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KAWA LCT37AD Service Manual

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Summary of Contents for KAWA LCT37AD

  • Page 2 SCOTT SERVICE MANUAL Model: LCT32SHA 1. Safety Instructions………………...………………………………………………….1~2 2. Trouble Shooting manual of LCD…………………………………………………….3~5 3. Product Specification………………………………………………………………….6~8 4. Block Diagram….…………………………………………………………………….9 5. Circuit diagram……………………………………………………………………….10~34 6. Basic Operation & Circuit Description………………………………………………35~37 7. Main IC Information…………………………………………………………………38~76 8. Panel Information……………………………………………………………………77~105 9. Explored View………………………………………………………………………106 10. Spare Pare List………………………………………………………………………107~109 11.
  • Page 3 I. Safety Instructions The l ig h tn i ng fla sh w i th arro wh e ad symb ol , within an equilatera l triangle, is intended to alert CAUTION the user to the presence of uninsulated “ dangerous voltage”...
  • Page 4 PRODUCT SAFETY NOTICE 4. Completely discharge the high pote ntial voltage of the picture tube before handli ng. The pi cture tube is a Many e lectrical an d mechanica l parts in this TV vacuum and if bro ken, the gl ass will explode. receiver have special safety-related characteristics.
  • Page 5 " & ,!-#,! 3／127...
  • Page 6 12 #( ! ! ( .8 ( 12 # ( %26* & 9 " 12 * .&2 12 * 4／127...
  • Page 7 " ,0 # +(4 $ < " 5／127...
  • Page 8 Product Specification Product Model: LCT37SHA Screen Size: 37” diagonal Screen Area: 819.6mm(H) x 460.8mm(V) Aspect Ratio: 16:9 External Size: 925.8mm(W) x 708.0mm(H) x 240.0mm(D) (with Stand) Gross Weight: 24 kg Resolution: 1366 (H) x 768 (V) pixels (Each pixel has R/G/B 3 color cells) Pixel Dot Pitch: 0.6mm(H) x 0.6mm(V) Color:...
  • Page 9 Support the Signal Mode D-Sub Mode (VGA) Horizontal Vertical Resolution Frequency Frequency (kHz) (Hz) 31.50 60.00 640 x 480 37.86 72.81 35.16 56.25 800 x 600 37.90 60.32 48.08 72.19 1024 x 768 48.40 60.00 HDTV Mode (YPbPr) Horizontal Vertical Resolution Frequency Frequency (kHz) (Hz) 480i...
  • Page 10 Remote Control   P ower ( ): Press to turn on andoff.   M ute ( ): Press to mute the sound. Press again or press VOL+/- to restore the sound.   0 ~9 Number Buttons: In TV mode, press 0~9 to select a channel; the channel changes after 2 seconds.
  • Page 11 POWER BOARD Flash Optical 32mb Output 256M Standby 5V MT5351 MPEG Decoder TD1336 X6965D MT5111 Digital Tuner SAW Filter 256M DTV Demodulator 24VA (For Class D) 24V (For LCD Panel) DTV BOARD MAIN BOARD HDMI 74L VC245A X4 MT8293 24 bit RGB Switch HDMI Receiver Analog Tuner...
  • Page 12 20pF 20pF H : WP DISABLE L : WP ENABLE 10K/NC 10K/NC SYSTEM EEPROM FROM POWER BOARD KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title INDEX / POWER / RESET / EEPROM INDEX / POWER / RESET / EEPROM...
  • Page 13 0.1uF 220uF/16v 220uF/16v LVDS_GND 300 1% 300 1% LVDS_GND 0.1uF 0.1uF R326 R326 180 1% 180 1% 1.25x(1+180/300)=1.99V LVDS_GND KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title Document Number Document Number Document Number Size Size Size <Designer> <Designer> <Designer>...
  • Page 14 DGND/BALL DGND/BALL RXD1 TXD1 BGA388/SMD BGA388/SMD SB33A MT8202 MT8202 DV18A SB33A DV18A R351 R351 DV33A SB33B SB33B DV33A KAWA Confidential KAWA Confidential KAWA Confidential SB18A TP50 TP50 TP51 TP51 SB18A VFE_GND R745 R745 CB135 CB135 TP52 TP52 ADIN Title Title...
