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LGE Internal Use Only

Copyright ©2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes

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Содержание 42PW340

Страница 1: ...AUTIONS IN THIS MANUAL CHASSIS PU11A MODEL 42PW340 42PW340 UB 42PW350 42PW350 UA UE 42PW350U 42PW350U UC 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 MFL66306601 1106 REV01 ...

Страница 2: ...right 2011 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 13 EXPLODED VIEW 14 SCHEMATIC CIRCUIT DIAGRAM ...

Страница 3: ...t s Neck 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 phone jacks etc If the exposed met...

Страница 4: ...age 100 V 240 V 50 60 Hz Standard Voltage of each product is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification...

Страница 5: ...00 240V 50 60Hz N America Mark 110V 60Hz 4 Market NORTH AMERICA KOREA 5 Screen Size 42 inch Wide 1024 768 42PW340 UA 50 inch Wide 1024 768 50PW340 UA 50PW350 UB 50 inch Wide 1920 1080 50PZ250 UA 60 inch Wide 1920 1080 60PZ250 UA 6 Aspect Ratio 16 9 7 Tuning System FS 8 Module PDP42T3 1024 768 42PW340 UA PDP50T3 1024 768 50PW340 UA 50PW350 UB PDP50R303 1920 1080 50PZ250 UA PDP60R103 1920 1080 60PZ2...

Страница 6: ...anufacture Line You can see set adjustment status at 9 ADJUST CHECK of the In start menu 3 2 Set Assembly Adjustment 1 EDID The Extended Display Identification Data 2 Color Temperature White Balance Adjustment 3 Make sure RS 232C control 4 Selection Factory output option 4 PCB Assembly Adjustment 4 1 Using RS 232C Adjust 3 items at 3 1 PCB assembly adjustments 3 Adjustment sequence one after the o...

Страница 7: ...reen to NORMAL O After get each the signal wait more a second and enter the IN START with press IN START key of Service remocon After then select 7 External ADC with navigator button and press Enter O After Then Press key of Service remocon Right Arrow VOL O You can see ADC Component1 Success O Component1 1080p RGB 1080p Adjust is same method O Component 1080p Adjustment in Component1 input mode O...

Страница 8: ...C 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 turn on PC and Jig Operate DDC write S W EDID write read It will operate in the DOS mode EDID DATA Model name LG TV HDMI1 EDID table 3D HD US PCM HDMI2 EDID table 3D HD US PCM HDMI3 EDID tab...

Страница 9: ...ite balance 1 Using Instruments 1 Color Analyzer CA 210 CH 9 Using LCD color temperature Color Analyzer CA 210 must use CH 9 which Matrix compensated White Red Green Blue compensation with CS 2100 See the Coordination bellowed one 2 Auto adjustment Equipment It needs when Auto adjustment It is availed communicate with RS 232C Baud rate 115200 3 Video Signal Generator MSPG 925F 720p 216Gray Model 2...

Страница 10: ...nation bellowed one 2 Manual adjustment sequence is like bellowed one Turn to Ez Adjust mode with press ADJ button of service remocon Select 10 Test Pattern with CH button and press enter Then set will go on Heat run mode Over 30 minutes set let on Heat run mode Let CA 210 to zero calibration and must has gap more 10cm from center of PDP module when adjustment Press ADJ button of service remocon a...

Страница 11: ...Auto test sequence 2 Connect D Jack AV jack test equipment 3 Turn on Auto controller GWS103 4 4 Start Auto GND test 5 If its result is NG then notice with buzzer 6 If its result is OK then automatically it turns to ESD Test 7 Operate ESD test 8 If its result is NG then notice with buzzer 9 If its result is OK then process next steps Notice it with Good lamp and STOPER Down 8 3 Check Items 1 Test V...

Страница 12: ...ment Value default 128 V G Offset adjustment Value default 128 V B Offset adjustment Value default 128 10 2 White balance Value 10 3 Temperature Threshold V Threshold Down Low 20 V Threshold Up Low 23 V Threshold Down High 70 V Threshold Up High 75 11 USB DOWNLOAD epk file download V Put the USB Stick to the USB socket V Press Menu key and move OPTION V Press FAV Press 7 times V Select download fi...

Страница 13: ... 13 LGE Internal Use Only Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Страница 14: ...ve 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 A10 A9 LV1 A12 A21 ...

Страница 15: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 16: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 17: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 18: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 19: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 20: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 21: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 22: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 23: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 24: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 25: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 26: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 27: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Страница 28: ......

