Acer X173 Скачать руководство пользователя страница 36 | Manualshive

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3. Panel Power Circuit

4. Keypad Board

Check CN601 PIN 23 should have
response from 0V to 5V When we
switch the power switch from on to off

Replace panel

Check the PPWR panel power relative circuit Q601, Q602
In normal operation, when LED =green, R601 low level,
If PPWR no-response when the power switch
Turn on and turn off, replace the U401- RTD2120L

OK

NG

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

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Содержание X173

Страница 1: ...1 Acer X173 Service Guide ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Jul 23 2007 Initial Release T77SRDDNHSABN ...

Страница 3: ...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 trademarks of t...

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: ...ftware Flow chart 15 Main Board Layout 17 Installation 18 Attaching Removing the base 19 Chapter 2 Operating Instructions 20 External Controls 20 Front Panel Controls 21 eColor Management OSD 22 How to Adjust a Setting 23 LOGO 28 Chapter 3 Machine Disassembly 29 Chapter 4 Troubleshooting 34 Chapter 5 Connector Information 38 Chapter 6 FRU Field Replacement Unit List 39 Exploded Diagram 40 Chapter ...

Страница 7: ...scription 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 X173 Panel LTM170EU...

Страница 8: ...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 AC Supply voltage 230V 5 50 3Hz Ambient temperature 20 5 Display mode 1280x1024 60Hz all white Measurement systems The units of measure stated in this document...

Страница 9: ...5 75Hz Display Colors 16 7M Colors Max Dot Clock 140MHz Max Resolution 1280 1024 75Hz EPA ENERGY STAR ON Mode 40W OFF Mode 1W Input Connector D Sub 15pin Input Video Signal Analog 0 7 Vpp standard Power Source 90 240VAC 47 63Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 30 to 65 C Operating Humidity 0 to 90 Storage Humidity 0 to 90 Dimension 376 W 381 H 162 D mm Leakage cur...

Страница 10: ...10 LCD Panel Specification General Specifications Mechanical Information ...

Страница 11: ...11 Optical Specifications ...

Страница 12: ...12 Support Timing ...

Страница 13: ...ch house the flat panel control logic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Power Board Flat Panel and CCFL backlight Main Board Keyboard Input D SUB Signal CCFL Drive AC IN 90V 240V ...

Страница 14: ...14 Main Board Diagram MCU RTD 2120L U401 Scalar IC RTD2025L Include ADC OSD U501 D Sub Connector CN301 H sync V sync RGB LCD Interface CN601 Key Board Control CN202 Crystal X401 ...

Страница 15: ...15 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 ...

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: ...7 Main Board Layout Symbol Description Symbol Description U201 056G 585 4A X401 093G 22 45 H U401 056G1125701 X CN201 033G3802 9 U402 056G 158501 CN202 033G3802 6 U501 056G 562701 CN601 033G801930F CH JS ...

Страница 18: ...18 Installation ...

Страница 19: ...19 Attaching Removing the Base ...

Страница 20: ...cture 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 Power Switch 4 Auto Adjust botton Exit 2 Power LED 5 3 Empowering Exit 6 MENU ENTER Chapter 2 ...

Страница 21: ...21 Front Panel Control ...

Страница 22: ...22 eColor Management OSD ...

Страница 23: ...23 How to Adjust a Setting ...

Страница 24: ...24 Adjusting the picture ...

Страница 25: ...25 ...

Страница 26: ...26 ...

Страница 27: ...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 this mess...

Страница 28: ...here 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 com...

Страница 29: ... chapter contains step by step procedures on how to disassemble the monitor for maintenance Disassembly Procedure 1 Remove the cover hinge marked in red Fig 1 Fig 1 2 Remove the screws to release base stand Fig 2 Fig 2 Chapter 3 ...

Страница 30: ...30 3 Remove the back cover and regard the hook Fig 3 4 Fig 3 Fig 4 4 Remove the keyboard Fig 5 Fig 5 ...

Страница 31: ...31 5 Remove the bezel Fig 6 Fig 6 7 Remove the screws to remove the panel Fig 7 10 Fig 7 Fig 8 ...

Страница 32: ...32 Fig 9 Fig 10 8 Remove the screw as following indicate to remove the main board and power board Fig 11 13 Fig 11 ...

Страница 33: ...33 Fig 12 Fig 13 ...

Страница 34: ...if the picture isLCD Interface CN601 Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Check if X401 oscillate waveforms are normal Measure U201 Pin 3 5V U201 Pin 2 3 3V OK OK NG NG NG Measure CN201 Pin3 5V Replace U401 Replace X401 NG Replace U201 OK OK if the picture is normal Replace U501 NG ...

Страница 35: ...3V Replace U201 Check if X401oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or change the cable Replace U401 U501 NG OK NG OK OK NG ...

Страница 36: ...lative circuit Q601 Q602 In normal operation when LED green R601 low level If PPWR no response when the power switch Turn on and turn off replace the U401 RTD2120L OK NG 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: ...eck IC801 pin12 12V Change Q805 Q808 or Q810 Check the pin9 10 of IC801 have PWM wave Change Q801 Q804 Q811 Q812 Replace IC801 Check the resonant wave of pin6 pin1 for PT801 PT802 Check the output of PT801 PT802 Check Q802 Q803 Check connecter lamp OK Change PT801 PT802 OK OK OK OK OK NG NG NG NG NG NM OK ...

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

Страница 39: ...atever 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 40: ...40 Exploded Diagram Model X173 ...

