LG RE-44SZ20RD Service Manual Download

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LOCA. NO PART NO DESCRIPTION

IC842

IC843

IC851

Q111

Q112

IC202

IC203

Q101

Q103

Q105

Q106

Q107

Q108

Q109

Q110

Q111

Q112

Q113

Q114

Q115

Q116

Q1601

Q201

Q202

Q203

Q204

Q205

Q206

Q207

Q208

Q209

Q210

Q213

Q301

Q302

Q304

Q400

Q510

Q511

0ISH122100B

0ILI817000G

0IFA270000A

0TR830009BA

0TR387500AA

0TR150400BA

0TR387500AA

0TR830009BA

0TR150400BA

0TR387500AA

0TR150400BA

0TR387500AA

0TFFC80016A

0TR387500AA

IC,PQ12RD21 4SIP ST REGULATOR

IC,LTV817M-VB 4P,DIP BK PHOTO COU

IC,2N7000TA TO-92, 3P TP LEVEL SHIFT 60V/0.2A

TR,BSS83 TP PHILIPS NON N-CHANNEL S/W

TR,CHIP 2SC3875S(ALY) KEC

TR,CHIP 2SA1504S(ASY) KEC

TR,CHIP 2SC3875S(ALY) KEC

TR,BSS83 TP PHILIPS NON N-CHANNEL S/W

TR,CHIP 2SA1504S(ASY) KEC

TR,CHIP 2SC3875S(ALY) KEC

TR,CHIP 2SA1504S(ASY) KEC

TR,CHIP 2SC3875S(ALY) KEC

TR,FAIRCHILD FQT13N06 R/TP SOT223 60V 2.8A

TR,CHIP 2SC3875S(ALY) KEC

LOCA. NO PART NO DESCRIPTION

IC1

IC102

IC104

IC1601

IC2

IC208

IC301

IC302

IC303

IC304

IC305

IC307

IC320

IC4

IC401

IC402

IC403

IC404

IC405

IC406

IC407

IC408

IC409

IC410

IC411

IC412

IC413

IC414

IC415

IC5

IC502

IC6

IC601

IC602

IC7

IC811

IC821

IC831

IC841

0ISM555000A

0IIT323000E

0ISA428200A

0ISS610082A

0ISO206900A

0ISO211900A

0ICTMLG003C

0ITI740000Q

0ISS464323A

0IMCRIC001A

0IPH741400E

0IMCRAL006A

0ISH302122A

0ICTMMI038B

0IFA752700A

0ISH302122A

0IMCRSG010A

0ISH052100C

0IMCRTI019A

0ISH122100B

0IMP242560A

0IKE780500Q

0IMCRET002B

0ISG111725B

0IPH741400E

0ISG111733B

0ISH052100C

0IKE780500Q

0IKE780800J

0IKE780900E

0IKE780900M

0ISH302122A

0ITK118100A

0IMX811000A

0IZZVA0070A

0IMI623200B

0IIT341120B

0IFA753307A

0IMI623200B

0IMCRON002A

0ISK666813A

0ISK615311B

0ILI817000G

IC,SDA5550 MQFP100 BK MICOM TXT

IC,VPC3230D C5 80P QFP TRAY VIDEO PROCESSOR

IC,LA4282 12S 2CHX10W AUDIO AMP

IC,K6T1008V2E-TB(F)70 [K6T1008BLT-7L]

