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Digital LCD DVD Combo TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : ML-027B

MODEL : KU-17WDVD

website:http://biz.LGservice.com

e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for KU-17WDVD

Page 1: ...DVD Combo TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 027B MODEL KU 17WDVD website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...tc to be sure the set is safe to operate without damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on positioin connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metalli...

Page 3: ... DESCRIPTION OF CONTROLS 5 ADJUSTMENT INSTRUCTIONS 8 TROUBLESHOOTING 11 PRINTED CIRCUIT BOARD 12 BLOCK DIAGRAM 15 EXPLODED VIEW 16 EXPLODED VIEW PARTS LIST 17 REPLACEMENT PARTS LIST 18 SCHEMATIC DIAGRAM TABLE OF CONTENTS ...

Page 4: ...m Television Channels Television Screen External Antenna Impedance Audio Output KU 17WDVD DC15V 4 5A In AC 100 240V 1 6A 0 7A 50 60Hz Out DC 15V 4 5A For use only with Model No SAD7015SE AC Adapter manufactured by H E CO LTD NTSC VHF 2 13 UHF 14 69 Cable 01 125 LCD Panel 75 Ω 3 W 3 W ...

Page 5: ... in Standby mode Glows green when the TV is turned on Stereo Indicator TV Video Button Menu Button Enter Button Volume Buttons Channel Buttons Stop Button Stops playback Repeat Button Repeat playback Open Close Button Open or close the disc tray Disc Slot Place a disc on the disc slot Note Insert a disc after fac ing a logo printed side to front See a figure Play Pause Button Start or pause playba...

Page 6: ...TV IN AUDIO PR PB Y DC IN 15V L R PC INPUT DVD OUT OPTICAL DIGITAL SOUND OUT VIDEO Headphone Jack S Video Input Video Input Audio Input DC 15V Input Use with AC adapter DVD DTV Input Component 480i 480p 720p 1080i Audio DVD Video Output PC Sound Input Digital Sound Optical output PC Input Antenna Input DESCRIPTION OF CONTROLS ...

Page 7: ... CH D D Tunes to next higher PIP channel PIP INPUT Selects the input source for the sub picture EXIT Clears all on screen displays and returns to TV viewing from any menu TV VIDEO Selects TV Video S Video DVD Component or RGB PC mode AUDIO Selects the sound appropriate for the program s character ARC Changes the aspect ratio FCR ZOOM Press this button to return to the last channel you were watchin...

Page 8: ...narily before adjustment if there is no specific designation Heat Run must be performed with the full white signal or TV noise signal in the internal part of the set The time for Heat Run can be changed owing to production plan 3 PC Input Mode Adjustment 3 1 Required Test Equipment 1 MSPG 925LTH or A pattern generator Gray pattern of 16 tones 2 A adjustment communicator 3 2 Preparation for Adjustm...

Page 9: ...23 1 SVGA 72 800 600 72 1040 240 120 POS 64 56 48 077 50 0 666 66 6 POS 23 37 Mode H_Display V_Display V_Frequency H_Total H_Blanking H_Sync H_Polarity H_Vp H_Fp H Freq KHz Clk MHz V_Total V_Blanking V_Sync V_Polarity V_Bp V_Fp SVGA 75 800 600 75 1056 256 80 POS 160 16 46 875 49 5 625 25 3 POS 21 1 SVGA 85800 600 85 1048 248 64 POS 152 32 53 674 56 25 631 31 3 POS 27 1 XGA 60 1024 768 60 1344 320 ...

Page 10: ... 01 01 26 00 FF 0B 50 40 01 01 30 32 FF 01 54 81 01 01 18 55 FF 01 BF 80 01 01 88 1E FF 78 E8 01 01 01 36 46 FF 1F 80 01 01 01 00 0D FF 17 31 10 01 01 0E 00 00 70 59 0E 01 01 C3 0A 30 E8 3B 01 F9 01 10 20 E5 C3 D9 01 15 01 00 20 D7 A0 45 01 01 64 00 20 3A A3 59 01 01 19 1E 20 01 54 61 01 01 00 00 20 00 4C 59 01 01 40 00 20 00 97 71 01 01 41 00 00 00 24 59 01 01 00 FD C8 ...

