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Acer AL1702W

Service Guide

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Содержание AL1702

Страница 1: ...Acer AL1702W Service Guide 1 ...

Страница 2: ...Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar 23 2007 Initial Release T77HRDNBGWAFN 2 ...

Страница 3: ... 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 Trademarks Acer is a registered trademark of Acer Incorporated All other trademarks are...

Страница 4: ...ference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recepti...

Страница 5: ...e of the grounded plug z Unplug the unit during a lightning storm or when it will not be used for long periods of time This will protect the monitor from damage due to power surges z Do not overload power strips and extension cords Overloading can result in fire or electric shock z Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or electric sh...

Страница 6: ...15 Software Flow chart 16 Main Board Layout 18 Adjusting the viewing angle 19 Rear Bezel 20 Chapter 2 Operating Instructions 21 External Controls 21 Front Panel Controls 22 Adjusting the picture 23 OSD Message 26 LOGO 27 Chapter 3 Machine Disassembly 28 Chapter 4 Troubleshooting 34 Chapter 5 Connector Information 38 Chapter 6 FRU Field Replacement Unit List 39 Exploded Diagram 40 Chapter 7 Schemat...

Страница 7: ...rs Description 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 AL1702W Panel ...

Страница 8: ...eset value cut off raster User contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished User red white balance Green white balance and Blue white balance control In the center unless otherwise specified Power input 230V 5 Ambient temperature 20 5 Display mode 1440x900 60 Hz all white Measurement systems The u...

Страница 9: ...LCD Monitor General Specification 9 ...

Страница 10: ...10 ...

Страница 11: ...LCD Panel Specification General Specifications Mechanical Information 11 ...

Страница 12: ...Optical Specifications 12 ...

Страница 13: ...Supported Timing 13 ...

Страница 14: ...nel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel and the DC DC conversion The Adapter will provide the 12V DC power to inverter power board Video signal DDC Inverter Board Flat Panel and CCFL backlight Main Board Keyboard HOST Computer CCFL Drive AC IN 100V 240 14 ...

Страница 15: ...Main Board Diagram LCD Interface Scalar RTD2025L QFN 48 Include ADC OSD etc MCU RTD2120L LF OSD Control Connector D SUB Interface Keypad 24MHZ Crystal 15 ...

Страница 16: ...Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 16 ...

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

Страница 18: ...cription Symbol Description U201 AP1117E33LA X401 24MHZ 30PF 49US U401 IC MCU RTD2120L LF REALTEK CN201 WAFER 9P RIGHT ANELE PITCH U402 AZ431AN A E1 CN202 WAFER U501 SCALER IC RTD2025L QFN 48 CN601 CONN W TO B12P 2 P 2 0 4505 2 18 ...

Страница 19: ...Adjusting the viewing angle 19 ...

Страница 20: ...Rear Bezel Item Description Item Description 1 Power Cable 2 Signal Cable 20 ...

Страница 21: ...e 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 Item Description 1 Auto Config Exit 4 2 5 MENU ENTER 3 Power Button Power Indicator 21 ...

Страница 22: ...Front Panel Control 22 ...

Страница 23: ...ow 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 Analog Only Model 23 ...

Страница 24: ...b The Description For Function Control LEDS 24 ...

Страница 25: ...25 ...

Страница 26: ... 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 Analog Only Model When the video cable is not connected will show this message This message will be flying No Signal Analog Only Model When the video cable is connected but there is no active signal input will show this message...

Страница 27: ...e is no video input signal present When there is no video input signals 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 automatically redrawn The appearance is similar to a Screen Saver feature except the display is comple...

Страница 28: ...sassembly Chapter 3 This chapter contains step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the screws to release base stand and gemel Fig 1 3 Fig 1 Fig 2 28 ...

Страница 29: ...Fig 3 2 Remove the screws to remove the back cover Fig 4 Fig 4 29 ...

Страница 30: ...3 Remove the screws to remove the shield Fig 5 Fig 5 4 Remove the bezel Fig 6 Fig 6 30 ...

Страница 31: ...5 Remove the screws to remove the panel Fig 7 9 Fig 7 Fig 8 Fig 9 31 ...

Страница 32: ...6 Remove the screw to remove the main board Fig 10 Fig 10 7 Remove the screws to remove the power board Fig 11 12 Fig 11 32 ...

Страница 33: ...Fig 12 33 ...

Страница 34: ...ook if the picture is normal NG NG Reinsert or check the power section Please reinsert and make sure the AC of 100 240 is normal OK Check if X401 oscillate waveforms are normal OK NG Replace U201 OK OK NG Replace X401 Replace U401 Measure CN201 Pin3 5V Measure U201 Pin 3 5V U201 Pin 2 3 3V if the picture is normal NG Replace U501 34 ...

Страница 35: ...NG Replace U201 OK Check if X401oscillate waveforms are normal NG Replace X401 OK Check if the sync signal from computer is output and video cable is connected normally Replace U401 U501 Input the sync signal of computer or change the cable NG OK 35 ...

Страница 36: ... Q601 Q602 In normal operation when LED green R601 5 V If PPWR no response when the power switch Turn on and turn off replace the U401 RTD2120L OK NG 4 Keypad Board 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 36 ...

Страница 37: ...K OK NG NG Change Q805 Q808 or Q810 Check C802 12V NG NG Check the output of PT801 Check the resonant wave of pin6 pin1 for PT801 CheckQ801 Q802 Q804 Q811or Q812 NG Replace IC801 Change IC801 Check the pin9 10 of IC801 have PWM wave OK OK NG Check Q809Q801 Q802 Q811 Q812 OK NG Change PT801 OK Check connecter lamp 37 ...

