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Quiet or no dial tone in a GPO 706
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17th May 2020, 2:21 pm
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pip5678
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Join Date: Jan 2019
Location: Manchester, UK.
Posts: 163
Re: Quiet or no dial tone in a GPO 706
Looking at diagram N806 shouldn't you see the value of R1 in series with part of the induction coil across T1 and T2 with handset disconnected and switch hooks open (handset down)?
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