LG 21FX4 AG Service Manual Download

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REPLACEMENT PARTS LIST

LOCA. NO PART NO DESCRIPTION

D801

D802

D803

D813

D815

D824

D826

D901

D902

DB801

ZD102

ZD103

ZD412

ZD601

ZD801

ZD802

ZD804

ZD851

C103

C104

C105

C106

C107

C108

C109

C11

C110

C111

C115

C116

C12

C1203

C1205

C1226

C1227

C132

C14

C15

C16

C17

C19

C210

C211

C212

C225

C226

C242

0DR100009FA

0DD300009AC

0DD060009AC

0DRTW00141A

0DD300009AC

0DR140039AC

0DSGF00019A

0DRTW00131A

0DZ510009DB

0DZ300009AG

0DZ910009AJ

0DZ510009DB

0DZ620009AH

0DZ510009DB

0DZ620009AH

0CE106DK618

0CN1030F679

0CN1020K519

0CE337DD618

0CE225DK618

0CC1800K415

0CE225DK618

0CE476DF618

0CN1030F679

0CC1800K415

0CN4710K519

0CE107DD618

0CE107DF618

0CE227DD618

0CE334DK618

0CE225DK618

0CQ3331N509

0CN1010K519

181-007C

181-007H

0CN2230H949

0CE106DF618

EU1DGR TP DO41 200V 1.0A 30A 50NSEC 10UA

RU3AMV(1) TP R-TMD 600V 1.5A 50A 0.4US

TVR06J TP - 600V 250NSEC

SFAF504G ST ITO220 200V 5A .A .SEC 10UA

RU3AMV(1) TP R-TMD 600V 1.5A 50A 0.4US

1N4003E TP A405 200V 1A

1N4148 DO35 100V 0.15A 2A 4NSSEC 25UA

D2SB60 ST GBL 600V 1.5A .A .SEC 10UA

MTZJ5.1B TP ROHM-K DO34 - 5.1V 5UA

GDZJ30B TP GRANDE DO34 0.5W 30.0V

MTZJ9.1B TP ROHM-K DO34 0.5W 9.1V 5UA

MTZJ5.1B TP ROHM-K DO34 - 5.1V 5UA

MTZJ6.2A TP ROHM-K DO34 0.5W 6.2V 150UA

MTZJ5.1B TP ROHM-K DO34 - 5.1V 5UA

MTZJ6.2A TP ROHM-K DO34 0.5W 6.2V 150UA

10UF STD 50V 20% FL TP 5

10000PF D 16V 20% X5R TA52

1000PF D 50V 10% B(Y5P) TA52

330UF STD 10V 20% FL TP 5

2.2UF STD 50V 20% FL TP 5

18PF D 50V 5% NP0 TR

2.2UF STD 50V 20% FL TP 5

47UF STD 16V 20% FL TP 5

10000PF D 16V 20% X5R TA52

18PF D 50V 5% NP0 TR

470PF D 50V 10% B(Y5P) TA52

100UF STD 10V 20% FL TP 5

100UF STD 16V 20% FL TP 5

220UF STD 10V 20% FL TP 5

0.33UF STD 50V 20% FL TP 5

2.2UF STD 50V 20% FL TP 5

0.033UF D 100V 10% PE TP5

100PF D 50V 10% B(Y5P) TA52

MPE ECQ-V1H104JL3(TR), 50V 0.1UF

MPE ECQ-V1H474JL3(TR), 50V 0.47UF

22000PF D 25V 80%,-20% F(Y5V) TA52

10UF STD 16V 20% FL TP 5

LOCA. NO PART NO DESCRIPTION

IC02

IC301

IC501

IC601

IC661

IC751

IC801

IC802

IC803

IC804

IC805

Q10

Q101

Q102

Q111

Q16

Q241

Q301

Q401

Q402

Q403

Q502

Q601

Q671

Q672

Q801

Q813

Q901

Q902

Q903

D111

D301

D302

D303

D403

D405

D501

D502

D505

D601

D602

D603

D604

0IMMR00010A

0IPRPSA006B

692792013AA

0IPMGSA024C

0IPRP00581A

0IPRPSA018A

0IPMGSK016B

0IPRPKD003A

0IKE780500Q

0IMCRKE002B

0ISK110000A

0TR319809AA

0TR319709AB

0TR319809AA

0TR102009AB

0TR126609AA

0TR103009AD

0TR322809AA

0TRSA10004A

0TR421009CC

0TR319809AA

0TR126609AA

0TRKE50001A

0TR102009AB

0TR319809AA

0TR102009AB

0TR233009CA

0DSVH00019A

0DD060009AC

0DD400509AA

0DSGF00019A

0DD060009AC

0DSGF00019A

24LC16B-I/PG(LEAD FREE) MICRO

