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Acer B243HL Service Manual
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Acer B243HL Service Manual

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Acer
Acer –LCD-B243HL
Service Manual
LCD Monitor Acer B243HL

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Summary of Contents for Acer B243HL

  • Page 1 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Service Manual LCD Monitor Acer B243HL...

  • Page 2: Table Of Contents

    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: Important Safety Notice

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Important Safety Notice Safety precautions This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user.

  • Page 4: Product Specification

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 01 Product Specification General: Acer B243HL is designed with LVDS interface and VGA/DVI-D input, it featured with embedded universal AC power supplies and audio input. It’s a green product and meets all ROHS standard. The power button and display control buttons are on the front of the monitor.
  • Page 5 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL USB cable(option) : 1.8m.(4pin, black cable with white connector) Audio cable(option) : 1.8m.( green cable with white connector) Operation Specifications The unit should suffer no visible cosmetic damage and should operate with no degradation in display quality during exposure to the operating conditions and after exposure to the non-operating conditions, in any sequence.
  • Page 6 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 2.2 Safety, EMC, Ergonomics and Compatibility Requirements Items Description UL/c TUV/G Other Safety ● ● ● ● VCCI-B ● ● ● ● TCO03 Ergonomics ● ● Windows Windows 2000 Windows...
  • Page 7 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Electrical and Optical Characteristics and Performance 3.1 Main Power Supply 3.1.1 Input characteristics Items Condition Spec Note AC Input Voltage range Universal input full range 90~264Vac AC Input Voltage rating...
  • Page 8 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Protection Condition Spec OPP(Over current protection) nominal AC input 60W ( min ) SCP(short circuit protection) with auto-recovery function OVP(Over voltage protection) Auto recovery <output capacitor voltage OTP(Over temperature protection)
  • Page 9 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 3.3 Brightness output The test to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Temperature : 25 ± 5°C Test pattern : white...
  • Page 10 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 3.5 Brightness uniformity The test standard conditions refer to Sec 3.3. Min. luminance nine points (backlight ≥ 75 Max. luminance nine points (backlight Input / Output Signal Specifications 4.1 AC in AC Input Voltage: 100~240VAC 4.1.1...
  • Page 11 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Symbol Symbol TMDS Data 2- Hot Plug Detect TMDS Data 2+ TMDS Data 0- TMDS Data 2/4 shield TMDS Data 0+ TMDS Data 0/5 shield DDC Clock DDC Data Clock shield...
  • Page 12 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Signal SPEC: 4.5.2 Items Condition Specification Analog RGB signal Input impedance =75 Ohm 0.7Vp-p Sync Input impedance ≧1k Ohm TTL level, Separate H/V-sync(+/-) H-Sync Frequency 30K~80KHz V-Sync Frequency 55~75Hz 4.6 Timing table...
  • Page 13 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 4.7 Audio output SPEC Specification Items TEST CONDITIONS THD+N = 10%﹐T 1KHz 1Vrms Output power (W) Output impedance (Ω) AT 1KHz 1Vrms Po≦ 2.0W Total harmonic distortion plus noise THD+N≦ 5%...
  • Page 14 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL VGA EDID table 4.8.1 FF FF FF FF FF FF 72 D3 00 35 1D 78 EA 60 85 A6 56 4A 9C B3 0C 00 D1 C0 02 3A 80...
  • Page 15 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Function Specifications All the tests to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. The standard conditions are: Temperature : 25 ± 5°C...
  • Page 16 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL LCD module defects 5.1.2 LCD module defects check follow to the IIS. 5.2 Keypad Function Control buttons 5.2.1 [POWER] Power on or power off the monitor A. When “Main OSD” displays, press these keys to change the contents of an adjustment item, or change an adjustment value [►], [◄]...
  • Page 17 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 5.3 OSD Structure The On-Screen Display (OSD) shall be an easy to use icon based menu through keypad OSD buttons or remote control unit. The unit shall leave the factory with all OSD controls set to their default values.
  • Page 18 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Full Wide Mode Full/ Aspect DDC/CI ON/OFF Full Wide Mode Full/ Aspect Input Source (Analg only) DDC/CI ON/OFF Resolution H. Freq Info V. Freq Analog/Digital Input ETL000….0000(22) Reset Exit Notes: (1) Clock default 50 is for Visa timing. Others depend on timing.
  • Page 19 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL FW IC Model Secondly ﹐ download FW software: first select “READ”, and then load FW software in Rooter (Fig.2). FW software rooter Software Checksum Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3.
  • Page 20 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Fourthly, 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...
  • Page 21 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL After connecting, AC ON, DC ON ◆Flowing chart Open ISP program Choose manufacturer and model of FW IC LOAD FW software Click Connect and enter ISP MODE Choose Config Click AUTO and RUN for...

