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LG RE-28FZ30RQ, Service Manual, Page: 20 / 38

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LG RE-28FZ30RQ Service Manual Download Page 20

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Summary of Contents for RE-28FZ30RQ

Page 1: ...N BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS MC 036A MODEL RE RL 28 32FZ30RQ website http biz LGservice com e mail http www LGEservice com techsup html Jul 2003 Printed in Korea P NO 3828VD0151A ...

Page 2: ...Y PRECAUTIONS 3 SERVICING PRECAUTIONS 4 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 8 TROUBLE SHOOTING 16 BLOCK DIAGRAM 20 PRINTED CIRCUIT BOARD 22 EXPLODED VIEW 26 28 EXPLODED VIEW PARTS LIST 27 29 REPLACEMENT PARTS LIST 30 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 position connect one lead of ...

Page 4: ... 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 by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic 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: ...nge without notice for improvement Standard input Voltage AC 230V 50 60Hz Model Name RE 32FZ30RX RE RL 29FB51RQ RE 28FZ30RQ Brand LG Compiance Safety IEC60065 EMC EN55020 EN55013 EMC EN55020 EN55013 Model Name RE 32FZ30RX RE RL 29FB51RQ RE 28FZ30RQ Market No 1 2 3 4 5 6 7 8 9 Item Receiving System AV Receiving System Available Channel Input Voltage Market Screen Size Tuning System Operating Enviro...

Page 7: ...eletext Remocon AV input Component input PERI TV connector RGB input 2 Carrier stereo NICAM stereo 2 Carrier Dual NICAM Dual SSC Split Screen mode Multi picture display mode 1 2 12 PIP Film mode Noise reduction Progressive scan Motion detection DBS Swivel speaker Digital eye Option Side or Front 1 Rear 2 AV1 AV1 Max PSM Dynamic Min PSM Mild Item Specification Remark ...

Page 8: ...make equal red on whole screen and it does not to make the DY by fixed screw after check a simple color of Red Green Blue and white raster whether or not it is a pollution of color At this time take care raster of screen and DY must fixing in the condition which maintains a horizontality 7 Check the TV set by move direction 4 2 Convergence adjustment These adjustments can the best condition of foc...

Page 9: ...th B CUTOFF until they have the color coordinate of Low Light as below g Repeat adjusting until the color coordinate of High and Low Light is satisfied h Check the color coordinate of adjusted condition with white balance meter 9 SERVICE1 Item CR 0 511 CG 0 511 CB 0 511 WR 0 511 WG 0 511 WB 0 511 SBRI 255 254 YCDEL PH 32 FLAT 256 256 256 256 256 256 20 2 SS 29 FLAT 256 256 256 256 256 256 20 2 SS ...

Page 10: ...vertical line look like parallel with vertical lines of the CPT 9 CRNU Upper Corner Correction adjustment After finished EP adjustment adjust vertical line of left top right top of screen to the best straight line 10 CRNL Lower Corner Correction adjustment After finished EP adjustment adjust vertical line of left bottom right bottom of screen to the best straight line 11 BOW adjustment A standard ...

Page 11: ...50 50 496 140 400 230 200 5 4 30 23 15 S S 28 FLAT 413 128 50 50 496 135 400 200 200 5 4 20 23 14 Item IBRM WDRM CGAIN WGAIN MWDR BCLTH BCLTC BCLGA BCLC SVDEL SVD SVG VBSO TML PHILIPS 32 FLAT 20 83 17 102 102 230 0 45 25 9 11 252 S S 29 FLAT 20 83 17 102 102 230 0 45 25 9 11 252 S S 28 FLAT 20 83 17 102 102 230 0 45 25 9 11 252 Item FP NP SP S1 VOL S2 VOL AGC L VPC L M STR M HMC M HP M LP M LIM No...

Page 12: ... signal and then adjust POS60 to identity of vertical location 6 OPTION Adjustment 6 1 Preparation for Adjustment 1 This option adjustment decides funtion in accordance with model Press the SVC TX adjustment button IN START button at SVC mode then adjust the option at OPTION 1 2 3 4 mode 2 Mark the option adjustment data like 111 11 111 11 in BOM 6 2 Adjustment Method 1 Input data directly by the ...

Page 13: ...op text 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 WOOF RESE1 AV SV SAV3 DVD HPHON VOL ACMS Option Code Function Remark Without ACMS function With ACMS function Normal volume curve Rushed volume curve Without headphone With headphone Without DVD input With DVD input AV3 Y C not coresspondence AV3 Y C coresspondence Without woofer With woofer No save last AV Last AV save Australia EU 0 1 0 1 0 1 0 1 0 1 0 1 R...

