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The Description For Control Function

Main

Menu

Icon

Sub Menu

Item

Sub

Menu

Icon

Description

Contrast

Contrast from Digital-register.

Brightness

Backlight Adjustment

Focus

Adjust Picture Phase to reduce Horizontal-Line

noise

Clock

Adjust picture Clock to reduce Vertical-Line noise.

H. Position

Adjust the horizontal position of the picture.

V. Position

Adjust the vertical position of the picture.

Warm

N/A

Recall Warm Color Temperature from EEPROM.

Cool

N/A

Recall Cool Color Temperature from EEPROM.

User / Red

Red Gain from Digital-register.

User/ Green

Green Gain Digital-register.

User / Blue

Blue Gain from Digital-register.

English

N/A

Set OSD display language to English.

繁體中文

N/A

Set OSD display language to Traditional Chinese.

Deutsch

N/A

Set OSD display language to German.

Français

N/A

Set OSD display language to French.

Español

N/A

Set OSD display language to Spain.

Italiano

N/A

Set OSD display language to Italian.

简体中文

N/A

Set OSD display language to Simplified Chinese.

日本語

N/A

Set OSD display language to Japanese.

H. Position

Adjust the horizontal position of the OSD.

V. Position

Adjust the vertical position of the OSD.

OSD Timeout

Adjust the OSD timeout.

Содержание AL1722

Страница 1: ...Acer AL1722 Service Guide ...

Страница 2: ...2 Service Guide Version and Revision No Version Release Date Revision 1 1 0 Jan 12 2005 Original release ...

Страница 3: ...s for any particular purpose Any Acer Incorporated software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not Acer Incorporated its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in the software Acer is a register...

Страница 4: ...ing To better fit local market requirements and enhance product competitiveness your regional office MAY have decided to extend the functionality of a machine e g add on card modem or extra memory capability These LOCALIZED FEATURES will NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further t...

Страница 5: ...eiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio TV technician for help Notice 1 The changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the e...

Страница 6: ...company The monitor is equipped with a three pronged grounded plug a plug with a third grounding pin This plug will fit only into a grounded power outlet as a safety feature If your outlet does not accommodate the three wire plug have an electrician install the correct outlet or use an adapter to ground the appliance safely Do not defeat the safety purpose of the grounded plug Unplug the unit duri...

Страница 7: ...ay find slightly uneven brightness on the screen depending on the desktop pattern you use The LCD screen has effective pixels of 99 99 or more It may include blemishes of 0 01 or less such as a missing pixel or a pixel lit all of the time Due to the nature of the LCD screen an afterimage of the previous screen may remain after switching the image when the same image is displayed for hours In this ...

Страница 8: ...hapter 2 Operating Instructions 24 External Controls 24 Front Panel Controls 25 Adjusting the picture 26 Hot Key Menu 30 OSD Message 30 LOGO 31 Chapter 3 Machine Disassembly 32 Chapter 4 Troubleshooting 39 Chapter 5 Connector Information 45 Chapter 6 FRU Field Replacement Unit List 46 Exploded Diagram 47 Chapter 7 Schematic Diagram 52 Analog and Digital Input 52 TSU56AK 53 LVDS 54 DC Power 55 MCU ...

Страница 9: ...scription The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no radiation This will alleviate the growing health concerns It is also a space saving design allowing more desktop space and comparing to the traditional CRT monitor it consumes less power and gets less weight in addition MTBF target is 50k hours or more Chart of AL1722 Panel 17 Sam...

Страница 10: ...ol settings User brightness control Maximum unless otherwise specified User contrast control Typical unless otherwise specified User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 90Vac or 240Vac Ambient temperature 20 5 Analog input mode 1280 x1024 60 Hz Measurement systems The units of measure stated in this document are ...

Страница 11: ...V Display dot 1280 x RGB 1024 Pixel clock 135 0MHz Contrast ratio 700 1 Brightness 300 cd m2 Response time Tr Tf 8ms Tr 1 7ms Tf 6 3ms Display color 16 2M RGB 8 bit Data Viewing angle H 150 V 135 typ Pc interface RGB Analog Interface Digital interface Signal connector D Sub 15pin DVI D 24pin Interface frequency Horizontal Frequency 30KHz 83KHz Vertical Frequency 55Hz 75Hz Plug play VESA DDC2B Powe...