IC,CXA2069Q QFP64 BK I2C BUS AV S/W

IC,CXA2119M 28P,SOP TP VIDEO SWITCHING

IC,LGDT1502M LG IC 304P QFP TRAY READY-2

IC,SN74LVC00AD 14SOP R/TP LOGIC D-TV

IC,K4S643232E(C)-TC/L60(70) 86P-TSOP(II) ,64SDRAM

IC,ICS570 INTEGRATED CIRCUIT SYSTEMS 8PIN SOIC R/TP

IC,74HC14D 14SOP TP SHITTER TRIGGER

IC,AT24C16AN-10SI-2.7 ATMEL 8P SOIC R/TP EEPROM

IC,PQ30RV21 TO-220

IC,COPY M306V3FGFP 100P QFP TRAY SINGLE 16BIT

IC,KA75270Z 3 TP RE-SET IC MC-007

IC,PQ30RV21 TO-220

IC,ST3232CDR SGS-THOMSON SOP16 R/TP RS232

IC,PQ05RD21 4SIP ST REGULATOR

IC,TFP410 64P TQFP TRAY TRANSMITTER PANEL BUS 165MHZ

IC,PQ12RD21 4SIP ST REGULATOR

IC,24LC256-I/SM 8P,SOP TP 256K II

IC,KIA7805API 3P TO-220 ST REGULATOR 5V

IC,EL2250CS ELANTEC 8P R/TP OP AMP

IC,LD1117V25 3 SIP ST REGULATOR

IC,74HC14D 14SOP TP SHITTER TRIGGER

IC,LD1117V33C 3SIP ST REGULATOR

IC,PQ05RD21 4SIP ST REGULATOR

IC,KIA7805API 3P TO-220 ST REGULATOR 5V

IC,KIA7808API 3 ST REGULATOR .

IC,KIA7809PI 3P(TO-220IS)1A,9V

IC,KIA7809API TO220 ST 3P 9V REGULATOR

IC,PQ30RV21 TO-220

IC,TK1181M 6SOP R/TP DC-DC CONVERTER 61W

IC,MAX811REUT-T 128QFP BK RESET

IC,M27W201 32PIN ST EPROM+LABEL

IC,M62320FP,I/O EXPANDER 16P SOP TP

IC,MSP3411G QA A2 64P QFP BK DOLBY VIRTUAL SOUND PRO

IC,KA75330ZTA(KA7533ZTA) 3P,TO-92 TP 3.3V RESET IC

IC,M62320FP,I/O EXPANDER 16P SOP TP

IC,MC33262P ON SEMI 8P DIP ST POWER FACTOR CON

IC,STR-F6668B(LF1352) 5PIN BK STR FD-60X3R

IC,STR-G6153T(LF1101) 5PIN BK STR

IC,LTV817M-VB 4P,DIP BK PHOTO COU

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TRANSISTOR

REPLACEMENT PARTS LIST

Summary of Contents for RE-44SZ20RD

Page 1: ... VOL PR ON OFF AV4 DLP Projection TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MB 02JA MODEL RE RL 44SZ20RD website http biz LGservice com e mail http www LGEservice com techsup html ...

Page 2: ...FETY PRECAUTIONS 3 SERVICING PRECAUTIONS 4 CONTROL DESCRIPTIONS 6 REPLACINIG LAMP 10 SPECIFICATIONS 11 ADJUSTMENT INSTRUCTIONS 12 BLOCK DIAGRAM 13 EXPLODED VIEW 18 EXPLODED VIEW PARTS LIST 19 REPLACEMENT PARTS LIST 20 SVC SHEET ...

Page 3: ...perform an AC leakage current check on the exposed metallic 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 positioin connect one lead of...

Page 4: ...s 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 Alter...

Page 5: ...the 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 ...

Page 6: ...picture size STILL freezes motion of the sub picture POSITION relocates the sub picture in clockwise direction 5 MENU selects a menu 6 D D E E Program Up Down selects a program or a menu item switches the set on from standby F F G G Volume Up Down adjusts the volume adjusts menu settings OK accepts your selection or displays the current mode 7 NUMBER BUTTONS switches the set on from standby or dir...

Page 7: ...eletext function Battery installation The remote control handset is powered by two AAA type batteries To load the batteries turn the remote control handset over and open the battery compartment Install two batteries as indicated by the polarity symbols and marked inside the compartment Note To avoid damage from possible battery leakage remove the batteries if you do not plan to use the remote cont...

Page 8: ...p 7 10 REMOTE CONTROL SENSOR Refer to p 7 11 AUDIO VIDEO IN SOCKETS AV4 Connect the audio video out sockets of exter nal equipment to these sockets S VIDEO AUDIO IN SOCKETS S VIDEO Connect the S VIDEO out socket of an VCR to the S VIDEO socket Connect the audio out sockets of the VCR to the audio sockets as in AV4 Front panel VIDEO S VIDEO L MONO R AUDIO TV AV MENU OK VOL PR ON OFF AV4 ON OFF VIDE...

