Acer B243HL Service Manual
Acer B243HL - 24IN Ws LCD 1920X1080 Bmdrz VGA HDmi USB Manual
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Acer B243HL manual content summary:
- Acer B243HL | Service Manual - Page 1
Acer Acer -LCD-B243HL Service Manual LCD Monitor Acer B243HL - 0 - - Acer B243HL | Service Manual - Page 2
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 1 - Acer B243HL | Service Manual - Page 3
Acer Acer -LCD-B243HL Important Safety Notice 1. 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. Warning: z This monitor should be - Acer B243HL | Service Manual - Page 4
01 Product Specification Acer -LCD-B243HL 1. General: Acer B243HL is designed with LVDS interface and VGA/DVI-D the monitor. The monitors shall automatically to display lower resolution video modes into 1920x1080 full screen display. The image can be adjusted through OSD control. It support HDCP - Acer B243HL | Service Manual - Page 5
1.8m.( green cable with white connector) Acer -LCD-B243HL 2. Operation Specifications The unit should suffer no visible cosmetic damage -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.( - Acer B243HL | Service Manual - Page 6
Acer Acer -LCD-B243HL 2.2 Safety, EMC, Ergonomics and ● 2.3 Electrostatic Discharge Requirements Item Condition Spec Contact discharge: 4KV Electrostatic IEC61000-4-2(EN55024) Contact 15KV ● 2.4 Reliability Items MTBF LED Life time Condition Spec Operating condition >15,000 Hours is - Acer B243HL | Service Manual - Page 7
Input characteristics Acer -LCD-B243HL Items Condition Spec Note AC Input test, the buck capacitor need to be discharged. Before each test, it must be 10 minutes at least after the latest test. Hot star not component be damaged. See Note2 3.1.2 Output characteristics Items Condition Spec - Acer B243HL | Service Manual - Page 8
input with auto-recovery function Auto recovery NA NA Acer -LCD-B243HL Spec 60W ( min ) - Acer B243HL | Service Manual - Page 9
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 Test pattern Video Resolution Video input level Warm-up time : 25 ± 5°C : white : 1920 x 1080 : 700 mV ± 2% - Acer B243HL | Service Manual - Page 10
3.5 Brightness uniformity The test standard conditions refer to Sec 3.3. Acer -LCD-B243HL Min. luminance Max. luminance of of nine nine points points (backlight) (backlight) ‡75% 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 - Acer B243HL | Service Manual - Page 11
14 +5V Power 15 GND 4.5 VGA in 4.5.1 D-sub Connector Pin assignment: Acer -LCD-B243HL Pin Symbol 16 Hot Plug Detect 17 TMDS Data 0- 18 TMDS Data 0+ 19 TMDS Data 0/5 shield 20 21 22 Clock shield 23 Clock + 24 - Acer B243HL | Service Manual - Page 12
SPEC: Acer -LCD-B243HL Items Condition Specification Analog RGB signal Sync H-Sync Frequency V-Sync Frequency Input impedance =75 Ohm Input impedance Ú1k Ohm 0.7Vp-p TTL level, Separate H/V-sync(+/-) 30K~80KHz 55~75Hz 4.6 Timing table Mode Resolution (active dot) Resolution 500 30.24 28. - Acer B243HL | Service Manual - Page 13
