Installing The Pll/External Cloc K (Hp 81106Α) - HP 8110A Service Manual

HP 8110 Α Service G
u
i
d
e
I
nstalling the 10 V/2
n s Output Channel (HP 81103Α)
Installing the PLL/External Cloc k (HP 81106Α)
1- 1 0 Installing t
h
e HP 8110Α
1 .
R epl ace th e 3 scre ws secur ing O utput
B oard 1, by t he 3 he x.
standoffs t hat
y ou received with the seco nd channel ki t
2 . Fi t Ou t put B oard 2 onto its supp orts:
l
ay the
b
oard on the
stan doffs close to the rear, th en s lide i t into its supp orts and into
t he conn ector on the Mother board
3 . Sec u re the secon d outpu t board u sing t he 3 screw s t h at you
rem oved
f rom O u tpu t B
oard 1, plus the 3 screws t h at you receiv ed
with th e second
c h ann el kit
4 . Connect th e s hort Α+ Β cable to the conn ector
m
arke d Α + Β
5 . Conn ect th e ou t pu t 2 cabl e to t he connector
m ark ed O UTPUT
Note th at
b
oth of these cables are already fitted in the sta ndard
in strumen t
6. If t here are no ot h er boards to
b e installed, refit the in strument
case
7 .
P er for m α complete
p
erformance verification test on the upgraded
uni t.
1 .
R em o v e t h e plug
f rom the PLL Rev In/Clock In hole on the rear
p a nel
o
f th e HP 8110Α
2 . Pl ace the
l
arger-d iameter washer on the BNC connector o f t he
cabl e that y ou rece ived with
t he second channel kit
3 . Put th e BN C co nnector t hrough the hole in the rear
p
ane l ,
from t h e in s i de,
m aking sure that the flat keyway on t he BNC
connector
m atch es t he flat keyway in t he hole
4 . Pl ace t h e sm aller-diam eter washer on t he BNC conn ector
5. Sec u re t h e BN C connector to the rear
p anel , using t he hex. nut
6. Carefully slid e t he connector on th e PLL /Clock board in to the
connector on th e
P
eriod Board
7. Sec u re t h e PLL /Cloc k B oard
u
sing t he 4 screw s
8. Co nn ect the PLL /C lock In cable to the PLL /C lock B oard
conn ector
m
arked PLL REF /C LOC K IN
9 . If
t
h ere are no ot her
b oards to be install ed, refit the in strument
case
10 . P erfor m α compl ete
p er formance verification test on the
up graded uni t .