Acer V173 Service Manual Download Page 16

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Panel Relative Humidity

JP777-E02

Input Signals

Video input

•

Type

Analog R, G, B.

DVI (option)

•

Input Impedance

75 ohm +/- 2

•

Polarity Positive

•

Amplitude

0 - 0.7 +/- 0.05 Vp

•

Display Color

same as LCD panel

Sync input

•

Signal

separate horizontal and vertical sync, or composite sync
which are TTL compatible

•

Polarity

positive and negative.

Interface frequency

The following frequency range is generalized by supported timing. If the entered

mode does not match the supported timing the display optimization will not be

assured.

•

Horizontal Frequency

30KHz --80KHz

•

Vertical Frequency

49Hz -------75Hz

Summary of Contents for V173

Page 1: ... 1 Acer V173 Service Guide Service guide files and updates are available on the CSD web for more information Please refer to http csd acer com tw ...

Page 2: ...ect to the contents hereof and specifically disclaims any warranties of merchantability or fitness 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 of its dealer assumes the entire cost of all necessary servicing repair and any...

Page 3: ...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...

Page 4: ...ed to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving 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 Warning Use only shielded signal cables ...

Page 5: ...ur home consult your dealer or local power company z 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 purp...

Page 6: ...ay find slightly uneven brightness in the screen depending on the desktop pattern you use z 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 z 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 t...

Page 7: ...pter 1 Monitor Feature 8 Chapter 2 Operating Instruction 27 Chapter 3 Machine Disassembly and Replacement 42 Chapter 4 Troubleshooting 56 Chapter 5 Connector Information 59 Chapter 6 FRU List 60 Chapter 7 Schematic Diagram 70 ...

Page 8: ...nology 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 20k hours or more Comparison Chart of AV578 577 AV878 877 AV578 577 AV878 877 Panel Normal 17 panel M170EG01...

Page 9: ...ttings 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 110Vac or 230Vac Ambient temperature 20 5 C 68 9 F Analog input mode 1280 x1024 60 Hz MEASUREMENT SYSTEMS The units of measure stated in this document...

Page 10: ... 10 LCD monitor General specification AUO M170EG01 VD General specification ...

Page 11: ... 11 Optical specifications ...

Page 12: ... angle range 10 CR Note 2 Definition of Contrast Ratio CR Ratio of gray max Gmax gray min Gmin at the center point of panel Luminance with all pixels white Gmax CR Luminance with all pixels black Gmin Note 3 Definition of Response time Sum of TR TF ...

Page 13: ...ecuted Measurement should be executed n a stable windless and dark room 30 min after lighting the back light This should be measured in the center of screen Dual lamp current 13 0mA 6 5mA x2 Refer to the note 1 in the page 14 for more information Environment condition Ta 25 2 C Optical characteristics measurement setup ...

Page 14: ...inition of Flicker level Flicker Voltage pp F x 100 LMD Voltage dc One maximum value of three estimated values For this test an LMD Light Measurement Device is needed with adequate response time to track any visible rate flicker component and with a voltage level output proportional To luminance intensity Test Pattern For dot inversion Driving Gray levels of foreground dots on the test panel Are G...

Page 15: ...etermine that point proceed as follows Using the background and foreground gray levels of step1 Gbkg and Gfg Turn on each box at a time Look for the case with the worst shadowing The box causing the worst case is the shadowing source or Bsrc Use Bsrc and the box opposite from it that lies directly in the shadow path That is the target box or Btgt Note that box Eight be either Bsrc or Btgt dependin...

Page 16: ...D panel Sync input Signal separate horizontal and vertical sync or composite sync which are TTL compatible Polarity positive and negative Interface frequency The following frequency range is generalized by supported timing If the entered mode does not match the supported timing the display optimization will not be assured Horizontal Frequency 30KHz 80KHz Vertical Frequency 49Hz 75Hz ...

Page 17: ...8 40 VESA 600 60Hz 60 317 628 600 4 1 23 800x600 48 077 1040 800 120 56 64 50 VESA 600 72Hz 72 188 666 600 6 37 23 800x600 46 875 1056 800 80 16 160 49 5 VESA 600 75Hz 75 625 600 3 1 21 1024x768 48 363 1344 1024 136 24 160 65 XGA 60 004 806 768 6 3 29 1024x768 53 964 1328 1024 176 16 112 71 664 COMPAQ XGA 66 132 816 768 4 8 36 1024x768 56 476 1328 1024 136 24 144 75 VESA 768 70Hz 70 069 806 768 6 ...

