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Service Guide Acer V193W

BackLight Unit

Panel Block Diagram for 2 CCFL

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Содержание V193W

Страница 1: ...Acer V193W Service Guide for NT68167 1 ...

Страница 2: ...Service Guide Acer V193W Service Guide Version and Revision Version Release Date Revision History TPV model A00 Apr 28 2010 Initial Release T99SNFDYW7AFNCJ T99ANFDYW7ZYNCJ 2 ...

Страница 3: ...rchase 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 Intel is a registered trademark of Intel Corporation Pentium and Pentium II III are trademarks of Intel Corporation Other brand and product names are trademarks and or registered trad...

Страница 4: ...armful interference 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 televi...

Страница 5: ...the safety purpose of the grounded plug 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 Do not overload power strips and extension cords Overloading can result in fire or electric shock Never push any object into the slot on the monitor cabinet It could short circuit parts causing a fire or ...

Страница 6: ...cteristics 12 BackLight Unit 13 Panel Block Diagram 13 Optical Characteristics 14 LVDS pin assignment 15 Chapter 3 Operating Instructions 16 Installation 16 Attaching Removing the Base 16 Front Button Controls 17 eColor Management OSD 18 How to Adjust a Setting 19 OSD Message 22 Factory Mode OSD 23 Chapter 4 Machine Disassembly 25 Disassembly Procedure 25 Chapter 5 Troubleshooting 29 Chapter 6 FRU...

Страница 7: ...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 Monitor Block Diagram The LCD MONITOR will contain a main board a power board and key board which house the flat panel control logic brightness control logic and DDC The power b...

Страница 8: ...ncy 30kHz 80kHz V Frequency 55 75Hz Input Dot Clock 140MHz max Viewing angle H 160 V 160 Type Display Colors 16 7M Display mode 1440 x 900 75Hz ON Mode 22 7W EPA ENERGY STAR Saving OFF Mode 1W Power Source 90 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Peak surge current 55A peak at 240 VAC ...

Страница 9: ...0HZ 1280 x 768 60HZ VESA 1280 x 768 75HZ 1280 x 1024 60Hz SXGA 1280 x 1024 75Hz 1360 x 768 60HZ 1440 x 900 60Hz WXGA 1440 x 900 75Hz Connector Information Input Signal Connector D Sub 15pin Connector Pin No Description Pin No Description 1 Red Input 9 5VDC 2 Green Input 10 GND 3 Blue Input 11 RS232 GND 4 RS232 GND 12 SDA DDC Serial Data 5 Connection detect 13 H Sync 6 Red GND 14 V Sync 7 Green GND...

Страница 10: ...IM control DC AC Transformer T801 High Voltage Output Resonance NET Switching MOS Q802 AM9948 AC input 100 240V 2 CCFL PWM Control IC IC801 TL494 Current Sampling Power part Inverter part X401 Crystal12MHz Key Board Control CN401 406 D Sub Connector CN101 SPI H sync V sync RGB Voltage converter CN404 5V 5V 3 3V 1 8V Video input DDC Scalar IC NT68167 Novatak Include ADC OSD MCU U401 FLASH ROM EEPRO...

Страница 11: ...balVariables Initial_MCU Device while InputTiming ModeHandler MenuHandler DebugHandler if standby mode Brightness Contrast Language InputType InputTimingStableCounter OsdCounter PowerDownCounter LED turn on Show power on logo if factory mode No signal message UnsupportModeFlag END OSD Menu Software Flow Chart N InputTiming Phaes Frequency Image setup Color O Y Y Enter factory mode OSD 11 ...

Страница 12: ... a 19 wide TFT Liquid Crystal Display module with 2ch LVDS interface This module supports 1440 x 900 WXGA mode and can display 16 7M colors High speed response Typ 5ms The inverter module for Backlight is not built in 2 CCFLs Cold Cathode Fluorescent Lamp Electrical Characteristics 12 ...

