UK Vintage Radio Repair and Restoration Discussion Forum

UK Vintage Radio Repair and Restoration Discussion Forum (https://www.vintage-radio.net/forum/index.php)
-   Vintage Tape (Audio), Cassette, Wire and Magnetic Disc Recorders and Players (https://www.vintage-radio.net/forum/forumdisplay.php?f=35)
-   -   Dynatron HFC38 cassette section (https://www.vintage-radio.net/forum/showthread.php?t=197459)

Michael Maurice 14th Jan 2023 12:44 pm

Dynatron HFC38 cassette section
 
I am restoring this music centre which is fitted with the SRX26 chassis and a modified Philips N2505 cassette recorder.

Someone has cut the Din plug cable that goes from the cassette deck to the main chassis.

There is a separate PCB which is not a Philips one that sits in the corner, There are no diagrams for this.

Does anyone know where it connects to, or better still does anyone have one that they could photograph for me.

DMcMahon 14th Jan 2023 4:39 pm

Re: Dynatron HFC38 cassette section
 
Are there no clues in the SRX26 Service Manual ?

David

Michael Maurice 15th Jan 2023 12:17 am

Re: Dynatron HFC38 cassette section
 
Unfortunately not

vinrads 15th Jan 2023 11:05 am

Re: Dynatron HFC38 cassette section
 
Hi Michael are you saying that it was hard wired originally, I would have thought there would have been some remnant of the cable if it was cut. Mick.

Edward Huggins 15th Jan 2023 3:47 pm

Re: Dynatron HFC38 cassette section
 
Might this be some kind of simple attentuator/pre-amp that matches the Philips record/replay electronics to the Dynatron's audio section input?

Michael Maurice 16th Jan 2023 3:30 pm

Re: Dynatron HFC38 cassette section
 
The panel doesn't appear to have any active components but it does have a slide switch, I'll have to see what actuates it.

The original cable was a short 4 core screened cable, hard wired to the machine and terminating in a 5 pin din plug.

dazzlevision 23rd Jan 2023 5:36 pm

Re: Dynatron HFC38 cassette section
 
3 Attachment(s)
Here are some phone camera shots of the relevant HFC38 service manual relating to the tape interface board and wiring.

Michael Maurice 24th Jan 2023 1:02 am

Re: Dynatron HFC38 cassette section
 
Thank you Dazzlevision, but for some reason the board on mine has a switch operated in playback. I.m going to look into it a bit further.


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