[TechAssist] Re: Chipper Check King
- From: Jim Myers <jr.myers@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 27 Sep 2004 13:28:52 -0500
This should take you directly to the schematic:
http://www.thomsonnetwork.com/documents/chipper%20check%20schematic.pdf
it is on the "unprotected" part of the web site.
*******************************************************************************************************************
Since 1972
Jim Myers
Telrad Electronics
Fort Wayne, Indiana
Al Gutz wrote:
> Jim
> Could you supply the address for that schematic, or is it only
> available to RCA ASC.
>
> Al G
> Al's TV-Electronics
> Pembroke ONt.
> Canada
>
> Jim Myers wrote:
>
>
>>Looking at the schematic on the TCE web site that circuit looks so
>>simple Al, do you get pulses on the secondary side of the transformer?
>>If yes but no 5V on the rectifier diode cathode then there must be a
>>short to ground at the cathode or 100 ohms to ground if not direct.
>>*******************************************************************************************************************
>>Since 1972
>>Jim Myers
>>Telrad Electronics
>>Fort Wayne, Indiana
>>
>>
>>al m wrote:
>>
>>
>>>Yep but I disconnected everything to the rectifier and still no 5V. The
>>>pulses are on the primary and I changed the transformer. I'm stumped.
>>>Al Marquardt
>>>ampm@xxxxxxx
>>>Al Marquardt Electronic Repair
>>>206 W Main
>>>Girardville Pa. 17935
>>>----- Original Message -----
>>>From: "becyn" <becyn@xxxxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Friday, September 24, 2004 12:37 PM
>>>Subject: [TechAssist] Re: Chipper Check King
>>>
>>>
>>>
>>>
>>>
>>>>Are you referring to the "isolation supply on the PCB?
>>>>If so, it's probably the output transistor on the primary.
>>>>check for pulses on the OTHER side of the base resistor. If they exist,
>>>>the
>>>>output is bad(maybe open?)..
>>>>
>>>>The CC king, AKA
>>>>Jim McVey
>>>>McVey Alltronix
>>>>327 Broadway
>>>>Newburgh N.Y. 12550
>>>>
>>>>Factory authorized
>>>>service for over 20
>>>>major brands.
>>>>845 561 8383
>>>>----- Original Message -----
>>>>From: "al m" <ampm@xxxxxxx>
>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>Sent: Friday, September 24, 2004 12:25 PM
>>>>Subject: [TechAssist] Re: Chipper Check King
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>Well King I have one that has no 5V on the secondary side of the
>>>>>transformer. What's the magic word to fix it. Can find nothing shorted or
>>>>>wrong with any of the parts.
>>>>>Al Marquardt
>>>>>ampm@xxxxxxx
>>>>>Al Marquardt Electronic Repair
>>>>>206 W Main
>>>>>Girardville Pa. 17935
>>>>>----- Original Message -----
>>>>>From: "becyn" <becyn@xxxxxxxxxx>
>>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>>Sent: Friday, September 24, 2004 10:57 AM
>>>>>Subject: [TechAssist] Chipper Check King
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>Yes, It's true! I am the self proclaimed "King of chipper check
>>>>
>>>>repair.;-)
>>>>
>>>>
>>>>
>>>>>>After someone in the shop (no one is claiming responsibility) did god
>>>>>>knows what to the CC interface, I have brought it back to life. It had
>>>>>>failed every diagnostic when I first discovered this sorry mess . Now,
>>>>
>>>>not
>>>>
>>>>
>>>>
>>>>>>only is it repaired, but it is updated to rev 1.2.
>>>>>>
>>>>>>Why am I so happy? I called RCA when the problem was first discovered
>>>>
>>>>and
>>>>
>>>>
>>>>
>>>>>>their advise was "buy a new one".
>>>>>>Well, my wallet screamed "NO WAY PAL!!!!!" so I had no choice but to
>>>>
>>>>take
>>>>
>>>>
>>>>
>>>>>>a deep breath and say "we're goin' in, men".
>>>>>>MISSION ACCOMPLISHED! I'm happy, my wallet is happy, I can now
>>>>
>>>>interface
>>>>
>>>>
>>>>
>>>>>>with that CTC197, so the customer will be happy too.
>>>>>>
>>>>>>I learned a bit about the thing along the way as well. If anyone has
>>>>
>>>>dead
>>>>
>>>>
>>>>
>>>>>>or dying CC's...I'm your man...
>>>>>>
>>>>>>Jim McVey
>>>>>>McVey Alltronix
>>>>>>327 Broadway
>>>>>>Newburgh N.Y. 12550
>>>>>>
>>>>>>Factory authorized
>>>>>>service for over 20
>>>>>>major brands.
>>>>>>845 561 8383
>>>>>>
>>>>>>
>>>>>>
>>>>>
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>>>>
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>>>>
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>>>>
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>>>>>
>>>>>
>>>>>
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