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LG Electronics 50PT490B manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones LG Electronics 50PT490B. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica LG Electronics 50PT490B o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual LG Electronics 50PT490B se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales LG Electronics 50PT490B, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones LG Electronics 50PT490B debe contener:
- información acerca de las especificaciones técnicas del dispositivo LG Electronics 50PT490B
- nombre de fabricante y año de fabricación del dispositivo LG Electronics 50PT490B
- condiciones de uso, configuración y mantenimiento del dispositivo LG Electronics 50PT490B
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de LG Electronics 50PT490B no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de LG Electronics 50PT490B y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico LG Electronics en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de LG Electronics 50PT490B, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo LG Electronics 50PT490B, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual LG Electronics 50PT490B. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    PLASMA TV SER VICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : PB1 1K MODEL : 50PT490B 50PT490B-SA MODEL : 50PT490B 50PT490B-SD North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com Internal Use Only Printed in Korea P/NO : MFL[...]

  • Página 2

    - 2 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes CONTENTS CONTENTS ...................................................................................................................... ......... 2 SAFETY PRECAUTIONS .........................................................[...]

  • Página 3

    - 3 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by i n the Schematic Diagram and Exploded View. It is essential that these specia[...]

  • Página 4

    - 4 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes SPECIFICA TION NOTE : Specifications and others are subject to change without notice for improvement . 1. Application Range (1) This spec sheet is applied all of PDP TV with PB11K chassis. 2. Specification Each part is tested[...]

  • Página 5

    - 5 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes 4. General Specification No Item Specification Remark 1. Receiving System 1) SBTVD / NTSC / PAL-M / PAL-N PW350B, PV550B, PT250B, PT350B 2) DVB-T PW350E, PV550E, PT250E, PT260E 2. Available Channel 1) VHF : 02~13 PW350B, PV55[...]

  • Página 6

    - 6 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes ADJUSTMENT INSTRUCTION 1. Application Range This spec. sheet applies to PB11K Chassis applied PDP TV all models manufactured in TV factory. 2. Specification (1) Because this is not a hot chassis, it is not necessary to use an[...]

  • Página 7

    5. Factory Adjustment PU11A / PB11A : USE INTERNAL ADC(S7R) : using internal pattern. 5-1. Auto Adjust Component 480i/1080p RGB 1080p (1) Summary : Adjustment component 480i/1080i and RGB 1080p is Gain and Black level setting at Analog to Digital converter, and compensate the RGB deviation (2) Using instrument 1 ) Adjustment remocon, 801GF(802B, 80[...]

  • Página 8

    * Edid data and Model option download(RS232) 5-5. Manual Download (1) Write HDMI EDID data 1) Using instruments - Jig. (PC Serial to D-Sub connection) for PC, DDC adjustment. - S/W for DDC recording (EDID data write and read) - D-sub jack - Additional HDMI cable connection Jig. 2) Preparing and setting. - Set instruments and Jig. Like pic.5), then [...]

  • Página 9

    HDMI-3 EDID table(2D HD) - North America & South Centural America (PT350B, PT250B/E, PT260E/PT490/U/R) RGB EDID table(2D HD) - North America & South Centural America (PT350B, PT250B/E, PT260E/PT490/U/R) * See Working Guide if you want more information about EDID communication. 5-6. Adjustment Color T emperature (White balance) (1) Using Ins[...]

  • Página 10

    V RS-232C COMMAND(Commonly apply) O wb 00 00”: Start Auto-adjustment of white balance. O “wb 00 10”: Start Gain Adjustment (Inner pattern) O “jb 00 c0” : O … O “wb 00 1f”: End of Adjustment * If it needs, offset adjustment (wb 00 20-start, wb 00 2f- end) O “wb 00 ff”: End of white balance adjustment (inner pattern disappear) V A[...]

  • Página 11

    6. T est of RS-232C control. - Press In-Start button of Service Remocon then set the “4.Baud Rate” to 115200. Then check RS-232C control and 7. Selection of Country option. - Selection of country option is allowed only North American model (Not allowed Korean model). It is selection of Country about Rating and Time Zone. (1) Models: All models [...]

