Acer B243HL Service Manual Download | Manualshive

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Table of Contents

Important Safety Notice ........................................................................................02

01 Product Specification  ..........................................................................................03
02 Flat Panel Specification  ......................................................................................21
03 Exploded Diagram  ..............................................................................................47
04 Troubleshooting ....................................................................................................49
05 Spare Parts List  ..................................................................................................54
06 Schematics and Layouts ......................................................................................58
07 Assembly and Disassembly ................................................................................73

Appendix : User’s manual

Copyright

Copyright 2006 InnoLux Tech. Corp. Ltd

All Rights Reserved

This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any
electronic or machine readable form without prior written permission of InnoLux Tech. Corp. Ltd.

Acer B243HL Service Manual

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Summary of Contents for B243HL

Page 1: ...Acer Acer LCD B243HL 0 Service Manual LCD Monitor Acer B243HL ...

Page 2: ...4 06 Schematics and Layouts 58 07 Assembly and Disassembly 73 Appendix User s manual Copyright Copyright 2006 InnoLux Tech Corp Ltd All Rights Reserved This manual may not in whole or in part be copied Photocopied reproduced translated or converted to any electronic or machine readable form without prior written permission of InnoLux Tech Corp Ltd Acer B243HL Service Manual ...

Page 3: ...plug the power cable immediately and consult your closed dealer z Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the class screen z Do not place heavy objects on the monitor or power cord 2 Product safety notice Many electrical and mechanical parts in this chassis have special safety visual insp...

Page 4: ...x 276 75 um V Display area 531 36mm H x 298 89mm V Brightness 250cd m TYP Contrast ratio 1000 1 TYP ACM 80000 1 Max Response time Tr Tf 5ms TYP ON OFF Viewing angle 170 H 160 V TYP Input interface Analog D sub 15 pin Digital Option DVI D 24 pin Power management Compatible with VESA DPMS Plug Play VESA DDCCI OSD language English French Spanish Italian Deutsch Simplified Chinese Traditional Chinese ...

Page 5: ...itions Operating Specification Low Temperature 0 C Relative Humidity is as low as possible 12 hrs High Temperature 40 C 20 R H 12 hrs High Humidity 32 C 80 R H 12 hrs Altitude 12 000 feet at 25 C hold 3 5 hrs Storage Low Temperature 30 C humidity not controlled High temperature low humidity 65 C 10 R H Test Profile 25 C 50 R H 2hrs 30 C No R H 12hrs 41 C 90 R H 12hrs 65 C 10 R H 12 Hrs 25 C 50 R H...

Page 6: ...tibility Energy Star Power Management 2 3 Electrostatic Discharge Requirements 2 4 Reliability Items Condition Spec Note MTBF Operating condition is 25 C 15 000 Hours LED Life time Stable condition at 25 15 000 Hours Typ Note1 Note1 Operating with fixed driving current Item Condition Spec Contact discharge 4KV Contact discharge 8KV Air discharge 8KV Electrostatic Discharge IEC61000 4 2 EN55024 Air...

Page 7: ...tics Items Condition Spec Note 25V output 1500mv 5V output 300mv Audio 5V output 500mv USB 5V output 150mv With system See note 3 25V output 480mv 5V output 100mv Audio 5V output 100mv Ripple and Noise USB 5V output 100mv With dummy Load 25V loading 0 1A 0 8A 5V loading 0 75A 3 2A Audio 5V 0A 1A USB 5V 0A 2A Vcc25V 23 5V 29V Vcc5V 4 85V 5 35V Audio 5V 4 5V 5 5V USB 5V 4 75V 5 25V For system active...

Page 8: ...on on on active 50W Blue off on blanked 2W Amber on off blanked 2W Amber Power Saving off off blanked 2W Amber Power Off 1W Off 3 2 Backlight Power Supply Panel M240HW01 V6 Items Specification Lamp 2 Bar LED Input Voltage 23 5 29V Input current 0 6A Typ 0 8A Max On Off switch level 3 6V V on 2 0 V on 0 3v V off 0 8 V off Brightness PWM Duty ACM Off 30 100 Brightness PWM Duty ACM On 1 100 LED Volta...

Page 9: ...920 x 1080 Video input level 700 mV 2 Warm up time 30 minutes Set brightness control and also contrast control at maximum to measure the screen center the light output shall BL 200 cd m2 3 4 White balance The test standard conditions refer to Sec 3 3 Brightness and contrast are under default value Chromaticity Coordinate Mode x y Cool 9300K 0 283 0 030 0 297 0 030 Warm 6500K 0 313 0 030 0 329 0 03...

