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Model
5315A/B
Adjustments
5-2
Table
5
1
Adjustments
-
Proccedure
Adjustment
Comments
1.
5315A (Only
)
Power Transforme
r
A154
Set to match
available
line
voltage
Primary line Voltage
Selection
2.
Power
Supply Adjustments
A1R16
for +5V
<"
for
+3V
<23
for
-5.2V
3.
Input Off5et
Adjustment
A4R32
Channel
A
<1
Channel
B
4.
local Oscillator
Adjustment
Al53
el2,
04
5. Option 001
Adjust
A153
A7
Freq Adj
6.
Option 002
Adjust
A6R1
9,
R20
Adjustment
of
500 rnA charger
51,52,53
5-10.
ADJUSTMENT PROCEDURES
.>-11. 5315A
Volt~ge
Selector
5-12.
Use
the following procedu re to change the power transformer
primary
line
voltage switch
setti
ng on the
53l
5A.
a.
Discon
nect
the
power cabl
e from the
rea
r
panel
of
th
e
53l 5A.
b.
Turn
the 5315A upside
down
and
remove the
fo ur screws nea
r
the corne rs of the
cabin
et
bottom.
e.
Holding the top and
bottom
covers together. tu
rn
the 531SA right side up and carefu
lly
lift the top
cover
off.
d.
Refe
r
to
Figure
5-1 which shows
the
line fuse holde
r and
the
line voltage
select
io
n
switches. Both
switch
indicators
must
be
set
to the line voltage
selection
marks to match
the ava ilable line
voltage.
NOTE
The poss ible
line
voltage ra nges are
listed in
Sectio
n
I,
Specifi-
cations.
Refer to
this list to decide whe re the select
ion
switches
shou
ld
be
set.
e.
Set
the line voltage swi tches
to
appropriate
positions
fo
r
the ava ilable line
voltage.
I
CAUTION
I
Check the line fuse, Fl.
It
must correspond to the line
volt~ge
selected. Refer to the
specifications
in Section I
for the coned value fuse.
5-13. POWER SUPPLY ADJUSTMENTS
5-14. The
53l5A/
8 produces three regu lated dcsupplyvoltages which should beadj usted in the
follow ing o rder.
a.
Con
nect a
OMM to
TP
+5 and adjust A1
R1
6 for
+5.0
±O.D1
.
b.
Con
nect
a DMM to
TP
+3
and
adjust A1R12 fo
r +3.0
±a.O
l
.
e.
Connect a DMM to TP -5.2
and
adjust
A1R23
for
-5.2
±0.01
.
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