Samsung 2232BW - SyncMaster - 22" LCD Monitor Training Manual Download Page 34 | Manualshive

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3. Assembly and Disassembly

Caution

:

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1. Make sure to turn off the monitor before starting the disassembly.

2. Never use metal tools other than the jig provided when disassembling the product.

3. For the disassembly, carefully follow the steps given below.

4. The jig for opening the back cover: BH81-00001A

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Summary of Contents for 2232BW - SyncMaster - 22" LCD Monitor

Page 1: ...대 외 비 보 존 기 한 3 년 Pebble 2032BW GW 2232BW GW Training M anual Development 3 Group Development 6 VD Lab ...

Page 2: ...Contents Pr oduct Over vi ew Ci r cui t Des cr i pt i on As s em bl y and Di s as s em bl y Tr oubl es hoot i ng How t o Execut e MCU Code ...

Page 3: ...oduct Features Feat ur e Scaler MICOM inside Dual signal SE657MRH scaler Power Consumption 45W 2032 50W 2232 DPMS under 1 W Gl ar e Panel 2032GW 2232GW Non Gl ar e 2032BW 2232BW Response Time 2ms Dynamic Contrast Typ 3000 1 ...

Page 4: ... ed Res ol ut i ons VGA W SXGA VGA W SXGA Hor i zont al Synchr oni zat i on 30 81kHz 30 81kHz Sync Type Sep Com p SOG Sep Com p SOG Ver t i cal Fr equency 56 75Hz 56 75Hz Vi ewi ng Angl e 160o 160o CR 10 160o 160o CR 10 Res pons e Ti m e 2m s G t o G 2m s G t o G Si gnal I nput Anal og DVI Di gi t al wi t h HDCP Anal og DVI Di gi t al wi t h HDCP Power Cons um pt i on 45W at t Max 50W at t Max Si ...

Page 5: ... The brightness setting for playing Internet games Stronger than 225 cd m2 Sports The brightness and color temperature settings for watching sports programs Stronger than 180 cd m2 8000K Movie The brightness and color temperature settings for watching movies Stronger than 200 cd m2 6500K Dynamic Contrast Dynam i c Cont r as t i s t o aut om at i cal l y det ect di s t r i but i on of i nput t ed v...

Page 6: ...2 0 Mode 3 Adjusts the entire screen to look darker using the Scaler Gamma 2 4 Sharpness Sharpness Makes characters look smooth or clear when they appear overlapped or spread because the signals input from the PC have a lot of peakings RTA RTA A function that accelerates the response speed of the panel so as to provide a sharper and more natural video display 1 Product Overview Product Specificati...

Page 7: ...On Off 1 Product Overview M agic Color Al l R G B Col or s Expanded DEMO m ode ...

Page 8: ...1 Product Overview M agic Color Except Ski n Tone ...

Page 9: ... pin D sub connector on the back of your monitor 2 2 Using the DVI Digital connector on the video card Connect the DVI Cable to the DVI Port on the back of your Monitor 2 3 Connected to a Macintosh Connect the monitor to the Macintosh computer using the D sub connection cable 2 4 If you are using an old model Macintosh connect the monitor and the Macintosh using a Macintosh adapter sold separately...

Page 10: ...50 60 720 x 576p 50 60 1280 x 720p 50 60 The DVI digital visual interface delivers video images with very high resolution and essentially perfect quality You can enjoy digital contents with DVI interface HDCP supported DVD Pl ayer wi t h HDCP Cont ent s HDMI DVI HDMI Adapt er HDCP s uppor t ed m odel ...

Page 11: ... 75 062 100 000 VESA 640 x 480 37 500 75 000 31 500 VESA 640 x 480 37 861 72 809 31 500 VESA 800 x 600 35 156 56 250 36 000 VESA 800 x 600 37 879 60 317 40 000 VESA 800 x 600 46 875 75 000 49 500 VESA 800 x 600 48 077 72 188 50 000 VESA 1024 x 768 48 363 60 004 65 000 VESA 1024 x 768 56 476 70 069 75 000 VESA 1024 x 768 60 023 75 029 78 750 VESA 1152 x 864 67 500 75 000 108 000 VESA 1280 x 1024 60...

Page 12: ...1 Product Overview OSD Functions 1 MENU 2 MagicBright Down 3 Brightness Up Button 4 Enter Source Button 5 Auto 6 Power Button ...

Page 13: ...es In this case adjust the brightness and clearness using the menu 2 Text Text mode provides the same brightness level of general monitors appropriate for text editing 3 I nt er net Internet mode provides enhanced brightness while maintaining a level of text readability appropriate to the Internet environment where text and images are combined 4 Gam e Game mode provides a brightness level appropri...

