Acer B203W manual Key board

Page 48

Key board

 

 

 

 

 

 

 

 

 

ZD001

UDZSNP5.6B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

1

add ZD001 and ZD002 for ESD solution

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED001

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

1

 

 

 

 

 

 

 

 

 

CN001

 

 

 

 

 

 

 

 

2

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD002

UDZSNP5.6B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

LBADC1

 

 

 

 

 

 

 

 

 

 

R001

 

2K OHM 1/16W

 

 

 

 

 

2

LBADC2

 

 

 

 

LED_BLUE#

 

 

 

 

 

 

 

 

 

 

 

 

3

POWER_Key

 

 

 

 

LED_RED#

 

 

 

 

 

 

 

 

 

 

 

 

4

LED_BLUE#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

LED_RED#

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

R002

 

2K OHM 1/16W

 

 

 

 

 

 

 

 

 

 

C001

C002

C003

C004

 

C005

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONN

 

 

 

 

NC

 

NC

NC

NC

 

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R003

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1K 1/16W 5%

 

 

 

 

 

LBADC1

MENU

 

 

 

 

 

 

 

 

NC C008

 

NC C006

 

 

 

NC C007

 

 

POWER Key

VOL- (GND)

0 V

 

 

 

 

 

ECOLOR

AUTO

MENU

VOL-

VOL+

 

 

 

 

 

 

 

 

 

LBADC2

VOL+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUTO

 

 

 

 

 

 

 

 

 

1

 

3

5

 

7

 

9

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW001

 

 

 

 

 

 

 

 

 

 

 

ECOLOR(GND) 0 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JB41-03521

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

4

6

 

8

 

10

12

CN001

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONNECTOR

ECOLOR

AUTO

MENU

VOL-

VOL+

POWER

LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48

 

 

 

 

 

 

 

 

 

Image 48
Contents Acer B203W Service Guide Service Guide Version and Revision Version Release Date Revision History TPV modelCopyright DisclaimerTrademarks ConventionsPreface Precautions Special Notes On LCD MonitorsTable Of Contents Chart of B203W IntroductionScope DescriptionElectrical Requirements Standard Test ConditionsMeasurement systems LCD Monitor General Specification TTLLCD Panel Specification General Specifications Functional Block DiagramElectrical Characteristics TFT LCD Module-Power Specification Backlight UnitOptical Specifications Support Timing Horizontal VerticalMonitor Block Diagram Main Board Diagram Software Flow Chart Remark Symbol Description Main Board LayoutInstallation Height Adjustment Attaching/Removing The BaseTilt SwivelMonitor Pivot External Controls Front panel controlsEColor Management OSD How to Adjust a Setting Adjusting the picture Page Using The Right Power Cord LogoDisassembly Procedure Page No Power OkngNo Picture LED is orange Panel Power Circuit OK NGKey Board Power Board No power LED No Backlight Connector Information DVI Connector Exploded Diagram Model B203W ChapterPart List Picture DescriptionFFC Cable Main Board To GND From Mvcc to Esdvcc toChange the type of resistor R301 from 0805 to Both 223 and 252 foot-print LAY Power board Feedback Layout CN603 Key board