[TechAssist] RCA CTC203AX No Cable/Air channels
- From: "Jon Garver" <jongar@xxxxxxxxxxxxx>
- To: "TechAssist" <techassist@xxxxxxxxxxxxx>
- Date: Mon, 16 Feb 2004 16:31:43 -0500
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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