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e3641a service manualIt presents methods and techniques to decrease setup time and test time. It is also useful to the manufacturing engineer, as these methods can be beneficial for manufacturing tests. The combination of bench- top and system features in these power supplies provides versatile solutions for your design and test requirements. When you're trying to boost throughput in time-critical production test systems, a small change in the way you operate or program a supply can have a surprising impact on test speeds. Specifically, the booklet. Every day, we send 5000 shipments and we ensure that they arrive in the shortest time available. After entering your symbols to the system, you can refer to them while searching products in the catalogue. It does not change their basic features. Here you can also unsubscribe from the list. Withdrawal of consent has no bearing on the legitimacy of processing that was performed prior to the withdrawal. 8. You also have the right to file a complaint to a supervisory data protection authority. Keep up to date with the TME offer Please try again. The minimum length should be minLength characters. Power Instruments Pressure Measurement Testo The Last US Bag Co. Thermco Thermo Electron - Orion Thermo Probe Thermoworks Thermographic Meas.Contact Us: Why Calibrate? Request a calibration quote Learn about rentals Speak to an expert. Did you miss your activation email ? It turned out that three chips were dead in the front panel module: Intel 80C51 micro-controller, HV518PJ VFD driver and 74HC02 quad NOR gate. Fixing this took quite a bit of SMD and through-hole rework, and quite a bit of luck, especially finding the firmware for the micro-controller. Replacement parts on DigiKey: AT89S51: HV518PG Firmware 34401-88804 rev01: 34401A multimeter service guide with display and keyboard schematic: Thanks for another great repair video. Wonder what causes the string of failed devices including the CPU. Run over by a train or strike by lightning.http://hainescentreasia.com/images/craftsman-25cc-weed-wacker-manual.xml
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Lucky firmware and schematic are at hand. The HV518 probably failed and shorted Vpp (up to 90V) to Vdd (5V). Vpp (pin 1) and Vdd (pin 44) are next to each other. This one was more extensive than HP supplies I've worked on. Always enjoyable to learn new things about fixing them. Se ha producido un error. Ve a la cesta para obtener mas informacion. You can view it on computer, tablet or ” Mas informacion - se abre en una nueva ventana o pestana Este importe esta sujeto a cambios hasta que realices el pago. Para informacion adicional, consulta los Terminos y condiciones del Programa de envios globales - se abre en una nueva ventana o pestana Este importe esta sujeto a cambios hasta que realices el pago. Si resides en un Estado Miembro de la UE aparte de Reino Unido, el IVA de importacion de esta compra no es recuperable. Para mas informacion, consulta los Terminos y condiciones del Programa de envios globales - se abre en una nueva ventana o pestana El plazo de entrega puede variar, especialmente durante fechas de maxima actividad, dependiendo de la ubicacion del comprador Mas informacion - se abre en una nueva ventana o pestana Mas informacion - se abre en una nueva ventana o pestana Mas informacion - se abre en una nueva ventana o pestana Mas informacion - se abre en una nueva ventana o pestana Mas informacion - se abre en una nueva ventana o pestana El articulo puede mostrar un deterioro superficial, pero funciona perfectamente. Este articulo puede ser un modelo de muestra o haber sido devuelto al vendedor tras ser usado un cierto periodo de tiempo. En el anuncio del vendedor encontraras todos los detalles y una descripcion de los desperfectos, si los hay. You can view it on computer, tablet or smartphone, easily search the contents, print the section you need at the time ” Contactar al vendedor - se abre en una nueva ventana o pestana y selecciona un servicio de envio para tu ubicacion. Introduce un codigo postal valido. Introduce un numero menor o igual que 5.http://feng-huametal.com/userfiles/craftsman-26-gallon-air-compressor-owners-manual.xml En las transacciones que cumplan los requisitos necesarios, estaras cubierto por la Garantia al cliente de eBay si recibiste un articulo que es distinto de la descripcion que aparece en el anuncio. Algunas compras especificas no estan cubiertas por la garantia.Todos los derechos reservados. Condiciones de uso, Privacidad, Cookies y AdChoice Seguridad Norton: patrocinado por Verisign. It is like a Shopping Cart, but instead of inserting items to purchase into your cart, you insert your requests for quotes. You can manage your Request Cart by clicking on the icon Note: If you are a dealer, please register here.It is like a Shopping Cart, but instead of inserting items to purchase into your cart, you insert your requests for quotes.We’we listed a few similiar items that may interest you. