LG 37LC4R Manual De Servicio
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LG 37LC4R Manual De Servicio

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TELEVISOR A LCD
MANUAL DE SERVICIO
CHASIS : LP78B
MODELO : 37LC4R
ATENCIÓN
Antes de dar servicio al chasis, lea las PRECAUCIONES DE SEGURIDAD
en este manual.
37LC4R-MD
R
Internal Use Only
website:http://biz.LGservice.com

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  • Página 1 Internal Use Only website:http://biz.LGservice.com TELEVISOR A LCD MANUAL DE SERVICIO CHASIS : LP78B MODELO : 37LC4R 37LC4R-MD ATENCIÓN Antes de dar servicio al chasis, lea las PRECAUCIONES DE SEGURIDAD en este manual.

  • Página 2: Tabla De Contenido

    DIAGRAMA EN BLOQUE ...............27 VISTA EN DESPIECE ................29 LISTA DE PARTES DE REPUESTOS ............ 31 PAGINA DE SVC ..................- 2 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 3: Precauciones De Seguridad

    El uso de partes de reemplazo que no tengan las mismas caracteristicas de seguridad, como se especifica en la lista de partes, puede crear Radiacion de Rayos-X. - 3 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 4: Especificaciones

    Luz de fondo 37” 20 EEFL (LC260WX2-SLB3) 42” 20 CCFL Colores en pantalla 16,7M (16,777,216) (LPL 26”) Revestimiento 3H,AG - 4 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 5: Módulo Lcd

    59.87 79.50 WXGA XGA only 1360*768 47.720 59.799 84.75 WXGA XGA only 1366*768 47.720 59.799 84.75 WXGA XGA only - 5 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 6 HDTV 1080I 50Hz 1920*1080 67.432 59.94 148.350 HDTV 1080P 1920*1080 67.5 148.5 HDTV 1080P 1920*1080 56.250 148.5 HDTV 1080P 50Hz - 6 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 7: Especificación Mecánica

    Previo al embalaje 926.6 280.4 697.6 EQUIPO (con soporte) Tras el embalaje Producto Peso Sólo el EQUIPO Con CAJA 16.3 - 7 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 8: Especificación

    Esta hoja de especificaciones es aplicable a todas las TV (PP78A/B) PDD de 42/50 pulgadas y TV (LP78A/B) LCD de 4.1. Descargar instalación del programa 26/32/37/42 pulgadas fabricadas en plantas LG de TV de (1) Extraer un archivo Zip todo el mundo.

  • Página 9: Descarga Del Programa De Sw

    => Presione "OK" => Finalice el programa, tras guardar el archivo "download_cs.vi2c" (Si hace clic en , el mensaje aparecerá automáticamente) - 9 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 10 (A) Presione S/W ‘ON" (conecte SCL a GND mediante el interruptor en el adaptador) y conecte el adaptador de descarga a la toma D-sub Push S/W - 10 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 11 "abrir". (E) Haga doble clic en el cuadro azul y confirme que la "Versión del Bootloader" es la 42. - 11 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 12 (G) Haga doble clic en el archivo descargado y se abrirá la ventana "editar". (B) Conecte el adaptador a la TV mediante un cable D-sub - 12 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 13: Descarga De La Memoria De Canales

    (L) Si la descarga falla, por ejemplo "Sin reconocimiento del equipo esclavo", ejecute de nuevo la descarga en (1) - 13 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 14: Ajuste De La Portadora De Color (Proceso De Inspección)

    (Utilice la tecla Ajuste en el mando a distancia). b Presione la tecla "adj" en el mando a distancia correspondiente. - 14 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 15 3) Configure la opción de S/W Nº de repetición : 5 Dirección del dispositivo : A0 PageByte : 8 4) Encienda el equipo - 15 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 16 -> Controlado en la línea de producción: ⓐ ⓑ 0000 Ej.) Mensualmente : ‘03’ -> ‘03’ ⓒ 0010 0020 Año : ‘2005’ -> ‘0F’ 0030 Nombre del modelo: nombre del modelo -> LG TV 0040 ⓓ 0050 ⓓ 0060 0070 ⓔ LG TV 0080...

  • Página 17: Ajuste Para Balance De Blancos

    AGING-OFF a la TV. (Es necesario transmitir el comando AGING-OFF a la TV una vez completado el ajuste.) - 17 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 18: Introducción De Datos De Opción De Envío

    7. Una vez finalizado el ajuste, salga del modo de ajuste mediante la tecla EXIT en el mando a distancia. - 18 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 19: Solución De Problemas

    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. - 19 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 20 P1, 2, After remove P4, P5 output voltage normal? 3, 4, 5 connector of normality: Replace Left X-B/D X-B/D? - 20 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 21 Pin3) Check the power. Check the Tuner. Is the LVDS Cable inserts well. Cable connected well? Change the IC(IC500) - 21 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 22 A/V jack normal? Check the input source. (Check CN703 Pin9) CN703 Pin 1,3 Sam as Block A - 22 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 23 10. In case of becomes unusual display from SCART 2 mode. Is video input of Check the input source. the A/V jack normal? (Check R174) Sam as Block A - 23 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 24 H, V sync of the Check the input source. JK201 normal?(Check R220, R221, R253, R254, R255) Change IC(IC500) - 24 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 25 Check the Tuner In/Out. Only RF is no sound. IC601 operae Replace IC601 nor mall? Normal Replace VSC BD - 25 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 26: Hdmi Mode

