BenQ DC C850 Product Service Manual
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BenQ DC C850 Product Service Manual

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Product Service Manual – Level 2
Service Manual for BenQ:
DC C850
P/N: 9H.T8867.9AX
Applicable for All Regions
Notice:
- For RO to input specific "Legal Requirement" in specific NS regarding to responsibility and liability statements.
- Please check BenQ's eSupport web site, http://esupport.benq.com, to ensure that you have the most recent version of
this manual.
Version: 001a
Date:2008/3/31
First Edition (March, 2008)
© Copyright BenQ Corporation 2008. All Right Reserved.

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Summary of Contents for BenQ DC C850

  • Page 1 Notice: - For RO to input specific “Legal Requirement” in specific NS regarding to responsibility and liability statements. - Please check BenQ’s eSupport web site, http://esupport.benq.com, to ensure that you have the most recent version of this manual. First Edition (March, 2008)

  • Page 2: Table Of Contents

    Content Index Abbreviations & Acronyms………………………………………………………...…..2 About This Manual……………………………………………………………………..3 Trademark… ……………………………………..…………………………………...3 Introduction……………………………………………………………………………...4 RoHS (2002/95/EC) Requirements…………………………….……………………..4 Safety Notice………………………………………………….………………………4 General Descriptions………………………………………….………………………4 Related Service Information…………………………………….…………………..4 Product Overview………………………………………………..………………..……..4 Level 1 Specification & Packing………………………………...………………………4 Specification…………………………………………………………………………..5 Packing ……………………………………………………………………………..6 Level 2 Disassembly / Assembly Flow & Calibration Procedure.……………………...10 Disassembly / Assembly Flow………………………………………..……….……..10 Exploded View………………………………………………..…...……………..…..18 Calibration Procedure …………………………………………………………….….24...

  • Page 3: About This Manual

    About This Manual This manual contains information about maintenance and service of BenQ products. Use this manual to perform diagnostics tests, troubleshoot problems, and align the BenQ product. Trademark The following terms are trademarks of BenQ Corporation: BenQ Importance Only trained service personnel who are familiar with this BenQ Product shall perform service or maintenance to it.

  • Page 4: Introduction

    This Service Manual contains general information. There are 3 levels of service: Level 1: Cosmetic / Appearance / Alignment Service Level 2: Circuit Board or Standard Parts Replacement Related Service Information BenQ Global Service Website: http://support.benq.com/front/benqmain.asp eSupport Website: http://bqpgsr.benq.corp.com/customize/asplogin.asp Product Overview...

  • Page 5: Specification

    Specifications Sensor 8M Pixels CCD, Size: 1/2.5 inch Zoom Optical: 3X / Digital: 4X f = 6.2 (W) ~ 18.6 (T) mm ; Lens F = 2.8(W) ~ 5.2(T) Normal: 80cm ~ Infinity Focus Range Macro: 15cm (W) / 40cm (T) ~ 1M 2.7“...
  • Page 6 1.Front (Front shell printing: Digital Camera DC DC C850) 2.Back (LCD with protective film: VG0692533620191*1EA) 3. Top 4. Camera sides Printing: DC C850 8.0 MEGA PIXELS Printing: DC C850 8 0 MEGA PIXELS 8.0 MEGA PIXELS 5.Bottom safety regulation label (VG0692104650090) 6.POP(VG0692134020191)
  • Page 7 7. Warranty sticker (VG0692131985090) 8. Camera bag (VG0692173070090) Screw must be covered completely and smoothened by hand. 9. Bag (Pearl bag:VG0692501980090) 10. Color box (VG0692414650090) 12. SN label (VG069213ZBC0090) 11. Separtator (VG0692433640092) Address label (VG069213ZBC9091) 13. Battery (VG0376210800003) 14.USB cable (VR0592913530000) Wrist band (VG0692183240091) AV cable (VR0592944070000) Battery...
  • Page 8 15.CD (VG0356310071200) 16. Quick guide (VG0692234630190) Registration card (VG0692313070190) Printing: DC C750/C850 17.Spanish warranty card (VG0692313070490) 18. Warranty card (VG0692313070391) 19. Accessory 20. Accessory in PE bag (VG069250Z200002) UM back sealed with transparent tape 21. USB cable&AV cable&wrist band&battery&camera bag 22.
  • Page 9 23. Separator (VG0692434210090) 24. User manual in color box positon 25. Color box seal label (VG0692131332090) 26. 2 yr warranty label (VG0692131431090) 28. Seal label (VG069213ZBC4090) 27. Color box entering carton (VG0692443070092) 此圖為代用 Seal label on top and bottom 29. Outer carton label Position 30.

