Samsung Bx2231 Bx2331 Bx2431 Training 6g3930

mode. This menu is unavailable when <MagicEco> is set.

Controls the contrast of the pictures displayed on the screen This menu is unavailable when <MagicBright> is set to or mode. This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when is set. Controls the clarity of details of pictures displayed on the screen This menu is unavailable when <MagicBright> is set to & mode. This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when is set.

2. OSD Adjustment (Picture) M enu

D escription

M ag icB rig ht

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. • If the pres et picture modes are not sufficient, s can configure the and directly using this mode. • <S tandard> This mode provides the picture setting appropriate for editing a document and surfing the Internet (text + picture). • This mode provides the picture s etting appropriate for playing games that include lots of graphics and that require a fas t screen refresh rate. • This mode provides brightness and s harpnes s settings similar to those of a TV for the best entertainment environment (movie, D VD , etc.). • C ontrols the picture contrast automatically s o that bright and dark pictures are balanced overall. This menu is unavailable when <M agicAngle> or <M agicE co> is s et.

2. OSD Adjustment (Picture) M enu

Picture M ode

R es pons e Time

D escription The Monitor has four automatic picture settings ( , , <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. • Select this mode to view a sharper image than in Standard mode. • <Standard> Select this mode when the surroundings are bright. This also provides a sharp image. • <Movie> Select this mode when the surroundings are dark. This will save power and reduce eye fatigue. • Select this mode when you want to adjust the image according to your preferences This menu is unavailable when < MagicAngle> or < MagicEco> is set. This can only be set when the external input is connected through HDMI and is set to .

Accelerates the response time of the LC D fas ter than the original response time so that moving pictures appear sharper and more natural. • • • It is recommended setting the or when not viewing a movie.

2. OSD Adjustment (Picture)

M ag icAng le

This feature allows you to see optimal screen quality according to your viewing position • ①:Select when viewing from the front position. • ② :Select when viewing from a slightly lower position • ③ :Select when viewing from the lower position • <Standing Mode>④:Select when viewing from the upper position • <Side Mode>⑤:Select when viewing from the left or right position • : When this function is selected ,setting for is applied by default .s can set suitable picture quality as needed • :Select when two or more person view among ①, ④, ⑤ position at the same time. This menu is unavailable when <MagicBright> is set to or mode. This menu is unavailable when <MagicColor> or is set.

Removes vertical noise lines (line pattern) from the screen. The location of the screen may be changed after the adjustment. In this case, move the screen so that the screen is C oars e displayed at the center of the display using the menu. This function is only available in analog mode.

Fine

HDM I B lack Level

Removes horizontal noise lines (line pattern) from the screen. If you cannot remove the noise completely with the function, adjust the and then use the function again. This function is only available in analog mode. When watching with a DVD or set-top box connecting to the product via HDMI, image quality deterioration (black level, lower-quality contrast, lighter color tone, etc.) may occur depending on the connected external device. • • This function is active only when the external device is connected via . The function may not be compatible with all external devices.

2. OSD Adjustment (C olor)

2. OSD Adjustment (C olor) M enu

D escription

M ag icC olor

Expresses natural colors more clearly without changing the picture quality using proprietary digital picture quality improvement technology developed by Samsung Electronics. • - Turns the MagicColor function off. • - You can compare the pictures processed by MagicColor with the original pictures. • - Provides a clearer picture including areas corresponding to skin color. • - Improves the chroma of pictures except for areas corresponding to skin color. This menu is unavailable when <MagicAngle> is set. This menu is unavailable when is set.

R ed

You can adjust the red color value of pictures according to your preference. This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when is set.

G reen

You can adjust the green color value of pictures according to your preference. This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when is set.

B lue

You can adjust the blue color value of pictures according to your preference. This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when is set.

C olor Tone

You can set the color temperature according to your preference. • - Sets the color temperature of the screen to a cooler color. • - Sets the color temperature of the screen to the standard color temperature. • <Warm> - Sets the color temperature of the screen to a warmer color. • - Select this menu to set the color temperature manually. If you do not like the preset color temperatures, you can manually adjust the colors of . This menu is unavailable when <MagicColor> is set to mode or mode. This menu is unavailable when <MagicAngle> is set. This menu is unavailable when is set.

2. OSD Adjustment (C olor)

C olor Effect

G amma

You can change the overall atmosphere by changing the color of pictures. • - Turns the color effect function off. • -Displays pictures in black and white. • - Displays pictures in green mono color. • - Displays pictures in aqua mono color. • <Sepia> - Displays pictures in sepia mono color. This menu is unavailable when <MagicAngle> is set. This menu is unavailable when <MagicColor> is set. Us ing this menu, you can change the intens ity of the colors of medium brightness . • <M odel>-<M ode2>-<M ode3> This menu is unavailable when <MagicAngle> is set.

