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ALLEN

&

HEATH 

  

WARNING – HIGH VOLTAGES 

Power Supply Unit (PSU) work should only 

be carried out by qualified personnel. 

We recommend that you use an approved Allen & Heath 

service centre for all power supply work. 

Please contact your local Allen & Heath distributor for more details. 

http://www.allen-heath.com/

  

Summary of Contents for GL 2000

Page 1: ... Unit PSU work should only be carried out by qualified personnel We recommend that you use an approved Allen Heath service centre for all power supply work Please contact your local Allen Heath distributor for more details http www allen heath com ...

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Page 17: ...INTERNAL COMPONENTS BY MISHANDLING AND OR MISCONNECTION ONLY TECHNICALLY COMPETENT PERSONNEL SHOULD ATTEMPT SERVICE WORK ON THIS UNIT ANYSERVICEWORK SHOULDBEUNDERTAKENONLYAFTERDISCONNECTING THE MAINS SUPPLY LEAD FROM THE POWER SUPPLY UNIT POWER SUPPLY SECTION C ...

Page 18: ... any special cooling arrangement but should not be covered in any way Always stand the unit on a firm flat surface well away from any soft furnishings THE POWER SUPPLY AND CONSOLE EARTHING The GL2000 power supply is a linear power supply which like other linear supplies produces DC voltages by rectifying smoothing and regulating AC voltages from the secondary windings of a mains transformer The co...

Page 19: ...nd 2 heatsink fixings D 2 Carefully lift the heatsink and PCB assembly clear of the PSU sub chassis and unscrew the screw and nut of the regulator IC that requires replacing Take care to retain the small insulating bush beneath the head of the screw and the insulating SIL pad under the regulator 3 Rotate the assembly to gain access to the solder side of the PCB and desolder the three terminals att...

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