Page 14: ... English Indonesian Malaysian Vietnamese English Thai English China English French Swedish Czech German Spanish Italian Polish French Swedish Czech German Slovenian Italian Rumanian English French Swedish Turkish German Spanish Italian English Hungarian Serbian Czech German Polish Spanish Italian Rumanian Polish Russia Estonian Polish Russia Swedish Czech Estonian English Russia Estonian Czech Ger...

Page 15: ...110 110 16 0 45 25 9 11 252 Table 5 OPTION 4 Function 6 Sound Prescaler Don t adjust mass production Because this value of SVC setting is set to come up to standard Only This standard is for reference In case of Phone jack is over 1EA in AV1 AV2 apply to Phone standard Audio out level 500mVrms at 100 modulation ratio In case of both of AV1 AV2 is Scartjack apply to Scartjack standard Audio out lev...

Page 16: ... 16 TROUBLE SHOOTING ...

Page 17: ... 17 ...

Page 18: ... 18 ...

Page 19: ... 19 ...

Page 20: ... 20 BLOCK DIAGRAM 1 MAIN ...

Page 21: ... 21 2 SMPS ...

Page 22: ... 22 PRINTED CIRCUIT BOARD MAIN ...

Page 23: ... 23 100Hz TOP 100Hz BOTTOM ...

Page 24: ... 24 CPT REACTOR ...

Page 25: ... 25 FRONT CONTROL 32 POWER CONTROL SIDE A V FRONT CONTROL 28 ...

Page 26: ... 26 EXPLODED VIEW RE RL 28FZ30 122 510 150 170 112 913 300 120 120 122 121 121 320 600 700 330 315 310 943 400 501 590 580 550 560 520 ...

Page 27: ...8FZ30 ABS HF 380 NON 400 3809V00320D BACK COVER ASSEMBLY RE 28FZ30RQ 2SCART C SKD MC 036A 501 4810V00379S BRACKET MAIN 28FZ30 MC021A HIPS 407AF 510 6871VSMX40C PWB PCB ASSEMBLY SUB CPT MC036A CKD SS 28 520 6871VMMQ80E PWB PCB ASSEMBLY MAIN MC 036A RE 28FZ30RQ KUPLMP8 CKD POLAND 550 6871VSMX44A PWB PCB ASSEMBLY SUB MC036A CKD REACTOR FZ30 560 6871VSMX68A PWB PCB ASSEMBLY SUB A V MC036A 100HZ CKD W ...

Page 28: ... 28 EXPLODED VIEW RE RL 32FZ30 122 510 150 170 112 913 943 400 300 120 122 121 320 600 700 330 310 501 590 580 550 560 520 ...

Page 29: ...Y 102 400 3809V00A93H BACK COVER ASSEMBLY RE 32FZ30RQ 2SCART CKD MA 501 4810V00684D BRACKET MAIN RE 32FZ30RQ MC036A HIPS 407AF V2 510 6871VSMX40A PWB PCB ASSEMBLY SUB CPT MC036A CKD PH32 CPT 520 6871VMMQ80C PWB PCB ASSEMBLY MAIN MC 036A RE 32FZ30RQ KKPLMU UK 550 6871VSMX44A PWB PCB ASSEMBLY SUB MC036A CKD REACTOR FZ30 560 6871VSMX68C PWB PCB ASSEMBLY SUB A V MC036A RE 32FZ30RQ KKPLMU8 UK 580 6871V...

Page 30: ...R 2619 TR EER2834 0UH LOCA NO PART NO DESCRIPTION D850 IC001 IC002 IC003 IC012 IC013 IC014 IC015 IC016 IC101S IC102 IC102S IC103 IC104 IC301 IC401 IC501 IC501S IC503 IC504 IC601 IC650 IC652 IC801 IC802 IC851 IC853 IC854 IC856 IC901 IC902 IC903 Q011 Q012 IC2002 L850 Q015 Q016 Q018 Q103 Q104 Q105 Q108 Q1101 Q111 Q161 Q162 Q163 Q164 0ISK100300A 0ISM555000B 0IAL241610B 0IPH743200A 0IFA754207A 0IFA7527...

