LG RU-23LZ21 Service Manual Download

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LOCA. NO PART NO DESCRIPTION

C683

C684

C711

C730

C777

C800

C801

C802

C803

C804

C805

C806

C807

C813

C815

C819

C820

C822

C823

C825

C826

C830

C831

C832

C834

C835

C836

C837

C839

C840

C843

C845

C846

C847

C856

C857

C858

C859

C860

0CN475FH67A

0CE107DF618

0CE107DH618

0CE476BK618

0CE226DN618

0CE477BJ618

4.7UF 3225 25V 20% R/TP X5R

100UF STD 16V M FL TP5

100UF STD 25V M FL TP5

470UF STD 16V 20% FL TP 5

PP 630V 0.018UF J

47UF STD 50V M FL TP5

100UF STD 50V M FL TP5

4.7UF STD 50V 20% FL TP 5

470UF STD 16V 20% FL TP 5

A.C 275V 0.22UF K (S=22.5)

A.C 275V 0.47UF K (S=22.5)

220UF STD 35V M FL TP5

470UF STD 16V 20% FL TP 5

A.C 275V 0.22UF K (S=22.5)

470UF STD 16V 20% FL TP 5

100UF KMF 450V 20% FL BULK

100UF STD 10V M FL TP5

4.7UF STD 50V 20% FL TP 5

220UF STD 35V M FL TP5

10UF STD 16V M FL TP5

1UF 2012 16V 20% R/TP F(Y5V)

22UF STD 16V M FL TP5

100UF STD 25V M FL TP5

220UF STD 25V M FL TP5

220UF STD 35V M FL TP5

470UF STD 25V M FL TP5

100UF STD 50V M FL TP5

470UF STD 10V M FL TP5

220U KME 35V M FL TP5

470UF STD 10V M FL TP5

A.C 275V 0.47UF K (S=22.5)

470UF STD 16V 20% FL TP 5

MPP 0.47UF 400V 5% FM

MPE ECQ-V1H105JL3(TR), 50V 1.0UF J

470 PF 4KV K JE R FL 10

47UF KME 50V M FL TP5

22UF STD 100V M FL TP5

470UF KME TYPE 35V 20% FL TP 5

LOCA. NO PART NO DESCRIPTION

C868

C875

C883

C888

P2002

P3000

P3009

P499

P702

P704

181-007T

0CE108DH618

181-091D

0CE477DD618

387-A05K

366-932E

6631V20037G

6631V20010F

366-932C

6602V20005L

6602T11001A

MPE ECQ-V1H105JL3(TR), 50V 1.0UF J

1000UF STD 25V M FL TP5

DEHR33A102KN2A 1000PF 1KV 10%

470UF STD 10V M FL TP5

470UF STD 25V M FL TP5

470 PF 4KV K JE R FL 10

1000PF 4KV M E FMTW LEAD4.5

SL 100PF 1KV 10%,-10% R/TP TP5

470 PF 4KV K JE R FL 10

470UF STD 10V M FL TP5

100UF STD 16V M FL TP5

220UF STD 10V M FL TP5

47UF STD 16V M FL TP5

10UF STD 50V M FL TP5

100UF STD 16V M FL TP5

82000PF 2012 50V 10% R/TP X7R

100UF STD 16V M FL TP5

1UF 2012 16V 20% R/TP F(Y5V)

INDUCTOR,AXIAL LEAD 10UH K 4*10.5 TP

INDUCTOR,AXIAL LEAD 47UH K 2.3*3.4 TP

COIL,SLF12575T-330M4R7 33UH SMD

COIL,SLF12575T-150M3R2 15UH SMD

TRANSFORMER,SMPS[COIL]EER3016

TRANSFORMER,SMPS[COIL]MB3-EPC50-Z

- KSD 15P 2.29MM KCN-DS-3-0054

12P 2.0MM 100MM GIL-S GIL-T NON

2.5MM 4P GIL-G LG CABLE R/A (B TO C)

5P 2.5MM 600MM GIL-G GIL-J NON

2.5MM 6P GIL-G LG CABLE S (STICK)

7P 2.0MM 400MM (LGC)GIL-S (LGC)GIL-T

8P 2.0MM 350MM (LGC)GIL-S (LGC)GIL-T

2.5MM 4P GIL-G LG CABLE S (STICK)

2.0MM 12P GIL-S LG CABLE STRAIGHT

FI-TWE21P-VF JAE 21P 1.25MM S/T

REPLACEMENT PARTS LIST

COIL & TRANSFORMER

CONNECTOR

http://www.wjel.net

Summary of Contents for RU-23LZ21

Page 1: ...CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 027C MODEL RU 23LZ21 website http biz LGservice com e mail http www LGEservice com techsup html Oct 2003 Printed in Korea P NO 3828VD0140K MONO DPM STEREO ST DUAL h t t p w w w w j e l n e t ...

Page 2: ... are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any e...