  • Page 15 AUDIO_GND AADCVSS CE25 CE25 0.1uF 0.1uF 47uF/16V 47uF/16V C0603/SMD C0603/SMD ADCV33A LVDS_GND 150uH 150uH ADACVDD DACFS L/IND/DIP/P10.0 L/IND/DIP/P10.0 KAWA Confidential KAWA Confidential KAWA Confidential CE35 CE35 CE36 CE36 CB48 CB48 LVDS_GND 10uF/10V 10uF/10V 470uF/16V 470uF/16V 0.1uF 0.1uF AUDIO_GND AUDIO_GND LVDS_GND...
  • Page 16 DV25B 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF VREF VREF DECOUPLING DV25A VREF CE44 CE44 CE46 CE46 CLOSE TO 8202 PIN KAWA Confidential KAWA Confidential KAWA Confidential 220uF/16v 220uF/16v 220uF/16v 220uF/16v DV25A CB125 CB125 CB126 CB126 CB127 CB127 CB128 CB128 CB129 CB129 0.1uF...
  • Page 17 0/NC R705 R705 R706 R706 47k/NC 47k/NC 47k/NC 47k/NC DDC_SCL 9993_SCL WHEN USE HDMI COAXOUT,C127 CHANGE 0 RES AVCC AVCC KAWA Confidential KAWA Confidential KAWA Confidential UPA672T UPA672T DDC_SDA R711 R711 0/NC 0/NC 9993_SDA Title Title Title HDMI INPUT MT8293...
  • Page 18 CON50 CON50 R643 R643 GPIO3 2N3904 2N3904 0/NC 0/NC SOT23/SMD/NC SOT23/SMD/NC FOR MT5351 INTERFACE DIP7/P2.0/NC DIP7/P2.0/NC KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title MT5351 INTERFACE MT5351 INTERFACE MT5351 INTERFACE Document Number Document Number Document Number Size Size Size <Designer>...
  • Page 19 0/NC R451 R451 SOT23/SMD/NC SOT23/SMD/NC FB/NC FB/NC 1uF/NC 1uF/NC +3.3V DIP6/W/H/P2.54 DIP6/W/H/P2.54 DVD POWER CONTROL KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title DAUGHTER BOARD IN DAUGHTER BOARD IN DAUGHTER BOARD IN Size Size Size Document Number Document Number Document Number <Designer>...
  • Page 20 R653 R654 R654 5.1K 5.1K U46B U46B 10uF/25V 10uF/25V 2N3904 2N3904 CE150 CE150 SOT23/SMD SOT23/SMD AVL_OUT1 AVL_OUT KAWA Confidential KAWA Confidential KAWA Confidential C152 C152 OP1VREF 10uF/25v 10uF/25v C606 C606 NJM4558 OPA NJM4558 OPA R655 R655 C100UF16V/D6H11 C100UF16V/D6H11 820pF 820pF...
  • Page 21 47uF/16V MPX2 C143 C143 C144 C144 15pF 15pF 15pF 15pF AADCVSS KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title AUDIO / VIDEO IN CIRCUIT AUDIO / VIDEO IN CIRCUIT AUDIO / VIDEO IN CIRCUIT Document Number Document Number Document Number...
  • Page 22 C171 C171 VGAL_IN MAX3232 MAX3232 220pF 220pF change VGA/DVI AUDIO INPUT KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title VGA IN & PC AUDIO IN VGA IN & PC AUDIO IN VGA IN & PC AUDIO IN Document Number...
  • Page 23 FCMD 2N3904 2N3904 CCIR_VCLK R108 R108 R289 R289 10k/NC 10k/NC CCIR_V4 R109 R109 KAWA Confidential KAWA Confidential KAWA Confidential FHP USE USE WHEN LG V6 Title Title Title LVDS OUT LVDS OUT LVDS OUT Document Number Document Number Document Number...
  • Page 24 10k/NC R111 R111 R316 R316 PWM1 2N3904/NC 2N3904/NC 4.7k/NC 4.7k/NC BACK LIGHT CIRCUIT KAWA Confidential KAWA Confidential KAWA Confidential Title Title Title BACK LIGHT / KEYPAD BACK LIGHT / KEYPAD BACK LIGHT / KEYPAD Document Number Document Number Document Number...
