Agilent Technologies 1142A Скачать руководство пользователя страница 27

1142A Probe Control and Power Module

Replaceable Parts

27

Figure 6

A1 Power and Control Assembly

Содержание 1142A

Страница 1: ...Agilent Technologies Agilent 1142A Probe Control and Power Module User s Guide...

Страница 2: ...under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime contract or s...

Страница 3: ...13 Service 15 Replaceable Parts 19 Contacting Agilent 32 The 1142A supplies two sets of positive and negative voltages for use by active probes For the 1141A probe it also supplies an offset current...

Страница 4: ...A One power cord One operating and service guide Accessories Available A fan out adapter is available to power two probes with one supply Fan out adapter part number 01144 61604 Instruments Covered by...

Страница 5: ...nt has been checked mechanically and electrically 2 Check the accessories If the contents are incomplete or damaged notify your Agilent Technologies Sales Office 3 Inspect the instrument a If there is...

Страница 6: ...the instrument s rear panel is set properly Applying a voltage excessive to the setting may open the protective fuse The rear panel fuse F1 is a 0 25A 250V time delay fuse The fuse used is the same r...

Страница 7: ...uld result in a shock hazard if there is a failure in this instrument or equipment connected to it The 1142A is provided with a three wire power cable When connected to an appropriate ac power outlet...

Страница 8: ...ument Markings Marking Description Instruction manual symbol the product is marked with this symbol when it is necessary for you to refer to the instruction manual in order to protect against damage t...

Страница 9: ...addition note the external markings on the instrument as described in Table 1 on page 8 WARNING If the instrument is damaged or if it fails to operate according to the characteristics in this manual...

Страница 10: ...Do not install substitute parts or perform any unauthorized modification to the instrument WARNING Capacitors inside the instrument may retain a charge even if the instrument is disconnected from its...

Страница 11: ...ons and the user s experience concerning need for testing will contribute to verification requirements NOTE If this supply is used with an 1141A Differential Probe use the procedures in the user and s...

Страница 12: ...1142A Probe Control and Power Module Performance Test Table 2 Voltage Outputs on Rear Panel Connector Connector Pin Voltage 1 LF Signal 2 Offset Out 3 6V 4 15V 5 Offset Common 6 15V 7 Power Common 8...

Страница 13: ...Probe with the 1142A Probe Control and Power Module Table 3 Environmental Conditions Item Characteristic Use Indoor Temperature Operating 0 C to 55 C 32 F to 131 F Non operating 40 C to 70 C 40 F to...

Страница 14: ...quipment needed for testing and troubleshooting this instrument is a digital multimeter with at least 0 5 voltage measurement accuracy A 34401A is sufficient Table 4 Power Requirements Item Specificat...

Страница 15: ...of the assembly The service policy for the 1142A Probe Control and Power Module is component level repair Safety Read the Safety Information on page 8 before servicing the instrument Before performing...

Страница 16: ...local and remote control and power to an 1141A Differential Probe For more complete information about how this power module is used with the differential probe see the service section of the user and...

Страница 17: ...tage used to null the dc component of the input signal LFSIG is an input to U6 an inverting amplifier and low pass filter Multiplexer U3 selects one of three capacitors to set a roll off frequency of...

Страница 18: ...s 1 Remove the power cord 2 Remove four flathead screws and remove the top cover WARNING Be sure to reconnect the safety ground when reassembling the instrument 3 Unplug the safety ground from the tab...

Страница 19: ...Direct Mail Order System Within the USA Agilent Technologies can supply parts through a direct mail order system There are several advantages to this system Direct ordering and shipment from the Agile...

Страница 20: ...part consists of the following Reference designator part number Part number Check Digit CD Total quantity Qty in instrument or on assembly The total quantity is given once and at the first appearance...

Страница 21: ...IP H2 0515 1031 4 SCREW MACH M3 6MM LG 90 DEG FLH HD 00000 ORDER BY DESCRIP H3 0515 1579 1 SCREW MACHINE M5 18MM LG 00000 ORDER BY DESCRIP MP1 01142 47701 1 BOTTOM CHASSIS 28480 01142 47701 MP2 01142...

Страница 22: ...CAPACITOR FXD 4 7UF 10 35VDC TA 28480 0180 3845 C11 NOT ASSIGNED C12 0160 5581 1 CAPACITOR FXD 0 033UF 10 63VDC 28480 0160 5581 C13 0160 6190 CAPACITOR FXD 0 33UF 10 50VDC 28480 0160 6190 C14 0160 70...

Страница 23: ...2 1 FUSEHOLDER 6 3A 250 V 28480 2110 0642 E2 2110 0565 1 FUSEHOLDER CAP 28480 2110 0565 F1 2110 0201 1 FUSE 0 25A 250V TD 28480 2110 0201 H1 0515 1579 1 SCREW MACHINE M5 18MM LG 28480 0515 1579 HS1 01...

Страница 24: ...99 1203 R16 0698 6317 2 RESISTOR 500 0 1 0 125W TF TC 0 25 28480 0698 6317 R17 0698 4002 RESISTOR 5K 1 0 125W TF TC 0 100 24546 CT4 1 8 T0 5001 F R18 0699 1203 RESISTOR 120 0 1 0 125W TF TC 0 25 28480...

Страница 25: ...09 S2 3101 3007 1 SWITCH 6 STATION ASSEMBLY 28480 3101 3007 T1 9100 4750 1 TRANSFORMER POWER with mtg hdwr 28480 9100 4750 U1 1826 1403 2 IC V RGLTR ADJ POS 3 40V 00000 LT317AT U2 1826 1670 2 IC V RGL...

Страница 26: ...13 C 3 R8 C 5 R25 B 2 R48 D 3 U8 B 3 C5 C 3 C21 B 5 CR14 C 6 MP1 H 1 R9 C 4 R26 B 2 U9 A 5 C6 C 5 C22 B 6 CR17 B 5 MP2 E 3 R10 C 5 R27 A 5 RP1 B 3 U10 C 2 C7 B 3 C23 B 4 CR18 B 6 MP3 D 3 R11 C 5 R28 A...

Страница 27: ...1142A Probe Control and Power Module Replaceable Parts 27 Figure 6 A1 Power and Control Assembly...

Страница 28: ...circuits that are on Figure 8 on page 30 This helps avoid non functional clutter on the schematic and gives one place to show IC power connections when IC sections are split between schematics Unless...

Страница 29: ...1142A Probe Control and Power Module Replaceable Parts 29 Figure 7 Schematic 1...

Страница 30: ...Probe Control and Power Module Replaceable Parts Figure 8 Schematic 2 Table 11 IC Connections Not Shown for Figure 7 Supply Pin Number IC Group 15V 14 U3 15V 3 GND 15 15V 7 U6 8 11 15V 4 NC 1 5 8 5 16...

Страница 31: ...1142A Probe Control and Power Module Replaceable Parts 31 Figure 9 Schematic 3...

Страница 32: ...equired or failure indications Retain all accessories Return the power supply in its original shipping materials or pack the power supply in foam or other shock absorbing material and place it in a st...

Страница 33: ...1142A Probe Control and Power Module 33...

Страница 34: ...01142 97003 Manual Part Number 01142 97003 Agilent Technologies Printed in Malaysia August 2014...

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