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  1. Link555

    Yamaha PM-180 Recap and PCB Trace Repairs

    The only opinion that matters is the owners :). The input transformer seems decent. It seems to have slight bump around 4K and starts to rolls off around 80 hz. The unit has decently low noise floor and has a good amount of gain. I believe this is destined to be used as a sub mixer, but adding...
  2. Link555

    Yamaha PM-180 Recap and PCB Trace Repairs

    Only a few were gone, but the request was to refresh all of the electrolytics. There were a lot of electrolytics in the signal path on this unit. What was nice was there were only four standard 10uf,47uf, 100u and 470u.
  3. Link555

    Yamaha PM-180 Recap and PCB Trace Repairs

    The pm-180 is back together. Recapped and few a repairs. The main power supply dropping resistors were burnt open. I replaced the 1/2 watt Resistors with 3W. I changed the power cord, because even the unit was properly grounded inside, some cut the ground prong off the chord. Aside from the...
  4. Link555

    Yamaha PM-180 Recap and PCB Trace Repairs

    Just a recap and repair. Their have been 4 trace repairs. The age has not treated the pcbs well. Pads were lifted around the transistors, almost same area on all the boards. Only one was ok so far.
  5. Link555

    Analog Recording

    Well actually they are both single ended unbalanced connectors, meaning have two conductors, +ve signal and return path connection. Both RCA style connectors and unbalanced 1/4" connectors essentially do the same thing. Its been my experience that RCA jacks are slightly more prone to wear...
  6. Link555

    Analog Recording

    There is a monitor out, and the aux sends?
  7. Link555

    Analog Recording

    Yes the Master faders are in the path of the Sub in, you would have to modify the mixer to change that. Glad you figured it out.
  8. Link555

    Yamaha PM-180 Recap and PCB Trace Repairs

    I am eager to hear how those little input xfmrs sound....
  9. Link555

    Does a recording studio require a Mixer ?

    Thats awesome!
  10. Link555

    Analog Recording

    Good News
  11. Link555

    Analog Recording

    Sub In does not patch through to the tape it only goes to the line out. Adapters(RCA to 1/4") are your best option. If the signal level is too I can show you how to make a pad.
  12. Link555

    Analog Recording

    Best thing is buy two adapters and plug into the line ins
  13. Link555

    Analog Recording

    yes... it does not to go to tape, only to line out.
  14. Link555

    Analog Recording

    Those inputs go to the main bus pre master fader, with input signal to the portastudio and the master fader up do you see single on the portastudio?
  15. Link555

    Analog Recording

    Ok Good News. Ok so now can you re-patch the RCA output of the mixer to the channel 1 and 2 two inputs? Do you have a male RCA to Male 1/4" TS adapters? RCA to 1/4" TS
  16. Link555

    Analog Recording

    I am struggling to understand why you main bus LED meter on the DM 12 is not working.
  17. Link555

    Analog Recording

    Is there a PFL (solo) active?
  18. Link555

    Analog Recording

    But he LED meter on the on mixer does not light up with the signal?
  19. Link555

    Analog Recording

    Is the signal to the PA working?
  20. Link555

    Analog Recording

    no lights on the mixer? Simple questions first: is there an active input signal on the mixer bus? are the master faders up?
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