更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-024D MODEL : RZ-20LA70 CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. P/NO : 3828VD0168C Oct.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 DESCRIPTION OF CONTROLS .............................................................. 4 ADJUSTMENT INSTRUCTION .................................................................7 TROUBLE SHOOTING ..................................................
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ PRODUCT SAFETY IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audiovisual service technicians. When servicing this product, under no circumstances should the original design be modified or altered without permission from LG Electronics Inc.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the side panel of the set. Remote control handset MUTE POWER 1 9 TV/AV I/II 10 2 LIST Q.VIEW MENU 3 4 1. MUTE switches the sound on or off. 11 2. TV/AV selects TV or AV monitor mode. clears the menu from the screen. switches the set on from standby.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 9. POWER switches the set on from standby or off to standby. 10. I/II selects the language during dual language broadcast. selects the sound output (option). 11. MENU selects a me MUTE POWER TV/AV I/II 1 12. PSM (Picture Status Memory) recalls your preferred picture setting. 9 10 2 LIST Q.VIEW MENU 13. TELETEXT BUTTONS (option) These buttons are used for teletext. For further details, see the ‘Teletext’ section.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ Side panel • RZ- 20LA70 series 9 PR VOL OK MENU TV/AV /I ON/OFF 7 10 6 5 4 3 2 1 H/P S-VIDEO VIDEO (MONO) L AV2 AUDIO R Back panel 8 1. ON/OFF (O/I) switches the set on from standby or off to standby. Note : Power line lives even when the power is off. 7. POWER/STANDBY INDICATOR (O) illuminates red in standby mode. illuminates green when the set is switched on. 2. TV/AV selects TV or AV monitor mode. clears the menu from the screen.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ ADJUSTMENT INSTRUCTION 1. Application Object This instruction is for the application to the LCD TV. 2. Notes (1) This set uses an adapter, so connect the adapter and the set correctly before adjustment. (2) The adjustment must be performed under the correct sequence. (3) The adjustment must be performed in the circumstance of 25!5cC of temperature and 65!10% of relative humidity if there is no specific designation.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 4.
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更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ OPTION 200PR Data TEXT I/II SV TOP SCART A2 ST SYS 248 1 1 1 1 1 0 0 249 1 1 1 1 1 0 1 250 1 1 1 1 1 0 2 251 1 1 1 1 1 0 3 252 1 1 1 1 1 1 0 253 1 1 1 1 1 1 1 254 1 1 1 1 1 1 2 255 1 1 1 1 1 1 3 5.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 6.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ TROUBLE SHOOTING 1. General Features No. 1 2 Symptom No screen Dark screen Cause Check Point Input error of inverter connector 1) Bend the pin legs of P802B connector -> recheck them 2) Check and repair IC805 SI4925.
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更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ EXPLODED VIEW PARTS LIST No. PART NO. DESCRIPTION 112 6306V20002A LCD MODULE,V201V1-T01 VGA CHIMEI TFT COLOR 120 6400GKTX01A SPEAKER,FULLRANGE F1527C-6428 K-TONE 8OHM 7/12W 83DB OTHERS 210 4811V00076A BRACKET ASSEMBLY,REAR AV RZ-20LA70 ML024D .
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ REPLACEMENT PARTS LIST For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; LOCA. NO CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic PART NO RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible DESCRIPTION IC IC100 0ISM555000B SDA555XFL 52DIP ST FLASH MEMORY IC101 0IAL241610B AT24C16A-10PI-2.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; DESCRIPTION CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible LOCA. NO PART NO LOCA. NO PART NO C1102 0CC15003G06 15PF D 3KV 10%,-10% SL FMTW C351 0CE227DF618 220UF STD 16V M FL TP5 C1103 0CC15003G06 15PF D 3KV 10%,-10% SL FMTW C353 0CE475DK618 4.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible LOCA. NO PART NO LOCA.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ LOCA. NO PART NO LOCA.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ P/NO:3854VA0135A-S1 2003.10.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ SVC.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html LCD TV SERVICE MANUAL CHASSIS : ML-041B MODEL : RZ-20LA70(RZ-20LA70 Rev A) CAUTION *( ) ID LABEL Model No. BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. *Same looking with new chassis *Issue Date; 2004.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ CONTENTS CONTENTS .............................................................................................. 2 PRODUCT SAFETY ..................................................................................3 SPECIFICATION ........................................................................................4 ADJUSTMENT INSTRUCTION ...............................................................10 TROUBLE SHOOTING .....................................
