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akira LCT-42EL0SSTP Service Manual

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Summary of Contents for akira LCT-42EL0SSTP

  • Page 1 LCD TV Service Manual...
  • Page 2 - 2 - MODEL: LCT-42EL0SSTP Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 3: Table Of Contents

    - 3 - CONTENTS SAFETY PRECAUTION........................4 SPECIFICATION............................. 6 CHASSIS OVERVIEW..........................8 KEY COMPONENT ..........................11 SERVICE MODE ADJUSTMENT ....................12 FIRMWARE UPDATE........................14 BLOCK DIAGRAM ..........................17 CIRCUIT DIAGRAM ..........................21 OSD MANUAL STRUCTURE......................30 BILL OF MATERIAL ..........................40 EXPLODED VIEW..........................

  • Page 4: Safety Precaution

    - 4 - IMPORTANT SAFETY PRECAUTION Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 5 - 5 - Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 6: Specification

    SPECIFICATION Panel Type 42” Wide TFT Colour LCD Display Area 930.25mm * 523.01mm(42.02 inch(1067.308mm)diagonal Display Color (8bit) 16.7 million Pixel Pitch 0.227 mm * 0.681 mm * RGB Panel Recommended 1366 * 768 Resolution Contrast Ratio 500 (typical) Luminance white 500 cd/㎡(Center 1 Point Typ.) Viewing Angle Free View Angle(R/L 176, U/D 176)
  • Page 7 19(W) * 11.5(D) * 68(H) cm Size 7.48(W) * 4.52(D) * 26.77(H) inch Weight 2.5Kg/5.5 pounds(gross) Plug & Play DDC 1/2 B Screen Control True Colour On Screen Display Menu, Bit Map Remote Controller Size 125(W) * 37(D) * 78.5(H) cm Body 49.21(W) * 14.56(D) * 30.9(H) inch Weight...

  • Page 8: Chassis Overview

    CHASSIS OVERVIEW ITEMS SPECIFICTION Target Panel Size LCD 37/42 inch Aspect Ratio 16:9 Resolution WXGA (1280X768, 1366X768) Display Refresh Rate 50Hz, 60Hz Supports dual link up to 135MHz dot clock for Maximum Pixel Rate SXGA Interface Single or Dual Channel LVDS H Frequency Range : 20 ~ 82 kHz V Frequency Range : 55 ~ 90 kHz Maximum resolution : 1600 x 1200 60Hz...
  • Page 9 Tuner SIF in SCART SCART Stereo Sound in (500mVrms) AV1 Stereo Sound in (500mVrms) AV2 Stereo Sound in (500mVrms) Connection (Audio) Stereo Audio Line in (500mVrms) S-Video RCA Stereo Audio Line in (500mVrms) – Shared Component 1 RCA Stereo Audio Line in (500mVrms) – Shared Speaker Out 7W x 2 Stereo Speaker (8 ohms) Audio Out...
  • Page 10 Channel Name Edit Channel Sort Manual Fine Tune Volume Balance 5 Band Equalizer Sound Function Mono / Stereo / Nicam Dual / Nicam Sound Sound Standard Select Auto Adjustment Frequency Adjustment PC Function Phase Adjustment H/V Position Adjustment Up to 32 analog pc mode memorize PIP On/Off PIP Source Select PIP Function...

  • Page 11: Key Component

    KEY COMPONENT Chip Model Key Components Maker Comments MST5151A SCALER, ADC, DVI(HDCP), LVDS MStar VCT49XYI AV, IF, TTX Micronas TA2024 Audio AMP Tripath HY5DU281622ET Hynix MX29LV8000BTTC-70 Flash IC62LV2568LL SRAM TEA6422 Audio Mux WT61P4 Expand I/O Weltrend TS5V330DBQR Component Mux Pericom DTT Option 74CBTLV3257 UART Input Mux...

  • Page 12: Service Mode Adjustment

    SERVICE MODE Press Still -> Sleep -> Mute -> Enter in the order from the remote controller to enter the service (factory) mode. SERVICE MENU Sub menu Initial Remarks Auto Color Gain adjustment: 1. Calibration PC calibration PC and DTV mode 2.
  • Page 13 6. Version Version Saturn VCT-PAL Release Firmware Version Panel used time Show panel used time TTX252PAGE 7. Reset Reset Initialize to factory mode Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 14: Firmware Update

    FIRMWARE UPDATE (1) With the TV power turned off with the master switch, connect the RS232C to the firmware update cable and open the executable file of the program (WareCubeDownload.exe). (2) Click on “File Open” to select Update File. Click on “Go” and it will be in standby condition for firmware update.
  • Page 15 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 16 Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 17: Block Diagram