Page 9: ...S EURO SCART SOCKETS Off Power cord is not connected Red Power Cord is connected unit is on standby Green On Orange flashing Preparing operation in standby Orange Projection lamp is reaching the end of its life and needs to be replaced with a new lamp Green flashing The lamp cover is not closed Orange The projector is overheating Red The projector shut down due to overheating Red flashing The proj...

Page 10: ... 1 hour 2 Remove the two retainging screws on the lamp cover with a screwdriver of Ò Ò type and then lift off the lamp cover refer to fig 1 3 After lifting the lamp cover off remove the two retaining screw on lamp case with screwdriver of Ò Ò type refer to fig 2 4 Pull out the handle slowly and remove the lamp refer to fig 3 5 Insert the new lamp gently into the correct position Make sure it is in...

Page 11: ...er consumption 230W O STAND BY 3W O Tuning system FVS 100 Programme memory O Voice coil impedance 8 ohm O Sound output 10W 10W O External connection Front AV4 S Video Rear Full Scart AV1 Half Scart AV2 S Video 2 Half Scart AV3 Hi Fi Out RF in RS232C Up Grade Port O Feature Teletext TOP FLOP LIST Srereo Dual Sound NICAM FM SSC Split Screen Mode Multi Picture Display Mode Progressive Scan Double Win...

Page 12: ...stment knob 2 TV set receives the PAL B G Digital pattern 3 Adjustment Sequence 1 Stick the engine to the knob poll for adjustment and check the key stone tilt watching TV screen 2 Rotate left right adjustment knob below and adjust engine angle 3 Adjustment adjustment knob of both sides so that the tilt and keystone are to be under the spec 4 After adjusting like 3 fix the engine with screw for fi...

Page 13: ...283 0 01 Y 0 297 0 01 3 Adjustment Sequence 1 Install the CA110 at 20cm distance from the center of screen 2 Enter the ADJ mode of the remote control for adjustment 3 Enter the 3 White Balance again 4 Fix the Gain value to B 100 and change the R G value and then adjust the white balance 13 ...

Page 14: ... 14 BLOCK DIAGRAM 1 DLP Block ...

Page 15: ... 15 2 DLP Driver Block ...

Page 16: ... 16 EU CHINA 3 Digital Board Block ...

Page 17: ... 17 4 SMPS Block ...

Page 18: ...ED VIEW 430 410 300 304 301 302 306 307 520 530 503 550 501 309 308 311 660 560 561 431 420 440 450 540 541 670 621 620 610 653 650 654 651 652 600 601 590 580 330 320 310 570 502 640 630 303 120 121 312 313 305 ...

Page 19: ... T1 6 BACK COVER SECC CENTER PRESS MOLD RE 44SZ20RD 440 3550V00269A COVER LAMP FAN RE 44SZ20RD PC ABS 450 3550V00256A COVER LAMP RE 44SZ20 HIPS 60HR CHANGE 501 3210V00127B FRAME CHASSIS NON RE 44SZ20 NON 502 4930V00232B HOLDER SUPPORTER 40AF RE 44SZ20RD 503 4811V00030A BRACKET ASSEMBLY AV RE 44SZ20RD MB02JA REAR 520 6871VMMB13C PWB ASSEMBLY MAIN MB02JA BOTTOM M I ASSY 530 6871VSMB67A PWB ASSEMBLY ...

Page 20: ...4 IC404 IC405 IC405 IC406 IC406 IC407 IC407 IC408 IC409 IC410 IC411 IC412 IC413 IC414 IC415 IC5 IC502 IC6 IC601 IC602 IC7 IC811 IC821 IC831 IC841 0ISM555000A 0IIT323000E 0IIT323000E 0ISA428200A 0ISS610082A 0ISO206900A 0ISO211900A 0ICTMLG003C 0ITI740000Q 0ITI740000Q 0ISS464323A 0ISS464323A 0IMCRIC001A 0IPH741400E 0IMCRAL006A 0ISH302122A 0ICTMMI038B 0IFA752700A 0ISH302122A 0ISH302122A 0IMCRSG010A 0I...

