86
Agilent L4532A/ 34A Service Guide
5
Service and Repair
Replacing the Processor Board
The p rocessor board can be r emoved wit h all other in t er ior assemblies in
place. To r emove it:
1
Remove all cables fr om t he exter ior of t he in str umen t, an d r emove t he
cover (see
Removin g th e Cover
on p age 82).
2
Remove t he fou r # 10 Tor x r oun d head scr ews holdin g th e p r ocessor
boar d t o r iser s on t he car r ier boar d.
3
Gr asp th e car r ier board by t he edges, avoidin g tou ch in g electr ical
compon en ts or tr aces on t he boar d. Car efu lly p ull u p , d isen gagin g t he
th r ee con n ector s on t he r ear of t he p rocessor boar d (below th ick black
an d white bar s d r awn on t he ph oto) fr om th eir matin g con n ect or s on
t he car r ier boar d.
Step 2
To r ein st all t he p rocessor boar d, r ever se t hese step s. Take car e to
r e- en gage t he con n ect or s
t o t he car r ier boar d secu r ely; align t he USB
con n ect or wit h t he r ear p an el, t hen r ein st all t he fou r scr ews.