Acer X233H (Italian) Service Manual Download Page 35 | Manualshive

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35

2.) No Backlight

Check if the input voltage of inverter part is 16V

NG

OK

Check adapter 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

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Summary of Contents for X233H

Page 1: ...1 Acer X233H Service Guide ...

Page 2: ...2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model A00 Dec 02 2008 Initial Release X233H TDRSNDD8Y2ABPN ...

Page 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...

Page 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...

Page 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 ...

Page 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 26 Enter into the factory mode 26 Chapter 3 Machine Disassembly 27 Chapter 4 Troubleshooting 30 Chapter 5 Connector Information 36 Chapter 6 FRU Field Replacement Unit List 37 Exploded Diag...

Page 7: ...oduct 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 X233H Panel LTM230HT01 A03 003 SZ SEC Signal Interface D Sub 15pin DVI 24pin Sync Type Separate Compatible Color Temp User A...

Page 8: ...alue which allows that the brightest two of 32 linear distributed gray scales 0 700mv can be distinguished Picture position and size Factory preset value Viewing angle 90 H and V AC Supply voltage 230V 5 50 3Hz Ambient temperature 20 5 Humidity 65 20 Display mode 1920 x 1080 60 Hz all white e color mode Set to User mode Measurement systems The units of measure stated in this document are listed be...

Page 9: ...7M Display mode 1920 x 1080 60Hz ON Mode 65W EPA ENERGY STAR OFF Mode 1W Contrast control Set to factory preset value 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 Peak surg...

Page 10: ...10 LCD Panel Specification of X233H General Specifications Block Diagram TFT LCD Module ...

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

Page 12: ...12 Optical Specifications ...

Page 13: ...0 60 000 P 60 000 P 108 000 VESA 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 1280x800 60Hz 1680 x 831 49 702 P 59 810 N 83 500 WXGA 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 1600x1200 60Hz 2160 x 1250 75 000 P 60 000...

Page 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 ...

Page 15: ...Memory SST25VF010A 33 4C SAE U402 Panel Interface CN301 Crystal 12MHz X401 Keypad Interface CN402 Scalar IC NT68667UFG C QFP 128L Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 D Data D Clock ...

Page 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 ...

Page 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 ...

Page 18: ...FER U703 IC AP1117D33L 13 TO252 3L DIODES 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 ...

Page 19: ...19 Installation ...

Page 20: ...20 ...

Page 21: ...p to indicate the power is turned 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 t...

Page 22: ...ement OSD Operation instructions Step 1 Press Key to open the 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 ...

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

Page 24: ...24 Adjusting the picture ...

Page 25: ...25 ...

Page 26: ...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 ...

Page 27: ...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 ...

Page 28: ...28 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 ...

Page 29: ...29 5 The panel ...

Page 30: ...pter 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 ...

Page 31: ...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 ...

Page 32: ...ase is low level X401 oscillate waveform is normal Check CN301is 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 ...

Page 33: ...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 ...

Page 34: ... 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 ...

Page 35: ... 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 ...

Page 36: ...36 Connector Information Chapter 5 ...

Page 37: ... 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 ...

Page 38: ...L23WA 8ACER3 S4 A34G1085 RX 3B0100 1 11 HINGE COVER L A33G0271 RX 1L0200 1 12 HINGE COVER R A33G0271 RX 2L0200 1 13 SPK 8OHM 2W 40X20X18 350 320MM KUAIDA 078G 518501 K 1 14 USB BOARD USB7QK4 1 15 SCREW 0Q1G 130 8120 7 16 SCREW 0M1G 130 6120 2 17 SCREW 0M1G 140 8125 4 18 STAND FRONT A34G0473 RX 1B0100 1 19 HINGE A37G0050 4 1 20 STAND REAR A34G0474 RX 1B0100 1 21 BASE A34G0475 RX 1B0130 1 22 BASE BK...

Page 39: ...Part List Above picture show the description of the following component Picture Description Part No Main_frame_Sam A15G0563101102 Bezel A34G1084 RXA1B0130 Panel 750GLS230HT132N000 Power Board PWPC8E41MQHU ...

Page 40: ...40 Main Board CBPCRNDAEQ1 Key Board KEPC7QK1 Stand Front A34G0473 RX 1B0100 Base A34G0475 RX 1B0130 Stand Rear A34G0474 RX 1B0100 ...

Page 41: ...41 Hinge A37G0050 4 USB BOARD USB7QK4 ...

Page 42: ...o Ltd Key Component 絬隔瓜絪腹 1 Acer B 2 5 Wednesday Nov ember 19 2008 称爹 2 0 Input G3108 1 X X 17 081119 候綼 U101 R104 1K 1 16W 5 C113 5pF 50V V_Sy nc DSUB_5V ZD105 RLZ5 6B 1 2 FB102 BEAD 5V_ESD 5V_ESD 5V_ESD VGA_R 1 2 FB105 120 OHM VGA_B VGA_PLUG VGA_G C107 1000pF R142 1K 1 16W 5 R111 100R 1 16W 5 R101 100R 1 16W 5 C114 0 047uF R112 75R 1 16W 5 VGA_G C106 0 047uF VGA_R C103 22pF C104 22pF ZD104 R...

Page 43: ...HM 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 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 Acer X203H Analog only 1 Acer A 3 5 Wednesday Nov ember 19 2008 称爹...

Page 44: ...6W 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 称爹 T P V Top Victory Electronics Co Ltd Key C...

Page 45: ...7 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 C PANEL_ID R431 NC 100R 1 16W 5 R429 NC 100R 1 16W 5 VSO HSO LED_ORANGE KEY2...

Page 46: ...TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 PWPC8E41MQHU H Custom 2 4 Wednesday Nov ember 05 2008 715G2824 H 5 ODM MODEL 03 POWER G2824 H 5 X 13 081105 R914 0 39 OHM 2W 5 F903 FUSE F902 FUSE 5V1 PID C901 1000pF C930 0 1uF C906 1500PF2KV C937 100pF 2KV bom change 2008 08 20 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 ...

Page 47: ...W R810 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 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 PWPC8E41MQHU H Custom 3 4 Wednesday Nov ember 05 2008 715G2824 H 5 ODM MODEL 02 INVERTER G...

Page 48: ... Ltd Key Component 絬隔瓜絪腹 PWPC8E41MQHU H Custom 4 4 Wednesday Nov ember 05 2008 715G2824 H 5 ODM MODEL 04 AUDIO G2824 H 5 X 13 081105 ROUT C612 0 1uF 16V R609 10K 1 10W 5 LOUT ROUT C604 100uF 25V R608 0R05 1 8W R606 6 2KOHM 5 1 10W 1 2 FB602 BEAD C606 0 47uF 16V 1 2 3 4 CN602 CONN C610 100pF R605 10K 1 10W 5 R607 6 2KOHM 5 1 10W C601 0 47uF 16V C603 0 47uF 16V C609 1uF 25V R603 10K 1 10W 5 C611...

Page 49: ... 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 称爹 T P V Top Victory Electronics Co Lt...

Page 50: ... 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 EGA10603V05A1 B 1 2 Z...

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