Related Manuals for Samsung SyncMaster 31 Series
Summary of Contents for Samsung SyncMaster 31 Series
- Page 1 대 외 비 보 존 기 한 3 년 31 Series BX 2231/ B X 2331/ BX 2431 Training M anual TS DR R &D G roup MONITOR Lab...
- Page 2 C ontents Product Overview OSD Adjustment Circuit Description Assembly and Disassembly Troubleshooting How to Execute Code Etc. ...
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Page 3: Product Overview
1. Product Overview (Specifications of Options) - Page 4 1. Product Overview (Product Features) *. Feature -. Panel : 250cd/m2, 2ms, DCR MEGA, 170/160(CR>10) -. DPMS : Typical 0.3W -. HDMI 1 with HDCP ， HDMI 2 with HDCP -. Windows Vista/Windows 7 authentication -. Picture ： a screen size desire -.
- Page 5 1. Product Overview (Product Specification) K ey S pecification M odel B X2231 B X2331 B X2431 S ize 21.5” 23” 24” R es olution 1920*1080@ 60Hz 1920*1080@ 60Hz 1920*1080@ 60Hz B rig htnes s 250cd/m 250cd/m 250cd/m C ontras t R atio 1000:1 1000:1 1000:1...
- Page 6 1. Product Overview (C onnecting External Devices) Power Connect the power cord for your monitor to the power port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet. Using the D-sub (Analog) connector on the video card. Connect the signal cable to the 15-pin, D-sub connector on the back of your monitor.
- Page 7 1. Product Overview BX 2231/BX 2331/BX 2431 (Supported Display M odes)
- Page 8 1. Product Overview (OSD Functions) ME NU C us tomized K ey / Down B utton Up B utton / B rig htnes s S ource B utton / E nter Auto Power B utton...
- Page 9 1. Product Overview (OSD Functions) MENU Button : Open the OSD menu. Use this button to exit the OSD or go to the upper OSD menu. Customized Button Press this button to adjust MagicBright™. (Factory Mode) MagicBright™ is a monitor that fits to various user environments such as editing documents and playing games, etc.
- Page 10 1. Product Overview (OSD Functions) (2) Customized Button P res s this button to adjus t P icture M ode when s elect AV M ode by HD M I Input. P icture M ode is a monitor that fits to various us er environments s uch as editing documents and playing games , etc.
- Page 11 1. Product Overview (OSD Hidden K ey) 1) Customized Key / Down Button : Us e this button to move around the O S D menu or change the value. 2) Up Button / Brightness : Us e this button to adjus t the brightnes s of the s creen when Analog/ D VI input. Use this button to adjust the volume of the HD M I s ound when HD M I input.
- Page 12 2. OSD Adjustment (Picture) M enu Controls the screen brightness. This menu is unavailable when <MagicBright> is set to <Dynamic Contrast> mode. B rig htnes s This menu is unavailable when <MagicEco> is set. Controls the contrast of the pictures displayed on the screen This menu is unavailable when <MagicBright>...
- Page 13 2. OSD Adjustment (Picture) M enu D escription P rovides pres et picture s ettings optimized for various us er environments s uch as editing a document, surfing the Internet, playing games,or movies and so on. • <C us tom> If the pres et picture modes are not sufficient, users can configure the <brightnes s>...
- Page 14 2. OSD Adjustment (Picture) M enu D escription The Monitor has four automatic picture settings (<Custom>, <Dynamic>, <Standard> and <Movie>) that are preset at the factory. You can activate either Custom, Dynamic, Standard or Movie. You can select Custom which automatically recalls your personalized picture settings. •...
- Page 15 2. OSD Adjustment (Picture) This feature allows you to see optimal screen quality according to your viewing position • <Off> :Select when viewing from the front position. ① • <Lean Back Mode 1> :Select when viewing from a slightly lower position ②...
- Page 16 2. OSD Adjustment (C olor)
- Page 17 D escription Expresses natural colors more clearly without changing the picture quality using proprietary digital picture quality improvement technology developed by Samsung Electronics. • <Off> - Turns the MagicColor function off. • <Demo> - You can compare the pictures processed by MagicColor with the original pictures.
- Page 18 2. OSD Adjustment (C olor) You can change the overall atmosphere by changing the color of pictures. • <Off> - Turns the color effect function off. • <Grayscale> -Displays pictures in black and white. • <Green> - Displays pictures in green mono color. C olor Effect •...
