Acer AL1917 Скачать руководство пользователя | Manualshive

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36

2. PWPC
No Power

Check AC line volt 110V or 220V

OK

Check AC line

Check the voltage of C907(+)

Check F901, bridge rectified circuit

Check start voltage for the pin8 of IC901

Check R905, IC901 Output short

Check the auxiliary voltage is between 10V-27.5V

Check IC901,T901

Q900,RJ901,R912

Check D920, D921, IC902

No power

NG

NG

OK

NG

OK

NG

OK

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Содержание AL1917

Страница 1: ...Acer AL1917 Service Guide ...

Страница 2: ...1 Service Guide Version and Revision No Version Release Date Revision TPV Model Name 1 1 0 Apr 20 06 Initial release T986KA5HKGAEAP ...

Страница 3: ...d 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 property of their respective owne...

Страница 4: ...erference 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 recep...

Страница 5: ...ose 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 ...

Страница 6: ...t 14 Main Board Layout 16 Front Bezel 17 Installation Instructions 18 Chapter 2 Operating Instructions 19 External Controls 19 Adjusting the picture 20 Hot Key Menu 23 OSD Message 23 LOGO 24 Chapter 3 Machine Disassembly 25 Chapter 4 Troubleshooting 33 Chapter 5 Connector Information 38 Chapter 6 FRU Field Replacement Unit List 39 Exploded Diagram 40 Chapter 7 Schematic Diagram 42 Main board 42 Po...

Страница 7: ...roduct 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 Before you operate the monitor Features 48 cm 19 TFT Color LCD Monitor Crisp Clear Display for Windows Recommended Resolutions 1280 ...

Страница 8: ...4 60 Hz all white Contrast control Set to factory preset value which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Color temperature 7800 K Brightness control Set to Factory preset value cut off raster Analog Input signal 700 mVss Picture position and size Factory preset value Viewing angle 90 H and V Viewing distance 40 cm for LCD performance 20 c...

Страница 9: ...kHz Input V Frequency 55 75 Hz Display Colors 16 2M Colors Dot Clock 135 MHz Max Resolution 1280 1024 75 Hz Plug Play VESA DDC2BTM ON Mode 37W EPA ENERGY STAR OFF Mode 1W Input Connector D Sub 15pin Input Video Signal Analog 0 7 Vp p standard 75 OHM Positive Horizontal 376 32 mm Maximum Screen Size Vertical 301 056 mm Power Source 100 264VAC 47 63 Hz Operating Temp 5 to 50 C Storage Temp 20 to 65 ...

Страница 10: ... Center cd m2 270 center Typ 7mA Contrast Ratio 550 1 Typ Optical Response Time msec 8 ms Typ on off Color Saturation 72 NTSC Nominal Input Voltage VDD Volt 5 0 V Weight Grams 2700 Max Physical Size mm 396 H x 324 V x 18 D Typ Support Color 16 2M colors RGB 6 bit data FRC data Temperature Range Operating Storage Shipping 0 C 0 C 0 to 50 20 to 60 TCO 03 compliance TCO 03 compliance Surface Treatmen...

Страница 11: ...10 Optical Specifications Measuring Condition Ta 25 C ...

Страница 12: ...support modes to accommodate the above mode and other video modes within the frequency range of the monitor 85Hz refresh rate Support Monitor should display 85Hz refresh rate mode as emergency mode Monitor should display Out of Range warning menu at this mode ...

Страница 13: ... flat panel control logic brightness control logic and DDC The Inverter board will drive the backlight of panel Video signal DDC Power Board Inverter adapter 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 ...

Страница 14: ...rd Diagram Panel Interface CN101 TSUM16AK Include ADC OSD U401 Flash Rom U402 OSD Control Interface Key pad D Sub Connector CN405 EEPROM U403 EEPROM U404 R G B Hsync Vsync RXD TXD DB15_SDA DB15_SCL EPR_SDA EPR SCL ...

