Acer WISTRON RB23WABAS Manuale Utente

Table of ContentsImportant Safety Notice------------------------------------------------------------------------------------- 0101. Product Specificat

f. Item page statusStatus Display typeNon-focusItem focusedItem selectedThe description for control functionKey Function descriptionPower Power off th

Volume management OSDa. Display volume management OSD, when user press “<” or “>”button on front bezel.b. Layout as following figure 1-10, key o

2. OSD Manu (continued)11Go to cover pageACER H233H

3.1 Packing Exploded Diagram3. Exploded Diagram12Go to cover pageACER H233H

3.2 Product Exploded Diagram3. Exploded Diagram (continued)13Go to cover pageACER H233H

Use a Phillips-head screwdriver screwed theNo.1~2 screws till that interface board and bracketchassis base firmly attached.(No1~2 screw size=M3x6; Tor

Plug 2 lamp cables to the connectors of inverterboard.Use a Hex-head screwdriver screwed the DVI andD-SUB connectors (No.1~4 Hex Nut screwsSize=M3x8;T

Use a Phillips-head screwdriver screwed theNo.1(No1screw size=M3x4; Torque=5+/-1KGFxCM).Connect the power key cable.Connect the power key board from f

Assemble the stand upper side to the rear coverthrough the way of screwing 4 screws till bothunits firmly attached.(No1~4 Screw Size=M4x10;Torque=12+/

Put accessories of stand, DVI cable, anduser’s manual ,power cable on specificpositions as photo below.Move previous assembled parts into the cartonth

Product Announcement:This product is certificated to meet RoHS Directive andLead-Free produced definition. Using approved criticalcomponents only is r

4. Assembly and Disassembly Procedures (continued)Use a Phillips-head screwdriver unscrew 4 screwsto release the stand base.(No1~4 Screw Size=M4x10;To

Put the dissembled monitor closed to by myselfWedge your finger between the front bezel andthe panel, then pry up on the front bezel todisengage the l

Use a Hex-head screwdriver unscrewed 4 screws torelease the DVI and D-SUB connectors(No1~4Hex Nut screwsSize=M3x8;Torque=4~6KGFxCM).Hold one side of d

Use a Phillips-head screwdriver unscrewed theNo.1~4 screws to disassemble the power board.(No 1~3 screw size=M3x6; No 4 screwsize=M4x8; Torque=9~10KGF

Does OSM display when you push“MENU key.YesNo Proceed "No OSM display" section.Check if the sync signal from computer isoutput and if the vi

Is backlight lit?Refer "Checking the backlight unit" section"OKNGDoes computer output RGB video signals?OKCheck OSM menu is display on

5.2 Nothing display on screen (screen is black, color of LED is blue)continuedContinueCheck the 5V power supply forP301 pin 4,5,6.OKCheck the I304 pin

Is +22V supplied to inverter PWB ? (by thepower board)OKNGFailure Point1) Power board of Inverter part failure.Check the BKLT_EN signal of the DC inpu

Check the R, G, B video signal from computerinput on P302 of D-sub connector.OKNGFailure Point1) No R, G, B video signals output from hostcomputer, ch

Check the DVI video signal from computer inputon P303 of DVI connector.OKNGFailure Point1) No DVI video signals output from hostcomputer, check comput

1. Product SpecificationThe LCD monitor consists of an interface board, a power boardand inverter board, a function key board.The interface board will

Check the input I2C signal whether is changed when pressedfunction keys on the P306 pin 4, 5OKNGFailure Point1) Function key wire disconnection.2) Fun

Confirm the host computer supplies DDC2B mode.OKNGFailure PointThe host machine is not communicatiog in DDC2B mode.OKCheck the output signal of serial

Confirm the host computersupplies DDC2B mode.OKNGFailure PointThe host machine is not communicatiog in DDC2Bmode.OKCheck the output signal of serial d

5.9.2 Checking the control circuit of vertical sync pulseCheck the horizontal sync signal on P302 pin13 TTLlevel.OKNGFailure PointVideo cable is failu

Check +3.3V supply on I304 pin2.OKNG Proceed " Checking the DC/DC converter circuit" section.Check +1.2V supply on I305 pin 2.OKNG Proceed &

Check the 5V is output from P301 pin 4,5,6.OKNGFailure Point1) Power wire disconnection.2) Power board is failure.Check the 5V is input to I304 pin3.O

6.2 Realtek F/W Configuration:Step-1 Launch the utility of “ ”DebugTool_V6.2.exeStep-3Select ISP type: Serial FlashSelect ISP icon.Step-4 Follow up th

Step-6Press buttonThe screen will show “PASS”Step-5 Select “64K” icon to load firmware image. There are twoHEX files. You only need to select “64K” to

cedidWriting EDID for VGA and DVIS1 Chose the folder:” X233H-H233H-VGA&DVI “Double click “ Acer_1A1D_RLT.EXE “S2 Select Model: Key in password”ced