  • Page 25 C657 TV_GND 330pF 330pF 330pF 330pF TV_GND SIF_9V FB22 FB22 FB20 FB20 DIP8/P2.0 DIP8/P2.0 CE634 CE634 CB243 CB243 KAWA Confidential KAWA Confidential KAWA Confidential 0.1uF 0.1uF Title Title Title <Title> <Title> <Title> Title Title Title Size Size Size Document Number...
  • Page 26 CR2_GNDB PR3_GND CR3_GNDB FB35 FB35 FB36 FB36 FB37 FB37 Title Title Title AV IN AV IN AV IN KAWA Confidential KAWA Confidential KAWA Confidential Document Number Document Number Document Number Size Size Size <Designer> <Designer> <Designer> AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0 Checked:...
  • Page 27 Title Title Title SUB WOOFER SUB WOOFER SUB WOOFER Document Number Document Number Document Number Size Size Size <Designer> <Designer> <Designer> KAWA Confidential KAWA Confidential KAWA Confidential AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0 AKAI_MT8202_27US_LVDS_V0.0 Checked: Checked: Checked: <Checker> <Checker> <Checker> Date: Date: Date: Thursday, April 13, 2006...
  • Page 28 CB245 CB245 R155 R155 0.1uF 0.1uF REMARKS: * FOR LCDTV R780 R187 R760 CB16 CB19 CE22 LCDTV KAWA Confidential KAWA Confidential KAWA Confidential 51K 2.2K NC GPIO8: SPEAKER SWITCH(INTERNAL OR EXTERNAL Title Title Title AUDIO Amplifier AUDIO Amplifier AUDIO Amplifier...
  • Page 29 MT5351RA-V2 MT5111 / MT5351 REFERENCE DESIGN - 4 LAYERS BEAD/SMD/1206 +12V CB142 220uF/16v 0.1uF History DATE C220UF16V/D6H11 C0603/SMD RA-V1 INITIAL VERSION 2005/06/15 +12V +12V RA-V2 ADDED AUDIO SWITCH / REFINE POWER CIRCUIT 2005/07/14 BEAD/SMD/1206 DV33 2,5,6,8 DV33 220uF/16v 8x1 W/HOUSING C220UF16V/D6H11 DIP8/W/H/P2.54 2,3,4,5,6,7,8...
  • Page 30 BEAD/SMD/0805 DV33 +12V +5V_TUNER BEAD/SMD/0805 220uF/16v 0.1uF 220uF/16v +12V AZ1117/adj 0.1uF +12V +5V_TUNER C220UF16V/D6H11 C0603/SMD SOT223/SMD R0603/SMD C220UF16V/D6H11 C0603/SMD BEAD/SMD/0805 DV33 VOUT 1,5,6,8 DV33 220uF/16v 0.1uF 220uF/16v 0.1uF CB157 +5V_TUNER +5V_TUNER C220UF16V/D6H11 C0603/SMD C220UF16V/D6H11 C0603/SMD CE32 0.1uF DV33_DM DV33_DM AP1084/TO220-DIP/5V 220uF/16v DV18 DV18...
  • Page 31 +5V_TUNER CB17 BEAD/SMD/0805 +5V_TUNER CE17 0.1uF 10uF/16v C0603/SMD C10UF16V/D5H11 Outdoor PS VS_splitter_+5V OOB_OP RF_AGC R0603/SMD R0603/SMD R0603/SMD R0603/SMD TUNER_SCLO TUNER_SDAO R0603/SMD +5V_TUNER VS_Tuner_+5V Broad_IF_OP IF_AGC CB18 CE18 BEAD/SMD/0805 Narrow_IF_OP1 0.1uF 10uF/16v Narrow_IF_OP2 C0603/SMD C10UF16V/D5H11 IF_AGC 4.7K R0603/SMD PORT TUNER TD1336/FGHP 10nF C0603/SMD +5V_TUNER...
  • Page 32 +5V_TUNER +5V_TUNER DV33_DM DV33_DM DV18 DV18 1,2,3,5,6,7,8 ORESET# 1,5,8 ORESET# DVDD33 GLOBAL SIGNAL MT5111_RF_AGC R F_AGC R F_AGC R F_AGC R F_AGC RF_AGC IF_AGC IF_AGC R0603/SMD 47nF C0603/SMD 2nd_IF+ 2nd_IF+ 2nd_IF- 2nd_IF- MT5111_IF_AGC IF_AGC IF_AGC IF_AGC IF_AGC IF_AGC IF_AGC TUNER_SCLO TUNER_SCLO TUNER_SDAO TUNER_SDAO...