2.OSD Adjustment (SI Z E& POSI TI ON)

2. OSD Adjustment (SI Z E& POSI TI ON) M enu

H-Pos ition

D es cription Moves the position of the display area on the screen horizontally. • This function is only available in analog mode. • 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 .

V-Pos ition

Moves the position of the display area on the screen vertically. • This function is only available in analog mode. • 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 .

Imag e S ize

PC signals • - The picture is displayed at the aspect ratio of the input signal. • <Wide> - The picture is displayed in full screen regardless of the aspect ratio of the input signal. • A signal not in the standard mode table is not ed. • If the resolution is set to the optimal resolution, the aspect ratio does not change whether the is set to or <Wide>. AV signals • <4 : 3> - Displays pictures at the 4 : 3 aspect ratio. • <16 : 9> - Displays pictures at the 16 : 9 aspect ratio. • <Screen Fit> - If a 720P, 1080i or 1080P s ignal is input in HD M I/D VI input mode, the picture is displayed as is whithout truncation. • <4 : 3> - D isplays pictures at the 4:3 aspect ratio. • <wide> - D isplays pictures at the 16:10 aspect ratio. • <S creen Fit> - If a 720P , 1080i or 1080P s ignal is input in HD M I/D VI input mode, the picture is displayed as is without truncation. • It can only be selected if an external input is connected to the HD M I/D VI terminal and the

is s et to . • W hen the is of 16:10,the s creen size options include <4:3>,<wide>,<S creen fit>.

M enu H-Pos ition

You can adjust the horizontal position of the OSD.

M enu V-Pos ition

You can adjust the vertical position of the OSD.

2. OSD Adjustment (SETUP& R E SE T)

2. OSD Adjustment (SETUP& R ESET) M enu R es et

D escription Use this function to restore the visual quality and color settings to the factory defaults. • - Select a language for the OSD. English/Deutsch/Español/Français/Italiano/Svenska/Русский/Português/Türkçe

Lang uag e PC.

M ag icR eturn

M ag icE co

The selected language is only applied to the product OSD. This setting does not affect the other functions of the

The function is available in Windows7 system.The monitor can not be recognized when it si turned off.To recognize it,you must turn it on. • - MagicReturn function is turned off. • - When is selected,the<MagicReturn>function is turned on （ 1 ） This function is not available for Windows7 only.when use other O S ,it is recommended to set this function to . （ 2) This function is not available for analog signal input. （ 3 ） This function is not available for the graphics cards ATI X600. It is recommended to set this function to . (4) Press and hold down the ▼ key for 5 seconds while the Check Signal Cable OSD is displayed, <MagicReturn> will be automatically set to . (5) This function is not available when is set to . This function provides a low power mode which is realized by lowering the controlling current of the display . • <100%> - When<100%>is selected, the power consumption is 100% of default setting （ 10% ） . • <75%> - When<75%>is selected, the power consumption is 75% of default setting （ 10% ） . • <50%> - When<50%>is selected, the power consumption is 50% of default setting （ 10% ） . • - When is selected, the function is turned Off （ 10% ） .

2. OSD Adjustment (SETUP& R ESET) M enu

D escription

Off Timer On/Off

You can turn the Off Timer on or off. • -

Off Timer S etting

Turns the power off automatically when the configured time is reached.

C us tomized K ey

You can set the function of the Customized Key to one of the following. • PC signals <MagicBright> - <MagicAngle> - <MagicEco> - • AV signals : - <MagicAngle> - <MagicEco> - You can set the function of the Customized Key by selecting <SETUP&RESET> - in the OSD.

Auto S ource

• - The monitor automatically selects an input signal. • <Manual> - s have to manually select an input signal.

PC /AV M ode

Set to PC when connected to a PC. Set to AV when connected to an AV device. This function does not analog mode.

Dis play Time

The OSD automatically disappears if no action is taken by the . You can determine the time to wait before the OSD is hidden. • <5 sec> - <10 sec> - <20 sec> - <200 sec>

M enu Trans parency

You can select the transparency of the OSD. • -

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

OS D Lock & UnLock

D es cription After pus hing the "M E NU" button more than 5 seconds, O S D function is locked (unlocked). ※ You can als o adjust the brightness and contras t of the monitor with the O S D adjustment locking feature

2. OSD Adjustment (Factory M ode) M enu

Factory M ode

D escription

To enter the Service Function, set the Brightness /Contrast to 0 and press and hold the ENTER /SOURCE key for 5 seconds.