Page 18: ... Monitor should display Out of Range warning menu at this mode Video input Connector Analog Video input Connector 15pins mini D Sub Table 2 4 5 Pin assignment for D sub connector PIN NO Separate Sync 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 GROUND 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 5V DDC 10 CABLE DETECTION 11 GROUND 12 SDA 13 H SYNC 14 V SYNC 15 SCL 15 10 5 1 6 11 D sub con...

Page 19: ... the power of the monitor is switched on no voltage may occur at pin 14 Pin Assignment of DVI D connector 1 TX2 9 TX1 17 TX0 2 TX2 10 TX1 18 TX0 3 Shield TX2 TX4 11 Shield TX1 TX3 19 Shield TX0 TX5 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC Serial Clock 14 5V power 22 Shield TXC 7 DDC Serial Data 15 Ground 5V 23 TXC 8 No Connect 16 Hot plug detect 24 TXC ...

Page 20: ... an main board an inverter power board key board and internal adapter which house the flat panel control logic brightness control logic and DDC The inverter board will drive the backlight of panel and the DC DC conversion Power board include AC DC inverter ...

Page 21: ... 21 BLOCK DIAGRAM System Block Diagram 24LC02B 24LC16 24LC02B ...

Page 22: ...ABEL Component U1 24LVC2B CN1 D SVB 15 PIN U3 TSU16AJ CN6 E T 4501 19 U6 24LC16B 24LVO2B CN3 E T 4501 09 U5 MX810 J502 E T 4501 05 U7 APM4461 J501 E T 4501 03 U4 PMX10E8D50I CN5 P TWO AFN300 30P U8 APL1085 3 3 CE U9 APL1117 2 5 VC U501 ATPA6019 ...

Page 23: ... 23 Software flow chart ...

Page 24: ...on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lift time of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out a interrupt request 14 Wake up the scalar 15 Are there any signal coming from analog port 16 Display Cable Not Connected message and go into standby mode after the message disappear 17 Program the scalar to...

Page 25: ...these settings the picture can be adjusted to your personal preferences z The power cord should be connected z Connect the video cable from the monitor to the video card z Press the power button to turn on the monitor position The power indicator will light up External Controls 1 LED 5 MENU ENTER 2 Power Key 6 Auto Adjust Key Exit 3 Volume 7 eCOLOR 4 Volume ...

Page 26: ...rt on your PC z Make sure connections are secure Connecting the AC Power z Connect the power cord to the LCD Monitor z Connect the power cord to an AC power source Connecting the Audio Cable z Connect the audio cable to the LINE OUT jack on your PC s audio card or to the front panel s AUDIO OUT jack of your CD ROM drive z Connect the other end of the audio cable to the LCD Monitor s AUDIO IN jack ...

Page 27: ...tion change or Adjust increase 4 Function change or Adjust decrease 5 Menu Function select 6 Auto Auto adjust or Exit OSD menu 7 e eColor management function Note 1 Press button 4 plus or minus at the same time can activate Volume Adjustment 2 When OSD Menu is off press button 5 auto at the same time can activate Auto Adjustment immediately 3 When into Factory mode press 4 plus minus and 1 power t...

Page 28: ...hen user press MENU button on front bezel A Acer eColor Management If selected to Acer eColor Management item will appear the Acer eColor OSD B USER If selected to USER item will appear the Standard OSD I Only Analog Input Model II Only Dual Input ModeI ...

Page 29: ...pability N A Graphic mode Enhances colors and emphasize fine detail N A Movie mode Displays scenes in clearest detail Pictures and photographs appear in vibrant colors with sharp detail B USER Main Menu icon Sub Menu icon Sub Menu item Description Contrast Adjust the contrast between the foreground and background of the screen image Brightness Adjust the background brightness of the screen image A...

Page 30: ...Blue Adjusts Red Green Blue intensity N A English N A 繁體中文 N A Deutsch N A Français N A Español N A Italiano N A 简体中文 N A 日本語 Multi language selection N A Suomi N A Hollands N A Русский EMEA version OSD only H Position Adjust the horizontal position of the OSD V Position Adjust the vertical position of the OSD OSD Timeout Adjust the OSD timeout N A Analog Select input signal from analog D Sub N A ...

Page 31: ...tion Show the resolution H V frequency and input port of current input timing N A Reset Clear each old status of Auto configuration and set the color temperature to Cool N A Exit Save user adjustment and OSD disappear ...

Page 32: ...t ta an nd da ar rd d Default settings Reflects native display capability T Te ex xt t Optimal balance of brightness and contrast prevents eyestrain The most comfortable way to read onscreen text G Gr ra ap ph hi ic cs s Enhances colors and emphasizes fine detail Pictures and photographs appear in vibrant colors with sharp detail M Mo ov vi ie e Displays scenes in clearest detail Presents great vi...