Acer Acer -LCD-B243HL 4.7 Audio output SPEC Items Specification Min TYP MAX TEST CONDITIONS Output power (W) 1.6 2.0 2.4 THD+N = 10 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, - Acer B243HL | Service Manual - Page 14
Acer 4.8.1 VGA EDID table Acer -LCD-B243HL 0 1 2 3 4 5 6 7 8 9 ABCDE F 0 00 FF FF FF FF FF FF 00 04 72 D3 00 40 85 40 85 1 36 12 01 03 08 35 1D 78 - Acer B243HL | Service Manual - Page 15
Acer Acer -LCD-B243HL 5. Function Specifications All the tests to verify specifications in this section shall be performed under the following standard conditions unless (Horizontal) / 160(Vertical) Normally White 75 5ms (TYP. ON/OFF) Anti-Glare, 3H 2 Bar LED 556.0(W) ×323.2(H) ×9.9(D) (TYP.) 14 - Acer B243HL | Service Manual - Page 16
module defects check follow to the IIS. 5.2 Keypad Function 5.2.1 Control buttons Acer -LCD-B243HL [POWER MENU] [AUTO] [e Color ] 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 B. When - Acer B243HL | Service Manual - Page 17
Structure Acer -LCD-B243HL 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 Second Third Control Range Default Value e ACER eColor - Acer B243HL | Service Manual - Page 18
Source Wide Mode Full/ Aspect (Analg only) DDC/CI ON/OFF Resolution --- --- H. Freq --- --- Info V. Freq --- --- Analog/Digital Input --- --- S/N Reset --- Exit --- --- --- --- --- Acer -LCD-B243HL Full ON Full ON --------ETL000....0000(22) ----- Notes: (1) Clock default 50 - Acer B243HL | Service Manual - Page 19
Acer FW IC Model Acer -LCD-B243HL Secondlypdownload 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. 18 - Acer B243HL | Service Manual - 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 "E2PROM DEVICE SETTING" 19 - Acer B243HL | Service Manual - Page 21
Acer Acer -LCD-B243HL After connecting, AC ON, DC ON OK Open ISP program OK Choose manufacturer and model of FW IC OK LOAD FW software OK Click Connect - Acer B243HL | Service Manual - Page 22
Acer Acer -LCD-B243HL 02. Flat Panel Specification 17 - Acer B243HL | Service Manual - Page 23
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03 Exploded Diagram Acer -LCD-B243HL 3.1 B243HL_SCREW_LIST Fixed Item Part No. Description Qty T(kg*cm ) 50914630610 1 2R SCREW P CROSS W/W-SPR M3*6 1 3.75Ô0.25 Zn to Base 50914630620 6 SCREW P CROSS W/WAS M3*6 ZN-Cc 6 3.75Ô0.25 0R FOR POWER&IF 3.2. LCD Exploded drawing (All) 39 - Acer B243HL | Service Manual - Page 45
05 Spare Pare parts List ACER PART NO. OEM PART NO DESCRIPTION Acer -LCD-B243HL 8241Q172A120H 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 - Acer B243HL | Service Manual - Page 46
.LBQ0J.001 50.D030J.001 453030300120R 453030300370R 453010100380R 453030300360R Acer -LCD-B243HL CABLE AUDIO 1P 6FT BLACK/GREEN CP03B06P0 CABLE,DVI 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 - Acer B243HL | Service Manual - Page 47
.LDP0J.006 60.LDP0J.005 501020220030R 501020220031R Acer -LCD-B243HL COVER HINGE,BLACK ,RIGHT,FOR ADJUST,LE19D 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 - Acer B243HL | Service Manual - Page 48
Acer 06 Schematics and Layouts 6.1 IF BD Layout Acer -LCD-B243HL 43 - Acer B243HL | Service Manual - Page 49
Acer I/F BD Layout Acer -LCD-B243HL 44 - Acer B243HL | Service Manual - Page 50
