UK Vintage Radio Repair and Restoration Powered By Google Custom Search Vintage Radio and TV Service Data

Go Back   UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Radio (domestic)

Notices

Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only.

Closed Thread
 
Thread Tools
Old 21st Jan 2021, 5:01 pm   #61
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Newbie Seeking guidance on PYE P76

On MW the resistor is shunted by the 15 Ohm LW coil.

Lawrence.
ms660 is offline  
Old 21st Jan 2021, 6:18 pm   #62
NewbieBrian
Triode
 
Join Date: Jan 2021
Location: Aldershot, Hampshire, UK
Posts: 29
Default Re: Newbie Seeking guidance on PYE P76

Quote:
Originally Posted by ms660 View Post
On MW the resistor is shunted by the 15 Ohm LW coil.

Lawrence.
Thank you.
That explains what I found then.
NewbieBrian is offline  
Old 21st Jan 2021, 6:36 pm   #63
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Newbie Seeking guidance on PYE P76

The switch pertaining to that is shown in the Trader sheet (switch ref. S8) but in the manufactures schematic that I looked at it isn't shown.

Lawrence.
ms660 is offline  
Old 21st Jan 2021, 8:26 pm   #64
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Newbie Seeking guidance on PYE P76

Correction to my last post, the switch is shown but it's not shown making any contact, it's the unshaded, part circular shape....

Lawrence.
ms660 is offline  
Old 21st Jan 2021, 10:58 pm   #65
NewbieBrian
Triode
 
Join Date: Jan 2021
Location: Aldershot, Hampshire, UK
Posts: 29
Default Re: Newbie Seeking guidance on PYE P76

Quote:
Originally Posted by ms660 View Post
Correction to my last post, the switch is shown but it's not shown making any contact, it's the unshaded, part circular shape....

Lawrence.
Thank you.
So if i understand correctly referring to the 1141 trader sheet the path to ground from the aerial passes through S3 through the coil on L5 then through S8 to ground because this path offers less resistance than through the resistor between aerial and earth sockets and the term 'shunt' describes this situation.

I did the other day refer to the switch table on sheet 1141 and put different coloured lines adjacent to all the switches on the circuit diagram to show which ones were closed with the band switch in each position.
It has made it much easier when I am attempting to follow path of current.
NewbieBrian is offline  
Old 22nd Jan 2021, 11:05 am   #66
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Newbie Seeking guidance on PYE P76

Yes that's right.

It's a lot easier to figure that out in the Trader schematic than it is in the manufactures.

Lawrence.
ms660 is offline  
Closed Thread

Thread Tools



All times are GMT +1. The time now is 12:28 am.


All information and advice on this forum is subject to the WARNING AND DISCLAIMER located at https://www.vintage-radio.net/rules.html.
Failure to heed this warning may result in death or serious injury to yourself and/or others.


Powered by vBulletin®
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Copyright ©2002 - 2023, Paul Stenning.