Acer B243HL manuale d’uso

Acer Acer –LCD-B243HL - 0 - Service Manual LCD Monitor Acer B243HL[...]

1 1 T able of Content s Important Safety Notice ........................................................................................ 02 01 Product S pecification .......................................................................................... 03 02 Flat Panel S pecification .............................................................[...]

Acer Acer –LCD-B243HL 2 Import ant Safety Notice 1. Safety precautions This monitor is manufactured and tested on a ground pr inciple that a user ’s safety comes first. However , improper used or installation may cause damage to the monitor as well as to the user . W arning: z This monitor should be operated only at the corre ct power sources i[...]

Acer Acer –LCD-B243HL 3 01 Product S pecification 1. General: Acer B243HL is designed with L VDS interface and VG A/DVI-D input, it featured with embedded universal AC power supplies and audio input. It’s a green product and meet s all ROHS standard. The power button and display control buttons are on t he front of the monitor . The monitors sh[...]

Acer Acer –LCD-B243HL 4 USB cable(option) : 1.8m.(4pin, black cable with white connector) Audio cable(option) : 1.8m.( green cable with white connector) 2. Operation Specifications The unit should suffer no visible co smetic damage and shoul d operate with no degradati on in display quality during exposure to the operating c onditions and after e[...]

Acer Acer –LCD-B243HL 5 2.2 Safety , EMC, Ergonomics and Compatibility Requirement s Items Description UL/c CB TUV/G CCC Other Safety ● ● ● ● FCC CE CCC VCCI-B EMC ● ● ● ● TCO TCO03 Ergonomics ● ● Windows Windows 2000 Windows Windows Compatibility ● ● ● ● Energy S tar Power Mana g ement ● 2.3 Electrost atic Discharge[...]

Acer Acer –LCD-B243HL 6 3. Electrical and Optica l Characteristics and Performance 3.1 Main Power Suppl y 3.1.1 Input characteristics Items Condition Spec Note AC Input V oltage range Universal input full range 90~264Vac AC Input V oltage rating Universal input full range 100~240Vac AC input frequency range 90~264V ac 47~63Hz AC input frequency r[...]

Acer Acer –LCD-B243HL 7 Protection Condition Spec OPP(Over current protection) nominal AC input 60W ( min ) SCP(short circuit protection) with auto-recovery function OVP(Over voltage protecti on) Auto re covery <output capa citor voltage OTP(Over temperature protection) NA Fuse protection NA Table-1 Stat us H-sync V- s y n c V ideo Power LED P[...]

Acer Acer –LCD-B243HL 8 3.3 Brightness output The test to verify specifications in this secti on shall be performed under t he following standard conditions unless otherwise noted. T emperature : 25 ± 5°C T est pattern : white V ideo Resolution : 1920 x 1080 V ideo input level : 700 mV ± 2% W arm-up time : 30 minutes Set brightness control and[...]

Acer Acer –LCD-B243HL 9 3.5 Brightness uniformity The test standard conditions refer to Sec 3.3. % ≥ 75 ) (backlight points nine of luminance Max. ) (backlight points nine of luminance Min. 4. Input / Output Signal Specifications 4.1 AC in 4.1.1 AC Input V oltage: 100~240V AC 4.1.2 AC Input Current: 1.2A @100V ac, 0.6A @240V ac 4.1.3 AC Frequen[...]

Acer Acer –LCD-B243HL 10 Pin Symbol Pin Symbol 1 TMDS Dat a 2- 16 Hot Plug Detect 2 TMDS Dat a 2+ 17 TMDS Dat a 0- 3 TMDS Dat a 2/4 shield 18 TMDS Dat a 0+ 4 19 TMDS Data 0/5 shield 5 20 6 DDC Clock 21 7 DDC Data 22 Clock shield 8 Analog V ertical Sync 23 Clock + 9 TMDS Dat a 1- 24 Clock - 10 TMDS Dat a 1+ 1 1 TMDS Data 1/3 shield 12 TMDS Dat a 3[...]

Acer Acer –LCD-B243HL 11 4.5.2 Signal SPEC: 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 t able Mode Resolution (active dot) Resolution (total dot) Horizontal Frequency (KHz) Vertica[...]

Acer Acer –LCD-B243HL 12 4.7 Audio output SPEC Specifica tion Items Min TYP MAX TEST CONDITIONS Output power (W) 1.6 2.0 2.4 THD+N = 10 % ﹐ T 1K Hz 1Vrm s Output impedance ( Ω ) 3.4 4 4.6 A T 1KHz 1V rms T otal harmonic distortion plus noi se --- --- 10% Po ≦ 2.0W Signal to noise ratio (dB) 40 --- --- THD+N ≦ 5% PWM frequency (KHz) 200 25[...]