Page 10: ...nce Min 4 Input Output Signal Specifications 4 1 AC in 4 1 1 AC Input Voltage 100 240VAC 4 1 2 AC Input Current 1 2A 100Vac 0 6A 240Vac 4 1 3 AC Frequency Range 50 60Hz 4 2 Audio in 4 2 1 Input impedance 10K ohm 4 2 2 Frequency response range 200Hz 10kHz 4 3USB in The USB 2 0 includes 4 pins pin1 VBUS pin2 DM pin3 DP pin4 GND 4 4DVI D in DVI D Connector Pin assignment ...

Page 11: ...DC Data 22 Clock shield 8 Analog Vertical Sync 23 Clock 9 TMDS Data 1 24 Clock 10 TMDS Data 1 11 TMDS Data 1 3 shield 12 TMDS Data 3 13 TMDS Data 3 14 5V Power 15 GND 4 5 VGA in 4 5 1 D sub Connector Pin assignment Pin Symbol 1 Red Video 2 Green Video 3 Blue Video 4 N C 5 Ground 6 Red Ground 7 Green Ground 8 Blue Ground 9 PC 3 3 5V 10 Sync Ground 11 N C 12 DDC SDA 13 H sync 14 V sync 15 DDC SCL ...

Page 12: ...37 320 60 000 48 964 N A 1024x768 60Hz 1344x806 48 363 60 004 65 000 24H XGA 1024x768 70Hz 1328x806 56 476 70 069 75 000 24H 1152x864 75Hz 1600x900 67 5 75 108 26H 27H VESA 1280x960 60Hz 1800x1000 60 60 108 N A SXGA 1280x1024 60Hz 1688x1066 63 981 60 020 108 000 2EH 2FH VESA 1280x720 60Hz 1650x750 44 955 59 940 74 176 N A 1280x800 60Hz 1680x831 49 702 59 810 83 500 28H 29H WXGA 1360x768 60Hz 1792x...

Page 13: ... 1KHz 1Vrms Total harmonic distortion plus noise 10 Po 2 0W Signal to noise ratio dB 40 THD N 5 PWM frequency KHz 200 250 300 Note The low pass RC Filter R 100Ω C 0 047uF for Class D Output Power and THD N Measurement 4 8 DDC data EDID File Format VESA s EDID Standard Version 3 Revision 0 EDID Structure Version 1 Revision 3 EDID Data Table See the attached table for example ...

Page 14: ... 00 FD 00 37 6 4B 1E 50 12 00 0A 20 20 20 20 20 20 00 00 00 FF 7 00 4C 38 35 34 4C 38 35 34 34 30 31 30 0A 00 CS 4 8 2 DVI EDID table 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 04 72 D3 00 40 85 40 85 1 36 12 01 03 80 35 1D 78 EA 60 85 A6 56 4A 9C 25 2 12 50 54 B3 0C 00 71 4F 81 00 95 00 D1 C0 81 80 3 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 4 45 00 13 2A 21 00 00 1A 00 00 00...

Page 15: ...ral specifications 5 1 1 General specifications Item Describe Supplier AUO Model name M240HW01 V6 Display Area 531 36 298 89 Pixel Pitch 276 75 Per one triad 276 75 Display Colors 16 7M colors RGB 6 bit Hi_FRC Number of Pixel 1920 1080 Pixel Arrangement R G B Vertical Stripe Brightness 250 cd m2 TYP Contrast Ratio 1000 TYP Viewing Angle 170 Horizontal 160 Vertical Display Mode Normally White Frame...

Page 16: ...ys press MENU to perform function of menu icon that is highlight or enter next level menu AUTO A When Main OSD un displays press AUTO to perform auto adjustment B When Main OSD displays press AUTO to return to previous level menu C When Empowering Technology OSD displays press AUTO to exit the OSD e Color A When Main OSD un displays press e Color to show Empowering Technology OSD B When Main OSD d...

Page 17: ...mode 60 Contrast 0 100 Movie mode 56 User mode 77 Text mode 44 Standard mode 77 Graphics mode 97 Brightness 0 100 Movie mode 77 Brightness User ACM OFF Focus 0 100 Depend on each timing Image Clock 0 100 50 1 H Position 0 100 50 Position V Position 0 100 Depend on each timing Warm 6500K Cool 9300K Red 0 100 80 Green 0 100 80 Color User Blue 0 100 80 NO EMEA EMEA English English Deutsch Deutsch Esp...

Page 18: ...uipment PC ISP card signal cable and power cable ESD requirements antistatic wrists antistatic gloves fingers and connecting cable Name of ISP program ISP_Tool_v3 7 5 exe Manufacture of FW IC PMC SST MX 6 2 Operational steps 1 Connection connect PC to PCBA with signal cable and then keep AC and DC in open state 2 Adjust ISP programming Firstly double click ISP_Tool_v3 7 5EXEI and open ISP program ...

