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HP E5250A Service Manual
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HP E5250A Service Manual

HP E5250A Service Manual

Low leakage switch
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HP E5250A/E5252A/E5255A Low Leakage Switch
Service Manual
SERIAL NUMBERS
This manual applies to instruments with serial numbers JP10C-.
HP Part No. E5250-90600
Printed in Japan January 1999
Edition 2
E0199
www.valuetronics.com

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Summary of Contents for HP E5250A

  • Page 1 HP E5250A/E5252A/E5255A Low Leakage Switch Service Manual SERIAL NUMBERS This manual applies to instruments with serial numbers JP10C-. HP Part No. E5250-90600 Printed in Japan January 1999 Edition 2 E0199 www.valuetronics.com...
  • Page 2 Replacement products To the extent allowed by local law, the above HP Part Number may be either new or like-new. warranties are exclusive and no other warranty or...
  • Page 3 KEEP AWAY FROM LIVE Certification Safety Symbols Ä CIRCUITS Hewlett-Packard Company certifies that this The general definitions of safety symbols product met its published specificat ions at Operation personnel must not remove used on equipment or in manuals are listed the time of shipment [from the factory].
  • Page 4 This manual contains information relating to performance verification and repair of the HP E5250A Low Leakage Switch Mainframe, HP E5252A 10×12 Matrix Switch, and HP E5255A 24 (8×3) Channel Multiplexer. The manual consists of the following chapters: 1.

  • Page 5: Table Of Contents

    HP E5250A Low Leakage Switch Mainframe ....HP E5252A 10×12 Matrix Switch ....
  • Page 6 RECONFIG MENU Operation ....2-24 HP-IB Address Entry ..... . . 2-24 Printer Control Setting Entry .
  • Page 7 HP E5250A Power Switch ..... . 5-15 HP E5250A Front Panel ..... . . 5-16 HP E5250A CPU and Power Supply .
  • Page 8 5-20. HP 16495B/G (2 of 2) ......5-31 5-21. HP 16495C (1 of 2) ......5-32 5-22.
  • Page 9 5-24. HP 16495B/G (2 of 2) ......5-31 5-25. HP 16495C (1 of 2) ......5-32 5-26.
  • Page 10 www.valuetronics.com...

  • Page 11: Service Introduction

    The HP E5250A Low Leakage Switch Mainframe is a computer-controlled (via HP-IB) mainframe for the HP E5252A 10×12 Matrix Switch and the HP E5255A 24 (8×3) Channel Multiplexer. The HP E5250A, HP E5252A, and HP E5255A are designed for semiconductor dc characteristics measurements, which require low leakage current specifications.

  • Page 12: Hp E5252A 10×12 Matrix Switch

    The HP E5250A has four slots for installing HP E5252As and HP E5255As. The HP E5250A can be configured with: HP E5252As HP E5255As Mix of HP E5252As and HP E5255As The front panel of the HP E5250A has four status indicators (LEDs) and a ¤...

  • Page 13: Performance Verification

    Humidity: < 60% RH For more information on the Performance Verification software, see Chapter 2. Repair Policy The HP E5250A/E5252A/E5255A will be repaired and calibrated in a local HP Service Center. Most HP E5250A repairs are handled on an assembly-level replacement basis. Mechanical parts and fuses are handled on a parts-level replacement basis.

  • Page 14: Required Equipment

    4 Available as Mainframe option (HP E5250A #301). 5 Equals HP 16493C #001. 6 Equals HP 16493B #001. 7 Furnished with HP E5250A/E5252A/E5255A. 8 Furnished with HP E5250A/4155A/4156A and Product Support Package for HP 4155A/4156A (04155-65801). 1-4 Service Introduction www.valuetronics.com...

  • Page 15: Service Kit

    MT5250 Program (3.5-Inch Disk) Retrofit Products When the HP E5250A option 001 and option 501 are specified, HP E5252A and E5255A are installed in the HP E5250A and their performance is verified at the factory. The HP E5252A and HP E5255A are usually ordered when additional channels are necessary (as retrofit products).
  • Page 16 www.valuetronics.com...

  • Page 17: Service Operation And Test Functions

    Relay Test. To perform the Relay Test, see ”Relay Test (via Front Panel)” or ”Running Trouble Isolation”. The HP E5250A has eight DIP switches on the rear panel. Bits 1, 2, and 3 Note (the leftmost three bits) must be at the 0 position for normal Power-On Test operation.

  • Page 18: Power-On Test Sequence

    When the HP E5250A is functioning properly, the following four front panel LEDs will light, and then they extinguish within five seconds after power-on. (The Power-On Test result is ”PASS”.) Remote Sys Fail Fail Local/Self Test In all the other cases (shown below), the Power-On Test result is ”FAIL”. See chapter 3.
  • Page 19 Relay Test Adapter 4. (Only if the HP E5255A module(s) are installed.) Attach three BNC shorting caps onto the three BIAS INPUT terminals of each HP E5255A module. 5. (If the Remote LED is lit.) Press the ¤ ¥ button on the front panel to set the HP Local/Self-Test E5250A to ”local”.

  • Page 20: Relay Test Theory

    ”Running Trouble Isolation”. The CPU board of the HP E5250A has a relay test circuitry. The circuitry consists of two current sources (20 mA and 100 µA), two voltage comparators (150 mV and 5 V), and four relays (used to test the relay test circuitry itself and to connect the circuitry to CV1 and CV2 ports).

  • Page 21: Performance Verification Overview

    Performance Verification Cycle The frequency of performance verification depends on the operating and environmental conditions under which the instrument is used. We recommend that the HP E5250A/E5252A/E5255A’s performance be verified at least once a year. Service Operation and Test Functions 2-5...

  • Page 22: Performance Verification Environment

    A printer is required only if you want to print the Test Records after the tests are complete. 3. Make sure the Terminals push-switch on the HP 3458A front panel is at the Front position. 4. Make sure the Guard push-switch on the HP 3458A front panel is at the Open position.

  • Page 23: Setting Up Test Equipment Configurations

    MASS STORAGE IS (MSI) to the disk drive where MT5250 disk is inserted. After the copyright message is displayed and the program initialization is completed, the STARTUP MENU is displayed. HP E5250A Maintenance Program ** STARTUP MENU ** START PV ...