  • Página 12

    10-3. T emperature Threshold V Threshold Down Low 20 V Threshold Up Low 23 V Threshold Down High 70 V Threshold Up High 75 1 1. T ouch Pen Operating check (Pen touch model only) - applied model : 50PT490B / 50PT490E / 60PZ850B (1) Press Pen mode hot key to insert check mode in POWER ONLY condition. (Green Pen mode key on center of remocon) (2) Pen [...]

  • Página 13

    - 13 - LGE Internal Use Only Copyright ©2011 LG Electronics Inc. All rights reserved. Only for training and service purposes BLOCK DIAGRAM[...]

  • Página 14

    - 14 - LGE Internal Use Only EXPLODED VIEW 200 580 300 400 120 209 240 590 201 501 520 601 206 205 204 203 202 602 304 302 303 301 305 207 570 900 208 920 910 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 tha[...]

  • Página 15

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. PCM_A[3] PCM_A[0] PCM_A[1] PCM_A[2] PCM_A[4] PCM_A[6] PCM_[...]

  • Página 16

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D2-_HDMI4 C249 1uF DDC_SCL_3 R227 1M P_SDA C243 2.2uF AMP_[...]

  • Página 17

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. S7M_POWER_BLOCK +3.3V_ST L324 BLM18SG121TN1D 0.1uF C343 16[...]

  • Página 18

    THERMAL THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. 0.1uF C536 16V C563 15pF 50V C565 10uF 16V[...]

  • Página 19

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. C686 0.01uF EXTERNAL_DEMOD R622 100 EXTERNAL_DEMOD TUNER_I[...]

  • Página 20

    THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. L702 10.0uH R704 10K READY L701 10.0uH /AMP_RESET [...]

  • Página 21

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. HDMI 5V_DET_HDMI_2 R844 22 HDMI2 R841 1.8K HDMI2 GND C803 [...]

  • Página 22

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. R945 10K C927 0.1uF 16V DSUB_DET +3.3V_ST MDS62110209 M1 R[...]

  • Página 23

    Fiber Optic THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. D1000 5.6V ADMC5M03200L_AMODIODE R1092 82 READ[...]

  • Página 24

    USB DOWN STREAM THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. USB1_DM_to_MAIN +3.3V R1129 10K SIDE USB D[...]

  • Página 25

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. B-MDQU5 B-MCKE C1214 0.1uF B-TMDQU5 C1244 0.1uF VCC_1.5V_D[...]

  • Página 26

    THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. LGIT CAN TUNER TUNER_IF_N TUNER_IF_P C1313 62pF 50V +5V_TU[...]

  • Página 27

    THERMAL THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC. DDR_A[6] DDR_A[4] DDR_A[7] DDR_A[11] DDR_A[10] DDR[...]

  • Página 28

    [...]

  • Página 29

    ATSC  Group  GP2 ‐ R  Team Great Company Great People GP2-R Training manual GP2-R Training manual Contents -B l o c k D i a g r a m - System Design - Trouble Shoot ing Guide[...]

  • Página 30

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only Block Diagram – Overview() S7L IR CVBS RS-232C UART UART DEMOD DEMOD CVBS(ATV) Serial_TS(SBTVD) X-tal (24MHz) NAND Flash Serial Flash DDR3 IF COMP1 COMP2 Y/Cb/Cr Y/Cb/Cr R/G/B RGB-PC Rear AV CVBS Side AV CVBS AV1,2 L/R COMP 1,2[...]

  • Página 31

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7L S7L WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S TAS5709 TAS5709 AV1 AV1_LR COMP1_L R COMP2_L R RGB_[...]

  • Página 32

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only Reset Design TAS5709 (AMP) Demodulato r GPIO Reset Active Low S7 (Main Soc) H/W Reset Active High Tuner GPIO Reset Active Low GPIO Reset Active Low[...]

  • Página 33

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only S7 Power Sequence Appendix  Power Up Sequence Time Power XTAL 3.3V AVDD_DMPLL Reset (HI Active) 1.5V/1.8V with Other Power 1.26V t 1 t 3 3.3V VDDP t 4 t 2 Note: 3.3V_AVDD_MPLL (AVDD_DMPLL) 1.05V (VDDC) 3.3V_VDDP (VDDP) 1.5V/1.[...]

