LG 37LB7DF Скачать руководство пользователя страница 25 | Manualshive

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Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

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STI5100G

FLI8548

LCD PANLE

PDP PANLE

CXA2069Q

TDFB-T102P

‘TAUV-H301P

SDRAM
256Mbit

Flash memory

32Mbit

MSP4450K

STA335BW

Flash memory

32Mbit

SDRAM
256Mbit

STDMI002A

HDMI

SWITCH

AM_AUDIO

AV_LR OUT

S-VIDEO

AV1 CVBS

AV1 LR

TUNER CVBS

PC SOUND

MNT_LR OUT

MNT_VIDEO OUT(CVBS)

COMP1 YPbPr

COMP2 YPbPr

RGBHV

TMDS

COMP2 LR

COMP1 LR

I2S

SPK

DIGITAL TS

656 data

BLOCK DIAGRAM

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Содержание 37LB7DF

Страница 1: ...LCD TV SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LT75A MODEL 37LB7DF 37LB7DF DA ...

Страница 2: ...ht reserved Only for training and service purposes LGE Internal Use Only 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 12 TROUBLE SHOOTING 17 BLOCK DIAGRAM 25 EXPLODED VIEW 29 REPLACEMENT PARTS LIST 31 SVC SHEET ...

Страница 3: ...fe 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 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 term...

Страница 4: ...e on your body by touching a known earth ground Alternatively 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 charg...

Страница 5: ...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 leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replac...

Страница 6: ...ated for about 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC Specification EMC CE IEC No Item Specification Remark 1 Display Screen Device 37 42 wide Color Display Module LCD 2 Aspect Ratio 16 9 3 LCD Module 37LB7DF LC370WU3 SLA1 42LB7DF LC420WU6 SLA2 4 Operating Environment Temp 0 40 deg LG SPEC Humidity 10 ...

Страница 7: ...6 Coating Hard coating 3H Anti glare 7 Operating Temperature 0 40 deg Altitude Environment Humidity 10 90 0 to 1400feet 8 Storage Temperature 20 50 deg Altitude Environment Humidity 10 90 0 to 4000feet 7 Mechanical specification 1 37LB7DF No Item Content Unit Remark 1 Product Widt W Length D Height H mm Dimension Before Packing 927 280 5 692 8 mm With Stant After Packing 1021 296 877 mm 2 Product ...

Страница 8: ...Y 0 277 0 292 0 307 Picture Dynamic Cool Red X 0 62 0 635 0 65 Y 0 33 0 345 0 36 Green X 0 27 0 285 0 3 Y 0 601 0 616 0 631 Blue X 0 13 0 145 0 16 Y 0 047 0 062 0 077 5 Color coordinate uniformity 0 03 Average 0 03 85IRE Full White Pattern 216 gray Picture Dynamic Cool 6 Contrast Ratio CR with 7000 1 10 000 1 Full white 100IRE at dark room PWM Dimming Full black 0IRE pattern Picture Dynamic Cool I...

Страница 9: ...13 0 616 Blue X 0 141 0 144 0 147 Y 0 062 0 065 0 068 5 Color coordinate uniformity 0 03 Average 0 03 85IRE Full White Pattern 216 gray Picture Dynamic Cool 6 Contrast Ratio CR with 7000 1 10 000 1 Full white 100IRE at dark room PWM Dimming Full black 0IRE pattern Picture Dynamic Cool Input HDMI1 2 CR with PWM Dimming CR without 650 1 1 000 1 Input DTV Analog AV Comp RGB HDMI PWM Dimming CR withou...

Страница 10: ...1920 1080 33 75 60 00 74 250 HDTV 1080I 9 1920 1080 67 50 60 00 148 50 HDTV 1080P 11 RGB Input PC No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remarks 1 720 400 31 468 70 08 28 32 2 640 480 31 469 59 94 25 17 VESA 848 480 60Hz 852 480 60Hz 37 500 75 00 31 50 Display 640 480 60H 3 800 600 37 879 60 31 40 00 VESA 46 875 75 00 49 50 4 832 624 49 725 74 55 57 283 Macintosh 5 1024 768 48...