Page 14: ...een Adj us t m ent But t on Use this button to move around the OSD menu or change the value Ent er Sour ce But t on Press this button to select a function AUTO But t on Press this button to perform auto adjustments Power But t on Press this button to turn the monitor on or off Br i ght nes s But t on ...

Page 15: ...one Cool Normal Warm Custom Color Control Red Green Blue Gamma Mode1 Mode2 Mode3 Coarse Fine Sharpness H Position V Position Language H Position V Position Transparency Display Time Auto Source Image Reset Color Reset RTA Source Frequency Resolution Custom Text Internet Game Sport Movie Dynamic Contrast 1 Product Overview OSD Tree ...

Page 16: ...tering the Service Menu Set both the brightness and the contrast to 0 on the menu and then hold down the Enter button for five 5 seconds while the menu is displayed 3 Color Calibration Select OSD Language English from the menu and then hold down the Enter button for five 5 seconds while the menu is displayed The screen is in 16 gray colors 4 Menu Lock Hold down the Menu button for five 5 seconds ...

Page 17: ...1 Product Overview 2032 Compatibility Evaluation Results ...

Page 18: ...1 Product Overview 2232 Compatibility Evaluation Results ...

Page 19: ...1 Product Overview Specifications of Options ...

Page 20: ...eceives external PC analog signals and then outputs the video signals to the panel using a Scaler and also outputs the same signals as external input 3 I P BOARD Inverter SMPS BOARD 4 Funct i on But t on Transfers the input signals where the Function button is used to the main board and displays the LED ...

Page 21: ...Circuit Description New Part Scaler SE758MRH LF Use a type of scaler with an embedded MCU core Detailed Specifications On Chip Microcontroller On Chip OSD Controller LVDS RSDS Transmitters 128 QFP Package ...

Page 22: ...2 Circuit Description Panel Part ...

Page 23: ...ter transformer is high Power Protection All panel protection OVP OCP operates in Auto Recovery mode When the panel is stopped temporarily due to a protection issue it powers the panel on again to resume the operation after the problem is cleared However as an exception in the case of a thermal protection issue the panel can only operate normally if the power is turned off and is fully discharged ...

Page 24: ... I P board 3 3V Regulator 1 8V Regulator 14 318MHz XTAL PC DIGITAL Rx2 Rx2 Rx1 Rx1 Rx0 Rx0 RxC RxC PC ANALOG R G B HSYNC VSYNC Function Key Response Time Enhancement SDRAM Display Processing Engine LVDS Panel Interface OSD Clock Generator MCU SE758MRH LF 14 14 8Bit 8Bit 5V DC DC converter ...

Page 25: ...2 Circuit Description M ain Block Diagram ...

Page 26: ...ription Power Flow Chart APL1117 33VC NCP1117DT181 5G I P Boar d I P Boar d Si3443BDV Panel Board 14V 5V Normal 750 mA DPMS 0mA Saler 3 3V Scaler 1 8V normal 240 mA dpms 18 mA 1 8V normal 380mA dpms 24 mA AP1501 50V ...

Page 27: ...r nal m em or y becaus e i t has no MCU m em or y One EEPROM i s em bedded t o s t or e DDC dat a LVDS Signal MX25LV512 Flash Memory Funct i on St or es t he MCU code Hex dat a 24C08 NVRAM Funct i on St or es OSD val ues and t i m i ng i nf or m at i on f or each m ode I2C Cr ys t al Analog Signal ISP Function Ass y Funct i on Tr ans f er s t he i nput s ent er ed by t he us er t o t he Mi com us ...

Page 28: ...2 Circuit Description Circuit Diagram DVI Par t Anal go Par t I nver t er Connect or Funct i on Connect or Res et I C Scal er SE758MRH LF ...

Page 29: ...2 Circuit Description M ain PBA ...

Page 30: ...y IC201 Stores the MCU program embedded in the scaler It is of a flash type and rewritable MX25LV512 3 IC203 Stores the OSD and various timing values 24C08 4 IC202 The memory to which analog DDC data is input 24C02 5 Regulator An IC that receives DC voltage inputs It is used in circuits that stabilize the DC voltage NCP117DT18T5G APL1117 33VC 2 Circuit Description M ain PBA ...

Page 31: ... R D LINE FILTER X CAP Y CAP으 로 구 성 POWER TRANSFORMER FET로 구 성 정 류 부 DIODE INDUCTOR CAPACITOR로 구 성 PHOTOCOUPLER TL430로 구 성 1 5 2 L amp F S D M 0 3 6 5 1 7 1 9 N C P 1 2 0 0 Consists of a linefilter an X CAP and a Y CAP Consists of a power transformer and an FET Consists of a diode an inductor and a capacitor Consists of a photocoupler and a TL430 Rect i f i cat i on Par t ...