Page 31: ...OHM K DO34 0 5W 6 2V 5UA DIODE MTZJ6 2B TP ROHM K DO34 0 5W 6 2V 5UA DIODE MTZJ6 2B TP ROHM K DO34 0 5W 6 2V 5UA LOCA NO PART NO DESCRIPTION ZD1206 ZD601 ZD650 C003 C010 C011 C012 C013 C015 C020 C021 C024 C030 C031 C036 C103 C105 C106 C1102 C1103 C1104 C1130 C114 C115 C116 C117 C118 C119 C1204 C1208 C1209 C121 C121 C1210 C1211 C1212 C1213 C123 C124 C124 C125 C126 C126 C126 C127 C129 C133 C133 C135...

Page 32: ...C324 C331 C333 C338 C339 C340 C348 C350 C401 C402 C403 C404 C405 C406 C408 C409 C411 C413 C414 C415 C416 C417 C418 C419 C423 C426 C437 C438 C440 C441 C442 C446 C447 C504 C506 C512 C517 C517 C518 C518 C519 C521 C523 C524 C525 C526 C527 C527 C529 C529 0CQ3331N509 0CE228DJ650 0CQ3331N509 0CQ1021N519 0CN2710K519 0CE228DH610 0CK56101515 181 014Z 0CE228BH61A 0CK56101515 181 091D 181 091D 0CK22101515 181...

Page 33: ...C807 C808 C809 C811 C812 C813 C814 C815 C816 C821 C824 C851 C853 C855 C856 C857 C858 C859 C861 C862 C863 C864 C866 C867 C868 C869 C870 C871 C872 C873 C875 C900 C901 C902 C903 C904 C905 C906 C907 C910 C911 C912 C914 C915 C916 C917 C918 C919 C920 C925 C927 C928 181 091C 0CE107BJ618 0CK1020K515 181 120K 0CK1020K515 181 091D 0CQZVBK002A 181 091C 181 091D 181 001Y 0CQZVBK002C 0CK1020K515 0CE108DF618 0C...

Page 34: ...ER 2 36PAI 1P K M CONNECTOR CIRC WAFER 2 5MM 8P R A LOCA NO PART NO DESCRIPTION P1152B P1201B P1201B P18 P19 P201B P202B P203B P204B P2903 P401 P401 P601B P601B P650 P651 P803A P803B P822A P822B P823 P824 P901A P901B P902A P902B P905 P906 AR101 AR102 F851 F855 F856 FB854 FR2948 FR359 FR360 FR442 FR443 FR448 R110 R1101 R1102 R1103 R1104 R111 R111 R112 R112 R113 387 A08F 366 922G 366 922L 366 009D 3...

Page 35: ...6 W 5 TA52 510K OHM 1 6 W 5 00 TA52 56K OHM 1 6 W 5 TA52 100 OHM 1 6 W 5 TA52 75 OHM 1 6 W 5 00 TA52 75 OHM 1 6 W 5 00 TA52 75 OHM 1 6 W 5 00 TA52 100 OHM 1 6 W 5 TA52 75 OHM 1 6 W 5 00 TA52 75 OHM 1 6 W 5 00 TA52 75 OHM 1 6 W 5 00 TA52 1K OHM 1 6 W 5 TA52 220 OHM 1 6 W 5 00 TA52 LOCA NO PART NO DESCRIPTION 0RD1500F609 0RD1600F609 0RD3001F609 0RD1500F609 0RD3001F609 0RD5601F609 0RD3001F609 0RD3000...

Page 36: ...A52 LOCA NO PART NO DESCRIPTION R806 R807 R808 R809 R810 R832 R833 R852 R853 R854 R855 R857 R859 R860 R862 R863 R864 R865 R866 R867 R868 R869 R870 R873 R874 R877 R902 R903 R905 R906 R907 R908 R909 R910 R912 R913 R914 R915 R917 R918 R921 R929 R930 R938 R946 R947 SG904 SG911 SG912 SG913 180 A01P 0RKZVTA001C 0RD3001F609 0RS2402K607 0RS2402K619 0RD1600F609 0RD2203A609 0RS0102K607 0RD4701F609 0RD4702F6...

Page 37: ...APING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC FERRITE 1UH TAPING FILTER EMC SQE3535 20MH PHY TURN FILTER EMC SQE3535 20MH PHY TURN RESONATOR CRYSTAL 6 000MHZ 30PPM 16PF BK RESONATOR CRYSTAL 6 000MHZ 30PPM 16PF BK RESONA...

Page 38: ...P N 3854VA0121A S1 DATE 2003 07 15 ...

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