  • Page 24: Executing Performance Verification Tests

    ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Selecting the START PV softkey initializes the HP E5250A, HP 3458A, and HP 4339A/B. If the HP-IB addresses are not set correctly, an error message is displayed and the MT5250 program terminates. 2-8 Service Operation and Test Functions www.valuetronics.com...
  • Page 25 HP E5250A Maintenance Program ** PV MAIN MENU ** CARD 1 ... Slot1 E5255A Performance Verification CARD 2 ... Slot2 E5255A Performance Verification CARD 3 ... Not installed CARD 4 ... Slot4 E5252A Performance Verification RESULT REPORT ... Read the Test Result Report QUIT ...
  • Page 26 HP E5250A Maintenance Program ** CARD1 PV MENU ** ... All Tests RELAY TEST ... Relay ON/OFF Self-test ISLTN R ... Isolation Resistance Test CLOSED CH R ... Closed Channel Resistance Test PV MAIN MENU ... Return to PV MAIN MENU Select desired softkey.
  • Page 27 During the Isolation Resistance Test, dangerous voltages may be present at the terminals of the HP E5250A, E5250-65002 test adapter, and cables. Remove all the unused cables from the HP E5250A and E5250-65002, and do not touch other open terminals.
  • Page 28 Softkey Function ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Goes to the next step in the test item. CONTINUE ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Goes to the next test item. SKIP ÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Returns to the PV MAIN MENU. Or if this softkey is selected after EXIT ÆÆÆÆÆÆÆÆÆÆÆ selecting the CRT softkey, exits from displaying the detailed test results. ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 29: Relay Test

    Relay Test This test performs the built-in relay test of the HP E5250A. This test is executed when the ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ RELAY TEST softkey is selected in CARDn PV MENU. Test Equipment Relay Test Adapter (E5250-60002) (HP E5255A Only) BNC Shorting Caps (1250-0929; 3 ea) Test Method 1.

  • Page 30: Isolation Resistance Test

    HP 4339A/B High Resistance Meter Isolation Test Adapter (E5250-65002) Triaxial Cable; 3 ea: 04142-61641 (1 m), or 16058-61603 (=HP 16493C #001) (1.5 m) (HP E5255A Only) BNC Cable: 8120-1839 (61 cm), or HP 10503A (122 cm), or 04142-61636 (=HP 16493B #001) (1.5 m)

  • Page 31: Test Connections

    Test Connections HP E5252A Test Connection. HP E5252A Input - Input Isolation Resistance Test Before beginning this test, remove the Relay Test Adapter from the HP Important E5250A input terminals. Otherwise, the test will FAIL. ** INPUT - INPUT ISOLATION RESISTANCE TEST ** Attach 04339-60003 on 4339A Ground/Guard.
  • Page 32 HP E5252A Output- Output Isolation Resistance Test ** OUTPUT - OUTPUT ISOLATION RESISTANCE TEST ** Connect E5250-65002 J4 to E5250A SMU INPUT 1. Press CONTINUE. Connect E5250-65002 J5 to E5250A SMU INPUT 2. Press CONTINUE. Disconnect cable from E5250-65002 J6. Press CONTINUE.
  • Page 33 HP E5252A Input - Output Isolation Resistance Test ** INPUT - OUTPUT ISOLATION RESISTANCE TEST ** Connect E5250-65002 J4 to E5252A(CARDn) OUTPUT 1. Press CONTINUE. Connect E5250-65002 J5 to E5250A SMU INPUT 1. Press CONTINUE. Service Operation and Test Functions 2-17 www.valuetronics.com...
  • Page 34 HP E5255A Test Connection. HP E5255A IV Port Isolation Resistance Test HP E5255A BIAS Port Isolation Resistance Test 2-18 Service Operation and Test Functions www.valuetronics.com...
  • Page 35 Disconnect cable from E5250-65002 J6. Press CONTINUE. Disconnect cable from E5250-65002 J5. Press CONTINUE. Connect E5250-65002 J4 to E5250A SMU INPUT n. Press CONTINUE. Connect E5250-65002 J7 to E5255A(CARDn) BIAS INPUT 51. Press CONTINUE. ** BLOCK1 : BIAS PORT 51 ISOLATION RESISTANCE TEST ** Disconnect cable from E5250-65002 J7.

  • Page 36: Closed Channel Resistance Test

    1.0Ω Test Equipment HP 3458A Mutimeter Relay Test Adapter (E5250-60002) (HP E5252A Only) Banana-Triax Adapter (E5250-65003) (HP E5255A Only) Banana-BNC Adapter (E5250-65004) (HP E5255A Only) Banana-Dsub Adapter (E5250-65005) Banana-Banana Cable (HP 11058A), 2 ea. 2-20 Service Operation and Test Functions...

  • Page 37: Test Connections

    HP E5252A Test Connection. HP E5252A Closed Channel Resistance Test ** E5252A CLOSED CHANNEL RESISTANCE TEST ** Attach E5250-60002 on E5250A input terminal. Press CONTINUE. Set E5250-60002 switch at PV Test position. Press CONTINUE. Connect 3458A Input/Sense HI to E5250-60002. Press CONTINUE.
  • Page 38 HP E5255A Test Connection. HP E5255A IV Port Closed Channel Resistance Test HP E5255A Bias Port Closed Channel Resistance Test 2-22 Service Operation and Test Functions www.valuetronics.com...
  • Page 39 ** E5255A CLOSED CHANNEL RESISTANCE TEST ** ** BLOCK1 IV PORT CLOSED CHANNEL RESISTANCE TEST ** Attach E5250-60002 on E5250A input terminal. Press CONTINUE. Set E5250-60002 switch at PV Test position. Press CONTINUE. Connect 3458A Input/Sense HI to E5250-60002. Press CONTINUE.

  • Page 40: Reconfig Menu Operation

    HP-IB address for the HP E5250A, HP 3458A, or HP 4339A/B. Press ¤ ¥ Return The range allowed is 700 to 3130. The lower two digits must be 30 or less. The new HP-IB address is displayed. If you press ¤...

  • Page 41: Reporting Test Results

    Insert ’REPORT’ into the current mass storage device. Then press CONTINUE. 3. The REPORT RESULT MENU shown in the following figure is displayed: HP E5250A Maintenance Program ** REPORT RESULT MENU ** READ FILE ... Enter file name to be reported MAIN MENU ...
  • Page 42 6. Type the name of the file that you want to report. Then press ¤ ¥ . If you press ¤ ¥ Return Return without typing the file name, the REPORT RESULT MENU is displayed again. If you want to report the file from the mass storage unit that is not specified as the current mass storage unit, type the mass storage unit specifier after the file name;...

