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    TEXAS INSTRUMENT AC POWER ADAPTER FOR NOTEBOOK SCHEMATIC Search Results

    TEXAS INSTRUMENT AC POWER ADAPTER FOR NOTEBOOK SCHEMATIC Result Highlights (6)

    Part ECAD Model Manufacturer Description Download Buy
    TPD4164F Toshiba Electronic Devices & Storage Corporation Intelligent power device / VBB=600V / Iout=2A/ Surface mount type / HSSOP31 Visit Toshiba Electronic Devices & Storage Corporation
    TPD4164K Toshiba Electronic Devices & Storage Corporation Intelligent power device / VBB=600V / Iout=2A/ Through hole type / HDIP30 Visit Toshiba Electronic Devices & Storage Corporation
    TPD4163K Toshiba Electronic Devices & Storage Corporation Intelligent power device / VBB=600V / Iout=1A/ Through hole type / HDIP30 Visit Toshiba Electronic Devices & Storage Corporation
    TPD4163F Toshiba Electronic Devices & Storage Corporation Intelligent power device / VBB=600V / Iout=1A/ Surface mount type / HSSOP31 Visit Toshiba Electronic Devices & Storage Corporation
    TPD4207F Toshiba Electronic Devices & Storage Corporation Intelligent power device 600V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation
    TPD4204F Toshiba Electronic Devices & Storage Corporation Intelligent power device 600V (High voltage PWM DC brushless motor driver) Visit Toshiba Electronic Devices & Storage Corporation

    TEXAS INSTRUMENT AC POWER ADAPTER FOR NOTEBOOK SCHEMATIC Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    piezoelectric sensors by texas instrument

    Abstract: Sawtek filter An audio circuit collection, Part 2 15-V 2N2907 2N2907A LM393 SN74AHC1G00 TL431 TL431C
    Text: Texas Instruments Incorporated Analog and Mixed-Signal Products Analog Applications Journal First Quarter, 2003 Copyright 2003 Texas Instruments Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		PDF A010203 SLYT045 piezoelectric sensors by texas instrument Sawtek filter An audio circuit collection, Part 2 15-V 2N2907 2N2907A LM393 SN74AHC1G00 TL431 TL431C

    DC MOTOR CONTROL THROUGH PWM USING IC 555 48v 1a

    Abstract: 100W car power amplifier 17 pins dc 12 volts Multavi 10 TLC5940 spice 4Q 2006 Analog Applications Journal 2Q 2004 Analog Applications Journal multavi BSN254 bsn254 equivalent garmin
    Text: Texas Instruments Incorporated High-Performance Analog Products Analog Applications Journal Second Quarter, 2006 Copyright 2006 Texas Instruments Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		PDF B120905 SLYT236 DC MOTOR CONTROL THROUGH PWM USING IC 555 48v 1a 100W car power amplifier 17 pins dc 12 volts Multavi 10 TLC5940 spice 4Q 2006 Analog Applications Journal 2Q 2004 Analog Applications Journal multavi BSN254 bsn254 equivalent garmin

    ph 4148 zener diode detail

    Abstract: sk100 TRANSISTOR REPLACEMENT equivalent transistor sl100 sl100 npn transistor sonar block diagram air conditioner schematic diagram SL100 transistor pin configuration SL100 npn transistor characteristics Cell Phone Jammers project kit SL100 pin configuration
    Text: ZiLOG Design Concepts Z8 Application Ideas AN004901-0900 ZILOG WORLDWIDE HEADQUARTERS ¥ 910 E. HAMILTON AVENUE ¥ CAMPBELL, CA 95008 TELEPHONE: 408.558.8500 ¥ FAX: 408.558.8300 ¥ WWW.ZILOG.COM ZiLOG Design Concepts Z8 Application Ideas This publication is subject to replacement by a later edition. To determine whether a later edition