Страница 12: ...ight 1900g Max Optical Specifications IL 6 5mArms Ta 25 2 C VDD 5V FV 60Hz FDCLK 54MHz ITEM Symbol Condition MIN TYP MAX UNIT Contrast Ratio Center of screen C R 700 Rising Tr 1 7 Response Time Falling TF 6 3 msec Luminance of white Center of screen YL 300 cd m2 RX 0 650 Red RY 0 330 GX 0 300 Green GY 0 600 BX 0 150 Blue BY 0 080 WX 0 313 Color Chromaticity CIE 1931 White WY θ 0 φ 0 Normal Viewing...

Страница 13: ...74 927 ٛ Support Modes There will be 12 total support modes to accommodate the above mode and other video modes within the frequency range of the monitor 80Hz refresh rate Support Monitor should display 80Hz refresh rate mode as emergency mode Monitor should display Out of Range warning menu at this mode Video Input Connector PIN NO DESCRIPTION PI N NO DESCRIPTION 1 Red 9 5V 2 Green 10 Logic Groun...

Страница 14: ...und for 5V 4 TMDS Data 4 16 Hot Plug Detect 5 TMDS Data 4 17 TMDS Data 0 6 DDC Clock 18 TMDS Data 0 7 DDC Data 19 TMDS Data 0 5 Shield 8 Analog Vertical Sync 20 TMDS Data 5 9 TMDS Data 1 21 TMDS Data 5 10 TMDS Data 1 22 TMDS Clock Shield 11 TMDS Data 1 3 Shield 23 TMDS Clock 12 TMDS Data 3 24 TMDS Clock DVI Connector layout ...

Страница 15: ...ghtness control logic and DDC The Inverter board will drive the backlight of panel The adapter will provide the 12V DC power to inverter power board and main board Video signal DDC Inverter board Flat Panel and CCFL backlight Main Board Keyboard RS232 Connector For white balance adjustment in factory mode HOST Computer CCFL Drive AC IN 100V 240V Audio board Adapter ...

Страница 16: ...16 Main Board Diagram LCD Interface Scaler TSU56AK Include ADC OSD etc MCU OSD Control Interface Keypad DVI Connector D SUB Connector EEPROM 24C02 EEPROM 24C02 Crystal 14 318MHZ EEPROM 24C16 ...

Страница 17: ...set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog and digital port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog or digital port 16 Display No Input Signal message And go into standby mode after the message disappear 17 Program the scal...

Страница 18: ...62 82 SCALER IC TSU16AK Y601 93L 22 55 J 20MHZ U201 56G 563 38 RT9164A18PG S0T 223 U202 56L 563 7 AIC1084 33CM U603 56L 643 5A MAX810STR SOT 23 U602 56L1133 56 M24C16 WMN6T W SO 8 CN301 88L 35315F HS D USB 15PIN CN302 88L 35424F HS DVI 24PIN CN503 33G802724B H WAFER CN201 33L800912L H HEADER 2 6P CN602 33L8027 14 H WAFER 14P 2 0MM U701 56L 616 1 TDA7496L BY ST CN701 88L 30210K E PHONE JACK ...

Страница 19: ...d back cover shall be within specification Top and Bottom Left and Right Back cover Bezel concavity Back cover Bezel concavity 0 8mm A 1 3 mm 0 8mm A 1 3 mm Back Cover Hinge Cover concavity 0mm B 0 5mm B Base Neck concavity 0mm C 0 6mm ...

Страница 20: ... Top and Bottom Left and Right Back cover Bezel step Back cover Bezel step 0mm D 0 8 mm 0mm D 0 8 mm LCD Horizontally The angle between front bezel and LCD unit in bottom side should not large than 1 0mm ...

Страница 21: ...t large than 4 0mm Tilt Base Rotation Tilt up 15 2 down 5 2 Plastic Material For TCO99 Front Bezel ABS 94HB Back Cover ABS 94HB The Others ABS 94HB For MPRII Front Bezel ABS 94HB Back Cover ABS 94HB The Others ABS 94HB GAP Spec Gap between panel with bezel is 0 mm gap 1 2 mm ...

Страница 22: ...22 Front Bezel Item Description 1 Volume 2 Volume 3 4 5 ...

