HP-21S modified?
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11-16-2016, 01:16 PM
Post: #4
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RE: HP-21S modified?
Hi,
I was curious about the PCB variants on some of my Pioneer specimens. Here it are: HP-20S 3404S: ![]() HP-21S 2939A: ![]() HP-32SII 3525S: ![]() HP-42S 3219S: What about that strange looking object underneath the back cover and over the pcb metal plate? It looks like a 4-pin connector to me. I never noticed it there, but as I never opened a 42s I really can't tell. Anyone? ![]() ![]() ![]() Jose Mesquita RadioMuseum.org member |
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Messages In This Thread |
HP-21S modified? - PANAMATIK - 11-15-2016, 09:32 PM
RE: HP-21S modified? - Maximilian Hohmann - 11-15-2016, 09:45 PM
RE: HP-21S modified? - PANAMATIK - 11-15-2016, 09:53 PM
RE: HP-21S modified? - jebem - 11-16-2016 01:16 PM
RE: HP-21S modified? - Maximilian Hohmann - 11-16-2016, 04:29 PM
RE: HP-21S modified? - jebem - 11-16-2016, 05:28 PM
RE: HP-21S modified? - ElectroDuende - 11-20-2016, 08:27 PM
RE: HP-21S modified? - Christoph Giesselink - 11-21-2016, 07:23 PM
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