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Содержание 20LS1R-ZG

Страница 1: ...CD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS CL 81 MODEL 20LS1R ZG website http biz LGservice com e mail http www LGEservice com techsup html ...

Страница 2: ... 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 ISP MANUAL 12 SVC REMOCON 14 TROUBLE SHOOTING 17 BLOCK DIAGRAM 21 EXPLODED VIEW 23 REPLACEMENT PARTS LIST 25 SVC SHEET ...

Страница 3: ...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 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 ...

Страница 4: ...y obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded ...

Страница 5: ...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 leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and adjacent components and the circuit boa...

Страница 6: ...ard coating 3H anti glare treatment of the front polarizer Operating Mode Normally Black IPS Back light Unit 6 CCFL 6 lamps R T Typ 25ms LCD Module Feature Maker CPT P N 2 Type TFT Color LCD Module 6304FCP008A CPT Active Display Area 640 H x 480 V CLAA201VA07 Pixel Pitch mm 0 6375mm x 0 2125mm x RGB Electrical Interface LVDS Color Depth 6BIT WITH FRC 16 2M colors Size mm 448 W x 337 H x 23 0 D Sur...

Страница 7: ...3 10 2 Degree Tilt force Target 1 5Kgf 0 8Kgf 2 0Kgf Swivel Degree NON Swivel Force NON 5 Appearance General Refer to Standard of LG 55 G1 1020 Item Content Remark No ITEM Specification Remark 1 ENERGE SYNC V H VIDEO POWER CONSUMPTION LED COLOR Normal On On Active 60W Green Stand By Off Off Off 2W 110V Red 2W 220V Cut off Switch off 1W OFF 2 D SUB 1 RED 2 Green For Service Only Pin configuration 3...

Страница 8: ... 350 Hydis 280 350 3 Contrast Ratio CR Mix Typ All white All black LPL 500 800 CPT 450 500 Hydis 500 700 4 CIE Color Coordinates Min Typ Max In AV input White Wx 0 283 0 313 0 343 PSM Dynamic Warm Wy 0 299 0 329 0 359 White White Wx 0 253 0 283 0 313 100IRE Normal Wy 0 268 0 298 0 328 White Wx 0 244 0 274 0 304 Cool Wy 0 256 0 286 0 316 1 TV AV PSM Dynamic CSM Normal 2 PC Contrast 100 Brightness 5...

Страница 9: ...anual Programme Programme Edit Favourite Programme None 7 PICTURE PSM Dynamic CSM Normal Cool PAL Multi Dynamic Contrast 100 Brightness 50 Colour 70 Sharpness 50 Tint 0 NTSC OPTION 8 SOUND SSM Flat AVL Off Balance 0 9 TIME Clock Off time Off On time Pr 1 Vol 30 Off Auto sleep Off 10 SPECIAL Language English Area Management Input TV Child lock Off Power indicator On ...

Страница 10: ...Blue LED is ON 10 After ISP automatically input source change AV2 and II_SW set to 0 3 3 ADC Process IIC_ SW must set 0 for Auto Adjust After ISP automatically set 0 3 3 1 DCXO setting in Video A Signal equipment displays Output Voltage 700 mVp p Impress Resolution CVBS NTSC J 60Hz Pattern 8 Color Bar pattern Refer below picture Model 207 Pattern 33 at MSPG925 DCXO setting is done automatically by...

Страница 11: ...rm whether x 0 03 y 0 03 or not Color Temp 9300K After Confirming color coordinate and luminance IIC_ SW set 1 automatically 4 4 Outgoing condition Configuration A Outgoing Option setting in Service OSD A Press IN START Key by using the SVC Remote Controller A Press 8 digit code by SVC Remote controller refer 3854TAA001A or 3854TAA002A in BOM A After option configuration is complete Exit SVC MENU ...

Страница 12: ...ecking execute WISP program 2 Compare LOC version in BOM with version of hexfile 3 Push Browse in WISP program and select hex file 1 4 Push Auto Execute after loading file 2 5 After Writing Flash memory check OK message 3 6 After finishing ISP turn OFF Main Power AC switch and then turn ON the switch 7 Red LED is blinking during writing default value in EEPROM 24C32 after turn on the switch 8 ALL ...

