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

LGE Internal Use Only

- 5 -

No

Item

Specification

Measurement

Result

Remark

7.

Power Consumption

Power on (Blue) : LG30/LG50

Volume: 1/8 volume of 

Power on (White) : LG60

sound distortion point 

≤ TBD

37" HD

≤ 250W

42"

HD

≤ 230W

FHD

≤ 320W

47"

HD

≤ 310W

FHD

≤ 350W

52" FHD

St-By (Red)

LG60:St-by Light condition

≤ 1.0 W  (All)

8

LCD Module

Maker

Inch

(H)x(V)x(D)

unit

Remark

(Maker : 

AUO(HD) Outline Dimension

42"

983 x 576 x 52.7

mm

[with inverter]

AUO, CMO, CPT,

Pixel Pitch

0.681 x 0.681

mm

LPL, SHARP)

Back Light

18 CCFL

mm

CMO

Outline Dimension

42"

-

mm

(FHD)

Pixel Pitch

-

mm

Back Light

-

mm

LPL(HD)

Outline Dimension

37"

877 x 516.8 x 55.5

mm

[with inverter]

Pixel Pitch

0.200 x 0.600

mm

Back Light

16 EEFL

mm

Outline Dimension

42"

983 x 576 x 51

mm

[with inverter]

Pixel Pitch

0.227 x 0.681

mm

Back Light

mm

Outline Dimension

47"

1096 x 640 x 51

mm

[with inverter]

Pixel Pitch

0.76125 x 0.76125

mm

Back Light

mm

LPL(FHD) Outline Dimension

42"

983 x 576 x 47.3/(51)

mm

[w/o inverter]/(with inverter)

Pixel Pitch

0.4845 x 0.4845

mm

Back Light

mm

Outline Dimension

47"

1096 x 640 x 50/(51)

mm

[w/o inverter]/(with inverter)

Pixel Pitch

0.5415 x 0.5415

mm

Back Light

mm

SHARP

Outline Dimension

52"

1219.0x706.7x64.64

mm

(W) x (H) x (D)

(FHD)

Pixel Pitch

0.600 x 0.600

mm

(H) x (V)

Back Light

24CCFL

Display Colors

-

-

Coating

3H,AG/ 2H, AG

LPL,CMO,AUO / Sharp

Summary of Contents for 42LG30R

Page 1: ...ISOR A LCD MANUAL DE SERVICIO ATENCIÓN Antes de dar servicio al chasis lea las PRECAUCIONES DE SEGURIDAD en este manual CHASIS LP81A MODELO 42LG30R 42LG30R MA website http biz LGservice com Internal Use Only ...

Page 2: ...erved Only for training and service purposes LGE Internal Use Only 2 CONTENIDO CONTENIDO 2 PRECAUCIONES DE SEGURIDAD 3 ESPECIFICACIONES 4 INSTRUCCIÓN DE AJUSTE 11 SOLUCIÓN DE PROBLEMAS 15 DIAGRAMA EN BLOQUE 20 VISTA EN DESPIECE 21 PAGINA DE SVC ...

Page 3: ...s alrededor de las terminales antes de soldar 4 Cuando reemplace un resistencia de vataje resistor de película de óxido metálico en el Tablero o Plaqueta de circuitos mantenga la resistencia a un mínimo de 10mm de distancia 5 Mantenga los alambres lejos de componentes de alto voltaje o de alta temperatura 6 Este receptor de televisión debe conectarse a una fuente de 100 a 240 V AC 7 Antes de devol...

Page 4: ... 47 TFT WUXGA LCD 47 FHD MAKER LPL 52 TFT WUXGA LCD 52 FHD MAKER SHARP 4 Operating Environment 1 Temp 0 40 deg LGE SPEC 2 Humidity 0 85 5 Storage Environment 1 Temp 20 60 deg 2 Humidity 0 85 6 Input Voltage AC100 240V 50 60Hz 1 Application Range This spec sheet is applied to the 37 42 47 52 LCD TV used LP81A chassis 2 Specification Each part is tested as below without special appointment 2 1 Tempe...

Page 5: ...ine Dimension 42 mm FHD Pixel Pitch mm Back Light mm LPL HD Outline Dimension 37 877 x 516 8 x 55 5 mm with inverter Pixel Pitch 0 200 x 0 600 mm Back Light 16 EEFL mm Outline Dimension 42 983 x 576 x 51 mm with inverter Pixel Pitch 0 227 x 0 681 mm Back Light mm Outline Dimension 47 1096 x 640 x 51 mm with inverter Pixel Pitch 0 76125 x 0 76125 mm Back Light mm LPL FHD Outline Dimension 42 983 x ...