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ IC Remove/Replacement Some chassis circuit boards have slotted holes (oblong) through which the IC leads are inserted and then bent flat against the circuit foil. When holes are the slotted type, the following technique should be used to remove and replace the IC. When working with boards using the familiar round hole, use the standard technique as outlined in paragraphs 5 and 6 above. Removal 1.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range This specification is applied to ML-041B chassis. 2. Requirement for Test Testing for standard of each part must be followed in below condition. (1) Temperature: 25°C ± 2°C (2) Humidity: 65% ± 10% (3) Power: Standard input voltage (AC 100-240V, 50/60Hz) (4) Measurement must be performed after heat-run more than 30min.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 4. Feature and Function No.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 6.Engineering Specification No. 1 Item Specification Power Supply H/V Sync Video Normal On/On Active Stand By Off/On Suspend Mode On/Off DPM Off Mode Off/Off Cut-off Switch off - Remark Power Consumption 65W D-SUB Pin Configuraion LED 1W 1W - OFF 0W PBP SWAP 2 GREEN 1W Off Spectification ITEM LED Color 1: RED 2: Green 3: Blue: 4: ID2(GND) 5: S.T(GND) 6: RED GND 7: Green GND 8: Blue GND 9: N.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ 6-2.Power NO 1 2 3 4 5 6 7 8 9 10 11 Item AC Power Shut Down Voltage DC Voltage, Inverter DC Voltage, LCD Panel DC Voltage, Audio DC Voltage, Tuner(5) DC Voltage, Tuner(9) DC Voltage, Tuning(31) DC Voltage, VCTi(5) DC Voltage, VCTi(8) DC Voltage, VCTi(3.3) DC Voltage, VCTi(1.8) DC Voltage, GM2221 (3.3) DC Voltage, GM2221 (1.8) DC Voltage, Digital (3.3) DC Voltage, Digital (5) Min Typ Max Unit 90 22.8 11.4 14.0 4.5 8.5 31 4.5 7.5 3.1 1.6 3.1 1.6 2.8 4.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ ADJUSTMENT INSTRUCTION 1. Application Object This instruction is for the application to the LCD TV. 2. Adjustment 2.1 Adjustment overview The unit is set to automatically adjust using the factory automation equipment. However when errors occur, it should be adjusted manually. 2.2 Auto Gain/Offset adjustment 2.2.1 RF Mode adjustment 2.2.1.1 Adjustment preparation Conduct Heat Run at the RF fog signals for more than 30 minutes. 2.2.1.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ SVC REMOCON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 To turn the TV on or off To turn the TV on automatically if the power is supplied to the TV. (Use the POWER ON POWER key to deactivate): It should be deactivated when delivered. To activate the mute function. MUTE To check TV screen image easily.
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AC IN Y Pb ANALOG SIGNAL DIGITAL SIGNAL SOUND INPUT IF +,- INPUT SOUND OUTPUT Pr ML-041B Block Diagram H/P V COMPONENT AT24C16 IC4 S-VHS SCART R,G,B SCART V,L,R POWER TC90A65F IC500 SM5301BS IC800 L,R VCTI IC1 RGB OUT L, R IC100 IC101 Audio Amp D-SUB 14066 IC202 S A W Z1000 IF+,- PC RGB M52758FP IC851 Tuner TU1000 LA7222 IC2 GM2221 IC901 SIDE_AV PC L,R SIDE V SIDE_L,R PC AUDIO AT49F IC905 TTL 1 OUT TTL 2 OUT LVDS 1 OUT 更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ BLOCK DIAGRAM DESCRIPTION 1. Video Controller Unit & Display Data Conversion Unit The video controller unit receives the video signals inputted through the tuner, AV port (AV1, AV2, S-Video, component), and converts them into an analog RGB signal through the microcomputer (VCTI) combined with the video decoder that integrates various functions in one chip.
