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Step 9 Disconnect the cable assembly from the
A21 Line Filter/Rectifier PCB at connec
-
tor P2 on the A19 PCB.
Step 10 Carefully pull the rear panel assembly
away from the signal generator chassis
until the cable connections to the Mother
-
board are accessable.
Step 11 Disconnect the fan cable connector from
J13 on the Motherboard.
Step 12 Disconnect the A21-1 PCB ribbon cable
connector from J14 on the Motherboard.
Step 13 Disconnect the GPIB cable connector from
J16 on the Motherboard.
Step 14 Carefully pull the rear panel assembly
completely free from the 682XXB/683XXB
chassis.
Step 15 To replace the rear panel assembly, re-
verse the removal process.
6-14 682XXB/683XXB MM
REMOVAL AND REAR PANEL
REPLACEMENT PROCEDURES ASSEMBLY