    BLOCK DIAGRAM Main Board Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 18 POWER BOARD Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 19 PCB LAYOUT 1. JB : LVDS Signal 2. CN18 : To Power Board 3. CN14 : Main Power 4. CN15 : Sub Power 5. CN24 : N.C 6. CN17 : Key Pad 7. CN9 : Speaker 8. CN2 : To PC 9.
  • Page 20 INPUT LAYOUT HDMI Connects the HDMI cable to the HDMI connector on the computer. (or DVD player, Set-top Box etc) ANALOG RGB Connects the VGA signal cable to the VGA connector on the computer. AUDIO OUT Jack for connecting on Audio AMP. PC AUDIO IN Connect to the audio-output port of a PC.

  • Page 21: Circuit Diagram

    CIRCUIT DIAGRAM Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 22 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 23 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 24 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 25 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 26 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 27 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 28 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 29 Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 30: Osd Manual Structure

    OSD MANUAL STRUCTURE Level 1 Level 2 Level 3 Lever 4 Description Step Default Custom Dynamic Standard Picture(Video) Picture Mode Select Picture Standard Standard Movie Mild Brightness Dir_Birghtness Adjust brightness of image Contrast Dir_Contrast Adjust contrast of image Color Dir_Color Adjust color saturation of image Custom Tint...
  • Page 31 Auto-wide Wide Size Adjust screen aspect ratio Auto-wide Panorama Zoom Picture Size Adjust screen aspect ration Auto-wide (Video) 14:9 Custom High Picture Select picture standard Middle mode Middle Brightness Dir_Brightness Adjust brightness of image Custom Contrast Dir_Contrast Adjust contrast of image Sharpness Dir_Sharpness Adjust sharpness of image...
  • Page 32 Wide Size Adjust screen aspect ratio Wide Auto in Execute auto image adjustment EXE_Auto Progress Phase Adjust phase of PC image 100/64 (Image lock) H-Position Adjust horizontal position V-Position Adjust vertical position Adjust sampling clock Frequency frequency Custom Standard Mode Select sound standard Custom Music Movie...
  • Page 33 300kHz Adjust volume of 300kHz band 100kHz Adjust volume of 100kHz band Auto Auto volume level On/Off Volume Mono Stereo Dual I Dual II Nicam Mono Select MTS according to sound Sound Mode format Nicam Stereo Nicam Dual Nicam Dual DTV Sound Select SPDIF/Analog sound of Digital...
  • Page 34 Austria Belgium Croatia Denmark Finland France Country Set up country for TV tuning Deutschland Iceland Ireland Italia Netherlands Norway Poland Spain Sverige Schweiz East Europe Others Execute auto program Auto Store searching Prog Select program channel Auto Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 35 Color Select color system in current SECAM System program NT4.43 Sound Select sound system in current System program Manual Real Select cable/broadcast channel Store Channel Channel Real Channel Select channel number Number Execute frequency up/down Search Frequency searching Store channel setting to current Store program Add/Delete...
  • Page 36 Reset Reset user setting to default EXE_Reset Hour Adjust hours of current time Clock Minute Adjust minutes of current time Hour Adjust hours of on time On Time Minute Adjust minutes of on time Off/On Enable/Disable on time Off / On Hour Adjust hours of off time Off Time...
  • Page 37 German French Select language of OSD English Spanish Italian Enable/Disable On/Off OSD Tone OSD background blending Select blue/black screen for Blue On/Off Blanking screen Screen Enable/Disable PIP Setup OSD Language Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 38 Scart Input Source Select PIP source S-Video Component HDMI Input Source Large Double1 Size Adjust PIP screen size Large Double2 Model No.: LCT-42ELOSSTP.doc Version: 1.0...
  • Page 39 Position Select PIP position Large Right Bottom Position Swap main screen for PIP Right Top Swap Right Buttom screen Left Top Left Bottom Main Select main or PIP sound input Main Sound source Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 40: Bill Of Material