Страница 23: ...23 Rear Bezel Item Description 1 D SUB CABLE 2 DC Jack Power Cable 3 AC POWER CORD External Adapter 5 DVI CABLE 4 AUDIO CABLE ...

Страница 24: ...onitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor position The power indicator will light up External Controls Item Description 1 Volume 2 Volume 3 4 5 Chapter 2 ...

Страница 25: ...r 2 seconds to activate the Auto Adjustment function The Auto Adjustment function is used to set the HPos VPos Clock and Focus Power Indicator Blue Power On mode Orange Power saving Light blue Off mode NOTES Notes Do not install the monitor in a location near heat sources such as radiators or air ducts or in a place subject to direct sunlight or excessive dust or mechanical vibration or shock Save...

Страница 26: ...indow 2 Press or to select the desired function 3 Press the MENU button to select the function that you want to adjust 4 Press or to change the settings of the current function 5 To exit and save select the exit function If you want to adjust any other function repeat steps 2 4 I Analog Only Model ...

Страница 27: ...27 II Dual Input Model Analog Signal Input III Dual Input Model Digital Signal Input ...

Страница 28: ...emperature from EEPROM User Red Red Gain from Digital register User Green Green Gain Digital register User Blue Blue Gain from Digital register English N A Set OSD display language to English 繁體中文 N A Set OSD display language to Traditional Chinese Deutsch N A Set OSD display language to German Français N A Set OSD display language to French Español N A Set OSD display language to Spain Italiano N...

Страница 29: ...d Clock of picture Analog N A Select input signal from analog D Sub Dual Input Model Digital N A Select input signal from digital DVI Information N A Show the resolution H V frequency and input port of current iput timing Reset N A Clear each old status of Auto configuration and set the color temperature to Cool Exit N A Exit OSD ...

Страница 30: ... without this OSD Message Input Not Supported When the Hsync Frequency Vsync Frequency or Resolution is out of the monitor support range will show this message This message will be flying Cable Not Connected 1 Analog Only Model When the video cable is not connected will show this message This message will be flying 2 Dual Input Model Dual Input Model without this OSD Message No Signal 1 Analog Onl...

Страница 31: ... This feature is designed to conserve electrical energy by reducing power consumption when there is no video input signal present When there is no video input signal this monitor following a time out period will automatically switch to an OFF mode This reduces the monitor s internal power supply consumption After the video input signal is restored full power is restored and the display is automati...

Страница 32: ... chapter contains step by step procedures on how to assemble the monitor for maintenance Disassembly Procedure Disassemble the base 1 Remove hinge cover Fig 1 2 Remove four screws to release stand base Fig 2 Chapter 3 Fig 1 Fig2 ...

Страница 33: ...elease front bezel Fig 3 2 Remove connector wire with keyboard and main board Fig 4 3 Remove two screws to release keyboard Fig 5 4 Remove connector wire with keyboard and speakers Fig 6 6 Remove two screws to release speakers right and left Fig 7 Fig 3 Fig 4 ...

Страница 34: ...34 Fig 5 Fig 6 Fig 7 ...

Страница 35: ...35 Disassemble the rear bezel Disassemble the shield 1 Remove two screws to release the shield Fig 8 2 Remove the shield as arrow direction Fig8 ...

Страница 36: ...36 Disassemble the main board 1 Remove four screws to release main board Fig 9 2 Remove connector wires with main board and Inverter board main board and keyboard main board and panel Fig 10 Fig 9 Fig10 ...

Страница 37: ...37 Disassemble the Inverter board 1 Remove four screws to release Inverter board Fig 11 2 Remove connector wires with Inverter board and panel Fig 12 Fig11 Fig12 ...

Страница 38: ...38 Disassemble the panel 1 Remove four screws right and left to release metal frame Fig 13 Fig13 ...

Страница 39: ...he AL1722 1 No power Chapter 4 No power Press power key and look if the picture is normal Measure 12V input voltage Check the adapter section Y601 oscillate waveform is normal Measure U101 PIN2 5V OK OK NG NG NG Replace U101 Replace U601 Replace Y601 OK Replace U401 NG NG NG ...

Страница 40: ...normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U401 NG OK Key is under control Y601 oscillate waveform is normal Replace U601 Replace Y601 OK Replace U401 NG NG ...

