Agilent Technologies M1205A V24, Service Manual

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Rear Housing Replacement Procedures
The procedures described in this section begin with the instrument’s power turned off and the
instrument disassembled.
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Replacing the rear housing consists of the following processes:
Verify power to the Model V24CT/V26CT is OFF and that the AC power cord is discon-
nected.
Verify that the Lead-Acid batteries have been removed.See 9-5.
Replace Parameter Module Rack Connector.See 9-15.
Replace Power Supply Assembly.See 9-15.
Replace System Board.See 9-17.
Replace Battery Contact Board.See 9-18.
Replace Front Housing.See 9-32.
Replace Parameter Module Rack.See 9-34.
Replace Lead-Acid batteries.See 9-18.
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Verify power to the Model V24CT/V26CT is OFF and that the AC power cord is discon-
nected.
Verify that the Lead-Acid batteries have been removed.
Open rack connector door
Secure front end rack connector to rear housing using two screws.
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Verify power to the Model V24CT/V26CT is OFF and that the AC power cord is discon-
nected.
Verify that the Lead-Acid batteries have been removed.
If your unit has option J13, remove the RS232 cable from the defective assembly and
install the RS232 cable into the new assembly following the same cable routing path.
Slide power supply assembly into front of rear housing.
At rear of the instrument, secure power supply assembly to rear of rear housing using six
screws.
From underneath the instrument, install one retaining screw.
From underneath the instrument, secure feet to rear housing using four screws.
Connect system PCB\power supply interface cable to power supply assembly.
Connect all cables to Power Supply assembly. See illustration below.
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