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Akai GX-270D Quick Start Manual
Akai GX-270D Quick Start Manual

Akai GX-270D Quick Start Manual

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Quick Reference Guide to AKAI GX-270D:
Page:
2
location of the circuit boards, action list
3
component layout of the rec & pb boards
4
component layout of the power supply & system
control boards
5
component layout of servo control & peak level pcb
location of adjustment / calibration pots / coils etc.
6
component list per circuit board
Akai GX-270D |
www.reeltoreel.nl
| Philip van der Matten | ver 1.2 | 14 aug 2024 | page 1 of 7

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Summary of Contents for Akai GX-270D

  • Page 1 Quick Reference Guide to AKAI GX-270D: Page: location of the circuit boards, action list component layout of the rec & pb boards component layout of the power supply & system control boards component layout of servo control & peak level pcb location of adjustment / calibration pots / coils etc.
  • Page 2 □ motor caps 5µF/150V capstanmotor + 2x 4µF/250V spoolmotor. could be replaced if necessary □ big 330µF/160V high ripple cap could be replaced *) All specs are for the CEE 220/240V version Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 2 of 7...
  • Page 3 100/6,3 47 10/16 C1845 watch orientation 1/25 10/16 10/16 1/25 10/16 10/16 10/16 10/16 10/16 10/16 output 4,7/25 4,7/25 Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 3 of 7...
  • Page 4 (2222) 220/25 470/50 220/35 diode FR207 4x diode FR207 4x 0,47µF/250V MP/film/foil (2x) Sparkkiller 0,1µF+120Ω (7x) Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 4 of 7...
  • Page 5 Bias leak: L1a c25a freq resp c25b Playback amp pcb UNDERSIDE rec amp pcb a = left b = right Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 5 of 7...
  • Page 6 27 caps in total 100/25 Total 84 + 7 sparkkillers [**some caps are combined at a higher voltage for convenience**] Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 6 of 7...
  • Page 7 Bias leak: L1a c25a freq resp c25b Playback amp pcb UNDERSIDE rec amp pcb a = left b = right Akai GX-270D | www.reeltoreel.nl | Philip van der Matten | ver 1.2 | 14 aug 2024 | page 7 of 7...