Samsung LTW19HS Скачать руководство пользователя страница 44 | Manualshive

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Samsung LTW19HS Скачать руководство пользователя страница 44

4-16

4. Troubleshooting

3) Click the Auto Program button.

4) When programming and verification are complete, hard power the monitor off and then on again.

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Содержание LTW19HS

Страница 1: ...TFT LCD Monitor Contens T190 T190 G Refer to the service manual in the GSPN see the rear cover for the more information 1 Precautions 2 Product specifications 3 Disassembly and Reassemble 4 Troublesho...

Страница 2: ...When the Power Does Not Turn On 4 2 4 3 When the screen is blank Analog 4 4 4 4 When a blank screen is displayed Digital 4 7 4 5 Error Examples and Actions 4 10 4 6 Adjustment 4 11 5 Exploded View Pa...

Страница 3: ...rope 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 Any...

Страница 4: ...When disassembling the monitor do not use any metal tools except for the provided jig 3 Disassemble the monitor carefully as directed in the following procedures Description Photo Screws 1 Place a so...

Страница 5: ...y Description Photo Screws 4 Remove the cover and the LCD panel using the provided jig on both grooves at the bottom 5 Remove the INVERTER wire LVDS cable and FUNCTION cable and then remove the SHIELD...

Страница 6: ...IELD LAMP of left side disassemble lamp wire between panel and IP Board 7 Remove the four 4 screws shown in the figure and remove the Bracket support 8 Remove the two 2 screws and then remove the hold...

Страница 7: ...ssembly 10 The assembly is in the reverse order of the disassembly 11 Connect the disassembled snap and the LED module again 12 Fix the connecting wire with filament tape Caution If the wire is damage...

Страница 8: ...mbly and Assembly Description Photo Screws 13 The assembly is in the reverse order of the disassembly Insert the cover into the groove and then press both sides The assembly is in the reverse order of...

Страница 9: ...3 6 3 Disassembly and Assembly Memo...

Страница 10: ...5 1 5 Exploded View Part List 5 Exploded View Part List 5 1 LS19TWHSXV XF Exploded View T190 T190 G T0003 M0215 M0112 M0013 BN96 07927A STD M0027 BN63 04506A...

Страница 11: ...5 BN07 00493A LCD PANEL LTM190M2 L31 2 1 S A BN63 04506A SHIELD LAMP T19W SPTE T0 3 1 S N A M0112 BN91 02262A ASSY SHIELD LS19TW TOC 1 S N A M0013 BN96 07380A ASSY COVER P REAR LS19TW PMMA ABS HB BK2...

Страница 12: ...G25 42 6X10 31 BN96 0 1 S N A 5 BN81 01715A A S HARNESS PST0716 01 BN96 07569A 1 S N A 5 BN81 01716A A S SHADING TAPE 1350 98 9X14 82 1 S N A 5 T0174 BN97 02297N ASSY SMD T W W 1 S N A 6 BN81 01712A...

Страница 13: ...0gf 4 5x4 5x1 5 1 S A 6 PCB BN41 01033A PCB FUNCTION T Function PCB FR 4 2 MP 1 1 S N A 0 1 M0002 BN90 01622A ASSY COVER REAR LS19TW_TOC 1 S N A 2 M0013 BN96 07380A ASSY COVER P REAR LS19TW PMMA ABS H...

Страница 14: ...200m A SO 1 S A 4 D110 0401 001056 DIODE SWITCHING MMBD4148SE 100V 200m A SO 1 S A 4 D600 0402 001614 DIODE RECTIFIER S1G 400V 1A DO 214AC TP 1 S A 4 D601 0402 001614 DIODE RECTIFIER S1G 400V 1A DO 2...

Страница 15: ...22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 2007 000071 R CHIP 22ohm 5 1 10W TP 1608 1 S A 4 R110 20...

Страница 16: ...CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4 R110 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 S A 4...

Страница 17: ...HIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608 1 S A 4 C120 2203 005005 C CER CHIP 100nF 10 16V X7R 1608...

Страница 18: ...HIP 10000nF 80 20 10V Y5V 3216 1 S A 4 C120 2203 005437 C CER CHIP 10000nF 80 20 10V Y5V 3216 1 S A 4 C607 2402 001128 C AL SMD 100 F 20 16V TP 6 3X5 7mm 1 S A 4 C629 2402 001128 C AL SMD 100 F 20 16V...

Страница 19: ...WARRANTY CARD SAMSUNG BA 1 S N A 4 BH68 00297F MANUAL FLYER 10 WARRANTY CARD ENVELOPE S 1 S N A 3 BN63 02368A CLOTH LS07BTT SUEDE 0 6 160 120 1 S N A 3 M0215 BN96 07349A ASSY MANUAL P IB QSG T220 T200...

Страница 20: ...P WIRE MCKINLEY ABS HB BK23 1 S N A 4 6902 000336 BAG ZIPPER LDPE T0 05 W70 L80 TRP 1 S N A 4 M0114 BN61 03555A HOLDER WIRE MCKINLEY ABS HB BK26 1 S N A 0 1 M0003 BN92 03510T ASSY BOX LS19TWHSXV XF 1...

Страница 21: ...nal Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 With the unit completely reassembled plug the AC line cord directly into a 1...