    Original     		PDF AN004901-0900 Z86E31 Z86E40 Z86E83 Z8E001 Z8PE001 ph 4148 zener diode detail sk100 TRANSISTOR REPLACEMENT equivalent transistor sl100 sl100 npn transistor sonar block diagram air conditioner schematic diagram SL100 transistor pin configuration SL100 npn transistor characteristics Cell Phone Jammers project kit SL100 pin configuration

    ccfl inverter schematic tl494

    Abstract: uc3854 Application Note kw UC3843 application note buck 12v 5a charger using uc3842 tl494 buck dc/dc converter tl494 application notes ccfl inverter tl494 PWM AC 50HZ tl494 TL3843 flyback schematic SG3524 application notes speed control
    Text: R E A L W O R L D S I G N A L P TM R O C E S S I N G Power Management Selection Guide 3Q 2003 Table of Contents and Introduction Typical Power Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Plug-In Power Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5


    Original     		PDF

    ecg semiconductors master replacement guide

    Abstract: BLOCK DIAGRAM FOR LPG GAS DETECTION digital blood glucose monitoring circuit diagram 12v dc to 200v ac inverter 100w circuit diagrams schematic diagram 48v bldc motor speed controller ultrasound piezoelectric design probe transducer finger pulse oximeter block diagram of ct scanner TRANSISTOR REPLACEMENT ECG ECG HEART BEAT SENSOR
    Text: TM Technology for Innovators Medical Applications Guide Amplifiers, Clocks, Data Converters, Digital Signal Processors, Digital Temperature Sensors, Interface, Logic, Microcontrollers, Power Management, RF ICs 2Q 2007 ➔ Inside Consumer and Portable Medical 3


    Original     		PDF MSP430 SLYB108B ecg semiconductors master replacement guide BLOCK DIAGRAM FOR LPG GAS DETECTION digital blood glucose monitoring circuit diagram 12v dc to 200v ac inverter 100w circuit diagrams schematic diagram 48v bldc motor speed controller ultrasound piezoelectric design probe transducer finger pulse oximeter block diagram of ct scanner TRANSISTOR REPLACEMENT ECG ECG HEART BEAT SENSOR

    Fliege notch filter

    Abstract: 180NM cmos process parameters Fliege 1Q 2006 Analog Applications Journal Low-Pass Fliege Filter fault detect "pilot tone" broadband network 3M Philippines ADS5424 ADS5500 TPS79918
    Text: Texas Instruments Incorporated High-Performance Analog Products Analog Applications Journal First Quarter, 2006 Copyright 2006 Texas Instruments Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		PDF A120905 SLYT230 Fliege notch filter 180NM cmos process parameters Fliege 1Q 2006 Analog Applications Journal Low-Pass Fliege Filter fault detect "pilot tone" broadband network 3M Philippines ADS5424 ADS5500 TPS79918

    ERICSSON RBS 6000

    Abstract: Ericsson RBS 6102 Ericsson Installation guide for RBS 6000 RBS 2216 ericsson maintenance RBS 2216 ericsson user manual Ericsson RBS 6102 hardware reference manual siemens mid-96 RBS ericsson user manual RBS 6102 Rack rbs ericsson 6102 rbs 6102
    Text: TMS320 Third-Party Support Reference Guide IMPORTANT NOTICE Description in this publication of a third-party product or service does not constitute an endorsement of it by Texas Instruments. Further, TI does not accept responsibility for any representations


    Original     		PDF TMS320 TMS320 ERICSSON RBS 6000 Ericsson RBS 6102 Ericsson Installation guide for RBS 6000 RBS 2216 ericsson maintenance RBS 2216 ericsson user manual Ericsson RBS 6102 hardware reference manual siemens mid-96 RBS ericsson user manual RBS 6102 Rack rbs ericsson 6102 rbs 6102

    BQ24153

    Abstract: schematic diagram TCON lcd samsung tps51631 LG 21 color tv Circuit Diagram schematics ultraslim UCD90120 TPS65175 tps65642 LM2740 INA230 QFN 10 2x2 footprint
    Text: Power Management Guide Power Management Guide 2014 2014 www.ti.com/power www.ti.com/power Power Management Guide Introduction and Contents Texas Instruments TI offers complete power solu­tions with a full line of highperformance products. These products, which range from standard linear