  • Page 33 IOR_Y6 TP/SMD/D1.0 IOB_Y5 TP/SMD/D1.0 IOG_Y4 TP/SMD/D1.0 DV33 1,2,6,8 DV33 DV25 2,6,7 DV25 DV12 DV12 1,2,3,4,6,7,8 DV12 ORESET# 1,4,8 ORESET# REQUEST# REQUEST# READY# READY# OSDA0 OSDA0 OSCL0 OSCL0 OPWM0 OPWM0 DV33 OXTALI OXTALI OXTALO OXTALO POWE# IOVDD POWE# POCE0# VCXO0 IOVDD POCE0# VCXO0 POOE0#...
  • Page 34 NS/560 R0603/SMD NS/10M R0603/SMD DV33 U2CTS OXTALI OXTALO CB42 NS/10 0.1uF R0603/SMD NS/27MHz C0603/SMD AV33 AV33 CRYS/DIP/SMD OSC1 CAPVPLL CAPVGND APLLCAP1 APLLCAP0 DV33 NS/74.25MHz 1,2,5,8 DV33 NS/20pF NS/20pF TP/SMD/D1.0 AV33 OSC/SMD/A AV33 C0603/SMD C0603/SMD DV25 5600pF 2,5,7 DV25 C0603/SMD 1500pF 1500pF NS/50 NS/50...
  • Page 35 +1V25_DDR +1V25_DDR DV25 DV25 DV25 DV25 RWE# RN14 22x4 MEM_WE# MEM_ADDR5 RN15 75x4 RDQ0 RN16 47x4 MEM_DQ0 RN17 75x4 R CAS# MEM_CAS# MEM_ADDR4 RDQ1 MEM_DQ1 RCS# MEM_CS# MEM_ADDR13 RDQ2 MEM_DQ2 RBA0 MEM_BA0 MEM_WE# RDQ3 MEM_DQ3 RA10 RN18 22x4 MEM_ADDR10 MEM_ADDR10 RN19 75x4 RDQ4...
  • Page 36 PDA1 PDD0 PDA2 PDD1 PDA3 PDD2 DV33 DV33 1,2,6 PDA4 PDD3 DV33 1,2,5,6 DV33 PDA5 PDD4 PDA6 PDD5 1,2,3,4,5,6,7 PDA7 PDD6 PDA8 PDD7 NS/4.7K NS/4.7K R0603/SMD R0603/SMD PDA9 ORESET# 1,4,5 ORESET# PDA10 PDA0 PDA1 PDA2 PDA11 GLOBAL SIGNAL PDA12 PDA13 ORESET# NS/4.7K PDA14...
  • Page 37 Basic Operations & Circuit Description MODULE There are 1 pcs panel and 5 pcs PCB including 3 pcs Extension PCB, 1 pcs Timming controller board and 1 pcs Back Light board in the Module. There are 6 pcs PCBs including 1 pcs ATV Tuner board, 1 pcs keypad board, 1 pcs Remote Control Receiver board, 2 pcs L/R Speakers and 1 pcs Main(Video)board, 1 pcs ATSC board in the SET.
  • Page 38 PCB funtion 1. Power : (1). Input voltage: AC 120V, 60Hz. (2). To provide power for PCBs. 2. Main board : To converter TV signals, S signals, AV signals, Y Pb/Cb Pr/Cr signals, DVI/HDMI signals and D-SUB signals to digital ones and to transmit to Control board. 3.
  • Page 39 PCB failure analysis 1. CONTROL : a. Abnormal noise on screen. b. No picture. 2. MAIN : a. Lacking color, Bad color scale. b. No voice. (Make sure status: Mute / Internal, External speaker) c. No picture but with signals output, OSD and back light. d.
  • Page 40 Main IC Specifications - M13S128168A (ESMT) 2M x 16 Bit x 4 Banks Double Data Rate SDRAW - MT5111CE Single-Chip HDTV/CATV Demodulator - MT5351 MT5351 is a DTV Backend Decoder SOC which support flexible transport demux, HD MPEG-2 video decoder, MPEG1,2, MP3, AC3 audio decoder, HDTV encoder. MT5351 is powered by ARM 926EJ with 16K I-Cache and 16K D-Cache.