Page 3: ...F CONTROLS 5 ADJUSTMENT INSTRUCTIONS 7 TROUBLESHOOTING 10 PRINTED CIRCUIT BOARD 11 BLOCK DIAGRAM 15 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: ... 4 SPECIFICATIONS h t t p w w w w j e l n e t ...

Page 5: ... Standby mode Glows green when the TV is turned on Stereo Indicator Headphone Jack S Video Input Video Input Audio Input AC Input DVD DTV Input Component 480i 480p 720p 1080i Audio Audio Video Input PC Sound Input PC Input Antenna Input Channel Buttons Volume Buttons ch vol menu enter on off tv video I Enter Button Menu Button TV Video Button On Off Button h t t p w w w w j e l n e t ...

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: ...nents and Check 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 1 Resettig needed according to the ...

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 POWER h t t p w w w w j e l n e t ...

Page 14: ... 14 PRINTED CIRCUIT BOARD CONTROL LED SIDE AV h t t p w w w w j e l n e t ...

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

Page 16: ... 16 EXPLODED VIEW 250 112 520 550 500 320 210 220 310 400 430 230 240 530 560 300 120 120 340 350 330 360 370 380 330 h t t p w w w w j e l n e t ...

Page 17: ...67C BRACKET STAND RU 20LA61 NON ABS HF 380 HINGE FRONT 350 4810V00768C BRACKET STAND RU 20LA61 NON ABS HF 380 HINGE REAR 360 4810V00766C BRACKET STAND RU 20LA61 NON ABS HF 380 DECO 370 4810V00769C BRACKET STAND RU 20LA61 NON ABS HF 380 BASE 380 4950V00133A METAL STAND NON BASE 20LA60 400 3809V00359J BACK COVER ASSEMBLY RU 23LZ21 NON 430 3500V00068B BOARD AV RU 23LZ21 ML027C 520 6871VMMQ43A PWB PCB...

Page 18: ...40 TP 40V 3A 80A 2MA EU1ZV 1 TP SANKEN EU1ZV 1 TP SANKEN EU1ZV 1 TP SANKEN EU1ZV 1 TP SANKEN EU1ZV 1 TP SANKEN TVR06J DO41 600V 0 6A TVR06J DO41 600V 0 6A YG805C06R 60V 20A 80A SEC 15MA FML 24S 400V 10A 70A 40NSEC 0 1MA LOCA NO PART NO DESCRIPTION IC2 IC201 IC202 IC3 IC301 IC401 IC501 IC502 IC503 IC504 IC510 IC555 IC600 IC601 IC603 IC604 IC701 IC702 IC801 IC803 IC804 IC805 IC806 IC807 IC808 IC888 ...

Page 19: ...20000PF 2012 16V 10 R TP X7R 220000PF 2012 16V 10 R TP X7R 1UF STD 50V M FL TP5 220000PF 2012 16V 10 R TP X7R LOCA NO PART NO DESCRIPTION C316 C328 C332 C333 C336 C337 C338 C341 C343 C347 C349 C351 C353 C546 C583 C584 C585 C59 C6 C60 C603 C61 C613 C615 C616 C617 C619 C62 C620 C621 C622 C624 C626 C627 C628 C63 C630 C634 C643 C644 C645 C650 C658 C660 C662 C665 C666 C668 C677 C682 0CE107DD618 0CE106D...

Page 20: ...5 470UF KME TYPE 35V 20 FL TP 5 470UF KME TYPE 35V 20 FL TP 5 LOCA NO PART NO DESCRIPTION C868 C875 C883 C888 C888 C890 C891 C892 C894 C898 C899 C902 C902 C902A C923 C924 C925 C926 C927 C928 C941 C942 C956 C962 C991 L101 L2105 L2106 L652 L653 L654 L655 L801 L805 L805 T30 JA202 P2000 P2001 P2002 P3 P3000 P3009 P499 P702 P704 181 007T 0CE108DH618 181 091D 0CE477DD618 0CE477DH618 181 120P 181 120P 18...

Page 21: ...16 W 1608 5 R TP 4P E24 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 MNR 14 E0A J 101 R OHM 100 OHM 5 LOCA NO PART NO DESCRIPTION RA705 RA706 RA707 F801 F801 F802 F803 F805 F805 JA2000 JA204 JA205 JA206 SJ205 SJ209 SW1 SW2 SW3 SW4 SW5 SW501 SW502 SW6 SW7 SW8 FB801 L102 L103 L1955 L1956 L1957 L1958 L205 L206 L2100 L2101 L2105 L2106 L2107 L2108 L...

Page 22: ...3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HH 1M3216 501 3216MM R TP HB 1S2012 080JT 2012MM CHIP BEAD HH 1M3216 501 3216MM R TP FERRITE BFD3565R2F TAPING OR 14 7 7 5H SMC BK 6 0 11 0MH 0 55PHY OR 14 7 7 5H SMC BK 6 0 11 0MH 0 55PHY OR 14 7 7 5H SMC BK 6 0 11 0MH 0 55PHY HH 1...

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