Страница 15: ...14 Software Flow Chart 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 ...

Страница 16: ... set 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 ...

Страница 17: ... 1 HEAT SINK U401 056G 562100 TSUM16AK U702 056G 563 21 AP1084K33LA U406 056G 643 5A MAX810 STRG U404 056G1133 34 M24C02 WMN6TP U403 056G1133 56 M24C16 WMN6TP CN901 087G 501 32 S AC SOCKET CN902 095G8014 12 42 HARNESS CN102 033G8032 4C WAFER CN101 033G803412D WAFER ...

Страница 18: ...ure 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 Front Panel Control Item Description Item Description 1 Auto Adjust Exit 4 MENU ENTER 2 5 Power Button 3 6 Power Indicator ...

Страница 19: ...or optimal viewing it is recommended to look at the full face of the monitor then adjust the monitor s angle to your own preference Hold the stand so you do not topple the monitor when you change the monitor s angle You are able to adjust the monitor s angle from 5 to 15 ...

Страница 20: ...s when OSD is ON or adjust a function when function is activated Volume Activates the volume control when the OSD is OFF or navigate through adjustment icons when OSD is ON or adjust a function when function is activated Auto Adjust button Exit 1 When OSD menu is in active status this button will act as EXIT KEY EXIT OSD menu 2 When OSD menu is in off status press this button for 2 seconds to acti...

Страница 21: ...ning it Adjusting the Picture a How to Adjust the Setting 1 Press the MENU button to activate the OSD window 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 ...

Страница 22: ...EPROM 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 Traditional Chinese 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...

Страница 23: ...del Auto Config N A Auto Adjust the H V Position Focus and Clock of picture Information N A Show the resolution H V frequency and input port of current input timing Reset N A Clear each old status of Auto configuration and set the color temperature to Cool Exit N A Exit OSD ...

Страница 24: ...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 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 thi...

Страница 25: ...ere 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 comp...

Страница 26: ...nance The tools for disassemble Disassembly Procedure Disassemble the base 1 Remove hinge cover Fig 1 2 2 Remove four screws mark in red to remove stand base Fig 3 4 Fig 1 Chapter 3 Resinous slice Use to separate the front cover and the rear bezel Special tool Be used to remove the VGA DVI SCREWS Screws Driver ...

Страница 27: ...26 Fig 2 Fig 3 Fig 4 ...

Страница 28: ...27 Disassemble the rear bezel 1 Remove four screws mark in red to remove back cover Fig 5 7 Fig 5 Fig 6 ...

Страница 29: ...28 Fig 7 Disassemble the shield 1 Remove four screws mark in red to remove the shield Fig 8 9 Remove the shield as arrow direction Fig 8 ...

Страница 30: ...move three screws mark in red to remove main board 2 Remove two screws mark in red to remove audio board 3 Remove five screws mark in red and remove AC BKT with green to remove Power board 4 Remove connector wire with main audio and power board Fig 10 ...

Страница 31: ...30 Fig 11 5 Remove one screws mark in red to remove Key board Fig 11 12 Fig 11 Fig 12 ...

Страница 32: ...ble the front cover Fig 13 1 Pay attention to some hooks then open it with little force till the front cover and Panel frame separated 2 The position marked with ellipse exists some hooks Fig 13 Fig 14 right left ...

Страница 33: ...32 Fig 15 Fig 16 Fig 17 Top Top bottom bottom ...

Страница 34: ...re The button if under control Replace U402 Measure Q702 D701 1 8V U702 PIN2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Replace Q702 or D701 U705 OK OK OK OK OK NG NG NG Check reset circuit of U406 is normal Check HS VS from CN405 is normal Replace X401 Check Correspondent component NG NG ...

Страница 35: ...is high level 5V X401 oscillate waveform is normal Check Q706 is broken or CN405 solder Check Correspondent component Replace PANEL Check Correspondent component Replace U406 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U406 is normal ...

