Fluke 6060B - Power Supply Adjustment

MAINTENANCE
CALIBRATION
ADJUSTMENTS
1
TEST
EQUIPMENT
1
II
1
DMM
i
REMARKS
I
I
This
adjustment
is accessible through a hole in the bottom lip of the rear panel.
r'
Sec Figure
4C-I
for the location of the power supply test points.
E
PROCEDURE
11
R3 is
adjusted
for +37V as measured at TPS.
1
1. Remove the UUT top and bottom instrument covers. Connect the
DMM
to
TP5
with the ground lead (black wire) connected to the power
distribution
connection
point on the module plate.
1
2.
Program the
UUT
to [RCL]
[9][8].
E
3. Adjust R3 for
a
DMM
reading of
+37.00 ± 0.05V.
Bo
4. Verify
the
other supply voltages at the test points listed in the following:
I
TP Voltage Limits
1
11
14.5
to 15.7
3
14.5
to
15.7
2
-14.5
to
-15.7
4 4.85 to 5.20
1 17.4 to 22.6
1
E
NOTE
E
The
voltage at TPl depends on the line voltage. The limits
shown
are
for
a
line
voltage
exactly equal to the line voltage selector setting, i.e., 100,
120,
220, or
240
V
ac.
E
5.
Remove
the test leads, and reinstall the top and bottom instrument covers.
I
4C-4.
DISPLAY ASSEMBLY,
A1A1, ADJUSTMENT PROCEDURE
This procedure covers the adjustment of R16, the external
modulation
level indicator
adjustment.
i
1
TEST
EQUIPMENT
ii
DVM
1
REMARKS
i
This
adjustment is independent of other adjustments and assumes proper
circuit
operation.
1
Adjustment R16
is
located below TPl on the rear of the Display PCA, just above
the
POWER switch.
E
4C-2
E