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MEMO

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Содержание RT-20LA60

Страница 1: ...DUAL LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS ML 012B MODEL RT RZ 20LA60 website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ...S 2 PRODUCT SAFETY 3 DESCRIPTION OF CONTROLS 4 SPECIFICATION 9 ADJUSTMENT INSTRUCTION 11 TROUBLE SHOOTING 16 PRINTED CIRCUIT BOARD 17 BLOCK DIAGRAM 20 EXPLODED VIEW 22 EXPLODED VIEW PARTS LIST 23 REPLACEMENT PARTS LIST 24 ...

Страница 3: ... on position 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 parts such as antenna terminals phone jacks etc If the exposed metallic part has a return path to the chassis the measured resistance should be between 1MΩ and 5 2MΩ When the exposed metal has no return path to the chassis the reading must be infinite Any o...

Страница 4: ...MUTE switches the sound on or off 2 TV AV selects TV or AV mode clears the menu from the screen switches the set on from standby 3 LIST displays the programme table 4 Q VIEW returns to the previously viewed programme 5 D D E E Programme Up Down selects a programme 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 selecti...

Страница 5: ...s or programme edit Battery installation Note To avoid damage from possible battery leakage remove the batteries if you do not plan to use the remote control handset for an extended period of time POWER MUTE TV AV I II LIST PR PR VOL OK 1 2 3 4 5 6 7 8 9 SSM PSM 0 VOL Q VIEW MENU SLEEP TEXT UPDATE TIME SIZE MIX HOLD REVEAL INDEX MODE i M 1 9 10 11 12 13 2 3 4 5 6 7 8 The remote control handset is ...

Страница 6: ...te operating mode clears the menu from the screen switches the set on from standby 3 LIST displays the programme table 4 EXIT clear all on screen displays and returns to TV viewing from any menu 5 D D E E Programme Up Down selects a programme 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 cur...

Страница 7: ... menu 14 PSM Picture Status Memory recalls your preferred picture setting 15 TELETEXT BUTTONS option These buttons are used for teletext For further details see the Teletext section No function COLOURED BUTTONS These buttons are used for teletext only TELETEXT models or programme edit POWER MUTE TV AV MULTIMEDIA I II LIST PR PR VOL 1 2 3 4 5 6 7 8 9 SSM PSM 0 VOL EXIT MENU SLEEP Q VIEW OK 1 11 12 ...

Страница 8: ...Light Emitting Diode DISPLAY illuminates brightly when the set is switched on POWER STANDBY indicator MONO indicator STEREO indicator DUAL indicator 9 HEADPHONE SOCKET Connect the headphone plug to this socket 10 AUDIO VIDEO IN SOCKETS AV3 Connect the audio video out sockets of exter nal equipment to these sockets S VIDEO AUDIO IN SOCKETS S Video Connect the video out socket of an S VIDEO VCR to t...

Страница 9: ...or improvement 4 General Specification 1 2 3 4 5 6 7 8 9 10 11 Receivable broadcasting system RF input channel Input voltage Tuning system Picture size Operating temperature Operating humidity Storage temperature Storage humidity Display D4 Jack Specification Min Typ Max Unit 1 PAL SECAM BG 2 PAL SECAM DK 3 PAL I I 4 SECAM L L 5 NTSC M 6 NTSC 4 43 AV 7 PAL N M 8 NTSC M VHF E02 E12 UHF E21 E69 CATV...

Страница 10: ...Carrier dual NICAM dual SSC split screen mode MUP Multi Picture Display mode Film mode Noise reduction Progressive scan Motion detection Dolby virtual Swivel speaker TOP FLOF LIST 10 page RC 5 NEC code NTSC 1 1 1 Full SCART 1 1 1 BG DK BG I LL BG DK BG I LL X X X O O X O X Item Specification Remark No TOP option PAL NTSC Side Rear Side Rear option Rear option EU D Sub 15 pin 15 inch only Stereo 15...

Страница 11: ...ignation Heat Run must be performed with the full white signal or TV noise signal in the internal part of the set The time for Heat Run can be changed owing to production plan 3 Component input mode adjustment 3 1 Required Test Equipment 1 A pattern generator being in proportion to MSPG925LTH or 801F SETTOP box 2 Adjustment Remote controller SVC Remocon 3 2 Preparation for Adjustment 1 Perfome Hea...

Страница 12: ...0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 SCART 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 OPTION Data 200PR TEXT I II SV TOP A2 ST SYS 32 33 34 35 36 37 38 39 40 41 42 43 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...

Страница 13: ... 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 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 ...

Страница 14: ... 0 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...

