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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 18052
Location: Langley, BC
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 Link Posted: Fri Jan 21, 2011 6:33 pm Post subject: |
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Taking a complete stab in the dark here. If I remember (and I could be way off), isn't this one of the RCA chassis that uses a tuner and prescaler sandwiched together? If the tuner or prescaler go bad, doesn't the set go dead?
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harrypotter_r2
Joined: 19 Jan 2011
Posts: 7
Location: TX
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| Link Posted: Fri Jan 21, 2011 10:13 pm Post subject: |
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Hello Curt:
I dont know it..
but first all Im going to perform a step by step check list & review in the main power supply & Auxiliary power supply operation 
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MikeEby
Joined: 24 Jun 2007
Posts: 5138
Location: Osceola, Indiana
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| Link Posted: Fri Jan 21, 2011 10:22 pm Post subject: |
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| Curt Palme wrote: | | Don't feel bad, in high school I worked on CTC 38s. THe oldest one I worked on was a CTC 20. |
The first flyback I ever changed was on a CTC 16. Those were really cool when they went bad...Smoked like crazy.
Mike
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Doing HD since the last century!
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macgyver655
Joined: 22 Aug 2007
Posts: 6953
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| Link Posted: Sat Jan 22, 2011 1:10 am Post subject: |
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Harry. I see in your profile that your occupation is electronics and your interests are electronics. Are you a repair tech?
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macgyver566@gmail.com
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harrypotter_r2
Joined: 19 Jan 2011
Posts: 7
Location: TX
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| Link Posted: Sat Jan 22, 2011 3:58 am Post subject: |
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Hi Macgyver655:
No..Im not a repair tech..And I found this site using Google..?Do you still have the yellow old pick Up..?
Best Regards
Harry Potter.
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 18052
Location: Langley, BC
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| Link Posted: Sat Jan 22, 2011 4:08 am Post subject: |
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Ok Harry, I'm out. That chassis is totally different than what I was thinking about, I don't think I've ever worked on one of those, sorry!
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harrypotter_r2
Joined: 19 Jan 2011
Posts: 7
Location: TX
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| Link Posted: Sat Jan 22, 2011 4:22 am Post subject: |
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Hello Curt:
Dont worry about it!!..I can handle it..I was asking only for a little more info. about (Schematics) just in case I knock the hell's door..Anyway I have ready my toolset to diagnostic this chassis..I will notice you about my successful with this challenge...
Best Regards & have a nice weekend.
Harry Potter
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macgyver655
Joined: 22 Aug 2007
Posts: 6953
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| Link Posted: Sun Jan 23, 2011 8:34 pm Post subject: |
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Oooops. Sorry Harry. Forgot about this. What yellow pickup? You have me stumped.
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macgyver566@gmail.com
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harrypotter_r2
Joined: 19 Jan 2011
Posts: 7
Location: TX
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| Link Posted: Wed Apr 11, 2012 1:23 am Post subject: |
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Well..here is my little black beast coming to life..like Lazaro ..stand up and walk!
sympton: Bad SMPS,U14101 damaged,Q14101 and various resistors burned and shorted diodes..also capacitors in the secondary stage.
tools to troubleshooter: oscilloscope,multimeter,variac,clips,capacitor tester
Best Regard
Harry..
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