Stereo MPX Decoder for old Sony

Thread Rating:

0 Vote(s) - 0 Average
1
2
3
4
5

Linear Mode

Stereo MPX Decoder for old Sony

toptip
Junior Member

Posts: 9
Threads: 0
Joined: Feb 2024
City: NYC State, Province, Country: NY

#25

02-22-2024, 10:06 PM

This is the same chip, used with negative ground. I suppose I could do enough surgery to change things from positive to negative but might be easier to build a new circuitboard. I wish I could find the original datasheet with a simple schematic.

Attached Files Image(s)

Find

« Next Oldest | Next Newest »

Messages In This Thread

Stereo MPX Decoder for old Sony - by OZ4 - 08-31-2021, 12:03 AM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-02-2021, 11:04 PM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-03-2021, 12:03 AM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-13-2021, 05:30 PM

RE: Stereo MPX Decoder for old Sony - by Ron Ramirez - 09-13-2021, 09:02 PM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-13-2021, 09:38 PM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-13-2021, 10:07 PM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-13-2021, 10:35 PM

RE: Stereo MPX Decoder for old Sony - by EdHolland - 09-21-2021, 01:04 PM

RE: Stereo MPX Decoder for old Sony - by Ron Ramirez - 09-21-2021, 01:15 PM

RE: Stereo MPX Decoder for old Sony - by radiorich - 09-21-2021, 11:35 PM

RE: Stereo MPX Decoder for old Sony - by OZ4 - 09-22-2021, 02:18 PM

RE: Stereo MPX Decoder for old Sony - by radiorich - 09-22-2021, 08:46 PM

toptip - by toptip - 02-12-2024, 02:13 PM

RE: Stereo MPX Decoder for old Sony - by RodB - 02-13-2024, 11:31 AM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-13-2024, 11:46 AM

RE: Stereo MPX Decoder for old Sony - by radiorich - 02-13-2024, 03:34 PM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-13-2024, 04:19 PM

RE: Stereo MPX Decoder for old Sony - by radiorich - 02-13-2024, 11:06 PM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-14-2024, 12:23 AM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-14-2024, 12:48 AM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-14-2024, 12:54 AM

RE: Stereo MPX Decoder for old Sony - by toptip - 02-21-2024, 03:58 PM

RE: Stereo MPX Decoder for old Sony - by RodB - 02-21-2024, 04:48 PM

toptip - by toptip - 02-22-2024, 10:06 PM

View a Printable Version

Users browsing this thread: 5 Guest(s)

Recent Posts
Looking for verification of correct schematic.
Definitely 870044RossH — 01:12 PM
12' Philco
Wonder if the chassis was big too.daveone23 — 12:38 PM
Philco 38-2 Automatic Tuning
Hi Ron, I have sent Radio Daze my concerns with the dial so I guess we will see. They used my original to make the repro...dconant — 12:27 PM
462ron
Hi Dan, your original dial appears to be lighter, easier to allow light through. My original is similar except it’s crac...462ron — 12:07 PM
Philco 38-2 Automatic Tuning
I received my new 38-2 dial. I'm a little disappointed. As you can see in the picture the blues have a white shadow. The...dconant — 11:13 AM
Philco 38-2 Low Volume
I have been playing my 38-2 for a while now and it is doing very well. I did have to replace the 6A8 (osc) as it develop...dconant — 11:03 AM
Philco Speaker Spider
Hello, Does anyone with a 3 D printer make the spiders for those old Philco speakers? That might be a good idea for some...dconant — 09:41 AM
Philco 16B Parts
Hello, I'm looking to buy a 16B but I'm not so sure of what I am looking at. First as seen from the picture it looks lik...dconant — 09:17 AM
Looking for verification of correct schematic.
Klondike98, Thank you. I'll double check that SN and get back to you. GarySP, Thank you for the schematic.RossH — 12:13 AM
Looking for verification of correct schematic.
I think you have the correct take on your set. Ron's annotated early schematics that note the below B22000 serial numbe...klondike98 — 12:04 AM

Who's Online

There are currently 1700 online users. [Complete List]
» 1 Member(s) | 1699 Guest(s)

Login
Username:
Password:	Lost Password?
	Remember me