A1 3 Assembly Removal - Agilent Technologies 4284A Service Manual

3-8-7. A1 3 ASSEMBLY REMOVAL

First remove the front panel assembly from the 4284A as described in paragraph 3-8-4.
1 . Remove four screws that secure the shield case on which the WARNING is
printed.
2. Remove the screw that secure the A1 3 assem bly to the back of the shield case.
3. Disconnect the 3-pin cable from the A90 assembly.
4. Disconnect the 3-pin cable from the A9 1 assem bly, and remove the A1 3 board
assembly.
3-8-8. A91 (LeO MODU LE) ASSEMBLY REMOVAL
Remove the 4284A's front panel assembly as described in the paragraph 3-8-4.
1 . Remove the four screws that secure the shield case on which the WARN I NG
label is prin ted.
2 . Remove the 3-pin cable that connects between the A 13 assembly and the A9 1
assembly.
3. Remove the 1 3-pin cable from the A91 assem bly.
4 . Remove the 3-pin cable from the A91 assembly, and remove the A9 1 LeD mod­
ule assembly.
The A91 LeD module assembly consists of its LeD panel and the control circuit.
Do not disassemble the LeD module, the LeD panel and the circuit board m ust
remain together as a unit.
NOTE
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