Страница 13: ...omatic mode on to manual mode and then push Enter ISP Mode 2 As soon as turn on AC power push Send quickly and again Check the following message in ISP status If ISP status is not ready try again from AC power on 3 After Entering ISP mode Push Erase Flash and Send Take turns 1 4 If Erase Flash is not OK try again Erase Flash Check all OK ...

Страница 14: ...d Take turns 8 9 Finally Turn off and on Main AC Power and wait for ending LED blinking SEDNA ISP Mode Push IN START IN STOP TILT TILT at Service remocon in order then ST BY Red will be blinking If SET ON LED Green blinks please push TILT key once SEDNA Download 1 After LED checking execute ISP_Tool program 2 Push Identity and check connection message Check all OK filename hex ...

Страница 15: ...d select hex file 1 4 Push Erase Program Verify Restart System after loading file Take turns 2 5 5 Check whether each stage 2 5 is successful in message box 6 After finishing ISP turn OFF Main Power AC switch and then turn ON the switch ...

Страница 16: ...o move channel up down or to select a functiondisplayed on the screen 16 VOL To adjust the volume or accurately control a specific function 17 ENTER To set a specific function or complete setting 18 CH OP1 To use as a red key in the teletext mode 19 CH OP2 To use as a green key in the teletext mode 20 SWAP OP3 To use as a yellow key in the teletext mode 21 INPUT OP4 To use as a blue key in the tel...

Страница 17: ...off Check short of main B D or Change Lips Change U406 Change LED Assy Check 15V or 5V of Lips Check Output of U406 Check LED Assy Check J103 J125 J126 Connector Fail Fail Change Q402 Check Output of Q402 Fail Pass Fail Pass Pass Pass A Process ...

Страница 18: ...7 U409 Check inverter Connector or inverter Check input source cable and jack Repeat A PROCESS Fail Change U401 U405 U407 U409 Fail Change U301 Fail Change inverter connector or inverter Fail Change panel link cable or module Fail Check panel link Cable or module Pass Pass Pass Pass Pass B Process ...

Страница 19: ...R194 R198 R184 Repeat A Process Check the output of TU701 Check the input output of U301 Check the input output of U101 Check input source cable and jack Fail Fail Fail Fail Re soldering or Change the defect part Check X301 Fail Re soldering or Change the defect part Check 5V 33V of TU701 Re soldering or Change the defect part Pass Pass Pass Pass ...

Страница 20: ...input Check the input source Fail Pass Re soldering or Change the defect part Check X301 Check the input output of U301 Fail Pass Re soldering or Change the defect part Check the input output of U201 Fail Pass Change speaker Check the speaker Fail Pass ...

Страница 21: ... 21 BLOCK DIAGRAM ...

Страница 22: ...l like Contrast Brightness Sharpness Color tint signals including Adaptive Comb Filter 2 Audio Decoder This block analyzes audio input signal through A V Jack and PC audio and Tuner IF The analyzed signals transmitted to audio amplifier On decoding We can control signal like Bass treble 3 IF Decoder This block can change IF signal to audio and video signal that transmitted to Video audio decoder 4...

Страница 23: ... 23 EXPLODED VIEW 010 050 050 020 080 080 060 060 070 040 090 100 110 030 120 130 041 042 ...

Страница 24: ...y STAND 20LS1R CL81 BASE _NON_METAL_MA_LOCAL MCQ30553401 Damper MOLD SANTOPRENE SUPPORT RUBBER LS1R SPEAKER RUBBER EAB31483101 Speaker Fullrange EN1527C 6603 3 ND 5W 16OHM 80DB 170HZ 71 5 X 42 X 29 5 LUG EBR31651301 PCB Assembly SUB T T CL81 LS1R B all LED IR MAZ30569601 Bracket MOLD HIPS 51SF FIXER 20LS1R CL81 HIPS 51SF MODULE FIX BRACKET 6871TPT319A PCB Assembly Power POWER T T ETC 6 LAMP TV MNT...

