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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: Service Manual

    Acer Acer –LCD-B243HL Service Manual LCD Monitor Acer B243HL - 0 -...
  • Page 2: Table Of Contents

    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 Table of Contents ...02...
  • Page 3: Important Safety Notice

    When replacing parts or circuit boards, clamp the lead wires around terminals before soldering. Keep wires away from high voltage, high temperature components and sharp edges. Keep wires in their original position so as to reduce interference. Adjustment of this product please refers to the user’ manual. Important Safety Notice Acer –LCD-B243HL...
  • Page 4: Product Specification

    (Dutch, Finnish, Russian depend on sale region) : 1.8 m. (Black. Cord type depend on sale region) : 1.8 m. (15 pin D-SUB, black cable with blue male connector) : English (640Mb CD) : 1.8 m. (18+1 pin, black cable with white connector) Acer –LCD-B243HL...
  • Page 5: Environmental Conditions

    +32°C/ 80% R.H., 12 hrs 12,000 feet at 25°C (hold 3.5 hrs) -30°C / humidity not controlled +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.(2hr) 39°C 40,000 feet at -30 °C (hold 1 hr) Acer –LCD-B243HL Specification...
  • Page 6 Energy Star ● Condition IEC61000-4-2(EN55024) Condition Spec Operating condition >15,000 Hours is 25°C Stable condition at 15,000 Hours(Typ) 25℃ Acer –LCD-B243HL Other ● ● Windows Windows ● Spec Contact discharge: 4KV Contact discharge: 8KV Air discharge : 8KV Air discharge...
  • Page 7 USB 5V: 4.75V~5.25V 25v loading:0A Vcc25V: 23.5V~30V 5V loading: 0.1A Vcc5V: 4.85V~5.35V Vcc5V/3.2A, Vcc25V/0.8A Audio 5V: 1A USB 5V: 2A <50mS AC input: 100V~240V >10mS <10% Acer –LCD-B243HL Spec 90~264Vac 100~240Vac 47~63Hz 50~60Hz 1.5A(max) 0.6A(max) 35A (max) See Note2 70A(max) ≥80% Spec...
  • Page 8 2.0 V (on) ≧ -0.3v ≤ V off ≤ 0.8 V (off) 30%~100% 1%~100% 42.9Vrms (Typ.), 44.2Vrms(Max) 20mA (Type.) 25mA (Max.) >75% Acer –LCD-B243HL Spec 60W ( min ) <output capacitor voltage Power ≤ 50W Blue < 2W Amber < 2W Amber <...
  • Page 9 : 25 ± 5°C : white : 1920 x 1080 : 700 mV ± 2% : 30 minutes Chromaticity Coordinate 9300K 0.283 ± 0.030 6500K 0.313 ± 0.030 Panel While x Acer –LCD-B243HL 0.297 ± 0.030 0.329 ± 0.030 Panel While y...
  • Page 10 Input impedance ﹕ ≧ 10K ohm 4.2.1 Frequency response range ﹕200Hz ~ 10kHz 4.2.2 4.3 USB in The USB 2.0 includes 4 pins: pin1:VBUS; pin2:DM; 4.4DVI-D in DVI-D Connector Pin assignment: luminance nine points luminance nine points pin3:DP; pin4:GND Acer –LCD-B243HL (backlight ≥ 75 (backlight...
  • Page 11 Red Ground Green Ground Blue Ground PC +3.3/+5V Sync. Ground DDC SDA H sync V sync DDC SCL Acer –LCD-B243HL Symbol Hot Plug Detect TMDS Data 0- TMDS Data 0+ TMDS Data 0/5 shield Clock shield Clock + Clock -...
  • Page 12: Timing Table

