BenQ MP620C - XGA DLP Projector Manual de servicio

Busca en linea o descarga Manual de servicio para Proyectores BenQ MP620C - XGA DLP Projector. BenQ MP620C - XGA DLP Projector Service manual Manual de usuario

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 89
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 0
DLP PROJECTOR
PB8250
SERVICE MANUAL
CONTENT
Chapter 1: Engineering Specifications.................................................................................................1
Appendix A Optical Measurement Procedure..............................................................................6
Chapter 2: Spare Parts List.................................................................................................................15
Chapter 3: Product description and operation....................................................................................17
Shipping Contents......................................................................................................................17
Projector Description .................................................................................................................18
Remote Control Description ......................................................................................................21
Installation..................................................................................................................................24
Operation....................................................................................................................................30
Packing Description...................................................................................................................47
Appearance Description.............................................................................................................52
Lamp Replacement ....................................................................................................................55
Shutdown ...................................................................................................................................60
Shutdown ...................................................................................................................................60
Chapter 4: Circuit Operation Theory .................................................................................................61
Chapter 4: Circuit Operation Theory .................................................................................................61
Chapter 5: Alignment Procedure........................................................................................................69
Chapter 6: Trouble Shooting..............................................................................................................73
Chapter 7: Schematics drawing..........................................................................................................83
Vista de pagina 0
1 2 3 4 5 6 ... 88 89

Indice de contenidos

Pagina 1 - SERVICE MANUAL

DLP PROJECTOR PB8250 SERVICE MANUAL CONTENT Chapter 1: Engineering Specifications...

Pagina 2

center of the screen that is entirely the measured color under default brightness and contrast settings. A14. COLOR UNIFORMITY Color Uniformity is

Pagina 3

Step 2: Check specified screen sizes and zoom positions Step 3: Use Chart1 to measure Lateral Color for whole screen with Pattern 5 and record the

Pagina 8

Chapter 2: Spare Parts List PB8250 Spare Parts List Item No. Sales Location Notes 99.J8177.B81 PB8250 99.J8177.B8K Korea PB8250 99.J8177.B8T Ta

Pagina 9

29 56.26J95.001 REMOTE PB8250 FORWARD 30 60.J8115.001 ASSY POWER+BRIDGE BD PB8250 31 60.J9418.001 ASSY SUB U/C PB8240 32 60.J9420.0

Pagina 10

Chapter 3: Product description and operation Shipping Contents The projector is shipped with the cables required for connection to a PC and to video e

Pagina 11

Optional Accessories 1. Macintosh adapter 2. 250W / 300W lamp module 3. Ceiling mount kit 4. Wireless Pro 5. Presentation Pro 6. DVI-I cable Pro

Pagina 12

Chapter 1: Engineering Specifications 1

Pagina 14

Controls and Functions 20

Pagina 15

Remote Control Description 21

Pagina 16 - Chapter 2: Spare Parts List

Remote Control Effective Range Infra Red (IR) remote control sensors are located on the front and the back of the projector. The remote control must b

Pagina 17

Installing or Replacing the Batteries 23

Pagina 18 - Shipping Contents

Installation Choosing a Location Your projector is designed to be installed in the four installation configurations shown here: Floor front, Ceiling f

Pagina 19 - Projector Description

Connecting to a Laptop or Desktop Computer Connecting Equipment to the Component Video Input The projector is capable of displaying various High Def

Pagina 20

The following standards are supported in the HDTV function: Connecting to Video or S-Video Devices Connecting to Display Devices If you want to moni

Pagina 21 - Controls and Functions

Adjusting the Height The projector is equipped with 2 quick-release adjuster feet. Screen Size Place the projector at the required distance from the

Pagina 25 - Installation

Operation Start Up 1. Switch all of the connected equipment on. 2. Plug the power cord into the projector and into a wall socket. 3. Turn on the w

Pagina 26

6. The start up procedure takes about 30 seconds after pressing Power. In the later stage of start up, a default BenQ logo appears. 7. Next, the pro

Pagina 27

Source Selection Auto Adjustment 32

Pagina 28

Blank Zoom / Focusing Adjust the projected image to your desired size using the lens’ zoom ring. Then focus the image by rotating the focus ring.

