Adjustment : Ac Voltage Accuracy; Adjustment: R113 ( Frequency Comp .) - Tektronix DM2510 Service Procedure

3 .
a.
b .
C.
DM2510/ DM2510G
Page 11 of 17
Table 4 .
Resistance Calibration Settings
DM2510G / DM2510
Range
200 Ω
2
ΚΩ
20 ΚΩ
200 Κ Ω
2 ΜΩ
20 ΜΩ
200
Ω
2
ΚΩ
20
ΚΩ
200 kn
2
ΜΩ
20 ΜΩ
Input LOW to
V/ Q /TEMP
Shorted
Shorted
Shorted
Shorted
Shorted
Shorted
100.000 Ω
1.00000 Κ Ω
10.0000 k Ω
100.000 k Ω
1.0000 ΜΩ
10.000 ΜΩ
Adjustment : AC Voltage Accuracy
Before the calibration of the AC Voltage ranges can be done , the two
resistance trimmers R113 and R121 need to be properly adjusted .
Adjustment: R113 ( Frequency Compensation )
Carefully remove the top of the cabinet.
WARNING
Display reading
after Calibration (+
1 LS digit)
0.00 Ω
.0000 k Q
0.000 k Ω
0.00 Κ Ω
.0000 ΜΩ
0.000 ΜΩ
Set the calibrator to 180.000V AC .
100 VAC
100.000 Ω
1.00000 k Ω
10.0000 Κ Ω
100.000 k
1.0000 ΜΩ
10.000 ΜΩ
To avoid electric shock hazard, do not touch
exposed circuitry. Use an insulated alignment
tool to make the following adjustments.
Adjustment Procedure
May 6 , 1994
Select the 200V AC range and connect the AC Voltage calibrator to
the LOW and V/ 22 / TEMP jacks .
Revision A
1