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

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

Страница 43: ...onics Co Ltd Key Component 絬隔瓜絪腹 LED_G 06 11 3 Remove R209 470 ohm 06 12 29 3 Change R207 R208 Value from 470ohm to 120ohm KEY1 4 R213 10K 1 16W Back light Dimming 3 3V PWM Near to Connect Mute 06 12 29 3 Remove R211 R212 470ohm CN202 CONN 1 2 3 4 5 6 VCC3 U201 AP1117E33LA 1 2 3 VSS VOUT VIN LED_R 4 R202 4K7 1 16W Q202 PMBS3904 CN201 CONN 1 2 3 4 5 6 7 8 9 R201 200Ω 1 16W 07 01 10 change to El...

Страница 44: ... VGA_G VGA_G R309 100R 1 16W DSUB_V FB302 BEAD 1 2 C315 0 1uF 16V RTD_G 5 C307 0 047uF 12 29 change ZD302 ZD303 from NC to insert C304 0 047uF DSUB_5V R310 75R 1 16W CMVCC ZD302 UDZS5 6B 1 2 ZD301 UDZS5 6B 1 2 D302 BAV99 3 1 2 RTD_R 5 FB303 BEAD 1 2 T77SRDDNHSABN 1 X173 B 3 6 Monday July 09 2007 715G2498 D K 03 input G2498 1 K AC 1 070707 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P ...

Страница 45: ...C Volume 2 RTD_SD3 SDI U403 NC 1 2 3 4 5 6 7 8 NC NC NC VSS SDA SCL WC VCC R426 22R 1 16W MCU_VCC R402 1K 1 16W R413 4K7 1 16W 2006 11 7 Add pull high R451 to MVCC R453 R454 pull up MCU_VCC LED_R PANEL_ID KEY1 C404 NC 0 22uF R408 NC C405 10uF 50V R403 3 9KΩ 1 16W KEY1 2 DSUB_V R453 1K 1 16W Mute 2 DSUB_5V KEY0 2 R439 6K8 1 16W R436 10K 1 16W LED_G 2 CMVCC POWER_KEY 2 R414 4K7 1 16W RTD2120L U401 R...

Страница 46: ...18 19 20 21 22 23 24 36 35 34 33 32 31 30 29 28 27 26 25 48 47 46 45 44 43 42 41 40 39 38 37 V1 REXT V2 RX1P V3 RX1N V4 RX0P V5 RX0N V6 RXCP V7 RXCN AVS AHS ADC_GND B B G G R R ADC_VDD BJT_B VCCK PGND TXE3 TXE3 TXE2 TXE2 TXO1 TXO1 TXO2 TXO2 TXOC TXOC TXO3 TXO3 TXE0 TXE0 TXE1 TXE1 V0 RX2N VCLK RX2P TMDS_VDD XIN DDCSCL PWM0 DDCSDA PWM1 IRQ SCL SDA VCCK PGND TXO0 TXO0 LVDS_O7 R1 8DVCC RXEC BJT_B LVDS...

Страница 47: ... LVDS_O1 RXE0 LVDS_O8 RXE1 RXE1 RXO0 R606 NC RXO3 RXE0 LVDS_E6 RXOC RXE3 3 2006 11 7 Add pull up 4K7 to MVCC LVDS_O6 R604 47K 1 16W RXEC RXEC G RXOC LVDS_O4 LVDS_O2 LVDS_O0 PANEL_VCC RXO2 C602 0 01uF 25V C603 0 1uF 16V LVDS_O 0 9 5 RXO0 LVDS_O5 RXE0 LVDS_E8 RXE2 LVDS_E1 PANEL_VCC RXOC RXE2 RXO3 RXE2 AO3401L PANEL_VCC RXO2 RXO3 LVDS_E5 RXE3 RXO0 RXE3 RXEC LVDS_E2 C604 47uF 25V LVDS_E4 RXE1 RXO0 RXE...

Страница 48: ... L901 4 0mH 1 2 4 3 L904 1 1uH D916 LL4148WP C912 0 001uF R942 1K 1 10W 1 R902 680K 1 4W IC901 TEA1530AT 1 2 3 4 5 6 7 8 Vcc GND PROTECT CTRL SENSE DRIVER HVS DRAIN F901 FUSE D903 BAW56DIODES C939 1000uF 25V ZD901 NC 1 2 R901 680K 1 4W R919 100 1 4W R922 1K 1 4W 5V 12V R909 10R 1 4W R906 NC D900 BA159GPT R931 8K2 1 8W C910 0 001uF PWPC942AA3 A 17 LCD B 2 3 Thursday July 19 2007 715G2538 3 称爹 02 PO...

Страница 49: ...NC R854 68K 1 1 10W R858 33 1 4W R820 47K 1 10W R817 10K 1 10W R821 1K 1 10W 1 R802 NC T801 POWER X FMR 1 4 8 3 7 9 C845 2 2uF 16V R863 NC CN804 CONN 1 2 R856 33 1 4W R828 10K 1 10W F801 0R05 1 4W C802 470uF 25V R832 10K 1 10W D802 BAV99 3 1 2 R816 1K 1 10W 1 D812 0 OHM 5 1 4W C824 0 1uF Q806 PMBS3904 R835 1M 1 10W 5 R851 15 KOHM 1 1 10W C815 0 0022uF R857 33 1 4W D806 LL4148WP R819 3 6K 1 10W R82...

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