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. It turned out that three chips were dead in the front panel module: Intel 80C51 micro-controller, HV518PJ VFD driver and 74HC02 quad NOR gate. Forum: Replacement parts on DigiKey: AT89S51: HV518PG Firmware 34401-88804 rev01: 34401A multimeter service guide with display and k It turned out to have a faulty LED driver chip, which was replaced. It seems that thermal management of this chip was not designed very well.The problem was diagnosed to be in the power supply of the amplifier. A step-down converter chip by Linear Technology has failed. The chip was replaced, and the accordion is back in business. LT3693 datasheet. Renesas M61571AFP datasheet: Not a very exciting repair. Some basic checking was done as well, and the meter was found to be in spec.The project was delayed for a few months due to shipping delays from China, but in the end I decided not to use the big 22000 uF 63V capacitors I bought from there.http://gbb.global/blog/bose-ufs-20-speaker-stands-manual They measured about 12000uF, so I suspect that they are fake. NAD 3225PE repair: About twice the capacity of the original Ni-MH pack. Requires a small modification in the scopemeter: adding a 120K 1 resistor across R4113. Repair video. Followup. Battery testing. Forum. Connector housing on Digikey. Crimp contacts on Digikey: How come It did not occur to me right away. It is so obvious (once you know the answer). Just use an FFC with contacts on the opposite sides. Previous video. Opposite-side FFC: Both are incomplete, but one is more so. The other one was repaired. A keypad board was designed and manufactured. Despite of a silly mistake, this first version turned out to be usable. The second unit also shows some hope, but it needs a memory module and a power connector. It also features a very ugly spot on its LCD. And both units need batteries, so, perhaps, yet another li-ion battery upgrade is coming. Hopefully. Followup video. Connector on Mouser. FFC on Mouser. Fan on Mouser: It seems that a thicker spacer should help, but I don't have the means to make one at the moment. Previous video: It turned out to be just a blown 4A fuse. Boring repair. Fuse on Digikey: Design decisions are discussed in detail, and the code for ATmega164PA is shown. The new display is very bright with a very wide viewing angle, but it could use a better diffusing overlay. Previous videos. Repair. TFT display part 1. TFT display part 2: It was described as having a non-working channel A, and also it did not have any accessories. The scopemeter was taken apart, shown in some detail, the schematic of the isolated channel front-end was discussed, and some testing was performed. The unfortunate conclusion was that, most probably, the channel ASIC is faulty, and therefore, the channel A is not repairable unless a donor unit turns up for a good price or a miraculous source of these OQ0206HL ASICs is found.http://granit-evolution.com/images/canon-powershot-a530-digital-camera-manual.pdfIt turned out that the power supply is present, but a mains connector with EMI filter is missing. After installing a new filter the instrument booted up, but the output was found to be about 16dB low. The step attenuator was suspected, taken apart, analyzed and tested. Nothing was found wrong with it, and everything worked perfectly after reassembly. A bit of a mystery as to the root cause. HP ESG-D2000A video: Repair video. Forum: Apparently, this is an unfinished repair attempt. The amplifier was repaired and tested, and many details have been explained in the process. Discuss: It seems to be beyond repair.The result of the test is a bit disappointing. The battery has about 75 of the nominal capacity. However, the genuine Panasonic battery was found to be exactly as it should. Using Agilent 66x for testing Li-ion batteries. Agilent 66312A repair: A replacement VFD was fitted as well as replacement binding posts. The power supply was load tested. Using Agilent 661x for testing Li-ion batteries: A Zener diode was found to be dead and was replaced to restore a nice and bright display.The Xilinx CPLD chip was found to be loading the 3.3V rail. The chip is programmable, and, most probably, the program is not available and not readable from such chip (even if a working unit was available). Therefore the unit was deemed beyond economical repair.The key pad had to be cleaned. And there was a hope that display focus could be improved, which did not quite happen, but it was not too bad. In the process some capacitors in the power supply were found to be bad, so all of them have been replaced. EEVblog RIFA capacitors video: Thank