  • Página 34

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only S7 Power Sequence Appendix Time Description Min Typ. Max Uni t t 1 XTAL stable to Reset falling 5 ― ― ms t 2 Reset pulse width 5 ― ― ms t 3 1.26V to Reset falling 5 ― ― ms t 4 3.3VDDP to Reset falling 5 ― ― ms [...]

  • Página 35

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only S7 Power Sequence # t2 : Reset Puls e Width : 40ms Æ OK[...]

  • Página 36

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only a) AC On b) DC(Remocon) On 1 :X-tal 2 : 3.3V 3 : 1.26V 4 : Reset S7 Power Sequence 1 :X-tal 2 : 3.3V 3 : 1.26V 4 : Reset # t1 : Reset Puls e Width : 400ms Æ OK # t3 : Reset Puls e Width : 400ms Æ OK # t4 : Reset Puls e Width : [...]

  • Página 37

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only GP2-R I2C MAP AMP TAS5709 0x36 AMP TAS5709 0x36 TGPIO2/I2C_CLK TUNER LGIT HN(LGT10) 0xC2(PLL)/0x10(Analog Demod) TUNER LGIT HN(LGT10) 0xC2(PLL)/0x10(Analog Demod) TGPIO3/I2C_SDA (R3) (T3) TGPIO0 TGPIO1 (U1) (U2) NVRAM 0xA0 NVRAM [...]

  • Página 38

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only Module Rom download UART Input MOD_ROM_RX 50 SIDE_CVBS Aut o link Input SIDE_CVBS_DE T TCON8/CS2 /FLK3 Compnent2 Auto link Input COMP2_DET 176 AV_CVBS Auto link Input AV_ CVBS_DET 17 Demodulator Reset Output DEMOD_RE SET 16 TUNER[...]

  • Página 39

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only IC101 S7L Regulator IC P_17V IC502 MP2212DN +5V_TU IC700 TAS5709 1 2 5 6 17 8 16V_ Audio +5V AC_DET M_ON 5Vst RL_ON 16 7 14 13 15 $0.72 +5V_ST IC500 AP2121N USB Optic L507 L501 P_+5V IC507 MP8706EN L505 +3.3V_AU_AVDD +3.3V_DVD D [...]

  • Página 40

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 1. Power-Up Boot Fail Trouble Shooting 2. No OSD Trouble Shooting 3. Digital TV Video Trouble Shooting 4. Analog TV Video Trouble Shooting 5. Component Video Trouble Shooting 6. RGB Video Trouble Shooting 7. AV Video Trouble Shoo[...]

  • Página 41

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 42

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 1. Power-Up Boot Fail Trouble Shooting Replace Power board NY Check Micom Redownload or replace Check P500 All Voltage Level (17V, 5V, 3.5/5V_ST) Check Power connector Y Check Voltage Level 3.3V at IC504, R124(Micom ) N If Q501 O[...]

  • Página 43

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 44

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 2. No OSD Trouble Shooting Replace Power board NY Check 5V Voltage Level at P500 Check Power connector Y Check 5V Voltage Level at Q501 N Replace one of Q501 & Recheck Y Check P903 (TXAC-), (TXAC+), (TXBC-), (TXBC+), Display [...]

  • Página 45

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only No OSD Trouble Shooting (Module Power Sequence) msec - 2000 Time interval between 10% of Vcc and 90% of Vcc when Power On T OnR msec 500 90 Falling Time of Vs (90% to 10%) T VsF msec - 3100 Time interval between 90% of Vs and DIS[...]

  • Página 46

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only Module Control Trouble Shooting “TILT” on Adjust Remocon : PDP internal pattern displays? PDP Modu le Power is OK? N PDP Module is O K. Check SCL,SDA line Check Signal output N Y SCL (continue) SDA (continue) ACK By Slave 9 1[...]

