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 Post subject: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Jul Fri 31, 2020 6:33 pm 
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Joined: Jun Sun 22, 2008 2:03 am
Posts: 909
Location: Burke, VA 22015
This radio was first listed on Ebay in mid-December of 2019. I wanted it for my collection but the opening bid and shipping cost were too high for its not-so-desirable cosmetic condition. I saved the listing and completely forgot about it.

I stumbled on the same listing two weeks ago but this time the opening bid was much lower and the shipping cost was nearly halved. Instead of placing a bid, I made an offer a couple dollars below the opening bid which was surprisingly accepted. Now I have Westinghouse radio with a not very common pink/coral color at a bargain price.

As can be seen in the pictures that came with the listing, the radio was very dirty. The brass tuning knob was heavily tarnished. The plastic area around the tuning knob was colored with some sort of maroon marker. There was a big dent in the speaker grill. There were deep scratches on the back. However, the chassis looked complete and not damaged by battery leaks.
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To facilitate the detailing, I decided to completely disassemble the radio. After pulling out the tuning knob, the chassis was easily removed from the front plastic shell since it is secured by a single screw. The speaker grill was carefully removed to flatten out the dent from its back. With two halves of the plastic case bared, it was easier to clean and polish them. After spending several hours using Novus 2 and paper towel, I was able the remove most of the scratches on the back and maroon spots on the front. The case is shiny and its original color is restored. The tarnish on the brass knob was easily with Brasso. I just let a dab of Brasso sit on the metal surface for half a minute without scrubbing, gently wiped it off and rinsed the whole thing with water. The interior of the plastic case was cleaned with alcohol and cotton swabs.

Amazingly the radio still works even though it produces hissing sounds when stations are tuned like a regenerative radio. This indicates that the B+ bypass capacitor is open. Those who have worked on this type of Westinghouse radio before know that its chassis is not service-friendly at all. The metal speaker assembly has to be de-soldered and removed from the circuit board to gain access to components for replacement or alignment. There are only two electrolytic capacitors, a 40uF/10V for bypassing the positive supply to the RF sections and a 40uF/3V for AGC. The bypass capacitor was replaced with a low ESR 120uF/35V. The AGC capacitor was replaced with a 33uF/16V that measures to about 39uF. After a quick tweaking of the IF transformers and the oscillator trimmer, the radio acceptably works. Probably another more careful adjustment is needed but I'll leave as it for now.

The transistors are all TI and they are:

R223 PNP Oscillator
2N1108 PNP Mixer Ge 16V 5mA 30mW 35mHz Cob=1.5pF hFEmin=45 TO22
2N146 NPN 1st IF Amp Ge 20V 5mA 65mW 0.7MHz Cob=2pF hFEmin=50 TO22
2N254 NPN 2nd IF Amp Ge 20V 5mA 65mW 1MHz hFEmin=20 TO22
2N94 NPN Detector Ge 20V 100mA 150mW 1MHz Cob=22pF hFEmin=50 TO22
2N238 PNP AF Driver Ge 20V 150mA 50mW 1.3MHz hFEmin=45 TO22
S083 PNP Audio Output
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Binh


Last edited by bb.odin on Jul Fri 31, 2020 8:01 pm, edited 1 time in total.

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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Jul Fri 31, 2020 7:29 pm 
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Joined: Sep Fri 15, 2006 2:43 pm
Posts: 640
Location: Long Beach, CA.
I like it, great job.

Mark


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Jul Fri 31, 2020 7:36 pm 
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Joined: Oct Mon 02, 2017 8:53 am
Posts: 615
Location: Panama City, FL 32401
Very nice, I love that Coral color.


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Jul Fri 31, 2020 9:35 pm 
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Joined: Oct Mon 26, 2009 10:02 pm
Posts: 6486
Location: Indianapolis, IN
Excellent job, Binh ! That is now a true beauty !

Also glad to know that you are okay as you haven't posted for a long while...

Here is my brown version, the H-693P8. The old ARF project thread is here if interested: viewtopic.php?f=4&t=285676

John


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Sat 01, 2020 7:02 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 35428
Location: SoCal, 91387
Congrats on a restoration well done! Yeah, Westinghouse Transistor sets can be a real PITA to service electronically.
Here are some of mine. Your Coral definitely looks snazzier than my green.


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Sat 01, 2020 12:13 pm 
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Joined: May Sat 14, 2011 5:42 am
Posts: 3965
Location: Ft Worth TX
I had the ivory one seen in fifties' photo. Forerunner to 695 IINM. The rear case looks as though they might be interchangeable. Wish I still had the DX log I compiled with that set as a sleepless early teen. It even sounded pretty good compared to say, the tinny Sonys that came later.

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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Sat 01, 2020 5:40 pm 
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Joined: Aug Sat 16, 2014 2:19 am
Posts: 1668
Location: Palos Verdes, CA
bb.odin - Nice restoration of the Westinghouse H695P8! I have only one Westinghouse transistor radio, a H-621P6, which I recently got working. Fortunately, the H-621P6 is a large radio and it was easy to work on as the main problem was corrosion due to battery leakage. The Motorola T561 transistor radio also has the speaker soldered to the chassis. I wonder why other manufacturers didn't design their transistor radios so they could be repaired like many of the vintage Zenith radios. - Mark


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Sun 02, 2020 2:41 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 35428
Location: SoCal, 91387
3Transistors wrote:
I wonder why other manufacturers didn't design their transistor radios so they could be repaired like many of the vintage Zenith radios. - Mark

I don't think that repair service was in their designer's minds at the time. When I took an electronics repair course from Bell and Howell in the early '70's, they stated that not much time should be given to pocket Transistor radios brought in for repair, as it would be cheaper to simply replace them than fix them.

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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Sun 02, 2020 4:26 pm 
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Joined: Aug Sat 16, 2014 2:19 am
Posts: 1668
Location: Palos Verdes, CA
When Sony introduced the TR-610 in 1958, it was smaller than the TR-63 and a big seller for Sony:

https://www.jamesbutters.com/sonytr610.htm

As other manufacturers came out with small transistor radios, prices came down considerably and then radios would just be replaced instead of being repaired. I imagine that Sony decided to put a handle on the TR-610 as a number of TR-63 radios probably met their demise when they were accidentally dropped and their plastic cases shattered. - Mark


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Tue 04, 2020 5:06 am 
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Joined: Aug Wed 26, 2009 1:50 am
Posts: 1499
Location: Mesquite NV 89027 (from Coventry, UK)
Great restoration Binh. I really like that coral color.


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Wed 05, 2020 10:59 pm 
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Joined: Aug Thu 17, 2017 12:29 pm
Posts: 43
Location: Dallas, TX
A bit late to the party but very nice job. Would like to read more about the grill flattening.

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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Wed 05, 2020 11:18 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 10832
Location: Omak,wa,usa
Hello bb.odin,
great radio a real beauty
Yes glad to see you up and around I enjoy your posts


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 Post subject: Re: Pink Westinghouse H695P8 Radio Restoration
PostPosted: Aug Wed 05, 2020 11:26 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 10832
Location: Omak,wa,usa
Hello Binh ,
why did you pick that value for The bypass capacitor was replaced with a low ESR 120uF/35V. instead of a 47ufd ?
I have been on a look out for this model to add to my collect of transistor radios .
I enjoy listening to them on my local station and my transmitter


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