- Page 19 2.OSD Adjustment (SI Z E& POSI TI ON)
- Page 20 2. OSD Adjustment (SI Z E & POSI TI ON) M enu D es cription Moves the position of the display area on the screen horizontally. • This function is only available in analog mode. H-Pos ition • W hen a 720P , 1080i or 1080P s ignal is input in AV mode ,s elect <S creen Fit >to adjus t horizontal pos ition in 0-6 levels . Moves the position of the display area on the screen vertically.
- Page 21 2. OSD Adjustment (SETUP& R E SE T)
- Page 22 2. OSD Adjustment (SETUP& R ESET) M enu D escription Use this function to restore the visual quality and color settings to the factory defaults. R es et • <No> - <Yes> Select a language for the OSD. English/Deutsch/Español/Français/Italiano/Svenska/Русский/Português/Türkçe Lang uag e The selected language is only applied to the product OSD.
- Page 23 2. OSD Adjustment (SETUP& R ESET) M enu D escription You can turn the Off Timer on or off. Off Timer On/Off • <Off> - <On> Off Timer S etting Turns the power off automatically when the configured time is reached. You can set the function of the Customized Key to one of the following.
- Page 24 2. OSD Adjustment (I NFOR M ATI ON) M enu D es cription INFOR M ATION Shows the frequency and resolution set on the PC. O S D Lock M enu D es cription After pus hing the "M E NU" button more than 5 seconds, O S D function is locked (unlocked). OS D Lock &...
- Page 25 2. OSD Adjustment (Factory M ode) M enu D escription To enter the Service Function, set the Brightness Factory /Contrast to 0 and press and hold the ENTER M ode /SOURCE key for 5 seconds.
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Page 26: Circuit Description
3. C ircuit Description (Product Structure) 1. Panel Part S ee P roduct S pecifications. 2. Mai n Boar d Par t Receives 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. - Page 27 3. C ircuit Description (New Part) *. Scaler(MSTR) SE979LMRD-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 / 3.3V/1.8V suppliers ...
- Page 28 3. C ircuit Description (Panel Part)
- Page 29 3. C ircuit Description (Panel Part) * PROTECTION* LAMP(Inverter) PROTECION => The protection is activated if there is no feedback because the lamp connector is disconnected or the lamp is cracked. => The over voltage protection starts as a lamp protection if the output voltage of the inverter transformer is high.
- Page 30 3. C ircuit Description (B lock Diag ram)
- Page 31 3. C ircuit Description (Scaler Part) BX 2231/BX 24331/BX 2431 LED Driver RD-LF...
- Page 32 3. C ircuit Description (Power Flow C hart) +5V_PANE L S I3443B DV PANE L TS UM W 88M DT3 Pin14 Pull up B L_E N Pull up AC 2DC _C TR L Pull +5V_M AIN B L_ADJ_PWM Pull C HK _HDM I Pull up B L_ADJ_ANALOG Pull up +5V_ADP...
- Page 33 3. C ircuit Description (Power Flow C hart) Key P ull up P ANE L_EN Pull up WR _PR OTE C T Pull M C L/M DA Pull up S -24C S 08AFJ +3.3V S -1172B 33 F_PR OTE C T Pull up M X25L4005AM 2C S E 979LM R D-LF Pin44 P ull up...
- Page 34 3. C ircuit Description (C ircuit Diagram) HDM I Part S caler : S E979LM R D HDM I Part Audio Part...
- Page 35 3. C ircuit Description (C ircuit Diagram) Function C onnector Analog Part...
- Page 36 3. C ircuit Description (C ircuit Diagram) LED Driver Part...
- Page 37 3. C ircuit Description (M ain PBA) LVDS LAMP Scaler IC Flash memory EEPROM HDMI 1 HDMI2 Analog...
- Page 38 3. C ircuit Description (M ain PBA) 비고 Block Description Scaler Besides the ADC,LVDS,and scaling part,an MCU is SE979LMRD-LF(BX2431) embedded as well . All of them are integrated into IC300 one chip. Flash Memory Stores the MCU program embedded in the scaler. F25L04PA It is of a flash type and rewritable.
- Page 39 3. C ircuit Description (Adapter) S MPS Part D IO D E ,IND UC TO R , P O W E RTR ANS FO R M E R , LINE FILTE R ,X -C AP , C apacitor FE T Y-C AP S witchingB LOC K R eg ulator...
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Page 40: Assembly And Disassembly
4. Assembly and Disassembly Caution 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. - Page 41 4. Assembly and Disassembly Des cription Picture Des cription 3. Turn the monitor over again to remove the back cover. 4. Dis connect LVDS , INVER TOR and FUNC TION cable. And then R emove S HIE LD_C OVER .