Страница 29: ...ATSC Group GP2 R Team Great Company Great People Last updated 2010 10 18 GP2 R Training manual GP2 R Training manual Contents Block Diagram System Design Trouble Shooting Guide ...

Страница 30: ...OMP1 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 L R L R L R HDMI 1 HDMI 2 HDMI 3 TMDS DDC TMDS DDC Video Front End Audio Front End HDMI RX LVDS out FHD 1920 1080 HD SD Video Encoder STA368 Digital AMP I2S MCLK Audio DSP SPDIF Out UART RX TX DDC SIF Cable ISDB T PAL NTSC Rear USB SVC only Side USB USB2 0 LVDS Con HD FHD 3D LVDS Con HD FHD 3D IF ATSC TMDS DDC RGB...

Страница 31: ...able ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB 1 Power Up Boot Fail Trouble Shooting Rear 0...

Страница 32: ...training and service purposes LGE Internal Use Only Reset Design Audio Amp Demodulator GPIO Reset Active Low S7R Main Soc H W Reset Active High Tuner GPIO Reset Active Low GPIO Reset Active Low 3DF Reset GPIO Reset Active Low RF emitter Reset GPIO Reset Active Low ...

Страница 33: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only S7R Power Sequence Power Up Sequence ...

Страница 34: ...r training and service purposes LGE Internal Use Only S7R Power Sequence Time Description Min Typ Max Unit t1 XTAL stable to Reset falling 5 ms t2 Reset pulse width 5 ms t3 1 26V to Reset falling 5 ms t4 3 3VDDP to Reset falling 5 ms Power Up Timing Requirements ...

Страница 35: ...Copyright 2011 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only S7R Power Sequence t2 Reset Pulse Width 40ms Æ OK ...

Страница 36: ... Use Only a AC On b DC Remocon On 1 X tal 2 3 3V 3 1 26V 4 Reset S7R Power Sequence 1 X tal 2 3 3V 3 1 26V 4 Reset t1 Reset Pulse Width 400ms Æ OK t3 Reset Pulse Width 400ms Æ OK t4 Reset Pulse Width 400ms Æ OK t1 Reset Pulse Width 120ms Æ OK t3 Reset Pulse Width 120ms Æ OK t4 Reset Pulse Width 120ms Æ OK ...

Страница 37: ...on tON_IODDR 1 us DDR power on time after core power on tON_CDDR 200us Core power on time after I O power on tON_IOC Max Typ Min Description Power sequence Recommendation Digital Analog I O Power 3 3V Core Power 1 0V DDR2 I O Power 1 8V tON_IO C tON_CDD R tON_IODD R CLK_XIN from 25MHz PORST_N 201us DDR power on time after Core power on tON_IODDR 1 us DDR power on time after I O power on tON_CDDR 2...

Страница 38: ...C4 DDC_SCL3 DDC_SDA3 5V_HDMI_2 5 0V DDCDD_DA GPIO30 EEPROM HDMI1 0XA0 EEPROM HDMI1 0XA0 DDCDC_CK GPIO27 AA4 AB4 DDC_SCL4 DDC_SDA4 5V_HDMI_Side 5 0V DDCDC_DA GPIO28 EEPROM RGB 0XA0 EEPROM RGB 0XA0 DDCA_CK UART0_RX B5 A5 RGB_DDC_SCL RGB_DDC_SDA 5V_ST DDCA_DA UART0_TX S7R I2S_IN_SD GPIO176 SPDIF_IN GPIO177 F13 G14 P_SCL P_SDA 3 3V_AVDD EEPROM HDMI1 0XA0 EEPROM HDMI1 0XA0 D4 E4 DDC_SCL2 DDC_SDA2 5V_HD...

Страница 39: ...witch Q501 Q501 PM4 PM4 IC506 IC506 AZ1085S AZ1085S 5V 3 3V IC602 MN884433 IC600 IC600 AZ11117 AZ11117 1 2V_DE 3 3V_DE IC801 2 4 AT24C02 5V IC1000 NL17SZ00 IR IC1101 AP2191 Side USB SVC USB 2A VDDC 3A 1 26V_MIU1VDDC 3A 1 26V_MIU0VDDC AVDD_DDR0_1 5 AVDD_DDR1_1 5 AVDD_DMPLL_3 3 AVDD_NODIE_3 3 VDD33_DVI VDD33_3 3 AU33_3 3 FRC_LPLL_3 3 AVDD2P5_2 5 AVDD25_PGA_2 5 AU25_2 5 ADC2P5_2 5 5A IC102 IC102 HDCP...

