Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Posted to sci.electronics.repair
external usenet poster
 
Posts: 1,220
Default Binatone answer machine , model 3900 from 1981

I know its ancient but the owner does not like the new ones that loose
contents on power failure, has standard tapes for messages he can archive,
does not auto rewind to message tape start, 20 minute long messages possible
etc. No message count is the only down side.
I've not repaired one for 15 years or so , so i'm rusty.

It was not responding to anyone dialing in, ie no OGM.
Of course I try it with telco's "line test facility" and it works fine as
far as starting OGM and starting record cycle at end of that, so presumably
an intermittant fault.
The phone lead and plug are fine but
I've not fully taken it apart yet. Other than checking for worn belts,
slippy pulleys, corrosion on manual-change function-switch and change the
cap that charges up analogue fashion after a pot-settable approx number of
rings is there anything else to check. ?


--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/




  #2   Report Post  
Posted to sci.electronics.repair
external usenet poster
 
Posts: 4,069
Default Binatone answer machine , model 3900 from 1981

In article , N Cook
writes

It was not responding to anyone dialing in, ie no OGM.
Of course I try it with telco's "line test facility" and it works fine as
far as starting OGM and starting record cycle at end of that, so presumably
an intermittant fault.


Is the owner using it on a properly wired extension - i.e. one that has
the ring wire connected to pin 3? The machine might not be detecting
ringing due to a faulty or incorrectly wired extension at the owner's
premises (which is why it works for you).

--
(\__/)
(='.'=) This is Bunny. Copy and paste Bunny into your
(")_(") signature to help him gain world domination.
  #3   Report Post  
Posted to sci.electronics.repair
external usenet poster
 
Posts: 1,220
Default Binatone answer machine , model 3900 from 1981

Mike Tomlinson wrote in message
...
In article , N Cook
writes

It was not responding to anyone dialing in, ie no OGM.
Of course I try it with telco's "line test facility" and it works fine as
far as starting OGM and starting record cycle at end of that, so

presumably
an intermittant fault.


Is the owner using it on a properly wired extension - i.e. one that has
the ring wire connected to pin 3? The machine might not be detecting
ringing due to a faulty or incorrectly wired extension at the owner's
premises (which is why it works for you).

--
(\__/)
(='.'=) This is Bunny. Copy and paste Bunny into your
(")_(") signature to help him gain world domination.


there's only 2 wires actively connected to the innards


  #4   Report Post  
Posted to sci.electronics.repair
external usenet poster
 
Posts: 4,069
Default Binatone answer machine , model 3900 from 1981

In article , N Cook
writes

there's only 2 wires actively connected to the innards


Unusual for a machine of that age, especially if it's BT approved.

--
(\__/)
(='.'=) This is Bunny. Copy and paste Bunny into your
(")_(") signature to help him gain world domination.
  #5   Report Post  
Posted to sci.electronics.repair
external usenet poster
 
Posts: 1,220
Default Binatone answer machine , model 3900 from 1981

Mike Tomlinson wrote in message
...
In article , N Cook
writes

there's only 2 wires actively connected to the innards


Unusual for a machine of that age, especially if it's BT approved.

--
(\__/)
(='.'=) This is Bunny. Copy and paste Bunny into your
(")_(") signature to help him gain world domination.


It has one of those green blobs on the back with also a "Post Office
Certification" sticker but whether they were transfered by Dellboy I've no
way of knowing

--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/





  #6   Report Post  
Posted to sci.electronics.repair
b b is offline
external usenet poster
 
Posts: 764
Default Binatone answer machine , model 3900 from 1981


N Cook wrote:
It has one of those green blobs on the back with also a "Post Office
Certification" sticker but whether they were transfered by Dellboy I've no
way of knowing


In any device that old, I would start by checking or replacing any
relays. chances are the contacts have been tarnished with exposure to
air, arcing or just plain wear and tear. I recently had to clean up a
few on one of those early 80s sharp 'vz-' vertical turntables.
-B.

Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
CANDY WASHING MACHINE MODEL AQ 100 JOHN L UK diy 1 March 22nd 06 10:45 PM
Response 400 answer machine - no response N Cook Electronics Repair 2 November 2nd 05 02:43 PM
Help - need Binatone Avon 200 Phone manual paddy spencer UK diy 6 February 10th 05 08:36 PM
Binatone MD 750 Twin (Micro Dect) Andy Mabbett UK diy 11 August 20th 04 04:18 PM
Help! - October 1981 issue of ETI luke Electronics 0 January 10th 04 02:43 PM


All times are GMT +1. The time now is 06:42 PM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 DIYbanter.
The comments are property of their posters.
 

About Us

"It's about DIY & home improvement"