  • Page 43: Printer Setting For Report Result

    ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ (Displayed when PRINTER TYPE is set to LOCAL.) This softkey is for PRINTER ADDR changing the address of the printer (select code and HP-IB address). ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ (Displayed when PRINTER TYPE is set to FILE SPOOL.) This softkey is SPOOL DIR.
  • Page 44 ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ For changing the top, bottom, and left margins. MARGIN After selecting this softkey, the message Type new margin (top, bottom, left). is displayed. Enter the three values, separated by commas. For example, enter: 4,4,2 The top margin, bottom margin, and page length settings must satisfy the following conditions: top margin ≥...

  • Page 45: Running Trouble Isolation

    TROUBLE ISOLATION MAIN MENU are almost the same as the functions of the SELF TEST MENU, which is displayed by running the SELFTEST program in the HP E5250A’s program disk for user. However, the SELF TEST MENU is for function tests only and doesn’t have the trouble isolation function.

  • Page 46: Executing The Front Panel Interface Test

    To execute the front panel interface test, do the following: ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ 1. Press the FRONT PANEL softkey. 2. Confirm that the following four LEDs on the HP E5250A front panel are blinking. Then, press the ¤ ¥ key on the HP E5250A front panel within 10 seconds.

  • Page 47: Performance Verification Operating Theory

    The HP 4339A/B is used for Isolation Resistance measurements. The HP 3458A is used for Closed Channel Resistance measurements. The PV program is executed for each plug-in module (HP E5252A or HP E5255A). (PV data is taken for each module.) Service Operation and Test Functions 2-31 www.valuetronics.com...

  • Page 48: Tools And Instruments Required

    Tools and Instruments Required Isolation Resistance Measurement HP 4339A/B (Voltage Force/ Current Measurement) Isolation Test Adapter (E5250-65002) (= Adapter 2) Triaxial-BNC Adapter (E5250-65006) (= T/B Adapter) Triaxial Cable 1.5m (3 ea) (16058-61603 or equivalent) BNC Cable 1.5m (04142-61636 or equivalent) Figure 2-1.

  • Page 49: Traceability And Measurement Uncertainty

    Figure 2-2. Closed Channel Resistance Test Tools Traceability and Measurement Uncertainty Traceability Both Isolation R and Closed Ch R are traced via HP 4339A/B and HP 3458A. The maximum uncertainty is 3.43% of the specification. Isolation R Uncertainty HP 4339A/B Conditions: Calibrated within one year 23 ±...
  • Page 50 HP 4339A/B VF Uncertainty: 0.16% + 100 mV (0.26% @100 V) HP 4339A/B IM Uncertainty: 100 pA Range: 2.57% of reading + 0.060 pA (HP E5252A: IV 1–2; HP E5255A: IV path) → 3.17% (@ 10 pA =100 V/10 Ω) 1 nA Range: 0.91% of reading+0.003 nA (HP E5252A: IV path3–6)

  • Page 51: Pv Execution Time (Including Time For Manual Operation)

    Total Closed Ch R Uncertainty: Specifications Uncertainty HP E5252A IV1–2: ≤ 0.6 Ω 0.0019% + 6.1 mΩ (1.01%/6.1 mΩ) HP E5252A IV3–6: ≤ 1.0 Ω 0.0019% + 6.1 mΩ (0.61%/6.1 mΩ) HP E5252A CV/HF: ≤ 1.0 Ω 0.0019% +11.1 mΩ (1.11%/11.1 mΩ) HP E5255A IV: ≤...

  • Page 52: Hp E5252A Isolation Resistance

    (voltage force) port of the HP 4339A/B and one terminal to the IM (current measure) port. In the following measurement sequence, the input ports of the HP E5250A are named Input 1 through Input 10. (HF1 = Input 7, HF2 = Input 8, . . . ) Overall Measurement Sequence 1.

  • Page 53: Connection Details (Input Channels)

    VF (Adapter 2 J6) ← Triaxial Cable → Output 4 VF (Adapter 2 J7) NC 2. Measurement 1 Set up the HP E5252A to check all the following connections. (Check offset current every time N changes.) Input N ↔ Output 1 (IM) [N = 1, .

  • Page 54: Connection Details (Input/Output)

    VF (Adapter 2 J6) NC VF (Adapter 2 J7) NC 2. Measurement Set up the HP E5252A to check all the following connections. (Check offset current every time N changes.) Input N ↔ Output 1 (IM) [N = 2, . . . ,10] Input 1 ↔...

  • Page 55: Hp E5252A Closed Channel Resistance

    HP E5252A Closed Channel Resistance Overview This test performs 4-wire measurements by using the HP 3458A. Adapter 1 and 3 are used for making Kelvin connections. Adapter 1 is also used for making Kelvin connections to the input ports. (The DIP switch must be at the ”PV” position.) The closed channel resistance of each input/output connection is measured.

  • Page 56: Hp E5255A Isolation Resistance

    The isolation resistances between slots are not measured since they are guarded by the case. The isolation between two terminals is measured by connecting one terminal to the VF (voltage force) port of the HP 4339A/B and one terminal to the IM (current measure) port. Overall Measurement Sequence 1.

  • Page 57: Connection Details

    8. Calculate measurement uncertainty. Connection Details I-V Port Set up the HP E5255A to check all the following connections. (Check offset current every time N changes.) I-V Input ↔ Output N (IM) [N = 1, . . . ,8] Bias Input ↔ Output M [M = N+1, .

