LG 37LC50CB Скачать руководство пользователя страница 25 | Manualshive

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LGE Internal Use Only

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

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EXPLODED VIEW

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 of manufacturer.

IMPORTANT SAFETY NOTICE

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Содержание 37LC50CB

Страница 1: ...SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA64A MODEL 37LC50CB 37LC50CB UA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ... Electronics Inc All right reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 12 TROUBLE SHOOTING 18 BLOCK DIAGRAM 24 EXPLODED VIEW 25 REPLACEMENT PARTS LIST 27 SVC SHEET ...

Страница 3: ... 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 terminals...

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: ...LC420WX6 SLD1 9 Operating Environment 1 Temp 0 40 deg 2 Humidity 80 10 Storage Environment 1 Temp 20 50 deg 2 Humidity 10 90 1 Application range This specification is applied to LA64A chassis 2 Requirement for Test Testing for standard of each part must be followed in below condition 1 Temperature 20 5 C 2 Humidity 65 10 3 Power Standard input voltage 100 240V 50 60Hz Standard Voltage of each prod...

Страница 7: ...5 0 095 WHITE X 0 246 0 287 0 296 Y 0 254 0 289 0 304 3 Brightness uniformity 80 Full white 4 Contrast ratio 600 1 800 1 EZ Picture Daylight Color Temperature Medium 5 Color Temperature Standard 8 300 9 300 10 300 oK Cool 10 000 11 000 12 000 oK Warm 5 500 6 500 7 500 oK 6 Component Video Input Y CB PB CR PR No Resolution H freq kHz V freq kHz Proposed 1 720 480 15 73 59 94 SDTV DVD 480I 2 720 480...

Страница 8: ...0 480 31 47 60 00 SDTV 480P 3 1280 720 44 96 59 94 HDTV 720P 4 1280 720 45 00 60 00 HDTV 720P 5 1920 1080 33 72 59 94 HDTV 1080I 6 1920 1080 33 75 60 00 HDTV 1080I 8 HDMI1 Input PC DTV No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed PC DDC 1 640 480 31 469 59 94 25 17 VESA VGA O 2 640 480 37 861 72 80 31 50 VESA VGA O 3 640 480 37 500 75 00 31 50 VESA VGA O 4 800 600 35 156 56 25 36 00...

Страница 9: ...tment Hard coating 3H 10 2 42LC5DC No Item Value Unit Remark 1 Active Screen Size 1067 308 diagonal mm 42 02 inches 2 Outline Dimension 983 H x576 V x47 3 D mm 3 Pixel Pitch 227 x 681 x RGB um 4 Pixel Format 1366 H x768 V stripe arrangement 5 Color Depth 8bit 16 7 Mbit 6 Luminance White 450 center 1 point typ cd m2 7 Viewing Angle CR 10 R L 178 Typ U D 178 Typ degree 8 Power Consumption 168 36 Wat...

Страница 10: ...144 Y 0 063 WHITE X 0 279 Y 0 292 6 Viewing Angle CR 10 X axis right ø 0 85 89 degree X axis left ø 180 85 89 Yaxis up ø 90 85 89 Z axis down ø 270 85 89 11 2 42LC5DC No Item Min Typ Max Unit Remark 1 Contrast Ratio CR 800 1000 CR with DCR TBD TBD 2 Surface Luminance White 400 450 Cd m2 Full white 3 Luminance Variation 1 3 δ white 5P 4 Response Time Gray to Gray 5 18 msec Rise decay 10 14 5 Color ...

Страница 11: ...e is setting user mode XD Auto Advanced Cinema Off Reset 6 Audio Audio Language Off EZ SoundRite Off EZ Sound Normal Balance 0 Treble 50 Bass 50 Front Surround Off TV Speaker On 7 Timer Auto clock Off Manual Clock Off Off Timer Off On Timer Off Auto Off Off 8 Option Aspect Ratio 16 9 Caption Text Off Caption Option Off Language English ISM Method Normal SET ID 1 9 Lock Lock System Off Set password...