you very much! The Signal Path channel: Previous video. For discussion and firmware see forum:The DC-DC converter was repaired, but there were no signs of life, and the DSP seems to run too hot. At the moment this looks beyond economical repair. Service manual. Forum: Yet another problem with a switch-mode power supply, and yet another case of bad electrolytic capacitors. AS3842 datasheet. AS3842 application note: Measurements were done to show the fault condition. The fault was traced to a bad electrolytic capacitor on the primary side. FSDM0265R data sheet: So now the generator produces output with the right frequency and level. The architecture of various RF modules have been discussed In the process. Forum: The symptom was demonstrated, and the diagnosis was confirmed by measuring the voice coil both at DC and at 1KHz. A good woofer was also measured (not the same model) to show the difference. Previous Mackie Thump TH-12A repair: The unit is, probably, more than 40 years old, and seems to be in spec.It turned out to have a bent pin, that broke off in an attempt to straighten it out. The part number of the SD Card connector was identified, but no luck finding a replacement part. An attempt was made to solder the tiny pin, which was successful. SD Card connector data sheet. Another R16 repair attempt. Power supply analysis and repair: There was a small fire that burned a hole in the PCB and destroyed a few components. Also there was a bit of a mystery with a peak detector in one of the channels. The damage was repaired and the peak detector was fixed as well. Schematics: The problem turned out to be similar to the one we have seen before in the Mackie Thump TH-12A repair video: broken off pins from power diodes in TO-220 packages that are mounted on the back panel (heat sink). Mackie Thump TH-12A repair: This might be especially useful in the absence of an electronic load.I could not resist the temptation.A very cheap Fluke 99 was picked up on eBay with some problems. A Lipo pack was built for it. This time the charging voltage was adjusted from 8V to 8.4V, and also the charging current was doubled. Fluke 97 Li-ion battery upgrade. Forum: The problem was traced to a pair of power diodes in a TO-220 package that had two pins broken off. I am quite puzzled as to how this happened. Perhaps, the speaker was dropped, and the board flexed so much due to relatively heavy transformer. Strange things happen.The problem was traced to a broken wire inside of the J1772 handle. It seems like strain relief was not done properly. The main unit was also taken apart In the process with a closer look at the control board. The handle was fixed, and the charger is back in business. DIY L2 charger project:Wikipedia page about SAE J1772 connector: The problem was traced to a tantalum capacitor that appeared to have caught fire, detached from the board and stuck between the battery terminals (what are the chances of that?) A proper disassembly procedure was shown.The receiver did not show an active channel and battery status of the transmitter. The problem was traced to a cracked soldering joint on one of the pins of a board-to-board connector.It seems that the supply did not survive some sort of a surge on the input, and there was no protection against that. The supply was repaired and some details of the design were discussed. Previous video: It was described as not powering up. It turned out that both the external power supply and the R16 itself were dead. The NEC D78F0536 microcontroller seems to be faulty. No replacements are available and no firmware too. No way to proceed at the moment. Power supply repair: The problem was traced to a shorted ceramic capacitor in the power supply, which resulted in two blown fusible resistors. The process of investigation might be of interest to you. Forum: I have plenty of various used cells salvaged from laptop packs and such. It turned out that it is easy to use 2-cell Li-ion packs in this meter. Such configuration is not perfect, but works fine. Followup: It turned out that three chips were dead in the front panel module: Intel 80C51 micro-controller, HV518PJ VFD driver and 74HC02 quad NOR gate. Replacement parts on DigiKey:The problem was traced to a couple of small surface-mount inductors, which were blown together with a PCB trace. The inductors were replaced, and the trace repaired. The external power supply was tested using an electronic load.The reference worked on the first attempt. The output voltage was monitored for about 46 hours using HP 34401A and Datron 1071. The graphs look great overall, but with some small unexplained glitches. KX reference project page. LTZ1000 data sheet. Discussion: Datron 1071 repair. Fluke 341A repair. EDC 520A repair. Thermometer build. KX Voltage reference: OLED display library. Arduino sketch. Discussion: A