  • Page 58: Hp E5255A Closed Channel Resistance

    HP E5255A Closed Channel Resistance Overview This test performs 4-wire measurements by using the HP 3458A. Adapters 1, 3, 4, and 5 are used for making Kelvin connections. (The DIP switch of Adapter 1 must be at the ”PV” position.) Adapter 5 makes Kelvin connections of all the output terminals. The closed channel resistance of each input/output connection is measured.
  • Page 59 I-V Input ↔ Output N (N = 1, . . . ,8) 5. Measure resistance. Bias Port 1. Connect the HP 3458A terminals to Adapters 4 and 5 by using banana cables. (Display instructions.) 2. (Input Hi, ohm sense Hi to Adapter 4) 3.
  • Page 60 Tested by _____________________MO Temperature ________25 degree C Humidity ___________________50 % Line Frequency _______Hz(nominal) CARD 1 HP E5252A 10x12 Matrix Switch Serial Number: __________________________ HP E5250A Low Leakage Switch Mainframe Serial Number: ____JP10C00106 Special Notes: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ *E5252A_N1* --- 1/...
  • Page 61 10. _________________ _________________ _________________ _________________ 11. _________________ _________________ _________________ _________________ 12. _________________ _________________ _________________ _________________ 13. _________________ _________________ _________________ _________________ 14. _________________ _________________ _________________ _________________ *E5252A_N1* --- 2/ HP E5252A Test Record Example (2/15) Service Operation and Test Functions 2-45 www.valuetronics.com...
  • Page 62 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +1.10Pohm| 3.43 % |------------------------------------------------------------------------------ +1.00Tohm| +15.69Tohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +22.80Tohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +29.50Tohm| 1.47 % |------------------------------------------------------------------------------ *E5252A_N1* --- 3/ HP E5252A Test Record Example (3/15) 2-46 Service Operation and Test Functions www.valuetronics.com...
  • Page 63 | +10.00Tohm| +921.48Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +908.98Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +916.76Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +907.06Tohm| 3.43 % |------------------------------------------------------------------------------ *E5252A_N1* --- 4/ HP E5252A Test Record Example (4/15) Service Operation and Test Functions 2-47 www.valuetronics.com...
  • Page 64 | +10.00Tohm| +985.69Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +1.04Pohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +1.07Pohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +782.52Tohm| 3.43 % |------------------------------------------------------------------------------ *E5252A_N1* --- 5/ HP E5252A Test Record Example (5/15) 2-48 Service Operation and Test Functions www.valuetronics.com...
  • Page 65 | +10.00Tohm| +1.06Pohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +1.24Pohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +1.19Pohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +984.47Tohm| 3.43 % |------------------------------------------------------------------------------ *E5252A_N1* --- 6/ HP E5252A Test Record Example (6/15) Service Operation and Test Functions 2-49 www.valuetronics.com...
  • Page 66 +1.37Pohm| 3.43 % |------------------------------------------------------------------------------ +1.00Tohm| +68.08Tohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +326.59Tohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +15.38Pohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ *E5252A_N1* --- 7/ HP E5252A Test Record Example (7/15) 2-50 Service Operation and Test Functions www.valuetronics.com...
  • Page 67 +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ +1.00Tohm| +10.00*ohm| 1.47 % |------------------------------------------------------------------------------ *E5252A_N1* --- 8/ HP E5252A Test Record Example (8/15) Service Operation and Test Functions 2-51 www.valuetronics.com...
  • Page 68 +1.00Gohm| +288.47Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +248.01Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +317.11Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +1.07Pohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +281.73Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +68.38Tohm| 0.785% |------------------------------------------------------------------------------ *E5252A_N1* --- 9/ HP E5252A Test Record Example (9/15) 2-52 Service Operation and Test Functions www.valuetronics.com...
  • Page 69 +1.00Gohm| +215.35Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +68.93Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +211.62Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +181.27Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +3.85Pohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +115.64Tohm| 0.785% |------------------------------------------------------------------------------ *E5252A_N1* --- 10/ HP E5252A Test Record Example (10/15) Service Operation and Test Functions 2-53 www.valuetronics.com...
  • Page 70 | +268.02mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +273.20mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +383.21mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +364.40mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ *E5252A_N1* --- 11/ HP E5252A Test Record Example (11/15) 2-54 Service Operation and Test Functions www.valuetronics.com...
  • Page 71 | +217.31mohm|+600.00mohm| 0.76 % |------------------------------------------------------------------------------ | +218.40mohm|+600.00mohm| 0.76 % |------------------------------------------------------------------------------ | +265.76mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +279.33mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ *E5252A_N1* --- 12/ HP E5252A Test Record Example (12/15) Service Operation and Test Functions 2-55 www.valuetronics.com...
  • Page 72 | +410.79mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +340.16mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +411.15mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +335.92mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ *E5252A_N1* --- 13/ HP E5252A Test Record Example (13/15) 2-56 Service Operation and Test Functions www.valuetronics.com...
  • Page 73 | +290.90mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +313.82mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +308.75mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +282.80mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ *E5252A_N1* --- 14/ HP E5252A Test Record Example (14/15) Service Operation and Test Functions 2-57 www.valuetronics.com...
  • Page 74 | +362.81mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +438.52mohm| +1.00 ohm| 0.76 % |------------------------------------------------------------------------------ | +358.21mohm| +1.00 ohm| 0.76 % ================================================================================ [END OF REPORT] *E5252A_N1* --- 15/ HP E5252A Test Record Example (15/15) 2-58 Service Operation and Test Functions www.valuetronics.com...
  • Page 75 Tested by _____________________MO Temperature ________25 degree C Humidity ___________________50 % Line Frequency _______Hz(nominal) CARD 3 HP E5255A 24 (8x3) Channel Multiplexer Serial Number: ________________JP10C00106 HP E5250A Low Leakage Switch Mainframe Serial Number: ______________ Special Notes: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ *E5255A_N3*...
  • Page 76 10. _________________ _________________ _________________ _________________ 11. _________________ _________________ _________________ _________________ 12. _________________ _________________ _________________ _________________ 13. _________________ _________________ _________________ _________________ 14. _________________ _________________ _________________ _________________ *E5255A_N3* --- 2/ HP E5255A Test Record Example (2/11) 2-60 Service Operation and Test Functions www.valuetronics.com...
  • Page 77 | +10.00Tohm| +707.13Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +651.34Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +584.88Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +649.76Tohm| 3.43 % |------------------------------------------------------------------------------ *E5255A_N3* --- 3/ HP E5255A Test Record Example (3/11) Service Operation and Test Functions 2-61 www.valuetronics.com...
  • Page 78 | +10.00Tohm| +706.71Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +660.14Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +732.79Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +668.37Tohm| 3.43 % |------------------------------------------------------------------------------ *E5255A_N3* --- 4/ HP E5255A Test Record Example (4/11) 2-62 Service Operation and Test Functions www.valuetronics.com...
  • Page 79 | +10.00Tohm| +632.25Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +609.25Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +569.14Tohm| 3.43 % |------------------------------------------------------------------------------ | +10.00Tohm| +574.94Tohm| 3.43 % |------------------------------------------------------------------------------ *E5255A_N3* --- 5/ HP E5255A Test Record Example (5/11) Service Operation and Test Functions 2-63 www.valuetronics.com...
  • Page 80 +1.00Gohm| +26.54Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +23.34Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +22.04Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +7.02Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +8.67Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +13.39Tohm| 0.785% |------------------------------------------------------------------------------ *E5255A_N3* --- 6/ HP E5255A Test Record Example (6/11) 2-64 Service Operation and Test Functions www.valuetronics.com...
  • Page 81 +1.00Gohm| +545.85Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +34.10Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% |------------------------------------------------------------------------------ *E5255A_N3* --- 7/ HP E5255A Test Record Example (7/11) Service Operation and Test Functions 2-65 www.valuetronics.com...
  • Page 82 +1.00Gohm| +13.16Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +5.51Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +7.83Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +9.08Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +15.57Tohm| 0.785% |------------------------------------------------------------------------------ *E5255A_N3* --- 8/ HP E5255A Test Record Example (8/11) 2-66 Service Operation and Test Functions www.valuetronics.com...
  • Page 83 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +6.14Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +12.77Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +6.59Tohm| 0.785% |------------------------------------------------------------------------------ +1.00Gohm| +10.00*ohm| 0.785% ================================================================================ Closed Input/Output Channel Resistance Test -------------------------------------------------------------------------------- *E5255A_N3* --- 9/ HP E5255A Test Record Example (9/11) Service Operation and Test Functions 2-67 www.valuetronics.com...
  • Page 84 | +249.99mohm|+600.00mohm| 1.30 % |------------------------------------------------------------------------------ | +240.69mohm|+600.00mohm| 1.30 % |------------------------------------------------------------------------------ | +251.42mohm|+600.00mohm| 1.30 % |------------------------------------------------------------------------------ | +256.94mohm|+600.00mohm| 1.30 % |------------------------------------------------------------------------------ Closed Bias/Output Channel Resistance Test -------------------------------------------------------------------------------- *E5255A_N3* --- 10/ HP E5255A Test Record Example (10/11) 2-68 Service Operation and Test Functions www.valuetronics.com...
  • Page 85 | +267.19mohm| +1.00 ohm| 1.30 % |------------------------------------------------------------------------------ | +272.60mohm| +1.00 ohm| 1.30 % |------------------------------------------------------------------------------ | +277.62mohm| +1.00 ohm| 1.30 % ================================================================================ [END OF REPORT] *E5255A_N3* --- 11/ HP E5255A Test Record Example (11/11) Service Operation and Test Functions 2-69 www.valuetronics.com...
  • Page 86 www.valuetronics.com...

