REC button presser. Part 3 of using Sony DAT-2500A/2500B DAT for SDIF-2 (PCM1630) to S/PDIF digital.

You will have seen in parts 1 and 2 of this series, how I set up and modified a Sony PCM2500A/B DAT recorder to act as a go between from the obsolete and obscure SDIF-2 digital output of a PCM1630 Umatic based digital audio system, to this modern digital audio recorder with normal S/PDIF digital input.    • Attempt to use Sony PCM-2500A/2500B DAT re...      • Part 2, some success!  Sony DAT-2500A/2500...   However what I hadn't realised at the time, is that if you don't press the REC button on the DAT machine, more often than once every 10 minutes, it will drop out of the E-E mode that we are depending on to get our signals. My son got fed up pressing the button every few minutes so it was time to find a better solution. 00:00 Intro 01:48 Timer 03:33 Analogue switch 04:58 Circuit built 06:00 555 Reset operation undefined 07:01 PCM-2500A keypad schematic 08:46 First attempt fail 11:10 Board error 11:50 Try again 13:17 Will it work without a tape? 14:22 Good solution 14:48 Wireless microphones Audio and video transfers: https://www.video99.co.uk/ Please support us on Patreon   / video99couk   or Paypal to [email protected] Music “Let It Run” with permission, copyright Cristie/MacFarlane. Sorry I do not offer an audio or video equipment repair service.