LG Electronics 32LD320 32LD320-ZA manuals
TV and Video > Flat Panel Television
When we buy new device such as LG Electronics 32LD320 32LD320-ZA we often through away most of the documentation but the warranty.
Very often issues with LG Electronics 32LD320 32LD320-ZA 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 32LD320 32LD320-ZA 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 32LD320 32LD320-ZA Service Manual
77 pages 11.86 Mb
LCD TV SERVICE MANUALCAUTIONBEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. CHASSIS : LD91A MODEL : 32LD320 MODEL : 32LD320N 32LD320N-ZAInternal Use Only 2 CONTENTS3 SAFETY PRECAUTIONSGeneral Guidance1.5 Kohm/10W Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) Leakage Current Hot Check Leakage Current Hot Check circuit IMPORTANT SAFETY NOTICE 4 SERVICING PRECAUTIONS6 SPECIFICATION1. Application range 2. Requirement for Test 3. Test method 4. Component Video Input (Y, CB/PB, CR/PR) 7 5. RGB (PC)6. HDMI Input (PC/DTV) 8 ADJUSTMENT INSTRUCTION1. Application Range 2. Designation 3. Main PCB check process* Boot file Download * USB DOWNLOAD* After downloading, have to adjust Tool Option again. 9 3.1. ADC Process3.2 Function Check 10 4. Total Assembly line process4.1. Adjustment Preparation* Manual W/B process using adjusts Remote control. 4.2. DDC EDID Write (RGB 128Byte ) 4.3. DDC EDID Write (HDMI 256Byte) 4.4. EDID DATA 11 - Auto Download- Manual Download 4.5. V-COM Adjust(Only 37/42/47LH4000-ZA) 4.6. Outgoing condition Configuration 4.7. Internal pressure 12 5. Serial number D/L5.1. Signal TABLE 5.2. Command Set 5.3. method & notice 13 EXPLODED VIEWIMPORTANT SAFETY NOTICE 14 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.03.25MODEL OPTION POWER DETECT$0.199 IC105: EAN43352801(ATMEL SHRINK) HDCP EEPROM MAIN_1 1 11I2C EEPROMFlash_WP_1 AR102 22 AR103 22 Serial FLASH MEMORY for BOOT NAND FLASH MEMORY MCU BOOT STRAP1386 WON $0.76 $0.418 *Mstar reset:Active high reset 0IMMRMP008A(MICROCHIP) DIMMING 15 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.03.25 MAIN_2 2 11+3.3V_VDDP +1.8V_DDR +3.3V_VDDP Close to IC as close as possible HDMI SCART_RGB DSUB CVBS TV/MNT LVDS OUT VDDC : 970mA VDDP : 102.3mA AVDD_AU : 36.11mA AVDD_MEMPLL : 23.77mA AVDD_LPLL : 4.69mA AVDD_33 : 281mA AVDD_DM : 0.03mA AVDD_OTG : 22.96mA 16 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.03.25 DDR2 3 11IC300 HY5PS1G1631CFP-S6 DDR2 1.8V By CAP - Place these Caps near Memory Close to DDR Power Pin Close to DDR Power Pin FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS COMPONENT 2009.03.25 [ PC ] INTERFACE 4 11 RS232C PC AUDIO 17 AV (OPT:SIDE_AV)REAR USB (OPT:REAR_USB) SIDE USB (OPT:SIDE_USB)18 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PCMCIA 5 11IC502 74LVC541A(PW) 20 VCC 19 OE2 18 Y0 17 Y1 16 Y2 15 Y3 14 Y4 13 Y5 12 Y6 GND 11 Y7 5 A4 6 1 A2 2 A1 3 BUFFER A0 4 OE1 A3 7 A5 8 A6 9 A7 10 C512 0.1uF DVB-CI SLOT DVB-CI TS INPUT DVB-CI HOST I/F DVB-CI SERIAL BUFFER TS CI POWER ENABLE CONTROL EAX60686904 2009.03.25 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS JK602 2009.03.25 HDMI 6 11 JK601 JK600 UI_HW_PORT3UI_HW_PORT1 UI_HW_PORT2 19 SIDE HDMI (OPT:SIDE_HDMI)(OPT:REAR_HDMI_2EA) HDMI_CECFILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.03.25 AMP 7 11TOP_EARPHONE BOTTOM_EARPHONE SPEAKER_L SPEAKER_R 20 EARPHONE AMP MCLK SDATA WCK BCK TP is necessory Monitor0_1_2 TP is necessoryCopyright 2009 LG Electronics. Inc. All right reserved. FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS OPT 2009.03.25 POWER 8 11BLM18PG121SN1D L812 IC805 MP2212DN 19~22 21 Stand-by +3.3VS6 core 1.26 volt+5V +12V PANEL_POWER MAX 3A FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 2009.03.25 9 11 SCART 22 SCART2 PIN 8 Scart