LG Electronics LG - Life's Good Flat Panel Television 22LT380C/380H-ZA user manual

User manual for the device LG Electronics LG - Life's Good Flat Panel Television 22LT380C/380H-ZA

Device: LG Electronics LG - Life's Good Flat Panel Television 22LT380C/380H-ZA
Size: 6,97 MB
Date of adding : 2014-02-07 16:28:14
Number of pages: 61
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LG Electronics LG - Life's Good Flat Panel Television 22LT380C/380H-ZA user manual
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Abstracts of contents
Summary of the content on the page No. 1

Internal Use Only
North/Latin America http://aic.lgservice.com
Europe/Africa http://eic.lgservice.com
Asia/Oceania http://biz.lgservice.com
LED LCD TV
SERVICE MANUAL
CHASSIS : LD2AY
MODEL : 22LT380C/380H
22LT380C/380H-ZA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL67368124 (1208-REV00) Printed in Korea

Summary of the content on the page No. 2

CONTENTS CONTENTS .............................................................................................. 2 SAFETY PRECAUTIONS ........................................................................ 3 SERVICING PRECAUTIONS ................................................................... 4 SPECIFICATION ...................................................................................... 6 ADJUSTMENT INSTRUCTION ............................................................. 10 BLO

Summary of the content on the page No. 3

SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Exploded View. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. General Guidance Leakage Current Hot Check

Summary of the content on the page No. 4

SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service 2. After removing an electrical assembly equipped with ES manual and its supplements and addenda, read and follow the devices, place the assembly on a conductive surface such as SAFETY PRECAUTIONS on page 3 of this publication. aluminum foil, to prevent electrostatic charge buildup or expo- NOTE: If unforeseen circumstances create conflict between the sure of the assembly. following servicing precautions and any

Summary of the content on the page No. 5

IC Remove/Replacement 3. Solder the connections. Some chassis circuit boards have slotted holes (oblong) through CAUTION: Maintain original spacing between the replaced which the IC leads are inserted and then bent flat against the cir- component and adjacent components and the circuit board to cuit foil. When holes are the slotted type, the following technique prevent excessive component temperatures. should be used to remove and replace the IC. When working with boards using the familiar r

Summary of the content on the page No. 6

SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. 1. Application range 3. Test method This specification is applied to the LCD TV used LD2AY/Z 1) Performance: LGE TV test method followed chassis. 2) Demanded other specification - Safety : CE, IEC specification - EMC : CE, IEC 2. Requirement for Test Each part is tested as below without special appointment. 1) Temperature: 25 °C ± 5 °C(77 °F ± 9 °F), CST: 40 °C ± 5 °C 2) Relative Humidity: 65

Summary of the content on the page No. 7

No. Item Specification Remarks 6 RGB Input RGB-PC Analog(D-SUB 15PIN) HDMI1-DTV/DVI PC(HDMI version 1.3) 7 HDMI Input (3EA) HDMI2-DTV Support HDCP HDMI3-DTV The number of Input ports is different by model. 8 Audio Input (2EA) RGB/DVI Audio In case of the RGB/DVI Audio input, 9 SDPIF out (1EA) SPDIF out Some models(LD21A,LD21C) are not supported. Antenna, AV1, AV2, Component, RGB, 10 Earphone out (1EA) . HDMI1, HDMI2, HDMI3 EMF, 11 USB (1EA ) DivX HD, JPEG, MP3, DivX HD For SVC (download) CI : U

Summary of the content on the page No. 8

5. Video resolutions (2D) 5.1. Component Input (Y, CB/PB, CR/PR) No. Resolution H-freq(kHz) V-freq(Hz) Pixel clock(MHz) Proposed 1 720*480 15.73 60.00 13.5135 SDTV ,DVD 480I 2 720*480 15.73 59.94 13.50 SDTV ,DVD 480I 3 720*480 31.50 60.00 27.027 SDTV 480P 4 720*480 31.47 59.94 27.00 SDTV 480P 5 1280*720 45.00 60.00 74.25 HDTV 720P 6 1280*720 44.96 59.94 74.176 HDTV 720P 7 1920*1080 33.75 60.00 74.25 HDTV 1080I 8 1920*1080 33.72 59.94 74.176 HDTV 1080I 9 1920*1080 67.50 60.00 148.50 HDTV 1080P 10