Page 33: ...SD Message Item Description Auto Config Please Wait When User Press Hot Key Auto will show this message and the monitor do the auto config function 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 When the video cable is not connected will show this message This mess...

Page 34: ...ess and Contrast value to Max 2 Auto Balance Adjust each R G B contrast gain and offset Method of auto adjust is depends on hardware Adjusted value of R G B gain shall be used for initial value of Contrast in user menu All value shall be adjustable manually This function shall be located in 3 tag of Factory menu 3 Factory color temp data edit Following data for color temp shall be editable manuall...

Page 35: ...sent 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 automatically redrawn The appearance is similar to a Screen Saver feature except the display is completely off The display is restore...

Page 36: ... VESA DPMS proposal 2 Power Consumption Meet VESA DPMS Proposal On mode 40Wmax Blue DPMS 2Wmax Amber DC power off 1Wmax Dark disconnection 2Wmax 1 Amber stand by suspend off mode 2 Dark DC power off Measured from AC input end of AC power and don t include audio at power saving state The stand by suspend and off mode recover to on mode about 3 seconds Plug Play EDID The monitor will be capable of s...

Page 37: ...ms 300Hz 20KH z 10dB 10d B Volume Max load 4 Ω Signal to Noise ratio 500m Vrms 1KHz 40dB Volume Max load 4 Ω Total harmonic distortion 500m Vrms 1KHz 1 except speakers distortion Cross talk 500m Vrms 1KHz 30dB Volume Max load 4 Ω Output Watt 500m Vrms 1KHz 0 5W Volume Max load 4 Ω Volume Control Analog Speakers Maximum power 1 W per speaker max Impedance 6 ohm 15 1kHz 1 0Hz Frequency response rang...

Page 38: ...le and Power cord according to the graphic and input power and signal 2 Turn on the monitor by clicking the power key and show the normal image 4 Press the Function key Function key Power key simultaneously and Factory Model is got into as below ...

Page 39: ... system Connection a PC Win XP b ISP tool c VGA cable d RS232 cable b Turn on the power of monitor 2 Install ISP BD driver on PC system a Click the ISP driver program port95nt exe b Click to next page VGA cable shall be connected to ISP out port ...

Page 40: ... ISP program on PC system Click the ISP program RTD2120_ISP_vXX exe 4 Load F W files There are two F W files XXX_code hex xxx_data hex a Hold on the K B Ctrl Key b Click to load F W file Ex C Code Acer Acer_code hex c Click to load F W file Ex C Code Acert Acer_data hex ...

Page 41: ...date F W e The ISP process would be finished after the menu occur the PASS message 5 We shall hold on the K B Ctrl key before we want to use below functions 1 Load F W files 2 Config Function 3 Verify CheckSum function ...

Page 42: ...e 4 Remove the stand neck Disassemble the chassis 1 To separate the back cover 2 Remove the two screws from hinge bracket 3 Disassemble the FFC form VL board 4 Remove the two screws from VGA connector four screws from VGA and DVI connector 5 Remove the two screws form chassis 6 Disassemble the FFC form panel connector 7 Disassemble four voltage lines from power board 8 Remove speaker four screws f...

Page 43: ...r line from VL board 5 Disassemble the FFC form VL board Disassemble the mylar 1 Remove the two mylars to release line from Chassis 2 Remove the one mylar to release line from Chassis Disassemble the key board 1 Remove three screw to release VK board from bezel 2 Disassemble the button from bezel Disassemble the panel bracket 1 Remove tow screws to release panel bracket R from penal 2 Remove tow s...

Page 44: ...44 Chapter 4 Troubleshooting Main Procedure Connect all of the Devices to AA677 ...

Page 45: ...45 Power Circuit and Backlights Troubleshooting ...

Page 46: ...46 Performance Troubleshooting ...

Page 47: ...47 Function Troubleshooting ...

Page 48: ...ideo input Connector Analog Video input Connector 15pins mini D Sub Table 2 4 5 Pin assignment for D sub connector PIN NO Separate Sync 1 RED VIDEO 2 GREEN VIDEO 3 BLUE VIDEO 4 GROUND 5 GROUND 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 5V DDC 10 CABLE DETECTION 11 GROUND 12 SDA 13 H SYNC 14 V SYNC 15 10 5 1 6 11 15 SCL ...