LA78040N SANYO 7Z BK 1.5A VERT. OUT

SOFT WARE, 3.01V 8510 CTV MC059B

LA42152LG-E SANYO SIP 12P ST 15W

STV8216D,LF STM SDIP56 STICK TV AUDIO

LA7958N-E SANYO DIP/22P ST A/V

STR-W6754 7PIN T0220F ST

PC17L1 4P/DIP ST PHOTO COUPLER

KIA7805API 3P TO-220 ST REGULATOR 5V

KIA78R09API KEC 4P TO-220IS ST 9V/1A

SE110N(LF12) 3P 110V ERROR AMP

KTC3198(KTC1815) KEC TP TO92 50V 150MA

KTC3197 TP KEC TO92 NPN

KTC3198(KTC1815) KEC TP TO92 50V 150MA

KRC102M,TP(KRC1202),KEC

KTA1266-Y(KTA1015) TP KEC TO92 PNP

KRC103M(AT) TO-92M TP KEC

KTC3228-0 TP(KTC2383),KEC

TT2170LS-YB11 ST TO-220FM 1500V 5A

BF421(PNP) TP TO92 VCBO -300V

KTC3198(KTC1815) KEC TP TO92 50V 150MA

KTA1266-Y(KTA1015) TP KEC TO92 PNP

BC327-25 KEC TAPING TO92 -50V -800A

KRC102M,TP(KRC1202),KEC

KTC3198(KTC1815) KEC TP TO92 50V 150MA

KRC102M,TP(KRC1202),KEC

KSC2330-Y TP SAMSUNG TO-92L -

BA282 VISHAY TP DO35 35V 100MMA 350A

TVR06J TP - 600V 250NSEC -

1N4005 TP KEC DO204AL 600V 1A 30A - 5UA

1N4148 DO35 100V 0.15A 2A 4NSSEC 25UA

TVR06J TP - 600V 250NSEC

1N4148 DO35 100V 0.15A 2A 4NSSEC 25UA

For Capacitor & Resistors, the
charactors at 2nd and 3rd digit
in the P/No. means as follows;

CC, CX, CK, CN : Ceramic
CQ : Polyestor
CE : Electrolytic

RD : Carbon Film
RS : Metal Oxide Film
RN : Metal Film
RF : Fusible

TRANSISTOR

DIODE

CAPACITOR

LGE Internal Use Only

Summary of Contents for 21FX4 AG

Page 1: ...CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 059B MODEL 21FX4AG AGE AGS AL MODEL 21FX4AG AGE AGS AL TH website http biz LGservice com e mail http www LGEservice com techsup html Oct 2007 Printed in China P NO 3828VD0235Q Internal Use Only ...

Page 2: ...ECIFICATIONS 7 ADJUSTMENT 9 PRINTED CIRCUIT BOARD 14 TROUBLE SHOOTING 16 BLOCK DIAGRAM 20 EXPLODED VIEW 22 EXPLODED VIEW PARTS LIST 23 REPLACEMENT PARTS LIST 24 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 3: ...ic parts of the cabinet such as antennas terminals etc 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 position connect one lead of ohm meter to the AC plug prongs tied together and touch o...

Page 4: ... D E Programme Up Down selects a programme or a menu item switches the set on from standby scans programmes automatically F G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 6 Q VIEW returns to the previously viewed programme 7 PSM Picture Status Memory recalls your preferred picture setting 8 FAVOURITE selects a favorite programme 9 T...

Page 5: ...ound Status Memory option recalls your preferred sound setting 16 SURROUND º º option selects surround sound No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit POWER MUTE 1 2 3 4 5 6 7 8 9 MENU INDEX TV AV 0 EYE Q VIEW LIST I II PR PR OK VOL VOL PSM SSM SLEEP PICTURE SOUND TURBO FAVOURITE TV 10 11 12 13 14 16 15 Copyright 2007 LG Electronics Inc...