Страница 13: ...Service Guide Acer V193W BackLight Unit Panel Block Diagram for 2 CCFL 13 ...

Страница 14: ...Service Guide Acer V193W Optical Characteristics 14 ...

Страница 15: ...Service Guide Acer V193W LVDS pin assignment 15 ...

Страница 16: ...the monitor then to a properly grounded AC outlet 3 Turn on the monitor and computer Turn on the monitor first then the computer This sequence is very important 4 If the monitor does not function properly please refer to the troubleshooting section to diagnose the problem Attaching Removing the Base Attaching Align the release button on the bottom of the monitor with the corresponding slots on the...

Страница 17: ...function Press or to change the settings of the current function 5 Menu Enter Activate the OSD menu when the OSD is off or activate deactivate the adjustment function when the OSD is on 6 Auto adjust button Exit a When the OSD menu is active this button will act as the exit key exit OSD menu b When the OSD menu is inactive press this button for two seconds to activate the Auto Adjustment function ...

Страница 18: ...Service Guide Acer V193W eColor Management OSD 18 ...

Страница 19: ...Service Guide Acer V193W How to Adjust a Setting 19 ...

Страница 20: ...Service Guide Acer V193W Adjusting the picture 20 ...

Страница 21: ...Service Guide Acer V193W 21 ...

Страница 22: ...e video cable is connected but there is no active signal input will show this message then enter power saving Logo When the monitor is power on the LOGO will be showed in the center and disappear slowly How To Optimize The DOS Mode Plug And Play Plug Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD It allows the monitor to inform the host ...

Страница 23: ...play Using The Right Power Cord The accessory power cord for the Northern American region is the wallet plug with NEMA 5 15 style and is UL listed and CSA labeled The voltage rating for the power cord shall be 125 volts AC Supplied with units intended for connection to power outlet of personal computer Please use a cord set consisting of a minimum No 18 AWG type SJT or SVT three conductors flexibl...

Страница 24: ...Service Guide Acer V193W 24 ...

Страница 25: ...is chapter contains step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the cover hinge as the following indicator Fig 1 Fig 1 2 Remove the screws as following indicate to release base stand Fig 2 Fig 2 25 ...

Страница 26: ...Service Guide Acer V193W 3 Remove the back cover and bezel key board Fig 3 Fig 3 Fig 4 Fig 5 26 ...

Страница 27: ...Service Guide Acer V193W 4 Remove the lamp connectors and the screw Fig 6 7 Fig 6 Fig 7 27 ...

Страница 28: ...Service Guide Acer V193W 5 Remove the screws to remove the panel Put attention to the LVDS cable Fig8 Fig 8 6 Remove the screws to remove the main board and power board Fig 9 Fig 9 28 ...

Страница 29: ... OK Replace soft U402 U401 No power Press power key and look if the picture is normal Please reinsert and make sure the AC 100 240V is normal Reinsert or check the power section Check 5V CN701 3 3V U701 2 Check X401 waveform Replace X401 OK OK NG Check flow chart For the no power NG NG NG Check replace CN701 U701 Q702 Q703 Q302 Q301 29 ...

Страница 30: ...eplace X401 Check CN101 HS VS Check U402 out Check Correspondent component OK NG NG NG NG OK OK OK Replace U401 Updata soft data OK NG 3 White screen Check connector Replace Panel White screen Measure Q302 base is low level Check Q301 5V Or CN301 solder Check around device Check X401 waveform Check U403 U402 Check flow chart For the white screen Replace X401 Check around device Updata soft NG OK O...

Страница 31: ... C901 C902 Check voltage of IC901 8pin check component R905 R920 Check T901 1 3 out Vcc Check D901 R910 C911 Check IC901 drive out Check MOS Q900pin G D Check replace IC901 Check D910 R912 R915 Q901 Around component Check T901sub rectified out 5V 12V NG OK NG NG NG OK OK OK NG OK NG OK Check rectified diode D920 D921 fiter capacitor NG Chech opto couple IC902 IC903 Check open load 31 ...

