[TechAssist] Re: Sanyo AVM3680G
- From: "Tech Repair CD support" <support@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 21 May 2002 14:48:01 -0400
Brock,
Check the caps off the yoke, 1µ and a 22/25v, I think.
Jeff
FAX 717-564-4952
Intrepid Video & Electronics
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----- Original Message -----
From: "Tel-Tek Electronics" <teltek2@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 21, 2002 11:44 AM
Subject: [TechAssist] Re: Sanyo AVM3680G
>
> By the sounds of it, hum (60cycle) would indicate problems in your Primary
> power supply, leaky diodes, bad filter, etc. Even defective degaussing
> circuit.If you have B+ fuse, remove, and scope primary supply for 60 cycle
> ripple.
>
> -Ed-
> Tel-Tek Electronics
> Midland, Ont. Canada.
> teltek2@xxxxxxxxxxxx
>
> "Quality will be remembered, long after Price is forgotten"
> ----- Original Message -----
> From: "LeRoy Westlund" <llw@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, May 21, 2002 11:15 AM
> Subject: [TechAssist] Re: Sanyo AVM3680G
>
>
> >
> > You would have to ring it, to check the yoke.
> > I don't have a print, so I don't know about the ohms. It would be a low
> > reading on the Horz. windings.
> > You might try unpluggung it, to see if the hum goes away, but I wouldn't
> run
> > it too long, in that condition.
> >
> > Good luck,
> > LLW
> >
> > LeRoy Westlund
> > Westlund TV & Electronics " I've enjoyed
> > 93 North Main as much of this,
> > Centerfield, UT 84622-0087 as I can stand "
> > Ph./Fax 435-528-3822
> > mailto:LLW@xxxxxxxxxx
> >
> > -----Original Message-----
> > From: mark brock <brock@xxxxxxx>
> > To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > Date: Tuesday, May 21, 2002 7:32 AM
> > Subject: [TechAssist] Re: Sanyo AVM3680G
> >
> >
> > >
> > > Leroy, I'm headin over there this aft. how do I check the yoke,
> > >any idea on ohms?
> > > I don't think its that, or at least there must be something else as
> > >the hum I hear at turn on is through the speakers, I was going to un
> > >solder the audio ic and see what happens because I know some sets will go
> > to
> > >shutdown if it shorts, but thought I better check before I cause more
> > >damage.
> > >brock
> > >Brock Electronics
> > >R.R.4 box 237
> > >Independence Ks. 67301
> > >620-331-0235
> > >fax 331-7191
> > >
> > >brock@xxxxxxx
> > >mailto:brock@xxxxxxx
> > >
> > >-----Original Message-----
> > >From: LeRoy Westlund <llw@xxxxxxxxxx>
> > >To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > >Date: Monday, May 20, 2002 10:22 PM
> > >Subject: [TechAssist] Re: Sanyo AVM3680G
> > >
> > >
> > >>
> > >>Mark,
> > >>There are a lot of yokes shorting out on the 25,27, & 32 inch Sanyo TVs.
> > >>Maybe you should check the yoke on this 36" puppy.
> > >>If yoke is bad, also check the small ohmage resistor R007 (3.7 or 5.6
> ohm)
> > >>off the reg. IC. They also open up, and cause poor Volt reg. problems.
> > >>
> > >>HTH
> > >>LLW
> > >>
> > >>LeRoy Westlund
> > >>Westlund TV & Electronics " I've enjoyed
> > >>93 North Main as much of this,
> > >>Centerfield, UT 84622-0087 as I can stand "
> > >>Ph./Fax 435-528-3822
> > >>mailto:LLW@xxxxxxxxxx
> > >>
> > >>-----Original Message-----
> > >>From: mark brock <brock@xxxxxxx>
> > >>To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> > >>Date: Monday, May 20, 2002 8:26 PM
> > >>Subject: [TechAssist] Sanyo AVM3680G
> > >>
> > >>
> > >>>
> > >>>Chassis G5D3680G2, dead, customer heard a pop then it quit, I
> can't
> > >>see
> > >>>any bad caps or carbon burns on any chip, not sure where the pop came
> > >>from,
> > >>>There is a loud hum ( like 60 hz ) out of the speakers when first
> turned
> > >>on
> > >>>then shuts down immediately, I've no print, not sure where the
> always
> > >5v
> > >>>is measured, and pretty much lost on this 36" brute, any advise, have
> > to
> > >>>fix it there this week or lug it home, would rather not have to hire
> > help
> > >>>to move it . The filter cap is ok, ( I changed it anyway ) will a
> > >bad
> > >>>audio ic shut these models down ?
> > >>>
> > >>>brock
> > >>>Brock Electronics
> > >>>R.R.4 box 237
> > >>>Independence Ks. 67301
> > >>>620-331-0235
> > >>>fax 331-7191
> > >>>
> > >>>brock@xxxxxxx
> > >>>mailto:brock@xxxxxxx
> > >>>
> > >>>
> > >>>
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