Page 6: ...ut sockets of external equipment to these sockets 7 HEADPHONE SOCKET option Connect the headphone plug to this socket 8 EYE option adjusts picture according to the sur rounding conditions 9 TV AV option selects TV or AV mode clears the menu from the screen switches the set on from standby 10 Function option selects volume EYE option picture items or brief auto programme while the menus not display...

Page 7: ...e adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification CCC Safety IEC60065 7 A General specification SPECIFICATIONS Note Specification and others are subject to change without notice for improvement Item Receiving System Available Channel Input Voltage Market Screen Size Aspect Ratio Display Method Tuning System Operating Environment Storage Environment...

Page 8: ...cture Sound LG Code NEC System Storage Normal Turbo Storage System Channel Fine Search Name Copy Move Delete Skip 8 Channel Dynamic Standard Mild Game User Contrast Brightness Color Sharpness Tint NTSC M Only Flat Music Movie Speech User 0 100 100 400 1K 4K 10K Off On Pr 1 VOL 30 Off On On Off English Russia English Indonesia Thai Vietnam TV AV1 AV2 On Off Remark Rear1 Front1 CVBS L R Rear 7EA Fro...

Page 9: ...n adjustment mode 3 Adjust the Screen Vol of FBT to appear Horizontal Line and adjust the Screen Vol of FBT at disappear point Horizontal Line Press the Enter A key to exit SVC mode 5 Purity and Convergence Adjustment 5 1 Purity Adjustment 1 Adjustment Preparation 1 Receive Red Raster Pattern for purity adjustment 2 Demagnetize the CPT and Cabinet with a degaussing coil 2 Horizontal Line Adjustmen...

Page 10: ... VP7 and Y data with B DRIVE VP9 to have the color temperature as shown below c Make the picture luminance 4 5Ft L by changing the CONTRAST and BRIGHTNESS d Adjust X data of low light with R BIAS VP4 and Y data with B BIAS VP6 to have the color temperature as shown below e Repeat steps a d until both low and high light have same readings as shown below f Check the adjusted color coordinates with w...

Page 11: ...D MUTE GAME OPTION2 TURBO ARC 200PR BLUEBACK TURBO AT HOTEL SHARP DVDN OPTION3 FM TRANS FM HIGH NTSC AV PSEU SYNC KI A2 SW LNA SWOOFER OPTION 4 SYSTEM SND MODE AV LOC KEY COLOR T PLL DIV MTS LEV OPTION 5 FM PRE NICAM PRE SCART PRE A2 FM TH FIRST TH ZWT TH INITIAL 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 1 0 0 1 1 1 0 0 0 4 1 2 1 1 31 22 6 13 0 5 15 2 REMARK DVD function 1 Yes 0 No T P T S function in MENU Di...

Page 12: ...e shoot Adjustment Over shoot Adjustment Y Gamma start point Select DC Restoration Select Black Stretch Start Point Select Black Stretch Gain Select C Bypass C Kill On C Kill Off Color Killer Operational Point R B Gain Balance R B Angle B Y DC Level R Y DC Level Video Level OVER MOD SW OVER MOD LEVEL Tint Through Range 0 63 0 31 0 15 0 127 0 255 0 255 0 255 0 127 0 15 0 127 0 31 0 31 0 7 0 7 0 7 0...

Page 13: ...f sync sepalation G Y Amplitude Color on off on Half tone Mode Overmodulation circit Type APC Offset current IF video level offset 5 74MHz FM Det IF VCO freerun frequency Equalizer Bell filter Equalizer circuit Bell filter adjust SECAM Killer circuit disable SECAM Killer circuit enable OSD Contrast OSD Position Range 0 3 0 3 0 3 0 3 0 3 0 3 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 3 0 3 0 1 0 1 0 1 0 1 0...

Page 16: ...s In case of influx NOISE R C is not operate Maneuver defectiveness 1 TV FUNCTIONAL 2 TU IF SECTION 3 VIDEO PROCESSING TROUBLE SHOOTING Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 22: ... EXPLODED VIEW 112 913 170 150 153 943 400 P801 520 300 600 120 310 320 330 510 700 option Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 23: ...TTON POWER RN 21FX40 ABS HF 380 1KEY 5020V01121A Button MOLD ABS POWER 21FX4 ABS NON LGESY LOCAL 400 3809900123B BACK COVER ASSEMBLY 21FX4RG TB DVD 1PHONE IN LOCAL 3809V00539F BACK COVER ASSEMBLY DVD 1PHONE HIPS 51SF BK SY N ALLIED 3809V00615A D F Cover Assembly 21FX5 DVD 1PHONE SY LOCAL 510 6871VSN901D PWB PCB ASSEMBLY SUB M I MC059A LGEIN SVC CPT BOARD 15 17 20 21 520 68719MM156D PWB PCB ASSEMBL...