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  • Page 66 Digital Power Amplifier R2S15102NP 10Wx2ch(SE)/20Wx1ch(BTL) Digital Audio Power Amplifier 1.Outline   R2S15102NP is a Digital Power Amplifier IC developed for TV.   R2S15102NP can realize maximum Power 10W × 2ch Ｆｉｇ．１ Package (VD = 24V,THD = 10%, SE) at 8 Ω load.   It is possible to replace from the conventional analog amplifier ２０...
  • Page 67 Digital Power Amplifier R2S15102NP ５．Pin Configuration(Table.1) NAME Description Power Output pin #1 OUT1 Power supply pin for power output stage #2 − Stand-by control pin. When this is “L”, circuit current is STBYL reduced.There is the pull-down resistor:50Kohm(typ.). PWM input pin #1 ( for phase compensation) PWM1 Analog input #1.
  • Page 68 Digital Power Amplifier R2S15102NP ６．Absolute Maximum Rating(Table.2) Symbol Parameter Condition Value Unit VD max Maximum VD Voltage VD1,VD2 pin volta HB max Maximum HB Voltage HB1、HB2 pin voltage Power dispassion Ta = 25°C :See Fig.3 See Fig.3 θja ℃/W Thermal Resistance ximum Temperature ℃...
  • Page 69 Digital Power Amplifier R2S15102NP Consideration about the PCB design The Power dispassion at 10Wx2ch(SE) or 20Wx1ch(BTL) is estimated almost 2W. It has enough margin, designing the PCB at θja=30℃/W. (1)PCB basic design (copper plane) <the best design : 4 layer PCB> GND plane Power plane thermal via <PCB size estimation >...
  • Page 70 Digital Power Amplifier R2S15102NP ７．Recommended Operating condition(Table.3) Symbol Parameter Condition Unit Supply Voltage VD1,VD2 pin voltage YL、MUTEL Control voltage of high level Control voltage of low level STBYL、MUTEL fosc Carrier Frequency R= 33ｋΩ ・ STBYL: High level:normal operation (note) Low level:Stand-by ・...
  • Page 71 Digital Power Amplifier R2S15102NP (note) “R for GND” ‘s are ９．Application Examples for the evaluation only and not needed actually. Fig.4  SE operation mode(10Wx2ch) 0.1u 1000u VD=+11〜25V 0.047u 0.1u 0.1u 20 19 Vz=27〜３０V 15uH Vz=27〜３０V 15uH 330u 330u OUT1 OUT2 Exposed 8Ω 8Ω...
  • Page 72 Digital Power Amplifier R2S15102NP (note) Fig.6  BTL operation mode(20W)  “R for GND” ‘s are for the evaluation only and with PWM direct input not needed actually. 8Ω 0.1u 1000u VD=+11〜25V 0.047u 0.1u 0.1u 20 19 Vz=27〜３０V 15uH Vz=27〜３０V 15uH BTL Configuration OUT1 OUT2 Exposed Die Pad 0.1u 0.1u R2S15102...
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  • Page 79 LC370WX1 Liquid Crystal Display Product Specification SPECIFICATION APPROVAL ) Preliminary Specification ● Final Specification Title 37.0” WXGA TFT LCD 77／127...
  • Page 80 LC370WX1 Liquid Crystal Display Product Specification 1. General Description LC370WX1 is a Color Active Matrix Liquid Crystal Display with an integral External Electrode Fluorescent Lamp(EEFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating in the normally black mode. It has a 37.02 inch diagonally measured active display area with WXGA resolution (768 vertical by 1366 horizontal pixel array) Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical stripes.
  • Page 81 LC370WX1 Liquid Crystal Display Product Specification 2. Absolute Maximum Ratings The followings are maximum values which, if exceeded, may cause faulty operation or damage to the unit. Table 1. ABSOLUTE MAXIMUM RATINGS Value Parameter Symbol Unit Remark at 25 ± 2 °C VLCD -0.3 14.0...
  • Page 82 LC370WX1 Liquid Crystal Display Product Specification 3. Electrical Specifications 3-1. Electrical Characteristics It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and liquid crystal. The other input power for the EEFL/Backlight is to power inverter. Table 2_1.
  • Page 83 LC370WX1 Liquid Crystal Display Product Specification Table 2_2. ELECTRICAL CHARACTERISTICS Value Parameter Symbol Unit Note Inverter : Power Input Voltage 22.4 24.0 26.2 Power Input Voltage Ripple mVp-p Unloading Input Voltage 28.0 Operating Power Input Current Turn on 1, 2 Power Consumption Brightness Adjust Input Voltage for...