Страница 32: ...eturn check Power Check main board After Power off check R802 C806 C809 Check IC801 11pin 5V Check IC801 3pin waveform Check aroud C809 Q802 Replace IC801 Check IC801 pin6 8 9 10 PWM Check Q805 Q806 Gate Drain Check PT801 out waveform Replace PT801 replaceIC801 Check ZD802 ZD803 R803 R804 Replace device NG NG NG NG NG NG NG OK OK OK OK OK OK OK OK NG Check the lamps of panel connector feedback cir...

Страница 33: ...eck flow chart For the key board OSD is unstable or not working Is Key Pad Board connecting normally Is Button Switch normally Is Key Pad Board normally Check Main Board Connect Key Pad Board Replace Button Switch Replace Key Pad Board OK NG NG NG OK OK 33 ...

Страница 34: ...rvice 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 to return the defective parts you should follow the local government ordinance or ...

Страница 35: ...Service Guide Acer V193W Key components List Exploded Diagram show the description of the following component Item Picture Description 1 Base 2 Main Frame 4 Panel 35 ...

Страница 36: ...RIGHT ANELE PITCH U103 IC AZC099 04S SOT23 6L CN406 WAFER 6PIN X401 CRYSTAL 12MHz NXS12 000AC30F KAB10 CN902 WIRE HARNESS 9P SCN 9P PH U701 IC AZ1117D 3 3TRG1 1A 3 3V TO 252 CN901 AC socket IC801 IC TL494IDR SOIC 16 Q901 2SK2645 IC901 LD7575PS SOP 8 E750 750GLS190BT3DCN0AC main 715G3225 1 CBPCRNFABQAJ E750 750GLS190BT3ECN0AC power 715G3350 1 2 PW8921EQIXSMTJ E750 750GLU190W1512N0AC key 715G2944 3 ...

Страница 37: ...3 4 PANEL INTERFACE PANEL INTERFACE PANEL_EN T0M T0P T1M T1P T2M T2P T3M T3P T4P T4M T5M T5P T6M T6P TCLK1M TCLK1P T7M T7P DSUB_5V SOGI RIN TCLK1P T2M T3P BIN BL_ADJ 5VCC 5V 3 SCALER SCALER T0M T0P T1P T1M T2M T2P T3P T3M T4M T4P T5P T5M T6M T6P T7P T7M TCLK1M TCLK1P BL_ADJ Volume Mute Panel_ID PANEL_EN BL_ON VSIN HSIN RIN RIN GIN GIN SOGI BIN BIN DDC_SDA DDC_SCL VGA_DET VCC3 3 5V VCC1 8 DDC_WP 5V...

Страница 38: ...A1 A2 VSS SDA SCL WP VCC R109 390 OHM 1 16W E B 4 7 Thursday February 19 2009 715G3225 1 1 0 COVER G3225 1 X X 3 090220 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 R115 100R 1 16W 5 CN101 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R102 470R 1 16W 5 R107 75R 1 16W 5 FB102 BEAD 1 2 R103 100R 1 16W 5 R121 NC C119 NC 5PF50V VG...

Страница 39: ... Electronics Co Ltd Key Component 絬隔瓜絪腹 VCC3 3 C709 0 1UF 16V B V173 B V193 VCC3 3 U704 3 2 1 4 VI VO GND 4 CN404 CONN 1 2 3 4 5 6 7 8 9 BKLT EN R714 NC BL_ADJ 5 VCC1 8 5 5V C_PANEL_INDEX R702 0R05 1 16W Panel_ID 5 R711 22K 1 16W 5 DSUB_5V 5V VCC3 3 5 SOT223 5V R701 10K 1 16W 5 R705 100R 1 16W 5 VCC3 3 ACER DSUB_5V 4 BKLT VBRI Volume Volume 5 R703 100R 1 16W 5 BL_ON 5 5VCC R709 10K 1 16W 5 5VC...

