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LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LP73A

MODEL : 22LS4R

22LS4R-TA

website:http://biz.LGservice.com

Содержание 22LS4R Series

Страница 1: ...LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LP73A MODEL 22LS4R 22LS4R TA website http biz LGservice com ...

Страница 2: ... 2 CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 14 BLOCK DIAGRAM 20 EXPLODED VIEW 22 REPLACEMENT PARTS LIST 24 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: ...vely 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 ground...

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: ...prior to the adjustment SPECIFICATION NOTE Specifications and others are subject to change without notice for improvement 3 General Specification TV No Item Specification Remark 1 Video input applicable system PAL D K B G I NTSC 2 Receivable Broadcasting System PAL BG DK PAL I NTSC M SECAM BG DK 3 RF Input Channel VHF UHF C1 C69 PAL CATV S1 S47 VHF UHF 2 83 NTSC CATV 1 71 4 Input Voltage 100 240V ...

Страница 7: ...ctro optical characteristic specifications module standard 7 1 Display area 473 76 H x 296 1 V mm 2 Outline dimension 493 7 H x 320 1 V x 16 5 D mm Max 3 Number of Pixels 1680 H x 1050 V 1Pixel 3RGB Cells 4 Cell pitch 0 282mm H x 0 282mm V mm 1Pixel 3RGB Cells 5 Color arrangement RGB vertical stripe 6 Weight net 2 8 Kg 7 Operating Environment Temperature 0 50 deg Humidity 10 90 8 Storage Environme...

Страница 8: ...No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 640 480 31 469 59 94 25 17 VESA VGA 2 800 600 37 879 60 31 40 00 VESA SVGA 3 1024 768 48 363 60 00 65 00 VESA XGA 4 1280 1024 63 981 60 02 108 0 VESA WXGA 5 1440 900 55 5 59 90 88 75 WXGA 19LS4R TA only 6 1680 1050 65 290 59 954 146 25 WXGA 22LS4R TA only 5 Model Specification No Item Specification Remark 1 Market Non EU 2 Broadc...

Страница 9: ... Proposed 1 720 480 31 47 59 94 27 000 SDTV 480P 2 720 480 31 50 60 00 27 027 SDTV 480P 3 720 576 31 25 50 00 27 000 SDTV 576P 4 1280 720 37 5 50 00 74 250 HDTV 720P 50Hz 5 1280 720 44 96 59 94 74 176 HDTV 720P 6 1280 720 45 00 60 00 74 250 HDTV 720P 7 1920 1080 33 72 59 94 74 176 HDTV 1080I 8 1920 1080 33 75 60 00 74 250 HDTV 1080I 9 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz 9 HDMI DVI input ...

Страница 10: ... tab and then load download file XXXX bin by clicking Read 5 Click Auto tab and set as below 6 click Run 7 After downloading check OK message 3 2 ADC Process 1 PC input ADC 1 Auto RGB Gain Offset Adjustment Convert to PC in Input source Signal equipment displays Output Voltage 730 mVp p Impress Resolution XGA 1024x 768 60Hz Model 107 in Pattern Generator Pattern 28 in Pattern Generator MSPG 925 Se...

Страница 11: ...ut signal 480P Full white 216 255 gray level 85 IRE Model 212 Pattern 78 at MSPG925L 3 Set PSM Dynamic CSM Cool 4 Confirm whether x 0 285 0 015 y 0 293 0 015 or not 4 5 Other quality A Confirm that each items satisfy under standard condition that was written product spec A Confirm Video and Sound at each source 1 Video Select input AV1 and whether picture is displayed or not SCART output displayed...

Страница 12: ...on 1 5kV dc or 2 2kV dc for one second 4 11 Option data setting SVC OSD setting 1 PAL Model Change by Suffix Tool option 2 Area Option S Am 12 19LS4R MA 22LS4R MA 12161 19 12162 22 Resolution 1 2 Module 0 0 TV 1 1 SCART 1 1 AV2 1 1 COMPONENT 1 1 PC RGB 1 1 DVI 0 0 HDMI 1 1 Option1 1 200PR 0 0 BG I DK L 1 BG I DK M 2 ACMS 1 Acting FM ST after checking Nicam 3 TEXT FLOF TOP FLOF 4 CH AU 0 0 Except b...

Страница 13: ...ROM ALL INIT E4 00 00 EEPROM All clear EEPROM Read E7 00 00 EEPROM Read EEPROM Write E8 00 data EEPROM Write by some values COLOR SAVE R G B cutoff Drive EB 00 00 Color Save Contrast Bright H POSITION 20 00 00 100 They have different range V POSITION 30 00 00 100 each mode FOS Adjustment CLOCK 90 00 00 100 PHASE 92 00 00 100 R DRIVE 16 00 00 FF Drive adjustment G DRIVE 18 00 00 FF B DRIVE 1A 00 00...

Страница 14: ...oldering or Change defect part of IC100 Q307 Change IC1100 IC1101 Pass Change IC1102 IC1103 Check Output of IC1102 Fail Check short of Q307 TU600 IC500 Fail Re soldering or Change defect part of Q307 TU600 IC500 Pass Pass Change IC1104 IC1105 Change LED Assy Check Output of IC1104 IC1105 Pass Check LED Assy Pass Check P304 Connector Fail Check short of IC100 IC400 Fail Fail Re soldering or Change ...

Страница 15: ...Link Cable or Module Pass Fail Change Panel Link Cable or Module Check Inverter Connector or inverter Fail Change Inverter Connector or Inverter Pass Change IC100 Check Output of L300 Pass Check the LVDS Output of IC100 Pass Check Input source Cable and Jack Fail Change Module Fail Fail Change L300 ...

