LG Electronics 42LA86**-Z* manuals
Car Audio and Video > Car Satellite TV System
When we buy new device such as LG Electronics 42LA86**-Z* we often through away most of the documentation but the warranty.
Very often issues with LG Electronics 42LA86**-Z* 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 Car Satellite TV System LG Electronics 42LA86**-Z* is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Car Satellite TV System on our side using links below.
LG Electronics 42LA86**-Z* Service Manual
127 pages 12.15 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. ADC Adjustment3.1.1. Overview 3.1.2. Equipment & Condition 3.1.3. Adjustment 3.2. MAC address D/L, CI+ key D/L, Widevine key D/L, ESN key D/L, HDCP key D/L, DTCP key D/L 14 3.3. LAN Inspection3.3.1. Equipment & Condition 3.3.2. LAN inspection solution 3.3.3. WIDEVINE key Inspection 3.4. LAN PORT INSPECTION(PING TEST)3.4.1. Equipment setting 3.4.2. LAN PORT inspection(PING TEST) 3.5. Camera Port Inspection SET PC 15 3.6. Model name & Serial number Download3.6.1. Model name & Serial number D/L 3.6.2. Method & notice 3.7. CI+ Key checking method3.7.1. Check the method of CI+ Key value 3.7.2. Check the method of CI+ key value(RS232) 3.8. WIFI MAC ADDRESS CHECK 16 4. Manual Adjustment4.1. EDID(The Extended Display Identific ation Data)/DDC(Display Data Channel) download4.1.1. Overview 4.1.2. Equipment 4.1.3. Download method 4.1.4. EDID DATA 17 4.2. White Balance Adjustment4.2.1. Overview 4.2.2. Equipment 4.2.3. Equipment connection MAP 4.2.4. Adj. Command (Protocol) 18 4.2.5. Adj. method4.2.6. Reference (White balance Adj. coordinate and color temperature) 4.2.7. EDGE LED White balance table 19 4.3. Local Dimming Function Check4.4. Magic Motion Remote control test 4.5. 3D function test 20 4.6. Wi-Fi Test4.7. LNB voltage and 22KHz tone check 4.8. Inspection of light scattering 4.9. Option selection per country4.9.1. Overview 4.9.2. Method 4.10. MHL Test 4.11. HDMI ARC Function Inspection 4.12. Camera Function Inspection 4.13. Ship-out mode check(In-stop) 4.14. Tool Option selection 4.15. GND and Internal Pressure check4.15.1. Method 4.15.2. Checkpoint 21 5. Audio22 6. USB S/W Download(Service only)* After downloading, have to adjust Tool Option again. 23 EXPLODED VIEWFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC102 R1EX24256BSAS0A I2C PULL UP Model Option 24 IC100 LG1154D_H13DNVRAM DebugINSTANT_MODE0 System Configuration Clock for LG1154D Jtag I/F For Main BSD-NC4_H001-HD 2012-11-14 H13 D CHIP FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS H13A_NON_BRAZIL +2.5V_Bypass Cap +1.5V_Bypass Cap +3.3V_Bypass Cap +1.0V_Bypass Cap +2.5V_Bypass Cap MAIN POWER 25 LG1154A(2) AFE 3CH Power +2.5V +3.3V_Bypass Cap LG1154A LG1154DBSD-NC4_H002-HD 2012-12-24GND JIG POINT SMD TOP for EMI FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BSD-NC4_H004-HD 2012-11-13 26 LG1154DLG1154ADIMMING NCPlaced as close as possible to IC4300 AFE 3CH REF SettingMAIN AUDIO/VIDEO Near Place Scart AMP H13A_NON_BRAZIL IC100 LG1154D_H13D OP MODE Setting & Select XTAL Input Place JACK Side Clock for H13A Place SOC Side AUDIO IN 28 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BSD-NC4_H007-HD 2012-10-20 PCMCIA FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS POWERIC2302 AP7173-SPG-13 HF(DIODES) Switching freq: 700K Vout=0.765*(1+R1/R2) BSD-NC4_H023-HD 2012-12-07Vout(1.24V)=0.6*(1+16k/15k) Vout=1.222*(1+R1/R2) 3A POWER UP SEQUENCE 5V/3.3V->2.5V->1.5V/1.1V->1.0V LG1154D : 3.3V->2.5V->1.5V->1.1V LG1154AN : 3.3V->2.5V->1.0V Vout=0.6*(1+R1/R2) Vout=0.765*(1+R1/R2) 29 5ALG1154 +5.0V normal & USB +1.1V_COREIC2304 RT8289GSP IC2301 TPS54327DDAR 24V-->3.48V 20V-->3.51V +2.5V +1.0V_VDD DDR MAIN 1.5VeMMC POWERVout=0.827*(1+R1/R2)=1.521V Vout=0.8*(1+R1/R2) PANEL_POWER Power_DET +3.3V_NORMALFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC3000 For Debug MICOM MODEL OPTION0 GP4 High/MID Power SEQUENCE 30 Renesas MICOMTHERMAL 87 AVDD12_3 86 R0X2P 85 R0X2N 84 R0X1P 83 R0X1N 82 R0X0P 81 R0X0N 80 R0XCP 79 R0XCN 78 TPVDD12 77 TCVDD12 76 TXCN 75 TXCP 74 TX0N 73 TX0P 72 TX1N 71 TX1P 70 TX2N 69 TX2P 68 ARC 67 VDD12_3 1 66 RSVDL 65 SPDIF_IN 64 INT 63 CSCL 62 CSDA 61 RESET_N 60 TPWR 59 GPIO1 58 GPIO0 57 CD-SENSE4 56 CD_SENSE3 55 GPIO2 54 CD_SENSE1 53 CD_SENSE0 52 WKUP 51 LPSBV 50 PWRMUX_OUT 49 SBVCC5 48 R5PWR5V[VGA] 47 DSCL5[VGA] 46 DSDA5[VGA] 45 R4PWR5V 31 FHDFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS GP4 IC3201 SII9587CNUC HDMI3 HDMI2R1XCN 2 R1XCP 3 R1X0N 4 R1X0P 5 R1X1N 6 R1X1P 7 R1X2N 8 R1X2P 9 AVDD12_1 10 VDD12_1 11 R3XCN 12 R3XCP 13 R3X0N 14 R3X0P 15 R3X1N 16 R3X1P 17 R3X2N 18 R3X2P 19 AVDD12_2 20 VDD33_1 21 R4XCN 22 R4XCP 23 R4X0N 24 R4X0P 25 R4X1N 26 R4X1P 27 R4X2N 28 R4X2P 29 VDD12_2 30 DSDA0 31 DSCL0 32 CBUS_HPD0 33 R0PWR5V 34 DSDA1 35 DSCL1 36 CBUS_HPD1 37 R1PWR5V 38 DSDA3 39 DSCL3 40 CBUS_HPD3 41 R3PWR5V 42 DSDA4 43 DSCL4 44 CBUS_HPD4 88 VDD33_2 89 [EP]GND HDMI1 With ARCD3211 D3212 D3213 D3208 D3209 D3215 D3214 HDMI 32 Device Address : 0XB0 HDMI4 With MHL Vout=0.8*(1+R1/R2)32 COMPONENT 1 PHONE JACKFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS JACK HIGH/MID 2012.10.09 SPDIF OUT CVBS 1 PHONE JACK FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AR4000 100 1/16WFor EMI BSD-NC4_H040-HD IR / KEY 2012.10.10 P4000 SMAW200-H12S2 NON_OLED . RX GND WOL RTS TX USB_DM CTS 3.3V GND +3.5V_WOL RESET USB_DPSMAW200-H16S2 OLED_DEV 4 3 2 1 5 33 MAX 0.4A34 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC4200 GL852G-31 CAMERA POWER ENABLE CONTROL USB3_HUB 2012.10.08 USB_Camera From HUB BSD-NC4_H042-HD FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC4500 BD82020FVJ IC4306 TPS2066CDGNR 35 OCP USB1OCP USB2/3 USB2 (2.0) MAX 1.0A USB3 (2.0) MAX 1.0A USB1 (3.0) MAX 1.2ABSD-NC4_H044-HD 2012-11-09 USB JACKFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2012.10.31 SCART GENDER 36 Full Scart(18 Pin Gender)BSD-NC4_H048-HD50 LAN_VERTICAL 2011.12.09 37 Ethernet BlockFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC5200 RTL8201F-VB-CG WOL POWER ENABLE CONTROL ETHERNET 38 Ethernet BlockBSD-NC4_H052-HD 2012-09-12IC5600 TAS5733 Close to Speaker 39 SPEAKER_LGP4_MT5369 58 2011.11.21 AUDIO[ST] Separate DGND AND AVSS This parts are Located on AVSS area. SPEAKER_R 40 WOOFER_RGP4_MT5369 58 2011.11.21 AUDIO[ST] This parts are Located on AVSS area. Close to Speaker Separate DGND AND AVSS WOOFER_L 42 EARPHONE AMP43 62CI SLOT 2011.10.31 CI POWER ENABLE CONTROLIC6300 TDA8024TT +5V_NORMAL CI SLOT 2011.04.17 62 44 B-CAS (SMART CARD) INTERFACE45 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IF_P 13 20 32 2. No via on both of them 17 34 should be guarded by ground 3. Signal Width >= 12mils 2A Vout=0.6*(1+R1/R2)35 Close to the tuner 31 21 CHB : Max mA 24 36 18 33 22 30 26 27 25 12 TUNER 2012.07.10 65TU_W TU_N_BR +1.8V_TU +3.3V_TU +1.8V_TU IF_AGC IF_N IC6501 AP2132MP-2.5TRG1 I2C_SCL4 I2C_SDA4 T2 : Max 1.7A +1.23V_D_Demod 6 11 14 close to Tuner 7 2 3 Signal to Signal Width = 12mils Ground Width >= 24mils 23 close to TUNER 16 else : Max mA 8 1. should be guarded by ground R2 R1 close to TUNER9 4 close to Tuner 1 5 10 else : Max 0.7A 46 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TU6705 TDSN-G351D TU_SYMBOL 2012.09.14TU6702 TDSQ-H651F(B) TU6703 TDSQ-G651D(B) TU6704 TDSW-J551F(B) TU6701 TDSM-C651D(B) BSD-NC4_H067-HD FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC6900 A8303SESTR-T LNB 2012.03.08 69 47 DVB-S2 LNB Part AllegroMax 1.3A (Option:LNB) 2A 3AFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS [41Pin LVDS OUTPUT Connector] LVDS INTERFACE[51Pin LVDS OUTPUT Connector] 48 LVDSBSD-NC4_H072-HD 2012-10-15 