    Original     		PDF

    china nobel tv diagram

    Abstract: 4kw sine wave inverter circuit diagram ivory 21 colour television schematics PLC projects smart home DS1102 DSP Controller Board intel 945 motherboard schematic diagram sdk audio amplifier 4141 ecu repair TMS320C40 dallas semiconductor IC DS 1242
    Text: T H E W O R L D L E A D E R I N D S P S O L U T I O N S TI DSP THIRD-PARTY DEVELOPMENT SUPPORT GUIDE TMS320 Third-Party Development Support Guide IMPORTANT NOTICE Important Notice Texas Instruments TI reserves the right to make changes to its products or to discontinue


    Original     		PDF TMS320 CEX-32386-0 china nobel tv diagram 4kw sine wave inverter circuit diagram ivory 21 colour television schematics PLC projects smart home DS1102 DSP Controller Board intel 945 motherboard schematic diagram sdk audio amplifier 4141 ecu repair TMS320C40 dallas semiconductor IC DS 1242

    mc34063 solar charger

    Abstract: 500MHz Frequency Counter Using MECL MC34063 Boost MOSFET Motorola AN220 FETs in Chopper and Analog 12v to 1000v inverters circuit diagrams MC1466 mc34063 step up with mosfet eb407 motorola AN485 MC34063 step down application notes
    Text: SCG Application Notes Guide Application Notes, Article Reprints, Engineering Bulletins BR1522/D Rev. 0, 5/1999 Mfax is a trademark of Motorola, Inc. Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation


    Original     		PDF BR1522/D mc34063 solar charger 500MHz Frequency Counter Using MECL MC34063 Boost MOSFET Motorola AN220 FETs in Chopper and Analog 12v to 1000v inverters circuit diagrams MC1466 mc34063 step up with mosfet eb407 motorola AN485 MC34063 step down application notes

    1Q 2008 Analog Applications Journal

    Abstract: 2kW flyback PFC LLC resonant converter 1kw 1Q 2008 Issue Analog Applications Journal MH 7404 offline switcher thermopile array RX-2 -G 27Mhz thermopile mexico TPS74x01
    Text: Texas Instruments Incorporated High-Performance Analog Products Analog Applications Journal Third Quarter, 2009 Copyright 2009 Texas Instruments Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications, enhancements,


    Original     		PDF SLYT337 1Q 2008 Analog Applications Journal 2kW flyback PFC LLC resonant converter 1kw 1Q 2008 Issue Analog Applications Journal MH 7404 offline switcher thermopile array RX-2 -G 27Mhz thermopile mexico TPS74x01

    KC4T-125M-3M-50-69A

    Abstract: 100w inverter PURE SINE WAVE schematic diagram PURE SINE WAVE inverter PIC MOSFET Transformer 1Q 2005 Issue Analog Applications Journal 1Q 2005 Analog Applications Journal "PWM Power Supplies" LITERATURE SURVEY "Logarithmic Amplifiers" diode 3FV 60 31 ADS1216 ADS5500
    Text: Texas Instruments Incorporated Analog and Mixed-Signal Products Analog Applications Journal First Quarter, 2005 Copyright 2005 Texas Instruments Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		PDF A011905 SLYT072 KC4T-125M-3M-50-69A 100w inverter PURE SINE WAVE schematic diagram PURE SINE WAVE inverter PIC MOSFET Transformer 1Q 2005 Issue Analog Applications Journal 1Q 2005 Analog Applications Journal "PWM Power Supplies" LITERATURE SURVEY "Logarithmic Amplifiers" diode 3FV 60 31 ADS1216 ADS5500

    mc34063 step down with mosfet

    Abstract: abstract of battery charging circuit using scr 1000w class d circuit diagram schematics mc34063 h-bridge igbt pwm schematics circuit MC1466 MC34063 Boost MOSFET 500MHz Frequency Counter Using MECL 10 amp 12 volt solar charger circuits mc34063 solar charger h-bridge igbt pwm schematics circuit
    Text: BR1522/D Rev. 1, Oct-1999 Application Notes, Article Reprints and Engineering Bulletins ON Semiconductor Formerly a Division of Motorola Reference Materials Selector Guide Application Notes, Article Reprints and Engineering Bulletins Reference Materials Selector Guide


