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31

Troubleshooting

This chapter provides troubleshooting information for the X233HZ&X243HQ:

1. No Power

Chapter 4

No power

Press power key and look if the
picture is normal

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 U703 Pin2=3.3V,

OK

OK

NG

NG

NG

Check U703, C706 and C707

Replace U401

Replace X401

NG

OK

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Содержание V233HZ

Страница 1: ...1 Acer X233HZ X243HQ Service Guide ...

Страница 2: ...2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model A00 Dec 18 2008 Initial Release X233HZ X243HQ TDRMNDD8Y1ABPN ...

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: ... 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 electric s...

Страница 6: ...ow chart 16 Main Board Layout 18 Installation 19 Chapter 2 Operating Instructions 21 External Controls 21 Front Panel Controls 21 eColor Management OSD 22 How to Adjust a Setting 23 How To Optimize The DOS Mode 27 Enter into the factory mode 27 Chapter 3 Machine Disassembly 28 Chapter 4 Troubleshooting 31 Chapter 5 Connector Information 37 Chapter 6 FRU Field Replacement Unit List 38 Exploded Diag...

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 Chart of X233HZ X243HQ Panel M236H1 L01 NB CMO Signal Interface D Sub 15pin DVI 24pin Sync Type Separate Compatible Color Temp User ...

Страница 8: ... linear distributed gray scales 0 700mv can be distinguished Color temperature 6500 K Brightness control The value under user mode 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 cm for LCD failures Ambient illumination Dark room 1 cd m2 Measurement systems The units of measure stated in this documen...

Страница 9: ...lay mode 1920 x 1080 60Hz EPA ENERGY STAR ON Mode 65W OFF Mode 1W Contrast control Set to The value under user mode which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Power Source 100 V 240 V 50 3Hz 60 3Hz Environmental Considerations Operating Temp 0 to 40 C Storage Temp 20 to 60 C Operating Humidity 15 to 90 Storage Humidity 15 to 90 Operating A...

Страница 10: ...Liquid Crystal Display module with 4 CCFL Backlight unit and 30 pins 2ch LVDS interface This module supports 1920 x 1080 Full HD mode and can display up to 16 7M colors The inverter module for Backlight is not built in General Specifications Block Diagram TFT LCD Module ...

Страница 11: ...11 Back light Unit Electrical Characteristics ...

Страница 12: ...12 Optical Specifications ...

Страница 13: ...800 x 1000 60 000 P 60 000 P 108 000 1280x720 60Hz 1650 x 750 44 955 P 59 940 P 74 176 SXGA 1280x1024 60Hz 1688 x 1066 63 981 P 60 020 P 108 000 WXGA 1280x800 60Hz 1680 x 831 49 702 P 59 810 N 83 500 1360x768 60Hz 1792 x 795 47 712 P 60 015 P 85 500 WXGA 1440x900 60Hz 1904 x 931 55 935 N 59 887 P 106 5 WSXGA 1680x1050 60Hz 2240 x1089 65 290 N 59 954 P 146 250 UXGA 1600x1200 60Hz 2160 x 1250 75 000...

Страница 14: ...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 Key board D SUB Signal CCFL Drive AC IN 100V 240V DVI Signal USB board ...

Страница 15: ... Flash Memory SST25VF010A U402 Panel Interface CN301 Crystal 12MHz X401 Key control Interface CN402 Scalar IC NT68667UFG C Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 D Data D Clock ...

Страница 16: ...16 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 17: ... 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 18: ...402 WAFER U703 IC LD1117DT33TR DPAK CN701 WAFER 9P RIGHT ANELE PITCH U103 IC AZC099 04S SOT23 6L CN301 CONNECTOR U104 IC AZC099 04S SOT23 6L X401 CRYSTAL 12MHz HC 49US ARG6 120 U402 SST25VF010A 33 4C SAE CN101 D SUB 15PIN VERTICAL CONN WITH SCREW U702 IC AZ1117D 1 8 E1 CN102 DVI 24PIN CONN F ...

