Acer B193R manual Modify

Page 43

+5V

PANEL_VCC

+

 

R302

R303

C302

C303

 

 

 

 

10uF/16V

330

1/4W

330

1/4W

 

0.1uF 16V

 

 

 

 

U303

NC/LD1117S33

32

VI VO

GND

1

3 PANEL_PWR

R308

4K7 1/16W

 

R304

 

C308

 

 

10K 1/16W

1uF 16V

R305

10K 1/16W

R307

51K 1/16W

Q301 2N3904S-RTK/PS

Q302

AO3401

C304

 

FB302

1uF 16V

120

+5V

 

 

 

 

 

 

 

 

+5V

 

 

 

VIN VOUT ADJ(GND)

U301

 

 

 

+3.3VCC

 

 

 

AP1117D33LA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

2

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C301

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

+

070617 CHANGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF 16V

 

C305

 

 

 

 

 

 

C307

 

 

C306

 

 

100uF/16V

 

 

 

 

 

 

0.1uF 16V

 

 

 

100uF16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN301

1

2

3

4

5

6

7

8

9

CONN

 

 

 

 

+3.3VCC

 

R309

+5V

 

R312

 

 

 

 

 

PANEL_IDX 3

 

 

1K 1/16W

 

100R 1/16W

 

 

 

 

 

 

 

R311

 

 

 

 

 

 

 

 

 

 

BRIGHTNESS

3,5

 

 

 

 

1K 1/16W

 

 

 

 

 

modify

+12V

FB303

+

+3.3VCC

1/8

+5V

120

 

 

 

 

C315

C317

R314

 

 

 

100uF/16V

 

 

 

 

0.1uF 16V

4K7 1/16W

 

D301

 

 

 

R301

 

 

 

 

1K 1/16W

 

 

C316

0.1uF/25V

SM340A

Q305

 

 

R316

4K7 1/16W

BL_CONTROL 3

 

 

2N3904S-RTK/PS

C311

0.1uF 16V

+

C309

100uF/16V

U304

AP1117E18LA

32

VI VO

GND

1

U302 NC/AZ1117D-1.8-E1

23 INPUT 1 OUTPUT ADJ/GND

+1.8VCC

070617 CHANGE

+

C310

C312 100uF16V 0.1uF 16V

43

Image 43
Contents Acer B193R Service Guide Version Release Date Revision History TPV model Service Guide Version and RevisionConventions CopyrightDisclaimer TrademarksPreface Special Notes On LCD Monitors PrecautionsTable Of Contents Description Chart of B193RIntroduction ScopeStandard Test Conditions Electrical RequirementsMeasurement systems TTL LCD Monitor General SpecificationGeneral Specifications LCD Panel SpecificationElectrical Characteristics Optical Specifications Support Timing Monitor Block Diagram Main Board Diagram Software Flow Chart Remark Main Board Layout Symbol DescriptionInstallation Attaching/Removing The Base Height AdjustmentSwivel TiltMonitor Pivot Front panel controls External ControlsEColor Management OSD How to Adjust a Setting Adjusting the picture Page Logo Using The Right Power CordDisassembly Procedure Page Page Okng No PowerNo Picture LED is orange OK NG Panel Power CircuitKey Board Power Board No power LED No Backlight Connector Information DVI Connector Chapter Exploded Diagram Model B193RPicture Description Part ListFFC Cable 2007/05/08 Main Board170A8/90B8 Modify Lvds Output Power board Feedback Layout CN603 Key board