Страница 11: ...920 1080 33 75 60 00 74 250 HDTV 1080I 13 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz 14 1920 1080 27 000 24 00 74 250 HDTV 1080P 24Hz 15 1920 1080 56 250 50 148 500 HDTV 1080P 50Hz 16 1920 1080 67 433 59 94 148 352 HDTV 1080P PC mode Display 1920 1080 60Hz 17 1920 1080 67 500 60 148 500 HDTV 1080P No Resolution H freq kHz V freq kHz Pixel clock MHz Propose Remarks 1 720 400 31 468 70 08 28 32 2...

Страница 12: ...0 0x07 1E 00 51 80 00 1F 4E 18 00 00 21 8E C4 00 55 40 0x06 0C 20 31 40 20 90 D0 0A 8C 9E 00 00 21 8E C4 80 0x05 25 2C 10 20 16 1C 72 D0 80 1D 01 1E 00 00 21 8E 0x04 C4 00 55 28 6E 20 1E D0 51 72 00 1D 01 1E 00 00 0x03 21 8E C4 40 55 28 B8 20 1E D0 52 BC 00 1D 01 00 0x02 10 00 0C 03 65 00 00 01 83 07 07 09 23 10 22 20 0x01 1F 21 05 14 04 13 12 03 01 11 02 4E F1 21 03 02 0x00 C S 01 20 20 20 20 20 ...

Страница 13: ... Required Equipments 8 Remote controller for adjustment 8 MSPG 925FS Pattern Generator Which has Video Signal 7 Color Bar Pattern shown in Fig 1 Model 207 Pattern 65 5 1 1 Method of Auto RF AV S VIDEO Color Balance NTSC J 1 Input the Video Signal 7 Color Bar signal into AV1 2 Set the PSM to Dynamic mode in the Picture menu Fig 1 3 Press IN START key on R C for adjustment Fig 2 4 Press the G Vol ke...

Страница 14: ...ig 1 3 Press IN START key on R C for adjustment 4 Press the G Vol key to operate the set then it becomes automatically 5 Auto RGB OK means the adjustment is completed 5 3 Adjustment of RGB Required Equipments 8 Remote controller for adjustment 8 MSPG 925FS Pattern Generator Which has XGA 1024 768 60Hz 8 color bar 100 pattern shown in Fig 3 5 3 1 Method of Auto RGB Color Balance 1 Input the PC 1024...

Страница 15: ...n is less than 10ux 2 1 In case of PDP Measure and adjust after sticking the Color Analyzer CA 100 CA 210 to the side of the module 2 2 In case of LCD Adhere closely the Color Analyzer CA 210 to the module less than 10cm distance keep it with the surface of the Module and Color Analyzer s Prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and hea...

Страница 16: ...isplay inside pattern Control is carried out on three color temperature COOL MEDIUM WARM Control is carried out three times 5 When the R G B GAIN is 80 on OSD it is the FULL DYNAMIC Range of the Module In order to control white balance without the saturation of FULL DYNAMIC Range and DATA one of R Gain G Gain B Gain should be kept on 80 and other two is controlled lowering from 80 Color Temperatur...

Страница 17: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 17 TROUBLESHOOTING ...

Страница 18: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 18 ...

Страница 19: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 19 ...

Страница 20: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 20 ...

Страница 21: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 21 ...

Страница 22: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 22 ...

Страница 23: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 23 ...

Страница 24: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 24 ...

Страница 25: ...ANLE PDP PANLE CXA2069Q TDFB T102P TAUV H301P SDRAM 256Mbit Flash memory 32Mbit MSP4450K STA335BW Flash memory 32Mbit SDRAM 256Mbit STDMI002A HDMI SWITCH AM_AUDIO AV_LR OUT S VIDEO AV1 CVBS AV1 LR TUNER CVBS PC SOUND MNT_LR OUT MNT_VIDEO OUT CVBS COMP1 YPbPr COMP2 YPbPr RGBHV TMDS COMP2 LR COMP1 LR I2S SPK DIGITAL TS 656 data BLOCK DIAGRAM ...

