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Model
5315A/8
Adj ustments
a.
Conned reference frequency sta
ndard
to
the
external
SYNC
in
pu
t
of
t
he
oscilloscope.
b.
Conned
Channel
A
Input
of oscilloscope
to A
l
C6 (lead closest to rear
of cabinet
)
of
t
h
e
5315A.
Th
e
5315B may
be
connected
via t he FREQ
STD
OUT
BNC o
n
the rea
r
pane l.
c.
Adjust osci
llator
freq
uen
cy
for mi
ni
mum
sideways
movement
o
f
the
10
M Hz display
signal
with ADJ
on
the TCXO.
See
figure 5-2.
d.
By
timing
the
sideways
movement (in
CM per seco
nd
),
th
e
approximate
offset
can be
determined
based
on
the
osci
lloscope
sweep speed as shown
in
the
fo
ll
owin
g:
Movement
SWEEP SPEED
NOTES
l/.1scm
O
.l/.1s/em
O.Ol/.1s/em
1 cm
/
s
1 X 10-6
1
X
10-7
1
X
10-
8
TIME
SCO
PE TR
ACE
1
em/
l
0
s
1 X 10-7
1
X 10-
8
,
X 10-9
MOVEMENT W
ITH
1 em
/
loa
s
1 X 10-8
1
X
10-9
1
X 10-
10
SECOND HAND OR
WATCH
OR
CLOCK
For
example,
if
t
he
trace
moves 1
centimeter
in 10 seconds
an
the sweep
speed is
0.01
Jls/
c m,
the
oscillator
signal
is withi
n
1
X 10-9 o
f
the
re
ferenc
e frequ ency.
5-20.
OPTION 002 BATTERY CHARGER ADJUSTMENT
1.
Discon
nect
power cable
from 531
5A.
2.
Disconnect
batte ry
from
A6
(05315-60006)
battery
charger assem bly board.
3.
Conned
cable
(PIN
05315-60101
)
be
tween
A1J3
on motherboard and
A6Jl
battery
charger
assembly
board
.
4.
Connect
DVM positive
lead
to
A6W2
(red
wire)
and
negat ive lead
to
a ground
on battery
charge
r
assembly
board
(e .g.,
TP3
).
5.
Conned
power
cable to 5315A;
set
STBY/
ON
switch to
STSY
position.
6.
Adjust A6R20
full
y ccw.
7.
Hold
switch
S3
d
ow
n
wh ile
adjusting
A6R19
unti
l
DVM reads
7.71 vo lts; adjust A6R20
until
charging
LED
(CHG
)
turns on. Rele ase
switch
53.
8.
Con
nect
DVM
negative
lead to A6W3
(black
wire
);
short
TP3
to
TP7.
Hold
switch
S3
d own
wh
ile
adju
stin
g A6R19 until
DVM reads
6.00V.
9.
Set 5TSY ION
switch
to the
ON position. Ho ld
sw
it
ch S2 d
o
wn;
DVM
should
read
2.0
+0.4/
-0.1
volts. Remove
all
shorts
and
turn
instrume
nt
off.
10.
Disconnect
a
ll
test equ
ipment.
5-5
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