3. C ircuit Description (Product Structure) 1. 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 using a Scaler and also outputs the same signals as external input. 

3. LED DRI VER LED

DRIVER 4. Function B utton

Transfers the input signals where the Function button is used to the main board and displays the LE D .

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

3. C ircuit Description ( Part)

3. C ircuit Description ( Part) * PROTECTION* 

LAMP(Inverter) PROTECION

=> The protection is activated if there is no 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.



Power Protection

=> All protection (OVP/O) operates in Auto Recovery mode. When the is stopped temporarily due to a protection issue, it powers the on again to resume the operation after the problem is cleared. However, as an exception, in the case of a thermal protection issue, the can only operate normally if the power is turned off and is fully discharged and turned on again. This is controlled by a function designed in the power IC.

3. C ircuit Description (B lock Diag ram)

3. C ircuit Description (Scaler Part) BX 2231/BX 24331/BX 2431 LED Driver

979

RD-LF

3. C ircuit Description (Power Flow C hart)

S I3443B DV

+5V_PANE L PANE L TS UM W 88M DT3 Pin14 Pull up B L_E N Pull up AC 2DC _C TR L Pull up B L_ADJ_PWM Pull up C HK _HDM I Pull up

+5V_M AIN

B L_ADJ_ANALOG Pull up B D200

HDM I 1_5V (HDM I 2_5V)

+5V_ADP E DID_PR OTE C T pull up

+5V_E E PR OM D431 (D421)

DDC _LINE _C TR L Pull up DS UB DDC pull up AT24C 02 HDM I 1DDC pull up

DS UB _5V ZD100

HDM I 2DDC pull up

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 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 S E 979LM R D-LF Pin27/35/53/92/98 B D651

+5V_M AIN

+3.3V_D

S E 979LM R D-LF Pin7/13/74/105/116

+3.3V_DIODE C HK _DS UB Pull up DS UB E S D PR OTE C T HDM I 1E S D PR OTE C T HDM I 2E S D PR OTE C T S E 979LM R D-LF Pin56

+1.8V S -1172B 18 B D671

+1.8V_D

S E 979LM R D-LF Pin5/24/75/88/106

3. C ircuit Description (C ircuit Diagram) HDM I Part

S caler : S E979LM R D

HDM I Part

Audio Part

3. C ircuit Description (C ircuit Diagram)

Function C onnector

Analog Part

3. C ircuit Description (C ircuit Diagram)

LED Driver Part

3. C ircuit Description (M ain PBA) LVDS LAMP Scaler IC Flash memory EEPROM

HDMI 1

HDMI2

Analog

3. C ircuit Description (M ain PBA) No

Block

비고

Description

1

Scaler IC300

Besides the ADC,LVDS,and scaling part,an MCU is embedded as well . All of them are integrated into one chip.

SE979LMRD-LF(BX2431)

2

Flash Memory IC200

Stores the MCU program embedded in the scaler. It is of a flash type and rewritable.

F25L04PA

3

IC402

Stores the OSD and various timing values.

24CS08

4

IC102

The memory to which analog DDC data is input

24C02

5

IC103

The memory to which HDMI 1 DDC data is input

24C02

6

IC104

The memory to which HDMI 2 DDC data is input

24C02

5

Regulator IC601/IC602

An IC that receives DC voltage inputs. It is used in circuits that stabilize the DC voltage .

S-1172B18-U5T1G S-1172B33-U5T1G

3. C ircuit Description (Adapter) S MPS Part LINE FILTE R ,X -C AP , Y-C AP

P O W E RTR ANS FO R M E R , D IO D E ,IND UC TO R , C apacitor

FE T S witchingB LOC K

InputFilterB LOC K

R eg ulator 12V out

12V out

Cont r ol Ci r cui t

P HO TO C O UP LE R , Ci r cui t

TL430

D C/A C INV ERTER M A IN B OA RD

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

Des cription 1 、 Remove the stand body

2. ① Turn the monitor over and insert your hands into the top of the monitor at the center and separate the front cover in the direction of the arrow as shown in the figure. ② Separate the sides of the front cover up to the directed line as shown in the figure.