Страница 36: ... 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 37: ... Check the voltage of C907 Check F901 bridge rectified circuit Check start voltage for the pin8 of IC901 Check R905 IC901 Output short Check the auxiliary voltage is between 10V 27 5V Check IC901 T901 Q900 RJ901 R912 Check D920 D921 IC902 No power NG NG OK NG OK NG OK ...

Страница 38: ...bridge power conversion circuit and transformer output circuit Check ISEN pin 5 normally NG Check ISEN loop components End Striking function debug Check VSEN pin 6 of IC801 Judge VSEN 0 7V OVPT Check VSEN circuit form lamp s return to VSEN pin 6 of IC801 Check pin3 voltage of D801 D803 2W End VSEN circuit and protection loop debug Check protection circuit components short open or fail NG NG OK OK ...

Страница 39: ...tions on the main board Pin No Description Pin No Description 1 Red Video 9 5V 2 Green Video 10 Logic Ground 3 Blue Video 11 Monitor Ground 4 Monitor Ground 12 DDC Serial Data 5 DDC Return 13 H Sync 6 R Ground 14 V Sync 7 G Ground 15 DDC Serial Clock 8 B Ground Chapter 5 ...

Страница 40: ...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 41: ...agram ...

Страница 42: ...41 Part List Above picture show the description of the following component Item Picture Part No 1 Q34G0002 RX 1B 2 033G4868 RX L 3 Q34G0001 QWA1B 4 Q15G8313AER 1 Q85G0001 1 S ...

Страница 43: ...tents D Comments E Ver 5 05 09 05 U402 PIN 3 э CN404いみ翴狾娩簿1mm Q702э SOT 223 Type CONTENTS 2 05 26 05 03 02 05 SCALAR REVISION HISTORY F INPUT 03 16 05 эPCB Layout EMI癸郸 3 Date B 0 ADD_KEY_A KEY_B KEY_C function power pinэ 25 PIN Preliminary PANEL INTERFACE Doc RevCode Title A 1 8 Monday May 30 2005 Title Size Document Number Rev Date Sheet of SHEET 04 01 05 C Chapter 7 ...

Страница 44: ...RFACE VLCD PA 0 7 PA 8 13 ESP PA 14 19 PB 0 5 PB 6 11 GPO 0 4 OSP VLCD_12V PB 12 23 PA 14 19 PA 0 7 VCC3 3 3V3 B2 2 POWER on_Panel on_BACKLIGHT Adj_BACKLIGHT 3V3 VCC1 8 VLCD 5V VCTRL PC5V VCC5V VCC3 3 on_PANEL_12V VLCD_12V 12V PA 8 13 5V PB 0 5 TSUM16AK SCHEMATIC VLCD VCC1 8 TOP A TSUM16AK B 0 5 Monday May 30 2005 Title Size Document Number Rev Date Sheet of PB 12 23 VLCD_12V PC5V B3 3 INPUT RIN G...

Страница 45: ...9 R726 NC 4K7 R721 0 1 16W D702 1N4148 P S The 1N4148 Vf 0 7V 1V can t meet LDO spec The BAT42 Vf is OK but the If 200mA forward current can not meet current spec R730 0 1 16W R708 10K 1 16W R703 2K 1 16W R33 P W M 4K7 X 12V PC5V 3 D704 SSM12L Vf 0 38V and If 1A So when system power on the system loading is about 400mA 3 3V is about 200mA and 1 8V is about 200mA So D35 changed from 1N4148 or BAT42...

Страница 46: ... 100 1 16W DET_DVI 4 SCL_VGA R439 75 1 16W R462 10 1 16W R454 100 1 16W D416 LL5232B 5 6V 5 R440 75 1 16W D419 BAV99 3 1 2 C453 0 1uF R463 10 1 16W DAT1 C436 0 047uF C433 0 047uF C446 0 1uF GNDB 4 ESD_5V R449 2 2K 1 16W B 4 INPUT A TSUM16AK B 1 5 Monday May 30 2005 Title Size Document Number Rev Date Sheet of PC5V CN405 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R436 56 1 16W C442 33pF DAT0 C4...

