Audio Research REF75SE Update Procedure Download | Manualshive

Page: 11 / 12

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PROCEDURE FOR:

REF75SE Update

PAGE: 10 of 11

ISSUED: 3/20/2015

Figure 22

4.5.5.

Place 4 – KT150 Tubes into the sockets and 2 – 6H30P Tubes in the other sockets,
place 2 – Damping Tubes around both 6H30P Tubes.

Refer to Figure 23 and Figure 24

Figure 23

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Summary of Contents for REF75SE

Page 1: ...ock make sure the AC POWER CORD IS NOT CONNECTED TO THE REF75 DO NOT touch the Vacuum Tube Socket Pins when inserting or removing the vacuum tubes as there may be hazardous voltages present even after...

Page 2: ...ters Needle Nose Pliers Nut Driver and Phillips Screwdriver 3 2 Solder Tools Required 3 2 1 Small and Large Tips High Power Solder Iron Solder Remover or Solder Sucker 3 3 Kit Includes Quantity Descri...

Page 3: ...Top Cover to the Chassis 4 1 2 Remove Top Cover 4 1 3 Discharge the Power Supply Refer to Figure 1 and 2 for the Discharge Points Figure 1 Figure 2 4 1 4 Remove the 4 KT120 and 2 6H30P Tubes 4 1 5 Us...

Page 4: ...PROCEDURE FOR REF75SE Update PAGE 3 of 11 ISSUED 3 20 2015 Figure 3 Figure 4 Tip used for resistor install Tip used for Component removal...

Page 5: ...with the new IEC 23201820 Make sure the GRN YEL Brown and Blue wire ends are tight Loosen all the terminal screws on the new IEC to allow for easy insertion of the Blue and Brown wires once mounted in...

Page 6: ...PROCEDURE FOR REF75SE Update PAGE 5 of 11 ISSUED 3 20 2015 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9...

Page 7: ...ors outlined in Figure 10 and replace with 4 1 0 3W Resistors from the update kit Reuse the containment sleeves from the removed resistors on the new ones Make sure to heat the component and through h...

Page 8: ...pdate kit When removing the old diodes start by removing the lead closest to the capacitor bank first followed by the lead near the edge of the board this will allow you to access both leads with the...

Page 9: ...e mainboard and the 2 1 4 Hex Spacer then replace with a 2 Hex Spacer from the update kit one at a time until all 8 Spacers are replaced Note When replacing Hex Spacer do not tighten the screws fully...

Page 10: ...rom the update kit to the location on the main board 4 5 2 Solder 1 16 GA Clear Wire from the update kit to the Ground location on the main board between the and locations 4 5 3 Solder 1 16 GA White W...

Page 11: ...E Update PAGE 10 of 11 ISSUED 3 20 2015 Figure 22 4 5 5 Place 4 KT150 Tubes into the sockets and 2 6H30P Tubes in the other sockets place 2 Damping Tubes around both 6H30P Tubes Refer to Figure 23 and...

Page 12: ...ubes for tube damper placement 4 5 6 Place the Top Cover on the chassis and secure with the 18 6 Screws removed in Step 4 1 1 4 5 7 Place 1 Top Cover SE Badge 10132310 on the Top Cover and 1 Rear SE B...

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