[TechAssist] Re: Sony KP-43T70 No HV
- From: "Satguy" <satguy@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 15 Jan 2003 22:21:49 -0700
Is Q502 shorted when this happens because Q502 is not shorted.
Shaun
Advanced Electronics
Fort Morgan, CO 80701
(970) 867-3124
satguy@xxxxxxxxxxxxx
----- Original Message -----
From: "Frank Luu" <fkluu@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 15, 2003 3:42 PM
Subject: [TechAssist] Re: Sony KP-43T70 No HV
>
> Shaun:
> This is a very common problem for this unit:
> Q502 bad due to bad flyback transformer.
> Good luck
> Frank Luu
>
> --- Shaun <satguy@xxxxxxxxxxxxx> wrote:
> > I am working on a Sony KP-43T70 that when power is
> > applied to it it pegs my variac for a second then
> > goes down. The red power lighgt on the front stays
> > on all the time. I replaced IC 601 regulator and no
> > change. If I disconnect CN801 from the power supply,
> > the power supply will stay on. CN801 is the
> > connector that connects the power supply board to
> > the board with the tuner on it. I do not have a
> > schematic for this unit so any help would be great.
> > TIA
> >
> > Shaun
> > Advanced Electronics
> > 120 E. Burlington Ave.
> > Fort Morgan, CO 80701
> > (970)-867-3124
> > ssroark@xxxxxxxx
> >
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