Page 49: ...om tw spl For whatever reasons a part number change is made it will not be noted in the printed Service Guide For ACER AUTHORIZED CERVICE PROVIDERS your Acer office may have a DIFFERENT part number code to 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 repair and service of customer machines NOTE To...

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Page 52: ...ECK ASSY AV698 AV5715 ABS 94HB MBK94 GP APAV571520I 6 CHASSIS Analog CHASSIS Dual VP949 VL949 D SUB GP ECAV571200I ECAV571210I ECAV571220I ECAV571230I 7 MYLAR UPPER MYLAR LOWER AV5743 FR700 T 0 43MM 94V0 GP AV5744 FR700 R 0 43MM 94V0 GP ELAV694300I ELAV694400I 8 SOCKET MYLAR AV5742 FR700 T 0 43MM 94V0 GP ELAV574200I 9 PANEL BRACKET_L AV5721 SECC T 0 8MM GP ECAV572100I 10 PANEL BRACKET_R AV5722 SEC...

Page 53: ...5749 Silicon 20X10X2T mm GP FHAV574900I 16 SCREW M3X0 5 4I NI GP FCAV574100I 17 SCREW M3X0 5 4I NI NL MAA0000320I 18 SCREW TPB 2 2 8I ZK MAB0000340I 19 SCREW SPECIAL 4 40UNCX12 7 WASHER D 5 0 GP MAAA001933I 20 SCREW MAB0000540I MAB0000540I 21 SCREW M4X0 7 8F NI GP MAA1000110I 22 TAPPING SCREW TPB 4 12I ZK GP MAB0000120I ...

Page 54: ...L 2W 6OHM C4020A R 2P 2W 6OHM C4020A L 3P CG10021V22I CG10021V23I 26 Power Inverter Board VP 949 LAV877TA_7 5mA 453ADS30L51 27 Main board VL 949 LAV578TA 461AG430L22 28 Main board VL 951 LAV878TA 461AG630L21 29 Main board VL 948 LAV577TA 461AG330L21 30 Main board VL 950 LAV877TA 461AG530L21 ...

Page 55: ...55 31 Main board to LCD Cable 30P G P1PAD0 65 30CM NBX3010710I ...

Page 56: ...ax Inverter brightness adjustment Burst mode Protection function auto recovery type Interface Signals Input 1 AC Inlet HUAJIE SA 4S 328 or compatible 2 J701 SC SCJ 0345 1 X 9 3 6D BLU 3P or compatible Output Connector Pin Assignment 1 The connecter was pitch 2 0mm PIN NO Function Function 1 5Vdc 5Vdc supply for logical board 2 5Vdc 5Vdc supply for logical board 3 Vbri Brightness control from logic...

Page 57: ... Turn on time Vin 110Vac 1 0 S 7 Efficiency Full load 70 8 Consumption Vin 240Vac no load 1 W AC DC Output Specification Tolerance Output Current Output Voltage MIN MAX Voltage Tolerance 5Vdc 5 3 0 05A 1 5A 4 85 5 25V dc 19Vinv 35 5 0A 2A 24 18Vdc 5Vaudio 5 0A 0 6A 4 75 5 25Vdc Ripple 1 5Vdc 50mVp p 19Vinv 190mVp p Noise 1 Measured at DC output terminals which are paralleled with a 10uf Ecap 0 1uf...

Page 58: ...ation For 17 Panel Condition Min Typ Max Unit Input Voltage 19 V Input Current 1 5 A ON 3 3 V Backlight ON OFF Control OFF 0 V Brightness Adjust Min Luminance Max Luminance 30 Output Voltage Vin 19V Iout 7mA 650 Vrms Brightness lamp current in 7mA 250 300 Cd m Output Current Each connector Vbri 0 45V 3 6V 3 7 5 8 mA Frequency 40 70 KHz Lamp start voltage 0 1650 Vrms Striking Time 1 S Lamp Current ...

Page 59: ...59 SAFETY Leakage Current 0 25mA 100Vac 3 5mA 264Vac Insulation Resistance more than 3M ohms while withstanding a voltage of 500Vac Hi Pot 3Kvac with using 3mA cut off current ...

Page 60: ...5S DC Switch off 1W Dark LED SYNC On means Normal operation SYNC Off means H sync F 10KHz duty cycle 25 V sync F 10Hz duty cycle 25 CONNECTORS CONTROLS Connectors Power Monitor rear side AC Inlet Analog RGB Monitor rear side Data Cable 15 pin D sub female male Pin Assignment of 15 pin D sub 1 Red Video 9 5V FOR DDC 2 Green Video 10 Detect 3 Blue Video 11 Serial Data for ISP 4 Serial Clock for ISP ...

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