Pagina 29

Laser Pointer Operation The Laser Pointer is a presentation aid for professionals. It emits red colored light when you press it and the LED indicator

Pagina 30

PIP (Picture In Picture) Operation By pressing the PIP-Source, PIP-Pos and PIP-Size hot keys, you can enable the PIP (Picture In Picture) function and

Pagina 31 - Operation

Menu Operation Menu System Please note that the OSD menus vary according to the signal type selected. 36

Pagina 32

Using the menus The projector is equipped with on-screen display (OSD) menus for making various adjustments and settings. There are 10 different menu

Pagina 43

Packing Description 47

Pagina 49

Appearance Description 52

Pagina 52

Lamp Replacement Use and Replacement of the Lamp When the Lamp Indicator lights up red or a message appears suggesting it is time to replace the lamp,

Pagina 53 - Appearance Description

To reduce the risk of injuries to fingers and/or compromising image quality by touching the lens, do not touch the empty lamp compartment when the lam

Pagina 54

Temp Warning Light When the Temperature warning light is on, it is warning you of the following possible problems: 1. The internal temperature is to

Pagina 58

Shutdown 60

Pagina 59

Chapter 4: Circuit Operation Theory PB8250 DMD projector being using the XGA DMD Engine made by BENQ, it included front end circuitry that digitizes a

Pagina 61 - Shutdown

2. DMD driver board that transfer PW166 scaler output RGB888 signal to DMD chip acceptable signal for driving DMD mirror operation. The relate diagra

Pagina 62 - For System

Power Board and BallastOptical EngineDMD CHIP Board Lamp OnControl SignalRGB 8882.5V, 5V, 12VIR Rear B oardKeypadColor Wheel Sensor BoardSensor Signal

Pagina 63

The Image Processor also known as “Scaler” , which indicate its main function , expand or downsize the digital picture from ADC to a fixed size digita

Pagina 64

ADHSYNC – Providing the Horizontal Synchronization signal to AD9882. ADVSYNC - Providing the Vertical Synchronization signal AD9882. DDC interface – P

Pagina 65 - DMD Driver

DEN – Data enable signal output to DMD BD , provided as a valid data indicator signal for DMD driver. VCLK – V-port pixel clock. VPEN – V-port data en

Pagina 66

software system will detect the abnormal signal. Sensor BD: The Sensor BD provides the color wheel index signal to DMD BD. The CWINDEX shall indic

Pagina 67

Appendix A Optical Measurement Procedure 1. Scope: This document describes critical optical related test definitions and Instructions for data or

Pagina 68

Chapter 5: Alignment Procedure 1. DMD Bias Voltage Alignment Equipment: None Procedure: (1) Watch DMD “Bias Voltage Bin” Label (Example: 8060-7bbc DDD

Pagina 69

- Probe Procedure: (1) Probe impedance matches 50 ohm (2) Open Factory OSD, and select color wheel delay item (3) Leave the image pure red (DMD red c

Pagina 70

4. S-Video and HDTV Color Adjustment Procedure Equipment: - Pattern generator (VG-828) - Lux meter ( CL-100) or CA 120 Procedure: (a) S-video adj

Pagina 71

If we line the x and y, then the Pb offset is the shift action and the Pr offset is the rotational action. (3) Connect power, YPbPr Video into project

Pagina 72

Chapter 6: Trouble Shooting Common Problems & Solutions 73

Pagina 78

Note: L10, L11, L12, L13 are located at 10% of the distance from corner itself to L5 A2. ANSI UNIFORMITY ANSI +Uniformity= Maximum (L1~13)-Averag

Pagina 83

83 Chapter 7: Schematics drawing

Pagina 89

JBMA Contrast = Average (L1,L2,L3,L4,L5,L6,L7,L8,L9) under solid white / Average (L1,L2,L3,L4,L5,L6,L7,L8,L9) under solid black A7. LIGHT LEAKAGE

Comentarios a estos manuales

Sin comentarios