LG Electronics 28LN45 manuals
TV and Video > Flat Panel Television
When we buy new device such as LG Electronics 28LN45 we often through away most of the documentation but the warranty.
Very often issues with LG Electronics 28LN45 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 28LN45 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 28LN45 Service Manual
34 pages 6.59 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 1 13I2C Internal demod out EEPROM PM MODEL OPTION A0h DIMMING MAIN1_EUEAN61548301 EAN61133501 AR103 AR104IC100 W25Q80BVSSIG S_FLASH_MAIN_WINBONDIC103-*2 R1EX24256BSAS0A NVRAM_RENESAS AR102IC100-*1 MX25L8006EM2I-12G S_FLASH_MAIN_MACRONIXIC103 AT24C256C-SSHL-T NVRAM_ATMEL IC103-*1 M24256-BRMN6TP NVRAM_ST from CI SLOTfor SYSTEM EEPROM (IC104) for SERIAL FLASH <CHIP Config(LED_R/BUZZ)> Boot from SPI CS1N(EXT_FLASH) 1b0 Boot from SPI_CS0N(INT_FLASH) 1b1 NAND FLASH MEMORY <CHIP Config> (I2S_OUT_BCK,I2S_OUT_MCK,PAD_PWM1PAD_PWM0) SERIAL FLASH MEMORY FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2 13 Normal 2.5V MAIN2_EU DDR3 1.5V VDDC 1.15VTAIWAN MIU0-128M HD_LVDS_NON_EU MIU0-256M MODEL_OPT_9 DVB_S Other: N.C NON_DVB_T2 MODEL_OPT_7 MODEL_OPT_5 F7 HD_LVDS_EU SIDE USB TUNER_I2C HDMI DSUB AUDIO IN ANALOG SIF Normal Power 3.3V STby 3.3VMemory Model OPT 4 Model OPT 6 Note 128M 128M+128M 256M 256M+128M 0 0 0 1 1 0 1 1 Ginga 22 MEMORY OPTIONMODEL OPTIONMODEL_OPT_3 T24 MODEL_OPT_8 LOW NON_AJ FHD MODEL_OPT_1 PIN NAME MIU1-128MMIU1-NO_DDR DualStream NON_DVB_S A8 A9 EU,AJ HD MODEL_OPT_4 MODEL_OPT_0 MODEL_OPT_6 NON_DualStream F4 PIN NO. NON_M120 B8 AJ AB2MODEL_OPT_2 HIGH M120 DVB_T2 U23 T25 Dual Stream is only Korea 3D spec 23 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS ETHERNET RS232C(SIDE) 4 13 INTERFACE DSUB RGB PC AUDIO(SIDE) USB(SIDE) Jack Shield (HDMI1, HDMI2, RGB) FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 5 13 HDMI 24 HDMIHDMI_1 MHL OCP HDMI_2 With MHL CEC 2013.1.14 6 13 MODULE&CONTROL NC4_S7LRM 25 IR/LED and ControlPIN22 VESA IR_OUT(Ready) Module EAX65303801THERMAL [EP]GND 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 13 Pop-up noise killer 0x54VDD_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 AUDIO AMP 26 Headphone block27 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS R842 R1 M1 Core H/W Option:FULL_NIM 19V TO 12V DCDC CONVERTER 19V TO 5V DCDC CONVERTER 3.3V TO 1.5V LDO AMP_VCC Control 8 13 POWER PANEL POWER CONTROL Not used : only for small(ready) 3.3V TO 1.23V LDO 12V TO 1.15V DCDC CONVERTER 120915 MP1584->MP1472 R2 Vo=0.8*(1+R2/R1) 19V TO 12V DCDC CONVERTER 19V TO 5V DCDC FOR MHL OPTION: (OPT)5V_PWR_FOR_MHL_ONLY FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LED DRIVER 11 13 28 LED DRIVERFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 29 2G 1600K4B2G1646E-BCK0 DDR 12 13 S7LR-M_NON_MS10IC1201CLose to Saturn7M IC CLose to DDR3 CLose to DDR3 CLose to Saturn7M IC 1G 1600 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PCMCI 19 13 CI POWER ENABLE CONTROL+3.3V_Normal CI DETECT+3.3V_Normal C1901 0.1uF +3.3V_CI 30 CI RegionCI HOST I/FCI SLOT120915 Array->normal resistor * Option name of this page : CI_SLOT (because of Hong Kong)CI TS INPUT121022 BufferIC change 0ISTLPH048A ->0ITO742440D 120915 BufferIC change 0ITO742440D ->0ISTLPH048A 121022 Swich block change FET->IC EAX65303801FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TUNER_EU 26 13TU2603 TDSS-G501D(B) TU2602 TDSQ-G601D(B) TU2601 TDSQ-G501D(B) 31 NETCAST4.0 EU&CHUNA_TUNER_BLOCKClose to TUNER ERROR & VALID PIN 2013.1.14 LNB 27 13IC2701 A8303SESTR-T Max 1.3A NC4_S7LRMMax 1.3A close to TUNER Ouput trace widths should be sized to conduct at least 2A 2AInput trace widths should be sized to conduct at least 3A 3A 32 DVB-S2 LNB Part AllegroEAX65303801FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 28 13 SCART&COMPIC2800 AZ4580MTR-E1 JK2801 PSC008-01 33 SCART / COMPONENT&CVBS[SCART AUDIO MUTE] FULL SCART121118 SCART AMP IC change SCART AMP SCART / COMPONENT&CVBS
Also you can find more LG Electronics manuals or manuals for other TV and Video.