Acer V193 Page 68 Service Manual Download | Manualshive

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Summary of Contents for V193

Page 1: ... 1 Acer V193 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: ...RICAL SPECIFICATION 35 SAFETY 37 Chapter 2 Operating Instruction 39 CONTROLS 39 MAIN OSD MENU 40 OSD MESSAGE 42 PLUG AND PLAY 44 WHITE COLOR TEMPERATURE 45 AUDIO TECHNICAL SPECIFICATION 45 Chapter 3 Machine Disassembly and Replacement 47 DISASSEMBLY PROCEDURE 47 Chapter 4 Troubleshooting 50 TROUBLESHOOTING 54 Chapter 5 Connector Information 55 CONNECTOR INFORMATION 58 Chapter 6 FRU List 59 PART LI...

Page 8: ... 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 20k hours or more Comparison Chart of AV698 699 AV898 899 AV698 699 AV898 899 Panel Normal 19 panel AU ...

Page 9: ...ontrol 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 are listed below 1 gamma 1 nano tesla 1 tesla 10 000 gauss cm in x 2 54 lb kg x 2 2 degrees F C x 1 8 32 degrees C F 32 1 8 u 4x 2x 12y 3 v 9y 2x 12y 3 x 27u 4 9u 2 12v 9 y 3v 9u 2 12v 9 ni...

Page 10: ...ng 300 typical AU 270 typical Response time Tr Tf LG Ta 25 C 2 10ms typical Samsung Ta 25 C 1 7 6 3ms typical AU Ta 25 C 5 6 2 4ms typical Display color LG 16 2M color with FRC Samsung 16 7M AU 16 2M color with FRC Viewing angle CR 10 LG L R 70 70 U D 70 70 Samsung L R 75 75 U D 75 60 AU L R 70 70 U D 75 60 Luminance Uniformity LG 1 3 max Samsung 25 max AU 70 min ...

Page 11: ... 11 LCD Panel Specification LCD Panel Model LM190E08 TLL1 General specification Optical specifications ...

Page 12: ...l pixels black Gmin Note 3 Definition of Response time Sum of TR TF Note 4 After stabilizing and leaving the panel alone at a given temperature for 30 min the measurement should be executed 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 13: ...Optical characteristics measurement setup Notes 5 Definition of Luminance of White measure the luminance of white at center point Notes 6 Definition of 9 points brightness uniformity Measuring points Refer to the Note 5 AU Bmin BUNI X 100 ...

Page 14: ...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 G22 G32 and G45 Test Point Center point of the display area Note 8 Definition of Crosstalk Refer to the V...

Page 15: ... 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 depending on the shadowing conditio...

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: ...88 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: ...resh rate mode as emergency mode 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...

Page 19: ...X2 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 In case the power of the PC unit is switched off and the power of the monitor is switched on no voltage may occur at pin 14 Color of plastic parts Blue PC99 ...

Page 20: ...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 The Adapter will provide thr 12V DC power to inverter power board Power board include AC DC inverter ...

Page 21: ... 21 BLOCK DIAGRAM System Block Diagram ...

Page 22: ... LABEL Component U1 UZ1084L 33 CN1 E T 4500 08 4500 06 U4 RTD2120 CN2 E T 4501 19 U5 RTD2025 2045 2525 2545 CN3 D SVB 15 PIN U501 ATPA6019 CN4 P TWO AFN300 30P CN201 E T 4500 03 CN500A E T 4500 02 CN500B E T 4500 03 CN501 NC CN502 E T 4500 03 ...

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

Page 24: ...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 25: ...ct one end of the signal cable to the LCD Monitor s VGA port z Connect the other end of the signal cable to the VGA port 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 ...

Page 26: ...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 27: ...ctrical specification 3 4 1 1 Input Specification No Item Condition Min Typ Max Unit 1 Input Voltage 100 240 Vac 2 Input requency 47 63 Hz 3 Input Current 0 8 Arms Cold Start Vin 100Vrms 30 A0 P 4 Inrush Current Cold Start Vin 240Vrms 50 A0 P 5 Hold Up Time full load 100Vac input 10 ms 6 Turn on time Vin 110Vac 1 0 S 7 Efficiency Full load 70 8 Consumption Vin 240Vac no load 1 W ...

Page 28: ...der Sh Power line on off 10 5Vdc load regulation test the 19Vinv loading at 2 0A 19Vinv load regulation test the 5Vdc loading at 1 5A 3 4 1 3 Protection function 1 SCP Short circuit protection must be acted on both outputs 2 OPP Should be protected when output power consumption is within 55W Inverter Electrical Specification For 19 Panel Condition Min Typ Max Unit Input Voltage 19 V Input Current ...

Page 29: ...fficiency Vin 19V 80 The open lamp voltage is testes at output connector terminal 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 30: ...5S DC Switch off 1 W 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...

Page 31: ...on 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 3 plus or 4 minus at the same time can activate Volume Adjustment 2 When OSD Menu is off press button 6 auto at the same time can activate Auto Adjustment immediately 3 When into Factory mode press 3 plus 4 minus and 2 power...

Page 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 38: ...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 39: ...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 40: ...01 6500K 0 313 0 329 0 03 0 198 0 469 u v 0 01 User TCO 0X A 2 6 1 requirement User should follow Microsoft Windows Color Quality Specification for Liquid Crystal Display OEM s http www microsoft com hwdev tech color ColorTest asp Audio Technical specification General Description Output power 1W 1W maximum Total harmonic distortion Less than 1 except speakers distortion Input signal sensitivity 0 ...

Page 41: ... Audio Voltage Gain 500m Vrms 1KHz 6 d B Volume Max load 4 Ω Frequency Response 500m Vrms 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 ...

Page 42: ...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 43: ... 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 44: ... 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 45: ...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 46: ...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 form panel brack...

Page 47: ...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 48: ...48 Chapter 4 Troubleshooting Main Procedure ...

Page 49: ...49 Power Circuit and Backlights Troubleshooting ...

Page 50: ...50 Performance Troubleshooting ...

Page 51: ...51 Function Troubleshooting ...

Page 52: ...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 53: ...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 56: ...ASSY AV698 AV5715 ABS 94HB MBK94 GP APAV571520I 7 CHASSIS DUAL CHASSIS ANALOG VP949 VL949 D SUB GP ECAV691100I ECAV691110I ECAV691120I ECAV691130I 8 MYLAR UPPER MYLAR LOWER AV5743 FR700 T 0 43MM 94V0 GP AV5744 FR700 R 0 43MM 94V0 GP ELAV694300I ELAV694400I 9 SOCKET MYLAR AV5742 FR700 T 0 43MM 94V0 GP ELAV574200I 10 PANEL BRACKET_L AV6921 SECC T 0 8MM GP ECAV692100I 11 PANEL BRACKET_R AV6922 SECC T...

Page 57: ...AV574100I 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 23 panel LM190E08 TLL1 19 A AC6VG1902R3 24 Function Board VK 948 454AEN30L11 ...

Page 58: ...6 Power Inverter Board VP 949 LAV699GA_7 5mA 453ADS30L11 27 Main board VL 949 LAV698GA 461AG430L13 28 Main board VL 951 LAV898GA 461AG630L12 29 Main board VL 948 LAV699GA 461AG330L12 30 Main board VL 950 LAV899GA 461AG530L12 31 Main board to LCD Cable 30P G P1PAD0 65 25CM NBX3010690I ...

Page 59: ...59 Chapter 7 Schematic Diagram ...

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