Product specifications

ManualsBrandsSamsung ManualsComputer equipment633NW

LCD-Monitor

Chassis : LPU16YS

LPU17NS

LPU19YS / LPU19NS

LPU20YS

LPU22YS

Model : B1630N

B1730NW

B1930N / B1930NW

B2030N

B2230N

SERVICE

Manual

TFT-LCD Monitor Contens

B1630N / B1730NW / B1930N

B1930NW / B2030N / B2230N

Refer to the service manual in the GSPN (see the rear cover) for the more information.

1. Precautions

2. Product specications

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

Summary of content (51 pages)

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LCD-Monitor Chassis : LPU16YS LPU17NS LPU19YS / LPU19NS LPU20YS LPU22YS Model : B1630N B1730NW B1930N / B1930NW B2030N B2230N SERVICE TFT-LCD Monitor Manual Contens 1. Precautions 2. Product specifications 3. Disassembly and Reassemble 4. Troubleshooting 5. Exploded View & Part List 6. Wiring Diagram B1630N / B1730NW / B1930N B1930NW / B2030N / B2230N Refer to the service manual in the GSPN (see the rear cover) for the more information.
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Contents 1. Precautions 1-1. Safety Precautions.......................................................................................................... 1-1 1-2. Servicing Precautions...................................................................................................... 1-2 1-3. Static Electricity Precautions........................................................................................... 1-2 1-4. Installation Precautions.............................................................
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GSPN (Global Service Partner Network) Area Web Site North America http://service.samsungportal.com Latin America http://latin.samsungportal.com CIS http://cis.samsungportal.com Europe http://europe.samsungportal.com China http://china.samsungportal.com Asia http://asia.samsungportal.com Mideast & Africa http://mea.samsungportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd.
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1. Precautions 1. Precautions 1-1. Safety Precautions Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as electrical shock. 1-1-1. Warnings 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2. Servicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet. 2.
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1. Precautions 1-2. Servicing Precautions WARNING: Caution: Note: An electrolytic capacitor installed with the wrong polarity might explode. Before servicing units covered by this service manual, read and follow the Safety Precautions section of this manual. If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions, always follow the safety precautions. 1-2-1 General Servicing Precautions 1.
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1. Precautions 1-4. Installation Precautions 1. For safety reasons, more than two people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause fire. 4. Bend the external antenna cable when connecting it to the product.
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1.
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2. Product specifications 2. Product specifications 2-1. Feature & Specifications Feature Model B1630N B1730NW B1930N Brightness(Typical) 250 cd/m2 250 cd/m2 250 cd/m2 Response Time(Typical) 5ms 5ms 5ms Contrast Ratio(Typical) DC 50000:1 (Typ.500:1) DC 50000:1 (Typ.600:1) DC 50000:1 (Typ. 1000:1) Viewing Angle (Horizontal/Vertical) 90˚/ 65˚ (CR>10) 160˚/150˚ (CR>10) 170˚/160˚ (CR>10) Stand by Power(DPMS) <0.3W <0.3W <0.
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2. Product specifications Feature Model B1930NW B2030N B2230N Brightness(Typical) 300 cd/m2 250 cd/m2 300 cd/m2 Response Time(Typical) 5ms 5ms 5ms Contrast Ratio(Typical) DC 70000:1 (Typ. 1000:1) DC 50000:1 (Typ. 1000:1) DC 70000:1 (Typ. 1000:1) Viewing Angle (Horizontal/Vertical) 160˚/160˚ (CR>10) 170˚/160˚ (CR>10) 170˚/160˚ (CR>10) Stand by Power(DPMS) <0.3W <0.3W <0.
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2. Product specifications 2-2.
