Akai lct2785ta Service Manual
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Akai lct2785ta Service Manual

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  • Page 1 " #" $ %&' # *'...
  • Page 2 " & ,!-#,!
  • Page 3 12 #( ! ! ( .8 ( 12 # ( %26* & 9 " 12 * .&2 12 *...
  • Page 4 " ,0 # +(4 $ < "...
  • Page 5 LVDSVDD LVDSGND 2,3,4 9,14 9,14 URST# MT8202E (PBGA388) LCDTV BOARD 4 LAYERS FOR AKAI URST# 8202UP3_1 8202UP3_1 GPIO2 GPIO2 3,12 GPIO4 GPIO4 GPIO14 GPIO14 3,13 GPIO19 GPIO19 3,13 7,9,14 12,13 1. INDEX / POWER / RESET / EEPROM FB42 FB42...
  • Page 6 SB33B Power ON alive source 100uF/16v 100uF/16v 0.1uF 0.1uF AZ1117-3.3V AZ1117-3.3V SB33 SB33A SB18A AZ1117/adj AZ1117/adj 5VSB LVDS_GND LVDS_GND 3,4,12 SB33A SB18 SB18A VFE_GND VFE_GND 3,4,8,11 R773 R773 CE79 CE79 CE78 CE78 100uF/16v 100uF/16v 100uF/16v 100uF/16v CB10 CB10 0.1uF 0.1uF 100uF/16v 100uF/16v 0.1uF...
  • Page 7 SB33B TP23 TP23 820k 820k TP43 TP43 SB33B XTALI XTALO 27MHz 27MHz 22pF 22pF 27pF 27pF LVDS_GND AP[0..7] AP[0..7] AN[0..6] AN[0..6] CLK1+ CLK1+ AUDIO_GND CLK1- RS-232 CLK1- AUDIO_GND 4,10 AADCVSS 4x1 W/HOUSING 4x1 W/HOUSING AADCVSS 4,10 LVDS_GND PLLVDD1 DIP4/W/H/P2.0 DIP4/W/H/P2.0 LVDS_GND 2,4,12 PLLVDD1...
  • Page 8 STANDBY ANALOG POWER NORMAL ANALOG POWER ASB18A ASB18A XTALVDD XTALVDD XTALVDD PLLVDD1 ADCVDD ADCVDD AVICM CB26 CB26 CE24 CE24 CB27 CB27 AVICM 4.7uF 4.7uF 0.1uF 0.1uF 10uF/10V 10uF/10V 4.7uF 4.7uF 0.1uF 0.1uF PWM2VREF PWM2VREF LVDS_GND LVDS_GND LVDS_GND DACFS DACFS PLLVDD2 LVDDA ASB33A LVDDA...
  • Page 9 IOA1 F_D0 DV25B DV25B D1V25 IOA2 F_D1 A_RA3 D_RA3 IOA3 F_D2 A_RA2 D_RA2 IOA4 F_D3 A_RA1 D_RA1 D_RA3 IOA5 F_D4 A_RA0 D_RA0 D_DQ0 D_DQ15 D_RA2 IOA6 F_D5 DQ15 D_RA1 IOA7 F_D6 VDDQ VSSQ 22x4 22x4 D_DQ1 D_DQ14 D_RA0 F_A8 F_D7 DQ14 A_RA6 D_RA6...
  • Page 10 AVCC AZ1117-1.8 AZ1117-1.8 DV33B DV33B AVCC VCC18 VI[0..23] CE609 CE609 VI[0..23] HDMICEN CB210 CB210 HDMICEN CE610 CE610 C611 C611 CE611 CE611 CE612 CE612 HDMIODCK 1000pF 1000pF 10uF/16v 10uF/16v 0.1uF 0.1uF CB211 CB211 DIODE EGA-0603 DIODE EGA-0603 HDMIODCK 0.1uF 0.1uF HDMIDE 100uF/16v 100uF/16v 47uF/16v...