Страница 19: ...tor and computer are powered OFF b Connect one end of the 24 pin DVI cable to the back of the monitor and connect the other end to the computer s port Steps 2 Connect power cord Connect the power cord to the monitor then to a properly grounded AC outlet Steps 3 Power ON Monitor and Computer Power ON the monitor first then power ON the computer This sequence is very important Steps 4 If the monitor...

Страница 20: ...n as indicated first before removing the base and follow the arrow direction to remove it SCREEN POSITION ADJUSTMENT In oder to optimize the best viewing position you can adjust the tilt of the monitor by using both of your hands to hold the edges of the monitor as shown in the figure below The monitor can be adjusted to 15 degrees up or 5 degrees down as indicated by arrow below ...

Страница 21: ... ON 3 Empowering 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 to select scenario mode 4 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 activate the Auto Adjustment function The A...

Страница 22: ...e Acer e Color Management OSD and access the scenario modes Step 2 Press or to select the mode Step 3 Press Auto Key to confirm the mode and run Auto Adjust Automatic Adjustment Step 1 Press Auto Key to initial scenario mode Step 2 Press Auto Key again to perform an Auto Adjust Features and Benefits ...

Страница 23: ...at 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 P X Series OSD behave When user press MENU button on front bezel Acer eColor Management If selected to Acer eColor Management item will appear the Acer eColor OSD OSD and Key locations USER ...

Страница 24: ...24 If selected to USER item will appear the Standard OSD Adjusting the picture The descriptions for function control LEDS ...

Страница 25: ...25 ...

Страница 26: ...26 ...

Страница 27: ...ill 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 Pressing a key on the keyboard or clicking the mouse restores the display Using the Right Power Cord The ...

Страница 28: ... for disassembly is as follows Screwdriver Hexagonal screwdriver Putty knife Disassembly Procedure 1 Remove the hinge assembly 2 Remove the rear cover and bezel The arrows in blue are the hook that we should put attention to when remove the rear cover Use plastic putty knife to release hooks then you can easily remove the rear cover Chapter 3 ...

Страница 29: ...29 3 Remove the lamp connectors and remove the screws to remove the panel Put attention to the LVDS cable 4 Remove the screws to remove the main board and power board ...

Страница 30: ...30 5 The panel ...

Страница 31: ... Chapter 4 No power Press power key and look if the picture is normal 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 U703 Pin2 3 3V OK OK NG NG NG Check U703 C706 and C707 Replace U401 Replace X401 NG OK ...

Страница 32: ...l Replace U401 Replace X401 Measure U703 Pin2 3 3V Check Correspondent component Replace U401 X401 oscillate waveform is normal Check U703 C706 and C707 OK OK OK OK OK NG NG NG NG Check reset circuit of U401 is normal Check HS VS from CN101 is normal Replace X401 Check Correspondent component NG NG OK ...

Страница 33: ...ase is low level X401 oscillate waveform is normal Check CN301 is solder and Q302 Q301 is OK Check Correspondent component Replace PANEL Check Correspondent component Replace U401 OK OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal ...

Страница 34: ...ard OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Board Is Button Switch normally Replace Button Switch Y NG NG Is Key Pad Board normally Replace Key Board Y NG Y Check Main Board ...

Страница 35: ... rectified circuit and F901 circuit Check start voltage for the pin3 of IC901 Check R904 R905 and Change IC901 NG Check the auxiliary voltage is bigger than 11V and smaller than 25V 1 Check IC901 2 Check R909 D901 C908 C907circuit OK OK NG Check D906 D907 D908 IC903 Q903 ZD902 OK Check IC901 pin8 PWM wave OK NG NG NG OK NG Check IC901 ...

Страница 36: ... part Check ON OFF signal Check Interface board NG OK Check IC801 PIN12 14 5V NG OK Check ON OFF circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN9 PIN10 PWM wave NG OK Check R816 R817 R818 R819 Check the output of PT801 Check connecter lamp OK NG Change PT801 ...

