🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: sci.electronics.repair
Article #1259

Re: Internal Modem Problem - NO DIALTONE (analogue problem?)

#1259
From: John Chapple
Date: Mon, 20 Oct 1997 00:00
46 lines
2738 bytes
In article <877171630snz@longley.demon.co.uk>, David Longley
<David@longley.demon.co.uk> writes
>In article <877106093snz@inf-eden.demon.co.uk>
>           News@inf-eden.demon.co.uk "Chris Kennington" writes:
>
>> In article <876818758snz@longley.demon.co.uk>
>>            David@longley.demon.co.uk "David Longley" writes:
>> 
>> "The  modem  is recognized by the PC in DOS, and  responds  to  AT
>> "commands  with OK and passes diagnostics. The problem is that  it 
>> "never picks up the line and always responds with NO DIALTONE.
>> "
>> "I've swapped leads and suspect a problem in the analogue side  of 
>> "the board, maybe a relay?
>> 
>>     Well, David, after reading the other posts, you can easily
>>  tell if it is a dialtone problem or something more deep-seated by
>>  setting it to blind-dial .....
>> 
>>     Also, set it to "speaker always on" and report on the noises
>>  heard!
>> 
>>     Presumably you are aware that dialtones vary widely across the
>>  world?  In many places (such as my friends in Nepal),
>>  blind-dialling is de rigueur.
>> 
>>                                         Chris
>> -- 
>> Chris Kennington (in news-reader mode)
>> Reply to me as "cjk <at> inf-eden.demon.co.uk", replacing the <at>
>> 
>> 
>I'm  pretty sure its a bad relay or transformer on  the  analogue 
>side. I need these components but don't know where to get them  - 
>anyone got a dead (on the digital side) 1428VQH?
Hi David!
Maplins (UK) supply several that may fit, you need to check the pin
alignment (they're usually the rectangular blocks with about 6/8 feet
underneath! (good description :-)!!) If you're lucky they'll actually
give the type on the case
regards

John Chapple                                              Phone(+44) 1233 712868
'There are too many bright lights going out' (*not* Diana!) Fax(+44) 1233 713698
Dave Powers (esp relevant now: see www.dti.gov.uk/pubs & pgp)
Technical Details
Message-ID: <NoBxOPAr0vS0EwLH@ch-w.demon.co.uk>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail
References: <876818758snz@longley.demon.co.uk> <877106093snz@inf-eden.demon.co.uk> <877171630snz@longley.demon.co.uk>

Show Full Headers
Complete Article Headers
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10c6a1,ff0d73fc84201cca
X-Google-Attributes: gid10c6a1,public
X-Google-Thread: 1036bc,ff0d73fc84201cca
X-Google-Attributes: gid1036bc,public
X-Google-Thread: 1131b0,ff0d73fc84201cca
X-Google-Attributes: gid1131b0,public
From: John Chapple <jc@ch-w.demon.co.uk>
Subject: Re: Internal Modem Problem - NO DIALTONE (analogue problem?)
Date: 1997/10/20
Message-ID: <NoBxOPAr0vS0EwLH@ch-w.demon.co.uk>
X-Deja-AN: 281947131
References: <876818758snz@longley.demon.co.uk> <877106093snz@inf-eden.demon.co.uk> <877171630snz@longley.demon.co.uk>
Distribution: world
X-NNTP-Posting-Host: ch-w.demon.co.uk [158.152.32.219]
Organization: Chapple Hamlin-Wright
Newsgroups: sci.electronics.repair,demon.tech.pc,comp.periphs