[TechAssist] Re: Toshiba 43H71 repeat vertical failure
- From: "Adolph Gower" <agower@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 9 Jun 2004 08:39:03 -0700
I do not have the information on the 43H71 but onthe 43H70 Vertical ic Is
Q306 = 23319787 IC LA7833S som sets will not work with a replacement and The
"S" after the number may be very inportant.
I have found that a Mitsubishi has special Vertical outputs.
Have you used the Toshiba Part!! 2331987
Cordova TV
Adolph Gower
10275 Old Placerville Rd. Suite 5
Sacramento, Ca. 95827-3044
ALL BRAND USED PARTS
Fax (916) 363-6565
Phone (916) 363-6565
E-mail agower@xxxxxxxxxxxxxxxxxx
----- Original Message -----
From: "Ohio Consumer Electronics" <jj@xxxxxxxxxxxxxxxx>
To: "Tech Assist" <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 08, 2004 12:31 PM
Subject: [TechAssist] Toshiba 43H71 repeat vertical failure
> Set came in with no vertical deflection. Replaced LA7833 and it looked
fine.
> About three weeks later it's back with same problem. I put in a new
LA7833
> and it blew immediately! I couldn't find any other problem so I figured
> maybe a bad new part so replaced it again and it worked ok this time. Ran
a
> bit hot after a while but that's normal with these newer cost reduced
> designs. I sent it home. Well 1 week later and it's back again! Same
> problem. Customer said it played all day the day before but today it
played
> only 10 minutes and went out. The LA7833 would not have been that hot
after
> only 10 minutes so I don't think it's a thermal problem - that and the
fact
> that one blew right away. I can't find any bad connections anywhere. I
> really need some help with this one, the customers been pretty good about
it
> so far but I think this may be my last chance to get it right...
> I'll appreciate any tips/suggestions - Thanks Much!
>
> Joel Jacobs
> Ohio Consumer Electronics
> Pickerington, Ohio
>
>
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