Страница 37: ...37 Connector Information D sub connect and DVI connect 15 Pin Color Display Signal Cable 24 Pin Color Display Signal Cable Chapter 5 ...

Страница 38: ... 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 to return the ...

Страница 39: ...7 1 2 9 BAES BRACKET A15G0567 101 1 10 HINGE A37G0110 1 1 11 HINGE COVER R A33G0271 RX 2L0200 1 12 HINGE COVER L A33G0271 RX 1L0200 1 13 BASE BUTTON A33G0266 RX 1L0100 1 14 BASE A34G1109 RX 1B0130 1 15 STAND REAR A34G1108 RX 1B0100 1 16 STAND FRONT A34G1107 RX 1B0100 1 17 REAR COVER A34G1106 RX 1B0100 1 18 PW SHIELD A15G0478201 1 19 MAIN FRAME A15G0477F01101 1 20 KEY BUTTON Q33G0237 RX 1L0100 1 21...

Страница 40: ...Part List Above picture show the description of the following component Picture Description Part No Main_frame_Sam A15G0477F01101 Bezel A34G1105 RXA1B0130 Panel 750GLM236H1112N000 Power Board PWPC8E41MQHA ...

Страница 41: ...41 Main Board CBPCRNDABQP Key Board KEPC7QK1 Stand Front A34G1107 RX 1B0100 Base A34G1109 RX 1B0130 Stand Rear A34G1108 RX 1B0100 ...

Страница 42: ...42 Hinge A37G0110 1 USB BOARD USB7QK4 ...

Страница 43: ...B_SCL VGA_B DSUB_SDA 候候 U107 DDC_WP DAT2 1 DAT2 2 2 4shield 3 DAT4 4 DAT4 5 DDC SCL 6 DDC SDA 7 VSYNC 8 DAT1 9 DAT1 10 1 3shield 11 DAT3 12 DAT3 13 5V 14 SYNC GND 15 HPD 16 DAT0 17 DAT0 18 0 5shield 19 DAT5 20 DAT5 21 clk shield 22 clk 23 clk 24 GND 26 GND 25 CN102 JACK 候候 U101 R104 1K 1 16W 5 R138 4K7 1 16W 5 DDC2_SDA C113 5pF 50V V_Sy nc DSUB_5V ZD105 RLZ5 6B 1 2 FB102 BEAD RX1P 5V_ESD A0 1 A1 2...

Страница 44: ...OHM 5 1 8W PANEL_VCC Q302 2N3904S RTK PS R306 10K 1 16W 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 CN301 CONN AO3401L 2 1 C304 NC C303 NC C306 0 1uF 16V S D 3 G R307 47K 1 16W 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称称 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 TDRMNDD8Y1ABPN 1 Acer X243HQ X233HZ A 3 5 Monday May 19 2008 称称 3...

Страница 45: ...5 C706 100uF25V C701 NC C708 0 1uF 16V C702 NC 1 2 3 4 5 6 7 8 9 CN701 CONN R705 10K 1 16W 5 R704 4K7 1 16W 5 BKLT EN C707 100uF25V C709 0 1uF 16V R706 1K 1 16W 5 VSS 1 VOUT 2 VIN 3 U701 NC AP1117E33LA Q701 2N3904S RTK PS C705 NC 0 1uF 16V VCC1 8 Volume Mute ADJ GND 1 VOUT 2 VIN 3 U703 AP1117D33LA OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称称 T P V Top Victory Electronics Co Ltd Key Comp...

