[TechAssist] Re: Eprom Editing Information?
- From: Al Gutz <alg@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 02 Mar 2004 23:18:20 -0500
The sound mute is byte 00, it must be an odd number to unmute (0F)(hex)
and I think the horz freq is byte 07 and should be around 10 to 15
(dec),
haven't yet figured out which one causes no start.
Al G
Al's TV-Electronics
Pembroke Ont.
Canada
David Lessard wrote:
>
> Bruce,
>
> Great idea, but how does one know what bytes to modify. You need a map
> of the EPROM contents, i.e. address 1F for the volume, etc. Is this what
> you're looking for? It would be useful. Or are you looking for
> information on how to use the programmer?
>
> 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 Bruce Tiedeman
> Sent: Tuesday, March 02, 2004 7:55 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Eprom Editing Information?
>
> Help Appreciated,
> Does any one have information on editing certain values within a EPROM.
> I
> do have a Pony type programmer.
> I would like to have information on resetting some of the critical
> values
> of obvious problems like "set will not start", etc. This will be useful
> in
> trouble shooting" none", RCA sets and repair or eliminate the EPROM as a
> problem. I thought it had some thing to do with changing numbers to all
> F's.on some lines in the EPROM?
> thanks
> Bruce.
>
> B&T Electronics
> 139 Margaret St
> Sarnia Ontario
> Canada
> N7T 2Y3
> 519 344 1850
>
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