  • Página 47

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 48

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 3. Digital TV Video Trouble Shooting Check RF Cable Y Check TP Clock, Data, Sync R630, R631, R632 N Maybe Demodulator has problem s Y Maybe MstarS7(IC 100) has problems Check Tuner(TU1300) Powe r (5.0V, 3.3V, 1.2V) N Replace one [...]

  • Página 49

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 50

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 4. Analog TV Video Trouble Shooting Check RF Cable Y Check CVBS Sig nal TU1300 #11 Pin N Y Check CVBS Sig nal R1334 N Replace one of R1330/Q1305/R154/C213 & Recheck Y N Y Check Tuner Power (5.0V, 3.3V, 1.2V) Replace one of L1[...]

  • Página 51

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 52

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 5. Component Video Trouble Shooting Check Signal Format Is it supported sig nal? Y Check Component Jack JK1001 N Y Check Component Signal R1020/R1021/R1022 R1005/R1012/R1013 N Replace one of R1020/R1021/R1022 R1005/R1012/R1013 &a[...]

  • Página 53

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 54

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 6. RGB Video Trouble Shooting Check Signal Format Is it supported sig nal? Y Check RGB Jack P901 N Y Y Check RGB Cable Replace Jack Check RGB Sign al R907,R908,R909 N Replace It & Rec hec k Y Check Sync Signal N Replace one o[...]

  • Página 55

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 56

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 7. AV Video Trouble Shooting Y Check Jack JK1001/JK1002 N Y Check CVBS Sig nal C1016/C1018 N Y Check CVBS Sig nal R187/R188/C226/C227 N Replace one of R187/R188/C226/C227 & Recheck Y Y Replace Jack Maybe Mstar S7(IC101) has p[...]

  • Página 57

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 58

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 8. HDMI Video Trouble Shooting Check Signal Format Is it supported sig nal? Y Check HDMI Jac k JK803, JK804 N Y Y Check HDMI Cable Replace Jack Check I2C Signal R844/R845 /R858/R859/R848/R849/R862/R863 N Replace It & Recheck [...]

  • Página 59

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_S7 TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RGB[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 9. All Source Audio Trouble Shooting Make sure you can’t hear any audio Y Check Connector P703 N Y Y Check Speaker Replace Connector Check Signal L700, L701 N Replace one of Capacitor, Register & Recheck Y Check IC700 Power[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 10. Digital TV Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting Maybe Mster S7 internal audio DSP has problems. Replace It N Follow procedure digital TV video trouble shooting N[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 64

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 11. Analog TV Audio Trouble Shooting Follow procedure analog TV video trouble shooting N Check video output Y Check SIF Signal TU1300 #9 Pin N Y N Y Follow procedure All source audio trouble shooting N Ma ybe Mstar S7 audio block[...]

  • Página 65

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

  • Página 66

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 12. Component / RGB / AV Audio Trouble Shooting Y Check Jack JK1001/JK1002/P 900 N Y Check Signal C206/C207/C208/C209/C210/C211 C212/C220/C221/C222/C223/C224 C225/C205/R166/R167/R168/R169 R170/R171/R127/C215/C216/C203 C217/C218/C[...]

  • Página 67

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 13. HDMI Audio Trouble Shooting Check video output Y Follow procedure All source audio trouble shooting N Y Re-download EDID data Maybe Mstar S7 audio block has problems. Replace it N Follow procedure HDMI video trouble shooting [...]

  • Página 69

    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only DDR3 256MB(128*2) DDR3 256MB(128*2) S7 S7 WXGA/XGA LVDS (Front-end) (External Input) EXT_IN HDMI_D CVBS_LIVE TP1 CVBS_LIVE SIF1 Cable ISDB-T/ PAL/NTSC (System + Scalar) IF I2S_BCM TAS9709 TAS9709 AV1 AV1_LR COMP1_L R COMP2_L R RG[...]

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    Copyright © 2011 LG Electronics Inc. All ri ghts reserved. Only for training and service purposes LGE Internal Use Only 14. USB Trouble Shooting • Exception - USB power could be disabled by inrushin g current - In this case, remove the device and try to reboot the TV (AC p o wer off/on ) Check USB 2.0 Cable Y Check P1102 (250/350 t ool) P1100 (2[...]