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LG RU-17LZ22, Service Manual, Page: 6 / 24

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Summary of Contents for RU-17LZ22

Page 1: ...UAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 027C MODEL RU 17LZ22 website http biz LGservice com e mail http www LGEservice com techsup html I h t t p w w w w j e l n e t ...

Page 2: ...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 metallic parts such a...

Page 3: ...F CONTROLS 5 ADJUSTMENT INSTRUCTIONS 7 TROUBLESHOOTING 10 PRINTED CIRCUIT BOARD 11 BLOCK DIAGRAM 14 EXPLODED VIEW 16 EXPLODED VIEW PARTS LIST 17 REPLACEMENT PARTS LIST 18 SCHEMATIC DIAGRAM TABLE OF CONTENTS h t t p w w w w j e l n e t ...

Page 4: ...Power Consumption External Antenna Impedance Audio Output Adapter DC Power RU 17LZ20 22 18 6 15 7 7 4 15 4 DC15V 4 5A NTSC VHF 2 13 UHF 14 69 Cable 01 125 LCD Panel See the back of the set 75 Ω 5 W 5 W 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 h t t p w w w w j e l n e t ...

Page 5: ...en when the TV is turned on Stereo Indicator TV Video Button Menu Button Enter Button Volume Button Channel Button R S VIDEO VIDEO L MONO AUDIO IN 2 ANT IN 75 Ω COMPONENT 480i 480p 720p 1080i PC SOUND VIDEO IN DVD DTV IN AUDIO VIDEO PR PB Y AUDIO MONO DC IN 15V L R L R PC INPUT Headphone Jack S Video Input Video Input Audio Input DC 15V Input DVD DTV Input Component 480i 480p 720p 1080p Audio Audi...

Page 6: ...PIP POSITION PIP INPUT SIZE PIP SWAP STILL SCAN CH D D E E ENTER CH D D E E Channel button VOL F F G G Volume button POWER MTS EXIT MENU MULTIMEDIA Selects TV Component or RGB PC mode VIDEO CC FLASHBK Press the FLASHBK button to return to the last channel you were watching SLEEP AUDIO ARC TV VIDEO Selects TV Video 1 Video 2 S Video Component or RGB PC mode FCR NUMBER buttons Remote Control Key Fun...

Page 7: ...d for 15 minutes prior to adjustment Heat Run must be performed with the full white signal or TV noise signal 3 PC Input Mode Adjustment 3 1 Required Test Equipment 1 A pattern generator Gray pattern of 16 tones with angle outline in the quadrilateral MSPG 925LTH 2 An adjustment Remote 3 2 Preparation for Adjustment 1 Perform Heat Run for more than 15 minutes in white pattern 2 Connect the signal ...

Page 8: ...00 600 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 320 136 NEG 136 16...

Page 9: ... 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 h t t p w w w w j e l n e t ...

Page 10: ...uner 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 card of each ...

Page 11: ... 11 PRINTED CIRCUIT BOARD MAIN TOP h t t p w w w w j e l n e t ...

Page 12: ... 12 PRINTED CIRCUIT BOARD MAIN BOTTOM h t t p w w w w j e l n e t ...

Page 13: ... 13 PRINTED CIRCUIT BOARD CONTROL SIDE A V LED ASSY h t t p w w w w j e l n e t ...

Page 14: ... 14 BLOCK DIAGRAM h t t p w w w w j e l n e t ...

Page 15: ... 15 NOTES h t t p w w w w j e l n e t ...

Page 16: ... 16 EXPLODED VIEW 112 500 540 530 522 400 401 550 300 311 310 560 120 521 541 523 524 340 350 330 360 370 380 330 h t t p w w w w j e l n e t ...

Page 17: ...U 15LA61 ML012C ABS HF 380 370 4810V00779C BRACKET STAND RU 15LA61 ML012C ABS HF 380 BASE 380 4950V00135A METAL STAND NON BASE 15LA60 400 3809V00371K BACK COVER ASSEMBLY RU 17LZ22 NON 401 3550V00335B COVER REAR AV RU 17LZ22 ABS HF 380 500 3141VMNQ35A CHASSIS ASSEMBLY MAIN ML027C 521 4950V00168A METAL SHIELD NON NON 522 4950V00151B METAL SHIELD ET 523 3500V00067F BOARD AV RU 17LZ22 ML027C 524 4950V...

Page 18: ...807 IC808 IC888 IC901 IC915 IC950 IC951 IC954 IC955 IC804 IC805 Q104 Q107 Q201 Q202 Q203 Q2301 Q2302 Q2303 Q2304 Q2305 Q2306 Q2307 Q2308 0IZZVC0070A 0IFA754207A 0IAL242110A 0IMCRFA022A 0IAL241610B 0IIT323000E 0IIN298003A 0IMCRPW001B 0IMCRTI020A 0IMCRAL006A 0IMCRTI002A 0IMCRGN001B 0IMCRPU001A 0IMCRTI022D 0IMCRMN007A 0IMCRFA008A 0IKE704200J 0IMCRTH001A 0IMCRNS007B 0IMCRNS007D 0IMCRNS007C 0IMCRNS007C...

Page 19: ...000PF 2012 16V 10 220000PF 2012 16V 10 220000PF 2012 16V 10 1UF 2012 16V 20 100UF STD 16V M LOCA NO PART NO DESCRIPTION C634 C643 C644 C645 C650 C658 C660 C662 C665 C666 C668 C677 C682 C683 C684 C711 C730 C777 C801 C802 C803 C804 C805 C806 C815 C819 C820 C822 C823 C825 C826 C831 C832 C834 C835 C836 C837 C839 C839 C888 C888 C902 C902 C902A C923 C924 C925 C926 C927 C928 C941 0CE107DF618 0CE476DK618 ...

Page 20: ...A704 RA705 RA706 RA707 SW2007 SW2008 SW2009 SW2010 SW2011 SW2012 SW2013 SW2014 SW501 SW502 L102 L103 L1955 L1956 L1957 L1958 L2 L205 L206 L214 L215 L2201 L2202 L2206 L2207 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001D 0RRZVTA001A 0RRZVTA001D 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A ...

Page 21: ...16501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HB1S2012080JT FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 FILTER EMC HH1M3216501 F...

Page 22: ...Aug 2003 Printed in Korea P NO 3828VD0140G h t t p w w w w j e l n e t ...

Page 23: ...h t t p w w w w j e l n e t ...

Page 24: ...h t t p w w w w j e l n e t ...

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