Page 11: ...k and repair tuner board and main board soldering at tuner board 2 Dark screen 1 Defective LCD lamp 1 Replace the LCD lamp 2 Defective inverter 2 Replace the inverter 3 Input error for inverter 3 Check the connector input 1 General Features 2 PC Mode No Symptom Cause Check Point No Symptom Cause Check Point Check Point 1 Screen noise Clock or phase being 1 Resettig is needed according to the video...

Page 12: ... 12 PRINTED CIRCUIT BOARD MAIN TOP ...

Page 13: ... 13 PRINTED CIRCUIT BOARD MAIN BOTTOM ...

Page 14: ... 14 PRINTED CIRCUIT BOARD SIDE AV DVD CONTROL LED TV CONTROL ...

Page 15: ... 15 BLOCK DIAGRAM ...

Page 16: ... 16 EXPLODED VIEW 524 500 530 581 570 320 390 582 400 401 550 300 112 311 310 560 120 120 521 540 541 580 522 523 340 350 330 360 370 380 330 ...

Page 17: ...15LA60 390 4810V00837E BRACKET CONTROL KU 17LZ23 NON HIPS 40AF 400 3809V00371R BACK COVER ASSEMBLY KU 17LZ23 NON 401 3550V00335B COVER REAR AV RU 17LZ22 ABS HF 380 500 6871VMMQ91A PCB ASSEMBLY MAIN ML 027B MANUAL ASSY 521 4950V00168B METAL SHIELD NON FOR DVD 522 4950V00191A METAL SHIELD ET KZ 17LZ21 523 4810V00896C BRACKET REAR AV KU 17LZ23 NON HIPS 40AF 524 4950V00167F METAL FRAME EGI 530 6633VA0...

Page 18: ... IC806 IC807 IC808 IC809 IC810 IC888 IC889 IC901 IC915 IC940 IC950 IC951 IC804 IC805 Q1001 Q1002 Q104 Q107 Q201 Q202 Q203 Q2201 Q3 Q4 0IZZVC0107A 0IMCRFA021A 0IFA754207A 0IAL242110A 0IMCRFA022A 0ISG282200A 0IAL241610B 0IIT323000E 0IIN298003A 0IMCRPW001B 0IMCRTI020A 0IMCRAL006A 0IMCRTI002A 0IMCRGN001B 0IMCRPU001A 0IMCRTI022D 0IMCRMN012A 0IKE704200J 0IMCRTH001A 0IMCRNS007B 0IMCRNS007C 0IMCRNS007C 0I...

Page 19: ...FM5 BP D TP 1UF SHL SD 50V M FM5 BP D TP 1UF SHL SD 50V M FM5 BP D TP 1UF SHL SD 50V M FM5 BP D TP LOCA NO PART NO DESCRIPTION C45 C46 C546 C583 C584 C585 C59 C6 C60 C603 C61 C613 C616 C617 C619 C62 C620 C620 C621 C622 C624 C626 C627 C627 C628 C628 C63 C630 C634 C643 C644 C645 C650 C658 C660 C662 C665 C666 C668 C677 C682 C683 C684 C685 C687 C711 C730 C777 C802 C804 C805 0CE477DD618 0CE476DD618 0CE...

Page 20: ...03 SJ205 L101 L2203 L2204 L2206 L2207 L2208 L2209 L652 L653 L654 L655 L801 T801 JA202 P2001 P2201 P2301 L2205 R2001 R2002 R2003 R2004 R2005 R2101 R2102 R2103 R2104 R2105 R2106 RA401 RA402 RA403 RA404 RA405 RA406 RA407 RA451 RA452 RA453 380 336F 6613V00008F 6612VAH001C 380 336B 6612BBBHN4C 6612VJH008D 0LA0102K139 0LA0331K119 0LA0331K119 0LA0472K119 0LA0472K119 0LA1000K119 0LA1000K119 6140VR0008A 61...

Page 21: ...16501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HB1S2012080JT FILTER EMC HB1S2012080JT FILTER EMC HB1S2012080JT FILTER EMC HH1M3216501 FILTER EMC HB1S2012080JT FILTER EMC HB1S2012080JT LOCA NO PART NO DESCRIPTION L223 L3 L301 L302 L303 L4 L451 L452 L453 L454 L601 L602 L603 L651 L659 L660 L699 L702 L703 L732 L802 L901 L951 L952 L953 L954 X1 X1501 X301 X501 X601 PA2301 TU101 A1 A2 A3 ...

Page 22: ...Dec 2003 Printed in Korea P NO 3828VD0140L ...

Page 23: ...4450 ...

Page 24: ......

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