Acer Acer –LCD-B243HL 13 4.8.1 VGA 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 08 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 FC 00 42 32 34 5 33 48 4C 0A 20 20 [...]

Acer Acer –LCD-B243HL 14 5. Function Specifications All the tests to verify specific ations in this section shall be performed under the following st andard conditions unless otherwise noted . The st andard conditions are: T emperature : 25 ± 5°C W arm-up time : 30 minutes minimum Checking display modes : All the specified modes 5.1 Panel gener[...]

Acer Acer –LCD-B243HL 15 5.1.2 LCD module defects LCD module defect s check follow to the IIS. 5.2 Keyp ad Function 5.2.1 Control buttons [POWER] Power on or power of f the monitor [ ► ], [ ◄ ] A. When “Main OSD” displ ays, press these ke ys to change the content s of an adjustment item, or change an adjust ment value B. When “Main OSD?[...]

Acer Acer –LCD-B243HL 16 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 t he factory with all OSD controls set to their default values. First Second Third Control Range Default Value ACER eColor Management e mpow ering Technology --- Sta[...]

Acer Acer –LCD-B243HL 17 Wide Mode Full/ Aspect Full DDC/CI ON/OFF ON Wide Mode Full/ Aspect Full Input Source (Analg only) DDC/CI ON/OFF ON Resolution --- --- --- H. Freq --- --- --- V. Freq --- --- --- Analog/Digital Input --- --- --- Info S/N ETL000 … .0000(22) Reset --- --- --- --- Exit --- --- --- --- Notes: (1) Clock default 50 is for Vis[...]

Acer Acer –LCD-B243HL 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 Sof tware Checksum FW sof tware rooter[...]

Acer Acer –LCD-B243HL 19 Fourthly , select “AUTO”, and keep its default val ue. 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 it s speed in “E2PROM DEVICE SETTING”[...]

Acer Acer –LCD-B243HL 20 ◆ Flowin g chart Af ter connecting, AC ON, DC ON Open ISP program Choose manufacturer and model of FW IC LOAD FW sof tware Click Connect and enter ISP MODE Click AUTO and RUN for beginning programming T urn off power if p ro g rammin g is O K OK OK OK OK OK OK NG Choose Config and adjust pro g rammin g[...]

Acer Acer –LCD-B243HL 17 02. Flat Panel S pecification[...]

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Acer Acer –LCD-B243HL 39 03 Exploded Diagram 3.1 B243HL_SCREW_LIST Item Part No. Description Qty Fixed T(kg*cm ) Remark 1 509146306 10 2R SCREW P CROSS W/W -SPR M3*6 Zn 1 3.75 ± 0.25 FOR POWER 2 509000000 70 0R BOLT,#4-40x11.8,Ni 4 4.0 ± 0.25 D-SUB CON&DVI 3 509216608 11 0R SCREW,F,CROSS,M4*8,Zn,ROHS(NYLO K,35F) 4 10.5 ± 0.25 For back-cove[...]

Acer Acer –LCD-B243HL 40 05 Spar e Par e parts List 8241Q 172A120H AC ER PART NO. OE M PART NO D ESC RIPT I ON NA 55.LH40J .001 7931 11300700H PCBA ,I F/B (V 6,W/S PK, EMEA) ,LE24Q1-729 19.LH40J .001 793111400720H PC BA,P /I BOAR D,W/ SPK ,LE24Q1-7 29 19.LB N0J.001 7914015 00000R PCB A,K EYP AD B OARD ,LE9D 0-612 R OHS 55.LG K0J .003 7926803000 0[...]

Acer Acer –LCD-B243HL 41 50.L63V F. 003 453030300120R C ABLE A UD IO 1P 6FT BLA CK /G REEN C P03B06P0 50.LA 10J. 003 453030300370R CA BLE,D VI -D 18+ 1P MA LE 6FT BLA CK , R OHS 50.LB Q0J.00 1 453010100380R CA BLE,D -SU B 15P MALE 6 FT BLAC K /BL UE, R OH 50.D0 30J. 001 453030300360R C ABLE, USB 6FT BLA CK , 50.LG K0J .001 4303030 02440H HRN LVDS[...]

Acer Acer –LCD-B243HL 42 60.LD P0J .006 5 01020220030 R COVER HING E,B LAC K ,R I GHT ,F OR AD JU ST ,LE19D 60.LD P0J .005 5010 20220031R C OVER HI NGE,BLA CK ,LEFT ,F OR AD JU ST ,LE19D 60.LH40J .002 501020236213 R BAC K C OVER, B,AU O THI N LED,W/ DV I+ VG A+U SB, 60.LH40J .003 5012 60214700R ST AND, B,,L E24Q1 60.LH40J .004 7010000182 13R ASSY[...]