    1680x831 49.702 1792x795 47.712 1904x931 55.935 2240*1089 65.290 2160x1250 75.000 2576x1120 67.158 2200x1125 67.500 2080x1111 66.587 Acer –LCD-B243HL Specification 0.7Vp-p TTL level, Separate H/V-sync(+/-) 30K~80KHz 55~75Hz Vertical Nominal Pixel Write in EDID Clock (MHz) 59.941 25.175 72.809 31.500 66.66 30.24 70.087...
  • Page 13 EDID File Format : VESA’s EDID Standard Version #3, Revision #0, EDID Structure EDID Data Table : See the attached table (for example) Specification : Version #1, Revision #3. Acer –LCD-B243HL TEST CONDITIONS THD+N = 10%﹐T 1KHz 1Vrms AT 1KHz 1Vrms Po≦ 2.0W...
  • Page 14 4.8.1 4C 0A DVI EDID table 4.8.2 4C 0A 78 EA 60 B3 0C 78 EA 60 B3 0C Acer –LCD-B243HL D3 00 85 A6 56 4A 9C 00 D1 C0 38 2D 00 FC 00 FD 00 D3 00...
  • Page 15 276.75(Per one triad) × 276.75 16.7M colors (RGB 6-bit + Hi_FRC) 1920 × 1080 R.G.B. Vertical Stripe 250 cd/m (TYP.) 1000 (TYP.) 170(Horizontal) / 160(Vertical) Normally White 5ms (TYP. ON/OFF) Anti-Glare, 3H 2 Bar LED 556.0(W) ×323.2(H) ×9.9(D) (TYP.) Acer –LCD-B243HL Describe...
  • Page 16 Color AUTO MENU ◄ ► POWER FACTORY ● MODE HOT KEY OPERATION Acer –LCD-B243HL DESCRIPTION Press [e], and then press [POWER] for DC power on. OSD menu will be shown with “F” on the left top. Select “F” for entering factory mode.
  • Page 17: 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. First ACER eColor Management Brightness User Focus...
  • Page 18 FW IC, which should be correspondent with that of PCBA FW IC. Double click Figure One. Manufacturer of Scaler is Mstar) One port of ISP program card is connected to PC print port. Acer –LCD-B243HL Full Full ETL000….0000(22)
  • Page 19 Acer FW IC Model Secondly ﹐ download FW software: first select “READ”, and then load FW software in Rooter (Fig.2). Software Checksum Thirdly, select “Connect” and enter ISP MODE as in the following Figure 3. Acer –LCD-B243HL FW software rooter...
  • Page 20 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 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 and adjust beginning programming...
  • Page 22: Flat Panel Specification

    Acer Acer –LCD-B243HL 02. Flat Panel Specification...
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  • Page 44: Exploded Diagram

    3.2. LCD Exploded drawing (All) 03 Exploded Diagram Fixed Description T(kg*cm 3.75±0.25 4.0±0.25 10.5 ± 0.25 9.0 ± 0.25 6.0±0.25 3.75±0.25 Acer –LCD-B243HL Remark FOR POWER D-SUB CON&DVI For back-cover to STAND ASSY For hinge to stand-BACK Plate base to Base FOR POWER&IF...
  • Page 45: Spare Parts List

    Acer ACER PART NO. OEM PART NO 55.LH40J.001 793111300700H 19.LH40J.001 793111400720H 19.LBN0J.001 791401500000R 55.LGK0J.003 792680300000H 05 Spare Pare parts List DESCRIPTION PCBA,IF/B(V6,W/SPK,EMEA),LE24Q1-729 PCBA,P/I BOARD,W/SPK,LE24Q1-729 PCBA,KEYPAD BOARD,LE9D0-612 ROHS PCBA,USB BOARD,LE24Q2 Acer –LCD-B243HL 8241Q172A120H...
  • Page 46 CABLE,DVI-D 18+1P MALE 6FT BLACK , ROHS CABLE,D-SUB 15P MALE 6FT BLACK/BLUE, ROH CABLE,USB 6FT BLACK , HRN LVDS FFC 30P 166.5MM W/ALUMINUM FO HRN ASSY 2x4P to 8P 275mm UL3302#28 Con HRN ASSY 2x4P 75mm UL1571#28,ROHS ASSY,BEZEL,FRONT,B,PRINTING,LE24Q1 Acer –LCD-B243HL...
  • Page 47 Acer 60.LDP0J.006 501020220030R 60.LDP0J.005 501020220031R 60.LH40J.002 501020236213R 60.LH40J.003 501260214700R 60.LH40J.004 701000018213R LK.24005.016 631102240320HA COVER HINGE,BLACK ,RIGHT,FOR ADJUST,LE19D COVER HINGE,BLACK ,LEFT,FOR ADJUST,LE19D BACK COVER,B,AUO THIN LED,W/DVI+VGA+USB, STAND,B,,LE24Q1 ASSY,CHASSIS,B,AUO THIN LED,W/DVI+VGA+US LCP 24"M240HW01-V6-00(A)(AUO)HF Acer –LCD-B243HL...
  • Page 48: Schematics And Layouts

