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

625B Chassis - Deplorable Repairs
#1

Hello everyone! This is my first post, but I know I came to the right place.
I bought a 625B from a thrift store for $50. It was complete but the enclosure was in very bad shape, the chassis was in good condition though. However, with that said, when I began the recapping, I saw a number of wire/solder furrballs connecting various replacement caps together. Also I have both Philco and Riders schematics, but it appears the original radio wiring in some areas does not match either of the schematics (the Riders and Sams schematics are identical). My question is: Does anyone have a recapped 625B they would be willing to take some pix of the chassis underside and share them with me? So I can verify that I'm not going to let the essential smoke out of anything.
Thanks in advance!


Attached Files Image(s)
           

A contract engineer invoiced a company $10000 to place a chalk mark on the defective component.
One piece of chalk: $1.00
Knowing where to put the chalk mark: $9999.00
#2

On your 625 chassis if you look at the chassis layout here :https://philcoradio.com/library/download/service%20info/wiring%20diagrams/vol1/split/Part79-Philco%20Wiring%20Diagrams%20Vol.%201.pdf  it will give you a good idea what is suppose to be there. The two blue and the one brown e caps have been added along with several foil/paper caps over on the left side. To put things right under the chassis the bakelite block and the electrolytic can caps should be rebuilt. The B indicates what cabinet the 625 chassis was fitted in. Yours was a table top set.

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
#3

Radioroslyn,
Thank you, for the direction. Yeah, the repairs over the years were hasty, but time is money to a repair shop.
I've recapped the bakelites and the cans I got from different salvage set, so, I'm dropping them one at a time as I go from block to block. I've replaced most the caps and a few resistors so far. I took a series of pictures as I took it apart, but some of the wiring was cut free from their original locations and furrballed here and there with the repair caps. there are a couple more hidden repair caps under repair electrolytics, and those connections are wonky too. We've all seen schematics that are in error, but if you vouch for this schematic, I'll follow it.
Thanks, RF

A contract engineer invoiced a company $10000 to place a chalk mark on the defective component.
One piece of chalk: $1.00
Knowing where to put the chalk mark: $9999.00




Users browsing this thread:
[-]
Recent Posts
Zenith H725
The PSU filter cap arrived today (thank you USPS!) so I will work on that later. Meanwhile, I have the dial, speaker...EdHolland — 06:42 PM
Philco 610B oscillator wiring
Thanks Terry. After checking my notes I think I recorded about -10v at the 6A7 G4/control grid. The screen grid (G3 &...Tubester — 05:59 PM
The list of my radio & TV collection!
Magical chords of forgotten melodies, old nostalgic music on an old radio... Saturday night blues on the Mid-Waves on an...RadioSvit — 12:20 PM
Philco 42-345 Restoration/Repair
Thank you MrFixr55 the issue with this radio is that the internal coil antenna is missing and there was a wire in its pl...osanders0311 — 11:34 AM
Philco 610B oscillator wiring
Regarding the oscillator circuit which is comprised of the 6A7's cathode, control grid, and screen grid. These elements ...Radioroslyn — 10:33 AM
Philco 42-345 Restoration/Repair
Hi OSanders, First off, welcome to the Philco Phorum where Phine Phamily-Phriendly Pholks Phull of Philco Phacts and P...MrFixr55 — 08:41 AM
Philco 42-345 Restoration/Repair
Today I've been reading through the site trying to learn more about this radio. I also soldered the lose power cord cabl...osanders0311 — 08:24 PM
Philco 610B oscillator wiring
Thanks David! I do have that same later prodution model 610 schematic. I've also studied the Philco service bulletins fo...Tubester — 08:12 PM
Philco 610B oscillator wiring
Some info from Beitmans says late production. David   David — 06:06 PM
Restoring Philco 96
Oh wow! Just found this thread.  Brings me back to early days on this phorum.  I did a 96 back in 2017.  Thread here: ...rfeenstra — 06:05 PM

[-]
Who's Online
There are currently 2879 online users. [Complete List]
» 1 Member(s) | 2878 Guest(s)
Avatar

>