Страница 38: ...Connector Information Chapter 5 The following figure shows the connector locations on the monitor 38 ...

Страница 39: ...l For whatever 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 s...

Страница 40: ...Exploded Diagram Model AL1702W 40 ...

Страница 41: ...Part List Above picture show the description of the following component Item Picture Description 1 Base 2 shield 3 Key board 4 Panel 41 ...

Страница 42: ...5 Power Board 6 Main Board 42 ...

Страница 43: ... Title Size Document Number Rev Date Sheet of R210 10K 1 16W C210 0 1uF 16V CMVCC Mute VCC3 LED_R R207 120R 1 16W 07 01 10 change to Elite ZD202 NC 1 2 BKLT EN High ON 3 3V INV_ON 4 LED_G R201 200 1 16W POWER_KEY LED_R 4 KEY0 4 KEY0 Volume 4 Panel ID 3 3V PWM VCC3 Mute 4 C206 0 1uF 16V C204 0 1uF 16V ZD203 NC 1 2 Near to Connect LED_G Q204 PMBS3906 C202 100uF 25V KEY1 4 U201 AP1117E33LA 1 2 3 VSS ...

Страница 44: ... 14 15 10 17 16 RTD_B 5 R304 2 2K 1 16W DSUB_CONNECT 4 G2498 A AC X 1 070307 2 INPUT B 3 6 Wednesday March 07 2007 Title Size Document Number Rev Date Sheet of VGA_B ZD304 UDZS5 6B 1 2 R309 100R 1 16W VGA_R R312 100R 1 16W CMVCC R313 100R 1 16W R308 100R 1 16W D302 BAV99 3 1 2 DDC1_SDA 4 RTD_G 5 R311 100R 1 16W RTD_V 5 VGA_G FB302 BEAD 1 2 VGA_R R314 75R 1 16W ZD301 UDZS5 6B 1 2 R310 75R 1 16W R30...

Страница 45: ...01 to X401 PPWR_ON R401 3 9K 1 16W R416 10K 1 16W MCU_VCC_S R431 6K8 1 16W Volume 2006 11 3 change R431 from 1K to 6 8K LED_G R423 1K 1 16W C410 0 1uF 16V C409 NC 22pF 16V CMVCC IICSCL KEY0 C405 10uF 50V C412 1uF 10V DSUB_5V MCU_VCC DDC1_SDA 3 R424 1K 1 16W R409 NC 100R 1 16W R415 6K8 1 16W DDC1_SCL LED_G 2 C404 NC 0 22uF 2 LED_R 2 C403 0 1uF 16V R412 4K7 1 16W R425 10K 1 16W R428 22R 1 16W R420 1...

Страница 46: ...DI C505 22uF 50V RXO1 RTD_G R1 8DVCC R1 8DVCC RXE0 RXE3 LVDS_O5 RXE1 RXO3 LVDS_O 0 9 6 RXE3 RXOC RXO0 R1 8DVCC LVDS_O2 LVDS_O7 VCC3 LVDS_E3 RXO2 FB503 120 RXE1 RTD_SD3 SDI 4 LVDS_E4 RXO1 RXO2 CRYSTAR_OUT RXOC G2498 A AC X 1 070307 2 RTD2525L B 5 6 Wednesday March 07 2007 Title Size Document Number Rev Date Sheet of U501 RTD2025L QFN 48 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...

Страница 47: ...day March 07 2007 Title Size Document Number Rev Date Sheet of AO3401L LVDS_E1 LVDS_O3 R606 NC R0805 PANEL_VCC RXEC RXE1 Q602 PMBS3906 S PPWR_ON 4 LVDS_E6 R601 10K 1 16W CMVCC RXO0 LVDS_O8 C604 47uF 25V R602 330R 1 8W RXE1 RXE0 RXE3 LVDS_O9 1 RXO2 RXO1 LVDS_O0 RXEC RXO3 FB601 120 RXO0 RXO1 2 LVDS_O5 LVDS_O1 RXE3 Q601 AO3401 RXO3 RXO2 RXE2 G RXE2 RXO3 RXEC RXO1 RXOC LVDS_E 0 9 5 LVDS_O4 RXE0 LVDS_E...

Страница 48: ...903 1 1uH D915 LL4148WP CN901 SOCKET 1 2 3 L904 1 1uH C915 470uF 16V SG902 NC D905 SP1060 1 2 3 R901 680K 1 4W C907 100uF 450V C939 1000uF 16V R944 1K 1 4W C917 680uF 25V C930 0 1uF R933 300K 1 4W C905 0 1uF D906 SP10100 1 2 3 C925 NC C903 0 47uF 275V VAR901 Varistor R904 300K 1 4W FB901 BEAD 1 2 C918 680uF 25V IC904 KIA431A AT P C921 3300PF 250V G2545 1 X X 4 070316 1 2 Thursday March 15 2007 Tit...

Страница 49: ...B DTC CT RT GND C1 E1 E2 C2 VCC CONT VREF IN2 IN2 Q802 AM9945N T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D Q805 PDTC144WK R827 1K 1 10W 1 C839 1000pF D806 LL4148WP R811 4 7K 1 10W C801 15pF 3KV C819 0 0022uF R813 1K 1 10W R862 1M 1 10W 5 R855 33 1 4W R826 1K 1 8W DTC R807 10K 1 10W C835 NC C834 0 1uF 25V D807 LL4148WP R850 22R 1 8W R801 1K 1 10W 1 R854 NC R864 NC D811 NC Q809 RK7002 R810 51K 1 1 8W D812...

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