LG LN-15A15 Service Manual Download Page 16

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REPLACEMENT PARTS LIST

LOCA. NO PART NO DESCRIPTION

Q704

Q705

Q706

Q707

Q708

Q709

Q711

Q712

Q713

Q714

Q715

Q720

Q721

Q722

Q723

Q725

Q726

Q727

Q728

Q801

Q901

Q903

Q904

D601

D602

D701

D702

D801

D802

D805

LD1

ZD101

ZD211

ZD700

C17

C20

C21

C24

C25

C60

C63

C69

C101

0TR388009BB

0TR150400BA

0TR387500AA

0TR102009AG

0TR387500AA

0DD181009AB

0DL112100AB

0DZ330009BA

0DZRM00178A

0CE107SF6DC

0CE106SF6DC

0CE107SF6DC

0CE227VF6DC

0CK224DF56A

0CE476SF6DC

0CE105VK6DC

0CE476DH618

KTC3880-Y TP KEC SOT23 CHIP

CHIP 2SA1504S(ASY) KEC

CHIP 2SC3875S(ALY) KEC

CHIP KRC102S SOT-23 TP KEC

CHIP 2SC3875S(ALY) KEC

KDS181 TP KEC - 85V - - - 300M

LED,SM3411(DL-11S2GN1) BK Y-GREEN

ZENER,HZT33(TP) HITACHI

ZENER,UDZS TE-17 5.1B ROHM R/TP SMD

100UF MVG 16V M

10UF MVG 16V 20%

100UF MVG 16V M

220UF MV 16V 20%

220000PF 2012 16V 10%

47UF MVG 16V M

1UF MV 50V 20%

47UF STD 25V 20%

LOCA. NO PART NO DESCRIPTION

IC1

IC2

IC3

IC4

IC201

IC202

IC301

IC302

IC601

IC602

IC603

IC604

IC605

IC701

IC702

IC801

IC901

IC902

IC903

IC904

IC905

IC906

IC907

IC908

IC909

IC914

IC802

IC803

IC804

IC805

IC913

Q102

Q204

Q205

Q206

Q207

Q208

Q209

Q210

Q301

Q605

Q702

Q703

0IZZVC0042F

0IAL241600B

0IFA752700A

0IMCRNS002A

0IAL242110A

0IPH740800M

0IIT323000D

0IHY100100A

0IMCRMN014A

0ISA428200A

0IKE704200J

0IMCRFA009A

0IMCRFA008A

0ISG747410A

0ITC786000A

0IMCRG2004B

0IPH806520A

0IPH743730E

0IZZVC0041A

0ISS416162C

0IPH740400G

0IAL241610A

0IMCRFA020A

0IMCRTH001A

0TFVI80001A

0TFVI80005A

0TF492509AA

0TR387500AA

0TR150400BA

0TR388009BB

M37136EFSP 52P ST ML-012A

AT24C16-10PC 8D EEPROM 16K

KA75270Z 3 TP RE-SET IC MC-007

LM1881M NATIONAL SEMICONDUCTOR

AT24C21-10SI-2.5 8P,SOP TP 1K

74F08D 14P SOIC R/TP QUAD 2-IN

VPC3230D QA B4 80P QFP TRAY SO

LGTV1001 64P QFP BK PROGRESSIV

MSP3440G QA B8 V3 MICRONAS 80

LA4282 12S 2CHX10W AUDIO AMP

KIA7042AF SOT-89 TP 4.2V VOLTA

KA78M08RTM, FAIRCHILD 2P D-PAK

KA78M05RTM, FAIRCHILD 2P D-PAK

M74HC74M1R 14P,SOP TP DUAL DTY

SI786 28SSOP TP DUAL-OUTPUT PO

JAGASM A4 SAGE 352BA

80C652 40 PLCC ST 8-BIT MICROC

74HCT373D 20SOP R/TP ADDRESS L

M27C512_10F1 DIP BK

K4S161622E-TC80 50TSOP R/TP SD

74HC04D HEX INVERTER 14P,SOP T

AT24C16N-10SI 8P SOIC ST EEPRO

RC1587DT_36 FAIRCHIL

THC63LVDM83R THINE E

FETS,VISHAY SI4808DY R/TP SO-8 30V

FETS,VISHAY SI4963DY R/TP SO-8 -20V

FET,SI4925DY TP TEMIC 30V 6.1A SO

CHIP 2SC3875S(ALY) KEC

CHIP 2SA1504S(ASY) KEC

KTC3880-Y TP KEC SOT23 CHIP

TRANSISTOR

RUN DATE : 2002.7.2

DIODE

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

CAPACITOR

Summary of Contents for LN-15A15

Page 1: ... TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 012A MODEL LN 15A15 website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...CONTENTS Contents 2 Safety Precautions 3 Servicing Precautions 4 Adjustment Instruction 6 Troubleshooting 12 Exploded View 14 Exploded View Parts List 15 Replacement Parts List 16 SVC Sheet ...

Page 3: ...c 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 metallic...

Page 4: ... are integrated circuits and some fieldeffect transistors and semicounductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electostatic charge on your body by touching a known earth ground Altern...

Page 5: ...e corresponding lead on the circuit board 4 Securely crimp each connection and solder it 5 Inspect on the circuit board copper side the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the le...

Page 6: ...nutes in white pattern 2 Connect the signal of pattern generator with LCD TV of PC Input Jack D Sub 3 3 Auto Gray Adjustment 1 Apply the gray signal of XGA 1024X768 16 tones H 31 214 Pattern V 60 84 Pattern by using 801GF Or apply the gray signal of Pattern Generator 16 11 tones by using VG819 2 Pressing ADJ Key or SVC Key of Remote Control for Adjustment adjust the Auto gay from 0 to 1 by using V...