  • Page 87: Troubleshooting Procedure

    1. Check that the DIP switch settings on the Mainframe rear panel are correct. See ”HP E5250A DIP Switch/HP-IB Address Settings” in Chapter 4. 2. (HP E5255A only) Check that the DIP switch setting on the HP E5255A Multiplexer modules are correct. See ”HP E5255A DIP Switch Settings” in Chapter 4.

  • Page 88: Field Replaceable Units (Frus)

    4-1. ON R Test Fail (Closed Channel Resistance) 4-2. Off R Test Fail (Isolation Resistance/ Leakage) 5. PV Test Fail (HP E5255A Multiplexer) 5-1. ON R Test Fail (Closed Channel Resistance) 5-2. Off R Test Fail (Isolation Resistance/ Leakage) Field Replaceable Units (FRUs) The troubleshooting procedure assumes that the following parts and assemblies are FRUs.

  • Page 89: Troubleshooting Flow

    Troubleshooting Flow 1. Power-On Fail Normal LED On/Off pattern at Power-On is as follows: Note 1. Power switch ON. (0.5 sec) 2. All LEDs are lit. (0.5 sec) 3. Remote and System Fail LEDs turn off. (1 sec) 4. Fail and Local/Self-Test LEDs turn off. Perform in the order 1-1 →...

  • Page 90: 1-4: Other Leds Are Lit (Unexpectedly)

    +-N-> [Replace F-Bd] (If not fixed replace M-Bd) 2-2: Unable to control unit via HP-IB ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ [Replace CPU Bd] (If not fixed replace HP-IB Bd) 3. Self-Test Fail 3-1: Self-Test (Relay Test) Fail ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Use Trouble Isolation Program--see the explanation below ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 91: Pv Test Fail (Hp E5252A Matrix)

    4. PV Test Fail (HP E5252A Matrix) 4-1: ON R Test Fail (Closed Channel Resistance) ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: Marginal = [Spec R] > [On R] > [Spec R × 0.7] ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ One Output ch Fail? ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ +-Y-> [Exchange Failed Path Relay] ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 92: 4-2: Off R Test Fail (Isolation Resistance/ Leakage)

    4-2: Off R Test Fail (Isolation Resistance/ Leakage) ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: If multiple modules fail, perform PV & troubleshooting one by one. ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: If one-by-one test passes and multiple test fails, then ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ replace [Pre Selector Relay -> Mother Bd or AUX Path Coax Cable] ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 93: Pv Test Fail (Hp E5255A Multiplexer)

    5. PV Test Fail (HP E5255A Multiplexer) 5-1: ON R Test Fail (Closed Channel Resistance) ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: Marginal = [Spec R] > [On R] > [Spec R × 0.7] ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: If resistors are used in Bias path, take resistor values ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 94: 5-2: Off R Test Fail (Isolation Resistance/ Leakage)

    5-2: Off R Test Fail (Isolation Resistance/ Leakage) ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: If multiple modules fail, perform PV & troubleshooting one by one. ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ Note: If multiple blocks are connected to single Input ch and PV fails, ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ connect each block to single input, then perform PV & trouble- ÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆÆ...

  • Page 95: Hardware Information

    The HP E5252A 10×12 Matrix Switch is a 10-input to 12-output switching matrix card for the HP E5250A. A maximum of four HP E5252As can be installed in the HP E5250A. All the input terminals of the HP E5252As are connected together inside the HP E5250A (on the mother board backplane bus).