longer strip (organized as 3 series 22 parallel LEDs, or 3S22P) was cut to size to fit in place of the CFL bulb (cut to 3S6P). The current limit on the driving module was adjusted to provide the same current as before to each string of LEDs (about 16mA). Brightness adjustment control voltage was shifted and scaled to the desired range using two trim pots. A boost converter 5V to 12V was built on a piece of prototyping board together with the brightness adjustment circuit. DF6113 LED driver datasheet:Since more pins were needed to drive five displays, ATMega164PA was used with the MightyCore library for Arduino IDE to support it. The result is not very good. The displays are not very bright, the brightness differs from display to display, and the viewing angle is quite limited. Suggestions for better displays for a reasonable price are welcome. Display replacement part 1. Arduino MightyCore. TFT ST7735 library. Snap fasteners: It turned out that three chips were dead in the front panel module: Intel 80C51 micro-controller, HV518PJ VFD driver and 74HC02 quad NOR gate. Replacement parts on DigiKey. View cart for details. You can view it on computer, tablet or ” Learn more - opens in a new window or tab This amount is subject to change until you make payment. For additional information, see the Global Shipping Program terms and conditions - opens in a new window or tab This amount is subject to change until you make payment. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. For additional information, see the Global Shipping Program terms and conditions - opens in a new window or tab Learn More - opens in a new window or tab Learn More - opens in a new window or tab Learn More - opens in a new window or tab Learn More - opens in a new window or tab Learn More - opens in a new window or tab The item may have some signs of cosmetic wear, but is fully operational and functions as intended. See the seller’s listing for full details and description of any imperfections. You can view it on computer, tablet or smartphone, easily search the contents, print the section you need at the time ” Contact the seller - opens in a new window or tab and request a shipping method to your location. Please enter a valid postal code. Please enter a number less than or equal to 5. All Rights Reserved. User Agreement, Privacy, Cookies and AdChoice Norton Secured - powered by Verisign. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information. Update your browser for more security, comfort and the best experience for this site. Try Findchips PRO E3614A E3640A INTERCONNECT, Mfr.'s Type E3610A E3611A E3612A E3614A E3615A E3616A E3617A E3632A E3633A E3634A E3640A E3641A E3642A NEW ? E3600-Series Power Supplies Clean programmable power supplies. Be sure to check that it is the user manual to exactly the device that you are looking for. In our database Agilent Technologies Power Supply E3640-90001 it belongs to the category Power Supply. A user manualAgilent Technologies Power Supply E3640-90001 is taken from the manufacturer, a Agilent Technologies company - it is an official document, so if you have any doubts as to its contents, please contact the manufacturer of the device Agilent Technologies Power Supply E3640-90001 directly. You can view the user manualAgilent Technologies Power Supply E3640-90001 directly online or save and store it on your computer.If you have any questions, you can ask them in the form below. Other users viewing this website will have the opportunity to help you solve your probem with Agilent Technologies Power Supply E3640-90001. Remember that you can also share the solution. If you solved the problem yourself, please write the solution to the problem with Agilent Technologies Power Supply E3640-90001 - you will surely help many users by doing so.Ask a question - our users can help you. Benefits of Leasing Supplies DC Voltage and Current to test, design, and troubleshoot electric and electronic circuits. Applications include Burn In, QA, ATE, Research, Design, and Education to name a few. The single output, 120-200 W, GPIB, E3632A-E3634A provide dual range outputs; small, compact size for bench use; low output ripple and noise; as well as built-in measurements and basic programmable features with GPIB and RS232 interface. The Keysight 200W, GPIB, single output E3633A is a high performance supply optimized for manual and basic automated testing; and, with a combination of benchtop capabilities and system features, it is designed to help improve measurement quality and reduce test time.Please share your experience and be the first to review this product!Contact us, we are listening. Your browser may include features that can help translate the text. This solution might also apply to other similar products or applications. Follow the troubleshooting steps below to resolve the