BenQ 9H.L7CLA.FBE Manual de Usario
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Applicable Country & Regions: Global
Service Manual for BenQ:
G2450HM: D-SUB + HDMI + DVI + AUDIO
P/N: 9H.L7NLA.TBW
GL2450HM: D-SUB + HDMI + DVI + AUDIO
P/N: 9H.L7CLA.TBE
GL2450HE: D-SUB + HDMI + DVI + AUDIO
P/N: 9H.L7CLA.FBE
Glossy Black Chassis Colors
Product Service Manual – Level 1~2
Version: 2nd
Date:10-31-2012
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 (Sep. 2011)
© Copyright BenQ Corporation 2011. All Right Reserved.
2
Content Index
Abbreviations & Acronyms ........................................................................................................................................ 3
1. About this Manual ................................................................................................................................................... 5
1.1 Important ............................................................................................................................................................ 5
1.2 Trademark .......................................................................................................................................................... 5
2. Introduction ............................................................................................................................................................. 6
2.1 RoHS (2002/95/EC) Requirements – Applied to all countries require RoHS. .................................................... 6
2.2 Safety Warning and Notice ................................................................................................................................. 6
2.3 Compliance Statement ....................................................................................................................................... 7
3. General Description ................................................................................................................................................ 8
4. Related service information ................................................................................................................................... 8
5. Product Overview ................................................................................................................................................... 9
5.1 Monitor Specifications ........................................................................................................................................ 9
5.2 Panel Inspection Specification .......................................................................................................................... 21
Level 1 Cosmetic / Appearance / Alignment Service ............................................................................................ 26
Visual Inspection & Cleaning .................................................................................................................................. 26
F/W Upgrade SOP .................................................................................................................................................. 26
Adjustment / Alignment Procedure ......................................................................................................................... 43
Level 2 Circuit Board and Standard Parts Replacement ...................................................................................... 58
Product Exploded View .......................................................................................................................................... 58
Six Angles’ View ..................................................................................................................................................... 60
Product Disassembly/Assembly ............................................................................................................................. 61
Block Diagram ........................................................................................................................................................ 71
Schematic Diagram ................................................................................................................................................ 74
Troubleshooting ...................................................................................................................................................... 85
PCB LAYOUT ............................................................................................................................................................. 91
Appendix 1 – Screw List / Torque ........................................................................................................................... 99
3
Abbreviations & Acronyms
A
ADC Analog to Digital Converter
AFC Automatic Frequency Control: control signal used to tune to the correct frequency
B
BenQ BenQ Corporation
BTSC Broadcast Television System Committee
C
CPU Central Process Unit
CVBS Composite Video Blanking and Synchronization
D
DLP Digital Light Processing / Texas Instruments®
DMD Digital Micro mirror Device
DRAM Dynamic RAM
DVI Digital Visual Interface
DVI-D Digital Visual Interface-digital
DVI-I Digital Visual Interface-Integrated
E
EEPROM Electrically Erasable and Programmable Read Only Memory
F
FLASH FLASH memory
G
G-TXT Green Teletext
H
HDMI High Definition Multimedia Interface, digital audio and video interface
HP Head Phone
I
I2
C Integrated IC bus
L
LED Light Emitting Diode
LVDS Low Voltage Differential Signal, data transmission system for high
M
MOSFET Metal Oxide Semiconductor Field Effect Transistor
N
Especificaciones del producto
| Marca: | BenQ |
| Categoría: | Monitor |
| Modelo: | 9H.L7CLA.FBE |
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