    Original     		PDF BR1522/D Oct-1999 r14153 mc34063 step down with mosfet abstract of battery charging circuit using scr 1000w class d circuit diagram schematics mc34063 h-bridge igbt pwm schematics circuit MC1466 MC34063 Boost MOSFET 500MHz Frequency Counter Using MECL 10 amp 12 volt solar charger circuits mc34063 solar charger h-bridge igbt pwm schematics circuit

    ic vertical la 78141

    Abstract: LA 78141 VERTICAL LA 78141 la 78141 equivalent IC LA 78141 data sheet la 78141 LA 78141 tv application circuit LA 78141 data IC LA 78141 schematic prepaid energy meter block diagram
    Text: TMS320 DSP Development Support Reference Guide Literature Number: SPRU011F May 1998 Printed on Recycled Paper IMPORTANT NOTICE Texas Instruments TI reserves the right to make changes to its products or to discontinue any semiconductor product or service without notice, and advises its customers to obtain the latest


    Original     		PDF TMS320 SPRU011F Index-12 XDS510 TMS320C40 ic vertical la 78141 LA 78141 VERTICAL LA 78141 la 78141 equivalent IC LA 78141 data sheet la 78141 LA 78141 tv application circuit LA 78141 data IC LA 78141 schematic prepaid energy meter block diagram

    250 MKT 0.1K

    Abstract: GSM home automation block diagram Step Attenuator Volume Control Pot Log 100K prepaid energy meter block diagram mkt hq 371 ph STR 6735 STR w 6656 data sheet transistor de audio fp 1016 VHDL code for Winograd DFT algorithm Prolific PM 8000 series
    Text: TMS320 DSP Development Support Reference Guide Literature Number: SPRU011E January 1997 Printed on Recycled Paper IMPORTANT NOTICE Texas Instruments Incorporated TI reserves the right to make changes to its products or to discontinue any semiconductor product or service without notice, and advises its customers to


    Original     		PDF TMS320 SPRU011E XDS510 TMS320C40 250 MKT 0.1K GSM home automation block diagram Step Attenuator Volume Control Pot Log 100K prepaid energy meter block diagram mkt hq 371 ph STR 6735 STR w 6656 data sheet transistor de audio fp 1016 VHDL code for Winograd DFT algorithm Prolific PM 8000 series

    SPICE model for UC3844

    Abstract: UC3843 spice model tl494 spice model EB407 Basic Halogen Converter MTP2N10 180V - 240V igbt dimmer UC3845 pspice model mosfet cross reference spice model moc3061 uc3843 flyback supply opto-coupler
    Text: BR1522/D Rev. 2, Aug-2000 Technical Literature Selector Guide and Cross Reference ON Semiconductor A Listing and Cross Reference of Available Technical Literature from ON Semiconductor ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC SCILLC . SCILLC reserves the right to make changes without further


    Original     		PDF BR1522/D Aug-2000 r14525 BR1522/D SPICE model for UC3844 UC3843 spice model tl494 spice model EB407 Basic Halogen Converter MTP2N10 180V - 240V igbt dimmer UC3845 pspice model mosfet cross reference spice model moc3061 uc3843 flyback supply opto-coupler

    simple fm transmitter mini project report for engineering students

    Abstract: TMS320C40 VHDL code for Winograd DFT algorithm TMS 57002 8 bit alu in vhdl mini project report RF transmitter and Receiver circuit for robot con SPRA017 mini project of fsk generator using ic 555 schematic diagram vga to rca DVD LASER POINTER REPAIRING
    Text: TMS320 DSP Development Support Reference Guide 1997 Digital Signal Processing Solutions Printed in U.S.A., January 1997 SPRU011E Reference Guide TMS320 DSP Development Support 1997 TMS320 DSP Development Support Reference Guide Literature Number: SPRU011E