- Page 42 4. Assembly and Disassembly Des cription Picture Des cription 5. R emove LC D P anel.
- Page 43 4. Assembly and Disassembly Des cription Picture Des cription 6. R emove 2 screws. 7. R emove 3 screws and remove B racket S upport.
- Page 44 4. Assembly and Disassembly Des cription Picture Des cription 8. R emoveM ain P C B from S HIE LD -C O VE R .
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Page 45: Troubleshooting
5. Troubleshooting Notes: 1. Before troubleshooting, s etup the P C ’s dis play as below. - R es olution: 1920*1080 - H-frequency: 67.5 kHz - V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. - Page 46 5. Troubleshooting No power Symptom : -. When turning on the Power button after connecting the power, the LED at the front of the monitor does not operate. Major Checkpoints: -. Check the IC604 power fuse and IC604 output power. -.
- Page 47 5. Troubleshooting No power C heck connection of Function Ass’y W hen P in 2 ， 3 ， 4 of C N601 C hange another adapter or check power cord is 0V, have already connect to AC power or not D oes proper D C 12V appear at P in 1of C N601 s eparately? Y E S...
- Page 48 5. Troubleshooting The C ircuit diag ram when the power not turn...
- Page 49 5. Troubleshooting The C ircuit diag ram when the power not turn...
- Page 50 5. Troubleshooting No video (Analog ) Symptom : -. Though the LED power turns on, the screen is blank when connecting the VGA cable. Major Checkpoints: -. Check the D-SUB connection. -. Check whether the LVDS cable is connected correctly to the Panel. -.
- Page 51 5. Troubleshooting No video (Analog ) C heck the s ignal cables and the connections . Is X401 os cillating R eplace or check related circuit. correctly? Y E S Do the R GB input appear at R 106 ， C heck Input part R 110 ，...
- Page 52 5. Troubleshooting The C ircuit diag ram when no video (Analog )
- Page 53 5. Troubleshooting The C ircuit diag ram when no video (Analog )
- Page 54 5. Troubleshooting No video (HDMI) Symptom : -. Though the LED power turns on, the screen is blank when connecting the HDMI cable. Major Checkpoints: -. Check the HDMI connection. -. Check whether the LVDS cable is connected correctly to the Panel. -.
- Page 55 5. Troubleshooting No video (HDM I) C heck the s ignal cables and the connections . Is X401 os cillating R eplace or check related circuit. correctly? Y E S Do the HDM I input appear at R 171 to C heck Input part R 176 and R 241 to R 246?
- Page 56 5. Troubleshooting The C ircuit diag ram when no video (HDM I)
- Page 57 5. Troubleshooting The C ircuit diag ram when no video (Analog )
- Page 58 Troubleshooting *. Service Function OSD Panel Information Select Auto Select Pixel Shift Country Scaler Vender Micom version Micom checksum...
- Page 59 Troubleshooting *. To move next step. Press (+) key.
- Page 60 Troubleshooting *. To select off/on. Press (-) key.
- Page 61 Troubleshooting *. Replace 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. Then, on time and cycle number will be set to 0. This number will be changed.
- Page 62 6. How to execute code 1. E nter the DDC EDID data when the AD board is replaced. 2. Download the DDC input prog ram and the DDC file that corres ponds to the model from the Quality Department of S ams ung and ins tall it us ing a jig as s hown in the fig ure below, and then enter the data. C N703...
- Page 63 6. How to execute code (DDC ) 1. C lick the Open icon 2. S elect Three E DID 3. S elect one DDC file ， do it three times . C lick Next...
- Page 64 6. How to execute code (DDC ) 5: E nter the serial number and pres s the E nter key.
- Page 65 6. How to execute code (M C U code) 1. Options Checking. -. Manufacture : MSTAR -. Device Type :TSUM16xxx -. Communication Port : DSUB15 (Analog) -. External Memory : PMC25LV020...
- Page 66 6. How to execute code (M C U code) 2. After click the 'LoadFile' button , choose MCU code. 3. Select the true S/W .
- Page 67 6. How to execute code (M C U code) 4. ‘Auto Program' button choice.
- Page 68 6. How to execute code (M C U code) 5. After the Program and Verify completed, execute hard power off/on.
- Page 69 7. etc. (After replacing M ain PBA) You have to E D ID input (Analog and HD M I) Firmware install – M IC O M S / W input(use D D C manager) P C Auto C olor Adjust -.select language “E nglish”...