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LOCAL DIMMING 2012.09.14 49 LOCAL DIMMING 1[To LED DRIVER] BSD-NC4_H074-HD FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC7701 2011.12.01 77 IC7700 TPS65178RSLR [Left Source(51PIN LOCATION)] [Right Source(41PIN LOCATION)] T-Con 50 <LEVEL SHIFTER BLOCK><POWER BLOCK> THIS IS REVERSE PATTERN !!!!FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC8100-*3 KLM2G1HE3F-B001 (Just Interal LDO Capacitor) SAMSUNG_EMMC_16G HYNIX_EMMC_4GB TOSHIBA_EMMC_4GB TOSHIBA_EMMC_8GB SAMSUNG_EMMC_4GB TOSHIBA_EMMC_16GB Dont Connect Power At VDDI HYNIX_EMMC_2GBIC8100-*4 THGBM5G7A2JBAIR IC8100-*1 THGBM5G5A1JBAIR IC8100 H26M31002GPR IC8100-*2 H26M21001ECR 11.09.29 81 52 eMMC I/FeMMC serial 100 ohm option 55 EPI Interface EPI(Embedded Point-Point Interface) 56 EPI Interface (mini-LVDS vs. EPI) Comparison -Multiple number of wires needed for higher bandwidth EPI (Embedded clock P-to-P Interface) What to change -Difficult to upgrade bandwidth limit LCM (T-con to S-Driver IC) HF mini-LVDS EPI 57 EPI Interface (mini-LVDS vs. EPI) 58 NFC (Near field communication) 62 1. H13 Block Diagram (External) H13 LG1154AN H13 LG1154D I2C_SDA1 LNB 33 AR6 33 [SDA] 63 2. LG1154 I2C Map 64 3. Power Block Diagram 65 4. Tuner/CI Block Diagram LG1154 /PCM_IOWR /PCM_IRQA TDSQ- G651D CI Slot 66 5. Video & Audio IN H13 SC_L/R_IN (LG1154AN) COMP2_Y_IN_SOC_SOY Jack Side SOC Side 67 6. AUDIO OUT TAS5733 MICOM AZ4580MTR MAIN 4P wafer OP AMP Tuner MICOM H13 LG1154 68 7. HDMI HDMI1 H13D (IC100 / LG1154D) 69 8. Panel Interface Block Diagram 81 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. MR13P) M4 Remote MR13P Remote 82 83 3. MR13P Block Diagram 84 4. Function list 87 WIFI Built in assy feature - Pin map 89 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. 90 Contents of LCD TV Standard Repair Process Detail Technical Manual Continue to the next page Check Power Board or module N Always check & record S/W Version and White Established 2012. 12 .06 Revised date 91 LCD TV symptom A. Video error No video/ Normal audio (Main B/D Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,) First of all, Check whether all of cables between board is inserted properly or not. 93 A. Picture Problem A6 A7 . By using Digital signal level meter . By using Diagnostics menu on OSD Contact with signal distributor LCD TV 94 A. Picture Problem (DVB-S/S2) A6 A7 S/W Upgrade 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 error? N device/cable error? 95 A. Video error Color error A10/ A11 A12 A8 error? Established date Revised date symptom 2012. 12 .06 Vertical/Horizontal bar, residual image, light spot Vertical / Horizontal bar, residual image, light spot, external device color error For other panel For LGD panel A12 96 External device screen error-Color error Connect other external device and cable -External Input Request repair for Normal N Replace Screen Established date Revised date 2012. 12 .06 symptom A8 A10/ A11 A28 97 B. Power error No power Close A4 A17 A19 Standard Repair Process 2012. 12 .06 Established date Revised date LCD TV symptom . Stand-By: Red . Operating: white 98 B. Power error Off when on, off while viewing, power auto on/off A19 A22 Established date Revised date 2012. 12 .06 symptom LCD TV * Please refer to the all cases which can be displayed on power off mode. 99 C. Audio error LCD TV abnormal audio/discontinuation/noise is same after Check input signal compared to No audio 100 C. Audio error 2012. 12 .06 A25 symptom Revised date Wrecked audio/ discontinuation/noise Established LCD TV D. General Function Problem Remote control & Local switch checking A27 A4 101 1. Remote control(R/C) operating error 107 Contents of LCD TV Standard Repair Process Detail Technical Manual
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