  • Page 96: Hp E5255A 24 (8×3) Channel Multiplexer

    One HP E5255A can be configured as a 2×8 multiplexer, 2×16 multiplexer, or 2×24 multiplexer. A maximum of four HP E5255As can be installed in the HP E5250A, which can use the multiplexers in many configurations. The following are examples: Twelve Three 8-output multiplexers →...
  • Page 97 Figure 4-2. HP E5255A (One Block) Block Diagram The HP E5255A has three (one for each block) BIAS input ports on the HP E5255A rear panel and SMU1–SMU6 terminals, which are connected to the SMU INPUT ports on the HP E5250A rear panel.

  • Page 98: Hp E5255A Dip Switch Settings

    HP E5255A DIP Switch Settings Each HP E5255A block has a DIP switch. The DIP switches must be set properly according to the internal connection. Each DIP switch has four bit switches. For detailed information about the HP E5255A setting, see ”To Set up the Internal Connections of HP E5255A” in Chapter 2 of the HP E5250A User’s Guide (HP P/N E5250-90000).

  • Page 99: Hp E5250A Dip Switch/Hp-Ib Address Settings

    INPUT 51 connector will be the bias input port of the 24 channel multiplexer. HP E5250A DIP Switch/HP-IB Address Settings The HP E5250A has a DIP switch on the rear panel, which is mainly used for setting the HP-IB address.

  • Page 100: Power-On Self-Test

    Power-On Self-Test The following indicate the required HP E5250A rear panel DIP switch (bit) setting for each Power-On Test item (for bits 1 through 3): 1. LED Display Test: Bit1 = 1 2. ROM CheckSum Test: Bit2 = 0 3. RAM Read/Write Test: (Always executed) 4.
  • Page 101 5. Timer Test 1. TIMER2 Test (1 msec) 2. TIMER5 Test (1 sec) 6. Module IO Test 1. Card1 ID Check 2. Card1 ID Check 3. Card1 ID Check 4. Card1 ID Check LED Patterns (Error Codes) on SYS FAIL (SYS FAIL Disp Mode—Bit3 = 1) LED Patterns (Error Codes) Error Code TEST...
  • Page 102 SysFail on Boot Initialize PON TEST Fail Error Code 1 (0.5 sec interval) IS OPEN Fail Error Code 2 (0.5 sec interval) IS REGISTER Fail Error Code 3 (0.5 sec interval) RLOCK OPEN Fail Error Code 4 (0.5 sec interval) MCAT OPEN Fail Error Code 5 (0.5 sec interval) SCPI SPAWN Fail...

  • Page 103: Control And Power Supply Diagram

    Control and Power Supply Diagram Figure 4-5. CPU and Control Diagram CPU Board 68332 16 MHz 512 KB UVROM 128 KB SRAM Self-Test Circuitry Module Interface Bus Data: 8-bit Address: 5-bit Control: 4 lines (Reset, Board Select, Read, Write) Power Supply Input: 100 –...

  • Page 104: Circuit Diagrams

    Rear Panel CPU Board Backplane Bus IV-1 (Triax)=(Coax cable) ========================= Exclusive IV-2 (Triax)=(Coax cable) ========================= Exclusive IV-3 (Triax)=(Coax cable) ========================= Exclusive IV-4 (Triax)=(Coax cable) ========================= Exclusive IV-5 (Triax)=(Coax cable) ========================= Exclusive IV-6 (Triax)=(Coax cable) ========================= Exclusive HF-1 (BNC) ==(Coax cable) == SMB = SMB ============ DIN HF-2 (BNC) ==(Coax cable) == SMB = SMB ============ DIN CV-1 (BNC) ==(Coax cable) == SMB = SMB ===+======== DIN | (Center Conductor)
  • Page 105 Insert artwork here. Figure 4-7. HP E5252A Circuit Diagram (1/4) Hardware Information 4-11 www.valuetronics.com...
  • Page 106 Insert artwork here. Figure 4-8. HP E5252A Circuit Diagram (2/4) 4-12 Hardware Information www.valuetronics.com...
  • Page 107 Insert artwork here. Figure 4-9. HP E5252A Circuit Diagram (3/4) Hardware Information 4-13 www.valuetronics.com...
  • Page 108 Insert artwork here. Figure 4-10. HP E5252A Circuit Diagram (4/4) 4-14 Hardware Information www.valuetronics.com...
  • Page 109 Insert artwork here. Figure 4-11. HP E5255A Circuit Diagram (1/3) Hardware Information 4-15 www.valuetronics.com...
  • Page 110 Insert artwork here. Figure 4-12. HP E5255A Circuit Diagram (2/3) 4-16 Hardware Information www.valuetronics.com...
  • Page 111 Insert artwork here. Figure 4-13. HP E5255A Circuit Diagram (3/3) Hardware Information 4-17 www.valuetronics.com...
  • Page 112 www.valuetronics.com...

  • Page 113: Replaceable Parts

    When replacing the power supply module, do NOT touch the components on the module|they become very hot. When handling the printed circuit boards and components on the HP E5252A Caution and HP E5255A, use clean gloves. Stains, lint, oil, etc. cause leakage currents. Replaceable Parts 5-1 www.valuetronics.com...

  • Page 114: Replaceable Parts Lists

    Replaceable Parts Lists HP E5250A Mainframe Assemblies The electrical part of the HP E5250A Mainframe consists of the assemblies shown in the following figure: Figure 5-1. HP E5250A Assembly Location 5-2 Replaceable Parts www.valuetronics.com...

  • Page 115: Hp E5252A/E5255A Parts

    For the Front LED Board location, see Figure 5-6. HP E5252A/E5255A Parts The HP E5252A Matrix and HP E5255A Multiplexer are component-level repair products. Assembly replacement is acceptable when the assembly is worn out or component-level repair is not possible.

  • Page 116: Hp E5252A Parts

    Table 5-3. HP E5252A Parts Reference Part Number Description Quantity Designation 0180-3597 CAP 47µF 35 V 0180-3597 CAP 47µF 35 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V...
  • Page 117 Table 5-3. HP E5252A Parts (continued) Reference Part Number Description Quantity Designation 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0360-1641 TERM-FKD-TUR 0960-1238 PROBE COAX...
  • Page 118 Table 5-3. HP E5252A Parts (continued) Reference Part Number Description Quantity Designation K504 0490-1793 RLY-REED 2M 2.5A K505 0490-1793 RLY-REED 2M 2.5A K506 0490-1793 RLY-REED 2M 2.5A K507 0490-1793 RLY-REED 2M 2.5A K508 0490-1793 RLY-REED 2M 2.5A K509 0490-1793 RLY-REED 2M 2.5A...
  • Page 119 Table 5-3. HP E5252A Parts (continued) Reference Part Number Description Quantity Designation 1820-4249 IC-SN74ALS04BD 1820-4252 IC-SN74ALS10AD 1820-4933 IC-SN74ALS541DW 0361-1053 RVT-BLINDPL-THRU 0515-0664 SCR-MACHINE (TORX) 0515-0914 SCR-MACH M3X0.5 0515-1550 SCR-MACHINE (FOR PC BRD) 0515-1551 SCR-MACHINE (FOR GUIDE) 0590-1095 THD INSR-NUT 0590-1793 THD INSR-STDF...