Summary of the content on the page No. 9

5.3. HDMI Input(PC/DTV) No. Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark PC(DVI) DDC 1 640*350 31.468 70.09 25.17 EGA X 2 720*400 31.469 70.08 28.32 DOS O 3 640*480 31.469 59.94 25.17 VESA(VGA) O 4 800*600 37.879 60.31 40.00 VESA(SVGA) O 5 1024*768 48.363 60.00 65.00 VESA(XGA) O 6 1280*768 47.776 59.870 79.50 CVT(WXGA) Х 7 1360*768 47.712 60.015 85.50 VESA (WXGA) O 8 1280*1024 63.981 60.020 108.0 VESA (SXGA) O 9 1600*1200 75.00 60.00 162.0 VESA (UXGA) X 10 1920*1080 67.50

Summary of the content on the page No. 10

ADJUSTMENT INSTRUCTION (4) Click "Connect" tab. If "Can't" is displayed, check connection 1. Application Range between computer, jig, and set. This specification sheet is applied to all of the LCD TV with LD2AY/Z chassis. (2) (3) 2. Designation (1) The adjustment is according to the order which is designated and which must be followed, according to the plan which can be changed only on agreeing. (2) Power adjustment : Free Voltage. (3) Magnetic Field Condition: Nil. (4) Input signal

Summary of the content on the page No. 11

3.1. ADC Process 4. Total Assembly line process (1) ADC 4.1. Adjustment Preparation - Enter Service Mode by pushing "ADJ" key, ▪ W/B Equipment condition - Enter Internal ADC mode by pushing "►" key at "7. ADC CA210 Calibration". : CCFL/EEFL -> CH9, Test signal: Inner pattern(80IRE) EZ ADJUST ADC Calibration LED -> CH14, Test signal: Inner pattern(80IRE) 0. Tool Option1 ADC Comp 480i NG ▪ Above 5 minutes H/run in the inner pattern. (“power on” key 1. Tool Option2 ADC Comp 1080p NG of adjus

Summary of the content on the page No. 12

▪ Auto adjustment Map(using RS-232C to USB cable) 4.4. EDID data RS-232C COMMAND (1) All Data : HEXA Value [CMD ID DATA] (2) Changeable Data : Wb 00 00 White Balance Start *: Serial No : Controlled / Data:01 Wb 00 ff White Balance End **: Month : Controlled / Data:00 ***:Year : Controlled RS-232C COMMAND CENTER [CMD ID DATA] (DEFAULT) ****:Check sum MIN MAX Cool Mid Warm Cool Mid Warm 4.4.1. Auto Download R Gain jg Ja jd 00 172 192 192 192 ■ After enter Service Mode by pushing

Summary of the content on the page No. 13

(1) HD RGB EDID data f. Vendor Specific(HDMI) 0 1 2 3 4 5 6 7 8 9 A B C D E F INPUT MODEL NAME(HEX) 00 00 FF FF FF FF FF FF 00 1E 6D a b 10 c 01 03 68 10 09 78 0A EE 91 A3 54 4C 99 26 HDMI1 65030C001000 20 0F 50 54 A1 08 00 81 C0 61 40 45 40 31 40 01 01 HDMI2 65030C002000 30 01 01 01 01 01 01 1B 21 50 A0 51 00 1E 30 48 88 40 35 00 A0 5A 00 00 00 1C 01 1D 00 72 51 D0 1E 20 HDMI3 65030C003000 50 6E 28 55 00 A0 5A 00 00 00 1E 00 00 00 FD 00 3A 60 3E 1F 46 10 00 0A 20 20 20 20 20 20 d 70 d 00 e 80 F

Summary of the content on the page No. 14

4) Check the model name Instart menu. → Factory name displayed. 5. Model name & Serial number D/L (ex 42LD450-ZA) ▪ Press "Power on" key of service remote control. 5) C heck the Diagnostics.(DTV country only) → Buyer model (Baud rate : 115200 bps) displayed.(ex 42LD450) ▪ Connect RS232 Signal Cable to RS-232 Jack. ▪ Write Serial number by use RS-232. ▪ Must check the serial number at the Product/Service info.. (menu key -> red key -> select product/Service info) 5.1. Signal Table CMD LENGTH A