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2. Product specifications *Color Effect - Grey scale: Images are displayed in a grey tone on the screen. - Green: Images are displayed in a green tone on the screen. - Aqua: Images are displayed in a blue tone on the screen. - Sepia: Images are displayed in a brown tone on the screen. Image Size : If the resolution is not wide resolution, this option allows the screen size to be selected as normal or wide. *MagicAngle - Lean Back Mode1: Select when viewing from a slightly lower angle.
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2. Product specifications 2-3. Accessories Product Description Ccde. No Quick Setup Guide BN68-02480A Warranty Card (Not available in all locations) BN68-00226R User’s Guide, Monitor Driver, Natural Color Pro Software BN59-00982A D-sub Cable 1,500mm(1.5M) BN39-00244G Power Cord 1,830mm(1.
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2.
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3. Disassembly and Assembly 3. Disassembly and Assembly This section describes the disassembly and reassembly sequences for this monitor. Warning: As this monitor has parts that are sensitive to static electricity, be careful when handling them. 3-1. Disassembly Caution: 1. Turn the monitor off before beginning the disassembly process. 2. When disassembling the monitor, do not use any metal tools except for the provided jig. 3.
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3. Disassembly and Assembly Description 4. Remove the LVDS, LAMP wire and FUNCTION cable then remove the SHIELD-COVER. Photo Screws LAMP WIRE LVDS FUNCTION 5. Remove the LCD panel. 6. Remove the two (2) screws shown in the figure. 7. Remove the four (4) screws shown in the figure and remove the Bracket support.
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3. Disassembly and Assembly Description 8. Remove the main PCB and IP boards from the SHIELD-cover. Photo Screws IP-BOARD MAIN-BOARD ※The assembly is in the reverse order of disassembly.
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3.
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4. Troubleshooting 4. Troubleshooting 4-1. Troubleshooting 1. Set custom mode as follows before beginning a repair. B1630N/B1930N B1730NW/B1930NW B2030N B2230N Resolution:1360x768 Resolution:1440x900 Resolution:1600x900 Resolution:1920 x 1080 V-frequency:60Hz V-frequency:75Hz V-frequency:60Hz V-frequency:60Hz H-frequency:47.7kHz H-frequency:70.6kHz H-frequency:60kHz H-frequency:67.5kHz 2. If the screen is blank, check whether the power cord is connected correctly. 3.
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4. Troubleshooting 4-2. When the Power Does Not Turn On Symptom -W hen turning on the Power button after connecting the power cable, the LED at the front of the monitor does not operate. -W hen turning on the Power button after connecting the power cable, the LED at the front of the monitor does not operate. Major checkpoints - Check the IP board power fuse and the IP board output power. - Check the connections for the IP board and the Main board inside the monitor.
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4. Troubleshooting 4-2-1.
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4. Troubleshooting 4-3. When the screen is blank Symptom - Even though the LED power turns on, the screen is blank when connecting the VGA cable. - Even though the LED power turns on, the screen is blank when connecting the VGA cable. Major checkpoints - Check the D-sub cable connections. - Check whether the LVDS cable is connected correctly to the panel. - Check whether the lamp connector of the panel is connected correctly to the IP board.
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4. Troubleshooting 4-3-1.
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4.
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4. Troubleshooting 4-3-2.
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4. Troubleshooting 4-4. Error Examples and Actions Error Appearance 4-8 Symptoms and Actions Remarks Symptom: A full white screen is displayed regardless of the signals when turning on the monitor. * A Full White pattern is a feature of a TN panel when no video signals are supplied. Cause: This error occurs when only lamp power is supplied and the video signals are not input to the panel due to an LVDS cable connection error.
