[TechAssist] Re: Sony KP-43T70 No HV
- From: Frank Luu <fkluu@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 15 Jan 2003 14:42:09 -0800 (PST)
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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