Page 6: ...47 FHD 360 450 SHARP 52 FHD 2 Color Coordinate White X Typ 0 280 Typ AUO 42 42LG30R TA Y 0 03 0 290 0 03 HD Red X 0 640 T420XW01 VB Y 0 330 Green X 0 290 Y 0 600 Blue X 0 150 Y 0 060 White X Typ 0 279 Typ LPL 37 HD 37LG30R 37LG60UR Y 0 03 0 292 0 03 LC370WXN SAA1 Red X 0 636 Y 0 335 Green X 0 284 Y 0 610 Blue X 0 144 Y 0 063 White X Typ 0 279 Typ LPL 42 42LG30RA TA Y 0 03 0 292 0 03 HD Red X 0 635...

Page 7: ...279 Typ LPL 47 FHD 47LG60FR MA Y 0 03 0 292 0 03 LC470WUE SAB1 47LG50FR TA Red X 0 640 LC470WUN SAB1 Y 0 335 Green X 0 289 Y 0 610 Blue X 0 144 Y 0 066 White X Typ 0 272 Typ SHARP 52 52LG50FR TA Y 0 03 0 277 0 03 FHD Red X 0 640 LK520D3LZ17 Y 0 330 Green X 0 280 Y 0 600 Blue X 0 150 Y 0 060 3 Contrast ratio 1000 1 1500 1 AUO 42 HD W O PC mode 840 1 800 1 1200 1 LPL 32 37 HD 800 1 1200 1 LPL 42 HD ...

Page 8: ... Cd m2 3 42 inch HD Contrast Ratio Dynamic CR 9000 1 12000 1 LPL Surface Luminance LWH AV Component HDMI 360 450 Cd m2 white LWH PC 250 Cd m2 4 47 inch HD Contrast Ratio Dynamic CR 9000 1 12000 1 LPL Surface Luminance LWH AV Component HDMI 360 450 Cd m2 white LWH PC 250 Cd m2 5 42 inch FHD Contrast Ratio Dynamic CR 9000 1 12000 1 LPL TBD 15000 1 For 50 60 70 Tool Surface Luminance LWH AV Component...

Page 9: ...25 50 00 74 250 HDTV 1080I 50Hz 11 1920 1080 33 72 59 94 74 176 HDTV 1080I 12 1920 1080 33 75 60 00 74 25 HDTV 1080I 13 1920 1080 56 25 50 148 5 HDTV 1080P 14 1920 1080 67 432 59 94 148 350 HDTV 1080P 15 1920 1080 67 5 60 00 148 5 HDTV 1080P 8 RGB Input Analog PC No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 640 350 31 468 70 80 25 17 EGA 2 720 400 31 469 70 08 28 32 DOS 3 6...

Page 10: ... 160 60 0 122 50 SXGA Only FHD 10 1600x1200 74 077 60 0 130 375 UXGA Only FHD 11 1920x1080 66 647 59 988 138 625 WUXGA Only FHD 10 HDMI input DTV No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 47 59 94 27 SDTV 480P Support not spec 2 720 480 31 5 60 27 027 SDTV 480P support not spec 3 720 576 31 25 50 27 SDTV 576P support not spec 4 1280 720 44 96 59 94 74 176 HDTV...

Page 11: ...st be performed in the circumstance of 25 5 C of temperature and 65 10 of relative humidity if there is no specific designation 2 4 The input voltage of the receiver must keep 100 220V 50 60Hz 2 5 Before adjustment execute Heat Run for 15 minutes at RF no signal 3 Adjustment items 3 1 PCB assembly adjustment items Download the MSTAR main software IC801 Mstar ISP Utility 3 2 SET assembly adjustment...

Page 12: ...Khz 4 Read and write bin file Click 1 Read tab and then load download file XXXX bin by clicking Read 5 Click Auto 2 tab and set as below 6 click Run 3 7 After downloading check OK 4 message USB DOWNLOAD 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick 12 LGE Internal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purpo...

Page 13: ...from 0x06 0x0B addresses in a page 0xBC Manual ADC process using Service Remocon After enter Service Mode by pushing ADJ key execute Auto RGB by pushing _ key at Auto RGB 4 2 2 Component input ADC 4 2 2 1 Component Gain Offset Adjustment7 Convert to Component in Input source Input the Component Which has 720p 60Hz YPbPr signal 100 Color Bar MSPG 925F Model 217 Pattern 65 into Component Adjust by c...

Page 14: ...djust mode release by exit key and release DDC adjust mode 3 Enter the adjust mode of white balance Enter the white balance adjustment mode with aging command F3 00 FF Luminance min value is 200cd ß in the cool mode For LCD 6 Adjustment of White Balance Adjustment mode Two modes Cool and Warm Medium data is automatically calibrated by the Cool data Color analyzer CA100 CA210 should be used in the ...

Page 15: ...ont LED 2 Check process 1 No power No Yes Is plug in Power cord inserted After all cables connect is removed to PSU The AC voltage marking is authorized on manual When ST By 5V is not operated replace PSU Plug in power cord No Yes Is the Line Filter and PSU connected Connect a cable to SC100 No Yes Is the fuse of PSU normal F101 Replace the fuse No Yes Is it connected that PSU and P1100 in Main Bo...

