HP 8153A - Page 12

P.CTRL. . . . . . . . . . . . . . . . . . 2-6
IB. Function Test using a HP 81530/31/32 or HP
81536A Sensor Module. 2-7
HP-IB Interface Test (Optional) . . . . . 2-7
3. Assembling and Disassembling the Instrument
Removing the Instrument Housing . 3-1
Removing the Front Panel Assembly 3-1
Removing the Power Supply Board 3-2
Removing the Processor Board 3-2
Removing the Mother Board 3-3
Removing the Fan Assembly 3-3
4. Troubleshooting
GeneraI . . . . . . . . . . . . . . . . . 4-1
Troubleshooting the A3 Power Supply Board . 4-2
Preparing to Check Power Supply Voltages 4-2
Checking Power Supply Voltages . . . 4-2
Adjusting the Power Supply . . . . . 4-3
Troubleshooting the Al Processor Board 4-4
Before You Start . . . . . . . . . 4-4
Running in Free Run Mode . . . . . 4-4
Troubleshooting in Free Run Mode . 4-5
Troubleshooting the Battery Buffered RAM Supply 4-6
Troubleshooting the VFD Voltage Supply . . . . 4-7
Index
Contents-2
-