Acer B223W 5. White screen ,

Acer Acer –LCD-B223W

5. White screen

END

White screen

Check LVDS

signal

Check

Q101,Q103,Q104,

R108,R104,C110,C

108

Check Panel-Enable of

U104(pin73)

Check VLCD

is 5V

Change

LVDSCable

LVDS Cable

Reinsert Workmanship

Panel Fail

LVDS cable NG

U104 Fail

OK OK

Contents

Main LCD Monitor Acer B223W Table of Contents Appendix : Users manual Acer Important Safety Notice 1. Safety precautions 2. Product safety notice 3. Service notes 01 Product Specification 1. General: 2.1.3 Altitude 1.1 Main Features 1.2 Accessories 3. Electrical and Optical Characteristics and Performance 3.1 Backlight Pow er Supply 3.2 Backlight Item Symbol Min. Typ. Max. Unit Remark Item Symbol Min. Typ. Max. Unit Remark Item Symbol Min. Typ. Max. Unit Remark 3.3 Brightness output 3.4 White balance 3.5 Brightness uniformity 4. Input / Output Signal Specifications 4.1 Video signals Analog 4.2 Signal Timing VESA MODES Page 5. Function Specifications 5.3 5.4 OSD Structure Page 6. SOP of firmware upgrade 6.1 Operational condition: 6.2 Operational steps: Acer Thirdly, select Connect and enter ISP MODE as in the following Figure 3. Software Checksum FW software rooter Page Flowin g chart Open ISP program LOAD FW software 02. Flat Panel Specification Page A. General Specification SPE C N O. PAG E B. Electri cal Specifications 1.Pin assignment Connector Page SPE C N O. PAG E 2. Absolute maximum ratings SPE C N O. PAG E 3. Electrical character istics a. Typical operating condition s Note 1 : The spe cified current is under t he V Black : 0 Gray SPE C N O. PAG E V % Note 4 : test condition : Page SPE C N O. MT 220 WW 01 V. 0 PAG E DE PAG E DATA DE DCLK Note: SPE C N O. PAG E I d. Display Position Page SPE C N O. PAG E Note 4: To be measured with a viewing cone of 2by Topcon luminance meter B M-5A. C. Optical Specifica tions Ambient temperature = 2 5C. To be measured in dark room after backli ght warm up 30 minutes. SPE C N O. PAG E Tr Tf Note 8: A B A SP EC N O. 18/23 Note 3 Note 2: D. Reliability test items Test Item Test Condition Judgment Remark Evaluation should be tested after storage at room temperature for one hour. Page Acer 03 Exploded Diagram 3.1 Screw List Page 04 Troubleshooting Page 21 3.Black screen Page 5. White screen 6. No Sound No sound 05 Spare parts List OEM PART NO DESCRIPTION Page Page V0152 A4 CHECK BY : DRAWN BY : B223W POWER SUPPLY 2008-01-23 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : APPRO BY : InnoLux APPRO BY : Document Number : SIZE : TITLE : DATE : SHEET OF Rev : Pin10,13 Connect to MCU GPIO to Switch PC_HDMI_Audio V01 54 InnoLux APPRO BY : Document Number : SIZE : TITLE : DATE : SHEET OF Rev : From IF BD To Keypad InnoLux APPRO BY : Document Number : SIZE : TITLE : DATE : SHEET OF Rev : Acer 7.0 Assembly and Disassembly Description Page Page Assembly and Disassembly (continue) 5 09146306200