    Acer Acer –LCD-B243HL 06 Schematics and Layouts 6.1 IF BD Layout...
  • Page 49 Acer Acer –LCD-B243HL I/F BD Layout...
  • Page 50 Acer Acer –LCD-B243HL 6.2 Switching Mode Power Supply circuit...
  • Page 51 Note 1 CN101 VCC5V 8P 2.0mm CCFL_ON/OFF BRIGHTNESS 6 VOLUME MUTE To Power/Inverter Board Note 5 Note 4 ZD101 VCC5V VCC_ESD 6V2/NC R113 C111 CCFL_ENABLE R0805 0.1/16V Note: 1. CN101 is no locked packgae for normal model.CN101 is locked packgae for special model(Dell). 2.
  • Page 52 CN102 DZ11AA1-H5W6-4F VGA5V Note 1 Note 3 D102 BAV99 C122 0.1/16V/NC VGA_SCL VGA_SDA FB101 120Ω Note: 1. R120 is reserved for Samsung model. 2. R0603 package for Bead. C116,C117,C118 are reserved for EMI or performance issue. 3. C122,C123,C124,C125 are reserved for ESD or EMI issue. 4.
  • Page 53 CN201 DVI-D_CON DVI_RX2- RX2- DVI_RX2+ RX2+ DVI_RX1- RX1- DVI_RX1+ RX1+ DVI_RX0- RX0- DVI_RX0+ RX0+ DVI_RXC+ RXC+ DVI_RXC- RXC- DVI_SCL DVI_SDA DVI_DET HPD_DVI RX4- RX4+ DVI5V D202 RX3- BAV99 RX3+ RX5- RX5+ C203 C205 0.1/16V 0.1/16V D203 BAV99 C204 C206 0.1/16V 0.1/16V Note: 1.
  • Page 54 VDDP_33 +3.3V Note 1 AVDD_33 FB102 60Ω C150 22u/16V VDDC_18 AVDD_18 +1.8V FB105 60Ω C142 22u/16V C143 C144 C145 C146 C147 0.1/16V 0.1/16V 0.1/16V 0.1/16V 0.1/16V Note 2 VCC5V R161 Q106 LED_B_C PMBT3906/NC R162 10K/NC R163 330/NC R0603 LED_B R164 R0603 WP_FW VCC5V...
  • Page 55 100u/16 V 10u/25V +5V_U SB R311 CN301 Q302 8P 2.0mm 90° R313 PMBT3904 VBUSPWR NC/R315 R316 NC/R317 L301 Delete R315;R317 NC/20mH for Acer X233H Date: 08/09/01 Tomxiao R320 3.3V_USB R302 0/NC R303 R304 0/NC R305 R306 R307 R308 R309 R310...
  • Page 56 change for FHD2102 ID from 90 degree to 180 degree ROUT- ROUT+ AR_IN AL_IN LOUT_P +OUT_L PGNDL PGNDL LOUT_N -OUT_L PVDD MUTE_IC MUTE C714 AL_IN C715 0.47/16V R704 1u/16V R708 Volume C716 1u/16V U701 CN701 2*8P 2.54mm 180° Power Board R_OUT- L_OUT- ROUT-...
  • Page 57: Assembly And Disassembly

    Item Place panel Assemble Keypad Pad and Bezel Assemble front bezel Acer –LCD-B243HL 7.0 Assembly and Disassembly Photo Procedures 1.Take panel out of box and place it on the foam; 2.Tear open the PE bag and put it in the designated carton;...
  • Page 58 Fix USB board mainboard and power board Acer –LCD-B243HL Assembly and Disassembly (continue) Insert IPC electric foam on the chassis like 1.Place the chassis on the cushion the attached after check, like the attached picture. 2.Insert power board into the designated location of chassis,like the attached picture.
  • Page 59 Fix chassis Insert FFCcable Insert lamp wire Acer –LCD-B243HL Assembly and Disassembly (continue) 1. Handle hexagonal screws and electric opener; 2. Twist screw in the interface as attached picture; 3. Place cushion on the designated location after iron frame is taken away.
  • Page 60 Assemble back cover Fix stand Packing Acer –LCD-B243HL 1.insert the speaker cable into the PIN location of chassis like the attached picture 2.be sure the red cable is on the left and the green one is on the right.

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