Страница 46: ...9 RSGA2P T7P 68 PA1 PWM3 67 PA2 PWM4 66 PA0 PWM2 65 OSCO 128 OSCI 127 PB0 ADC0 126 PB1 ADC1 125 PC5 124 PC4 PWM1 123 PC3 PWM0 122 PC1 121 PC0 120 CVDD 119 PWMB GPO8 118 PWMA GPO7 117 NC 116 CVDD 115 INT_HSO GPO5 114 INT_VSO GPO4 113 GPO3 AD1 112 GPO2 AD0 111 NC 110 GND 109 PD4 108 SPI_CLK 107 SPI_SI 106 SPI_SO 105 SPI_CE 104 PC7 103 U401 NT68667FG PANEL_ID R431 100R 1 16W 5 R429 100R 1 16W 5 VSO H...

Страница 47: ...EL PCB NAME 称称 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 TDRMNDD8Y1ABPN 1 Custom 2 4 Friday December 05 2008 715G2824 1 5 ODM MODEL 03 POWER G2824 1 5 X 6 081125 R914 0 39 OHM 2W 5 F903 FUSE F902 FUSE 5V1 PID C901 1000pF C930 0 1uF C906 1500PF2KV C937 100pF 2KV 1 2 FB902 80OHM 1 2 FB901 BEAD C938 1500PF2KV R902 1M 1 4W 5 1 3 4 5 6 7 8 9 10 11 12 T901 POWER X FMR DIM L905 Coil O...

Страница 48: ...10 100K 1 10W 1 HV 1 LV 2 CN804 CONN R838 1M 1 10W 5 R842 10K 1 10W 5 3 1 2 D803 BAV99 LV1 LV4 LV2 LV3 LV1 LV3 LV2 LV4 D801 IN4148 C801 0 047uF C802 0 047uF R803 5K1 1 8W 5 R804 5K1 1 8W 5 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称称 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 TDRMNDD8Y1ABPN 1 Custom 3 4 Friday December 05 2008 715G2824 1 5 ODM MODEL 02 INVERTER G2824 1...

Страница 49: ...tory Electronics Co Ltd Key Component 絬隔瓜絪腹 TDRMNDD8Y1ABPN F Custom 4 4 Friday December 05 2008 715G2824 1 5 ODM MODEL 04 AUDIO G2824 1 5 X 6 081125 ROUT C612 0 1uF 16V R609 10K 1 10W 5 LOUT ROUT C604 100uF 25V R608 0R05 1 8W R606 12KOHM 5 1 10W 1 2 FB602 BEAD C606 0 47uF 16V 1 2 3 4 CN602 CONN C610 100pF R605 6 2K 1 10W 5 R607 12KOHM 5 1 10W C601 0 47uF 16V C609 1uF 25V C603 0 47uF 16V R603 1...

Страница 50: ... 2007 5 18 2007 5 18 2007 5 18 CONNECTOR 1 2 4 3 5 SW005 SW C006 NC VOL C005 NC C002 NC C008 NC C003 NC ZD002 UDZS5 6B 2007 5 18 C001 NC C004 NC 1 1V 1 1V 0 65V LED POWER AUTO MENU VOL VOL C010 NC ZD001 UDZS5 6B CN001 ZD006 UDZS5 6B C011 NC C009 NC ECOLOR GND 2007 5 18 C007 NC ZD004 UDZS5 6B R005 1K 1 10W 1 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称称 T P V Top Victory Electronics Co Lt...

Страница 51: ...R751 1K5 1 10W 1 VBUS4A OC4 Power USB Q712 RK7002 C774 100uF 16V R744 8K2 1 10W 1 C7102 18P 50V 1 2 FB724 120 OHM 1 2 3 4 5 CN710 CONN 1 2 3 4 5 CN711 NC CONN C776 100uF 16V C799 0 1uF16V 12V VBUS3 DP4 DM3 DP3 R750 NC 10K 1 10W 5 OC2 R726 15K 1 10W 5 R743 3K9 1 10W 5 VBUS4 6 5 1 2 3 4 CN707 NC 6 5 1 2 3 4 CN708 NC VBUS2A VBUS3 VBUS4 USB_CTRL VBUS0 1 2 ZD703 EGA10603V05A1 B 5V 1 2 ZD704 EGA10603V05...

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