  • Page 84 LC370WX1 Liquid Crystal Display Product Specification 3-2. Interface Connections This LCD employs two kinds of interface connection, a 30-pin connector is used for the module electronics and two 12-pin Connectors are used for the integral backlight system. 3-2-1. LCD Module - LCD Connector(CN1) : FI-X30SSL-HF (Manufactured by JAE) or Equivalent - Mating Connector : FI-X30C2L (Manufactured by JAE) or Equivalent Table 3.
  • Page 85 LC370WX1 Liquid Crystal Display Product Specification Table 4. REQUIRED SIGNAL ASSIGNMENT FOR LVDS TRANSMITTER ( Pin9=“L” or “Open” ) Host System DS90C385 Timing 24 Bit or Compatible Controller FI-X30SSL-HF RED0 RED1 TxOUT0- RxIN0- 100Ω RED2 TxOUT0+ RxIN0+ RED3 RED4 RED5 TxOUT1- RxIN1- 100Ω...
  • Page 86 LC370WX1 Liquid Crystal Display Product Specification Table 5. REQUIRED SIGNAL ASSIGNMENT FOR LVDS TRANSMITTER ( Pin9=“H” ) Host System DS90C385 Timing 24 Bit or Compatible Controller FI-X30SSL-HF RED0 RED1 TxOUT0- RxIN0- 100Ω RED2 TxOUT0+ RxIN0+ RED3 RED4 RED5 TxOUT1- RxIN1- 100Ω...
  • Page 87 LC370WX1 Liquid Crystal Display Product Specification 3-2-2. Backlight Inverter Input Connector -Inverter Connector : S12B-PH-SM3(manufactured by JST) or Equivalent -Mating Connector : PHR-12 or Equivalent Status Connector -Inverter Connector : 20022WR-02A00(manufactured by Yeon Ho co., Korea) or Equivalent -Mating Connector : 20022HR-02S00(manufactured by Yeon Ho co., Korea) or Equivalent Table 6.
  • Page 88 LC370WX1 Liquid Crystal Display Product Specification 3-3. Signal Timing Specifications This is the signal timing required at the input of LVDS Transmitter. All of the interface signal timing should be satisfied with the following specifications for it’s proper operation. Table 7. TIMING TABLE (DE only Mode) ITEM Symbol Min.
  • Page 89 LC370WX1 Liquid Crystal Display Product Specification 3-4. Signal Timing Waveforms 0.7VDD Hsync, Vsync, DE, Data 0.3VDD 0.5 Vcc DCLK Valid data 1366 1366 Invalid data Invalid data DE(Data Enable) DE(Data Enable) 87／127...
  • Page 90 LC370WX1 Liquid Crystal Display Product Specification 3-5. Color Data Reference The brightness of each primary color(red,green,blue) is based on the 8-bit gray scale data input for the color the higher the binary input, the brighter the color. The table below provides a reference for color versus data input.
  • Page 91 LC370WX1 Liquid Crystal Display Product Specification 3-6. Power Sequence Power Supply For LCD Valid Data Interface Signal (Tx) Option Signal (DISM, DCR_Enable) Lamp ON Power for Lamp Table 9. POWER SEQUENCE Value Parameter Unit 0 < T8 < T2 0 < T9 < T5 Note : 1.
  • Page 92 LC370WX1 Liquid Crystal Display Product Specification 3-6-2. Power Sequence for Inverter 24V (typ.) Power Supply For Inverter Inverter Enable (On/Off) 3-6-3. Deep condition for Inverter (Min) x 0.8 Table 10. POWER SEQUENCE FOR INVERTER Value Remark Parameter Unit After Inverter’s connected (Min) x 0.8 Note : T 1 describes rising time of 0V to 24V and is not applied at restarting time.
  • Page 93 LC370WX1 Liquid Crystal Display Product Specification 4. Optical Specification Optical characteristics are determined after the unit has been ‘ON’ for 30min in a dark environment at 25±2°C. The values specified are at an approximate distance 50cm from the LCD surface at a viewing angle of Φ and θ...
