Acer V233H Series Service Manual Download Page 29 | Manualshive

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Machine Disassembly

This chapter contains step-by-step procedures on how to disassemble the monitor-

V233H for maintenance.

The tool for disassembly is as follows:

Screwdriver, Hexagonal screwdriver, Putty knife.

Disassembly Procedure

1.Lay the monitor on a flat, soft and clean surface.

2. Remove the two piece of cover hinge and the four screws remarked in red to remove the hinge assembly.

Chapter 3

This Manual: http://www.manuallib.com/file/733325

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Summary of Contents for V233H Series

Page 1: ... com ManualLib com collects and classifies the global product instrunction manuals to help users access anytime and anywhere helping users make better use of products Home http www manuallib com Chinese http www shuomingshuku com This Manual http www manuallib com file 733325 ...

Page 2: ...1 Acer V233H Service Guide This Manual http www manuallib com file 733325 ...

Page 3: ...2 Service Guide Version and Revision Version Release Date Revision History Customer model TPV model A00 Apr 17 2009 Initial Release V233H TD9GA8D8W7ABDN This Manual http www manuallib com file 733325 ...

Page 4: ...rporated 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 their respective holders...

Page 5: ...al 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 reception which can be determ...

Page 6: ... 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 shock Never spill liquid...

Page 7: ...6 Main Board Layout 18 Installation 19 Chapter 2 Operating Instructions 21 User 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 32 Chapter 5 Connector Information 38 Chapter 6 FRU Field Replacement Unit List 39 Exploded Diagram 39 Chapter...

Page 8: ...ation 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 V233H Panel LM230WF1 TLA3 GZ LGD Signal Interface D Sub 15pin DVI 24pin Sync Type Separate Compatible Color Temp User Adjust Support DDC DDC2B...

Page 9: ...ales 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 document are listed below 1 gamma ...

Page 10: ...PA ENERGY STAR 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 Altitude 12 000 feet Storage Altitude 40...

Page 11: ... 23 inch diagonally measured active display area with FHD resolution 1080 vertical by 1920 horizontal pixel array Each pixel is divided into Red Green and Blue sub pixels or dots which are arranged in vertical stripes Gray scale or the brightness of the sub pixel color is determined with a 8 bit gray scale signal for each dot thus presenting a palette of more than 16 7M colors with Advanced FRC Fr...

Page 12: ...11 Electrical Characteristics Optical Specifications This Manual http www manuallib com file 733325 ...

Page 13: ...12 Factory Preset Timing of V233H This Manual http www manuallib com file 733325 ...

Page 14: ...trol 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 This Manual http www manuallib com file 733325 ...

Page 15: ...el Interface CN301 Crystal 12MHz X401 Key control Interface CN402 Scalar IC TSUMU58EHL LF 1 Include MCU ADC OSD U401 D Sub Connector CN101 H sync V sync RGB DVI Connector CN102 D Data D Clock EEPROM M24C04 U402 This Manual http www manuallib com file 733325 ...

Page 16: ...OFF Feedback Circuit Transformer PT801 MOSFET Q803 Lamp 5V Bridge Rectifier and Filter Feedback Circuit Rectifier diodes Output Circuit PWM Control TA9687GN IC801 Power Switch Q901 Photo coupler IC903 5V 16V Audio Power Amplifier APA2069JITUL IC601 PHONEJACK CN601 This Manual http www manuallib com file 733325 ...

Page 17: ...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 This Manual http www manuallib com file 733325 ...

Page 18: ...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 to be able to show the ...

Page 19: ...1117E33L 13 CN701 WAFER 9P RIGHT ANELE PITCH U106 IC AZC099 04S SOT23 6L CN301 CONNECTOR U107 IC AZC099 04S SOT23 6L X401 14 31818MHZ 32PF 49US0 U403 M24C04 WMN6TP SO8 CN101 D SUB 15PIN VERTICAL CONN WITH SCREW U402 SST25VF010A 33 4C SAE CN102 DVI 24PIN CONN F This Manual http www manuallib com file 733325 ...

Page 20: ...r and computer are switched off 2 Connect one end of the 24 pin DVI cable to the back of the monitor and the other end to the computer s port 2 Connect power cord Connect the power cord to 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 still does not function properly ...

Page 21: ...he release button as indicated then pull in the direction of the arrow to remove the base SCREEN POSITION ADJUSTMENT To optimize the viewing position you can adjust the monitor tilt by using both of your hands to hold the edges of the monitor as shown below The monitor can be adjusted to 15 degrees up or 5 degrees down This Manual http www manuallib com file 733325 ...

Page 22: ...or to navigate to the desired function press Enter to select the function Press or to change the settings of the current function 4 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...

Page 23: ...gement item will appear the Acer eColor OSD NOTE In MENU OSD the Acer eColor Management item doesn t have Multi language selection only English language Acer eColor Management main menu sub menu and description This Manual http www manuallib com file 733325 ...