  • Page 120: Hp E5255A Parts

    Table 5-4. HP E5255A Parts Reference Part Number Description Quantity Designation 0180-3597 CAP 47µF 35 V 0180-3597 CAP 47µF 35 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V 0160-7563 CAP 0.1µF 25 V...
  • Page 121 Table 5-4. HP E5255A Parts (continued) Reference Part Number Description Quantity Designation 1251-7845 CONN-POST-TP-PST 0960-1238 PROBE COAX 0960-1238 PROBE COAX 1251-7799 CONN-POST-TP-PST 0360-2601 BARRIER BLOCK 0360-2601 BARRIER BLOCK 0360-2601 BARRIER BLOCK 0960-1238 PROBE COAX 1250-2558 TERMN-COAX-CA 1250-2558 TERMN-COAX-CA 1250-2558 TERMN-COAX-CA...
  • Page 122 Table 5-4. HP E5255A Parts (continued) Reference Part Number Description Quantity Designation K401 0490-1790 RLY-REED 1T 2.5A K402 0490-1790 RLY-REED 1T 2.5A K403 0490-1790 RLY-REED 1T 2.5A 9140-1976 L 10µH +10% 10% 9140-1976 L 10µH +10% 10% 1810-1128 NETWORK-RES SMD...
  • Page 123 Table 5-4. HP E5255A Parts (continued) Reference Part Number Description Quantity Designation 0361-1053 RVT-BLINDPL-THRU 0380-1782 STDF 0380-3070 STDF-HEX .25-IN 0515-0664 SCR-MACHINE (TORX) 0515-0914 SCR-MACH M3X0.5 (FOR COVER(3)) 0515-1550 SCR-MACHINE (FOR PC BRD) 0515-1551 SCR-MACHINE (FOR GUIDE) 0590-1095 THD INSR-NUT 0590-1793...

  • Page 124: Tools And Consumables

    Tools and Consumables The following are tools and consumables for the HP E5250A/E5252A/E5255A. Table 5-5. Tools and Consumables Assembly/Part New Assembly/ Name Part Number Relay Test Adapter E5250-60002 PV Tools: PV Tool Set E5250-65801 Isolation Test Adapter E5250-65002 Banana-Triax Adapter...

  • Page 125: Hp E5250A Mainframe Chassis

    HP E5250A Mainframe Chassis Figure 5-2. Mainframe (1 of 2) Table 5-6. Mainframe (1 of 2) Reference Part Number Part Number Quantity Description Designation (Original Color) (New Color) 5062-3848 5062-3999 Side Cover 5062-3705 5063-9211 Strap Handle 5041-8819 5041-9186 Front Cap...
  • Page 126 Figure 5-3. Mainframe (2 of 2) Table 5-7. Mainframe (2 of 2) Reference Part Number Quantity Description Designation E5250-04003 Cover 0515-1719 Screw M4 0515-1012 Screw M4 5-14 Replaceable Parts www.valuetronics.com...

  • Page 127: Hp E5250A Power Switch

    HP E5250A Power Switch Figure 5-4. Power Switch Table 5-8. Power Switch Reference Part Number Quantity Description Designation E5250-01206 Angle E5250-01204 Angle 1460-2360 Spring 0400-0064 Bush 5041-0564 Key Cap 0515-2079 Screw M4 Replaceable Parts 5-15 www.valuetronics.com...

  • Page 128: Hp E5250A Front Panel

    HP E5250A Front Panel Figure 5-5. Front Panel (1 of 4) Table 5-9. Front Panel (1 of 4) Reference Part Number Quantity Description Designation 0515-2079 Screw M4 0515-1012 Screw M4 5-16 Replaceable Parts www.valuetronics.com...
  • Page 129 Figure 5-6. Front Panel (2 of 4) Table 5-10. Front Panel (2 of 4) Reference Part Number Quantity Description Designation E5250-66503 LED Board 0400-0157 Bush 0515-1550 Screw M3 Replaceable Parts 5-17 www.valuetronics.com...
  • Page 130 Figure 5-7. Front Panel (3 of 4) Table 5-11. Front Panel (3 of 4) Reference Part Number Part Number Quantity Description Designation (Original Color) (New Color) E5250-87101 E5250-87141 Label 1 For JP10C00351 and above. 5-18 Replaceable Parts www.valuetronics.com...
  • Page 131 Figure 5-8. Front Panel (4 of 4) Table 5-12. Front Panel (4 of 4) Reference Part Number Part Number Quantity Description Designation (Original Color) (New Color) E5250-00201 Front Sub Panel ⇐= 5021-8407 5022-1190 Front Frame 0515-1012 ⇐= Screw M4 1 For JP10C00351 and above. Replaceable Parts 5-19 www.valuetronics.com...

  • Page 132: Hp E5250A Cpu And Power Supply

    HP E5250A CPU and Power Supply Figure 5-9. CPU and Power Supply (1 of 2) Table 5-13. CPU and Power Supply (1 of 2) Reference Part Number Quantity Description Designation E5250-04006 Shield Cover 05335-0043 Nut M4 5-20 Replaceable Parts www.valuetronics.com...

  • Page 133: Cpu And Power Supply (2 Of 2)

    Figure 5-10. CPU and Power Supply (2 of 2) Table 5-14. CPU and Power Supply (2 of 2) Reference Part Number Quantity Description Designation E5250-66501 CPU Board E5250-61001 Power Supply E5250-61626 Cable Assembly 0535-0043 Nut M4 0515-1550 Screw M3 Replaceable Parts 5-21 www.valuetronics.com...