error. Instructions can be found in Testing Communication with your Device Using VISA Interactive Control. Check if you need termination characters by referring to your instrument’s user manual. Perform a Serial Loopback Test. This can highlight problems in the serial port, the cable, or the software generating the messages without having to connect to third party hardware.Refer to your device’s user manual if needed. If you experience communication issues with the shipping example, contact NI Support. Make sure you are using the correct command syntax by referring to your instrument’s user manual. Make sure you are configuring the termination character correctly by referring to your instrument’s user manual. Without a termination character, the device may not know the message has finished and does not return a response. For more information about termination characters, refer to Termination Characters in NI-VISA. Refer to your instrument’s user manual to see what is expected. The error may be caused by NI-VISA attempting to read more bytes than are available at the serial port. This tells you how many bytes that command sends back. Applications designed to interface with this type of instrumentation should anticipate this delay. You can search for available instrument drivers on NI IDNET or the manufacturer’s website. All rights reserved. Copyright Agilent Technologies 2000 All Rights Reserved. The combination of benchtop and system features in these power supplies provides versatile solutions for your design and test requirements. The menus are designed to automatically guide you through all parameters required to configure a particular function or operation. 1 Output1 selection key Select the output1 voltage and current to be controlled and monitored on the display. 2 Output2 selection key Select the output2 voltage and current to be controlled and monitored on the display. 3 Low voltage range selection key Selects the low voltage range and allows its full rated output to the output terminals. 4 High voltage range selection key Selects the high voltage range and allows its full rated output to the output terminals. 5 Overvoltage protection key Enables or disables the overvoltage protection function, sets trip voltage level, and clears the overvoltage condition. 6 Display limit key Shows voltage and current limit values on the display and allows the knob adjustment for setting limit values. 7 Resolution selection keys Move the flashing digit to the right or left. Display 2 Press Limit key to show the limit values on the display. 3 Move the blinking digit to the appropriate position using the resolution selection keys and change the blinking digit value to the desired voltage limit Display by turning the control knob. After about 5 seconds, the display will go to output monitoring mode automatically to display the voltage and current at the output. Note All front panel keys and controls can be disabled with remote interface commands. Power supply is in remote interface mode. Shows the low voltage range is selected. Shows the high voltage range is selected. The output1 is selected for front-panel or remote operation. The output2 is selected for front-panel or remote operation. The output1 overvoltage protection function is enabled when the OVP1 annunciator turns on or the overvoltage protection circuit has caused the power supply to shutdown when the annunciator blinks. The output2 overvoltage protection function is enabled when the OVP2 annunciator turns on or the overvoltage protection circuit has caused the power supply to shutdown when the annunciator blinks. The power supply is in calibration mode. The display shows the limit values of voltage and current. Hardware or remote interface command errors are detected and the error bit has not been cleared. The output of the power supply is disabled (See page 56 for more information). The output of the power supply is unregulated (output is neither CV nor CC). The power supply is in constant voltage mode. The power supply is in constant current mode. The output1 and output2 are in track mode. To review the display annunciators, hold down the power supply. Set the GPIB address (see chapter 3). Set the RS-232 baud rate and parity (see chapter 3). 