• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

power board

  1. G

    SX-1010 schematic early build Mars 1974

    Hello. I am searching for schematic to the sx-1010. The one i find has not the components i have in my receiver. ex. Power board Q1 is BD243C and in the schematic i found there is 2SD313P. SO... have the Q1 changed or are my Q1 wrong ? Q1 does not appear to have been replaced The build of my...
  2. C

    Pioneer SA-9800 unobtainium SK34 JFETs. Has anyone found an equivalent solution?

    Hi, I'm struggling to replace those pesky SK34 JFETs s on the power supply board of my Pioneer SA-9800 blue line. It's the AWR 196 (HG UK version with double voltage regulator transistors), but the SK34s are on all the power board versions. Initially I had a bad 100Hz hum that I previously...
  3. akadrhouse

    Marantz 2216 C803 question

    I am rebuilding the power supply board (p800) on my 2216. I bought a 5600uf/63v to drop into the 4700ug/55v in position C803. It had a "dummy Lug" with 3 spots. The diagram indicates the + to - span (see pic). My new capacitor won't span that. Leads are wide enough. It will span from pos to...
  4. RawWattage

    Yamaha CR-2020 Power Board & Electrolytic Cap. Board Kits?

    Hello all, Been rehabilitating the old YamaHamma as best I can but these boards are just falling apart. I know these components are famous time-bombs. Lets say I had brand new boards and all the upgraded components, would any body be interested in buying these as a do-it-yourself kit...
    • RawWattage
    • Thread
    • cr-2020 parts power board yamaha
    • Replies: 32
    • Forum: Yamaha
Back
Top Bottom