  • Page 22: Flat Panel Specification

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 02. Flat Panel Specification...
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  • Page 44: Exploded Diagram

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 03 Exploded Diagram 3.1 B243HL_SCREW_LIST Fixed Item Part No. Description T(kg*cm Remark 50914630610 3.75 ± 0.25 FOR POWER SCREW P CROSS W/W-SPR M3*6 50900000070 D-SUB CON&DVI BOLT,#4-40x11.8,Ni 4.0±0.25 50921660811 SCREW,F,CROSS,M4*8,Zn,ROHS(NYLO 10.5 ±...

  • Page 45: Spare Parts List

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 05 Spare Pare parts List 8241Q172A120H ACER PART NO. OEM PART NO DESCRIPTION 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 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 50.L63VF.003 453030300120R CABLE AUDIO 1P 6FT BLACK/GREEN CP03B06P0 50.LA10J.003 453030300370R CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS 50.LBQ0J.001 453010100380R CABLE,D-SUB 15P MALE 6FT BLACK/BLUE, ROH 50.D030J.001 453030300360R CABLE,USB 6FT BLACK , 50.LGK0J.001...
  • Page 47 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 60.LDP0J.006 501020220030R COVER HINGE,BLACK ,RIGHT,FOR ADJUST,LE19D 60.LDP0J.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: Schematics And Layouts

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 06 Schematics and Layouts 6.1 IF BD Layout...
  • Page 49 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL I/F BD Layout...
  • Page 50 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 6.2 Switching Mode Power Supply circuit...
  • Page 51 All manuals and user guides at all-guides.com VGA5V D107 VCC4.5V BAT750-LF/NC DVI5V R173 0/NC R0805 Note 2 Note 1 Note 3 D101 CN101 U101 SSM24APT/NC VCC5V AP1084K33LA 8P 2.0mm VCC5V +3.3V +3.3V DIO--SMA VOUT +3.3V R101 CCFL_ON/OFF C101 C104 100u/16V R0805 0.1/16V C102...
  • Page 52 All manuals and user guides at all-guides.com CN102 Note 2 DZ11AA1-H5W6-4F RB101 R0603 RB102 R0603 RB103 R0603 VGA5V Note 1 C116 C117 C118 10p/50V/NC 10p/50V/NC 10p/50V/NC VGA_DET Note 3 D102 D103 D105 D104 BAV99 BAV99 BAV99 BAV99 C127 VCC_ESD C122 C123 C124 C125...
  • Page 53 All manuals and user guides at all-guides.com CN201 DVI-D_CON DVI_RX2- R201 RX2- RX2- DVI_RX2+ R202 RX2+ RX2+ DVI_RX1- R203 RX1- RX1- DVI_RX1+ R204 RX1+ RX1+ DVI_RX0- R205 RX0- RX0- DVI_RX0+ R206 RX0+ RX0+ R211 R212 DVI_RXC+ R207 RXC+ RXC+ DVI_RXC- R208 RXC- RXC-...
  • Page 54 All manuals and user guides at all-guides.com VDDP_33 +3.3V Note 1 AVDD_33 FB102 +3.3V VCC5V 60Ω VDDP_33 AVDD_33 VDDC_18 AVDD_18 C150 22u/16V C166 0.1/16V/NC RED+ RIN0P VDDC_18 AVDD_18 VCC5V_DET +1.8V R182 20K/NC RED- RIN0M GPIO_P00/SAR0/GPIO_P17/SAR0 R154 FB105 GREEN+ GIN0P GPIO_P01/SAR1/GPIO_P00/SAR1 R155 GREEN- GIN0M...
  • Page 55 R311 CN301 Q302 8P 2.0mm 90° R313 PMBT3904 VBUSPWR NC/R315 R316 NC/R317 L301 5V_US B FB303 Delete R315;R317 NC/20mH 120Ω 3A for Acer X233H OVRP1# PWR1 Date: 08/09/01 R325 R320 Tomxiao DD1M L302 CN303 NC/20mH VCC1 DD1P DD1- DD1+ GND1...
  • Page 56 change for FHD2102 All manuals and user guides at all-guides.com CN701 ID from 90 degree to 2*8P 2.54mm 180° Power Board 180 degree R_OUT- L_OUT- ROUT- ROUT- LOUT- R_OUT+ L_OUT+ ROUT+ ROUT+ LOUT+ AR_IN AL_IN MUTE EO_R SHUT R705 MUTE_IC EO_L Hp/Sp AGND...

  • Page 57: Assembly And Disassembly

    All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) Electrostatic gloves 2) Electric screwdriver: the length of sc the diameter of screwdriver top is Φ5*H5mm Sequence Item...
  • Page 58 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Assembly and Disassembly (continue) Insert IPC electric foam on the chassis like 1.Place the chassis on the cushion the attached Assemble after check, like the attached picture. chassis and 2.Insert power board into the...
  • Page 59 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL Assembly and Disassembly (continue) 1. Handle hexagonal screws and electric opener; Twist 2. Twist screw in the interface as hexagonal attached picture; screws 3. Place cushion on the designated location after iron frame is taken away.
  • Page 60 All manuals and user guides at all-guides.com Acer Acer –LCD-B243HL 1.insert the speaker cable into the PIN location of chassis like the attached picture Assemble 2.be sure the red cable is on the left the speaker and the green one is on the right.