    Original     		PDF TMS320 SPRU011E simple fm transmitter mini project report for engineering students TMS320C40 VHDL code for Winograd DFT algorithm TMS 57002 8 bit alu in vhdl mini project report RF transmitter and Receiver circuit for robot con SPRA017 mini project of fsk generator using ic 555 schematic diagram vga to rca DVD LASER POINTER REPAIRING

    simple fm transmitter mini project report for engineering students

    Abstract: repair plc analog logo siemens VHDL code for Winograd DFT algorithm TMS 57002 advantages Mobile Controlled Robot using DTMF TMS320C40 DVD LASER POINTER REPAIRING 8 bit alu in vhdl mini project report TETRA ACELP automatic car washing by using delta plc
    Text: TMS320 DSP Development Support Reference Guide 1997 Digital Signal Processing Solutions Printed in U.S.A., January 1997 SPRU011E Reference Guide TMS320 DSP Development Support 1997 TMS320 DSP Development Support Reference Guide Literature Number: SPRU011E


    Original     		PDF TMS320 SPRU011E simple fm transmitter mini project report for engineering students repair plc analog logo siemens VHDL code for Winograd DFT algorithm TMS 57002 advantages Mobile Controlled Robot using DTMF TMS320C40 DVD LASER POINTER REPAIRING 8 bit alu in vhdl mini project report TETRA ACELP automatic car washing by using delta plc

    iso 11783 y adapter

    Abstract: design of 4-20mA transmitter for bridge type transducer using op-amp instrumentation amplifier temperature sensor PIC ads1112 TPIC6x595 glucose monitor that uses 8051 microcontroller tms320c2000 Emerging Display Technologies spice ads1100 design of 4-20mA transmitter for bridge type transducer using op-amp ADS1218
    Text: R E A L W O R L D S I G N A L P R O C E S S I N G SIGNAL ACQUISITION, PROCESSING AND CONTROL FOR I NDUSTRIAL A PPLICATIONS Amplifiers, Data Converters, DSPs, Interface, Microcontrollers, Power Controllers, Power Management 4Q 2003 INSIDE Amplifiers Data Converters


    Original     		PDF B010203 SLAB039A iso 11783 y adapter design of 4-20mA transmitter for bridge type transducer using op-amp instrumentation amplifier temperature sensor PIC ads1112 TPIC6x595 glucose monitor that uses 8051 microcontroller tms320c2000 Emerging Display Technologies spice ads1100 design of 4-20mA transmitter for bridge type transducer using op-amp ADS1218

    FETAL HEART RATE MONITOR

    Abstract: TMS320C6713 DSK image processing kit diagram Blood Oxygen Pulse Oximetry experiments kit USB docking station F28335 ECG NTE semiconductor manual msp430 DC motor control PID electronic stethoscope circuit diagram MSP430F2013 touchpad ecg semiconductor replacement guide TMS320f2812 pwm eQEP code c
    Text: Embedded Processing Selection Guide ii  Table of Contents Introduction to TI Embedded Processing Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Processor Find and Fit Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2


    Original     		PDF TMS320C5000TM TMS320C55xTM TMS320C54xTM FETAL HEART RATE MONITOR TMS320C6713 DSK image processing kit diagram Blood Oxygen Pulse Oximetry experiments kit USB docking station F28335 ECG NTE semiconductor manual msp430 DC motor control PID electronic stethoscope circuit diagram MSP430F2013 touchpad ecg semiconductor replacement guide TMS320f2812 pwm eQEP code c