Страница 12: ...ially digital pattern cross hatch pattern an after image may be occur in the black level part of the screen 3 Adjustment items Use cross connected RS 232C Cable Don Øt use straightly connected RS 232C Cable Pin Connection 1 1 2 3 3 2 4 4 5 5 6 6 7 7 8 8 9 9 O Method of PTC MICOM Download O Select method of Module type O Auto AV CVBS Color Balance adjustment Standard equipment 802F Pattern Generato...

Страница 13: ...nce 6 1 1 Required Equipment Remote controller for adjustment AV Pattern Generator 802F Pattern Generator Master MSPG 925FS etc Which has NTSC J Composite Video format output with standard 1 0 Vpp See Fig 1 It is very import to use correct adjustment pattern like Fig 1 6 1 2 Method of Auto AV CVBS Color Balance 1 Input the NTSC J Composite Video Fig 1 into video input MSPG 925FS Model No 207 Patte...

Страница 14: ... Master MSPG 925FS etc Which has XGA 60Hz PC Format output with standard 0 7Vpp See Fig 3 It is very import to use correct adjustment pattern like Fig 3 6 3 2 Method of Auto RGB Color Balance 1 Input the PC 1024x768 60Hz into RGB MSPG 925FS Model No 60 Pattern No 65 2 Set the EZ Pictures to Daylight mode in Video menu 3 Press INSTART key on R C for adjustment 4 Press the G Vol key operate To set t...

Страница 15: ...A Jig for EDID Download 3 Cable Serial 9Pin or USB to D sub 15Pin cable D sub 15Pin cable DVI to HDMI cable 7 1 2 Setting of device When input HDMI EDID data through RGB or HDMI jack writing 8bits of the data at every turn with DDC2B protocol 15 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Default Value on OSD Auto Color Balance ...

Страница 16: ...ustment mode by pressing the INSTART key twice White Balance on R C 3 Stick sensor to center of the screen and select each items using D E CH key on R C 4 Adjust G Gain B Gain using F G VOL key on R C 5 Adjust it until color coordination becomes as below By controlling G B GAIN adjust X Y target value R Gain fixed at cool normal warm mode But Control the R GAIN unless it has correct value Initiall...

Страница 17: ...at means IR in MPI Test Pass NG Sign is NG Confirm the PASS Sign of IR Out Check JIG NG Sign is NG 7 After finish Check Change the Mode D Box On In start Uart Control D Box ON 10 1 2 Needs JIG Equip Cable PC MPI IP In Check Program RS 232C 2Port IR Out Check Jig With level Shifter 232C to Phone jack Cable 5V Adapter 232C Cable Cross 232C Cable Cross 2EZ RJ45 Direct Cable 10 2 Lodgenet Card Auto Ca...

Страница 18: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 18 TROUBLESHOOTING ...

Страница 19: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 19 ...

Страница 20: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 20 ...

Страница 21: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 21 ...

Страница 22: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 22 ...

Страница 23: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 23 ...

Страница 24: ... I2C_Cortez MNT_V_OUT INV_BR DIGITAL_IN 24Bit DE CLK_IN DIGITAL_H V_SYNC ANALOG_IN ANALOG_H V_SYNC ANALOG_IN CABLE_DET ANALOG_IN ANALOG_IN ANALOG_IN ANALOG_IN ANALOG IN INV_BRI DISPLAY_EN AI_ON_OFF OD SEL_1 LVDS_DATA LVDS_DATA DISPLAY_EN INV_CTL IR UART1 UART1 LVDS Conne cto r For LCD POWER HDMI SiI9023 NVRAM EEPROM 16 KB DDRRAM 256 Mb 4 Flash 2MB 1 232C Driver ST3232CDR NVRAM EEPROM 32KB AT49BV16...

Страница 25: ...ODED VIEW 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 permi...

Страница 26: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 27: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 28: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 29: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 30: ...Jun 2008 Printed in Korea P NO MFL36550709 ...

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