    B.O.M - Main Parts Code Part Name Q'ty Reference Main Board Ass'y LHP11-37LLAT-M10D2 D-SUB 15PIN CNJ05150 DSUB2 FEMAIL SCART CNJ13211 SCRT1 21P(SCREW) RCA3X2(6P) Ni CNJ02067 WR/GB CNJ02040 RCA2X2 Ni WW/RR CNJ09010 CXPTIC JACK CNJ04030 DIN Y/W/S-VIDEO/R CNW04321 4P 2.50 DIP_ST CN18 CNW06320 6P 2.50 DIP_ST...
  • Page 41 CC8,CC9,CC22,CC23,CC24,CC25,CC30,CC32, CCC10210 CC 1608 50V 1nK CC33,CC35,CC47,CC48,CC54,CC59,CC171,CC180 CC294,CC295,CC302,CC303 CC145,CC147,CC149,CC151,CC153,CC155,CC157 CCC15210 CC 1608 50V 1.5nK CC159,CC161,CC163,CC165,CC167 CCC22210 CC 1608 50V 2.2nK CC250,CC251 CCC47210 CC 1608 50V 4.7nK CC35,CC39 CCC10310 CC 1608 50V 10nK CC199,CC212,CC213,CC257 CC169,CC170,CC172,CC173,CC174,CC175,CC176, CCC47320 CC 1608 25V 47nK CC177,CC178,CC179,CC181,CC182,CC186 CC12,CC13,CC14,CC15,CC27,CC43,CC49,CC50,CC60 CC75,CC113,CC114,CC117,CC118,CC119,CC120,CC124 CC131,CC132,CC183,CC184,CC185,CC187,CC190,...
  • Page 42 CCE47230 CE 4X5.3 50V 4.7u CE21 CCE10300 CE 4X5.3 16V 10u CE70 CE14,CE24,CE25,CE26,CE27,CE28,CE29,CE30, CCE22300 CE 4X5.3 16V 22u CE31,CE32,CE33,CE34,CE35,CE42,CE81, CE7,CE15,CE16,CE49,CE59,CE61,CE62,CE63, CCE47300 CE 5X5.3 16V 47u CE66,CE67,CE68,CE69,CE71,CE72,CE74,CE75, CCE47330 CE 6.3X7.7 50V 47u CE18,CE57 CE 6.3X5.3 16V CE1,CE22,CE23,CE38,CE40,CE41,CE50,CE51, CCE10400 100u CE53,CE55,CE82,CE83,CE84 CCE22410 CE 8X10.5 25V 220u CE5,CE6,CE17,CE43,CE47,CE52,CE54,CE85 SW DIODE 100mA...
  • Page 43 CRA10110 RA 1608 100 1/10J RA2,RA11,RA14,RA28,RA29,RA30,RA31,RA32, CRA10210 RA 1608 1K 1/10J RA1,RA13 R3,R8,R30,R45,R74,R83,R84,R90,R100,R105, R106,R125,R179,R194,R197,R202,R203,R204,R205, R206,R234,R246,R247,R248,R250,R251,R252,R253, R254,R255,R256,R257,R258,R259,R260,R261,R263, CRC00010 RC 1608 0 1/10J R265,R267,R268,R270,R272,R273,R274,R276,R285, R288,R296,R309,R340,R344,R345,R353,R372,R374, R377,R379,R392,R393,R394,R411,R423,R424,R425, R430,R434,R437,R451,R452,R453,R454,R471,R473, R474,R477,R485,R494,R495,R498,R499,R514, FB39,FB40,CC51,CC53,R54, FB62,FB63,FB64, FB65, CRC00030 RC 2012 0 1/8J R70,R431,R432,R460,R461,R462,R463, R464,R465,R469,R470,R516, CRC30030 RC 1608 3.3 1/10J R510,R511 CRC40070 RC 1608 4.7 1/10J...
  • Page 44 CRC30210 RC 1608 3K 1/10J R58,R81,R354,R356,R357,R361,R362 CRC33210 RC 1608 3.3K 1/10J R352,R410,R436 R29,R30,R168,R169,R170,R171,R223,R224,R333, CRC47210 RC 1608 4.7K 1/10J R334,R337,R341,R407,R488 CRC82210 RC1608 8.2K 1/10J R380 CRC82221 RC1608 8.25K 1/10J R358 R110,R195,R200,R231,R291,R294,R297,R299, CRC10310 RC 1608 10K 1/10J R300,R301,R403,R405,R458,R484,R489,R492, CRC12310 RC1608 12K 1/10J R176,R457 CRC18310 RC1608 18K 1/10J...
  • Page 45 VIDEO CIC14011 CONTROLLER IMAGE CIC11010 PROCESSOR CIC21010 DAC 24-BIT 2ch DDR 128M 8X16 CIC01010 U18,U19 TSOP66 EEPROM 64Kbit CIC04016 SOCI-8 CIC03014 FLASH 8M TSOP-4B CIC07013 AUDIO AMP 15W/ch CIC19010 CPU 8051 PLCC-44 CIC17011 2-in Multipleaser V-DETECT 500mA CIC24010 U38,U39 2.5V CNW30110 30P 1.25 SVD RA CNH06190...
