[TechAssist] Re: Mitsubishi C4A29 blown
- From: "Adolph Gower" <agower@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 2 Dec 2003 04:56:08 -0800
B+ running to high ? check voltage level at the caps that blew!!!
Adolph Gower
Cordova TV
10275 Old Placerville Rd. #5
Sacramento, Ca. 95827 (916) 363-6565
----- Original Message -----
From: "markbrock" <markbrock@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: 2003Äê12ÔÂ1ÈÕ 18:35
Subject: [TechAssist] Mitsubishi C4A29 blown
> PTV MOdel VS4517S customer said had a high pitch squeel, fired it up
and
> saw C4A29 bulge and smoke, replaced it and checked all around Q4A02, 03,
05
> all ok, diodes in area ok, fired it up , and the cap blew again, this
> time shorting Q4A02, and 03, replaced them both and Q4A05, C4A29, and
> 4A25 ( from tips ) now I'm a little gun shy about fireing it up agian,
> anything else I need to check, would the fbt cause this ? can't ring it,
> was wondering if the Q's were weak ? appreciate any help, I've no print
> brock
> Brock Electronics
> R.R.4 box 237
> 5208 cr.3385
> Independence Ks. 67301
> 620-331-0235
> fax 331-7191
>
> markbrock@xxxxxxxxxxxxx
> Zenith*Philips*Peavey*Fender*Crate
> we work on all brands,makes,models
> of anything that plugs in the wall
>
>
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