Summary of the content on the page No. 15

2. Check the method of CI+ key value (RS232) 6. CI+ Key Download method 1) Into the main ass’y mode (RS232 : aa 00 00) 6.1. Download Procedure CMD 1 CMD 2 Data 0 (1) Press "Power on" key of a service R/C. A A 0 0 (Baud rate : 115200 bps) (2) Connect RS232-C Signal Cable. 2) Check the mothed of CI+ key by command (3) Write CI+ Key through RS-232-C. (RS232 : ci 00 20) (4) Check whether the key was downloaded or not at ‘In Start’ CMD 1 CMD 2 Data 0 menu. (Refer to below). C I 2 0 3) resu

Summary of the content on the page No. 16

BLOCK DIAGRAM Buffer CI Slot Tuner Copyright © LG Electronics. Inc. All rights reserved. LGE Internal Use Only - 16 - Only for training and service purposes X-tal 24M Buffer PI_TS_DATA[0:7] 74LVC16244 LVDS (8bit or 10 bit) FE_TS_DATA[0:7] MX25L8006EM2I 30P Serial Flash 51P CI_TS_DATA[0:7] CI_ADDR[0:7] PCM_A[0:7] For Boot B_TMDQ[0:16] DDR3 (2GB) IF_N/P_MSTAR IC1201 Half TU_CVBS NIM A_TMDQ[0:16] TU_SIF D D D DD D D DR R R R3 3 3 3 ( ( ( (1 1 1 1G G G GB B B B) ) ) ) (CAN) IIIIC C C C1 1 1 1

Summary of the content on the page No. 17

EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer. Copyright © LG Electronics. In

Summary of the content on the page No. 18

IC102 NAND01GW3B2CN6E NAND FLASH MEMORY +3.3V_Normal IC101 +3.3V_Normal Boot from SPI CS1N(EXT_FLASH) 1’b0 LGE2112-T8 NC_1 NC_29 Boot from SPI_CS0N(INT_FLASH) 1’b1 1 48 NAND_FLASH_1G_NUMONYX PCM_D[0-7] NC_2 NC_28 EAN60762401 2 47 S7LR_DIVX_MS10 PCM_A[0-7] PCM_D[0] W21 NC_3 NC_27 PCMDATA[0]/GPIO126 3 46 PCM_D[1] AA18 22 PCMDATA[1]/GPIO127 NC_4 NC_26 PCM_D[2] AB22 4 45 AR101 PCMDATA[2]/GPIO128 PCM_D[3] AE20 NC_5 I/O7 PCM_A[7] PCMDATA[3]/GPIO120 R107 R109 5 44 PCM

Summary of the content on the page No. 19

AUDIO OUT I2S_I/F AUDIO IN MODEL OPTION +2.5V_Normal +3.3V_Normal +3.3V_Normal PIN NAME PIN NO. LOW HIGH MODEL OPTION +1.10V_VDDC +1.10V_VDDC MODEL_OPT_0 AB3 FHD HD VDDC 1.05V VDDC : 2026mA MODEL_OPT_1 PHM_ON F4 PHM_OFF MODEL_OPT_2 AB2 NON_DVB_T2 DVB_T2 MODEL_OPT_3 T25 NON_3D 3D OPT R201 100 MODEL_OPT_0 OPT OPT OPT OPT OPT R202 100 MODEL_OPT_4 U23 NON_OLED OLED MODEL_OPT_1 OPT R203 100 MODEL_OPT_2 MODEL_OPT_5 OPT T24 NON_DVB_S R204 100 DVB_S MODEL_OPT_3 OPT R4031 100 MODEL_OPT_4 MODEL_OPT_6 B8 N

Summary of the content on the page No. 20

MICOM MODEL OPTION +3.5V_ST +3.5V_ST +3.5V_ST IC302 74LX1G14CTR NC VCC MODEL1_OPT_0 R352 1 5 47K MODEL1_OPT_1 C309 BU300 MODEL1_OPT_2 1A 0.1uF PKLCS1212E4001-R1 +3.5V_ST SW300 2 16V MODEL_OPT_3 JTP-1127WEM 2 1 GND 1Y X300 3 4 1 C308 10MHz 2.2uF 43 10V 2 SIGN190368 +5V_ST R348 100K L302 +3.5V_ST BLM18PG121SN1D P301 Q306 Q307 Q310 Q308 Q309 12507WR-12L E E E E E 2SA1504S 2SA1504S 2SA1504S 2SA1504S 2SA1504S MODEL OPTION R310 R312 B B B B B 4.7K 4.7K C C C 1 PIN NAME PIN NO. HIGH LOW C C R336 22 P60


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