Page 24: ...ION IC02 IC301 IC501 IC601 IC661 IC751 IC801 IC802 IC803 IC804 IC805 Q10 Q101 Q102 Q111 Q16 Q241 Q301 Q401 Q402 Q403 Q502 Q601 Q671 Q672 Q801 Q813 Q901 Q902 Q903 D111 D301 D302 D303 D403 D405 D501 D502 D505 D601 D602 D603 D604 0IMMR00010A 0IPRPSA006B 692792013AA 0IPMGSA024C 0IPRP00581A 0IPRPSA018A 0IPMGSK016B 0IPRPKD003A 0IKE780500Q 0IMCRKE002B 0ISK110000A 0TR319809AA 0TR319709AB 0TR319809AA 0TR10...

Page 25: ...C545 C550 C56 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C653 C654 C655 C656 C657 C658 C659 C660 C662 C663 C664 C665 C667 C668 C670 C671 C673 C675 C676 C678 C680 C681 C682 C685 C687 0CE225DK618 0CE474DK618 0CN1040K949 0CQ4731N509 0CN1030F679 0CN1030F679 0CE105DK618 0CN1010K519 0CN1010K519 0CE475DR618 0CQ1831N509 0CK2230K945 0CX4700K409 0CN4710K519 0CE337DH618 0CE475DK618 0CQ2...

Page 26: ...RIPTION L401 L402 L501 L663 L664 L665 L802 T403 T803 C1 C2 C3 C4 C5 P101 P1203A P1206A P601 P602 C221 C222 C233 C234 C286 C287 FR301 FR401 FR403 FR501 FR825 J511 L212 L280 L281 R1 R101 R102 R103 R104 R105 R108 R109 R110 R111 R112 R113 R1221 R1222 150 L01R 6140VB0001F 0LA0122K119 0LA0102K119 0LA0102K119 0LA0102K119 150 C02F 151 C02B 6170VMCA13X 366 036B 387 603E 387 917J 6631V25014H 6631V25034H 366...

Page 27: ... R510 R512 R513 R514 R515 R516 R519 R521 R522 R523 R524 R525 R526 R527 R529 R530 R530 R531 R531 R532 R534 R536 R537 R547 R550 R552 R553 R554 R555 R556 R561 R562 R563 R564 R565 R566 R58 R601 R602 R603 R604 R605 R607 R609 R610 R611 R612 R613 0RD1000F609 0RD1000F609 0RD3901F609 0RD3901F609 0RD3901F609 0RN4701F409 0RD1200F609 0RD1000F609 0RD0102F609 0RD1000F609 0RD1202F609 0RD7501F609 0RD2402F609 0RD2...

Page 28: ...1 2 W 7 0 5 00 TA52 1 5K OHM 1 2 W 7 0 5 00 TA52 1 5K OHM 1 2 W 7 0 5 00 TA52 LOCA NO PART NO DESCRIPTION R921 R922 R922 R923 ZD505 SW11 SW12 SW13 SW14 SW15 SW16 SW801 FB801 L804 T802 X1 X501 X661 Z111 Z601 JA01 JA1201 JA1202 P201 P401 P610 P801 P802 P901 A1 A2 A3 B1 0RD1000F609 0RD4300F609 0RD4300F609 0RS1802K607 0RD1004F609 140 315A 140 315A 140 315A 140 315A 140 315A 140 315A 6600VM1001A 125 02...

Page 29: ... FUSE 4000MA 250 V 5 2X20 LED LITEON LTL 4223 BK RED 19MCD SOCKET CIRC CPT PCS030A 8PIN 14 360 FBT BSC25 N0352 21 THERMISTOR PTC J502P84D140M290Q THERMISTOR NTC KL15L040 40OHM 15 2900K TUNER TAEW G013D LGIT MULTI FS VARISTOR SVC621D 14A ILJIN 620V 0 BOX DWR2 676 524 503 2 COLOR 21FX4 LOCA NO PART NO DESCRIPTION Copyright 2007 LG Electronics Inc All right reserved Only for training and service purp...

Page 31: ...SVC SHEET 3854V A0196B S ...

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