S3 Choose "WRITE" from menu then select "Scan S/NAnd Write EDID And Test DDC”S4 Key in series number in the input column and input 2col

1. Product Specification (continued)1.3.1.3 Audio Jack (option)This jack shall connect the audio input fromhost computer.1.3.2 Video Input SignalsD-SU

S5 When EDID was written successfully that will show belowmessage on the screen1A1HHardware Configuration:1. Connect the PRINTER PLUG of DDC FIXTURE w

8.8.1 BLOCK DIAGRAMBLOCK DIAGRAM AND SCHEMATICPCB No.Scal erFlash ROMSST 25VF010APMC 25LV010ADC DC-5V 3 3V-.33V12V.-.Power &InvertorBoardAC110 220

_8.2 SCHEMATICS POWER BOARDACER_LCD_H233H_PCB No.6832209800P01BGNDAIN R_AOUT L_GNDAOUT R_AIN L_GNDDNMUTESOP 18-ENON OFF-BRIOn OFF-L+L-+5VR-BRI+5VR+GND

8.3 ACER __LCD_H233H SCHEMATICS_INTERFACE_BD_POWER6832203800P01PCB No.+5VGNDTO263TO252GNDBKLT ADJ_STANDBYBKLT EN_AUDIO EN_MUTEVOLUME+5V+5VGNDfor USB m

_8.4 SCHEMATICS INTERFACE_BD_VGA & DDC INPUTACER_LCD_H233H_PCB No.6832203800P01VGA RED_-VGA BLU_-VGA GRN_-VGA RED_VGA GREEN_VGA BLUE_VGA RED_-DDC

_8.5 INTERFACE_DVI & DDC INTERFACEACER_LCD_H233H SCHEMATICS_PCB No.6832203800P01DVI RX2_-DVI RX0_-DVI RXC_-DVI RX1_+DVI RXC_+DVI RX1_-DVI RX2_+DVI

_8.6 INTERFACE_BD_HDMIACER_LCD_H233H SCHEMATICS_PCB No.6832203800P01HDMI1 D0_+HDMI1 CK_-HDMI1 D0_+HDMI1 D0_-HDMI1 D1_-HDMI1 D1_+HDMI1 CK_-HDMI1 D2_-HD

_8.7 INTERFACE_BD_SCALER/RTD2482DACER_LCD_H233H SCHEMATICS_PCB No.6832203800P01ShieldingAudio outputPC Audio input-EAREALGNDINRGNDINL1A1D1H use R4931A

POWERORANGESDAGNDSCLKEY VinGNDATTNKEY2KEY1FOR H233 POWER KEY 4PIN and X233 KEY 6PINGNDFOR H233 OSD KEY 6PINBLUEPOWERORANGEGNDKEY2BLUEKEY1FOR V273 KEY

_8.9 SCHEMATICS _BDOSD KEYACER_LCD_H233H_PCB No.6832203800P01AUTOLEFTAUTORIGHTMENU RIGHTGPIO LED/LEFTBUTTONEBUTTONS2INPUTINPUTEMENUGPIO5 D608/ATTNGNDK

1. Product Specification (continued)1.3.3 User Controls and Indicators1.3.3.1 Power On / Off SwitchThe monitor shall have a power control switchvisibl

LED ORANGE_LED WHITE_POWER KEYLED BLUE_KEY POWERn_LED ORANGE_C6010 1uF 16V._CM0603D604MMSZ5232BSSOD323S601 SM TACK SW2--1 23 4OBD601LED SM LED C195K--

8.11 ACER_LCD_H233H LAYOUTS_POWER BOARD_POWER BOARD - BOTTOM SILKPOWER BOARD - TOP SILK1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cover p

8.12 ACER_LCD_H233H LAYOUTS_INTERFACE BOARD_1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cover page51ACER H233H

8.13 ACER_LCD_H233H LAYOUTS_OSD KEY BOARD AND POWER KEY BOARD_POWER KEY BOARDOSD KEY BOARD1234567 89101112131234567 8910111213ABCDEFGABCDEFGGo to cove

1. Product Specification (continued)PRESET PC TIMINGS (ANALOG AND DIGITALINPUTS)Analog input (VGA) treats all timings as PC-timings.1.3.5.3 Panel Timi

1. Product Specification (continued)1.3.8 Display Communications ChannelThe monitor assembly shall provide a displaycommunications channel that confor

1. Product Specification (continued)1.4.5.4 Allowable DefectsNo cosmetic defects are allowed except those specifiedbelow. The conditions of visual ins

2.1 MAIN OSD MENUa. Display OSD menu when user press “MENU” button onfront bezelb. Layout as following figure 1-12 OSD Menud. The definition of size a