Acer Acer –LCD-B243HL 43 06 Schematics and Layout s 6.1 IF BD Layout[...]

Acer Acer –LCD-B243HL 44 I/F BD Layout[...]

Acer Acer –LCD-B243HL 45 6.2 Switching Mode Po wer Supply circuit[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A STONE Note: 1. CN101 is no lock ed packgae for normal model . CN101 is locked packgae fo r special model(Dell). 2. D101 must be co-layed wit h R101 3. U101 must contain TO263, TO252 and SOT223 package 4 . ZD101 must be co-layed w ith R113. ZD101 is used for ESD back dr ive.Reserved C111 for EMI issue. 5. P/I Boar[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A Note 3 Note: 1. R120 is reserved for Samsung model. 2. R0603 package for B ead. C116,C117,C118 are reserved for EMI or performance issue. 3. C122,C123, C124,C125 are reserved for ESD or EMI issue. 4. R126 is reserved for Samsung model. 5. C131,C132 are reserved for tuning performance issue. Note 1 Note 2 Note 4 S[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A HPD_DVI Note 1 Note 2 HDCP Function DVI_DET Note: 1. R215 is reserved for Samsung model. 2. R218 is reserved for some model. STONE V01 6 5 A4 COMMON MSTAR_TSUM5PEHJ DVI-INPUT 2008-1-30 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : HPD_DVI DVI_SDA DVI5V DVI_SCL HPD[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A Note 1 Note 2 LED_A MENU To Ke ypad Board Note 3 Note: 1. Each bypass capacitor ( 0.1u /16V) must be resp ective ly clo sed to pin th at is D C powe r i nput of scaler IC. 2. LE D blue drivi ng ci rcui t is r eserv ed fo r BenQ model. 3. Bypass capacitor C 167,C 168,C169,C170,C171,C172,C173 are for ESD and EM I i[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A To Camera M odule. Note:change D1P0 to pin2 change D1M0 to pin3 Date: 2008/09/01 Delete R315;R317 for Acer X233H Date: 08/ 09/01 Tomxia o V01 1 1 A1 X233H USB HUB 2008-09-01 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : DP0 DM0 VBUSPWR DM VBUSPWR DP DP DM DD3P DD2[...]

5 5 4 4 3 3 2 2 1 1 D D C C B B A A Power B oard AC OFF PoP no ise solution change C717 form 0.1u to 4.7u change for FHD2102 ID f rom 90 degree to 180 degree V05 2 2 B AUDIO COMMON BOARD PAM8603M Audio 2008-10-07 InnoLux Document Number : SIZE : TITLE : DATE : SHEET OF Rev : DRAWN BY : CHECK BY : APPRO BY : ROUT_N LOUT_N VOL MUTE_IC ROUT_P AR_IN LO[...]

Acer Acer –LCD-B243HL 46 7.0 Assembly and Disassembly The tool of Assembly and disassembly : 1) El ectrost atic gloves 2) Electric screwdriver: the length of screw driver top is 6±0.5c m and 15±0.5cm ; the diameter of screwdriver top is Φ 5*H5mm Se que nc e Ite m Phot o Pr oc e dur e s PN D e sc r ipt ion S1 Pla ce pane l 1. Tak e pane l o ut [...]

Acer Acer –LCD-B243HL 47 Assembly and Disassembly (continue) S4 As s em b l e chassis a nd PI b oard 1.Place the chassis o n the cushion a ft er che ck, like the a tt ache d pi cture . 2. I nse rt po w e r bo a rd int o the design a te d loca tion o f cha ssis,li ke the attached p i ct ur e. 701000018213R ASSY ,C HASS I S,B, A UO T HI N LED,W /DV[...]

Acer Acer –LCD-B243HL 48 Assembly and Disassembly (continue) S7 Tw is t he x a gona l screw s 1. Ha ndle he x a go nal s cr e ws a nd el ec t r i c op en er ; 2 . T wi s t s c rew i n t h e i n t er fac e as attached p i ct ur e; 3 . P l ac e c u s h i on on th e d es i g n ated l oc ati on aft er i r on f ram e i s tak en away . S8 Fix chassis f[...]

Acer Acer –LCD-B243HL 49 S11 Asse m ble the s p eak er 1 .in sert the s p eak er c ab le in to th e P I N lo cat io n of chassi s li ke t he a t ta ched pi ct ur e 2. be sur e t he r e d ca ble i s o n t he l ef t an d th e g reen on e is on the rig h t. 3 .b e su re the c ab le is ou t sid e of th e s p eaker. S12 In s e r t keypad cable I n ser[...]