#1
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Sencore Super Mack CR31A Manual
Does anyone have or know where I can get a manual for a Sencore Super Mack CR31A? I have the tube data book that came with it; just need the ops manual.
Thanks! |
#2
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I think you can still get a copy of the manual from Sencore. I got one for my CR70 from them.
Ebay is probably a less expensive option. The manual doesn't fit well in the unit so I think they tend to get separated from the unit when they're sold. John |
#3
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I have one for my super mack. Is there anything specific you want to know? I have tested 100s of tubes with mine and know it very well.
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#4
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John - I did call them and they do not have them anymore... nice folks, but no older manuals.
CTC - thanks for the offer. I've used quite a few different CRT testers/rejuvinators and understand the basics. I wanted to test a 10BP4 and am using socket 1. - I set the filament voltage (6.3) and bias to "C". - Gun balance set to R/B&W - I set the FIL SET to align with 6.3 - Run through H-K Shorts and G Shorts (no meter movement) - Select GUN BAL and attempt to adjust to mark on meter - I get no movement of meter - I select EMISSION and get almost no deflection - but can get movement if I changes the GUN BAL control And general questions: - What does Automatic tracking do in Tester mode? - If the tube does not have shorts and is low on emissions, do I start with Auto Cycle in Restore or Rejuv first? Thanks! M |
#5
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Automatic tracking is for testing color CRTs. It stores the emissions on capacitors for each gun and comes up with a good or bad indication for tracking by comparing those at the end.
This is from memory so I might have it a little off. John |
Audiokarma |
#6
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I'm still trying to figure out where the heck I put my Super Mack manual, otherwise I'd copy it for you.
John |
#7
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Thanks John - if you run across it! Much appreciated. If you do that, I will host it somewhere so others have access in the future.
M |
#8
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After looking for the 20th time in the spot where I was sure I put it, it finally reappeared. There are 40+ pages. I'll try to scan it tomorrow.
John |
#10
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John - thank you very much! I will get this posted also within a day or so and update this thread with the location.
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Audiokarma |
#11
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Sencore CR31A Super Mack User Manual (permanent) Link:
http://www.oldtubes.net/library/test...r31a/CR31A.pdf |
#12
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Greetings,
I'm new to the vintage TV restoration world, although I've been restoring radios for decades. I'm at the point where I need a CRT tester. I have the opportunity to buy a CR-31A in excellent condition with all adapters, probes and manual for $50. Is this a good price? Any caveats with this model? Thanks, Clark |
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