Page 16: ...tion where the front LED is green 2 Check process 2 No Raster No No No No No Yes Yes Yes CN700 PDP LCD Replace the VSC Does mimute discharge a Module Is the Link cable normal Is the IC801 s output normal Check the LCD Module Reconnect the Panel line cable HD P403 FHD 402 Is the inverter VaVs on Is output the normality Low High voltage except Stand by 5V Replace the Power board ...

Page 17: ...ck process 3 Unusual display from RFmode No Yes Yes No No Is Video output of the Tuner normal Check TU500_Pin13 Is the Input voltage normal Check Pin3 Block A Is the I2C communication normal Check Pin9 Pin10 No Yes Is the LVDS cable connected well Change the IC IC801 Check the power Cable inserts well Check the Tuner ...

Page 18: ...ormal Check R8044 Same as Block A Same as Block A Same as Block A Check the input source Check the input source Check the input source Check the input source Change IC801 Change IC801 Change IC801 Is Video input of the Comp1 jack normal Check R8011 8012 8013 Is Video input of the Comp2 jack normal Check R8030 8032 8033 Is Video input of the Comp2 jack normal Check R8035 8037 8039 Check the input s...

Page 19: ...d Only AV COM2 PC input is no soudn Only RF is no sound Check the Tuner In Out Check the signal after IC600 refer to circuit diagram Is the output of IC600 normal Download the EDID data No No No No No Yes Yes Yes Yes Menu Normal Normal No No No No Yes Yes Yes Replace IC600 Is the speaker on it men Set on speaker in menu Check the Speaker cable Replace IC801 Replace IC601 Is the speaker cable norma...

Page 20: ...3000A Digital Audio AMP MAIN NVM MC74HC4066 Audio SW LM324 X4 AMP SERIAL FLASH BD2041 Protect IC EDID NVM DDC HDP CEC TMDS HDMI in DDC HPD CEC TMDS HDMI in TMDS HDMI in USB AV I O Data I O 5V CVBS OUT 656 IN SW_RESE T PART_I2 C PART_I2C SW_RESE T I2S OUT LVDS MPEG RX TX MPEG RESET I2S IN 656 IN TMDS HDMI in DDC HPD CEC DDC HPD CEC CEC not through HDMI MUX direct JACK to MAIN IC DDC DDC DDC UART_Rx...

Page 21: ...ctrical 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 manufactu...

Page 22: ... TMDS3_RX1 TMDS2_RXC 0 R370 READY TMDS1_RX2 4 7K R375 READY 0 R373 TMDS2_RX1 TMDS1_RX0 3 3V_HDMI_SW 5V_ST 4 7K R361 0 R356 TMDS2_RX2 5V_HDMI_1 TMDS3_RX2 TMDS3_RX2 0 R358 HDMI_1 0 01uF 50V READY C307 TMDS2_RX0 TMDS2_RX0 TMDS1_RX1 4 7K R374 KDS184S KDS184 D300 A2 C A1 10K R329 TMDS2_RX1 TMDS3_RX0 0 01uF C311 0 01uF C312 TMDS1_RX2 5V_HDMI_3 TMDS3_RX1 TMDS2_RX2 HDMI_2 HDMI_SEL2 TMDS1_RX2 5V_HDMI_1 10K...

Page 23: ...Solution p l a c e d a s c l o s e t o C o n n e c t o r a s p o s s i b l e External F W Download Capacitors on VBUSA should be F o r I n i t i a l D o w n l o a d DEC_656 0 DUPTD0 Analog Video Option ZORAN I2C strobe ready DUPTD0 R715 Recommendation is 6 19k 1 Originally 392 ohm 1 DEBUG TEST OPTION R732 Video Output Level Refere nc t o m e e t U S B 2 0 H S c e r t ZORAN SRAM Board F W Download ...

Page 24: ... R1166 5V_ST SI4925DY 0TF492509AA Q1101 3 S2 2 G1 4 G2 1 S1 5 D2_1 6 D2_2 7 D1_1 8 D1_2 365 1 R1137 0 1uF C1115 0 1uF C1136 0 R1132 100uF 16V C1110 AZ1117H ADJTRE1 EH11A IC1103 2 OUTPUT 3 INPUT 1 ADJ GND 5V_ST 12K R1110 100uF 16V C1105 0 01uF C1144 12V 4 7K R1122 NOT SHARP 32 52 AUO P_12V 220uF 16V C1138 0 1uF C1142 100uF 16V C1149 0 R1115 SC4215ISTRT IC1100 3 VIN 2 EN 4 NC_2 1 NC_1 5 NC_3 6 VO 7 ...

Page 25: ...Apr 2008 Printed in Korea P NO MFL41394423 ...

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