4P_2.5MM SHIELD GND: 2PIN, 4PIN 500MM 750MM 1 RECEPTERCLE P1203 9 18P_1.0MM FFC 54MM (RZ ONLY) P3 5 4 2 6P_2.0MM H-B P210 600MM P901 P904 P902 6 SPEAKER IR_LED SPEAKER 2P_AC_SOCKET 8 11P_2.0MM H-H 100MM 3 1. 20P LVDS : 200MM 2. 41P TTL 3. 50P TTL : 145MM WIRING DIAGRAM 7 3P_2.5MM H-B 220MM 6631T25019Y 6631T11017P-CMO 1 2 6631T20028G 6631T20029X 6631T25021A 6620K00007C 5 6 7 8 9 6631T11012R 4 6631T11017R or 6620K00007A 6631T11021A 3 6631T11017Q-AUO Part No. No.
20 14 11 8 13 5 1 5 7 6 2 10 9 12 EXPLODED VIEW 18 17 19 22 3 21 4 15 16 更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ EXPLODED VIEW PARTS LIST No. 1 PART NO.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ REPLACEMENT PARTS LIST For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; *S *AL LOC. NO. PART NO. CC, CX, CK, CN, CH : Ceramic CQ : Polyestor CE : Electrolytic CF : Fixed Film DATE: 2004. 6. 16. DESCRIPTION / SPECIFICATION *S *AL LOC. NO.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ *S *AL LOC. NO. C115 C116 C117 C118 C12 C125 C126 C200 C22 C23 C24 C25 C26 C27 C28 C29 C3 C30 C31 C32 C33 C34 C35 C37 C40 C42 C45 C52 C67 C75 C800 C801 C802 C807 C811 C816 C82 C861 C865 C901 C903 C904 C905 C906 C911 C912 C913 C914 C915 C916 C918 C919 C921 C922 C961 C121 C122 C43 C47 C48 C53 C56 PART NO.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ *S *AL LOC. NO. DATE: 2004. 06.16. DESCRIPTION / SPECIFICATION PART NO. *S *AL LOC. NO. IC PART NO. DATE: 2004. 06.16.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ *S *AL LOC. NO. C931 C932 C933 L905 R1002 R1011 R1106 R1152 R12 R128 R129 R13 R202 R208 R209 R210 R36 R37 R7 R817 R822 R834 R836 R837 R961 R964 R1 R10 R1001 R1003 R1005 R1014 R11 R1105 R1107 R1149 R1150 R124 R125 R127 R130 R131 R138 R139 R15 R16 R17 R18 R19 R2 R20 R203 R205 R206 R207 R21 R22 R221 R224 R225 R226 R23 PART NO.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ *S *AL LOC. NO. R943 R944 R945 R946 R947 R952 R953 R954 R96 R979 R980 R981 R982 R983 R984 R991 R992 PART NO. DATE: 2004. 06.16. DESCRIPTION / SPECIFICATION *S *AL LOC. NO.
更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ *S *AL LOC. NO. R1233 R1234 R1235 R1236 R1237 L1204 L1205 R1203 R1204 R1207 R1210 R1212 R1214 R1216 R1226 R1227 R1228 R1229 R1201 R1205 R1224 R1225 R1215 R1221 R1222 P1205 PART NO. DATE: 2004. 06.16.
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更多难得图纸资料可去 中国家电维修技术联盟网 免费下 http://bbs.jdwx.net.cn/ P/NO : 3828TSL103L Jun.