Страница 47: ...PIO_P17 SAR0 GPIO_P00 SAR1 GPIO_P01 SAR2 GPIO_P06 GPIO_P07 GPIO_P13 GPIO_P14 GPIO_P16 DDCROM_SDA DDCROM_SCL RST GA2P NC GA4 GA2N NC GA5 GA1P NC GA2 GA1N NC GA3 BA3P NC BA6 BA3N NC BA7 BA2P NC BA4 BA2N NC BA5 BA1P NC BA2 BA1N NC BA3 RB1P NC RB2 RB1N NC RB3 RB2P NC RB4 RB2N NC RB5 RB3P NC RB6 RB3N NC RB7 GB1P NC GB2 GB1N NC GB3 GB2P NC GB4 GB2N NC GB5 GB3P NC GB6 GB3N NC GB7 BB3P NC BB6 BB3N NC BB7 ...

Страница 48: ...3 CLKAN OSP LVB2P RA2P RP1 PA13 PB 6 11 4 0R NC PB4 LVBCKM LVA2M BB2N PA2 RA1N R102 NC 0 PB 0 5 PA3 NC CN9 RXOC PANEL INTERFACE A TSUM16AK B 1 5 Monday May 30 2005 Title Size Document Number Rev Date Sheet of LVA2P RA2N X LVB1M RXE0 LVBCKM FG2P R103 NC PA 8 13 4 NC PB11 PB12 PA18 R88 GB1N PA14 CLKBN HannStar 15 LG 15 NC RB3P PA17 FB0P NC PB16 BB2P GA2N CLKAP 0R LVBCKP FCLKP ESP 4 NC X PB21 PA4 12V...

Страница 49: ...2 0 1 8W ZD921 RLZ13B 1 2 C913 220pF 50V N C ZD901 RLZ27B 1 2 C909 0 47uF 250V C926 1000uF 16V C911 22uF 50V ZD920 TPSMP9 1A E3 DO 220AA 1 2 N C D921 FMW 2156 1 2 3 R922 470 1 4W C922 680uF 25V L902 L 1 4 2 3 J903 TIN COATED D916 LL4148WP R923 10K 1 10W D901 UF4003PT 12V R927 100 1 10W D910 LL4148WP R928 1K 1 4W C930 0 1uF 50V J905 TIN COATED C923 680uF 25V D922 3A 60V DIM J910 TIN COATED HS4 Q900...

Страница 50: ...38 0 1 8W R829 15 1 8W D802 BAV99 3 1 2 1Mohm brust frequency 400HZ N C R844 39K 1 10W R821 100K 1 10W R825 560 1 10W R808 470K 1 8W C812 1500PF 50V R803 10K 1 10W Q803 PMBS3904 3 2 1 N C R840 33K 1 8W J820 TIN COATED C820 470UF 25V R807 22 1 8W J823 TIN COATED Q806 AM9945 1 2 3 4 5 6 7 8 S1N G1N S2P G2P D2P D2P D1N D1N C837 0 ohm C832 100PF 50V 12V N C R823 75K 1 10W C830 100PF 50V C813 1500PF 50...

Страница 51: ...0 1uF LED ORANGE SW005 LCD ON OFF R101 0 1 16W SPKR_R SPKR_R R105 0 1 16W R113 NC 1 16W SPKR_R CN102 33G8032 4C 1 2 3 4 R102 0 1 16W SPKR_L R107 0 1 16W R104 0 1 16W KEY AUTO CONTROL KEY PAD Switch B 715G1944 1 AOC Top Victory Electronics Co Ltd A4 1 1 Tuesday April 11 2006 Title Size Document Number Rev Date Sheet of VCC3 3 C104 0 1uF KEY RIGHT SW004 KEY LEFT KEY_MENU R111 NC 1 16W R103 0 1 16W D...

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