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4. Troubleshooting 4-5. Adjustment 4-5-1. Service Adjustment Conditions 1. Precautions before a Service Adjustment 1) Check whether the devices for the service adjustment are operating normally. 2) Secure a space that is sufficiently wide for disassembling the monitor. 3) Prepare a soft mat on which the monitor will be disassembled. 2. Entering Service Mode Entering: Exiting: Menu Power OFF Brightness 0 Contrast 0 Hold down the Enter button for five (5) seconds. Power ON 3.
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4. Troubleshooting 4-5-2. Service Function Specifications Checking the Code Version 1. Check the MCU code version and checksum after entering SVC Mode. 2. E ntering SVC Mode - Adjust the Brightness and Contrast values to 0. - Hold down the Enter button for five (5) seconds. - The SVC Function OSD is displayed. - To exit the SVC Function, turn the power off. 3.
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4. Troubleshooting 2. Press the - button to change the setting to On or Off. When replacing the panel After replacing the panel, move to the Panel item and hold down the Menu button for five (5) seconds. The Ch. No is incremented by 1 and then both the On Time and Cycle are set to 0. This number is incremented by 1.
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4. Troubleshooting Inputting the DDC Data 1 2 3 4 5 Use the DDC Manager MTI-2050 version or later. 1) Click the Open [F5] icon. 2) Select a port. 3) Open a DDC file. 4) Select a date and click the OK [Save] button. 5) Click the Next [OK] button. 6 6) Enter the serial number and then press the Enter button ※When inputting digital data after inputting analog data, repeat steps 2 to 5.
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4.
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4. Troubleshooting 2) Click the Load File button. 2 3) Select an MCU code file, and then click the Open[O] button.
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4. Troubleshooting 4) Click the Auto button. 4 5) When programming and verification are complete, hard power the monitor off and then on again.
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4.
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5. Exploded View & Part List 5. Exploded View & Part List M0027 STD T0003 M0215 M0014 M0174 M0107 M0013 5-1.
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5. Exploded View & Part List 5-1-1. LS20PUYKF/EN - Parts List Location No. Code No. Description & Specification Q’ty SA/SNA M0013 BN96-12499B ASSY COVER P-REAR;PLUM 20 analog,HIPS,HB 1 SA M0014 BN94-03228H ASSY PCB MAIN;LS20PUYKF/EN 1 SA M0027 BN96-12486A ASSY STAND P-BASE;PLUM 15~20,ABS+PMMA(SF 1 SA STD BN96-12487A ASSY STAND P-BODY;PLUM 23,ABS+PMMA(SF-09 1 SA M0107 BN63-06352B SHIELD-COVER;PLUM 20 analog,SECC,T0.
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5. Exploded View & Part List 5-2. LS20PUYKF/EN - Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. 0.1 Code No. Description & Specification Q’ty SA/SNA Remark BN90-02395A ASSY COVER FRONT;B2030,H/GLOSSY 1 SNA 1 SA 2 SA ..2 T0003 BN96-12497A ASSY COVER P-FRONT;PLUM 20,ABS+PMMA,HB,B ...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW BN61-05972A GUIDE-PANEL;PLUM 23,SECC,T0.8 1 SNA ...
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5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty ...3 M0111 BN63-06314A COVERSTAND;PLUM23,ABS+PMMA,HB,BK23,H/GL 1 SNA ...3 M0006 BN63-06351B COVER-REAR;PLUM 20 analog,HIPS,HB,BK23 1 SNA BN63-06357A SHIELD-LAMP;PLUM 20'',SPTE,T0.3 1 SNA ...3 ...3 M0131 0.1 BP63-00786A GASKET;HLS6187WX/XAA,Conductive Adhesive 1 SNA BN91-03053B ASSY LCD-STZ;LS20MY* 1 SNA ..2 M0215 BN07-00624A LCD-PANEL;LTM200KT03,SSUTTT,6Bit + Hi-FR 1 SA 0.
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5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty ....4 C409 ....4 ZC14 ....4 DC108 ....4 PC11 ....4 C125 SA/SNA Remark 2203-000292 C-CER,CHIP;0.01nF,5%,50V,C0G,1608 2 SA 2203-000626 C-CER,CHIP;0.022nF,5%,50V,C0G,1608 1 SNA 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 25 SC 2203-006141 C-CER,CHIP;1000nF,10%,16V,X5R,1608 2 SNA 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 18 SC 1 SA ....
