[TechAssist] Re: RCA CTC203AX No Cable/Air channels
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 16 Feb 2004 17:41:08 -0500
I had a CTC175 that was missing some of the menus and it was the EPROM.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Jon Garver" <jongar@xxxxxxxxxxxxx>
To: "TechAssist" <techassist@xxxxxxxxxxxxx>
Sent: Monday, February 16, 2004 4:31 PM
Subject: [TechAssist] RCA CTC203AX No Cable/Air channels
> Model F27625 w/ Gemstar and on board tuner.
>
> Thought this was going to be an easy one.
>
> Unit came in with broken cable/antenna input connector.
> Soldered the connector back in, repaired the broken trace
> that it was attached to. Now the set has no video or sound,
> just a noiseless raster with the words "unusable signal".
>
> Checked the I.F. coming out of the tuner and it appears to
> be fine. I can't find an "autoprogram" in the menu. By the
> way, external audio/video in and OSD works fine.
>
> I ran Chipper Check on it and it says the main EEPROM is OK.
> I pinged the Gemstar and got an error message "U26401 did not
> respond on the standby bus". Hitting the error codes button
> produced this message, "Code 16 Run I2C clock or data is clamped
> at logic 0.
>
> So, along with the CC info, I can't find anything on the menu
> to autoprogram the channels. According to the owner's manual,
> that function should be available right after selecting the
> language option. Instead, the setting up the Gemstar option
> is there.
>
> Am I missing something here or is it a EEPROM, Gemstar, or
> T-chip problem? I have a partial schematic but it doesn't
> cover any of these circuits.
>
> Also the customer says they received it second hand that way
> and that the previous owners had used the aux. inputs.
>
> Thanks,
>
> 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.)
>
>
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