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Old 17th May 2020, 5:10 pm   #24
pip5678
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Join Date: Jan 2019
Location: Manchester, UK.
Posts: 163
Default Re: Quiet or no dial tone in a GPO 706

Quote:
Originally Posted by Sparks View Post
Pip, hope I understood.

T1 to coil Tag 3 is 0.5 ohms
T1 to coil Tag 2 is 6.1 ohms
Coil Tag 2 to R1 (left hand side) is 0.5 ohms
Coil Tag 2 to R1 (right hand side) is 173 ohms
T2 to R1 (right hand side) is 0.5 ohms.
That sounds ok, better than we got before 'T1 to T2 is open circuit with the handset disconnected.'

I'll stand down a while as Wayne is giving some good advice and I don't want to cause confusion or duplication.
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