Страница 15: ... 1 1 1 1 1 1 1 5 Option2 data ACMS BBACK 1bit LANG 3bit 6 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 ...

Страница 16: ...ror of inverter connector 1 Bend the pin legs of P1 connector recheck them 2 Check and repair the IC804 SI4963 805 SI4925 Pin 40 connector 1 Check and fix P701 connector being slipped out 2 Check and fix the components at P701 LCD module and at main board 3 Check Pin40 Cracked components and 1 Check and repair tuner board and main board soldering at tuner board 2 Solder 102 2 Dark screen 1 Defecti...

Страница 17: ... 17 PRINTED CIRCUIT BOARD MAIN TOP ...

Страница 18: ... 18 MAIN BOARD BOTTOM ...

Страница 19: ... 19 CONTROL BOARD SIDE AV BOARD LED BOARD ...

Страница 20: ... 20 BLOCK DIAGRAM P701 TTL VPC3230D 4T ...

Страница 21: ...MEMO 21 ...

Страница 22: ... 22 EXPLODED VIEW 120 120 560 530 250 112 300 520 550 540 330 350 330 360 370 380 340 320 210 220 310 400 430 230 240 ...

Страница 23: ...FRONT RU 20LA60 ML012B ABS HF 380 350 4810V00768B BRACKET STAND HINGE COVER RU 20LA60 ML012B ABS HF 380 360 4810V00766B BRACKET DECO STAND RU 20LA60 ML012B ABS HF 380 370 4810V00769B BRACKET STAND RU 20LA60 ML012B ABS HF 380 BASE 380 4950V00133B METAL BASE SPCC CR 400 3809V00339E BACK COVER ASSEMBLY 1SCART 3850VC0002G LGEAK KIEV LGERU 3809V00339H BACK COVER ASSEMBLY RT 20LA60 ML012B NON ALPHA 3809...

Страница 24: ...IC915 IC940 Q1 Q2 D1 D2 D801 D802 D811 D812 ZD101 ZD3000 ZD3001 ZD71 ZD72 ZD73 ZD74 ZD75 ZD76 ZD77 ZD79 ZD80 ZD81 0IAL241610B 0IPH860100B 0IFA752700A 0IIT323000E 0IMCRGN001B 0IMCRTI022D 0IKE704200J 0IMCRFA009A 0IMCRFA008A 0IMCRKE010A 0IMCRM3001A 0ITC786000A 0IMCRFA020A 0IMCRKE010A 0IMCRG2004B 0IPH806520A 0IPH743730E 0ISS416162C 0ISS416162C 0IPH740400G 0IMCRAL006A 0IMCRFA020A 0IMMRHY033A 0ISA701600...

Страница 25: ...SCRIPTION C614 C618 C619 C620 C621 C622 C631 C632 C633 C635 C638 C639 C640 C641 C642 C643 C656 C658 C659 C662 C669 C670 C671 C672 C673 C676 C677 C680 C681 C682 C683 C685 C712 C719 C733 C734 C742 C801 C802 C803 C804 C805 C806 C807 C808 C814 C815 C817 C825 C826 C836 C837 0CE107DF618 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CK224DF56A 0CE476DF618 0CE106DF618 0CE106DF618 0CE335DK618 0CE107DF618 0CE107DF61...

Страница 26: ...703D622 0RH0000D622 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 0RRZVTA001A 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001A 6210TCE001A 6210TCE001A 6210TCE001A 6210TCE001A 6210TCE001A 6210TCE001A 6210TCE001G 6210TCE001G 6210TCE001A 6210TCE0...

Страница 27: ...EMC HH 1M3216 5013216MM R TP FILTER EMC HH 1M3216 5013216MM R TP FILTER EMC HH 1M3216 5013216MM R TP FILTER EMC HH 1M3216 5013216MM R TP FILTER EMC HH 1M3216 5013216MM R TP RESONATOR CRYSTAL 6 000MHZ 30PPM 16PF BK RESONATOR CRYSTAL 20250000HZ 30PPM 16PF TP RESONATOR CRYSTAL 18 432MHZ 30PPM 10PF BK RESONATOR CRYSTAL SC14 3MHZ 30 PPM 16PF TP SWITCH TACT 2LEAD 160G TA NON SWITCH TACT 2LEAD 160G TA NO...

Страница 28: ...P NO 3854VA0129A S1 1 2 2003 06 13 ...

Страница 29: ...P NO 3854VA0129A S1 2 2 2003 06 13 ...

Страница 30: ...Sep 2003 Printed in Korea P NO 3828VD0154D ...

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