[TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - Followup
- From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 24 Feb 2004 15:28:15 -0500
This model is similar to AVM-2751, does anyone have a scan of the
schematic they could spare. I'm losing hair trying to figure this out.
Relay was removed, replaced it with another one, removed EEPROM, checked
every single diode and transistor, the problem may be with the micro but
I'm not sure about anything anymore. Please help.
Thanks,
David Lessard
Alexandria Electronics
50 Harrison Street
Alexandria, Ontario
K0C-1A0
mr_fixit@xxxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of David Lessard
Sent: Tuesday, February 24, 2004 12:27 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - Followup
Jeff,
Removed the EEPROM - no difference. Do you or any other members have a
schematic for this model?
Thanks,
David Lessard
Alexandria Electronics
50 Harrison Street
Alexandria, Ontario
K0C-1A0
mr_fixit@xxxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Intrepid Video
Support
Sent: Monday, February 23, 2004 9:49 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - Followup
As mentioned, I believe this relay is for the degaussing...
Hows about the EEPROM?
Remove the EEPROM and see if the set comes on/off.
Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "Jim Shupe" <jim@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, February 23, 2004 4:07 PM
Subject: [TechAssist] Re: Sanyo TV - DS27510 - Won't turn OFF - Followup
whack the relay... it's probably stuck.. I've seen a
lot of Sanyo and Panasonic with this problem.
Jim Shupe, CET
Yucca Valley, CA
jim@xxxxxxxxxxxxx
--- Terry J Hutchison <sony1@xxxxxxxx> wrote:
> Fixed one like that about a year ago. Don't have
> prints but look at the
> small transistors right around that relay area, one
> of them is probably
> shorted or open. I am sure that is your problem.
> Terry
>
>
> > [Original Message]
> > From: Bob@Bobs tv <woodman1@xxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Date: 2/23/04 9:35:21 AM
> > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF - Followup
> >
> > Dave,
> > I would try removing the relay...Then your
> 100% sure its not
> that...
> > I did the same thing with the Panasonic, testing
> relay transistor, pulse
> > from micro...then I removed/replaced the relay and
> that took care of the
> > problem...Panasonic was doing EXACT same thing as
> your Sanyo...{I thought
> it
> > can't be relay as it clicks on/off}
> > Bob,
> >
> > Bobs TV Worcester, ma
> >
> > woodman1@xxxxxxxx
> >
> > Main 508-853-1482
> > Fax 508-853-1480
> > ----- Original Message -----
> > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Saturday, February 21, 2004 12:20 PM
> > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF - Followup
> >
> >
> > > Customer dropped off TV today. When plugged in
> HV fires up but with no
> > > picture. Hit the ON button and there is a
> picture with sound, turn TV
> > > off and audio goes off but picture remains.
> Checked the relay and its
> > > not stuck. This TV has a surface mount micro on
> the foil side of the
> > > PCB, what I need is information on the relay
> circuit from the micro to
> > > the relay please.
> > >
> > > Thanks.
> > >
> > > David Lessard.
> > >
> > > Alexandria Electronics
> > > 50 Harrison Street
> > > Alexandria, Ontario
> > > K0C-1A0
> > >
> > > mr_fixit@xxxxxxxxxxxx
> > >
> > >
> > > -----Original Message-----
> > > From: techassist-bounce@xxxxxxxxxxxxx
> > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On
> Behalf Of Webster TV
> > > Sent: Tuesday, February 17, 2004 2:05 PM
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF
> > >
> > > David,
> > >
> > > It definitely can be the relay if your unit uses
> a relay in the power
> > > circuit. Some sets only use the relay in the
> degaussing circuit. I've
> > > run
> > > into this numerous times on Quasar/Panasonics,
> you push power to shut
> > > the
> > > unit off and the on screen display and audio go
> off, but the picture
> > > will
> > > slightly dim down, but stay on. Replacing the
> relay solves the problem.
> > >
> > > Dan
> Webster
> > > Webster's
> TV
> > >
> Shullsburg, Wi.
> > > ----- Original Message -----
> > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, February 16, 2004 6:29 PM
> > > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF
> > >
> > >
> > > > Furthermore one would think that if the relay
> was stuck that the TV
> > > > would never turn off. I'll have to check this
> problem out first hand
> > > > when I visit the customer this week. Thanks
> for the responses, it give
> > > > me something to think about.
> > > >
> > > > David Lessard
> > > >
> > > > Alexandria Electronics
> > > > 50 Harrison Street
> > > > Alexandria, Ontario
> > > > K0C-1A0
> > > >
> > > > mr_fixit@xxxxxxxxxxxx
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: techassist-bounce@xxxxxxxxxxxxx
> > > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On
> Behalf Of Intrepid Video
> > > > Support
> > > > Sent: Monday, February 16, 2004 4:14 PM
> > > > To: techassist@xxxxxxxxxxxxx
> > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF
> > > >
> > > > I would not think it is the relay..if it was,
> the picture would not
> > > come
> > > > on.
> > > >
> > > > Jeff Dougherty
> > > > Intrepid Video TV/VCR
> > > > 263 S Front St
> > > > Steelton PA 17113
> > > > fax...717-564-4952
> > > > www.intrepid-video.com www.tech-repair.net
> > > >
> > > > ----- Original Message -----
> > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Monday, February 16, 2004 3:51 PM
> > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF
> > > >
> > > >
> > > > Bob,
> > > >
> > > > Was it a defective relay or the relay
> circuitry?
> > > >
> > > > Thanks for the information.
> > > >
> > > > David Lessard
> > > >
> > > > Alexandria Electronics
> > > > 50 Harrison Street
> > > > Alexandria, Ontario
> > > > K0C-1A0
> > > >
> > > > mr_fixit@xxxxxxxxxxxx
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: techassist-bounce@xxxxxxxxxxxxx
> > > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On
> Behalf Of Bob@Bobs tv
> > > > Sent: Monday, February 16, 2004 3:35 PM
> > > > To: techassist@xxxxxxxxxxxxx
> > > > Subject: [TechAssist] Re: Sanyo TV - DS27510 -
> Won't turn OFF
> > > >
> > > > Dave,
> > > > Just repaired a 27" Panasonic EXACT
> same problem, it was the
> > > > power
> > > > relay.
> > > > Bob,
> > > >
> > > > Bobs TV Worcester, ma
> > > >
> > > > woodman1@xxxxxxxx
> > > >
> > > > Main 508-853-1482
> > > > Fax 508-853-1480
> > > > ----- Original Message -----
> > > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Monday, February 16, 2004 1:46 PM
> > > > Subject: [TechAssist] Sanyo TV - DS27510 -
> Won't turn OFF
> > > >
> > > >
> > > > > Customer called and explained the problem as
> not being able to turn
> > > > off
> > > > > this TV. When the on/off button is pressed
> the audio and picture
> > > goes
> > > > > off but then the picture returns without
> audio. If the on/off button
> > > > is
> > > > > pressed again the audio comes up. Weird, I
> would like to arm myself
> > > > with
> > > > > whatever details of this problem before
> visiting the customer.
> > > > >
> > > > > Thanks in advance,
> > > > >
> > > > > David Lessard
> > > > >
> > > > > Alexandria Electronics
> > > > > 50 Harrison Street
> > > > > Alexandria, Ontario
> > > > > K0C-1A0
> > > > >
> > > > > mr_fixit@xxxxxxxxxxxx
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > >
>
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