  • Page 11 TXD:MT5351 Transmit RXD:MT5351 Receiver SB33B HDMIMCLK TXD1:MT5351& MT8205 Communication HDMIMCLK HDMIBCLK RXD1:MT5351& MT8205 Communication HDMIBCLK HDMILRCK HDMILRCK HDMISD0 R354 R354 0/NC 0/NC HDMISD0 R355 R355 0/NC 0/NC HDMIDE change 2/16 TXD1 R356 R356 HDMIDE HDMIODCK RXD1 R357 R357 HDMIODCK HDMIHSYNC DV33B HDMIHSYNC HDMIVSYNC...
  • Page 12 SWV9 INPUT ADC_IN0 ADC_IN0 CCIR_V0 CCIR_V0 CCIR_V5 R372 R372 CCIR_V5 CCIR_V7 100k 100k CCIR_V7 CE115 CE115 GPIO11 GPIO11 GPIO15 DV33B AV1_R GPIO15 GPIO16 GPIO16 GPIO17 0/NC 0/NC SWV9 GPIO17 22uF/25v 22uF/25v GPIO18 100k 100k GPIO18 VFE_GND SB33B R373 R373 VFE_GND 2,3,4,11 AADCVSS AADCVSS...
  • Page 13 CE119 CE119 AV_R HPVDD 10uF/25v 10uF/25v R398 R398 AV_L CE120 CE120 R399 R399 10uF/25v 10uF/25v C181 C181 CB63 CB63 YPBPR3_R CE121 CE121 10uF/25v 10uF/25v R400 R400 0.1uF 0.1uF 10uF/25v 10uF/25v SCL_8202 R401 R401 SCL14 SCL_8202 INPUT YPBPR3_L CE122 CE122 10uF/25v 10uF/25v R402 R402...
  • Page 14 CVBS0 CVBS0 CVBS1 CVBS1 CVBS2 CVBS2 THIS PAGE NEARLY IC C112 C112 4.7nF 4.7nF SOY0 CVBS_0 R197 R197 C110 C110 47nF 47nF CVBS0 C113 C113 330pF 330pF PB0+ R199 R199 C115 C115 100nF 100nF PB0+ PB0- PB0- PR0+ TV_GND PR0+ PR0- C116 C116...
  • Page 15 NEARLY 8202 NEARLY VGA CON RED+ RED+ VGA IN RED- RED- GREEN+ GREEN+ GREEN- GREEN- BLUE+ BLUE+ BLUE- RED+ BLUE- R435 R435 R132 R132 10nF 10nF VGASOG VGASOG VGAHSYNC# VGAHSYNC# D-SUB15 FEMALE D-SUB15 FEMALE VGAVSYNC# VGAVSYNC# DSUB15/DIP/F DSUB15/DIP/F 0/NC 0/NC R729 R729 DIODE SMD BAV99...
  • Page 16 GPIO0 GPIO0 GPIO2 GPIO2 CLK1+ CLK1+ CLK1- CLK1- AP[0..7] AP[0..7] AN[0..6] AN[0..6] LVDS_GND LVDS_GND 2,3,4 LVDSVDD 5VSB SB33B LVDSGND 2,3,4 CCIR_VCLK CCIR_VCLK CCIR_V4 CCIR_V4 LVDS OUT(Include PDP and 32' LCD LVDS interface) FCLK FCLK FCMD FCMD FDAT FDAT SCL_8202 SCL_8202 3,6,9 SDA_8202 CPUGO /PDPGO :INPUT TO PDP...
  • Page 17 3,15 GPIO10 GPIO10 SB33B GPIO12 KEYPAD GPIO12 GPIO13 GPIO13 5VSB SB33B GPIO14 R384 R384 R385 R385 R386 R386 R387 R387 R388 R388 R389 R389 GPIO14 PWM0 PWM0 R657 R657 PWM1 PWM1 R0603/SMD R0603/SMD 1000pF 1000pF TV/AV 8202UP3_0 GPIO12 TV/AV 1000pF 1000pF MENU 8202UP3_0...
  • Page 18 CVBS_0 CVBS_0 TV_GND TV_GND FQ1216 : PAL ADDRESS ADC_IN4 FQ1236 : NTSC TUNER ADC_IN4 SIF_9V 1,7,9 TUNER SIF1NTSC 4.5MHz BPF CE617 CE617 10uF/25v 10uF/25v R423 R423 FQ1236-MK3 FQ1236-MK3 C10UF25V/D4H5 C10UF25V/D4H5 R422 R422 1.8K 1.8K C645 10nF C645 10nF 1000pF/27pF 1000pF/27pF C646 C646 R418...