Страница 40: ...ting 5 Component Video Trouble Shooting 6 RGB Video Trouble Shooting 7 AV Video Trouble Shooting 8 HDMI Video Trouble Shooting 9 All Source Audio Trouble Shooting 10 Digital TV Audio Trouble Shooting 11 Analog TV Audio Trouble Shooting 12 Component RGB AV Audio Trouble Shooting 13 HDMI Audio Trouble Shooting 14 USB Trouble Shooting 15 3D Trouble Shooting Trouble Shooting Guide for LG Service Man P...

Страница 41: ...LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB 1 Power Up Boot Fail Trouble Shoo...

Страница 42: ... voltage level 3 3V RL_ON Replace one of IC101 Recheck N Y Check Voltage Level 1 5V At L502 N Check R503 voltage level ON OFF Control Replace one of IC101 Recheck N Y Check Voltage Level 2 5V at L510 N Replace one of IC101 and application circuit Recheck N Y Check X200 Clock24MHz N Replace X200 Y Check signal transition at IC103 N Maybe Serial Flash Memory problem Check signal transition IC104 Y C...

Страница 43: ... TP1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 2 No OSD ...

Страница 44: ...ne of L507 Recheck Y Check P1401 P1402 TXAC TXAC TXBC TXBC Display Enable N Y Check LVDS Cable N Replace Cable Y Check PDP Module Check 5V Voltage Level at L507 L501 N Replace one of L507 501 Recheck Y Maybe S7R IC101 has troubles It should satisfy the Pixel Clock on CAS Electrical Specifications Power Supply Sequence Input Signal Timing Specification Control Signal Register Check CAS Check P501 5...

Страница 45: ...sing edge when Power On Td_on msec 6000 1500 Time interval between DISPEN falling edge and 90 of Vs when Power Off Td_off Recommended 2sec msec 300 10 Rising Time of Va 10 to 90 TVaR msec 400 100 Rising Time of Vs 10 to 90 TVsR msec 500 50 Falling Time of Va 90 to 10 TVaF msec 20 Time interval between 10 of Vs and 90 of Vcc when Power Off TOff msec 1250 750 Time interval between 90 of Vcc and 10 o...

Страница 46: ...K Check SCL SDA line Check Signal output N Y SCL continue SDA continue ACK By Slave 9 1 D0 D7 9 ACK By Slave Command Data for Addr Stop By Master D6 SCL 8 SDA 0 0 1 1 1 A7 W Start By Master Chip ID Address Byte 0x1C ACK By Slave 0 1 9 1 A6 A1 A0 Command Address Addr A 7 0 0 Write only Master Image Board Slave PDP Module Sample Signal SCL SDA ACK signal Check Low OK High Error Replace Control Board...

Страница 47: ...VBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 3 Digital TV Vi...

Страница 48: ...eck TP Clock Data Sync R630 R631 R632 R633 N Maybe Demodulator has problems Y Maybe MstarS7R IC101 has problems Check Tuner TU1300 Power 5 0V 3 3V 1 2V N Replace one of Bead Recheck Y Check IF Signal pin 17 18 N Maybe Tuner has problems Y Check Demodulator Power Brazil Model only 3 3V 1 2V L609 IC600 N Replace L609 IC600 Y Check Demodulator X TAL X602 N Replace X TAL Y ...

Страница 49: ...VBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 4 Analog TV Vid...

Страница 50: ...e Only 4 Analog TV Video Trouble Shooting Check RF Cable Y Check CVBS Signal TU1300 11 Pin N Y Check CVBS Signal 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 L506 L509 IC600 Recheck Maybe Tuner TU1300 has problems Maybe Mstar S7R IC101 has problems ...

Страница 51: ...VBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 5 Component Vid...

Страница 52: ...ooting Check Signal Format Is it supported signal Y Check Component Jack JK1000 N Y Check Component Signal R1074 R1073 R1076 R1001 R1004 R1067 N Replace one of R1074 R1073 R1076 R1001 R1004 R1067 Recheck Y Check Component Signal R173 R175 R177 R180 R182 R184 N Replace it Y Y Check Component Cable Replace Jack Maybe Mstar S7R IC101 has problems ...

Страница 53: ...1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 6 RGB Video ...

Страница 54: ... Video Trouble Shooting Check Signal Format Is it supported signal Y Check RGB Jack P900 N Y Y Check RGB Cable Replace Jack Check RGB Signal R166 R168 R170 N Replace It Recheck Y Check Sync Signal N Replace one of R163 R164 Recheck Y Check EEPROM IC901 N Replace it or re burn Recheck Y Maybe Mstar S7R IC101 has problems ...

Страница 55: ...P1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 7 AV Video ...

