[TechAssist] Re: Technics - Integrated Amplifier - SU-V98 - PowersUp - No Output
- From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 10 Nov 2005 17:49:40 -0500
Thanks Gary but I do have power in this case. If the SVI3205 power amp
module is shorted the main fuse would blow when the unit is powered up. What
I need here is a schematic.
David Lessard
mr_fixit@xxxxxxxxxxxx
Alexandria, Ontario, Canada
----- Original Message -----
From: Gary McCartney <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 10, 2005 5:20 PM
Subject: [TechAssist] Re: Technics - Integrated Amplifier - SU-V98 -
PowersUp - No Output
> David, found this:
>
> TECHNICS SUV98KM1 no power or output replace shorted ic501
> svi3206d power amp, r701 47/1/2w, resolder jack packs
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
>
> David Lessard wrote:
> > Hello All,
> > This unit turns "on", display is present and I can select different
inputs yet there is no output. Main output IC is one of those SVI-3205
(replaced by SVI-3206), I've worked on a couple of these in the past, one
where the outputs were blown (this caused main fuse to blow), the other unit
required extensive resoldering. In this case I don't hear the speaker relay
engaging, this should occur a few seconds after power "on". I've resoldered
all questionable ring cracks in and around power resistors, diodes, etc. and
still the relay doesn't engage. I could use a service manual to further
debug this problem, unless of course one of you have experienced this same
problem, please do tell.
> >
> > God bless you all,
> > David Lessard
> > mr_fixit@xxxxxxxxxxxx
> > Alexandria, Ontario, Canada
> >
>
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