Page 7: ... 1312 1024 288 96 POS 176 16 60 023 78 75 800 768 32 3 POS 28 1 MAC 75 1152 832 320 64 NEG 224 32 49 725 57 283 667 624 43 3 NEG 39 1 XGA 85 1376 1024 352 96 POS 208 48 68 677 84 997 808 768 40 3 POS 36 1 Mode H_Total H_Display H_Blanking H_Sync H Polarity H_Bp H_Fp H Freq KHz Clk MHz V_Total V_Display V_Blanking V_Sync V Polarity V_Bp V_Fp VGA350 70 800 640 160 96 POS 48 16 31 468 25 17 449 350 9...

Page 8: ...44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 2 3 0 1 2 3 0 1 ...

Page 9: ... 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 OPTION Data 200PR TEXT I II SV TOP A2 ST SYS 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Page 10: ... 1 SCART 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 OPTION Data 200PR TEXT I II SV TOP A2 ST SYS 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 01 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Page 11: ... 1 1 1 1 1 1 6 Option2 data ACMS BBACK 1bit LANG 3bit 7 Option3 data IIC AFT CH AU 1bit OPTION Data ACMS VOL 0 1 2 3 4 5 6 7 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 HIDEV 0 1 0 1 0 1 0 1 OPTION Data IIC AFT MD SAVE 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 MONO CH AUS 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 ...

Page 12: ... fix the components at P902 LCD module and at main board 3 Check Pin21 Cracked components and 1 Check and repair tuner board and main board soldering at tuner board 2 Solder Q102 3 Dark screen 1 Defective LCD lamp 1 Replace the inverter 2 Defective inverter 2 Replace the LCD lamp 3 Input error of inverter connector 3 Check the connector input TROUBLESHOOTING 1 General Features 2 PC Mode No Symptom...

Page 13: ...MEMO ...

Page 14: ...EXPLODED VIEW 300 120 121 P801 112 530 540 500 521 400 541 430 440 420 310 A4 410 ...

Page 15: ... 400 3809V00275J BACK COVER ASSEMBLY 410 4950V00025B METAL TITLING ASSY 420 4950V00006A METAL STAND SECC 430 4930V00103B HOLDER STAND ABS AF 303S 04431B WHITE 440 3550V00081A COVER BASE LN 15A1 500 3141VMNC22M CHASSIS ASSEMBLY MAIN ML012A 530 6871VSMA56A PCB ASSEMBLY SUB CONT ML 012A LE 15A15 540 6633VA0003K INVERTER ASSEMBLY 12VOLT VOLT ECT ALPS4LAMP 541 4814V00228A SHIELD CASE INVERTER ET C 32X2...

Page 16: ... IC901 IC902 IC903 IC904 IC905 IC906 IC907 IC908 IC909 IC914 IC802 IC803 IC804 IC805 IC913 Q3 Q5 Q102 Q204 Q205 Q206 Q207 Q208 Q209 Q210 Q301 Q605 Q702 Q703 0IZZVC0042F 0IAL241600B 0IFA752700A 0IMCRNS002A 0IAL242110A 0IPH740800M 0IIT323000D 0IHY100100A 0IMCRMN014A 0ISA428200A 0IKE704200J 0IMCRFA009A 0IMCRFA008A 0ISG747410A 0ISG747410A 0ITC786000A 0IMCRG2004B 0IPH806520A 0IPH743730E 0IZZVC0041A 0IS...

Page 17: ...LOCA NO PART NO DESCRIPTION C653 C654 C655 C801 C802 C803 C804 C805 C806 C807 C808 C814 C815 C817 C902 C904 C906 C909 C911 C915 C935 C939 C946 C970 F101 F102 JA201 JA203 JA204 JA205A JA205B JA206 L102 L802 L803 T801 R219 R220 R803 R805 RA901 RA902 RA903 RA904 0CE107DF618 0CK224DF56A 0CK224DF56A 0CE476DK618 0CE477DF618 0CE477DF618 0CE477DF618 0CE477DF618 0CE477DF618 0CE477DF618 0CE227DH618 0CE107DH...

Page 18: ...C HB 1S2012 080JT FILTER EMC HB 1S2012 080JT FILTER EMC HB 1S2012 080JT FILTER EMC HH 1M3216 501 FILTER EMC HB 1S2012 080JT FILTER EMC HB 1S2012 080JT FILTER EMC HB 1S2012 080JT FILTER EMC HB 1S2012 080JT FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HB 1S2012 080JT FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M3216 501 FILTER EMC HH 1M32...

Page 19: ...July 200 Printed in Kore P NO 3828VD0108X ...

Page 20: ......

Page 21: ......

Page 22: ...or MSP 3440 SIF_IN SC2_IN SC2_OUT SC3_IN I2S 2 18 432MHz L SPK WOOFER H P I2S 8 0V 5 0V L R TUNER TUNER ANT RF INPUT CVBS IC1 MICOM TXT CAPTION 6MHZ IC1 MICOM TXT CAPTION 6MHZ IC904 EPROM AT27C020 IC904 EPROM AT27C020 IC902 CPU 80C652 IC902 CPU 80C652 IC901 JAGASM SCALER A D Converter IC901 JAGASM SCALER A D Converter MEMORY MEMORY IC912 SIL140 IC912 SIL140 TMDS TMDS Audio AMP LA4282 12V L SPK R S...

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