Quantum Quantum Composers, 9412/9112 A warranty Maintenance, Replacing the Fuse

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1MAINTENANCE

Except for fuse replacement, the 9412/9412A should require no maintenance.

Replacing the Fuse

The fuse is mounted on the circuit board located inside the 9412/9412A. Remove the top cover to access and follow the instructions given below to replace the fuse:

1.Unplug the 9412/9412A from power source and remove power cord from the back panel.

2.Remove the two screws located on the sides of the 9412/9412A (they hold the front plastic bezel in place) and remove bezel.

3.Remove the two screws located on the sides of the 9412/9412A (they hold the back plastic bezel in place) and remove the bezel.

4.Lift the top cover to remove.

5.Locate the fuse on the circuit board (small glass cylinder located in the right rear corner) at- tached to the circuit board by metal spring clips.

6.Remove faulty fuse and replace with one of a similar rating (5 x 20 mm, .125 Amp).

7.Replace top cover and bezels.

8.Reattach the power cord.

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Contents Warranty Parts ListIntroduction Technical SupportCustom Modifications Safety IssuesPage Page Item Button Front Panel Controls and ConnectorsDisplay Control ButtonsBack Panel QC ConnectorsSerial Port Output Voltage AdjustmentAC Input Line Voltage SelectionPage Page Page Item Edit Mode Numeric Input ModeOperating Instructions OverviewMain Menu Mode Pulse ModesGate Gate Select Duty CycleTnDly Tn Delay Width and Delay MenusToPer To Period TnWid Tn Pulse WidthT2Gate T2EnableT2 Menus Store/Recall/Misc. Menus Store ConfigurationT2Wait T2*n T2 Period FactorVolume Recall ConfigurationShot Counter FmarkPage 3 2 Command Protocol Command LanguageComputer Interface Serial RS232 PinoutEcho Enabled Cycles ?crlf 100crlf Communication Protocol Following table summarizes all the commands Command ListCycles 9412/9412A Communication Commands Delays SpecificationsOutputs Replacing the Fuse MaintenancePage Custom Features
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