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Keithley 2001 #2

Second unit (missing ADC board)

100%

10 issues   (10 closed — 0 open)

Related issues
Feature #271: K2 : ERROR 304 Section
Feature #279: Schematics RE - analog board
Bug #268: K2 : ERROR 105.2 - System trigger bus
Bug #269: K2 : ERROR 304.6 - Ohms sources; 70nA and 770nA
Bug #270: K2 : ERROR 304.7 - Ohms sources; 4.4nA and 770nA
Bug #274: K2 : ERROR 401.1 - Signal switching; zero cal switch
Bug #275: K2 - Error 402.1 - Frequency switch
Bug #276: ERROR 404.1 – Absolute value (x1 gain); -full-scale DAC output
Bug #277: K2 - ERROR 405.2 – Absolute value x10 gain comparison; large +DAC output
Support #272: K2 - repair status.

Keithley 2001 #3

Third unit, missing ADC board , ROM chip, lots of ICs on analog board. For parts

100%

2 issues   (2 closed — 0 open)

Related issues
Feature #281: Display board move to unit #4
Feature #1141: Восстановление источника тока и диапазонов измерения сопротивления

Keithley 2001 #4

4th unit with missing display module/keyboard.

100%

9 issues   (9 closed — 0 open)

Related issues
Feature #286: Calibrate unit (Tektronix calibration)
Feature #885: Keithley 2001 thermal evaluation
Feature #891: Self-test errors diagnosis
Bug #288: K4 - repair status.
Support #1131: Schematics for voltage reference LM399
Rework #282: Install display board
Rework #283: No response from analog board
Rework #284: Test digital board.
Rework #285: All functions and all ranges "Overflow"

Keithley 2001 #6

Full unit with failed AC switch unit

100%

16 issues   (16 closed — 0 open)

Related issues
Feature #859: Схема аналоговой платы (Keithley 2001-102-04J)
Feature #884: UART protocol between front panel board and digital board.
Bug #342: Fix FE section on analog board
Bug #652: Fix AC input mains curcuitry, replace electrolytic capacitors, replace transformer
Bug #658: Fix 401.1 - Signal switching; zero cal switch
Bug #659: Fix Test 412.1 – AC amps switch
Bug #854: Fix error 402.1 - Signal switching; frequency switch
Bug #855: Fix error 403.1 – Signal switching; ground switch
Bug #856: Fix error 412.1 – AC amps switch
Bug #862: Fix errors 404.1, 404.2, 404.3, 404.4, 404.5 - Absolute value (x1 gain);
Bug #864: Fix error 406.6 – Voltage comparison
Bug #865: Fix errors 407.1, 407.2, 407.3 - Front end 2V/200V/750V
Bug #866: Fix error 409.6 – ÷750 correction factor; signal comparisons
Bug #867: Fix error 410.1, 411.1, 411.2 - TRMS / TRMS Filter
Bug #871: Replace C108 capacitor
Bug #1184: Repair status