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First, check the power supply voltage. And check when 857 is powered off and on. There should be virtually no difference in power supply voltage.

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Regards,

Tony F.

VA7TF? VE7ACF

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From: Thierry via groups.io
Sent: July 27, 2022 9:11 AM
To: [email protected]
Subject: [FT-857] Switching on/off my FT-857D

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Hi folks,

For the very first time, my old FT-857D is messing around.
When I push the Power ON/OFF to switch off the radio, the front panel stop displaying the informations from the VFO but don't switch off totally the radio. The LCD is still illuminated !
And switching on again don't bring the display back. The only solution is to switch off the power supply.
The problem is I need sometimes to switch on/off again several time the power supply to get the radio running again.
I think in no time, I won't be able to switch on again the radio
Any suggestion about what to check ?

Many thanks in advance,

73 de Thierry, F4GVO

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Tony
VA7TF? VE7ACF