Страница 26: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 26 CORTEZ BLOCK ...

Страница 27: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 27 DTV BLOCK ...

Страница 28: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 28 HDMI BLOCK ...

Страница 29: ...0N Many electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW 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 Do not modify the original design without permission o...

Страница 30: ...16VC100M 100uF C534 0CE227WF6DC Capacitor AL Chip MVK8 0TP16VC220M 220uF C548 0CE107WF6DC Capacitor AL Chip MVK6 3TP16VC100M 100uF C549 0CE107WF6DC Capacitor AL Chip MVK6 3TP16VC100M 100uF C605 0CE477WF6DC Capacitor AL Chip MVK10TP16VC470M 470uF C606 0CE477WF6DC Capacitor AL Chip MVK10TP16VC470M 470uF C607 0CE227WF6DC Capacitor AL Chip MVK8 0TP16VC220M 220uF C611 0CE227WF6DC Capacitor AL Chip MVK8...

Страница 31: ...T 100nF 1 C1239 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C124 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C125 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C1256 EAE32755801 Capacitor Ceramic Chip CL31A106K5HNNNE 10uF 1 C1257 EAE32755801 Capacitor Ceramic Chip CL31A106K5HNNNE 10uF 1 C1258 EAE32755801 Capacitor Ceramic Chip CL31A106K5HNNNE 10uF 1 C126 0CK...

Страница 32: ... C1450 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C1451 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C1452 0CC150CK41A Capacitor Ceramic Chip C1608C0G1H150JT 15pF 5 C1453 0CC150CK41A Capacitor Ceramic Chip C1608C0G1H150JT 15pF 5 C1454 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C1455 0CK103CK56A Capacitor Ceramic Chip 0603B103K500CT 10nF 10 C1456 0CK563CK5...

Страница 33: ...0nF 1 C430 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C516 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C518 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C520 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C521 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C525 0CK104CF56A Capacitor Ceramic Chip 0603B104K160CT 100nF 1 C526 0CK104CF56A...

Страница 34: ...00nF 1 C792 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C794 0CK103CK56A Capacitor Ceramic Chip 0603B103K500CT 10nF 10 C795 0CC220CK41A Capacitor Ceramic Chip C1608C0G1H220JT 22pF 5 C798 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C799 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C800 0CK104CK56A Capacitor Ceramic Chip 0603B104K500CT 100nF 1 C802 0CK104CK56...

Страница 35: ... GDZJ5 1B 5 1V 4 94TO5 ZD1300 0DZRM00248A Diode Zener RLZ8 2B 8 2V 7 78TO8 1 IC1004 EAN33595101 IC Analog Multiplexer STHDMI002A 3 135TO3 46 IC1400 0ISO206900A IC Analog Switch CXA2069Q 8 5TO9 5V IC1301 0ILNR00261C IC Audio Amplifier STA335BW 5TO26V 0 10 IC102 0ISTLPH026A IC CMOS 74LVC14APW 1 2TO3 6V 0 IC1101 0IPH741400E IC CMOS 74HC14D 2TO6V 0 002mA IC1104 0ITO741570C IC CMOS TC74LCX157FT 2TO3 6V...

Страница 36: ...409 EAM37276902 Filter LCR LCF20P101 TM LPF EMI L1410 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L901 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L902 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L903 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L904 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L905 EAM33010401 Filter LCR MEM2012P25R0 EMI 25MHZ L908 EAM33010401 Filter LCR MEM2012P25R0 EMI ...

Страница 37: ...RD3301Q609 Resistor Carbon Film RDM94T1J3K30 3 3KOHM 5 R107 0RD1101Q609 Resistor Carbon Film RDM94T1J1K10 1 1KOHM 5 R108 0RD1100Q609 Resistor Carbon Film RDM94T1J110R 110OHM 5 R1363 0RD3301A609 Resistor Carbon Film RDM92T1J3K30 3 3KOHM 5 R100 0RH0000D622 Resistor Chip MCR10EZHJ000 0OHM 5 1 R100 0RH0000D622 Resistor Chip MCR10EZHJ000 0OHM 5 1 R101 0RH0000D622 Resistor Chip MCR10EZHJ000 0OHM 5 1 R10...

