[TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 20 Dec 2004 16:27:21 -0500
Nah I got the wrong IC from Tritronics and said the hell with it. I don't
need it much anyhow.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "becyn" <becyn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 20, 2004 4:12 PM
Subject: [TechAssist] Re: RCA F35755MB CTC179DK need INFO on micro kit
> Jeez Al!!!!
> You didn't fix that yet?
> Sort of like the shoemakers kid's not having shoes-huh?
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh N.Y. 12550
>
> *NOT* a NESDA member
> Factory authorized
> service for over 20
> major brands.
> 845 561 8383
>
> al m wrote:
>
>>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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