LG Electronics 60LN549E-ZE service manual

Printed in KoreaP/NO : MFL67800112 (1309-REV00)

CHASSIS : LD3AG

MODEL : 60LN549E 60LN549E-ZE

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

LED TV

SERVICE MANUAL

North/Latin America http://aic.lgservice.com

Europe/Africa http://eic.lgservice.com

Asia/Oceania http://biz.lgservice.com

Internal Use Only

Contents

Main Page SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE General Guidance Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page SPECIFICATION 1. Application range 2. Requirement for Test 3. Test method 4. Model General Specification Page 5. Supported video resolutions (2D) 5.1. Component Input (Y, CB/PB, CR/PR) 5.3. RGB Input (PC) - FHD Model 5.2. RGB Input (PC) - HD Model 5.3. HDMI Input(PC/DTV) ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Main PCB check process * Boot file Download 4. Total Assembly line process 4.1. Adjustment Preparation * Auto-control interface and directions * Manual W/B process using adjust Remote control. 4.2. DPM operation confirmation (Only Apply for MNT Model) 4.3. DDC EDID Write (RGB 128Byte ) 4.4. DDC EDID Write (HDMI 256Byte) 4.5. EDID data 4.5.1. Auto Download 4.6. Outgoing condition Configuration 4.7. HI-POT Test 4.7.1. HI-POT auto-check preparation 4.7.2. HI-POT auto-check 4.7.3. Checkpoint 5. Model name & Serial number D/L 5.1. Signal Table 5.2. Comand Set 5.3. Method & notice * Manual Download(Model Name and Serial Number) 6. CI+ Key Download method 6.1. Download Procedure 7. Commercial Feature inspection 7.1. LG Logo inspection 7.2 Welcome Screen Function check 7.3. USB Cloning Function check CASE 1. Clock LED Model CASE 2. No Clock LED Model 7.4. Check Commercial features concerning Output.(IR Out/SPK Out/External Clock) 7.4.1. External SPK Out and Volume control 7.4.2. IR Out Page TROUBLESHOOTING GUIDE 1. Check the booting Voltage 2. Digital TV Video 3. Analog TV Video 4. Component Video 5. RGB Video (LN549E Only) 6. HDMI Video 7. Audio of All input 8. TV Audio 9. AUDIO IN (Component/DVI Audio) (PC Audio:LN549E Only) BLOCK DIAGRAM S7LR2 (LGE2111A- T8) NEC Micom CI EXPLODED VIEW FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AB3 OLED NonOS:ErrorOut OS:DualStream RGB/SPDIF/PC/HP/USB EARPHONE BLOCK USB2_DIODES LGE2112-T8 AR102 PM MODEL OPTION I2C Internal demod out LGE2112-T8 AR101 AT24C256C-SSHL-T IC104 256K * Option name of this page : CI_SLOT CI Region (because of Hong Kong) CLOSE TO MSTAR EMEA INTERACTIVE PCMCI 19 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS REAR COMPONENT PHONE JACK FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS +5V_Normal 4 Vout=0.827*(1+R1/R2)=1.225V +1.5V_DDR +3.3V_Normal +2.5V/+1.8V S7LR core 1.2V volt FROM LIPS & POWER B/D FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS STA380BWF 5 IC500 EMEA INTERACTIVE AUDIO AMP IR & LED FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 6 CONTROL EMEA INTERACTIVE IR/CONTROL FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS [51Pin LVDS Connector] (For FHD 60/120Hz) 7 EMEA INTERACTIVE LVDS WAFER FOR FHD REVERSE(10bit) FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS HDMI_2 HDMI 8 For CEC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS RS232C_9PIN RS232C EMEA INTERACTIVE 10 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LGE2112-T8 S7LR_DIVX_MS10 IC1201 IC1202 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC1300 IC1300-*1 W25Q80BVSSIG MX25L8006EM2I-12G UART/I2C SWITCH MSTAR ADJ EXT_SPK_CONTROL/DEBUG EXT_SPK OUT EXT_SPK AMP ETHERNET LAN 21 * H/W option : ETHERNET FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TU2603 P4R_GLOBAL_TUNER_BLOCK ERROR & VALID PIN Close to TUNER VREF=1.25V Vo=VREF*(1+R2/R1) DVB-S2 LNB Part Allegro PCB_GND and A_GND are connected DCDC_GND and A_GND are connected in pin#27 Input trace widths should be sized to conduct at least 3A DCDC_GND and A_GND are connected LGE7303C W25X20BVSNIG Debugging for URSA5 1513 URSA5 block FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS H5TQ1G63EFR-PBC 2013. 01 .23 15 URSA DDR3 14 +1.5V_FRC TYPICAL 350mA CORE +1.26V_FRC TYPICAL 980mA +3.3V_FRC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AB3 OLED NonOS:ErrorOut OS:DualStream RGB/SPDIF/PC/HP/USB EARPHONE BLOCK USB2_DIODES LGE2112-T8 AR102 PM MODEL OPTION I2C Internal demod out LGE2112-T8 AR101 AT24C256C-SSHL-T IC104 256K * Option name of this page : CI_SLOT CI Region (because of Hong Kong) CLOSE TO MSTAR EMEA INTERACTIVE PCMCI 19 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS REAR COMPONENT PHONE JACK FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS +5V_Normal 4 Vout=0.827*(1+R1/R2)=1.225V +1.5V_DDR +3.3V_Normal +2.5V/+1.8V S7LR core 1.2V volt FROM LIPS & POWER B/D FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS STA380BWF 5 IC500 EMEA INTERACTIVE AUDIO AMP IR & LED FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 6 CONTROL EMEA INTERACTIVE IR/CONTROL FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS [51Pin LVDS Connector] (For FHD 60/120Hz) 7 EMEA INTERACTIVE LVDS WAFER FOR FHD REVERSE(10bit) FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS HDMI_2 HDMI 8 For CEC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS RS232C_9PIN RS232C EMEA INTERACTIVE 10 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LGE2112-T8 S7LR_DIVX_MS10 IC1201 IC1202 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC1300 IC1300-*1 W25Q80BVSSIG MX25L8006EM2I-12G UART/I2C SWITCH MSTAR ADJ EXT_SPK_CONTROL/DEBUG EXT_SPK OUT EXT_SPK AMP ETHERNET LAN 21 * H/W option : ETHERNET FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TU2603 P4R_GLOBAL_TUNER_BLOCK ERROR & VALID PIN Close to TUNER VREF=1.25V Vo=VREF*(1+R2/R1) DVB-S2 LNB Part Allegro PCB_GND and A_GND are connected DCDC_GND and A_GND are connected in pin#27 Input trace widths should be sized to conduct at least 3A DCDC_GND and A_GND are connected LGE7303C W25X20BVSNIG Debugging for URSA5 1513 URSA5 block FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS H5TQ1G63EFR-PBC 2013. 01 .23 15 URSA DDR3 14 +1.5V_FRC TYPICAL 350mA CORE +1.26V_FRC TYPICAL 980mA +3.3V_FRC