  • Page 10: Level 2 Disassembly / Assembly Flow & Calibration Procedure

    Level 2 Disassembly / Assembly Flow & Calibration Procedure Disassembly /Assembly Caution : 1. Prevent cosmetic issue, please clean the table when disassemble. 2. Wear anti-static bracelet for ESD. 1. Remove the front & back cover. 1-a. Unscrew the screws of front and back cover...
  • Page 11 1-b. Remove the back cover 1-c. Remove the front cover...
  • Page 12 2. Disassemble the main body of camera Noted: Discharge the capacitor of flash board in advance before disassembling it to avoid any damage. Discharger...
  • Page 13 2-a. Disassemble LCD panel Disassemble LCD panel from 6 joints of metal plate as below: 2-b. Remove the black mylar and loose FPC cable.
  • Page 14 2-c. Disassemble Strobe (flash) board Remove mylar Unscrew the screws...
  • Page 15 Unsolder the connection of main board and strobe board. 3. Unsolder the battery spring. 2-d. Disassemble M/B 1. Unscrew the screws 2. Clean the solder of CCD pin. 4. Loose the FPC cable...
  • Page 16 2-e. Disassemble the Lens assembly and battery cover. Unscrew the screws...

  • Page 17: Exploded View

    Rear Cover Front Cover Strobe Board Mainboard LCD Panel Lens Assembly Battery Cover/Frame Exploded View...

  • Page 24: Calibration Procedure

    This Service BOM is subject to change. Please check it on eSupport and SPO system before service parts order release Calibration Procedure A. How to check FW version? Press [Tele + OK + Playback] to power on 02. Check FW version on the upper right corner B.
  • Page 25 2. Ensure the cosmetic of camera is clean and without any scratch. 3. Insert the special cable (F/W programming cable) into the camera and PC separately and make sure the current is less than 0.01A. 4. Press “Power” button of camera (Fig. 2) to power on and press “ISP” button to update F/W. 5.
  • Page 26 Caution: 1. Voltage setting: 3.0±0.1V. 2. F/W programming version: FRM[2.7.2.1] D. Auto Calibration(OB, WB/AGC、Meshut26、Meshut 80)& Focus Calibration 1. Insert the dummy battery into the camera and press “Playback, Tele and Set” button (Fig. 4) to access the auto test mode. 2.
  • Page 27 FW version Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 10...
  • Page 28 Fig. 11 Fig. 12 Fig. 13 Fig. 14 Caution: 1. Voltage setting: 3.0+/-0.1V 2. Light source box brightness: K=1.3 LV=10.0±0.1(Color temperature：5500K)& LV=12.0±0.1& LV=14.0±0.1), LV value is based on the BM3000 measurement data. 3. Brightness: Center: 250±30CD/M2﹔Peripheral : 300±30CD/M2.
  • Page 29 E. Flash WB & Light/Slow Calibration 1. Put the camera on the fixture and press “Tele+Set+Playback” to access the test mode 2. The on screen display shows “Flash WB” message (Fig. 15). Shoot the subject which is located 2 M distance in low-light environment.
  • Page 30 Fig. 17 Fig. 18 F. Dark Dead Pixel Calibration & Image Check 1. Put the camera on the fixture and press “Tele+Set+Playback” to access the test mode 2. The on screen display shows the “DARK DPC” message (Fig. 19). Shoot the white paper in bright light environment. Tap “OK”...
  • Page 31 Power Playback Fig. 21 Fig. 22 Fig. 23 Caution: 1. Voltage setting: 3.0+/-0.1V 2. Light source box brightness: Center: 250±30CD/M2﹔Peripheral : 300±30CD/M2.

  • Page 32: Trouble-Shooting Guide

    Trouble Shooting Guide Preparation: 1. The necessary tools such as screwdriver, tweezers, iron solder, power supply, discharger and so on. 2. To wear anti-static wristband to prevent from components short. 3. Discharge the capacitor of strobe board firstly to avoid short. A.
  • Page 33 B. Display abnormal 1. LCD display abnormal 01. Check the connection between J2 of M/B and LCD-FPC. 02. Check the function for LCD and U1 03. Check the U12 output is normal or not. 2. Button abnormal 01. Check the peripheral components of U1 3.
  • Page 34 C. Flash abnormal 1. Can’t charged 01. Check the soldering between ST/B and M/B. 02. Check the soldering of U1, T1 and peripheral components. . 2. Still charge when switch to strobe mode 01. Check the function and soldering of U1, R5 and R4 of ST/B. 02.
  • Page 35 D. Other Defect: 01. No sound when press the key. Make sure the setting is correct. ( enable ) Make sure the function of speaker and BGA with good soldering. III. Make sure the peripheral components of BGA are in good condition. 02.

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