Page 21: ...ZD2K ZD401 ZD4K ZD5K ZD601 ZD602 ZD603 ZD604 ZD6K ZD7K ZD841 ZD855 ZD8K ZD9K C1 C10 C101 C102 C104 C104 C105 C106 C11 C117 C120 C124 C125 C126 C127 C139 C147 C148 C158 C1601 C1602 0DD100009AP 0DD100009AP 0DD414809ED 0DD220000AC 0DD420000BB 0DD100009AP 0DR260001AA 0DR260001AA 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DZRM00178A 0DR190309AA 0DZRM00178A 0DZR...

Page 22: ...CA NO PART NO DESCRIPTION C215 C216 C216 C217 C219 C220 C221 C224 C225 C226 C227 C232 C233 C234 C235 C236 C237 C238 C240 C249 C260 C261 C262 C27 C270 C271 C272 C277 C290 C3 C301 C302 C312 C314 C315 C316 C32 C359 C362 C371 C372 C4 C401 C402 C403 C403 C404 C405 C406 C407 C408 C409 0CK224DF56A 0CK105DF64A 0CK224DF56A 0CK224DF56A 0CK105DF64A 0CK105DF64A 0CK105DF64A 0CE476SF6DC 0CK105DF64A 0CK105DF64A ...

Page 23: ...A C 275V 0 22UF K S 22 5 LOCA NO PART NO DESCRIPTION C810 C811 C812 C816 C818 C819 C821 C822 C823 C824 C825 C826 C831 C832 C833 C836 C839 C841 C842 C843 C844 C845 C846 C851 C852 C853 C854 C855 C861 C862 C863 C872 C873 C892 C893 C895 C898 C899 C9 JA1K JA201 JA202 P101B P102B P401B P402B P403 L302 0CF1050W470 181 091Q 0CK1020K945 0CE107BK618 181 007J 0CQ1031N509 181 001K 181 091R 181 091R 0CE476BK61...

Page 24: ...OR 2 36PAI 1P K M AUTO LOCA NO PART NO DESCRIPTION P806A P806B P811 P811 P826A P826B P841A P851 P890A AR100 AR101 AR102 AR103 AR104 AR105 AR106 AR301 AR302 AR303 AR304 AR305 AR306 FB861 FB861 FB871 FB871 FB891 FB891 FR831 R104 R1606 R1609 R1615 R1616 R401 R401 R402 R407 R408 R409 R411 R411 R425 R426 R68 R801 R802 R803 R804 R805 366 009D 366 009D 6602V39002A 6631V00004J 366 009D 366 009D 366 932E 3...

Page 25: ...0QJ3001A 6200VJT006A 6200QJ3001A 6200VJT006A 6200QJ3001A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200VJT006A 6200VJT006A 6200QJ3001A 6200QJ3001A 6200QJ3001A 6200QJ3001A FILTER ...

Page 26: ...EEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA FILTER EMI REEL TAPING BMS400 NIGATA 25V 200MA RESONATOR CRYSTAL HC49U 6 000MHZ 30PPM 16PF BK RESONATOR CRYSTAL SX 1SMD 20250000HZ...

Page 27: ...P No 3854VA0114A S1 1 2 2002 11 05 ...

Page 28: ...P No 3854VA0114A S1 2 2 2002 11 05 ...

Page 29: ...P No 3854VA0114A S2 1 2 2002 11 05 ...

Page 30: ...POWER MAIN TOP MAIN BOTTOM PRE AMP TOP POWER LED TOP POWER LED BOTTOM PRE AMP BOTTOM P No 3854VA0114A S2 2 2 2002 11 05 ...

Page 31: ...FRONT CONTROL TOP FRONT CONTROL BOTTOM TUNER TOP TUNER BOTTOM DIGITAL TOP DIGITAL BOTTOM DRIVER TOP DRIVER BOTTOM P No 3854VA0114A S3 2002 11 05 ...

Page 32: ...SVC SHEET 3854V A0114A S1 SVC SHEET 3854V A0114A S2 SVC SHEET 3854V A0114A S3 SVC SHEET ...

Page 33: ...m ml ...

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