[TechAssist] Re: Chipper Check / CTC 177 series Question
- From: Jim Shupe <jim@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 28 May 2004 06:02:52 -0700 (PDT)
Jon....
I checked my saved EEPROM files at work and I have
several 177 files, so I'm assuming that it reads and
writes OK. I didn't, by the way, take the time to make
it pretty... it too was built from scrap parts.
At the time I was recovering from a gastrectomy and
with the way my brain was working(NOT) I was lucky to
get it working at all. I have a green LED to let me
know that I have power, and a red to indicate switched
5v to the EEPROM.
Jim Shupe, CET
Lloyd's TV
Yucca Valley, CA
--- Jon Garver <jongar@xxxxxxxxxxxxx> wrote:
> Followed the procedure to a T.
>
> I take it that the EEPROMS out of the 177's work
in
> your
> adapter OK?
>
> It sounds like you took the time to make it look
> nice.
> Mine was made in hurry out of spare parts since I
> didn't
> have the test clip and needed to reinitialize a
> chip.
>
> Jon Garver
> Heritage Television Service
> 204 Heritage Rd.
> Monticello, Indiana U.S.A.
> 574-583-9681 Voice & FAX
> jongar@xxxxxxxxxxxxx or
> htv1@xxxxxxxxx (for file u.l.)
>
> ----- Original Message -----
> From: "Jim Shupe" <jim@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, May 27, 2004 8:02 AM
> Subject: [TechAssist] Re: Chipper Check / CTC 177
> series Question
>
>
> > Jon..
> >
> > I built an "out-of-set" adapter such as
yours
> and it
> > works for all the sets that have the "select
> chassis"
> > option. I added a couple of LED's and a
switch, to
> > allow switching and monitoring my +5v to the
> EEPROM.
> > It's important that the chassis be
selected
> before
> > you apply the +5 to the EEPROM. This is
easiest
> with
> > the latest software version, if you have
installed
> the
> > hardware updates to the interface box. It
has a
> > scrolling list of chassis' you can click
once to
> > highlight, then switch your +5 ON, then
> double-click
> > the chassis to select.
> > You can then build customer files, upload
and
> > download, read files, etc.
> > Hope that helps.
> >
> > Jim Shupe, CET
> > Lloyd's TV
> > Yucca Valley, CA
> >
> > --- Jim Myers <jr.myers@xxxxxxxxxxx>
wrote:
> > &gt; Jon, did you read the CC help files
set up
> > &gt; procedure? It implies that
> > &gt; the chip must be in the chassis and
all you
> can
> > doe
> > &gt; with a 175, 176,
> > &gt; 177, 186 and 187 is to
reinitialize. See
> > copy/paste
> > &gt; below:
> > &gt;
> > &gt; CTC175, 176, 177, 186 &amp; 187
Setup
> Procedure
> > &gt;
> > &gt; The only procedure that can be
performed on
> these
> > &gt; chassis with Chipper
> > &gt; Check is initializing the EEPROM to
factory
> > &gt; settings. The set MUST be
> > &gt; OFF and UNPLUGGED when initializing
the
> EEPROM.
> > You
> > &gt; must first
> > &gt; determine if your set has a
Motorola or ST
> > &gt; microprocessor. The IC,
> > &gt; U3101, will be marked with either
ST or
> Motorola.
> >
> > &gt; If the IC is a
> > &gt; Motorola ground pin 1, if the IC is
marked ST
> > ground
> > &gt; pin 2. Retain this
> > &gt; ground while the EEPROM is being
initialized.
> > &gt; Remove the ground before
> > &gt; restoring the set to operation.
Prior to
> > &gt; initializing the EEPROM, an
> > &gt; external 5 volt supply and a 1K
resistor must
> be
> > &gt; connected. DO NOT
> > &gt; apply the external 5 volts until
after the
> > chassis
> > &gt; is selected in the
> > &gt; Chipper Check software. If 5
volts is
> applied
> > &gt; before the chassis is
> > &gt; selected a NO COMMUNICATIONS error
may
> result.
> > &gt;
> > &gt; The diagram below shows how Chipper
Check is
> > &gt; connected to the chassis.
> > &gt; Adapter board 212121 (supplied), 7
jumper
> wires
> > and
> > &gt; an IC clip are used
> > &gt; to connect the Chipper Check
interface box to
> the
> > &gt; EEPROM. You may
> > &gt; connect leads directly to the IC or
use an IC
> > clip.
> > &gt; The IC clip shown
> > &gt; in the diagram is a Pomonaâ clip,
Pomona part
> > number
> > &gt; 5108, available
> > &gt; from most parts supply houses.
> > &gt;
> > &gt;
> >
>
********************************************************************************
> ***********************************
> > &gt; Since 1972
> > &gt; Jim Myers
> > &gt; Telrad Electronics
> > &gt; Fort Wayne, Indiana
> > &gt;
> > &gt;
> > &gt; Jon Garver wrote:
> > &gt; &gt; OK CC users, I'm trying to
get CC to
> > communicate
> > &gt; with an
> > &gt; &gt; EEPROM out of this 177
chassis. When I
> said
> > "out"
> > &gt; I mean that
> > &gt; &gt; I have an adapter with
I.C. socket and
> > external 5V
> > &gt; source.
> > &gt; &gt;
> > &gt; &gt; I don't see the 177
associated with any
> of
> > the
> > &gt; interface
> > &gt; &gt; adapters. I've checked one
out of a 175
> and
> > it
> > &gt; works OK.
> > &gt; &gt; I tried a new chip for
another 177 and
> can't
> > get
> > &gt; it to
> > &gt; &gt; communicate with CC
either.
> > &gt; &gt;
> > &gt; &gt; The interface adapter that
I use with my
> > homemade
> > &gt; adapter
> > &gt; &gt; is the one designated for
CTC 174, 175,
> 18X
> > &gt; series, 19X series
> > &gt; &gt; an 203.
> > &gt; &gt;
> > &gt; &gt; The 177 is in the
"chassis" list so is
> there
> > &gt; something else that
> > &gt; &gt; I need to check it or
something
> different
> > that I
> > &gt; have to do to
> > &gt; &gt; get it to communicate?
> > &gt; &gt;
> > &gt; &gt; Jon Garver
> > &gt; &gt; Heritage Television
Service
> > &gt; &gt; 204 Heritage Rd.
> > &gt; &gt; Monticello, Indiana U.S.A.
> > &gt; &gt; 574-583-9681 Voice
&amp; FAX
> > &gt; &gt; jongar@xxxxxxxxxxxxx or
> > &gt; &gt; htv1@xxxxxxxxx (for file
u.l.)
> > &gt; &gt;
> > &gt; &gt;
> > &gt; &gt;
> > &gt;
> >
>
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