[TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 20 Dec 2004 15:51:25 -0500
Thanks Gary but I don't have one YET. I have a Chipper checker that don't
work though.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 20, 2004 3:45 PM
Subject: [TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
>I have the data file for a factory fresh 212119 eeprom. If you have an
> eeprom programmer, I can send you the file.
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
>
>
> al m wrote:
>> Ok I'll try it. The reason I think it's the EPROM is that the micro keep
>> searching on turn-on. The data keeps flowing. I guess it could be the
>> jungle
>> IC or the tuner but the tuner I figured caused this problem because
>> resoldering tuner let's the set turn on.
>> Al Marquardt
>> ampm@xxxxxxx
>> Al Marquardt Electronic Repair
>> 206 W Main
>> Girardville Pa. 17935
>> ----- Original Message -----
>> From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Monday, December 20, 2004 2:13 PM
>> Subject: [TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
>>
>>
>>
>>>Your micro, -97E came before -97H so it is supposed to be replaced but
>>>that is just because of the error code problem. Does it really matter if
>>>it stores error codes? I would think the EEPROM could be replaced
>>>without replacing the micro if that is causing your problem. The Parts
>>>Finder program list the 229778 P/N for both U3101 and U3102 and is
>>>called a KIT so I thought that meant it included both the EEPROM and the
>>>Micro.
>>>*******************************************************************************************************************
>>>Since 1972
>>>Jim Myers
>>>Telrad Electronics
>>>Fort Wayne, Indiana
>>>
>>>al m wrote:
>>>
>>>>Thanks Jim but the kit only contains the EPROM is that all you need now?
>>>>Al Marquardt
>>>>ampm@xxxxxxx
>>>>Al Marquardt Electronic Repair
>>>>206 W Main
>>>>Girardville Pa. 17935
>>>>----- Original Message -----
>>>>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>Sent: Monday, December 20, 2004 11:15 AM
>>>>Subject: [TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
>>>>
>>>>
>>>>
>>>>
>>>>>Here's da poop: (The kit you need, 229782, is superseded by 229778)
>>>>>
>>>>>Symptom: A failure of an I2C bus device will prevent the TV from
>>>>>turning
>>>>>on. If a device has failed, its address
>>>>>is supposed to be stored in an error code area of the EEPROM, and
>>>>>displayed when the service
>>>>>mode is entered. On some early production sets, the error codes will
>>>>>not
>>>>>be stored.
>>>>>Cause: An error in the microprocessor code prevents the set from coming
>>>>>on in the service mode to
>>>>>display the error code. A bit in the EEPROM is set to prevent the
>>>>>microprocessor from checking for
>>>>>the error code.
>>>>>Cure: Replace both the microprocessor and EEPROM. For the CTC178 and
>>>>>CTC179 chassis, the
>>>>>microprocessor with the error is marked -97H or before. The
>>>>>microprocessor with the corrected code
>>>>>is marked -97I or later. For the CTC188 and CTC189 chassis, the
>>>>>microprocessor with the error is
>>>>>marked -98C or before and the microprocessor with the corrected code is
>>>>>marked -98D or later. Both
>>>>>the microprocessor and EEPROM must be replaced. The microprocessor and
>>>>>EEPROM come
>>>>>packaged together as a kit. Refer to the following table for the
>>>>>chassis
>>>>>to kit stock number cross
>>>>>reference.
>>>>>CTC178J, L 229782
>>>>>CTC179BJ, CJ, DJ 229780
>>>>>CTC179CK, CM, DK, DL 229782
>>>>>CTC188A 230055
>>>>>CTC189DA, DB 230055
>>>>>NOTE: To prevent having to align the chassis after replacing the
>>>>>EEPROM,
>>>>>record the values stored in the
>>>>>original part and use those values for the new part. If this is not
>>>>>done, the complete chassis and
>>>>>tuner alignments must be performed.
>>>>>
>>>>>
>>>>>
>>>>>*******************************************************************************************************************
>>>>>Since 1972
>>>>>Jim Myers
>>>>>Telrad Electronics
>>>>>Fort Wayne, Indiana
>>>>>
>>>>>al m wrote:
>>>>>
>>>>>
>>>>>>Does this set have to have the micro and the EPROM replaced together
>>>>>>or
>>>>>>can
>>>>>>I just put in the EPROM. Set came in shutting down, then went to 3
>>>>>>tries
>>>>>>and
>>>>>>then shutdown, bending the board turned it on. Resoldering the tuner
>>>>>>fixed
>>>>>>the intermittent turn on but now it's stuck in video mode and the menu
>>>>>>won't
>>>>>>come up. I see Tritronics has a kit but it's NLA. Can I get by with
>>>>>>just
>>>>>>the
>>>>>>EPROM? This set has a EPROM marked 97E which from tips I have says you
>>>>>>must
>>>>>>replace the two together. If so does anyone have a used micro and
>>>>>>EPROM
>>>>>>for
>>>>>>the DK chassis? Thanks.
>>>>>>Al Marquardt
>>>>>>ampm@xxxxxxx
>>>>>>Al Marquardt Electronic Repair
>>>>>>206 W Main
>>>>>>Girardville Pa. 17935
>>>>>>
>>>>>>
>>>>>>
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>>>>
>>>>
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