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Oakley Sound Systems

Rack Power Supply Unit
(RPSU)

PCB Issue 1

Builder's Guide

V1.1

Tony Allgood
Oakley Sound Systems
CARLISLE
United Kingdom

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Summary of Contents for RPSU

Page 1: ...Oakley Sound Systems Rack Power Supply Unit RPSU PCB Issue 1 Builder s Guide V1 1 Tony Allgood Oakley Sound Systems CARLISLE United Kingdom 1...

Page 2: ...iring diagrams This can be found on the RPSU webpage For general information regarding where to get parts and suggested part numbers please see our useful Parts Guide at http www oakleysound com parts...

Page 3: ...stors All resistors are 0 25W 1 metal film or better 47R R5 240R R3 R4 2K2 R1 R2 10K R6 If the RPSU is to be used within a project featuring an internal mains transformer then R5 should be a wire link...

Page 4: ...the board for fault finding use or to the front panel as a power on indicator For the latter I would suggest that you fit 2 way 0 1 KK or MTA header on the board in place of the LED 5mm green LED AC...

Page 5: ...sh For mounting of U1 and U2 to panel Heatsink paste For mounting of U1 and U2 to panel if using mica plates Suitable power switch Suitable power socket Various screws washers and other mounting hardw...

Page 6: ...e leads of the two power devices The three legs need to be bent upwards so that the PCB can be fitted over them Note that the top surface of the device is marked with the name of the component and it...

Page 7: ...f the tab You may find the mounting bush does not stick out from the underside of the regulator This is fine you will just need to be a little more careful that the pad doesn t slip when you fasten th...

Page 8: ...o ground This means connect your black lead of your voltmeter to the pad marked EARTH on the RPSU board Now measure the voltage at pin one of the header the top one it should be positive and be somewh...

Page 9: ...rlow and I are on this group as well as many other users and builders of Oakley modules If you have a comment about this user manual or have a found a mistake in it then please do let me know Last but...

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