Page 32: ...Mi com I nver t er Tr ans f or m er _1 Swi t chi ng FET_1 2 I nver t er Cont r ol l er OZ960SN Back Li ght Lam p Connect or _1 Back Li ght Lam p Connect or _2 Back Li ght Lam p Connect or _3 Back Li ght Lam p Connect or _4 Pr ot ect i on Bl ock_1 Pr ot ect i on Bl ock_2 Pr ot ect i on Bl ock_3 Pr ot ect i on Bl ock_4 Feed Back Bl ock Back Li ght Lam p ON OFF Mi com ...

Page 33: ...di m m i ng s t at e PW M Cont r ol Bur s t Di m m i ng The Pi ccol o m odel us es PW M f ul l y f r om OSD 0 t o 100 Di m m i ng i s achi eved by t ur ni ng t he l am p on and of f at a f r equency of appr ox 300 Hz t o 1 kHz Tur ni ng a l ar ge capaci t y of cur r ent on and of f at a s peci f i c cycl e caus es gr ound i ns t abi l i t y and noi s e t o t he panel whi ch r es ul t s i n wat er ...

Page 34: ...to turn off the monitor before starting the disassembly 2 Never use metal tools other than the jig provided when disassembling the product 3 For the disassembly carefully follow the steps given below 4 The jig for opening the back cover BH81 00001A ...

Page 35: ...3 Assembly and Disassembly ...

Page 36: ...3 Assembly and Disassembly ...

Page 37: ...3 Assembly and Disassembly ...

Page 38: ...3 Assembly and Disassembly ...

Page 39: ...3 Assembly and Disassembly ...

Page 40: ...3 Assembly and Disassembly ...

Page 41: ... f act or y def aul t s To r es et t he m oni t or s et t i ngs t o t he f act or y def aul t s pr es s t he Menu but t on and t hen hol d down t he Ent er but t on f or m or e t han f i ve 5 s econds Ot her s i m pl e di agnos t i cs I f t he l am p t ur ns on and of f s hor t l y when t he power i s s wi t ched on i t m eans t her e i s a pr obl em i n t he l am p wi t h t he i nver t er or pane...

Page 42: ...e power cord is correctly connected 3 Check the following circuits 3 Check the following circuits No raster appears Function PBA Main PBA I P PBA No raster appears Function PBA Main PBA I P PBA 5V develop but no screen Main PBA 5V develop but no screen Main PBA 5V does not develop I P PBA 5V does not develop I P PBA 4 If you push and hold the Enter Source button for more than 5 seconds the monitor...

Page 43: ... 702 is DC 14V Does proper DC5V appear at pin1 of IC601 W hen pin 1 of IC 601 is DC 5V Proper DC 3 3V appear at pin 3 of IC 601 Check IC 701 and related circuit Check IC 602 and related circuit Function Ass y 의연 결상 태 를 확 인 하 십 시 오 Replace IP board W hen pin 3 of IC 602 is DC 5V Proper DC 1 8V appear at pin 2 of IC 602 Check IC 601 and related circuit Yes NO NO NO NO ...

Page 44: ...4 Troubleshooting W hen no vi deo s cr een appear s Anal og ...

Page 45: ...4 Troubleshooting W hen no vi deo s cr een appear s Di gi t al ...

Page 46: ...oar d i s r epl aced 2 Downl oad t he DDC i nput pr ogr am and t he DDC f i l e t hat cor r es ponds t o t he m odel f r om t he Qual i t y Depar t m ent of Sam s ung and i ns t al l i t us i ng a j i g as s hown i n t he f i gur e bel ow and t hen ent er t he dat a ...

Page 47: ... Ver 4 65 12V Modi f y 20050425 3 As f or t he exi s t i ng dual m odel connect t he cabl e t o por t 1 anal og of t he DDC Manager and t hen ent er and check t he DDC dat a 4 Then connect t he cabl e t o por t 2 di gi t al of t he DDC Manager and ent er and check t he DDC dat a DDC Program D ddc 2032_2232BW 2032_2232BW zip D ddc 2032_2232BW 2032_2232BW zip ...

Page 48: ...5 How to executeDDC 1 Click the Open icon 2 Select Two EDI D 3 Select a DDC file 4 Select week 5 Click Next OK 1 3 2 4 5 ...

Page 49: ...5 How to executeDDC 6 After entering the analog data repeat the procedure above 2 to 5 times to enter digital data 6 Enter the serial number and press the Enter key ...

Page 50: ...e 1 Usethis procedureto updatetheAD board code 2 Download theWinDDC program and thehex filethatcorresponds to themodel from theQuality Departmentof Samsung and install itusing a jig as shown in thefigurebelow and enter thedata ...