Страница 41: ...cuit Replace PANEL Measure Q204 base is high level Check Q204 and Q203 are broken or CN503 solder Check Correspondent component OK OK NG NG Y601 oscillate waveform is normal Replace U601 Replace Y601 OK Replace U401 NG NG ...

Страница 42: ...d OK OK OSD is unstable or not working Is Keypad board connecting normally Is Button Switch normally Is Keypad board normally Check main board Connect Keypad Board Replace Button Switch Replace Keypad Board OK NG NG NG ...

Страница 43: ... Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave NG OK Change U201 Check D201 D202 have the output of square wave at short time NG OK Check Q205 Q207 Q203 D201 or Q206 Q208 Q204 D202 Check the resonant wave of pin2 pin5 for PT201 PT202 NG Check the output of PT201 PT202 Check Q209 Q210 C213 or Q211 Q212 C214 Check connecter lamp OK NG Change PT201 PT202 OK NG OK ...

Страница 44: ...er supply of U701 is 12V Check connecting is ok Reconnect Mute and volume setting is ok Reset mute and volume Check input signal of U701is ok Check correspondent component Replace U701 Replace speaker OK OK OK NG NG NG NG NG ...

Страница 45: ... Ground 14 V Sync 7 G Ground 15 DDC Serial Clock 8 B Ground 24 Pin Color Display Signal Cable DVI PIN NO DESCRIPTION PI N NO DESCRIPTION 1 TMDS Data2 13 TMDS Data3 2 TMDS Data2 14 5V Power 3 TMDS Data 2 4 Shield 15 Ground 4 TMDS Data4 16 Hot Plug Detect 5 TMDS Data4 17 TMDS Data0 6 DDC Clock 18 TMDS Data0 7 DDC Data 19 TMDS Data 0 5 Shield 8 Analogue Vertical Sync 20 TMDS Data5 9 TMDS Data1 21 TMD...

Страница 46: ...hatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED SERVICE PROVIDERS your Acer office may have a DIFFERENT part number code from those given in the FRU list of this printed Service Guide You MUST use the local FRU list provided by your regional Acer office to order FRU parts for repair and service of customer machines NOTE To scrap or...

Страница 47: ...47 Exploded Diagram Model AL1722 ...

Страница 48: ...48 Part List Item Picture Description Part No 1 Hinge cover 33L4636 FV L 33L4637 FV L 2 Stand base 34L1189 FV B 3 Front cover 34L1187CGE B 4 Rear cover 34L1188AFV 2B ...

Страница 49: ...49 5 Shield 85L 641 1 6 Metal frame 15L5921 5 7 Panel 750LLS70U21 9 Power board IDPC 7425C3 ...

Страница 50: ...50 10 Main board AIC780KS2AE 11 Key board AIK780KB4 12 Speakers 78L 332 1 L 78L 332 1 R ...

Страница 51: ......

Страница 52: ...DDC D303 BAV99 3 1 2 C301 NC R 4 C306 0 047uF GIN 4 DVI5V D316 MLL5232B 5 6V C307 0 001uF DDC_CLK 6 PC5V R308 10K 1 16W FB303 0 1 16W R314 2 2K 1 16W C305 0 047uF B 4 HSI G 4 DVI5V SOG 4 CLK_DDC2 R301 33 1 16W RIN 4 C314 0 1uF C302 NC B 4 D304 BAT54C GS08 3 1 2 D310 BAV99 NC 3 1 2 R304 470 1 16W DAT_DDC2 R318 20K 1 16W U302 AT24C02N 10SC 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC C312 220pF D321 ...

Страница 53: ...99 100 101 102 103 88 89 90 91 92 93 16 17 22 23 24 25 8 9 12 13 14 15 124 125 128 1 4 5 118 119 120 121 75 76 83 82 81 80 79 29 28 53 65 64 48 106 107 122 123 68 40 41 43 44 46 47 49 50 30 77 78 31 6 RIN0 GIN0 SOGIN0 BIN0 RIN0M GIN0M BIN0M HSYNC0 VSYNC0 REXT REFP REFM CSZ SDA SCL HWRESETZ INT PWM0 PWM1 AVDD AVDD_MPLL AVDD_DVI BYPASS AVDD_DVI VDDP VDDP VDDP VDDP VDDP VDDP VDDP VDDC VDDC VDDC VDDC ...