Страница 40: ... 29 30 31 32 33 34 35 37 36 39 38 41 40 43 42 45 44 47 46 49 48 50 51 52 53 54 55 56 57 58 59 61 60 62 63 64 RSTB DVDD_BIAS MGND BIN1 BIN1 SOG1I GIN1 GIN1 RIN1 RIN1 PB5 DDC_SDA TX PB4 DDC_SCL RX HSYNCI1 VSYNCI1 ADC_2 3 ADC_1 8 AGND DVDD P34 PA0 PWM2 PA1 PWM3 PB0 ADC0 PB1 ADC1 DGND CVDD_2 3 CVDD_1 8 PA4 PWM6 PA5 PWM7 PWMA P30 RXD P31 TXD T7P T7M T6P T6M T5M T5P T4M T4P T3M T3P TCLK1M TCLK1P T2M T2P...

Страница 41: ...173 B V193 T1M T4P T2M PANEL_EN 5 T6P 5 C421 1uF 16V T1M 5 T7P 5 R420 10K 1 16W 5 T5M 5 TCLK1P D PANEL_VCC AO3401L T0M 5 TCLK1P PANEL_VCC R436 56K 1 16W 5 T5P 5 T2P T6M 5 T3P TCLK1M Q404 2N3904S RTK PS T6M T7M C419 0 22uF16V Q403 NC AO4411 1 2 3 4 8 7 6 5 S S S G D D D D T3M 5 E A 6 7 Thursday February 19 2009 715G3225 1 1 0 COVER G3225 1 X X 3 090220 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB...

Страница 42: ... 56K C905 100uF 450V D906 YG868C15R 1 2 3 14V T901 080GL17T 39N1P 4 5 6 7 8 9 10 11 12 4 6 1 3 C918 680uF 25V R942 1K 1 1 8W ON OFF R951 6 8MOHM 1 1 4W D915 NC 5V R906 100KOHM 1 4W F901 2 5A 250V F903 FUSE 5A 250V C917 680uF 25V R907 100KOHM 1 4W R941 470 OHM 2W C941 1UF K 25V X7R R954 220KOHM C939 1000uF 16V CN902 HARNESS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C932 0 001uF R935 100 OHM 1 4W USB_CTRL C9...

Страница 43: ...MBS3904 C825 0 1uF C802 470UF 20 25V R853 68K 1 8W 5 R807 47K 1 8W 0 1 V 2 V C842 1uF 25V Q804 PMBS3906 1 2 3 C824 0 1uF R862 1M 1 8W 5 Q813 PMBS3904 R825 33R 1 8W 5 C807 0 1uF C819 2200pF50V O p e n L a m p 5 V Q801 PMBS3904 T801 080GL24T 21 DN 6 3 7 4 8 1 5 2 R819 3 6K 1 8W R851 9K1 1 8W 1 R824 1K 1 8W R803 1M 1 8W 5 D817 1N4148 D810 NC R841 68K 1 8W 5 R828 10K 1 8W 5 Q805 PDTC144WK R802 75K 1 8...

Страница 44: ...0 V GND ZD001 UDZSNP5 6B 1 2 ECOLOR LBADC1 LBADC1 1 1 V R001 2K OHM 1 16W AUTO add ZD001 and ZD002 for ESD solution acer E acer B and V key pad A4 2 2 Wednesday September 10 2008 715G2944 E 称爹 02 KEY G2944 E X X 1 080218 OEM MODEL Size Rev Date Sheet VOL of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 CN001 VOL C003 NC MENU LED_BLUE R002 2K OHM 1 16W AUTO C006...

Страница 45: ...Service Guide Acer V193W PCB Layout Chapter 8 Main Board Layout 45 ...

Страница 46: ...Service Guide Acer V193W 46 ...

Страница 47: ...Service Guide Acer V193W Power board Layout 47 ...

Страница 48: ...Service Guide Acer V193W 48 ...

Страница 49: ...Service Guide Acer V193W 49 Key board Layout ...

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