  • Page 19 GPIO1 GPIO1 3,13 SY_1 SY_1 AV1_R AV1_R SY_1_GND AV /YC VIDEO IN AV /YC AUDIO IN SY_1_GND DIODE SMD BAV99 DIODE SMD BAV99 SC_1 SC_1 AV1_IN 1.8uH 1.8uH R113 R113 CVBS_1 AV2_IN 1.8uH 1.8uH R125 R125 CVBS_2 R240 R240 SC_1_GND SC_1_GND SY_L SY_0...
  • Page 20 AOSDATA2 GPIO DECRIPTION AOSDATA2 AOMCLK AOMCLK AOBCLK UP3_4 : SW SCL AOBCLK AOLRCK AOLRCK UP3_5 : SW SDA SPOUTR SPOUTR AUSPR ERO0/UP3_0 :KEYPAD POWER AUSPR AUSPL AUSPL OPOUTR ERO1/UP3_1 : MAIN POWER SWITCH OPOUTR OPOUTL OPOUTL A_MUTE VCLK : KEPAD CH+ A_MUTE 9,17 AOSDATA2...
  • Page 21 GPIO8 GPIO8 GPIO9 GPIO9 AUSPR AUSPR 9,16 AUSPL AUSPL 9,16 A_MUTE A_MUTE OPOUTR OPOUTR OPOUTL OPOUTL R2S15102NP R2S15102NP 1000uF/35v 1000uF/35v R193 150K R193 150K C662 3pF C662 3pF CE166 CE166 OPOUTL 2.2uF/50v 2.2uF/50v CE168 CE168 R184 R184 LOUT PWM1 INTL ACM3225-102-2P ACM3225-102-2P 2.2uF/50v...
  • Page 22 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 BEAD/SMD/1206 RA-V2 ADDED AUDIO SWITCH / REFINE POWER CIRCUIT 2005/07/14 DV33 2,5,6,8 DV33 220uF/16v 8x1 W/HOUSING DIP8/W/H/P2.54 C220UF16V/D6H11 2,3,4,5,6,7,8...
  • Page 23 BEAD/SMD/0805 DV33 +12V +5V_TUNER BEAD/SMD/0805 220uF/16v 0.1uF 220uF/16v AZ1117/adj 0.1uF +12V +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 +5V_TUNER CB157 +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 24 +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 R0603/SMD TUNER_SDAO +5V_TUNER VS_Tuner_+5V Broad_IF_OP IF_AGC CB18 BEAD/SMD/0805 CE18 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 25 +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 26 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 27 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 TP/SMD/D1.0 NS/20pF NS/20pF AV33 OSC/SMD/A AV33 C0603/SMD C0603/SMD 5600pF DV25 2,5,7 DV25 C0603/SMD 1500pF 1500pF NS/50 NS/50...
  • Page 28 +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 29 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 30 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.
  • Page 31 TFT LCD Preliminary Specification MODEL NO.: V270B1 - L01 LCD TV Head Division 郭振隆 TVHD / PDD QRA Dept. DDIII DDII Approval Approval Approval Approval 陳永一 李汪洋 藍文錦 林文聰 LCD TV Marketing and Product Management Division 陳立宜 謝芳宜 Product Manager Version 1.0...