Audio Mute Audio Out AmpTU1200 TDFW-G235D 23 2009.03.25TUNER 10 11 Tuner PLL : 0xC2 Analog Tuner : 0x86 Digital Tuner : 0x1E EAX60686904FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS +3.3V 2009.03.25 0 10BIT X 8BIT 24 SmallMODULE&CTL 11 11LVDS_MNT_HD_19~22 LVDS_HD_19~22 FHD_LVDS_WAFER+3.3V 12PIN IRSCL SDA KEY1 KEY2 5V_ST WARM_ST IR 3.3V PWR_ON 8PIN IR LVDS_HD_26~42 19~22/26LH2000 Module CONTROL IR & LED Zener Diode is close to waferR1370 R1371 R1378 HD O FHD XO Block Diagram - 19/22/26/32/37/42LH2000 - 32/37/42/47LH3000 - 32/37/42/47LH4000 26 Mstar S6LGE3368A (No-DVIX) (IC100) Block diagram 37 GIP Block Diagram TCON with FRC MST7327N IC101M+S T-Con Block Only for 37LH4000Multi Channel DC/DC Converter TPS 65161 IC401 P-Gamma IC BUF16821 IC402 Level Shifter MAX17108 IC403 27 Block diagram*M+S : Main B/D + T-con B/D In different 42/47 Normal Block Diagram Only for 42/47LH4000 42/47 Normal Block Diagram TCON with FRC MST7327N IC101 Multi Channel DC/DC Converter TPS 65162 IC401 P-Gamma IC BUF16821 IC402 28 Block diagram *M+S : Main B/D + T-con B/Ddate Revised date 1/13 No video/ Normal audio 30 First of all, Check whether all of cables between board is inserted properly or not.(Main B/D Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,) 1 32 A. Picture Problem Menu Setup Booster 33 Color error LGD Module Only Other Module date Revised date 4/13 34 Vertical/Horizontal bar, residual image, light spotVertical / Horizontal bar, residual image, light spot, external device color error 5/13 External device screen error-Color errordevice and cable LGD Module Only Other Module Replace module in abnormal displaying after exchanging T-Con B'd date Revised date 35 B. Power error36 B. Power errorOff when on, off while viewing, power auto on/off 7/13 date Revised date * Please refer to the all cases which can be displayed on power off mode. 37 C. Audio error Wrecked audio/discontinuation/noise is same after Check input signal compared to No audio 38 C. Audio error9/13 Wrecked audio/ discontinuation/noise date Revised date 9 39 D. General Function Problem1. Remote control (R/C) operating error 2. Local(Mechanical) switch operating error 40 D. Function error41 E. Noise <With Inverter Module> <Without Inverter Module> 12 42 F. Exterior defectLCD TV Repair Process Index 43 - Trouble shooting by input block (Component level check)44 LCD TV Symptom Power-Up Boot Fail26~42LH2000 32~47LH3000/LH4000 Making Revision 45 LCD TV Symptom Power-Up Boot Fail47 LCD TV Symptom No OSD48 LCD TV Symptom Digital TV Video Problem49 LCD TV Symptom Analog TV Video Problem50 LCD TV Symptom AV1(Scart CVBS) No Video Problem51 LCD TV Symptom AV1(Scart RGB) No Video52 LCD TV Symptom AV2 No Video Problem53 LCD TV Symptom AV3(CVBS) No Video Problem54 LCD TV Symptom AV1 No Video Out Problem55 LCD TV Symptom AV2 No Video Out Problem56 LCD TV Symptom Component No Video/ No Color Problem57 LCD TV Symptom RGB No Video Problem58 LCD TV Symptom RGB No Color Problem59 LCD TV 60 LCD TV Symptom HDMI1 or 2 or 3 No Video61 LCD TV Symptom All Source no Audio Problem26~42LH2000 32~47LH3000/LH4000 62 LCD TV Symptom Digital TV No Audio Problem63 LCD TV Symptom Analog TV No Audio Problem64 LCD TV Symptom AV1 No Audio Problem65 LCD TV Symptom AV2 No Audio Problem66 LCD TV Symptom AV3 No Audio Problem68 LCD TV 69 LCD TV Symptom HDMI-DTV No Audio Problem70 LCD TV Symptom AV1 No Audio Out Problem71 LCD TV Symptom AV2 No Audio Out Problem72 LCD TV Symptom Headphone No Audio Problem73 LCD TV Symptom SPDIF No Audio Problem74 LCD TV Symptom USB No Connect Problem76 LCD TV Symptom Remote Control Problem77 LCD TV Symptom Intelligent Sensor Problem
Also you can find more LG Electronics manuals or manuals for other TV and Video.