LG Electronics 60LN57**-ZE manuals
TV and Video > Flat Panel Television
When we buy new device such as LG Electronics 60LN57**-ZE we often through away most of the documentation but the warranty.
Very often issues with LG Electronics 60LN57**-ZE begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Flat Panel Television LG Electronics 60LN57**-ZE is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Flat Panel Television on our side using links below.
LG Electronics 60LN57**-ZE Service Manual
95 pages 10.45 Mb
2 CONTENTS3 SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICEGeneral GuidanceBefore returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) Leakage Current Hot Check (See below Figure) Leakage Current Hot Check circuit 4 SERVICING PRECAUTIONS6 SPECIFICATION13 ADJUSTMENT INSTRUCTION1. Application Range 2. Designation 3. Automatic Adjustment3.1. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN D/L, HDCP14/20 D/L 3.2. LAN Inspection3.2.1. Equipment & Condition 3.2.2. LAN inspection solution 3.2.3. WIDEVINE key Inspection 14 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 PC3.4.1. Model name & Serial number D/L 3.4.2. Method & notice 3.5. CI+ Key checking method3.5.1. Check the method of CI+ Key value 3.5.2. Check the method of CI+ key value(RS232) 3.6. WIFI MAC ADDRESS CHECK 15 4. Manual Adjustment4.1. EDID DATA4.1.1. 3D EDID 4.1.2. 2D EDID 16 4.2. White Balance Adjustment4.2.1. Overview 4.2.2. Equipment 4.2.3. Equipment connection MAP 4.2.4. Adj. Command (Protocol) 17 4.2.5. Adj. method4.2.6. Reference (White balance Adj. coordinate and color temperature) 4.2.7. ALELF & EDGE LED White balance table 4.7. LNB voltage and 22KHz tone check 4.8. Option selection per country4.8.1. Overview 4.8.2. Method 19 5. Tool Option selection6. Ship-out mode check(In-stop) 7. GND and Internal Pressure check7.1. Method 7.2. Checkpoint 8. Audio 20 9. USB S/W Download(Service only)* After downloading, have to adjust Tool Option again. 21 BLOCK DIAGRAM22 EXPLODED VIEW25 CONTENT 32 IC105 LGE 21222. LGE 2122 I2C Block Diagram 33 3. Power Block Diagram 3.5V24V5V USB 3A AMP LNB option PANEL_POWERNTP_7400(PVDD1) NTP_7400(PVDD2) 5V Normal 3A 3.3V DAC 1.2V Core 6A MTK(AVDD12_LVDS) MTK AVDD_ MICOM(VDD) IR A'ssy 1.5V DDR 3A MTK (DDRV) DDR(VDD) DDR(VDDQ) TUNER(+1.23V) 12V5V USB 3.3V Noraml 4A 1.8V_TU 1.23V 2A 34 4. Tuner/CI Block Diagram35 5. Video/Audio In Block Diagram36 6. Audio Out Block Diagram SPDIF_OUT IC8101 Audio AMP NTP7513 DVB only AMP_MUTE TUNER_SIF LPF COMP1/AV1/DVI_L_IN_SOC COMP1/AV1/DVI_R_IN_SOC SC_L_IN / SC_R_IN Tuner SCART DTV/MNT_L/R_OUT SCART_L/Rout AUD_LRCH HP_L/ROUT_MAIN HEAD PHONE LPF 4P WAFER LGE 2122 [AOSDATA0] AUD_LRCK AUD_SCK [AOBCK] [STB_SDA] [STB_SCL] I2C_SDA1 I2C_SCL1 IC3000 MICOM [AIN1_L_AADC] [AIN1_R_AADC] [AIN4_L_AADC] [AIN4_R_AADC] JK501 DVB only AUD_MASTER_CLK JK4600 IC6100 TPA6138A2PWR HP AMP JK3602 SPEAKER_L SPEAKER_R IC6000 AZ4580MTR OP AMP Mute CTRL (TR) SCART_MUTE SCART JK4600 37 7. HDMI SIL1292 HDMI3 HDMI1 HDMI2 RENESAS MICOM LGE 2122 DDC_SCL_1_SOC X-tal 32.768kHz TMDS Link 8bits TMDS Link or MHL Link 38 EPI Tx Block LGE 2122 GMA1/GMA3/GAM9/GMA10/GMA16/GMA18 50Pin X 2 8. Panel Interface Block Diagram PMIC TPS65198 EPI CH4 +/- EPI CH5 +/- EPI CH6 +/- EPI CH1 +/- EPI CH2 +/- EPI CH3 +/- CLK1_I~CLK6_I GMA4/GMA5/GAM7/GMA12/GMA14/ GMA15 TR/ 40 10. USB / WIFI / M-REMOTE / UART LGE 2122 USB1 OCP Motion Remote Receiver RENESAS MICOM 4Pin debugging wafer 41 Interconnection - 1 LED driver / PSU [PCBs] [Cables] 42 Interconnection - 2 43 Introductions of 13Y RF assy + Magic Remote control 44 1. System Pairing Information Transmission (Send to TV after Paired) The receiver sends the pairing success packet to TV directly. Voice Data Transmission 2. Remote Buttons (M4 vs. MR13) M4 Remote MR13 Remote 45 46 3. MR13 Block Diagram Key Button Connector (Knowles) Power Management Antenna Remocon Sensor RF 47 4. Function list 48 5. RF Pairing / Un-pairing Method Method Description at the same time for 5 sec. RF Pairing unpairing. When do pairing, the remote receiver(stand alone). After unpairing, LED should be 50 WIFI Built in assy feature - Pin map 52 Widevine & HDCP 2.0 & NETFLX 53 1. Widevine? dowmload by NSU is impossible.) Widevine Key is unique data stored TV for using Widevine. 54 2. HDCP 2.0 & NETFLIX? 55 3. DTCP? [Three cryptographic Keys] 56 4. Changed BOM 57 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. 58 Contents of LCD TV Standard Repair Process Detail Technical Manual Continue to the next page 19 / 88 Check Power Board A7 & A3 or module N Always check & record S/W Version and White Established (Main B/D Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,) 59 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. 61 A. Picture Problem A7 A6 . By using Digital signal level meter . By using Diagnostics menu on OSD Contact with signal distributor LCD TV 62 A. Picture Problem (DVB-S/S2) A7 A6 Normal Y Check RF signal cable (DVB satellite signal or not) Check whether other equipments have problem or not. (By connecting RF Cable at other equipment) Set-Top-Box, Different maker TV etc LCD TV symptom - Check satellite Normal 23 / 88 A12 63 A. Video error A10/ A11 A8 error? Established date Revised date symptom 2012. 12 .06 24 / 88 Vertical/Horizontal bar, residual image, light spot For other panel For LGD panel Vertical / Horizontal bar, residual image, light spot, external device color error A12 64 External device screen error-Color error Connect other external device and cable (Check normal operation of Check screen Established symptom date Revised date A8 A10/ A11 A28 25 / 88 B. Power error Close A18 A4 A17 A19 Standard Repair Process Established date Revised date LCD TV symptom . Stand-By: Red . Operating: white 65 2012. 12 .06 26 / 88 66 B. Power error symptom A19 Off when on, off while viewing, power auto on/off A22 LCD TV "POWEROFF_CPUABNORMAL" Power off by CPU Abnormal * Please refer to the all cases which can be displayed on power off mode. 27 / 88 67 C. Audio error No audio/ Normal video A24 A25 Established date Revised date LCD TV 2012. 12 .06 28 / 88 abnormal audio/discontinuation/noise is same after Check input signal compared to No audio A25 68 C. Audio error symptom Revised date Wrecked audio/ discontinuation/noise Established LCD TV D. General Function Problem A27 A4 Remote control & Local switch checking 69 1. Remote control(R/C) operating error 75 Contents of LCD TV Standard Repair Process Detail Technical Manual
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