  • Page 32: Table Of Contents

    - CONTENTS - REVISION HISTORY ------------------------------------------------------- 1. GENERAL DESCRIPTION ------------------------------------------------------- 1.1 OVERVIEW 1.2 FEATURES 1.3 APPLICATION 1.4 GENERAL SPECIFICATIONS 1.5 MECHANICAL SPECIFICATIONS 2. ABSOLUTE MAXIMUM RATINGS ------------------------------------------------------- 2.1 ABSOLUTE RATINGS OF ENVIRONMENT 2.2 ELECTRICAL ABSOLUTE RATINGS 2.2.1 TFT LCD MODULE 2.2.2 BACKLIGHT UNIT 3.

  • Page 33: Revision History

    REVISION HISTORY Page Version Date Section Description (New) Ver 1.0 Jun. 15,’05 Preliminary Specification was first issued. Version 1.0...

  • Page 34: General Description

    1. GENERAL DESCRIPTION 1.1 OVERVIEW V270B1- L01 is a TFT Liquid Crystal Display module with 14-CCFL Backlight unit and 1ch-LVDS interface. The display diagonal is 27”. This module supports 1366 x 768 WXGA format and can display true 16.7M colors(8-bits colors). The inverter module for backlight is built-in. 1.2 FEATURES - Excellent brightness (550 nits) - Ultra high contrast ratio (1000:1)

  • Page 35: Absolute Maximum Ratings

    2. ABSOLUTE MAXIMUM RATINGS 2.1 ABSOLUTE RATINGS OF ENVIRONMENT Value Item Symbol Unit Note Min. Max. Storage Temperature ºC Operating Ambient Temperature ºC (1), (2) Shock (Non-Operating) (3), (5) Vibration (Non-Operating) (4), (5) Note (1) Temperature and relative humidity range is shown in the figure below. (a) 90 %RH Max.

  • Page 36: Electrical Absolute Ratings

    2.2 ELECTRICAL ABSOLUTE RATINGS 2.2.1 TFT LCD MODULE Value Item Symbol Unit Note Min. Max. Power Supply Voltage -0.3 Input Signal Voltage -0.3 2.2.2 BACKLIGHT UNIT Test Item Symbol Min. Type Max. Unit Note Condition Ta = 25 ℃ － －...

  • Page 37: Electrical Characteristics

    3. ELECTRICAL CHARACTERISTICS 3.1 TFT LCD MODULE Ta = 25 ± 2 ºC Value Parameter Symbol Unit Note Min. Typ. Max. Power Supply Voltage Power Supply Ripple Voltage Rush Current RUSH White Power Supply Current Black Vertical Stripe 1.65 Differential Input High +100 LVTH Threshold Voltage...

  • Page 38: Backlight Inverter Unit

    Note (3) The specified power supply current is under the conditions at Vcc = 5 V, Ta = 25 ± 2 ºC, f = 60 Hz, whereas a power dissipation check pattern below is displayed. b. Black Pattern a. White Pattern Active Area Active Area c.

  • Page 39: Inverter Characteristics

    3.2.2 INVERTER CHARACTERISTICS ( Ta = 25 ± 2 ºC) Value Parameter Symbol Unit Note Min. Typ. Max. Power Consumption (5), I = 4.7mA 22.8 25.2 Power Supply Voltage Power Supply Current Non Dimming Input Ripple Noise =22.8V Backlight Turn on 1790 Ta = 0 ºC Voltage...

  • Page 40: Inverter Intertface Characteristics

    Note (4) The life time of a lamp is defined as when the brightness is larger than 50% of its original value and the effective discharge length is longer than 80% of its original length (Effective discharge length is defined as an area that has equal to or more than 70% brightness compared to the brightness at the center point.) as the time in which it continues to operate under the condition Ta = 25 ±2℃...
  • Page 41 Note (2) The power sequence and control signal timing are shown as the following figure. Toff 2.0V BLON 0.8V Backlight on duration 2.0V Int. Dimming Function 0.8V Ext. Dimming Function PWMF PWMR 2.0V EPWM 0.8V 3.0V IPWM External External PWM Duty Period Minimun 100%...

