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Routine Maintenance
3-3
Figure 3-1
Model 2500 rear panel
Perform the following steps to replace the line fuse:
1.
Using a small flat-blade screwdriver, carefully release the locking tab that secures
the fuse carrier to the power module.
2.
Pull out the fuse carrier, and replace the fuse with the type specified in
.
CAUTION
To prevent instrument damage, use only the fuse type specified in
.
3.
Reinstall the fuse carrier, pushing it in firmly until it locks into place.
NOTE
If the power line fuse continues to blow, a circuit malfunction exists and must be
corrected. Refer to the troubleshooting information in Section 4 of this manual
for additional information.
Table 3-1
Power line fuses
Line voltage
Fuse rating
Keithley part no.
100V, 120V
0.630A Slo Blo, 250V, 5
×
20mm
FU-106-.630
220V, 240V
0.315A Slo Blo, 250V, 5
×
20mm
FU-106-.315
Model 2500
Line Voltage
Setting
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS, SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE FUSE WITH SAME TYPE AND RATING.
120
LINE RATING
50, 60Hz
60 VA MAX
FUSE
LINE
630 mAT
(SB)
315 mAT
(SB)
100 VAC
120 VAC
220 VAC
240 VAC
CAT
I
MADE IN
U.S.A.
DIGITAL I/O
RS-232
TRIGGER LINK
INPUT
CHANNEL 1
INPUT
CHANNEL 2
VOLTAGE SOURCE
OUTPUT CHANNEL 1
VOLTAGE SOURCE
OUTPUT CHANNEL 2
RATINGS MAX
100V @ 20mA
COMMON
MODE
200V
RATINGS MAX
100V @ 20mA
!
!
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
Line Fuse
Summary of Contents for 2500
Page 2: ...Contains Calibrating and Servicing Information Model 2500 Dual Photodiode Meter Service Manual...
Page 11: ......
Page 13: ......
Page 15: ......
Page 16: ...1 PerformanceVerification...
Page 28: ...2 Calibration...
Page 56: ...3 RoutineMaintenance...
Page 59: ...3 4 Routine Maintenance Model 2500 Service Manual...
Page 60: ...4 Troubleshooting...
Page 74: ...5 Disassembly...
Page 81: ...5 8 Disassembly Model 2500 Service Manual...
Page 82: ...6 ReplaceableParts...
Page 93: ...6 12 Replaceable Parts Model 2500 Service Manual...
Page 94: ...A Specifications...
Page 98: ...B CalibrationReference...
Page 108: ...C CalibrationProgram...
Page 117: ......
Page 119: ......
Page 120: ......
Page 121: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...