
> This Mitsubishi model CS-40503 has an intermittent vertical problem, after
> warm-up.
> I re-soldered all pins on the LA7833 vertical IC even though they looked
OK,
> and could find NO bad connections in the 400 series area. I replaced ONE
> e-cap 100 @ 35, even though it tested OK.
> I am going to order a new LA7833 vertical IC, but for some reason, I don't
> think it will cure the problem. I see a couple of Tantulam caps in the
area,
> but I think those kind of caps never go bad,..and of course in this case
> they test good.
> Does anyone have any case history of a vertical problem on this set ?
> Also,...does it have a PIP module in it ? ( I don't recognize any.)
> Video looks good anyway, so I wouldn't suspect a PIP problem.
>
> TIA,
> LLW
>
> LeRoy Westlund
> Westlund TV & Electronics
> 97 North Main "At least I'll go down
> Centerfield, UT 84622-0087 swingin,......what a swingin
> Ph./Fax 435-528-3822 way to go."
> mailto:LLW@xxxxxxxxxx
>
>
>
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