Страница 22: ...rument s ground lead last 1 3 Static Electricity Precautions Some semiconductor solid state devices can be easily damaged by static electricity Such components are commonly called Electrostatically Se...

Страница 23: ...m being exposed to moisture Otherwise it may cause a fire or electric shock Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product Also check the an...

Страница 24: ...1 4 1 Precautions Memo...

Страница 25: ...0 kHz 81 kHz Automatic Vertical 56 Hz 75 Hz WSXGA 60Hz Display Colors 16 7 Million colors Maximum resolution Horizontal 1440 Pixels Vertical 900 Pixels Input Signal Analog DVI Digital Input Sync Signa...

Страница 26: ...ht 7 step 7 step Feature Magic Color Color Effect Image Size Magic Bright3 Magic Tune Premium Magic Color Color Effect Image Size Magic Bright3 Magic Tune Premium Color Effect Grey scale Images are di...

Страница 27: ...ronics Service center Warranty Card Not available in all locations BH68 00633B User s Guide Monitor Driver Natural Color Pro Software BN59 00716A D Sub 15 Pin Cable BN39 00244G Power Cord 3903 000042...

Страница 28: ...2 4 2 Product specifications Memo...

Страница 29: ...een is blank check whether the power cord is connected correctly The circuits to check When the raster does not appear The Function PCB Main PCB I P PBA When 5V is generated but a blank screen is disp...

Страница 30: ...d inside the monitor Check the Main board power part and also check whether there is any abnormal output at any of the other output terminals CN 600 IC 602 IC 601 Diagnostics Yes Check the connection...

Страница 31: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams when the power does not turn on...

Страница 32: ...4 R118 Diagnostics Yes Check the signal cables and their connections Yes No Check the R111 R114 and R118 input terminals No Check the circuits related to IC200 No Check the circuits related to CN400 D...

Страница 33: ...4 5 4 Troubleshooting 4 3 1 When a blank screen is displayed Analog...

Страница 34: ...4 6 4 Troubleshooting 4 3 2 Waveforms when no screen is displayed Analog...

Страница 35: ...ed correctly to the IP board CN 400 X 201 IC 200 R100 R101 R103 R107 Diagnostics Yes Check the signal cables and their connections Yes Check and replace the circuits related to X201 No Is X201 oscilla...

Страница 36: ...4 8 4 Troubleshooting 4 4 1 Circuit diagrams when a blank screen is displayed Digital...

Страница 37: ...4 9 4 Troubleshooting 4 4 2 Waveforms when a blank screen is displayed Digital...

Страница 38: ...On how to input DDC refer to the training manual Symptom A full white screen is displayed regardless of the signals when turning on the monitor Cause This error occurs when only lamp power is supplied...

Страница 39: ...c Service Items to Perform after Replacing a Board 1 Check the PC color adjustment status 2 Input DDC input both of Analog and Digital 3 Check whether the appropriate MCU code for the model is input 4...

Страница 40: ...e SVC Function OSD is displayed To exit the SVC Function turn the power off 3 Safe Mode When the input signal is higher than the supported frequency of the product safe mode gives users some time one...

Страница 41: ...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...

Страница 42: ...r 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 Enter the serial number and then press the Enter button Whe...

Страница 43: ...Data 1 Check the following options Manufacture MSTAR Device Type TSUM16_ROM128K_ext_flash Communication Port DSUB15 Analog External Memory PMC25LV010E 2 Click the LoadFile button select an MCU code f...

Страница 44: ...4 16 4 Troubleshooting 3 Click the Auto Program button 4 When programming and verification are complete hard power the monitor off and then on again 3...

Страница 45: ...4 17 4 Troubleshooting Inputting the Code HDCP 1 Run the service exe file 2 Click the HDCP button...

Страница 46: ...4 18 4 Troubleshooting 3 Click the HDCP Write button and select MStar_HDCPKEY 4 Inputting the HDCP key is completed...

Страница 47: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram Main Board Lamp wire for Panel LVDS for Panel VGA Input...

Страница 48: ...iring Diagram IP Board Function Connector Connect to IP Board RGB Connector Connect to PC LVDS Connector Connect to Panel 3708 001150 Scaler SE758MRH LF 3711 003847 3701 001219 IP board 3701 001173 DV...

Страница 49: ...cur 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 CN101 Connects the function board When a pro...

Страница 50: ...6 4 6 Wiring Diagram Memo...

Страница 51: ...ated into one chip SE758MRH LF Flash Memory IC201 Stores the MCU program embedded in the scaler It is of a flash type and rewritable MX25LV512 IC203 Stores the OSD and various timing values 24C08 IC20...

Страница 52: ...Part 7 3 Schematic Diagrams Power Flowchart SE758MRH LF Embedded MCU Function Receives analog and digital input and sends it to the LVDS according to the panel resolution Stores the MCU code Hex Stor...

Страница 53: ...7 3 7 Schematic Diagram 7 4 Schematic Diagrams IP Board SMPS Part...

Страница 54: ...7 4 7 Schematic Diagram Inverter Part...

Страница 55: ...7 5 7 Schematic Diagrams 7 5 Schematic Diagrams Main PBA This Document can not be used without Samsungs authorization Scaler SE758MRH LF DVI Part Connector Analog Part...

Страница 56: ...7 6 7 Schematic Diagrams Memo...

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