6 8 In This Book Quick Start Chapter 1 helps you get familiar with a few of the power supply s the front panel feature. General Information Chapter 2 contains a general description of your power supply. This chapter also provides instructions for installation of your power supply and the output connections. Front-Panel Operation Chapter 3 describes in detail the use of front-panel keys and how they are used to operate the power supply from the front panel. This chapter also shows how to configure the power supply for the remote interface and gives a brief introduction to the calibration features. Remote Interface Reference Chapter 4 contains reference information to help you program the power supply over the remote interface. This chapter also explains how to program for status reporting. Error Messages Chapter 5 lists the error messages that may appear as you are working with the power supply. Each listing contains information to help you diagnose and solve the problem. Application Programs Chapter 6 contains some remote interface applications to help you develop programs for your application. Tutorial Chapter 7 describes basic operation of linear power supplies and gives specific details on the operation and use of your power supply. Specifications Chapter 8 lists the power supply s specifications. If you have questions relating to the operation of the power supply, call in the United States, or contact your nearest Agilent Technologies Sales Office. If your power supply fails within three years of purchase, Agilent will repair or replace it free of charge. What is an Enable Register. What is a Multiple Logical Output. Does the Power Supply Fail Self-Test. The exercises in this chapter prepare the power supply for use and help you get familiar with some of its front-panel operations. This chapter is intended for both the experienced and the inexperienced user because it calls attention to certain checks that should be made prior to operation. Throughout this chapter the key to be pressed is shown in the left margin. 16 18 Chapter 1 Quick Start Preliminary Checkout 1 Preliminary Checkout The following steps help you verify that the power supply is ready for use. 1 Check the list of supplied items. Verify that you have received the following items with your power supply. If anything is missing, contact your nearest Agilent Technologies Sales Office. One power cord for your location. This User s Guide. Quick Reference Guide. Certificate of Calibration. 2 Connect the power cord and turn on the power supply. The front-panel display will light up briefly while the power supply performs its power-on self-test. The GPIB address is also displayed. To review the poweron display with all annunciators turned on, hold down Limit as you turn on Display the power supply. If the power supply does not turn on properly, see page Perform a complete self-test. The complete self-test performs a more extensive set of tests than those Display performed at power-on. Hold down Limit as you turn on the power supply and hold down the key until you hear a long beep. The self-test will begin when you release the key following the beep. If the self-test fails, see the Service Information for instructions on returning the power supply to Agilent Technologies for service. Note The power supply is shipped from the factory with a power-line cord that has a plug appropriate for your location. Your power supply is equipped with a 3-wire grounding type power cord; the third conductor being the ground. The power supply is grounded only when the power-line cord is plugged into an appropriate receptacle. Do not operate your power supply without adequate cabinet ground connection. 17 19 Chapter 1 Quick Start Output Checkout Output Checkout The following procedures check to ensure that the power supply develops its rated outputs and properly responds to operation from the front panel. For complete performance and verification tests, refer to the Service Information. Note: If an error has been detected during the output checkout procedures, the ERROR annunciator will turn on. Power Voltage Output Checkout The following steps verify basic voltage functions with no load. 1 Turn on the power supply. The annunciator OVP1, OVP2, CV, OUT1, and low voltage range indication annunciator turn on (for example, 8V annunciator turns on for the E3646A model); and the knob is selected for voltage control. The OFF annunciator turns off and the CV annunciator turns on. Notice that the display is in the meter mode. Meter mode means that the display shows the actual output voltage and current. 3 Check that the front-panel voltmeter properly responds to knob control for both low and high voltage range. Turn the knob clockwise or counter clockwise to check that the voltmeter responds to knob control and the ammeter indicates nearly zero. Make sure that the output is disabled. The CV or CC annunciator turns on depending on the resistance of the test lead. Notice that the display is in the meter mode. 4 Adjust the voltage limit value to 1.0 volt. Set the display to the limit mode (the Limit annunciator will be flashing). Adjust the voltage limit to 1.0 volt to assure CC operation. The CC annunciator Display will turn on. To go back to normal mode, press the Limit key again or let the display time out after several seconds. 5 Set the knob to the current control to check that the front-panel ammeter properly responds to knob control.