  • Page 42: Block Diagram

    4. BLOCK DIAGRAM 4.1 TFT LCD MODULE FRAME BUFFER TFT LCD PANEL RX0(+/-) (1366x3x768) RX1(+/-) RX2(+/-) TIMING RX3(+/-) CONTROLLER RXCLK(+/-) DATA DRIVER IC DC/DC CONVERTER & REFERENCE VOLTAGE BACKLIGHT CN3-CN9:SM02 (8.0)B-BHS-1-TB(LF)(JST) UNIT INVERTER CONNECTOR CN1:S10B-PH-SM3-TB(D)(LF)(JST) CN2: S12B-PH-SM3-TB(D)(LF)(JST) E_PWM I_PWM BLON CN10: S2B-ZR-SM3A-TF (D)(LF)(JST) Version 1.0...

  • Page 43: Interface Pin Connection

    5. INTERFACE PIN CONNECTION 5.1 TFT LCD MODULE CNF1 Connector Pin Assignment Pin No. Symbol Description Note Ground Display Rotation SELLVDS Select LVDS data format No Connection No Connection ODSEL Overdrive Lookup Table Selection EN LCS Low Color Shift Ground RX0- Negative transmission data of pixel 0 RX0+...
  • Page 44 5.2 BACKLIGHT UNIT The pin configuration for the housing and leader wire is shown in the table below. CN3-CN9 (Housing): BHR-03VS-1 (JST) Pin No. Symbol Description Wire Color High Voltage Pink High Voltage White Note (1) The backlight interface housing for high voltage side is a model BHR-03VS-1, manufactured by JST. The mating header on inverter part number is SM02(8.0)B-BHS-1-TB(LF) or equivalent.

  • Page 45: Inverter Unit

    5.3 INVERTER UNIT CN1(Header):S10B-PH-SM3-TB(D)(LF)(JST) or equivalent. Name Description +24V Power input Ground CN2(Header): S12B-PH-SM3-TB(D)(LF)(JST) or equivalent. Name Description +24V Power input Ground Internal/external PWM selection High : external dimming Low : internal dimming External PWM control signal E_PWM E_PWM should be connected to low when internal PWM was selected (SEL = low).

  • Page 46: Block Diagram Of Interface

    5.4 BLOCK DIAGRAM OF INTERFACE CNF1 Rx0+ 51Ω RxOUT 100pF Rx0- TxIN R0-R7 R0-R7 51Ω 51Ω Rx1+ G0-G7 G0-G7 100pF Rx1- 51Ω B0-B7 B0-B7 Rx2+ 51Ω 100pF Rx2- 51Ω Rx3+ 51Ω 100pF Rx3- 51Ω Host CLK+ 51Ω Graphics 100pF DCLK CLK- Controller 51Ω...

  • Page 47: Lvds Interface

    5.5 LVDS INTERFACE TRANSMITTER INTERFACE RECEIVER TFT CONTROL SIGNAL THC63LVDM83A CONNECTOR THC63LVDF84A INPUT SELLVDS SELLVDS SELLVDS SELLVDS INPUT Host TFT-LCD OUTPUT TxIN0 Rx OUT0 Rx OUT1 TxIN1 TxIN2 TA OUT0+ Rx 0+ Rx OUT2 TxIN3 Rx OUT3 TxIN4 Rx OUT4 TxIN6 TA OUT0- Rx 0-...

  • Page 48: Color Data Input Assignment

    5.6 COLOR DATA INPUT ASSIGNMENT The brightness of each primary color (red, green and 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 the assignment of color versus data input.