Page 24: ...r function repeat steps 2 4 A Acer eColor Management If Acer eColor Management is selected the Acer eColor Management OSD will appear B User If User is selected the standard OSD will appear I Only analog input mode II Only digital input mode Acer eColor Management Operation instructions 1 Press the Empowering Key to open the Acer eColor Management OSD and access the scenario modes 2 Press or to se...

Page 25: ...24 Features and benefits USER main menu sub menu and description This Manual http www manuallib com file 733325 ...

Page 26: ...25 This Manual http www manuallib com file 733325 ...

Page 27: ...26 This Manual http www manuallib com file 733325 ...

Page 28: ...h 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 accessory power cord fo...

Page 29: ...ance The tool for disassembly is as follows Screwdriver Hexagonal screwdriver Putty knife Disassembly Procedure 1 Lay the monitor on a flat soft and clean surface 2 Remove the two piece of cover hinge and the four screws remarked in red to remove the hinge assembly Chapter 3 This Manual http www manuallib com file 733325 ...

Page 30: ... hooks position use the tool like the picture or other card to insert into the gap of bezel and rear cover b Disconnect the connector remarked in green PS be careful to Disconnect the Key board connector because the keyboard connector maybe damage The cable connect the MB and KB This Manual http www manuallib com file 733325 ...

Page 31: ...move the key board from the bezel 4 Remove the lamp connectors to remove the panel Put attention to the LVDS cable 5 Remove the screws remarked in red LVDS CABLE This Manual http www manuallib com file 733325 ...

Page 32: ...31 6 Remove the four screws remarked in red and disconnected remarked in green to remove the main board and power board 7 The panel This Manual http www manuallib com file 733325 ...

Page 33: ...ey 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 U701 Pin2 3 3V C704 1 8V OK OK NG NG NG Check U701 Q702 and Q703 Replace U401 Replace X401 NG OK This Manual http www manuallib com file 733325 ...

Page 34: ...Measure U701 Pin2 3 3V C704 1 8V Check Correspondent component Replace U401 X401 oscillate waveform is normal Check U701 Q702 and Q703 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 This Manual http www manuallib com file 733325 ...

Page 35: ...cillate 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 This Manual http www manuallib com file 733325 ...

Page 36: ...ot 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 This Manual http www manuallib com file 733325 ...

Page 37: ...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 This Manual http www manuallib com file 733325 ...

Page 38: ...ignal Check Interface board NG OK Check IC801 PIN10 16V NG OK Check ON OFF circuit Check IC801 PIN5 have triangle wave NG OK Change IC801 Check IC801 PIN8 PIN9 PWM wave NG OK Check Q805 Q806 IC801 Check the output of PT801 Check connecter lamp OK NG Change PT801 This Manual http www manuallib com file 733325 ...

Page 39: ...38 Connector Information D sub connect and DVI connect 15 Pin Color Display Signal Cable 24 Pin Color Display Signal Cable Chapter 5 This Manual http www manuallib com file 733325 ...

Page 40: ... 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 defective parts you shou...

Page 41: ...ER 23WA A34G1339AEM 9B0100 60 LG90B 002 1 6 STAND A34G1135AEM 1B0100 60 LF50B 003 1 7 BASE 8ACER1 S2 A34G1136AEM 1B0130 60 LG60B 004 1 8 BUTTON BASE A33G0380AEM 1L0100 1 9 COVER HINGE A33G0382AEM 1L0100 1 10 HINGE A37G0075 2 60 LG60B 006 1 11 FOOT Q12G6600 6 4 12 SCREW 42 D020523 0M1G1730 6120 1 13 SCREW 0G1G1130 8120 3 14 SCREW 0M1G 140 6125 4 15 SCREW FOR STD MF 0M1G1740 8120 3 This Manual http ...

Page 42: ...ng component Picture Description TPV Part No ACER Part NO Main_frame_Sam A15G0772302104 60 LG90B 003 Bezel A34G1338AEMA2 B0130 60 LG90B 001 Panel 750GLG230F1A3 3N000 55 LG90B 001 Power Board PWPC9E41MQKD 19 LF50B 001 This Manual http www manuallib com file 733325 ...

Page 43: ...42 Main Board CBPC9A8ABQ1 55 LG90B 001 Key Board KEPC8QK4 55 LBZ0B 005 Hinge A37G0075 2 60 LG60B 006 base A34G1136AEM 1B0130 60 LG60B 004 This Manual http www manuallib com file 733325 ...

Page 44: ...C SCL DDC SDA VSYNC DAT1 DAT1 1 3shield DAT3 DAT3 5V SYNC GND HPD DAT0 DAT0 0 5shield DAT5 DAT5 clk shield clk clk GND GND DSUB_H 2 C118 NC C124 0 1uF 16V U103 AZC099 04S 1 2 3 4 5 6 I O1 GND I O2 I O3 VDD I O4 RX0N DSUB_B 2 RX2N 2 DSUB_R 2 C108 0 047uF 候綼 U106 DSUB_SDA VGA_R VGA_G R131 10R 1 16W 5 R103 1K 1 16W 5 DSUB_G 2 R136 NC ESD_VCC1 DSUB_SCL R112 75R 1 16W 5 R119 100R 1 16W 5 GND POWER HDCP...