  • Page 134: Hp E5250A Mother Board

    HP E5250A Mother Board Figure 5-11. Mother Board (1 of 3 ) Table 5-15. Mother Board (1 of 3 ) Reference Part Number Quantity Description Designation 1400-1438 Cable Mount 1400-0493 Tie-wrap 5-22 Replaceable Parts www.valuetronics.com...
  • Page 135 Figure 5-12. Mother Board (2 of 3) Table 5-16. Mother Board (2 of 3) Reference Part Number Quantity Description Designation E5250-00101 Chassis 0515-2079 Screw M4 Replaceable Parts 5-23 www.valuetronics.com...
  • Page 136 Figure 5-13. Mother Board (3 of 3) Table 5-17. Mother Board (3 of 3) Reference Part Number Quantity Description Designation E5250-00103 Mother Chassis E5250-66502 Mother Board 0515-1550 Screw M3 5-24 Replaceable Parts www.valuetronics.com...

  • Page 137: Hp E5250A Rear Frame

    HP E5250A Rear Frame Figure 5-14. Rear Frame (1 of 3) Table 5-18. Rear Frame (1 of 3) Reference Part Number Quantity Description Designation 5021-5808 Rear Frame 0515-1719 Screw M4 0515-1550 Screw M3 Replaceable Parts 5-25 www.valuetronics.com...

  • Page 138: Rear Frame (2 Of 3)

    Figure 5-15. Rear Frame (2 of 3) Table 5-19. Rear Frame (2 of 3) Reference Part Number Quantity Description Designation E5250-61631 Coaxial Cable Assembly E5250-66504 HP-IB Board 2190-0577 Spring Washer 0380-0643 Screw Hex 5-26 Replaceable Parts www.valuetronics.com...

  • Page 139: Rear Frame (3 Of 3)

    Figure 5-16. Rear Frame (3 of 3) Table 5-20. Rear Frame (3 of 3) Reference Part Number Quantity Description Designation E5250-04002 Rear Panel 2190-0054 Washer 2950-0054 E5250-24003 Guide 1250-0102 BNC Connector 1250-1906 Triaxial Connector Replaceable Parts 5-27 www.valuetronics.com...

  • Page 140: Hp 16495A/F Connector Plate

    HP 16495A/F Connector Plate Figure 5-17. HP 16495A/F (1 of 2) Table 5-21. HP 16495A/F (1 of 2) Reference Part Number Quantity Description Designation 16495-00201 (HP 16495A) Panel 16495-00211 (HP 16495F #001) Panel 16495-00206 (HP 16495F #002) Panel 1250-2618 (HP 16495F #001) Triaxial Connector...

  • Page 141: Hp 16495A/F (2 Of 2)

    Figure 5-18. HP 16495A/F (2 of 2) Table 5-22. HP 16495A/F (2 of 2) Reference Part Number Quantity Description Designation 16495-04001 Cover 0515-0914 Screw M3 Replaceable Parts 5-29 www.valuetronics.com...

  • Page 142: Hp 16495B/G Connector Plate

    HP 16495B/G Connector Plate Figure 5-19. HP 16495B/G (1 of 2) Table 5-23. HP 16495B/G (1 of 2) Reference Part Number Quantity Description Designation 16495-00202 (HP 16495B) Panel 16495-00212 (HP 16495G #001) Panel 16495-00207 (HP 16495G #002) Panel 1250-2618 (HP 16495G #001) Triaxial Connector...

  • Page 143: Hp 16495B/G (2 Of 2)

    Figure 5-20. HP 16495B/G (2 of 2) Table 5-24. HP 16495B/G (2 of 2) Reference Part Number Quantity Description Designation 16495-04002 Cover 0515-0914 Screw M3 Replaceable Parts 5-31 www.valuetronics.com...

  • Page 144: Hp 16495C Connector Plate

    HP 16495C Connector Plate Figure 5-21. HP 16495C (1 of 2) Table 5-25. HP 16495C (1 of 2) Reference Part Number Quantity Description Designation 16495-00203 Panel 1250-1906 Triaxial Connector 1252-1419 Connector 6-Pin 1251-2367 Connector 8-Pin 1251-0179 Contact Pin 0380-3070 Screw...

  • Page 145: Hp 16495C (2 Of 2)

    Figure 5-22. HP 16495C (2 of 2) Table 5-26. HP 16495C (2 of 2) Reference Part Number Quantity Description Designation 16495-04001 Cover 0515-0914 Screw M3 Replaceable Parts 5-33 www.valuetronics.com...

  • Page 146: Hp 16495D Connector Plate

    HP 16495D Connector Plate Figure 5-23. HP 16495D (1 of 2) Table 5-27. HP 16495D (1 of 2) Reference Part Number Quantity Description Designation 16495-00204 Panel 1250-1906 Triaxial Connector 1252-1419 Connector 6-Pin 1251-2367 Connector 8-Pin 1251-0179 Contact Pin 0380-3070 Screw...

  • Page 147: Hp 16495D (2 Of 2)

    Figure 5-24. HP 16495D (2 of 2) Table 5-28. HP 16495D (2 of 2) Reference Part Number Quantity Description Designation 16495-04002 Cover 0515-0914 Screw M3 Replaceable Parts 5-35 www.valuetronics.com...
  • Page 148 www.valuetronics.com...

  • Page 149: Index

    2-20 HP 16495F, 5-28 closed channel resistance test, 2-20, 2-31 HP 16495G, 5-30 connection details (HP E5252A), 2-39 HP 3458A, 1-4, 2-6, 2-8, 2-31 connection details (HP E5255A), 2-42 HP 4155A, 1-1 HP E5252A, 2-39 HP 4156A, 1-1...
  • Page 150 LEDs test procedure, 2-6 front panel, 2-1, 2-2 test record, 2-5 Line LED, 3-3 test record example (HP E5252A), 2-44 low current measurement, 4-1 test record example (HP E5255A), 2-59 low leakage switch, 1-1 tools and instruments, 2-32 traceability, 2-33...
  • Page 151 HP E5250A, 4-5 ROM, 5-2 RECONFIG MENU, 2-7 RECONFIG MENU operation, 2-24 HP-IB address entry, 2-24 selective test mode, 2-10 printer control setting entry, 2-24 self-test relays fail, 3-4 wearing out, 1-3 self-test utility software, 1-2, 1-3 relay test, 1-3, 2-13, 2-30, 2-31...
  • Page 152 www.valuetronics.com...

This manual is also suitable for:

E5252aE5255a