Page 19: ...43HL 18 Secondly download FW software first select READ and then load FW software in Rooter Fig 2 Thirdly select Connect and enter ISP MODE as in the following Figure 3 FW IC Model Software Checksum FW software rooter ...

Page 20: ... select AUTO and keep its default value Click RUN for beginning programming There will be prompting if programming is OK Note if programming fails or success rate is not high click Config and adjust its speed in E2PROM DEVICE SETTING ...

Page 21: ...AC ON DC ON Open ISP program Choose manufacturer and model of FW IC LOAD FW software Click Connect and enter ISP MODE Click AUTO and RUN for beginning programming Turn off power if programming is OK OK OK OK OK OK OK NG Choose Config and adjust programming ...

Page 22: ...Acer Acer LCD B243HL 17 02 Flat Panel Specification ...

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Page 44: ...R BOLT 4 40x11 8 Ni 4 4 0 0 25 D SUB CON DVI 3 50921660811 0R SCREW F CROSS M4 8 Zn ROHS NYLO K 35F 4 10 5 0 25 For back cover to STAND ASSY 4 509412610500 R SCREW B CROSS T T 4 10 BLK ROHS 2 9 0 0 25 For hinge to stand BACK 5 50911260610 0R SCREW P CROSS T T4 6 Zn ROHS 1 6 0 0 25 Plate base to Base 6 50914630620 0R SCREW P CROSS W WAS M3 6 ZN Cc 6 3 75 0 25 FOR POWER IF 3 2 LCD Exploded drawing A...

Page 45: ...ER PART NO OEM PART NO DESCRIPTION NA 55 LH40J 001 793111300700H PCBA IF B V6 W SPK EMEA LE24Q1 729 19 LH40J 001 793111400720H PCBA P I BOARD W SPK LE24Q1 729 19 LBN0J 001 791401500000R PCBA KEYPAD BOARD LE9D0 612 ROHS 55 LGK0J 003 792680300000H PCBA USB BOARD LE24Q2 ...

Page 46: ...Q0J 001 453010100380R CABLE D SUB 15P MALE 6FT BLACK BLUE ROH 50 D030J 001 453030300360R CABLE USB 6FT BLACK 50 LGK0J 001 430303002440H HRN LVDS FFC 30P 166 5MM W ALUMINUM FO 50 LGK0J 002 430300802940H HRN ASSY 2x4P to 8P 275mm UL3302 28 Con 50 LBP0J 001 430300801800R HRN ASSY 2x4P 75mm UL1571 28 ROHS 60 LH40J 001 714030030100R ASSY BEZEL FRONT B PRINTING LE24Q1 ...

Page 47: ...DP0J 005 501020220031R COVER HINGE BLACK LEFT FOR ADJUST LE19D 60 LH40J 002 501020236213R BACK COVER B AUO THIN LED W DVI VGA USB 60 LH40J 003 501260214700R STAND B LE24Q1 60 LH40J 004 701000018213R ASSY CHASSIS B AUO THIN LED W DVI VGA US LK 24005 016 631102240320HA LCP 24 M240HW01 V6 00 A AUO HF ...

Page 48: ...Acer Acer LCD B243HL 43 06 Schematics and Layouts 6 1 IF BD Layout ...

Page 49: ...Acer Acer LCD B243HL 44 I F BD Layout ...

Page 50: ...Acer Acer LCD B243HL 45 6 2 Switching Mode Power Supply circuit ...

Page 51: ...ON OFF CCFL_ON OFF GND GND GND GND GND GND GND GND 3 3V VCC5V 1 8V VCC5V 3 3V 3 3V VLCD VCC5V VCC5V VCC_ESD VCC4 5V VGA5V DVI5V C162 0 1 16V R103 10K R107 100K U101 AP1084K33LA 3 1 2 4 VIN ADJ VOUT PAD C112 1u 16V D107 BAT750 LF NC 3 2 1 D101 SSM24APT NC DIO SMA ZD101 6V2 NC U102 LD1117AL 1 8V 3 1 2 4 VIN ADJ VOUT PAD C175 0 1 16V R105 4K7 C103 22u 16V C104 0 1 16V Q102 2N7002 NC 1 3 2 C101 100u 1...

Page 52: ...15 75 1 D105 BAV99 1 3 2 R132 100 R127 4K7 R128 4K7 D103 BAV99 1 3 2 R117 75 1 R120 0 NC R116 75 1 R130 1K C131 33p 50V NC D104 BAV99 1 3 2 U103 AT24C02BN 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC RB103 0 R0603 R136 2K2 R129 10K C117 10p 50V NC R131 100 ZD102 6V2 R114 75 1 C119 0 047u 16V R118 75 1 C122 0 1 16V NC C132 33p 50V NC D102 BAV99 1 3 2 R119 75 1 FB101 120Ω R126 0 NC C129 33p 50V C114 ...