Page 51: ...e MSTAR Manuf act ur e MSTAR Devi ce Type Devi ce Type TSUM16_ROM128K_ext _f l as h TSUM16_ROM128K_ext _f l as h Com m uni cat i on Por t DSUB15 Com m uni cat i on Por t DSUB15 Anal og Anal og Ext er nal Mem or y PMC25LV010E Ext er nal Mem or y PMC25LV010E Click to Download winDDC zip ...

Page 52: ...5 How to ExecuteM CU Code 2 Af t er cl i ck t he LoadFi l e but t on choos e MCU code ...

Page 53: ...5 How to ExecuteM CU Code 3 Aut o Pr ogr am but t on choi ce ...

Page 54: ...5 How to ExecuteM CU Code 4 Af t er t he Pr ogr am and Ver i f y com pl et ed execut e har d power of f on ...

Page 55: ...1 Execute service exe Click to Download HDCP_test zip HDCP ONLY 961BWmodel HDCP HDCP is a specification developed by Intel Corporation to protect the video transmission between a DVI video transmitter Tx and a DVI video receiver ...

Page 56: ...2 Click HDCP button 5 How to ExecuteHDCP Code ...

Page 57: ...3 Click HDCP W rite button and select MStar_HDCPKEY 5 How to ExecuteHDCP Code ...

Page 58: ...4 HDCP KEY writing is Complete 5 How to ExecuteHDCP Code ...

Page 59: ...Version CheckSum 6 Troubleshooting M CU Code Checki ng t he Code Ver s i on Enter SVC mode and check the MCU code version and the checksum results For information on how to enter SVC mode see pages 57 to 58 ...

Page 60: ... Auto color Aut o Col or PC analog 1280X720 at 60 Hz Tools to use MSPG 3240L Sel ect Language Engl i s h on t he OSD m enu and t hen hol d down t he Menu but t on f or f i ve 5 s econds PC Analog Control Pattern 16 GRAY ...

Page 61: ...ze customer claims for non malfunctions of the product How to Perform a Self Test Press the Menu button in the DPMS state and determine whether the monitor is normal or not No screen Determine according to the output message Focus fault Determine according to dimming level of the TEXT GOOD message Screen trembling Determine according to trembling level of the message window ...

Page 62: ...of the input signals is higher than the supported frequency Safe mode gives a user a period of time one 1 minute to change the video card settings to a Recommended mode For 17 monitors Safe mode supports UXGA at 60Hz or 75Hz and displays a down scaled screen for one 1 minute However it switches to Sync Out of Range immediately at a frequency higher than 85 Hz which is a scheme to protect the panel...

Page 63: ...e button for five 5 seconds 3 The SVC Funct i on OSD wi l l appear To exi t t he SVC Funct i on OSD you have t o t ur n of f t he power The SVC Funct i on OSD cons i s t s of a 29 wi dt h X 12 hei ght gr i d The SVC Funct i on OSD s hows t he i nf or m at i on s of t war e ver s i on and Mi com checks um ...

Page 64: ...6 ServiceM ode M oving around 1 Each t i m e t he but t on i s pr es s ed m enu i s s el ect ed Then you can adj us t s ub m enu wi t h but t on ...

Page 65: ...hePanel W hen r epl aci ng t he panel After replacing the panel select the Panel item and then hold down the Menu button for five 5 seconds The Ch No of the panel will increase by one 1 and the time information will change to 0 ...

Page 66: ... some bad device which does not comply with standard HotPlug Time If Hotplug is turn on when monitor power off on or changing to the DVI hotplug pin goes to the low This function controls this time duration Though Hotplug is turn on monitor can t displayed adjust this time duration Default is 9 means 0 9 sec can control 5 to 50 ...

Page 67: ...n protocol is an exchange between a video transmitter and a video receiver that affirms to the transmitter that the receiver is authorized to receive the protected information this affirmation is in the form of the receiver demonstrating knowledge of a set of secret device keys 1 It takes about 2s to encrypt 2 Encryption fail Noise Display Check supported resolution S W power off on for new encryp...

Page 68: ... of themostbrightpointto mostdark point Thebetter contrastratio the moreclear diplay Brand A 700 1 1280 X 1024 Contras t Ratio 1500 1 Resolution 1280 X 1024 Contras t Ratio 1000 1 Resolution 1280 X 1024 Contras t Ratio 700 1 Resolution 1280 X 1024 ...

Page 69: ...hter image is getting brighter Definition In theM oving picture making contrastratio maximum As analyzing a inputimage makemadrker image is moredarker brighter imageis morebrighter So ContrastRatio changefrom 1000 1 to 3000 1 Dynamic Contrast Ratio ...

Page 70: ...he state of the PC color adjustment Enter the DDC data Enter both analog and digital data Check whether the MCU code that corresponds to the model has been entered After completing your work in service mode reset the monitor and switch it off ...

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