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SERVICE
TFT-LCD TV/MONITOR
TFT-LCD TV/MONITOR
Chassis
Model
VR17JO
LT17N23W
Manual
1. Precautions
2. Product Specifications
3. Disassembly & Reassembly
4. Alignment & Adjustments
5. Troubleshooting
6. Exploded View & Parts List
7. Parts List
8. Block Diagram
9. Wiring Diagram
10. PCB Layout
11. Schematic Diagrams
12. Panel Description
CONTENTS
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Summary of Contents for Samsung LT17N23W
- Page 1 TFT-LCD TV/MONITOR Chassis Model VR17JO LT17N23W SERVICE Manual TFT-LCD TV/MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignment & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Parts List 8. Block Diagram 9. Wiring Diagram 10.
- Page 2 KEY1 CN804 POWER_KEY CH+_OUT CN505 CH-_OUT ADJ_BRIGHTNESS CN806 AGASW_INVERTER IDENT_HP CN805 14_INVERTER 14_INVERTER HP_L 14_INVERTER HP_R 14_INVERTER 14_INVERTER PC_AUDIO_L 14_INVERTER PC_AUDIO_R SVHS_C SVHS_Y LED_GRN VIDEO_CVBS CN807 LED RED VIDEO_L A3.3V VIDEO_R CN601 CN808 CN802 CN801 CN803 CN809 CN701 CN702 LT17N23W...
- Page 3 C618, C621? main ass’y. (BN91-00716A) Does proper DC 14V Change IC605 or main ass’y. appear at C628? (BN91-00716A) Does each proper DC 8V, 9V_1 Check IC607/IC608 and appear at C635, C638? related circuit. Replace the board with new one. LT17N23W...
- Page 4 5 Troubleshooting WAVEFORMS LT17N23W...
- Page 5 5 Troubleshooting WAVEFORMS LT17N23W...
- Page 6 Does the signal appear at Change IC101 or main ass’y. RA101~RA107? (BN91-00716A) Does the signal appear at Change main ass’y. RA514~RA519? (BN91-00716A) Change X501 or main ass’y. Does the signal appear at X501? (BN91-00716A) Replace the LCD_panel with new one. LT17N23W...
- Page 7 5 Troubleshooting WAVEFORMS LT17N23W...
- Page 8 Repeat ‘A’ process. 5-3-2 No Video (Component 1, D Connector Input [408i, 480p, 720p, 1080i]) Does the signal appear at Change IC103, CN802 or replace C136, C137, C140 (Y, Pb, Pr)? main board with new one. Repeat ‘A’ process. LT17N23W...
- Page 9 5 Troubleshooting WAVEFORMS LT17N23W...
- Page 10 5 Troubleshooting WAVEFORMS LT17N23W...
- Page 11 Change IC703 or replace main C753/C754 (D connector input), board with new one. C755/C766 (comp1)? Does the signal appear at Change IC701 or C701/C704 (Sound_R), replace cable with new one. C724/C725 (Sound_L)? Replace R/L speaker with new one. WAVEFORMS LT17N23W...
- Page 12 6. Do not attempt to connect or disconnect any wire while the TV is turned on. Make sure that the power cord is disconnected before replacing any parts. 7. To protect aganist shock hazard,use an isolation transform. LT17N23W...
- Page 13 4-2-1 Entering Factory Mode 1. To enter “Service Mode” Press the remote -control keys in this sequence : - If you do not have Factory remote - control - If you have Factory remote - control 4-2-2 Factory Mode Tree LT17N23W...
- Page 14 4 Alignments and Adjustments LT17N23W...
- Page 15 4 Alignments and Adjustments LT17N23W...
- Page 16 4. As the RF mode is applied with the same vlaues as for VIDEO and S-VIDEO, adjustment can be made in any of RF, VIDEO and S-VIDEO modes. Table 4-1. White Balance Setting Conditions Table 4-2. Color Control Default Vlaue Table 4-3. Color Control Default Vlaue LT17N23W...
- Page 17 * Input signal - VIDEO Mode : Model #1 (750*480 Mode), Pattern #16 - DTV Mode : Model #6 (1280*720 Mode), Pattern #16 - PC Mode : Model #21 (1024*768 Mode), Pattern #16 b) Enter factory color control, confirm the data. LT17N23W...
- Page 18 - Adjust red gain ('x') and blue gain ('y') to the color coordinates. * The green gain and sub - Contrast ('Y') are fixed to the default and are not adjusted. Picture 4-3 Toshiba ABL Pattern High light Measurement point 4-3-3 Option Table LT17N23W...
- Page 19 4 Alignments and Adjustments 4-3-4 PW565 * The PW565 output data are fixed to the default and are not adjusted. 4-3-5 VPC 3230-MAIN * The Data are fixed to the default and are not adjusted. LT17N23W...
- Page 20 * Pilot High : 16 (default) Pilot Low : 10 (default) 4-3-10 Reset * Initializes the data in the MICOM. (Set to default value) The values set in factory mode remain unchanged. 4-3-11 T_VIC17NUS_1018 07/05/2003 18:12:26 * Displays the MICOM program version LT17N23W...
- Page 21 8 Block Diagram ❈ This Document can not be used without Samsung’s authorization. LT17N23W...
- Page 22 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-1 Schematic Diagram 3.3V IPDATACH2A(0:15) IC901 IPDATACH1A(0:23) BD201 Z8612912SSC 3.3UH A3.3V R901 1/16W R_CAP Vss_1 C203 R960 C260 C202 R902 1/16W R907 1/16W 100uF R201 G_CAP 68nF...
- Page 23 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-2 Schematic Diagram 3.3V 3.3V_1 FT503 FT501 FT502 DGDP SGM32F1E104-2A GLVDS A3.3V SGM32F1E104-2A SGM32F1E104-2A FSADDR(11) FSADDR(11) FT504 T505 FSADDR(12) FSADDR(12) SGM32F1E104-2A GRAM1 FSADDR(10) FSADDR(10) AG565 FSADDR(0) DG565...
- Page 24 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-3 Schematic Diagram TP854 CN701 14V_INVERTER SUPLVAL IC601 slcon3p R601 MC34063ACD 0.33 TP859 TP840 CN601 SUPLVAL SUPLVAL TP860 dcjhp_7 BD601 SUPLVAL BLM41P600S BD603 C776 C605 C606 TP855...
- Page 25 11 Schematic Diagrams ❈ This Document can not be used without Samsung’s authorization. 11-4 Schematic Diagram LNA OPTION FROM SUB INPUT BOARD CN805 D821 D822 T869 slcon17p 9V_1 RLZ8.2 RLZ8. 2 TP892 TP893 VIDEO_R T809 CN801 Component2 Input(D4,JAPAN ONLY) L809...
- Page 26 BN94-00492A ASSY COVER FRONT BN90-00585A ASSY COVER REAR BN90-00587A LCD-PANEL BN07 - 00119A ADATOR BN44-00074B ASSY CHASSIS BN91-00716A ASSY SHIELD BN91-00718A ASSY BOARD P-AV/JACK BN96 - 00503A ASSY BOX BN92-00927A ASSY LABEL BN92-00929A REMOCON BN59-00374A ASSY ACCESSORY BN96-00580Z, BN96-00619W LT17N23W...
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