CyberPower BRICs Series Service Manual
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CyberPower BRICs Series Service Manual

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BRICs Series
Uninterruptible Power Systems
BRICs Series
BR 450E/650E/850E
Service Manual
Date
Version
Remark
2008/6/10
1.0
English Version
6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821
Copyright ©2006 CyberPower Systems, Inc. All rights reserved.
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  • Page 1 BRICs Series Uninterruptible Power Systems BRICs Series BR 450E/650E/850E Service Manual Date Version Remark 2008/6/10 English Version 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 2: Table Of Contents

    5.3 Buzzer Circuit ..........................16 5.4 Inverter Circuit ..........................17 5.5 USB Sensing Circuit ........................17 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.
  • Page 3 5.12 Output Voltage Sensing Circuit ....................21 5.13 AC Input / Output Main Circuit ....................22 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.
  • Page 4 Figure 20: Output Sensing Circuit ......................21 Figure 21: AC Input / Output Main Circuit .................... 22 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 5: Introduction

    BRICs Series 1 INTRODUCTION The BRICs Series UPS can supply clean and stable power to protect your equipment. The included ® PowerPanel Personal Edition management software showcases the feature rich abilities of this UPS such as input/output power voltage readings, self-diagnostics, scheduled shutdown, and approximate battery back-up time readings.

  • Page 6: Product Outlook

    This port allows connection and communication from the USB port on the USB Port to PC computer to the UPS unit. 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 7: Figure 2: Product Outlook

    Put external AA/AAA batteries into the battery Battery Charger charger for charge. (AA/AAA Batteries NOT included) 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 8: Principles Of Operation

    Fuse Extemal Surge 5Vdc/1A Output Battery Charger Supperessor (USB Port) Battery Charger Figure 4: Normal Mode 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 9: Boost Mode

    Extemal Surge 5Vdc/1A Output Battery Charger Supperessor (USB Port) Battery Charger Figure 6: Battery Mode (INV) 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 10: Repair

    • Disconnect battery red and black wires. Turn the power on to discharge remaining electricity. Turn the power off. Remove battery wires 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.
  • Page 11 • Remove the screws and bottom case to repair. Remove screws • PCB main board as shown below 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 12: Check Mosfet, Transistor, And Diode

    Measured Location Expected Reading Remark R8,R9,R11,R14for BR 450E R8,R9,R11,R14 R8,R9,R11,R14, 2KOhm R7,R10,R12,R13 R7,R10,R12,R13 for BR 650E/850E 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 13: Turn On The Unit With Dc Power Supply

    • Check the waveform of UPS output. It should be square wave. Figure 7: Square Wave 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 14: Connect Ups To Utility Power

    Check if the computer restarts due to the shift between battery and utility mode. • Test completed. UPS can function normally. 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 15: Schematic

    BRICs Series 5 SCHEMATIC 5.1 Charger Circuit Figure 9: Charger Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 16: Transformer Flux Continue Circuit

    5.2 Transformer Flux Continue Circuit Transformer Flux Continue Figure 10: Circuit 5.3 Buzzer Circuit Figure 11: Buzzer Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 17: Inverter Circuit

    5.4 Inverter Circuit Figure 12: Inverter Circuit 5.5 USB Sensing Circuit Sensing Figure 13: USB Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 18: Starting & System Power Circuit

    BRICs Series 5.6 Starting & System Power Circuit Figure 14: Starting & System Power Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 19: Utility Power Sensing Circuit

    5.7 Utility Power Sensing Circuit Figure 15: Utility Sensing Circuit 5.8 USB Communication Circuit Figure 16: USB Communication Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 20: Overload Protection Sensing Circuit

    5.9 Overload Protection Sensing Circuit Figure 17: Overload Protection Sensing Circuit 5.10 MCU Circuit Figure 18: MCU Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 21: Lcd Circuit

    5.11 LCD Circuit Figure 19: LCD Circuit 5.12 Output Voltage Sensing Circuit Output Voltage Sensing Figure 20: Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

  • Page 22: Ac Input/Output Main Circuit

    BRICs Series 5.13 AC Input/output Main Circuit Figure 21: AC Input / Output Circuit 6F, NO. 32, Sec. 1, Chenggong Rd, Taipei, Taiwan 115, Website: www.cyberpowersystems.com TEL: 886-2-26518699 FAX: 886-2-26516821 Copyright ©2006 CyberPower Systems, Inc. All rights reserved.

This manual is also suitable for:

Br 450eBr 650eBr 850e

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