  • Page 94 LC370WX1 Liquid Crystal Display Product Specification Notes 1. Contrast Ratio(CR) is defined mathematically as : Surface Luminance with all white pixels Contrast Ratio = Surface Luminance with all black pixels It is measured at the center point(1). is measured when Dynamic CR is enabled. 2.
  • Page 95 LC370WX1 Liquid Crystal Display Product Specification Measuring point for surface luminance & measuring point for luminance variation ② ③ ① ⑤ A : H / 4 mm ④ B : V / 4 mm H : 819.6 mm V : 460.8 mm @ H,V : Active Area FIG.
  • Page 96 LC370WX1 Liquid Crystal Display Product Specification Dimension of viewing angle range Normal φ = 90 ° , Up φ = 180 ° , Left θ φ φ = 0 ° , Right φ = 270 ° , Down FIG. 4 Viewing angle 94／127...
  • Page 97 LC370WX1 Liquid Crystal Display Product Specification 5. Mechanical Characteristics The following items provide general mechanical characteristics. In addition the figures in the next page are detailed mechanical drawing of the LCD module. Table 13. MECHANICAL CHARACTERISTICS Horizontal 877.0 mm Outline Dimension Vertical 516.8 mm Depth...
  • Page 98 LC370WX1 Liquid Crystal Display Product Specification <FRONT VIEW> 96／127...
  • Page 99 LC370WX1 Liquid Crystal Display Product Specification <REAR VIEW> Master Slave 97／127...
  • Page 100 LC370WX1 Liquid Crystal Display Product Specification 6. Reliability Table 14. ENVIRONMENT TEST CONDITION Test Item Condition Ta= 50 ° C 240h High temperature storage test Ta= -20 ° C 240h Low temperature storage test Ta= 40 ° C 50%RH High temperature operation test 240h Ta= 0 °...
  • Page 101 LC370WX1 Liquid Crystal Display Product Specification 7. International Standards 7-1. Safety a) UL 60950-1:2003, First Edition, Underwriters Laboratories, Inc., Standard for Safety of Information Technology Equipment. b) CAN/CSA C22.2, No. 60950-1-03 1 Ed. April 1, 2003, Canadian Standards Association, Standard for Safety of Information Technology Equipment. c) EN 60950-1:2001, First Edition, European Committee for Electrotechnical Standardization(CENELEC) European Standard for Safety of Information Technology Equipment.
  • Page 102 LC370WX1 Liquid Crystal Display Product Specification 8. Packing 8-1. Designation of Lot Mark a) Lot Mark A,B,C : SIZE(INCH) D : YEAR E : MONTH F ~ M : SERIAL NO. Note 1. YEAR Year 2001 2002 2003 2004 2005 2006 2007 2008...
  • Page 103 LC370WX1 Liquid Crystal Display Product Specification 9. Precautions Please pay attention to the followings when you use this TFT LCD module. 9-1. Mounting Precautions (1) You must mount a module using holes arranged in four corners or four sides. (2) You should consider the mounting structure so that uneven force (ex. Twisted stress) is not applied to the module.
  • Page 104 LC370WX1 Liquid Crystal Display Product Specification 9-3. Electrostatic Discharge Control Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain that treatment persons are connected to ground through wrist band etc. And don’t touch interface pin directly. 9-4.
  • Page 105 LC370WX1 Liquid Crystal Display Product Specification Appendix 1. The figure of the DCR_ENABLE Circuit Block Diagram 60Kohm 60Kohm 100ohm DCR_Enable DCR_Enable 100ohm BL_Enable ASIC 3Kohm (TCON) System Side LCM Side Fig.5 The DCR_ENABLE Circuit Block Diagram 103／127...
  • Page 106 104／127...
  • Page 107 ATSC TUNER PCB ASS'Y (MT5111CE) W/ 1.000000 O MAX3232 8> 200-L37AD21-06AA CABINET FRONT BLACK LCT37SHA LPL 1.000000 Piece PANEL USA A 9> 202-L37AD05-01AA CABINET BACK BLACK LCT37AD A 1.000000 Piece 10> 206-L37AD01-01R SPEAKER BACK COVER BLACK 1.000000 Piece 11> 231-L32AD01-05AR BASE COVER BLACK(SA-598) 1.000000...
  • Page 108 Spare part list for LCT37SHA 19> 310-142804-01T POLYBAG FOR 32" 37" STAND T 1.000000 Piece 14"X28"X0.04 20> 310-444750-07V POLYBAG 44X47X50 1.000000 Piece 21> 370-42D102-01 PAD CORD SPONG FOR SPK 1.000000 Piece 22> 370-L32AD01-01Y RUBBER FOOT 20X6 L32AD Y 6.000000 Piece 23>...