Страница 16: ...ut output of R735 R736 Fail Check the J701 Pass Re soldering or change the defect part Check the X100 Check the input output of R128 R131 R136 Pass Check the input output of IC100 Pass Check input source cable and jack Fail Fail Re soldering or Change the defect part ...

Страница 17: ...eck the input output of R901 Fail Check the J900 Pass Re soldering or change the defect part Check the X100 Check the input output of R125 Pass Check the input output of IC100 Pass Check input source cable and jack Fail Fail Re soldering or Change the defect part ...

Страница 18: ...efect part Check the X100 Pass Check input source cable and jack Check input source cable and jack Repeat A B process Fail Check the output of TU600 Pass Pass Fail Check 5V of TU600 Re Soldering or change the defect part Check the input output of L1002 L1003 L1004 Fail Change L1002 L1003 L1004 Pass Check input output of IC100 Pass Fail Re soldering of Change defect part Check the X100 Pass Pass ...

Страница 19: ...the source input Check input Output of IC100 Fail Pass Re soldering of Change the defect part Check the X100 Check the input output of IC500 Fail Re soldering or Change the defect part Pass Check the Speaker Pass Check the Speaker wire Fail Change Speaker ...

Страница 20: ... 20 LGE9789AD LF LG9689AD LF TAFT H003F BLOCK DIAGRAM ...

Страница 21: ...MEMO 21 ...

Страница 22: ... 22 300 200 531 530 580 520 521 523 400 522 120 590 591 432 430 431 EXPLODED VIEW ...

Страница 23: ... 19LS4R ABS HF 380 19LS4R STAND BODY COVER C SKD 432 AAN31022505 Base Assembly STAND m228w 22ls4r CL81 m228w 22ls4rHINGE COVER ASSY AAN31022507 Base Assembly STAND M198WA 19LS4R M208W HINGE COVER ASSY CKD 520 EBU36360202 Main Total Assembly 22LS4R TA BRAND LP69C 521 ADV31008016 Frame Assembly 22LS4R CL 81 ETC METAL FRAME ASSY BB3 MFT EXT TUNNER ADV31008038 Frame Assembly 22LS4R ETC 22LS4R METAL FR...

Страница 24: ...100M 100uF 20 16V 80MA 40T C1139 0CE477EF638 KMG5 0TP16VB470M 470uF 20 16V 366MA 55 C114 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C1140 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 16V 80MA 40T C1141 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 16V 80MA 40T C116 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C117 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C118 0CK104CK56A 0603B104K500CT 10...

Страница 25: ...5 C311 0CE107WF6DC MVK6 3TP16VC100M 100uF 20 16V 80MA 40T C400 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C4000 0CN1040K949 CH UP050 F104Z B B Z 100nF 20TO 80 50V C4001 0CN1040K949 CH UP050 F104Z B B Z 100nF 20TO 80 50V C401 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C402 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C403 0CK104CK56A 0603B104K500CT 100nF 10 50V X7R 55TO 1 C404...

Страница 26: ...DZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD705 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD900 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD901 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD902 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD903 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD904 0DZ560009DA UDZS5 6B 5 6V 5 49TO5 73V 60OHM 200MW SO ZD905 ...

Страница 27: ...47OHM 5 1 10W 1608 R TP R R126 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R127 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R128 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R129 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R130 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R131 0RJ0472D677 MCR03EZPJ470 47OHM 5 1 10W 1608 R TP R R132 0RJ0472D677 MCR03EZPJ470 47OHM 5 ...

Страница 28: ...MM N R4002 0RN1001F409 RN 96T1F1K00 1KOHM 1 1 6W 3 2X1 8MM 5 0 R4003 0RN6801F409 RN 96T1F6K80 6 8KOHM 1 1 6W 3 2X1 8MM N R4004 0RN2201F409 RN 96T1F2K20 2 2KOHM 1 1 6W 3 2X1 8MM N R4005 0RN1001F409 RN 96T1F1K00 1KOHM 1 1 6W 3 2X1 8MM 5 0 R402 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W 1608 R TP R403 0RJ1000D677 MCR03EZPJ101 100OHM 5 1 10W 1608 R TP R404 0RJ0222D677 MCR03EZPJ220 22OHM 5 1 10W 1608 R TP...

Страница 29: ...T 8OHM L1007 6210TCE001A Filter Bead HB 1S2012 080JT 8OHM L102 6210TCE001G Filter Bead HH 1M3216 501JT 500OHM L103 6210TCE001G Filter Bead HH 1M3216 501JT 500OHM L1100 6210TCE001G Filter Bead HH 1M3216 501JT 500OHM L1101 6210TCE001A Filter Bead HB 1S2012 080JT 8OHM L1102 6210TCE001A Filter Bead HB 1S2012 080JT 8OHM L1104 61409B0002A Coil Choke DBF 1030A 30uH 2 5A L111 6200J00005E Filter Bead HH 1M...

Страница 30: ...OUND 3MM SUPER PA5000 6712SCA232A Receiver Module TSOP34838SO1 2 7TO5 5V 1 5MA TU600 EBL35311203 Tuner Tuner Modulator TAFT Z003D 42 25MHZTO85 X100 6202VDT002B Crystal SX 1 14 31818MHZ 30PPM 16PF 14 31818MHZ A1 MFL33997811 Manual Owners PRINTING USER LP63A A2 3828TUL306A Manual PAL MODEL ALL SAFETY INF A3 6410TEW010A Power Cord CEE LP 34A H05VV FX3C A4 MKJ32816602 Remote Controller MOLD ABS 380 A5...

Страница 31: ......

Страница 32: ......

Страница 33: ...PRINTED CIRCUIT BOARD MAIN TOP MAIN BOTTOM CONTROL LED ...

Страница 34: ...Feb 2007 Printed in Korea P NO MFL37421406 ...

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