[TechAssist] Re: Sanyo AVM2753
- From: "Video Clinic- Pana" <videoclinicpana@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 14 Feb 2002 20:17:55 -0600
I had a similiar problem last week there is a cap on the primary of the
horizontal driver transformer 1 mf @ 160 volt.. check that and also under
the hot resistors ther is a .047 disk cap that was bad on mine. there are
two more caps at the ic were the horizontal drive is coming from that were
also bad ..small ones but changes the waveshape of the horiz drive signal.
the emitter of hot is going to ground thru the big resister and the .047 is
parallel with it mine would run ok for about 15 minutes then blow the hot
again.. after replacing and checking all caps in the path of horizontal
drive signal it was running only warm and was linear sweep also. i thought
it was a yoke and when i replaced that ther was no change but i have found
bad yokes where the glue holding the wedges made contact with the coils and
corroded the wires hope this helps.
roy aka videoclinicpana@xxxxxxxxx
----- Original Message -----
From: <javiles929@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 14, 2002 1:48 PM
Subject: [TechAssist] Sanyo AVM2753
> ok guys i got this set dead with only a click on relay. Check HOT and was
> leaky and R008, R009 was getting too hot. Replace both resistor and HOT
and
> tv turn on. Now the set is narrow from the right side, top,bottom and left
> side look ok. Only problem now is that the R008, R009 still get too hot
and
> tv shut down. Can not check for any other component due to the fact that
if i
> keep turn in on the set it will short the HOT. It happen already and i had
to
> change the HOT. Any idea what causing this new problem. Your help is
> appreciated in advance.
>
>
> Aviles Computer & Tv Repair
> Bronx, NY 10452
> Fax # 1-718-681-3117
>
> Jose
>
>
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