  • Page 46 B.O.M – POWER BOARD Part Name LOCATION SPEC1 Q'TY SPEC 2 APAT-42(FR-4, .6T, 245*140mm) T5A H 250V(LEAD TYPE) FUSE 50CT SCR1 BT169D(TO-92) PCR406J VARISTOR TVR14D621K(7.5mm) CNR 14D 621K THERMISTOR TH1,2,3 DSC 10D-15(7.5mm) CAP M.P 275VAC X2 684K(22.5mm) CAP M.P 275VAC X2 224K(22.5mm) CAP CERAMIC 250VAC AD102M 250VAC NK102M...
  • Page 47 DIODE STPS40H100CW(TO-3P) DIODE SFF1606G(TO-220FP) DIODE STPS2045CT(TO-220) DIODE SFF1604G(TO-220FP) IR21571PBF(DIP-16) AP1501 T5L(TO-220-5L) IC13 KA317L(TO-92) IC11 KA278R33(TO-220FP-4L) KIA278R33 IC REGULATOR IC3,9 KA78L15(TO-92) IC SHUNT IC7,10 SL431A(TO-92) KIA431A RTANSFORMER APWS-37-T1(EER4954) APWS-37-T1(EER4954) RTANSFORMER ACRP-32S-T3(EFD225) ACRP32S-T3(EFD2525) CHOKE-BAR 120uH(DR12*11mm) APWS-42-T2 APWS-42-T2(EER4042- CHOKE-BAR (EER4042-250uH) 250uH) CHOKE-NORMAL L7,8 NVA175-60110ND LINE FILTER DV505180BS...
  • Page 48 RESISTOR W/W 1N 0.8 5% RESISTOR M.O.R 1W 22 5% BEAD CORE BEAD1 SAT3580L CONNECTOR SMW250-11P CONNECTOR SMW250-10P CONNECTOR CN2A,CN2B 20010WS-14P CONNECTOR SMW250-4P HS101-ACRP-32S H/SINK HS101(Q4,Q6) (L50*H31*T10) HS102-ACRP-32S H/SINK HS102(BD1) (L70*H31*T10) HS103-ACRP-32S H/SINK HS103(Q3,Q8,D2) (L90*H31*T10) HS104 HS104-ACRP-32S H/SINK (D3,D12,D14,D18) (L110*H31*T10) HS105(IC8), H/SINK HS:TO-220P(15*30*11)
  • Page 49 RESISTOR(SMD) 2012, 1.8K RESISTOR(SMD) R10,39,48,81,98 2012, 10K RESISTOR(SMD) R36,58 2012, 10KF RESISTOR(SMD) 2012, 11K RESISTOR(SMD) 2012, 130KF RESISTOR(SMD) R47,88 2012, 100KF RESISTOR(SMD) R45,54 2012, 15 RESISTOR(SMD) R117 2012, 15K RESISTOR(SMD) 2012, 27K RESISTOR(SMD) 2012, 18KF RESISTOR(SMD) R38,41,50,57,89,109 2012, 1K RESISTOR(SMD) R76,79 2012, 2.2K RESISTOR(SMD)
  • Page 50 RESISTOR(SMD) 2012, 6.2KF RESISTOR(SMD) 2012, 6.8KF RESISTOR(SMD) R1,2,3,4 2012, 62K RESISTOR(SMD) 2012, 680 RESISTOR(SMD) 2012, 7.5KF RESISTOR(SMD) 2012, 8.2KF RESISTOR(SMD) R101 2012, 1M RESISTOR(SMD) R77,85 3216, 000J RESISTOR(SMD) R70,72 3216, 100K RESISTOR(SMD) R16,114 3216, 1K RESISTOR(SMD) R110,111,112,113 3216, 33K RESISTOR(SMD) 3216, 390KF RESISTOR(SMD) R9,15...

  • Page 51: Exploded View

    EXPLODED VIEW Model No.: LCT-42ELOSSTP.doc Version: 1.0...

  • Page 52: Part List

    PART LIST PART NAME REMARKS Deco Lower Mirror Deco Upper Front Cover Screw M3x5 (ZN) LCD Panel LC420W02 Cover LCD SECC 1.2T Power Switch Cover AC Socket PCB Cord Power PCB ASSY SCREW M3x5 (ZN) PCB Main PCB ASSY PCB Power PCB ASSY SCREW M3x5 (ZN)

  • Page 53: Wall Mount Installation Guide

    WALL-MOUNTING BRACKET INSTALLATION GUIDE READ CAREFULLY BEFORE INSTALLATION! THE INSTALLATION GUIDE SHOULD BE RETAINED FOR FUTURE REFERENCE. Caution: 1. Do NOT attempt to install the TV by yourself to avoid mistakes or hazard. Refer all installation to qualified servicing personnel. 2.

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