[TechAssist] Re: Sony KP-43T70 No HV
- From: "Satguy" <satguy@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 16 Jan 2003 08:16:05 -0700
I do not have a schematic but the audio chip looks ok and does not have
shorts between pin outs on it. The horz output is not shorted. I can't find
anything shorted.
Shaun
Advanced Electronics
Fort Morgan, CO 80701
(970) 867-3124
satguy@xxxxxxxxxxxxx
----- Original Message -----
From: "Frank Luu" <fkluu@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 16, 2003 7:21 AM
Subject: [TechAssist] Re: Sony KP-43T70 No HV
>
> Shaun:
> Did yor check Audio output IC on A board.?
> Frank
>
> --- Damon <DAMON101@xxxxxxxxxxxxxx> wrote:
> >
> > Shaun, do you get any blinks of the LED during
> > startup? I'm not concerned
> > about what it does to your Variac, for all I know it
> > could be set to 1 A.
> >
> > 2 Blinks = 130V OCP
> > 3 Blinks = 130V OVP
> >
> > Any HV? 4 blinks is Vert failure.
> > What voltages are on CN801, sorry I'm Quick-Checking
> > your problem with the
> > Sony TVP-10 training manual.
> > This tv has all sorts of Power supply protection on
> > 5V, 11V, 18V, 130V and
> > even audio power (6 blinks).
> >
> > Does the LED blink at all???
> >
> > Eenie Meenie Chili Beanie.....the TV is about to
> > speak.....
> >
> > Damon Brunger
> > damon101@xxxxxxxxxxxxxx
> > Telrad Electronic Services
> > Ft Wayne, IN 46815
> > ----- Original Message -----
> > From: "Satguy" <satguy@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, January 16, 2003 12:21 AM
> > Subject: [TechAssist] Re: Sony KP-43T70 No HV
> >
> >
> > > 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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