LG Electronics MPEG2/4, DVB-T manuals
TV and Video > Flat Panel Television
When we buy new device such as LG Electronics MPEG2/4, DVB-T we often through away most of the documentation but the warranty.
Very often issues with LG Electronics MPEG2/4, DVB-T 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 MPEG2/4, DVB-T 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 MPEG2/4, DVB-T Service Manual
33 pages 6.69 Mb
3 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 SPECIFICATION1. Application range 2. Requirement for Test 3. Test method 4. Model General Specification 8 5. Timing10 ADJUSTMENT INSTRUCTION1. Application Range 2. Designation 3. Main PCB check process* Boot le Download* USB DOWNLOAD(*.epk file download) 11 3.1. EDID Process3.1.1. EDID download 3.1.2. RGB EDID Data 3.1.3. HDMI EDID Data 3.2. Function Check3.2.1. Check display and sound 3.3. CI+ key writing process. (Device CN)3.3.1. Communication Port Connection 3.3.2. CI+ Key Download 12 4. Total Assembly line process4.1. Tool option & ADC Check 4.2. Model name & Serial number download4.2.1. Model name & Serial number D/L 4.2.2. Method & notice 13 4.3. Function Check4.3.1. Check display and sound 4.3.2. PCMCIA CARD Check 4.3.3. PIP Check 4.3.4 HDMI MHL Function Inspection(HDMI2 Port only) 4.4. White balance adjustment 14 4.5. DPM Operation check4.6. Model name & SW version & Adjust check4.6.1. Model Name& SW Version Check 4.6.2. Adjust Check 4.7. Outgoing condition Configuration 15 TROUBLE SHOOTING19 BLOCK DIAGRAMLGE2121-MS10 Option(Only for DVB)- ATSC: TDSS-H501F (Half NIM) Option- DVB- T/C : TDSS-G501D(Half NIM) (MSD804KKX) Mstar M1(L13)Panel- ISDB - T : TDSN- B601F (Full NIM) DDR3: 800MHz 20 EXPLODED VIEW21 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AR101 DIMMING SERIAL FLASH MEMORY A0h from CI SLOT PM MODEL OPTION EEPROM 1 12 MAIN1_EUEAN62389501 AR103 AR104IC100 W25Q80BVSSIG S_FLASH_MAIN_WINBOND IC100-*1 MX25L8006EM2I-12G S_FLASH_MAIN_MACRONIX AR102IC103 AT24C256C-SSHL-T NVRAM_ATMEL IC103-*1 M24256-BRMN6TP NVRAM_ST IC103-*2 R1EX24256BSAS0A NVRAM_RENESAS Internal demod out <CHIP Config(LED_R/BUZZ)> Boot from SPI CS1N(EXT_FLASH) 1b0 Boot from SPI_CS0N(INT_FLASH) 1b1 <CHIP Config> (I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0)for SYSTEM EEPROM (IC104) for SERIAL FLASH I2C NAND FLASH MEMORY FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 128M NON_DualStream * Dual Stream is only Korea 3D spec 128M+128M 3D DualStream COMP SIDE USB DTV_IF AUDIO OUT DVB_S ANALOG SIF A8 I2S_I/F AUDIO IN TUNER_I2C T24 MODEL_OPT_2 H/P OUT Normal 2.5V 2 12 MAIN2_EUNON_DVB_S MODEL_OPT_7 SCART1_RGB CVBS In/OUT SOC_RESET PHM_OFF F4 MIU1-128M MODEL_OPT_0 NON_DVB_T2 FHD MODEL_OPT_4 Ginga AB2 256M MODEL_OPT_1 Model OPT 6 AB3 HIGH PIN NO. NON_3D 0DVB_T2 256M+128M Model OPT 4 22 MODEL OPTIONDSUB PHM_ON Memory MODEL_OPT_3 MIU1-NO_DDR HDMI HD PIN NAME MIU0-128M T25 MODEL_OPT_6 B8 U23 LOW Note MIU0-256M MEMORY OPTION MHL OCP 24 HDMIHDMI_2 With MHL HDMI_1 CEC MODULE&CONTROL 6 12 2012.09.15 NC4_S7LRM 25 IR/LED and Control0~0.7V NC PIN23 LGD IR_OUT(Ready) Module EAX65077401PIN22 VESA 2.7~3.3V NC JEDIA GND THERMAL 39 GND_IO 38 CLK_I 37 AD 36 RESET 35 BST1A 34 PGND1A 33 OUT1A 32 PVDD1A 31 PVDD1B 1 29 PGND1B 28 BST1B 27 VDR1 26 VCC5 25 AGND 24 VDR2 23 BST2A 22 PGND2A 21 OUT2A DVDD 5 DGND_PLL 2 GND 3 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS AUDIO AMP 7 12IC700 NTP7513 VDD_PLL 4 AGND_PLL 6 30 OUT1B DGND 7 SDATA 8 WCK 9 BCK 10 SDA 11 SCL 12 FAULT 13 MONITOR_0 14 MONITOR_1 15 MONITOR_2 16 BST2B 17 PGND2B 18 OUT2B 19 PVDD2B 20 PVDD2A 40 VDD_IO 41 [EP]GND 0x54 Pop-up noise killer 26 Headphone blockAUDIO AMPFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS POWER 8 12 2012.08.25NC4_S7LRM19V TO 5V DCDC CONVERTER 3.3V TO 1.5V LDO 27 AMP_VCC ControlR842 22K PANEL POWER CONTROL Not used : only for small(ready) 5V TO 1.15V DCDC CONVERTER M1 Core 19V TO 12V DCDC CONVERTER 120915 MP1584->MP1472 19V TO 5V DCDC FOR MHL FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LED DRIVER 11 12 2012.08.25 28 LED DRIVERR1137 0.1 1W 1% IC1100 DT1641AS FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 29 2G 16001G 1600 DDR 12 12 S7LR-M_NON_MS10IC1202CLose to DDR3 CLose to DDR3 CLose to Saturn7M IC CLose to Saturn7M IC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS CI TS INPUT CI POWER ENABLE CONTROL CI HOST I/F PCMCI 19 12C1902 0.1uF +3.3V_CI +3.3V_Normal C1901 0.1uF IC1902 74LVC245A CI SLOT 30 * Option name of this page : CI_SLOT CI Region (because of Hong Kong)CI DETECT120915 BufferIC change 0ITO742440D ->0ISTLPH048A OE H DIR L LINPUT HIGH-Z CI ADDRESS HIGH-Z OUTPUTH INPUT NAND ADDRESS X 120915 Array->normal resistor FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IF_P_MSTAR IF_N_MSTAR B1 A1 A1 +3.3V_TUNER TUNER_EU 26 12TU2600 TDSS-G501D IF_AGC_MAIN 71.8V 8ALIF_[P] 9IF_AGC 4SDA 10 DLIF_[P] 11 DLIF[N] 53.3V 2RESET 1NC 3SCL 6ALIF_[N] 12 SHIELD 31 NETCAST4.0 EU(DVB-T/C)_TUNER_BLOCKClose to TUNER close to TUNER FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS GP4L_S7LR2 SCART&COMP 28 12 FULL SCART SCART AMPMMBT3904(NXP) 3 2 +19V_SCART SCART JACK JK2801 PSC008-01 Q2806 MMBT3906(NXP) Q2805 COMPONENT&CVBS [SCART AUDIO MUTE] 32 SCART / COMPONENT&CVBS
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