Page 53: ...X4 SCL SDA VS RX1 RX1 GND RX3 RX3 5V GND HP RX0 RX0 GND RX5 RX5 GND RXC RXC C205 0 1 16V D205 BAV99 1 3 2 R213 10K R211 4K7 ZD202 6V2 R219 4K7 D204 BAV99 1 3 2 D207 BAV99 1 3 2 U201 AT24C02BN 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC R208 10 R209 100 D210 BAV99 1 3 2 R215 0 NC R214 1K ZD204 6V2 R203 10 D209 BAV99 1 3 2 C211 0 1 16V C207 0 1 16V C204 0 1 16V R218 100 NC C212 0 1 16V R217 10K D206...

Page 54: ... 26 28 30 7 9 11 13 15 17 19 21 23 25 27 29 5 R162 10K NC C138 0 1 16V R166 10K C171 0 1 16V X101 14 31818MHz RL111 0 NC R157 100 CN104 2x4P 2 0mm CON CLX CI0108P1VDL 1 1 2 3 4 5 6 7 8 FB105 60Ω C153 0 1 16V R155 1K R164 0 R0603 C161 0 1 16V C148 1u 16V C144 0 1 16V TSUMU58EHJ LF 1 28 25 26 23 27 24 22 32 33 7 31 30 41 43 42 44 51 80 128 127 81 82 83 84 85 86 91 92 93 94 95 96 97 98 99 100 79 78 7...

Page 55: ...2 0 1 16V X301 30 000MHz R322 0 NC R338 NC 0 NEC uPD720114 HTQFP48 U302 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 VDD25OUT VSSREG LED4 LED3 LED2 LED1 GREEN AMBER VDD33 X1 X2 VDD25 BUS_B TEST RREF AVSS R AVDD AVSS AVDD ADD33 DMU DPU VSS VDD25 DM1 DP1 VSS DM2 DP2 VDD33 DM3 DP3 VDD25 DM4 DP4 VSS SYSRSTB PPB4 ...

Page 56: ... C724 0 1 16V C703 100p 50V R704 10K FB701 120Ω 3A R705 10K C707 470p 50V C716 1u 16V C704 100p 50V C712 10u 25V FB702 120Ω 3A C705 1500p 50V Q702 PMBT3904 1 3 2 C717 4 7u 10V CN701 2 8P 2 54mm 180 9 2 4 10 8 6 12 11 1 5 3 7 13 15 14 16 AL 5V AGND AL SHUT VOL AR AR GND EO_L Hp Sp EO_R ROUT ROUT LOUT LOUT U701 PAM8603M 1 2 20 17 7 4 23 24 22 3 10 11 12 14 15 13 18 8 21 5 16 9 19 6 OUT_L PGNDL PVDD ...

Page 57: ...arton 3 Place panel on the foam like the attached picture Remark Do not touch the lamp cord and place the surface of panel downsides on the cushion 631102240320H A LCP 24 M240HW01 V6 00 A AUO HF S2 Assemble Keypad Pad and Bezel Assemble the key board designated location on the Bezel like the attached picture 791401500000R PCBA KEYPAD BOARD LE9D0 612 ROHS S3 Assemble front bezel 1 Put the bezel on ...

Page 58: ...oard and Connect USB board mainboard and power board 1 Take FFC cable main board check the board if OK 2 Insert FFC cables into designated location 3 connect USB board I Fboard P I board and like the picture location 4 Check the FFC cable if OK 430303002440H HRN LVDS FFC 30P 166 5MM W ALUMINUM FO S6 Fix USB board mainboard and power board Fix USB board mainboard and power board like the picture 79...

Page 59: ...rame is taken away S8 Fix chassis fix chassis into bezel hook as attached picture 701000018213R ASSY CHASSIS B A UO THIN LED W DVI VGA U S S9 Insert FFCcable 1 Insert FFC cable into desiganted connector and use jig to insert it 2 Tear off foil to stick the cable for fix S10 Insert lamp wire Insert 4pcs lamp wire into the relevant position and make sure the red one is on the left and the blue is on...

Page 60: ...ed location as attached picture 430300802940H HRN ASSY 2x4P to 8P 275mm UL3302 28 Con S13 Assemble back cover Buckle back cover according to the sequence as attached picture and check if the cover is fixed properly 501020236213R BACK COVER B AUO THIN LED W DVI VGA U SB S14 Fix stand 1 Place stand on the location tear open the PE bag check if ok and take 4pcs screws to lock the stand as attched pic...

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