    TMdSdock28335

    Abstract: SPRC229 circuit diagram wireless spy camera PowerVR SGX Graphics on beagleboard MSP430FG4xxx electronic stethoscope circuit diagram omap1710 PIC microcontroller interfacing circuit pulse oximeter ECG NTE semiconductor manual omap3530 GPMC NORFLASH
    Text: Embedded Processing Selection Guide ii  Table of Contents Introduction to TI Embedded Processing Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Processor Find and Fit Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2


    Original     		PDF TMS320C5000TM TMS320C55xTM TMS320C54xTM TMdSdock28335 SPRC229 circuit diagram wireless spy camera PowerVR SGX Graphics on beagleboard MSP430FG4xxx electronic stethoscope circuit diagram omap1710 PIC microcontroller interfacing circuit pulse oximeter ECG NTE semiconductor manual omap3530 GPMC NORFLASH

    schematic diagram 48v dc convertor tl3845

    Abstract: sg3524 spice model for pspice schematic diagram 48v ac regulator uc3842 schematic diagram inverter 12v to 24v 30a audio Amp. mosfet 1000 watt 24v dc motor speed control lm324 mini-LVDS and TFT-LCD Timing Controller sg3524 spice model UC1825 spice 500 watt power circuit diagram uc3825
    Text: Selection Guide EIGHTH EDITION Analog/Mixed-Signal Products Designer’s Master Selection Guide August 2002 1996, 1997, 1999, 2000, 2001, 2002 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections, modifications,


    Original     		PDF A060502 schematic diagram 48v dc convertor tl3845 sg3524 spice model for pspice schematic diagram 48v ac regulator uc3842 schematic diagram inverter 12v to 24v 30a audio Amp. mosfet 1000 watt 24v dc motor speed control lm324 mini-LVDS and TFT-LCD Timing Controller sg3524 spice model UC1825 spice 500 watt power circuit diagram uc3825

    marking code E5 SMD ic sot23-5

    Abstract: Satellite DISEQC SWITCH 4x1 acer laptop motherboard circuit diagram acer laptop battery pinout nec tokin oe 128 schematic LG TV lcd backlight inverter ACER laptop schematic diagram HP COMPAQ MOTHERBOARD CIRCUIT diagram schematic acer lcd backlight inverter APC 5kv UPS CIRCUIT DIAGRAM
    Text: We hope that you will find this CD-ROM a helpful tool for selecting the best Maxim IC for your design. To the left, please find a menu of the documents contained on this CD-ROM. Click on each item for a more detailed list. All of the indexes, tables, and trees on this CD-ROM contain links to product data sheets. After you have viewed a


    Original     		PDF MAX038 MAX038EVKIT 2001elec marking code E5 SMD ic sot23-5 Satellite DISEQC SWITCH 4x1 acer laptop motherboard circuit diagram acer laptop battery pinout nec tokin oe 128 schematic LG TV lcd backlight inverter ACER laptop schematic diagram HP COMPAQ MOTHERBOARD CIRCUIT diagram schematic acer lcd backlight inverter APC 5kv UPS CIRCUIT DIAGRAM

    THERMISTORS nsp 037

    Abstract: EPSON stepping motor em 402 stepping motor EPSON EM 199 National SG 250w audio amplifier circuit diagraM testing motherboards using multi meter JRC 2068 dd LITTON Shaft encoder stepping motor EPSON EM - 400 945 MOTHERBOARD CIRCUIT diagram HP compaq 615 stepping motor EPSON EM
    Text: Special Edition: Data Acquisition & Rack-Mount PCs \ \ A P C S y s t e m s H a n d b o o k x ; for Scientists and Engineers DSO Series Digital Oscillo! and Data Acquisition Card • Rack-Mount PCs • Data Acquisition • Industrial Computers • Communications


    OCR Scan     		PDF PC/104 IEEE-488/G THERMISTORS nsp 037 EPSON stepping motor em 402 stepping motor EPSON EM 199 National SG 250w audio amplifier circuit diagraM testing motherboards using multi meter JRC 2068 dd LITTON Shaft encoder stepping motor EPSON EM - 400 945 MOTHERBOARD CIRCUIT diagram HP compaq 615 stepping motor EPSON EM