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#31
10-26-2010, 12:08 PM
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Most are push-push for off-on. Some TVs that used the same configuration are rotate off-on. Depends on the year. Either will work fine. Getting the correct knobs to fit the shafts is most critical.
Your TV is a '59 model. It uses the reworked '58 "Seventeener II" portable chassis. Last edited by Don Lindsly; 10-26-2010 at 12:12 PM. 
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#32
10-26-2010, 01:57 PM
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It's a push on-off switch. Whatever broke the knob may also have damaged the switch. You may be able to fix it if you get inside and look at the control itself.
(Oops, I didn't see the above post on the next page when I replied...)
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#33
10-26-2010, 02:31 PM
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I might pull the chassis in the next week or so to do a parts inventory. If I do, I'll investigate the on-off switch further. Then start looking for a new button.
__________________
Growing up leads to growing old and then to dying, And dying to me dont sound like all that much fun... -John Mellencamp
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#35
10-26-2010, 06:00 PM
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Quote:
__________________
Growing up leads to growing old and then to dying, And dying to me dont sound like all that much fun... -John Mellencamp
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#36
10-27-2010, 11:14 AM
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Quote:
__________________
Growing up leads to growing old and then to dying, And dying to me dont sound like all that much fun... -John Mellencamp
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#37
10-27-2010, 12:30 PM
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Quote:
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#38
10-27-2010, 01:34 PM
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Sam:
Better or worse is a judgement call. The ’58 Seventeener II portable version was prone to fire risk from routing the yoke wires around the filament dropping resistor, an underrated B+ shunt resistor, IRC sync diode and sound buzz. The ’59 version fixed most of the bugs. A tube, 2EN5 or 9BR7, replaced the phase diode, improved IF can for sound, higher wattage resistors, etc.. It was then jammed into a tighter space so it runs hotter. The long CRT leads make for touchy sync if not dressed properly. The chassis was also used for the low end, conventional 21” models. The ’60 version was a much better, all new design using a power transformer and improved tube line up. The ’58 series string chassis was dropped all together. (It may have been used for a few 1/2 year carry overs or motel specials, but certainly gone by Jan, 1960.) I do not have Sams literature. I use Philco or Beitman’s, which is a copy of the Philco. I find Sams makes some errors when redrawing the schematics. Can you see a chassis and run number? It should be something like 9H35/9H38 and run number 121, 122 etc... The tube line up should be the same for all ’59 versions. The only variables I remember are some tube numbers (locations and functions remained the same) and a optional UHF tube and CRT number. Any schematic for that chassis number should be OK. Late engineering modifications and service bulletins may show up in the TV since they were incorporated after the manuals were printed. Documentation may be in the batch of Service Bulletins that followed the product release. Last edited by Don Lindsly; 10-29-2010 at 01:35 AM.
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#39
10-27-2010, 01:54 PM
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Thanks for that info. Do you know where the Philco or Beitman's service information might be located?
From your description, I take it that this model used the reworked and less fire-prone version of the chassis? Here's the tube list from the position chart inside the cabinet: 1G3 2AF4A 3BN6 3BZ6 4BL8 5AM8 5X8 6AW8A 6CG7 10DE7 12CA5 12DQ6A
__________________
Growing up leads to growing old and then to dying, And dying to me dont sound like all that much fun... -John Mellencamp Last edited by Sam Cogley; 10-27-2010 at 04:49 PM.
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#40
10-27-2010, 05:05 PM
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Quote:
__________________
Benevolent Despot
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#41
10-28-2010, 12:49 PM
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Something is missing from the tube line up. The pictured TV does not have UHF so there will be no 2AF4. The list does not show a damper tube; 12AX4, 12DE4 or something. There are two 3BZ6s. There should be a sound IF, like a 3AU6 or 4BY8 and a sync tube like a 9BR7; about 14 in all without the 2AF4. A chassis number, recheck tube list or top down view would be helpful.
I believe Beitman's is on line somewhere. I have some Philco, but not all. You may find it in Riders TV. Don Last edited by Don Lindsly; 10-29-2010 at 01:38 AM.
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#42
10-28-2010, 12:53 PM
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I'll double-check it. I was jotting notes off of the tube chart with a flashlight, I could well have missed something.
__________________
Growing up leads to growing old and then to dying, And dying to me dont sound like all that much fun... -John Mellencamp
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#43
10-30-2010, 01:43 AM
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This is worth a look, It has a speaker... the same seller also has a back listed.
http://cgi.ebay.com/VINTAGE-PHILCO-P...item3f04628c85 not affiliated, jr
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