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SERVICE MANUAL 

LCD Television
CHASSIS :  SL-110P

Model :  DSL-20D3

APR. 2005

Summary of Contents for DSL-20D3

Page 1: ...SERVICE MANUAL LCD Television CHASSIS SL 110P Model DSL 20D3 APR 2005...

Page 2: ...pecification 4 3 Block Diagram 7 3 1 PCB Structure 3 2 Power Tree 3 3 Signal Block Diagram 4 Description of video circuit 10 5 Schematic Diagram 20 6 SL 110P Service Data 29 7 Service Part List 36 7 1...

Page 3: ...lding PCBs are working as electric circuit grounding make sure to check if any screw is missing when assembling reassembling Do not leave any screws inside the set 5 A LCD Set contains different kinds...

Page 4: ...1 S20 UHF HYPER BAND S21 S41 BAND CH21 CH69 PIF 38 9 B G D K I i L 34 2 L SIF 33 4 B G 32 4 D K L 32 9 I I 41 0 L IF SubCarier S subcarrier 5 5 5 85 NICAM 5 74 2 Carrier Color subcarrier 4 43 PAL 4 25...

Page 5: ...by 3W under Power supply DC 15V External Adaptor Power Source AC 100 240V 50 60 Dimension W H D Set dimension with Stand 608 403 215 Tilt Front Back 5 15 Weight with Stand 10 95 USER CONTROL ACCESSOR...

Page 6: ...quency Hz H frequency KHz 15 inch 17 inch 20inch MAC 640 480 66 35 832 624 75 49 73 2 2 Available Input Signal 1 PC input 2 Component input 480i 60 Hz 480p 60 Hz 576i 50 Hz 576p 50 Hz 720p 60 Hz 1080i...

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Page 9: ...AIN L R H P L R SCL1 SDA1 CVBS Y C RGB CVBS RXD SCL2 GHS GCLK GCOAST SCL2 SDA2 L R L R G COAST PC RGB 24bit SCART AUDIO AV AUDIO COMP1 AUDIO SW PC AUDIO PC HV TV HV PC RGB COMP1 YPbPr TV RGB MAIN IC V...

Page 10: ...TV signal CVBS NTSC Y C signal Component signal Y Pb Pr 1080i 720P 480P 480i Analog PC signal to produce Output Signal for LCD panel 15 1024 768 17 1280 768 20 800 600 Introduction for main IC 4 1 IC...

Page 11: ...nel SAW filter must be used TV signal Tuner TU1 SAW filter S3 72 73 pin of VCTI IC 29 DRX of VCTI Features Multi standard QSS IF processing with a single SAW Programmable IF frequency 38 9 MHz 45 75 M...

Page 12: ...IC33 Switching 78 79 pin of VCTI IC29 MSP of VCTI OUTPUT 84 85 of VCTI TDA1517 IC25 IC30 Features Sound Demodulator worldwide FM AM mono demodulation FM carrier based demodulation A2 EIA J FM stereo r...

Page 13: ...ds macro vision compliant multi standard sync processing macro vision detection letterbox detector auto wide 1H delay line PAL compensation NTSC combfilter 4H adaptive comb filter PAL NTSC vertical pe...

Page 14: ...olor transient improvement CTI brightness contrast saturation and tint programmable YCrCb to RGB matrix static black stretch blue stretch gamma correction by a programmable Non linear Colorspace Enhan...

Page 15: ...ision specific hardware features The on chip display unit for displaying Level 1 5 Teletext data can also be used for customer defined onscreen displays Features Controller Features 8 bit 8051 instruc...

Page 16: ...16 MST9883 Triple Video A D Converter with Clamps Pixel Clock Synthesizer INPUT 1 RF 1 CVBS 1 Y C 2 Component 1 PC signal PI5V330 IC5 9 34 Switching 43 48 54 pin of MST9883 IC16 OUTPUT PC signal Gport...

Page 17: ...nterlacing with fast motion detection and processing Deinterlacing with motion boundary preservation using previous 30 fields motion history Deinterlacing with film mode detection and processing for f...

Page 18: ...20 800 600 Control MST9883 and MDIN I2C 74LV273A IC40 Digital port Switching IC Features ITU R 656 Video Interface 2nd Generation Horizontal and Vertical Image Scaling Pixel Rate Conversion Multi Regi...

Page 19: ...ignal of PW113 LV385 Converting LVDS signal LCD panel EL LV385 Transmitter converts parallel 28bits CMOS TTL data to serial LVDS Low Voltage Differential Signaling 4 7 IC9 and IC34 PI5V330 Quad 2 chan...

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Page 29: ...mote controller 1 SVC key 2 PART key RED Screen 3 PR UP key GREEN Screen 4 PR UP key BLUE Screen 5 PR UP key WHITE Screen 6 PR UP key BLACK Screen 7 PR UP key cancel 5 W B ITEM SVC remote controller 1...