  • Page 109 Spare part list for LCT37SHA 39> 522-421D01-01 MASKING PAPER 1.000000 Piece 40> 560-L37AD01-04AP MODEL LABEL SCOTT LCT37SHA S- 1.000000 Piece MT8202 USA P 41> 563-119- SERIAL NO. LABEL 1.000000 Piece 42> 568-P46T02-02 WARNING LB ENG 42SF NIL 1.000000 Piece 43> 578-L37AD01-01AP FUNCTION SHEET FOR TERMINAL 1.000000...
  • Page 110 2.000000 Piece 65> E6203-37PD01 DISPLAY LCD 37" LPL LC370WX1-SL02 1.000000 Piece V1.0 66> E7301-010002 BATTERY AAA R03P1.5V <2> 2.000000 Piece 67> 771BL27AD01-02 IR RECEIVE PCB ASS'Y FOR "ILO" LCD 1.000000 S-MT8202 68> 771KL37AD01-01 KEY PCB ASSY FOR LCT37AD 1.000000 108／127...
  • Page 111 If you forget your V-Chip Password - Omnipotence V-Chip Password: 8202. Using the “Change Password” item When enter the “V-Chip” menu, select “Change Password”. Press ▲ or ▼ button to highlight the “Change Password” item. Press Enter button to confirm and pop up a menu. Use 0~9 buttons input the omnipotence password(8202), then Press Enter button to enter and pop up a menu.
  • Page 112 Software Upgrade Process of update MT8202 Preparing : 1． Connect the Plasma/LCD TV and PC with the Software Upgrade Board.Please find the details for connecting refering to the appendix at the end of this file. 2． Store the MtkTool into the PC . Downloading : 3．...
  • Page 113 6． Choose the bit rate as 115200. 7． Select the update binary by pressing browse button. For example,the binary file name is (this update firmware will be sent to your side) PDP4210EA1_V09.bin. 8． Press Upgrade button and start update process. 111／127...
  • Page 114 9． The update process is successful as the progress bar is 100%. After the update process is ok, 112／127...
  • Page 115 turn off power and wait indicator light is off. Turn on power and TV can work. Checking It is needed to check the version of the firmware for MT8202 which has been download into the Plasma TV . Press Menu button of the remote control，following input “8202”of the remote control and OSD menu for Factory Setting is appeared on the screen .
  • Page 116 Connect another side of RS232 cable (#2) to the board (#1) 2.2 Connect RS232-VGA cable (#4) (RS232 side) to the board (#1) Connect RS232-VGA cable (#4) (VGA side) to the TV 114／127...
  • Page 117 2.3 Connect USB cable (#5) to the board (#1) Connect another side of USB cable (#5) to PC 3. Cables Standard for Upgrade Board 115／127...
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  • Page 121 Process of update MT5351AG Preparing : 1． Connect the Plasma/LCD TV and PC with the Software Upgrade Board.Please find the details for connecting refering to the appendix at the end of this file. 2． Store the MtkTool into the PC Downloading : 3．...
  • Page 122 6． Choose the bit rate as 115200. Select the update binary by pressing browse button. For example,the binary file name is 7． (this update firmware will be sent to your XXXX_PDP4210EA1_000000XX_X_P.bin. side) 120／127...
  • Page 123 8． Press Upgrade button and start update process. 9． The update process is successful as the progress bar is 100%. After the update process is ok, turn off power and wait indicator light is off. Turn on power and TV can work. Checking : It is needed to check the version of the firmware for MT5351AG which has been download into the Plasma TV .
  • Page 124 Appendix: Quick Installation Guide Software Upgrade Board 1. Parts List - Software upgrade board x 1 (#1) - RS232 null cable x 1 for PC (#2) - RS232 null cable x 1 for DTV (#3) - USB cable x 1 (#5) 2.
  • Page 125 2.2 Connect RS232 cable for DTV (#3) to the board (#1) Connect another side of RS232 cable for DTV (#3) to the TV 2.3 Connect USB cable (#5) to the board (#1) Connect another side of USB cable (#5) to PC 123／127...
  • Page 126 3. Cables Standard for Upgrade Board 124／127...
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