Страница 25: ...0 C205 0CH3474H946 C2012Y5V1E474ZT 470nF 20TO C209 0CH3474H946 C2012Y5V1E474ZT 470nF 20TO C211 0CH3104K566 0805B104K500CT 100nF 10 50 C212 0CH3104K566 0805B104K500CT 100nF 10 50 C213 0CH3474H946 C2012Y5V1E474ZT 470nF 20TO C215 0CH3474H946 C2012Y5V1E474ZT 470nF 20TO C216 0CH3104K566 0805B104K500CT 100nF 10 50 C217 0CH3104K566 0805B104K500CT 100nF 10 50 C228 0CH3224K946 C2012Y5V1H224ZT 220nF 20TO C2...

Страница 26: ... 50 C198 0CC271CK41A C1608C0G1H271JT 270pF 5 50 C199 0CC271CK41A C1608C0G1H271JT 270pF 5 50 DATE 2006 08 03 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C202 0CK104CK56A 0603B104K500CT 100nF 10 50 C203 0CK104CK56A 0603B104K500CT 100nF 10 50 C204 0CC221CK41A C1608C0G1H221JT 220pF 5 50 C206 0CK224CF56A 0603B224K160CT 220nF 10 16 C207 0CK105CF94A 0603F105Z160CT 1uF 20TO 80 C208 0CK105CF94A 0603F105Z...

Страница 27: ...V 3 3V 1W U404 0IRH033200A BA033FP E2 4 3TO25V 3 3V 1W DATE 2006 08 03 S AL LOC NO PART NO DESCRIPTION SPECIFICATION U403 0IPMGSG018D LD1086DT18TR LF 30V 1 8V U201 0IPRP00007A TPA3005D2PHPRG4 8 5TO18V U703 0IPRP00667A DTC34LF86L 3 0VTO3 6V 1 4W U301 0IPRP00641B TDA15521E 4 7VTO5 3V 3 0VTO U401 0IKE780800J KIA7808API 10 5TO23V 8V 2W U409 0ISS780500H KA78M05RTM 7TO20V 5V DPAK U704 0ISS780500H KA78M0...

Страница 28: ...06 08 03 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R129 0RH1002D622 MCR10EZHJ103 10KOHM 5 1 8W R149 0RH4701D622 MCR10EZHJ472 4 7KOHM 5 1 8 R151 0RH1001D622 MCR10EZHJ102 1KOHM 5 1 8W R177 0RH0000D622 MCR10EZHJ000 0OHM 5 1 8W 2 R178 0RH0000D622 MCR10EZHJ000 0OHM 5 1 8W 2 R180 0RH1500D622 MCR10EZHJ151 150OHM 5 1 8W R182 0RH1200D622 MCR10EZHJ121 120OHM 5 1 8W R183 0RH1002D622 MCR10EZHJ103 10KOHM 5...

Страница 29: ...2 2KOHM 5 1 10W R152 0RJ1001D677 MCR03EZPJ102 1KOHM 5 1 10W R153 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W DATE 2006 08 03 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R157 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R159 0RJ4701D677 MCR03EZPJ472 4 7KOHM 5 1 1 R161 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R162 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R163 0RJ0000D677 MCR03EZPJ000 0OHM 5 1 10W R175 0RJ0682D677 MC...

Страница 30: ... 50 Q5002 0TR387500AA 2SC3875S ALY NPN 5V 60V 50 R5001 0RH1501D622 MCR10EZHJ152 1 5KOHM 5 1 8 R5002 0RH1001D622 MCR10EZHJ102 1KOHM 5 1 8W R5003 0RH1001D622 MCR10EZHJ102 1KOHM 5 1 8W R5004 0RH1001D622 MCR10EZHJ102 1KOHM 5 1 8W R5005 0RH1001D622 MCR10EZHJ102 1KOHM 5 1 8W ZD5000 0DZ510009EE UDZS5 1B 5 1V 4 98TO5 2V 80 C6000 0CN1040K949 CH UP050 F104Z B B Z 100nF C6001 0CN1040K949 CH UP050 F104Z B B Z...

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Страница 36: ...Aug 2006 Printed in Korea P NO MFL30105541 ...

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