Page 30: ...MHZ RETMA 32 PAL B 5CH 175 25 MHZ CROSS HATCH 33 PAL B 10CH 210 25 MHZ COLOR BAR 34 PAL B 4CH 62 25 MHZ DEM 35 SCM B 12CH 224 25 MHZ SCM COLOR BAR 36 PAL K 26CH 511 25 MHZ RETMA 37 PAL 1 31CH 551 25...

Page 31: ...S_PC 32 25 32 25 32 20 4 USER_SVC Mode EXTERNAL OSD MODE USER_SVC Mode PR91 Sharpness 0 R G Y MENU PC User remote controller ITEM DATA REMARK EXTERNAL BRIGHTNESS 40 EXTERNAL CONTRAST 40 EXTERNAL OSD N...

Page 32: ...y SCREEN key R G B DRV BIAS UP DOWN key Enable to adjust W B value Changing RED and BULE value of W B Panel 2 SCV key cancel 5 Inch Option Method USER remote controller 1 PR91 Sharpness 0 R G Y MENU P...

Page 33: ...Meter CA 100 to 80 20 of white level on the screen 8 Push SVC KEY of SVC Remote controller to enter SVC Mode 9 Push SCREEN KEY of Remote controller in SVC Mode PANEL TV MODE Convert 10 Adjust White B...

Page 34: ...720p PATTERN COLOR BAR Finish LINE Resolution 1080i 60Hz PATTREN COLOR BAR 2 PC MODE PCB LINE Resolution 800 600 SVGA VESA 72Hz PATTERN FULL COLOR BAR Finish LINE 15 INCH 1024 768 70Hz VESA XGA 17 INC...

Page 35: ...hboring dots 1 2 neighboring dots 0 3 neighboring dots 0 3 neighboring dots 0 random number 7 random number 6 Dark Dot 2 neighboring dots 2 2 neighboring dots 2 random number 5 3 neighboring dots 1 3...

Page 36: ...R 0 1MF K 1608 C117 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C118 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C12 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C120 HCBK104KBA C CHIP CERA 50V X7R 0 1...

Page 37: ...30 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C333 HCQK220JBA C CHIP CERA 50V CH 22PF J 1608 C334 HCQK220JBA C CHIP CERA 50V CH 22PF J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK loc parts_code par...

Page 38: ...R CHIP 1 10 100 OHM J 1608 R246 HRFT101JBA R CHIP 1 10 100 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK R247 HRFT152JBA R CHIP 1 10 1 5K OHM J 1608 R248 HRFT152JBA R CHIP 1 10 1 5K OHM J 1608 R...

Page 39: ...M 8063 C256 HCELH101MD C CHIP ELECTRO 25V 100MF CM 8063 LOC PARTCODE PARTNAME DESCRIPTION REMARK C260 HCELF470MC C CHIP ELECTRO 16V 47MF CM 5053 C261 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 C267 H...

Page 40: ...HIP COIL 5 6UH MLF2012E L24 HLC100K02A L CHIP COIL 10UH MLF 2012 LOC PARTCODE PARTNAME DESCRIPTION REMARK loc parts_code parts_name parts_descr L25 HLC569K00A L CHIP COIL 5 6UH MLF2012E L26 HLC479J00A...

Page 41: ...9 HRFT331JBA R CHIP 1 10 330 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK R15 HRFT330JBA R CHIP 1 10 33 OHM J 1608 R150 HRFT103JBA R CHIP 1 10 10K OHM J 1608 R155 HRFT472JBA R CHIP 1 10 4 7K OH...

Page 42: ...R CHIP 1 10 3 3K OHM J 1608 R8 HRFT102JBA R CHIP 1 10 1K OHM J 1608 R81 HRFT562JBA R CHIP 1 10 5 6K OHM J 1608 R84 HRFT391JBA R CHIP 1 10 390 OHM J 1608 R85 HRFT122JBA R CHIP 1 10 1 2K OHM J 1608 R86...

Page 43: ...RFT241JBA R58 R CHIP 1 10 56 OHM J 1608 R78 R CHIP 1 10 2K OHM J 168 HRFT202JBA R94 R CHIP 1 10 2K OHM J 1608 HRFT202JBA R95 R CHIP 1 10 240 OHM J 1608 HRFT241JBA L85 L CHIP COIL 4 7UH MLF2012 HLC479J...

Page 44: ...40W DLP 17D3SHS 40W Over current Protection 6 0 11A 5 8 9 5A Over voltage Protection Over 13 2 Vdc Over 13 2 Vdc 8 Adapter Specification Model AP06315 UV SAD7015SE Manufacturing ANAM Instrument H E In...

Page 45: ...Lamp 1 Typical Input Voltage 12V DLP 15 17D3SHS 15V DSL 20D3 2 Dimming voltage 0V MAX BRIGHTNESS 5 0V Min brightness Fix 0V 3 Lamp ON OFF Voltage HIGH Inverter ON Low Inverter OFF HIGH BLKON 3 0V LOW...

Page 46: ...ubleshooting Backlight doesn t turn on Is voltage of pin 1 2 3 of P3 and VIN_PWR 12V 15 17inch 15V 20inch Is voltage of pin 9 of P3 over 2 5V Check Adapter Check Main PCB Check start Y N N Y Y Exchang...

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