[TechAssist] Re: Chipper Check King
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 24 Sep 2004 19:19:19 -0400
everything on the secondary supply was changed and I disconnected the rest
of the circuit. The Amplitude of the pulses is what I don't know if it's
right. I gotta feeling the amplitude isn't right but how can I tell?
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: Friday, September 24, 2004 2:07 PM
Subject: [TechAssist] Re: Chipper Check King
> 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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