Manuals / Brands / TV and Video / Flat Panel Television / LG Electronics / TV and Video / Flat Panel Television

LG Electronics 60LN57**-ZE - page 23

1 95
Download 95 pages, 10.45 Mb
Contents
Main CONTENTS 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. Component Video Input (Y, Pb, Pr) 6.2. PC mode 6. HDMI Input 6.1. DTV mode 7. 3D Mode 7.1. HDMI 1.4b (3D supported mode automatically) 7.3. RF Input(3D supported mode manually) 7.4. RF Input (3D supported mode automatically) 7.2. HDMI Input(1.3) 7.5. USB Input (3D supported mode manually) 7.8. Component Input(3D) (3D supported mode manually) 7.6. HDMI-PC Input (3D supported mode manually) 7.7. DLNA Input (3D supported mode manually) 7.9. 3D Input mode ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Automatic Adjustment 3.1. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L, HDCP14/20 D/L 3.3. LAN PORT INSPECTION(PING TEST) 3.3.1. Equipment setting 3.3.2. LAN PORT inspection(PING TEST) 3.4. Model name & Serial number Download SET PC 4. Manual Adjustment 4.1. EDID DATA 4.1.1. 3D EDID 4.1.2. 2D EDID 4.2. White Balance Adjustment 4.2.1. Overview 4.2.2. Equipment 4.2.3. Equipment connection MAP 4.2.4. Adj. Command (Protocol) 4.2.5. Adj. method 4.2.6. Reference (White balance Adj. coordinate and color temperature) 4.2.7. ALELF & EDGE LED White balance table Page 4.7. LNB voltage and 22KHz tone check 4.8. Option selection per country 4.8.1. Overview 4.8.2. Method 5. Tool Option selection 6. Ship-out mode check(In-stop) 7. GND and Internal Pressure check 7.1. Method 7.2. Checkpoint 9. USB S/W Download(Service only) * After downloading, have to adjust Tool Option again. BLOCK DIAGRAM LGE2122 EXPLODED VIEW Page Page CONTENT EPI Interface EPI(Embedded Point-Point Interface) Features Merits 4/ 88 EPI Interface (mini-LVDS vs. EPI) Comparison EPI (Embedded clock P-to-P Interface) HF mini-LVDS What to change Page NFC (Near field communication) Main PCB for Broadband xxLA660S-Zx 1. LGE2122 Block Diagram LGE 2122 IC105 LGE 2122 2. LGE 2122 I2C Block Diagram 3. Power Block Diagram 3.5V 24V 5V USB 3A ) ( 4. Tuner/CI Block Diagram LGE 2122 TDSQ- G501D CI Slot 5. Video/Audio In Block Diagram LGE 2122 JK4600 Jack Side SoC Side JK501 6. Audio Out Block Diagram SPDIF_OUT [ASPDIF0] IC8101 Audio AMP NTP7513 HP_L/ROUT_AMP 7. HDMI SIL1292 TMDS Link 8bits HDMI3 EPI Tx Block LGE 2122 GMA1/GMA3/GAM9/GMA10/GMA16/GMA18 50Pin X 2 8. Panel Interface Block Diagram Page 10. USB / WIFI / M-REMOTE / UART LGE 2122 USB1 OCP Motion Remote Receiver Interconnection - 1 LED driver / PSU [PCBs] [Cables] 47LA660S-ZA Interconnection - 2 [Cables] [PCBs] 47LA660S-ZA Introductions of 13Y RF assy + Magic Remote control 3. MR13 Block Diagram 1. System Pairing Information Transmission (Send to TV after Paired) The receiver sends the pairing success packet to TV directly. Voice Data Transmission 5 / 88 2. Remote Buttons (M4 vs. MR13) RF_CODE M4 Remote MR13 Remote IR_CODE repeat 3. MR13 Block Diagram Key Button Connector (Knowles) Power Management 4. Function list 5. RF Pairing / Un-pairing Method Method Description at the same time for 5 sec. RF Pairing unpairing. Page WIFI Built in assy feature - Pin map Block diagram Page Widevine & HDCP 2.0 & NETFLX Contents 1. Widevine? dowmload by NSU is impossible.) Widevine Key is unique data stored TV for using Widevine. 2. HDCP 2.0 & NETFLIX? 3. DTCP? [Three cryptographic Keys] 4. Changed BOM As-Was Current Contents of LCD TV Standard Repair Process C. Audio error First of all, Check whether there is SVC Bulletin in GCSC System for these model. 18 / 88 Contents of LCD TV Standard Repair Process Detail Technical Manual Continue to the next page 19 / 88 Check Power Board A7 & A3 LCD TV symptom A. Video error No video/ Normal audio A4 A1 A2 A28 First of all, Check whether all of cables between board is inserted properly or not. 20 / 88 A4 21 / 88 A. Picture Problem A7 A6 . By using Digital signal level meter . By using Diagnostics menu on OSD A. Picture Problem (DVB-S/S2) A7 S/W Upgrade A6 Normal A. Video error A10/ A11 Color error A8 error? Vertical/Horizontal bar, residual image, light spot For other panel For LGD panel Vertical / Horizontal bar, residual image, light spot, external device color error 2012. 12 .06 26 / 88 B. Power error symptom A19 Off when on, off while viewing, power auto on/off and check each 3 C. Audio error No audio/ Normal video A24 A25 Established date Revised date LCD TV C. Audio error symptom Revised date Wrecked audio/ discontinuation/noise Connect and check D. General Function Problem A27 Y A4 Remote control & Local switch checking D. Function error symptom LCD TV 31 / 88 E. Noise LCD TV 32 / 88 Zoom part with A28 F. Exterior defect symptom LCD TV 33 / 88 G. Network Error - Check ethernet Port LCD TV SVC Y G. CI+ Competibility Error LCD TV Check defect CI slot pin Check its worked CI+ 1.2 or 1.3 Setting Antenna CI information 35 / 88 Contents of LCD TV Standard Repair Process Detail Technical Manual audio/discontinuation case of audio error Continued from previous page A. Video error_No video/Normal audio LCD TV 37 / 88 A. Video error_No video/ Audio LCD TV Check the DC 24V, 12V, 3.5V. 24 Pin (Power Board Main Board) Page Page Page 41 / 88 A. Video error_Video error, video lag/stop <ALL MODELS> A. Video error_Color error You can view 6 types of patterns using the ADJ Key Appendix : Exchange EPI Cable or Main B/D (1) Appendix : Exchange EPI Cable or Main B/D (2) Page Page Source TAB IC Defect Appendix : Exchange the Module (2) Un-repairable Cases In this case please exchange the module. ST-BY Condition: in the main menus. Power On Condition: 49 / 88 24 Pin (Power Board Main Board) B. Power error _No power Check the DC 24V, 12V, 3.5V. 50 / 88 Checking method when power is ON Check power on pin is high B. Power error _No power LCD TV 24 Pin (Power Board Main Board) Page Checking method LCD TV LCD TV D. VCOM Adjustment 1. Case 2. Equipment 3. Adjust sequence LCD TV