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5. Exploded View & Part List Level Location No. ..2 ..2 Description & Specification Q’ty SA/SNA Remark BN69-03093A PALLETWOOD;2033SW,WOOD,L1135,W815,H120, 1 SNA BN69-03565T PAD-PLATE;B2030,CB,SW,YEL,W1100,D780 1 SNA ..2 T0246 BN69-04302A CUSHION-SET;PLUM 20,EPS,WHITE 1 SNA 0.1 M0045 BN92-05474L ASSY ACCESSORY;LS20PUYKF/EN 1 SNA 1 SA ..2 T0268 3903-000452 CBF-POWER CORD;DT,EU/KR,CP3,IEC320 C13,2 ..2 M0114 BN39-00244G CBF SIGNAL;D-sub cable,15P/15P,20276N,15 1 SA ..
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5. Exploded View & Part List 5. Exploded View & Part List M0027 STD T0003 M0215 M0014 M0174 M0107 M0013 5-1.
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5. Exploded View & Part List 5-1-1. LS20PUYKF/EN - Parts List Location No. Code No. Description & Specification Q’ty SA/SNA M0013 BN96-12499B ASSY COVER P-REAR;PLUM 20 analog,HIPS,HB 1 SA M0014 BN94-03228H ASSY PCB MAIN;LS20PUYKF/EN 1 SA M0027 BN96-12486A ASSY STAND P-BASE;PLUM 15~20,ABS+PMMA(SF 1 SA STD BN96-12487A ASSY STAND P-BODY;PLUM 23,ABS+PMMA(SF-09 1 SA M0107 BN63-06352B SHIELD-COVER;PLUM 20 analog,SECC,T0.
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5. Exploded View & Part List 5-2. LS20PUYKF/EN - Parts List Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE) Level Location No. 0.1 Code No. Description & Specification Q’ty SA/SNA Remark BN90-02395A ASSY COVER FRONT;B2030,H/GLOSSY 1 SNA 1 SA 2 SA ..2 T0003 BN96-12497A ASSY COVER P-FRONT;PLUM 20,ABS+PMMA,HB,B ...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW BN61-05972A GUIDE-PANEL;PLUM 23,SECC,T0.8 1 SNA ...
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5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty ...3 M0111 BN63-06314A COVERSTAND;PLUM23,ABS+PMMA,HB,BK23,H/GL 1 SNA ...3 M0006 BN63-06351B COVER-REAR;PLUM 20 analog,HIPS,HB,BK23 1 SNA BN63-06357A SHIELD-LAMP;PLUM 20'',SPTE,T0.3 1 SNA ...3 ...3 M0131 0.1 BP63-00786A GASKET;HLS6187WX/XAA,Conductive Adhesive 1 SNA BN91-03053B ASSY LCD-STZ;LS20MY* 1 SNA ..2 M0215 BN07-00624A LCD-PANEL;LTM200KT03,SSUTTT,6Bit + Hi-FR 1 SA 0.
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5. Exploded View & Part List Level Location No. Code No. Description & Specification Q’ty ....4 C409 ....4 ZC14 ....4 DC108 ....4 PC11 ....4 C125 SA/SNA Remark 2203-000292 C-CER,CHIP;0.01nF,5%,50V,C0G,1608 2 SA 2203-000626 C-CER,CHIP;0.022nF,5%,50V,C0G,1608 1 SNA 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 25 SC 2203-006141 C-CER,CHIP;1000nF,10%,16V,X5R,1608 2 SNA 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 18 SC 1 SA ....
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5. Exploded View & Part List Level Location No. ..2 ..2 Description & Specification Q’ty SA/SNA Remark BN69-03093A PALLETWOOD;2033SW,WOOD,L1135,W815,H120, 1 SNA BN69-03565T PAD-PLATE;B2030,CB,SW,YEL,W1100,D780 1 SNA ..2 T0246 BN69-04302A CUSHION-SET;PLUM 20,EPS,WHITE 1 SNA 0.1 M0045 BN92-05474L ASSY ACCESSORY;LS20PUYKF/EN 1 SNA 1 SA ..2 T0268 3903-000452 CBF-POWER CORD;DT,EU/KR,CP3,IEC320 C13,2 ..2 M0114 BN39-00244G CBF SIGNAL;D-sub cable,15P/15P,20276N,15 1 SA ..
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6. Wiring Diagram 6. Wiring Diagram 6-1.
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6.
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6. Wiring Diagram NO Block 1 Scaler IC200 2 Role Description The ADC, TMDS, Scaling and Controller are integrated on a single chip. Remarks SE919LM-NT FLASH MEMORY Stores the firmware for the Scaler. The information can be IC401 updated. 3 EEPROM IC402 Stores the OSD, Timing etc. 4 EEPROM IC202 Stores the EDID data. 5 Regulator IC601, IC602 The IC for a stable DC power supply.
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6. Wiring Diagram 6-2.
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6. Wiring Diagram 6-3. Connector Functions Connector CN802 CN600 Functions Supplies 5V from the power board to the main board and transmits the PWM output from the power board to the inverter. *When a problem occurs: The No Power and Blank Screen errors may occur. CN1 ~ CN4 In Transmits the lamp current (6mA ~ 7mA) generated in the inverter to the lamp of the panel. * When a problem occurs: The Blank Screen error may occur.
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6.