Страница 56: ...AV Video Trouble Shooting Y Check Jack JK1000 JK1002 N Y Check CVBS Signal R1003 R1044 N Y Check CVBS Signal R187 R188 C226 C227 N Replace one of R187 R188 C226 C227 Recheck Y Y Replace Jack Maybe Mstar S7R IC101 has problems Check Signal Format Is it supported signal Check AV Cable Replace one of R1003 R1044 Recheck ...

Страница 57: ...1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 8 HDMI Video...

Страница 58: ...ce purposes LGE Internal Use Only 8 HDMI Video Trouble Shooting Check Signal Format Is it supported signal Y Check HDMI Jack JK801 JK803 JK804 N Y Y Check HDMI Cable Replace Jack Check I2C Signal R829 R830 R848 R849 R862 R863 N Replace It Recheck Y Maybe Mstar S7R IC101 has problems ...

Страница 59: ...VBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 9 All Source Au...

Страница 60: ...ar any audio Y Check Connector P700 N Y Y Check Speaker Replace Connector Check Signal L700 L701 L702 L703 N Replace one of Capacitor Register Recheck Y Check IC700 Power 17V 3 3V L511 L509 N Replace It Recheck Y Check Mstar S7R I2S Output R711 R712 R713 R714 N Replace It Recheck Y Maybe Mstar S7R IC101 has problems Replace Speaker N N Maybe STA368 has problems Replace It ...

Страница 61: ...BS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 10 Digital TV Au...

Страница 62: ...ing 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 S7R internal audio DSP has problems Replace It N Follow procedure digital TV video trouble shooting N ...

Страница 63: ...VBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 11 Analog TV Au...

Страница 64: ...ing N Check video output Y Check SIF Signal TU1300 9 Pin N Y N Y Follow procedure All source audio trouble shooting N Maybe Mstar S7R audio block has problems Replace It N Y Check Tuner Power 5 0V 3 3V 1 2V Replace one of L506 L509 IC600 Recheck Maybe Tuner TU1300 has problems Replace one of C252 R246 R1332 Q1304 R1325 IC600 Recheck Check SIF Signal SIF waveform sample Defend on the input signal ...

Страница 65: ...LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 12 Component RGB AV...

Страница 66: ...205 R166 R167 R168 R169 R170 R171 R127 C215 C216 C203 C217 C218 C219 C204 R187 R188 C226 C227 N Replace Jack Check Video Output Replace one of 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 C219 C204 R187 R188 C226 C227 Recheck N Follow procedure external input video trouble shooting Y Follow procedure All source au...

Страница 67: ... CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 13 HDMI Audio...

Страница 68: ...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 S7R audio block has problems Replace it N Follow procedure HDMI video trouble shooting N Replace IC801 IC802 IC804 ...

Страница 69: ... TP1 CVBS_LIVE SIF1 Cable ISDB T PAL NTSC System Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 14 USB Tr...

Страница 70: ...led by inrushing current In this case remove the device and try to reboot the TV AC power off on Check USB 2 0 Cable Y Check JK1102 Normal JK1100 SVC only N Y Y Check USB device If device is 2 5 inch HDD Check power adaptor Replace Jack Check 5V voltage level IC1101 2 Normal L1100 SVC only N Replace one of IC1101 L1100 Recheck Y MaybeMstar S7R IC101 has problems Replace It ...

Страница 71: ...em Scalar IF I2S_S7R STA368 STA368 AV1 AV1_LR COMP1_LR COMP2_LR RGB_LR EXT_IN AV2 AV2_LR NANDFlash 256MB NANDFlash 256MB Audio Out USB2 0 SPDIF SIF_LIVE I2S_S7R Comp1 2 RGB HDMI_Rear D port HDMI_Side C port SIDE HDMI_PORT UI_HW_PORT1 HDMI_C Demodulator MN884433 TP1 Serial_Flash 1MB Serial_Flash 1MB USB Rear USB SVC only Side USB Rear 0 Side 1 15 3D Trouble Shooting LG8300 LG8300 Serial_Flash 2Mb S...

Страница 72: ...el 3 3V at IC1406 L1404 N Y Check Voltage Level 1 0V at L1403 N Y Check Voltage Level 1 8V at IC1407 2 pin N N Y N Replace X200 N Check X1400 Clock25MHz Y Check reset signal at R1464 N Check signal transition IC1402 Y Y N Maybe NAND Flash Memory or LG8300 have troubles Y Check DDR Memory Replace one Check S7R Main chip and Soc_Reset N Check P1404 5 High 11 High 12 60Hz N Y Check RF emitter board o...

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