  • Page 49: Interface Timing

    6. INTERFACE TIMING 6.1 INPUT SIGNAL TIMING SPECIFICATIONS The input signal timing specifications are shown as the following table and timing diagram. Signal Item Symbol Min. Typ. Max. Unit Note Frequency 1/Tc Input cycle to LVDS Receiver Clock Trcl cycle jitter Setup Time Tlvsu LVDS Receiver Data...
  • Page 50 LVDS RECEIVER INTERFACE TIMING DIAGRAM RXCLK+/- RXn+/- Tlvsu Tlvhd 11 T Version 1.0...

  • Page 51: Power On/Off Sequence

    6.2 POWER ON/OFF SEQUENCE To prevent a latch-up or DC operation of LCD module, the power on/off sequence should be as the diagram below. Power Supply 0.9 V 0.9 V 0.1Vcc 0.1V ≦10ms 0≦T ≦50ms 0≦T ≦50ms 0≦T 500ms ≦T VALID Signals Power Off...

  • Page 52: Optical Characteristics

    7. OPTICAL CHARACTERISTICS 7.1 TEST CONDITIONS Item Symbol Value Unit Ambient Temperature 25±2 Ambient Humidity 50±10 Supply Voltage Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS" 4.7 ± 0.5 Lamp Current 56 ± 3 Oscillating Frequency (Inverter) 7.2 OPTICAL SPECIFICATIONS The relative measurement methods of optical characteristics are shown in 7.2.
  • Page 53 Note (1) Definition of Viewing Angle (θx, θy): Viewing angles are measured by EZ-Contrast 160R (Eldim) Normal θx = θy = 0º θy- θ θ 12 o’clock direction = 90º θx− θ = 90º θx+ 6 o’clock θ = 90º θ...
  • Page 54 Note (4) Definition of Luminance of White (L Measure the luminance of gray level 255 at center point and 5 points = L (5) = [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5 L (x) is corresponding to the luminance of the point X at the figure in Note (7). Note (5) Definition of Cross Talk (CT): ×...
  • Page 55 Note (7) Definition of White Variation (δW): Measure the luminance of gray level 255 at 5 points δW = Maximum [L (1), L (2), L (3), L (4), L (5)] / Minimum [L (1), L (2), L (3), L (4), L (5)] Horizontal Line 3D/4 : Test Point...

  • Page 56: Definition Of Labels

    8. DEFINITION OF LABELS 8.1 CMO MODULE LABEL The barcode nameplate is pasted on each module as illustration, and its definitions are as following explanation. E207943 CHI MEI V270B1 -L01 Rev. XX MADE IN TAIWAN OPTOELECTRONICS X X X X X X X Y M D L N N N N (a) Model Name: V270B1-L01 (b) Revision: Rev.

  • Page 57: Packaging

    9. PACKAGING 9.1 PACKING SPECIFICATIONS (1) 4 LCD TV modules / 1 Box (2) Box dimensions : 742(L) X 327 (W) X 510 (H) (3) Weight : approximately 19Kg ( 4 modules per box) 9.2 PACKING METHOD Figures 9-1 and 9-2 are the packing method LCD TV Module Carton dimensions: 742(L)x327(W)x510(H)mm Anti-Static Bag...
  • Page 58 Corner Protector:L1020*50mm*50mm Pallet:L1100*W1100*H135mm Corrugated Fiberboard:L1100*W1100mm Pallet Stack:L1100*W1100*H1160mm Gross:168kg PE Sheet Carton Label Film PP Belt Figure. 9-2 packing method Version 1.0...

  • Page 59: Precautions

    10. PRECAUTIONS 10.1 ASSEMBLY AND HANDLING PRECAUTIONS (1) Do not apply rough force such as bending or twisting to the module during assembly. (2) It is recommended to assemble or to install a module into the user’s system in clean working areas. The dust and oil may cause electrical short or worsen the polarizer.

  • Page 60: Mechanical Characteristics

    11. MECHANICAL CHARACTERISTICS Version 1.0...
  • Page 61 Version 1.0...
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