[TechAssist] Re: Toshiba VCR M-684C doesn't record channel pre-programmed in.
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 19 Dec 2002 09:58:48 -0800
Gary,
I have (at home) a Toshiba M761 that develops amnestia if power is
removed for more that a few minutes. Used to hold for hours. There's a
large value cap for memory hold. I think it's C660. Still haven't
changed it, but will get it done eventually.
Hope this helps,
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice) 850-932-0819 (Fax)
On Thu, 19 Dec 2002 01:27:20 -0500 Gary McCartney <gary@xxxxxxxxxxx>
writes:
>
> I believe I have this channel problem figured out. Turned out that
> the
> channels needed to be autoprogrammed into memory, then when I set the
> timer to record, it did record the channel I had it set for. I must
> have
> missed going channel up/down to tune in stations, but thanks to a
> couple
> of techs replies, it reminded me. I normally use direct enter
> because I
> only get a handful of channels on the antenna. Only thing is, I don't
> know yet if the VCR has a problem with losing it's auto-programmed
> channel memory. Is it normal for these models to lose the channel
> memory
> with a short loss of AC power, or does it take a prolonged period of
> time? I will try the unit out one more time after being unplugged,
> before I send it home.
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: gary (at) number63.ca
>
>
>
>
>
> teltek2 wrote:
> >
> > This sounds like a bad micro, never ran across it myself, but this
> may be
> > one customer you would want to send to Wal-Mart, and do him a
> favor. Brain
> > surgery on VCR's is not profitable these days. ;-)
> >
> > -Ed
> > Tel-Tek Electronics
> > Ontario-Canada
> >
> > teltek2@xxxxxxxxxxxx
> > ----- Original Message -----
> > From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, December 18, 2002 4:14 PM
> > Subject: [TechAssist] Re: Toshiba VCR M-684C doesn't record channel
> > pre-programmed in.
> >
> > >
> > > Got that the first time! When the vcr is time recording does the
> display
> > > indicate the vcr tuner channel?
> > > Jerry Silverman
> > > Greentron Inc
> > > 4 Newland Ave
> > > Greenville SC 29609
> > > 864 232 3889
> > > Fax 271 2080
> > > mailto:greentron@xxxxxxx
> > > ----- Original Message -----
> > > From: "Gary McCartney" <gary@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, December 18, 2002 1:49 AM
> > > Subject: [TechAssist] Re: Toshiba VCR M-684C doesn't record
> channel
> > > pre-programmed in.
> > >
> > >
> > > >
> > > > Ok, I'll try to explain again.
> > > >
> > > > The VCR does not record the channel I pre-program it to
> record, but
> > > > rather just snow shows up on playback (and no sound). I have
> only tried
> > > > channels 13 or below so it is not a CATV/antenna setting
> problem. When I
> > > > record manually, it records the channel I have the VCR set to
> and plays
> > > > it back fine. When I press record, the TV/VCR light in the VCR
> display
> > > > indicates VCR. When I set the timer to come on and record, the
> VCR will
> > > > automatically turn on in TV mode and it does not change to VCR
> mode. The
> > > > picture on the TV (while recording) shows the channel which is
> shown
> > > > when the VCR is in TV mode, in my case it shows picture of
> channel 3.
> > > > When I play back this recording, all I get is snow and no
> sound. So it
> > > > seems as though the tuner does not tune when timer recording
> happens.
> > > > When manual recording happens, the tuner tunes in the chosen
> station
> > > > fine.
> > > >
> > > > I have posted a picture of the on screen graphics for my timer
> settings.
> > > > Note that it is set to record channel 11. The record speed is
> not shown
> > > > in the pic because that flashes and the camers snapped the
> shot when the
> > > > speed was not visible. After I set this up, I press "program"
> button as
> > > > per instruction book, then turn VCR off and wait until it
> automatically
> > > > turns on.
> > > >
> > > > http://www.number63.ca/setting.jpg
> > > >
> > > > I hope this clarifies any confusion that my previous posts may
> have
> > > > caused.
> > > >
> > > >
> > > >
> > > > Gary McCartney
> > > >
> > > > McCartney Electronics
> > > > 7134 Fife Rd, RR 7
> > > > Guelph Ontario Canada N1H 6J4
> > > > Fax: (519)821-1530
> > > > email: gary (at) number63.ca
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > C&W Electronics wrote:
> > > > >
> > > > > Gary,
> > > > > My experience with VCR recording, is that the when the VCR
> is in the
> > > record
> > > > > mode, it records the channel selected on the VCR, regardless
> of the
> > > position
> > > > > of the tv/vcr switch. If this were not the case, you would
> not be able
> > > to
> > > > > watch one channel and record another one.
> > > > >
> > > > > You should be able to prove this by recording manually with
> the front
> > > > > buttons or the remote. Turn the vcr on, select tv with the
> tv/vcr
> > switch
> > > and
> > > > > press record.
> > > > >
> > > > > I think I am reading your post properly.
> > > > >
> > > > > Good luck,
> > > > > Paul W
> > > > > C&W Electronics
> > > > > Azle Texas
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Gary McCartney" <gary@xxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Tuesday, December 17, 2002 3:14 PM
> > > > > Subject: [TechAssist] Toshiba VCR M-684C doesn't record
> channel
> > > > > pre-programmed in.
> > > > >
> > > > > >
> > > > > > This Toshiba VCR M-684C will record manually, no problem.
> The
> > problem
> > > is
> > > > > > with pre-programmed recording. It doesn't matter what
> channel I set
> > > the
> > > > > > unit to record from when the timer turns on the machine,
> the unit
> > > always
> > > > > > comes on in TV mode (as in TV/VCR choice) instead of VCR
> mode, and
> > > > > > thereby doesn't record what is wanted.
> > > > > >
> > > > > > Is there a specific known fix for this? I don't want to
> spend much
> > > time
> > > > > > on it. Already removed circuit board and soldered power
> supply and
> > > > > > checked ESR of caps.
> > > > > >
> > > > > > If there is no known fix, would it be possible to force
> the VCR to
> > > turn
> > > > > > on in VCR mode rather than TV mode? I could add a toggle
> switch on
> > the
> > > > > > front panel to engage or disengage this. I'm thinking of
> one of the
> > > pins
> > > > > > on the tuner might go high or low when TV/VCR button is
> pressed. If
> > I
> > > > > > add a switch with a pull-up resistor maybe that would
> work. I'd
> > rather
> > > > > > have the proper fix if anyone knows it and it doesn't
> invlove
> > > replacing
> > > > > > the microprocessor IC.
> > > > > >
> > > > > >
> > > > > > Thanks for any help.
> > > > > > --
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Gary McCartney
> > > > > >
> > > > > > McCartney Electronics
> > > > > > 7134 Fife Rd, RR 7
> > > > > > Guelph Ontario Canada N1H 6J4
> > > > > > Fax: (519)821-1530
> > > > > > email: gary (at) number63.ca
> > > > > >
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