Picture Des cription

4. Assembly and Disassembly 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 .


4. Assembly and Disassembly Des cription 5. R emove LC D P anel.


4. Assembly and Disassembly Des cription 6. R emove 2 screws.

7. R emove 3 screws and remove B racket S upport.


4. Assembly and Disassembly Des cription 8. R emoveM ain P C B from S HIE LD -C O VE R .


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. C heck the following circuits . - No raster appears : Function P BA, M ain P B A - 5V develop but no screen: M ain P B A - 5V does not develop:IC 604 4. If you pus h and hold the "(E nter/S ource)" button for more than 5 seconds , the monitor automatically returns to the factory pres et.

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. -. Check the connections for the CN601 and the Main board. -. Check the main board LED Driver part and check also whether there is any abnormal output at other output terminals.

C N901

IC 602

IC 601

5. Troubleshooting No power C heck connection of Function Ass’y

W hen P in 2 ， 3 ， 4 of C N601 is 0V, D oes proper D C 12V appear at P in 1of C N601 s eparately?

NO

C hange another adapter or check power cord have already connect to AC power or not

YE S W hen P in 2 of IC 604 is D C 12V, D oes proper D C 5V appear at P in 3 of IC 604?

NO

C heck IC 604 and related circuit.

YE S W hen P in 4 of IC 601 is DC 5V, D oes proper DC 3.3V appear at P in 5 of IC 601?

NO


YE S W hen P in 4 of IC 602 is D C 5V, D oes proper D C 1.8V appear at P in 5 of IC 602? YES

R eplace main board.

NO


5. Troubleshooting The C ircuit diag ram when the power not turn on

5. Troubleshooting The C ircuit diag ram when the power not turn on

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 . -. Check whether the lamp connector of the is connected correctly to the Mainboard.

C N400

IC 300 X401

5. Troubleshooting No video (Analog ) C heck the s ignal cables and the connections .

Is X401 os cillating correctly?

1

NO

R eplace or check related circuit.

YE S 2

Do the R GB input appear at R 106 ， R 110 ， R 113,?

NO

C heck Input part

YE S D oes the Hs ync , 3 V sync input appear at pin 66,67 of IC 400, res pectively?

NO


YE S D o output s ignals appear at pin 8 to 30 of C N400?

NO

C heck C N400 and related circuit.

YE S There are D C 5V at pin 1,2, and 3 of C N400? YE S R eplace LC D

NO C heck +5V_P anel and B L_E N s ignal.

5. Troubleshooting The C ircuit diag ram when no video (Analog )


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 . -. Check whether the lamp connector of the is connected correctly to the LED Driver.

C N400

IC 300 X401

5. Troubleshooting No video (HDM I) C heck the s ignal cables and the connections .

Is X401 os cillating correctly?

1

2

YE S Do the HDM I input appear at R 171 to R 176 and R 241 to R 246? YE S D o output s ignals appear at pin 8 to 30 of C N400?

NO

NO

NO

R eplace or check related circuit.

C heck Input part

C heck C N400 and related circuit.

YE S There are D C 5V at pin 1,2, and 3 of C N400?

NO C heck +5V_P anel and B L_E N s ignal.

YE S R eplace LC D

Caution : Make sure to disconnect the power before working on the Main board.

5. Troubleshooting The C ircuit diag ram when no video (HDM I)


5. Troubleshooting *. Service Function OSD

Information

Select Auto Select Pixel Shift Country

Scaler Vender Micom version Micom checksum

5. Troubleshooting *. To move next step. Press (+) key.

5. Troubleshooting *. To select off/on. Press (-) key.

5. Troubleshooting *. Replace After replacing the , select the item and then hold down the Menu button for five (5) seconds. The Ch. No. of the will increase. Then, on time and cycle number will be set to 0.

This number will be changed.

6. How to execute code 1. E nter the DDC EDID data when the AD board is replaced. 2. 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

6. How to execute code (DDC ) 1

3

2 4

1. C lick the Open icon 2. S elect Three E DID 3. S elect one DDC file ， do it three times . 4.C lick Next

6. How to execute code (DDC ) 5: E nter the serial number and pres s the E nter key.

5

6. How to execute code (M C U code) 1. Options Checking. -. Manufacture : MSTAR -. Device Type :TSUM16xxx -. Communication Port : DSUB15 (Analog) -. External Memory : PMC25LV020

6. How to execute code (M C U code) 2. After click the 'LoadFile' button , choose MCU code.

3. Select the true S/W .

6. How to execute code (M C U code)

4. ‘Auto Program' button choice.

6. How to execute code (M C U code)

5. After the Program and completed, execute hard power off/on.

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” in O S D , then hold down E nter key for 5 seconds  Factory R eset -.setting to C ontrast and B rightness ‘0’. -.P us h the E nter more than 5 seconds -.select R eset.

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