Keithley 2700 Service Manual

6-8 Replaceable Parts
U182 IC, RETRIG., MULTIVIB, 74HC123AM IC-788
U187 IC, MICROPROCESSOR RESET MAX809LEURT IC-1297
U188,U189 IC, PROTECTED QUAD POWER DRIVERS IC-1212
U191 IC, TINYLOGIC CMOS INVERTER IC-1282
U192 IC, 2 - INPUT AND GATE IC-1140
VR102 DIODE, ZENER, 6.0V, BZX84B6V2 DZ-87
VR103,VR104 DIODE, ZENER, 6.8V, MMSZ5235BT1 DZ-100
VR105,VR106,VR124,VR125 DIODE, ZENER, 11V, MMSZ11T1 DZ-103
VR107,VR108,VR122,VR123 DIODE, ZENER, 3.3V, MMBZ5226BL DZ-94
VR109 DIODE, ZENER, 17V, MMBZ5247BL DZ-104
VR110 DIODE, ZENER, 5.1V, BZX84C5V1 DZ-88
VR112,VR113 DIODE, ZENER, 6.2V, MMSZ6V2 DZ-97
VR119,VR120 DIODE, ZENER, 12V, MMSZ12T1 DZ-112
Y101 CRYSTAL CR-55-1
Y102 OSCILLATOR HIGH SPEED CMOS, 12MHZ CR-37
Y103 CRYSTAL, FSM327 CR-41
*Order current firmware revision, for example: A02.
Table 6-2
Model 2700 display board parts list
Circuit Designation Description Keithley Part No.
C401,C402,C411 CAP, 0.1UF, 20%, 50V, CERAMIC C-418-.1
C403,C404,C405,C407,C409,C410,C412 CAP, 0.1UF, 10%, 25V, CERAMIC C-495-.1
C406,C408 CAP, 33PF, 10%, 100V, CERAMIC C-451-33P
C413 CAP, 22UF, 20%, 6.3 TANTALUM C-417-22
C414 CAP, 47PF, 10%, 100V, CERAMIC C-451-47P
CR401,CR402 DIODE, MBR0520LT1 RF-103
DS401 DISPLAY DD-61
P1014 CABLE ASSEMBLY CA-123-16A
R401-404,406,409,411,414-418 RES, 15K, 1%, 100MW, THICK FILM R-418-15K
R405,R408,R410,R412 RES, 12.1, 1%, 125MW, METAL FILM R-391-12.1
R413 RES, 13K, 1%, 100MW, THICK FILM R-418-13K
R419 RES, 10M, 5%, 125MW, METAL FILM R-375-10M
R420,R421 RES, 10K, 1%, 100MW, THICK FILM R-418-10K
U401 PROGRAMMED ROM 2000-800-*
U402,U403 IC, LATCHED DRIVERS, UCN-5812EPF-1 IC-732
Y401 CRYSTAL, 4MHZ CR-36-4M
* Order current firmware revision, for example: A02.
Table 6-1 (Continued)
Model 2700 motherboard parts list
Circuit Designation Description Keithley Part No.

Keithley 2700 Specifications

General

Brand	Keithley
Model	2700
Category	Multimeter
Language	English