Service and Repair
5
Agilent L4532A/ 34A Service Guide
93
6
Discon n ect t he d isplay cable fr om t he d isp lay (t his cable has a cen ter
lockin g t ab at bot h en d s; squ eeze t o r elease). The ph ot o shows th e
fron t pan el still in place an d illu str at es why it is easier to discon n ect
t he d isp lay cable after t he fron t pan el is r emoved .
Step 2
Step 3
Step 4
Step 6
To r ein st all th e fr on t p an el, r ever se t h ese step s. Remember to r econ n ect
t h e display cable t o t he fron t p an el befor e r eatt ach in g t he p an el.
Replacing the Power Switch and Switch Cable
Th e cover an d fr on t pan el mu st be r emoved befor e you can r emove th e
p ower swit ch or its cable. To r emove t hem:
1
Remove all cables from t he exter ior of t he in str u men t, an d r emove t he
cover (see
Removin g th e Cover
on page 82).
2
Discon n ect t he p ower switch cable fr om th e car r ier boar d.
3
Remove t he fr on t p an el (see
Removin g t he Fron t Pan el
on p age 92).
4
Remove t he swit ch pu sh button cap , by pu llin g it str aight off th e power
switch shaft (fr iction fit, n ot keyed).
5
Remove t he 5/ 16 in ch
n u t secu r in g th e p ower switch, an d disen gage
th e swit ch (slid e backward s) in t o t he chassis.