Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Need help with a Philco 42-350
#2

Did you rebuild the IF cans? There is a 4000 uuF mica capacitor inside the 1st IF that goes between the XXL plate and the band switch. You can probably test it if your meter has a capacitance function. If you didn't rebuild the cans, there might be some rotten wire that should be replaced.

When there is an intermittent problem that is solved by the touch of a meter, I usually suspect some unwanted capacitance somewhere, either because of an open resistor that normally bleeds off a charge, or because of a bad contact. Try cleaning the band switch and push-button switch block with something like deoxit. Double check your solder joints. Sometimes old wire will look like it has soldered, but really makes poor contact with the solder.

I actually have a similar problem with a 42-355 that I listen to almost daily. The push-button stations will suddenly go away but will come back when I push any of the other push buttons and then switch back to the station I was listening to. I cleaned the switches before I put the chassis back in the cabinet, but the problem developed not too long after. I haven't had a chance to take it apart yet because of other projects, but I'll do it soon.

Let us know what you find out, because it might be related to the problem with my radio.

John Honeycutt


Messages In This Thread
Need help with a Philco 42-350 - by wmcpherson99 - 09-23-2015, 12:26 AM
RE: Need help with a Philco 42-350 - by Raleigh - 09-23-2015, 12:04 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Model 70 Cabinet Trim
musar , Well if you have any more questions feel free to post away . Sincerely Richardradiorich — 08:56 PM
Model 70 Cabinet Trim
Although I have not made any cabinets or cabinet parts for a couple of years, I still have some parts left over, includi...Steve Davis — 06:26 PM
philcorepairbench.com - shadow-meter
Thanks Ron.fenbach — 02:43 PM
Model 70 Cabinet Trim
Thank you, Gary. Before making my original post, I had clicked on "Steve Davis Cabinets" only to find that it...musar — 02:25 PM
philco predicta
Welcome to the Phorum, cgl18! I am not your resource for television repair, but lots of friendly help is available here...GarySP — 02:12 PM
Model 70 Cabinet Trim
Welcome to the Phorum, musar! You can send Steve Davis a private message (PM). The site is at the top of the Home page...GarySP — 02:09 PM
Model 70 Cabinet Trim
How do I contact him? The only contact information for him I could find when searching online was a telephone number th...musar — 10:38 AM
philco predicta
Hello, good afternoon, I would like to ask what the possible problem could be if I don't have an image on the screen. I ...cgl18 — 10:19 AM
Philco model 38 code 121 not receiving signal.
So one last question before I finish this radio. Regarding the speaker and output transformer. I salvaged the original o...Stormlord5500 — 09:31 AM
462ron
It’s on the bottom of the homepage of our Philcoradio.com homepage! Ron462ron — 07:20 AM

[-]
Who's Online
There are currently no members online.

>