Страница 38: ...00 0OHM 5 1 R119 0RJ0000D677 Resistor Chip MCR03EZPJ000 0OHM 5 1 R120 0RJ1802D677 Resistor Chip MCR03EZPJ183 18KOHM 5 R1202 0RJ0682D677 Resistor Chip MCR03EZPJ680 68OHM 5 R1203 0RJ4703D677 Resistor Chip MCR03EZPJ474 470KOHM 5 R121 0RJ1202D677 Resistor Chip MCR03EZPJ123 12KOHM 5 R1211 0RJ4703D677 Resistor Chip MCR03EZPJ474 470KOHM 5 R1213 0RJ4703D677 Resistor Chip MCR03EZPJ474 470KOHM 5 R1219 0RJ07...

Страница 39: ...2 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R1403 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R1404 0RJ1001D677 Resistor Chip MCR03EZPJ102 1KOHM 5 R1405 0RJ1001D677 Resistor Chip MCR03EZPJ102 1KOHM 5 R1406 0RJ0000D677 Resistor Chip MCR03EZPJ000 0OHM 5 1 R1407 0RJ0000D677 Resistor Chip MCR03EZPJ000 0OHM 5 1 R1408 0RJ0000D677 Resistor Chip MCR03EZPJ000 0OHM 5 1 R1409 0RJ1500D677 Resistor C...

Страница 40: ...0 33OHM 5 R173 0RJ0472D677 Resistor Chip MCR03EZPJ470 47OHM 5 R1730 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1731 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1732 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1733 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1734 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1735 0RJ0332D677 Resistor Chip MCR03EZPJ330 33OHM 5 R1736 0RJ0332D677 Re...

Страница 41: ...CR03EZPJ101 100OHM 5 R237 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R238 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R239 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R241 0RJ1000D677 Resistor Chip MCR03EZPJ101 100OHM 5 R242 0RJ0222C678 Resistor Chip MCR01MZPJ220 22OHM 5 R243 0RJ0222D677 Resistor Chip MCR03EZPJ220 22OHM 5 R244 0RJ0222D677 Resistor Chip MCR03EZPJ220 22OHM 5 R245 0RJ022...

Страница 42: ...KOHM 5 R746 0RJ1002D677 Resistor Chip MCR03EZPJ103 10KOHM 5 R747 0RJ1002D677 Resistor Chip MCR03EZPJ103 10KOHM 5 R748 0RJ1000C678 Resistor Chip MCR01MZPJ101 100OHM 5 R749 0RJ0000C678 Resistor Chip MCR01MZPJ000 0OHM 5 1 R750 0RJ0332C678 Resistor Chip MCR01MZPJ330 33OHM 5 R751 0RJ0222D677 Resistor Chip MCR03EZPJ220 22OHM 5 R752 0RJ0332C678 Resistor Chip MCR01MZPJ330 33OHM 5 R754 0RJ0562D677 Resistor...

Страница 43: ...lex PMJ016 13 13P DIN RCA J1000 6612B00015C Jack DIN DC1R019WDH SOCKET 21P J1001 6612B00015C Jack DIN DC1R019WDH SOCKET 21P J1205 6612F00024C Jack DIN PSJ014 01 SOCKET 4P AN JK100 EAG32151101 Jack Fiber Optic TOX177L F T 3P TX 2 5 J1101 6612F00099A Jack Phone PEJ024 01 1P 4P STRAIG J1203 6612J10031B Jack RCA PPJ209 01 14 0MM 1RX3C J1204 6612J10031B Jack RCA PPJ209 01 14 0MM 1RX3C J1206 6612J10006K...

Страница 44: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 45: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 46: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 47: ...Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Страница 48: ...Nov 2007 Printed in Korea P NO MFL39065803 ...

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