Acer Acer -LCD-B243HL 6.2 Switching Mode Power Supply circuit 45 - Acer B243HL | Service Manual - Page 51
CON--JWT-A2008WV08P-1 C162 0.1/16V C175 0.1/16V 5 Note 1 CN101 D 8P 2.0mm 1 2 3 4 5 6 7 8 To Power/Inverter Board VCC5V CCFL_ON/OFF BRIGHTNESS 6 VOLUME 6 MUTE 6 4 3 VGA5V DVI5V VCC5V C101 100u/16V 1 2 Note 2 D107 VCC4.5V BAT750-LF/NC 3 R173 Note 3 0/NC R0805 D101 SSM24APT/NC DIO-- - Acer B243HL | Service Manual - Page 52
5 4 3 2 1 CN102 DZ11AA1-H5W6-4F 11 1 R 6 12 2 G 7 13 3 B 8 D 14 4 VGA5V 9 Note 1 15 5 10 75 1% 75 1% Note 2 RB101 R0603 RB102 R0603 RB103 R0603 0 0 0 C116 C117 C118 10p/50V/NC 10p/50V/NC 10p/50V/NC R114 R115 R116 75 1% 75 1% 75 1% C113 0.047u/16V C114 0.047u/16V - Acer B243HL | Service Manual - Page 53
5 4 3 CN201 DVI-D_CON D RX2RX2+ 1 2 GND RX1- 3 9 RX1+ 10 GND RX0RX0+ GND RXC+ RXC- 19 17 18 22 23 24 SCL SDA VS 6 7 8 C 5V GND HP RX4RX4+ GND 14 15 16 4 5 11 RX3- 12 RX3+ RX5- 13 20 RX5+ 21 B ZD201 6V2 C202 0.1/16V DVI_RX2DVI_RX2+ - Acer B243HL | Service Manual - Page 54
is DC power input of scaler IC. 2. LED blue driving circuit is reserved for BenQ model. RL112,RL113,RL114 are reserved for some panel spec. 6. CN103 is no locked packgae for 30 RXO1- 29 RXO1+ 28 RXO2- 27 RXO2+ 26 25 RXOC- 24 RXOC+ 23 RXO3- 22 RXO3+ 21 RXE0- 20 RXE0+ 19 18 - Acer B243HL | Service Manual - Page 55
PMBT3904 EP301 EP302 NC/R315 0 DP NC/R317 0 DM Delete R315;R317 for Acer X233H Date: 08/09/01 Tomxiao ESD ESD R316 R320 1 4 2 3 X2 12 VDD25 C322 10p/50V 3.3V_USB 13 BUS_B 14 TEST 16 AVSS(R) NEC-uPD720114 HTQFP48 17 AVDD 18 AVSS 19 38 SYSRSTB 37 23 VSS 24 VDD25 OVRP1# VSS 36 - Acer B243HL | Service Manual - Page 56
6 C715 0.47/16V R704 7 10K 8 9 10 R708 10K 11 12 +OUT_L PGNDL PGNDL -OUT_L PVDD MUTE VDD INL NC VDC Volume NC U701 PAM8603M +OUT_R 24 PGNDR 23 PGNDR 22 -OUT_R 21 PVDD 20 SHDN 19 GND 18 INR 17 NC 16 NC 15 VREF 14 NC 13 ROUT_P ROUT_N R703 - Acer B243HL | Service Manual - Page 57
Acer Acer -LCD-B243HL 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) Electrostatic not touch the lamp cord and place the surface of panel downsides on the cushion. 631102240320H LCP 24"M240HW01- A V6-00(A)(AUO)HF Assemble S2 Keypad Pad and Bezel Assemble the key board - Acer B243HL | Service Manual - Page 58
Acer -LCD-B243HL Assembly and Disassembly (continue) Insert IPC electric foam on the chassis like the attached 1.Place the chassis on the cushion after check, like the attached picture. ASSY,CHASSIS,B,A 2.Insert power board into the 701000018213R UO THIN LED Fix USB board mainboard and power - Acer B243HL | Service Manual - Page 59
hexagonal screws S8 Fix chassis Acer -LCD-B243HL Assembly and Disassembly (continue) 4 32 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. fix chassis into bezel - Acer B243HL | Service Manual - Page 60
S13 Assemble back cover S14 Fix stand S15 Packing Acer -LCD-B243HL 1.insert the speaker cable into LED,W /DVI+VGA+U SB, 1.Place stand on the location ,tear open the PE bag ,check if ok and take 4pcs screws to lock the stand as 501260214700R STAND,B,,LE24Q1 attched picture Release monitor