Страница 54: ...O0 0R QDI 17 RXOC PB4 B2N FCLKP RB2N LVB0M C507 NC PA 0 9 4 3 3V RA3N BA0 B1P PA9 PB 0 9 NC CLKBN RXE1 R510 GA2P LVACKM PA2 HMS BA1N PA0 3 3V GA1P BG0P LVBCKP GA2 R508 PB9 NC BB1N LVA3M RB2P LVBCKP GA2P 12V STH BR0P FR0P FG2N BA1N R512 FB0P GPOO3 LVA1M NC PA 0 9 0R GB2 B1N RB5 GA0 NC LVB1M LVA3M VLCD 2 NC FR1N OSP FG0P CLKBP BA3P 0R GB5 BB3P NC PB7 BA1 GPO0 GPOO4 0R RA3P RB 0 5 PB 0 9 4 NC GA1N FB...

Страница 55: ...2 PMBS3904 3 2 1 D202 GS1D C219 0 1uF VAA4 4 VCC5V R220 4 7K 1 16W C212 0 1uF C209 47uF 16V VCC5V VCC5V C216 0 1uF SOT 223 VLCD_12V C201 0 1uF R205 4 7K 1 16W C213 47uF 16V R216 4 7K 1 16W D201 SS14 C215 47uF 16V GND C207 0 1uF R202 10K 1 16W R213 10K 1 16W R218 4 7K 1 16W VCPU 6 C203 0 1uF C202 220uF 25V C210 0 1uF SOT 263 VAA1 U202 AIC1084 33M 3 1 2 VIN ADJ VOUT onAUDIO 6 VCC12V_AUDIO C204 220uF...

Страница 56: ...6W R622 0 1 16W LED_GRN R606 10K 1 16W R609 100 1 16W OUT_R 7 R615 10K 1 16W R602 10K 1 16W VCPU EAR_L R624 0 1 16W R626 10K 1 16W VCPU LED_B R608 100 1 16W R616 4 7K 1 16W R628 0 1 16W Reset Circuit C612 0 1uF R611 NC LED_GRN HWRESET 4 R619 4 7K 1 16W R642 NC SCL 4 LED_O EAR_L 7 U602 24C16 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC R612 NC R643 NC OUT_R C614 1uF TXD 3 AD1 4 LED_ORANGE ST_DET2 3 ...

Страница 57: ...4148 VOL U701 TDA7496L 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 GND GND GND INL VAROUT_L VOLUME VAROUT_R NC INR SVR STBY MUTE GND OUTR VS VS OUTL GND GND GND MUTE R702 NC C710 1uF R706 100 1 16W C711 100pF R712 220K 1 16W C709 1uF R709 NC R703 10K 1 16W C712 100pF R705 10K 1 16W R708 1K 1 16W C707 470uF 16V C702 470uF 16V VCC12V_AUDIO R707 1K 1 16W C708 470uF 16V EAR_R 6 R701 10K 1 16W E...

Страница 58: ...224 OPEN Q206 SST3904 R212 3 9K Q212 2SC5706 1 2 3 CON204 33L8021 2D AC 1 2 C205 0 1U 25V R233 1K Q204 SI4431 OR AO4411 4 8 5 6 7 3 2 1 TP3 HVL 1 C210 1U 25V R218 470 C217 OPEN Q201 DTC144WKA D208 RLS4148 R208 4 7K R210 12K R228 1K C208 330P 50V CON201 33L8021 2D AC 1 2 R202 5 1K R204 10K L206 71A55 19 C216 OPEN C219 1U 25V L203 73L174 30 YS 1 4 2 3 TP2 HVO 1 R240 51K TP1 HVO 1 R227 1K Q210 2SC570...

Страница 59: ...C108 0 1 uF 25V 12V R101 OPEN 5V 5V IDPC7425C3 715L1085 1 S A 1 POWER AOC Top Victory Electronics Co Ltd A 2 1 Thursday April 03 2003 Title Size Document Number Rev Date Sheet of CON101 12V_POWER 88A304 1S is signal GND R109 1K OP GND DIM is power GND ON OFF C110 0 1uF 25V L102 150UH ON OFF GND_F U101 SI 8050SD TO263 1 5 4 3 2 VIN ON FBK GND Vout GND C101 220 uF 25V R104 3K OP GND 220 uF 25V C102 ...

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