Page 45: ...p Victory Electronics Co Ltd Key Component 絬隔瓜絪腹 RXOC LVA3M R301 330 OHM 1 4W G RXO1 S PPWR_ON 2 PB2 PA9 LVB0M LVA1P PA2 PA5 LVBCKP LVBCKP C302 0 1uF 16V PB9 RXE3 LVA2P PB 0 9 2 LVA3P 1 RXO1 PB6 RXE0 RXE1 LVB2P PB7 LVB3M RXE0 U301 NC AO4411 1 2 3 4 8 7 6 5 S S S G D D D D LVACKP LVA1P LVB1M LVA3P LVA3M AO3401L D PB0 LVA1M PA4 LVA2P PB4 LVBCKM CN301 CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1...

Page 46: ...2 3 VSS VOUT VIN D702 CMVCC C701 0 1uF 16V MVCC Q703 KN2907AS Q701 2N3904S RTK PS VCC3 3 Mute FB702 300 OHM C711 0 1uF 16V D701 SM340A Volume 2 R702 10K 1 16W 5 VCC3 3 Internal EDID BAT54C External EDID DSUB_5V C707 100uF25V CN701 CONN 1 2 3 4 5 6 7 8 9 FB703 300 OHM PANEL_ID 2 adj_BACKLIGHT 2 R708 2 2 OHM 2W D702 BAT54C 3 1 2 C704 100uF25V C712 NC C713 NC Q702 KN2907AS FB701 NC MVCC_1 on_BACKLIGH...

Page 47: ...CKP LVA3M LVA3P GND GND R R G G AVDD_DVI B B CK CK GND GND GND AVDD_ADC VDDP MODE 1 MODE 0 VCTRL VDDC DDCA_SDA RS232_TX DDCA_SCL rs232_RX DDCD_SDA DDCD_SCL PWM0 GPIO_P26 AVDD_DVI VDDP GPIO_P15 PWM0 GPIO_P27 PWM1 GPIO_P12 GPIO_P00 SAR1 GPIO_P01 SAR2 GPIO_P02 SAR3 GPIO_P06 GPIO_P07 GPIO_P13 GPIO_P14 GPIO_P16 PWM2 GPIO_P11 I2C_MDA GPIO_P10 I2C_MCL RST GPIO_P23 GPIO_P22 AVDD_MPLL AVDD_PLL VDDP VDDP VD...

Page 48: ...107 C931 0 1uF D906 FMX 12SL 1 2 3 C935 0 001uF R938 10K 1 8W 5 Q903 KTD1028 R912 220 OHM 1 4W C921 1000pF 250V MUTE R910 10R 1 4W 5 C930 0 1uF R919 100 OHM 1 4W C928 0 01uF F901 FUSE FB901 BEAD 1 2 C900 3300pF 250V ON OFF R909 3 3 OHM 1 4W PWPC9E41MQKD 1 Custom 2 4 Thursday April 02 2009 715G2824 3 5 ODM MODEL 03 POWER G2824 3 5 X 35 090402 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T...

Page 49: ... 1 10W 5 L801 L 1 2 4 3 R848 0R05 1 8W R847 0R05 1 8W LV3 R801 10K 1 10W 5 C817 2PF6KV D801 IN4148 CN803 CONN 1 2 HV LV D807 BAV70 3 1 2 C806 2 2uF 16V R804 5K1 1 8W 5 C812 NC C814 220pF C818 1 5UF 10V R845 5 1K 1 10W 5 LV4 R836 56K 1 10W 5 R817 4R7 1 8W 5 C808 33NF50V LV3 R802 22R 1 8W 5 DIM C804 1000uF 25V D808 BAV70 3 1 2 R806 100K 1 10W 1 R811 82K1 10W R819 4R7 1 8W 5 C813 NC LV2 C815 0 1uF R8...

Page 50: ...eat sink 90G6295 3 ACER R601 10K 1 10W 5 R603 10K 1 10W 5 PWPC9E41MQKD 1 Custom 4 4 Thursday April 02 2009 715G2824 3 5 ODM MODEL 04 AUDIO G2824 3 5 X 35 090402 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 R609 10K 1 10W 5 C609 1uF 25V VOL R608 0R05 1 8W C610 100pF Q608 MMBT3904 5V1 C614 0 1uF 16V LOUT C613 100uF 25V Q607 MMBT3...

Page 51: ... 2007 715G2944 A 称爹 02 KEY G2944 A X X 1 071122 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 VOL R003 1KOHM 5 1 16W MENU SW001 JB41 03521 1 2 3 4 5 6 7 8 9 10 11 12 C005 NC LBADC2 C004 NC ECOLOR MENU 0 V VOL C006 NC C001 NC VOL LED_BLUE VOL R002 2K OHM 1 16W LED_RED LBADC2 LED LED_RED LED_BLUE LBADC1 ECOLOR POWER_Key POWER This...

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