    - Enable bit 4 : HDCP authen. attempted Reset TMDS power down/ on register. Normal video, Replace IC303. - 0x60, offset 0x3f => 0xff Normal audio? - 26 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 27: Diagrama En Bloque

    - 27 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 28 MEMO - 28 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 29: Vista En Despiece

    - 29 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Página 30: Lista De Partes En Despiece

    EAM35501401 Filter,AC Line, IF3-N06CEWL1 5.3mH 250VAC 6A 0.22uF 1000pF UL/CSA/VDE/K HOUSING/RING BK DONG IL TECHNOLOGY LTD. EAY38240601 Power Supply Assembly, LGIT_37inch (10000:1) FREE Torando 37inch (10000:1) LCD LGIT LCD Tornado 37inch_100000:1 (Power+Inverter) Big PSU LG INNOTEK.,LTD. EBR36475009 PCB Assembly, MAIN PAKING LP78A 26LC4R/7R Model For NTSC MGJ32901202 Plate, PRESS EGI 1.2 FRAME SBHG-A 37LY3 METAL BAR TOP(C/SKD)

  • Página 31: Lista De Partes De Repuestos

    "Capacitor,Ceramic,ChipCL31A106K5" C525 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C225 EAE32755801 "Capacitor,Ceramic,ChipCL31A106K5" C526 0CK474CH94A "Capacitor,Ceramic,Chip0603F474Z2" C226 EAE32755801 "Capacitor,Ceramic,ChipCL31A106K5" C527 0CE335WK6D8 "Capacitor,AL,ChipMVK4.0TP50VC3.3" C227 EAE32755801 "Capacitor,Ceramic,ChipCL31A106K5" - 31 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 32 "Capacitor,Ceramic,Chip0603B104K5" C609 0CE226WF6DC "Capacitor,AL,ChipMVK5.0TP16VC22M" C710 0CK103CK56A "Capacitor,Ceramic,Chip0603B103K5" C610 0CE475WJ6DC "Capacitor,AL,ChipMVK4.0TP35VC4.7" C711 0CK103CK56A "Capacitor,Ceramic,Chip0603B103K5" C611 0CE475WJ6DC "Capacitor,AL,ChipMVK4.0TP35VC4.7" C712 0CK103CK56A "Capacitor,Ceramic,Chip0603B103K5" - 32 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 33 6210TCE002B "Filter,BeadHB-4M3216-121JT 120OH" D108 EAH33945901 "Diode,TVSCDS3C30GTH 30V 50V 120V" AL309 6210TCE002B "Filter,BeadHB-4M3216-121JT 120OH" D112 EAH33946001 "Diode,TVSCDS3C05GTA 5.6V 6.4V 19" - 33 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 34 0RH4700D622 "Resistor,ChipMCR10EZHJ471 470OHM" L613 EAP32842807 "Inductor,Wire Wound,ChipNR8040T3" R102 0RH1101D622 "Resistor,ChipMCR10EZHJ112 1.1KOH" L614 EAP32842807 "Inductor,Wire Wound,ChipNR8040T3" R102 0RH3301D622 "Resistor,ChipMCR10EZHJ332 3.3KOH" - 34 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 35 0RJ2201D677 "Resistor,ChipMCR03EZPJ222 2.2KOH" 0RH0000D622 "Resistor,ChipMCR10EZHJ000 0OHM 5" R259 0RJ1502D677 "Resistor,ChipMCR03EZPJ153 15KOHM" 0RH0000D622 "Resistor,ChipMCR10EZHJ000 0OHM 5" R260 0RJ6801D677 "Resistor,ChipMCR03EZPJ682 6.8KOH" - 35 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 36 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R339 0RJ0682D677 "Resistor,ChipMCR03EZPJ680 68OHM" R518 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" R340 0RJ0682D677 "Resistor,ChipMCR03EZPJ680 68OHM" R519 0RJ1000D677 "Resistor,ChipMCR03EZPJ101 100OHM" - 36 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 37 0RJ2001D677 "Resistor,ChipMCR03EZPJ202 2KOHM" R608 0RJ1000D477 "Resistor,ChipMCR03EZPF101 100OHM" R812 0RJ1002D677 "Resistor,ChipMCR03EZPJ103 10KOHM" R609 0RJ4701D677 "Resistor,ChipMCR03EZPJ472 4.7KOH" R814 0RJ1002D677 "Resistor,ChipMCR03EZPJ103 10KOHM" - 37 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 38 "Jack,PhonePEJ024-01 1P 4P STRAIG" JK300 6612B00015C "Jack,DINDC1R019WDH. SOCKET 21P S" JK301 6612B00015C "Jack,DINDC1R019WDH. SOCKET 21P S" JK600 6612J10043A "Jack,RCAPPJ200-07 15MM 1RX4C ANG" - 38 - LGE Internal Use Only Copyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Página 39 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Página 40 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Página 41 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Página 42 Aug., 2007 P/NO : MFL39465903 Printed in Korea...

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37lc4r-md

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