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SERVICE MANUAL Model: LCT27HA36 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……………………………………………………………………77~107 9. Explored View………………………………………………………………………108 10. Spare Pare List………………………………………………………………………109~111 11.
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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”...
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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.
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Technical Specification Product Model: LCT27HA36 Screen Size: 27” diagonal Screen Area: 596.259mm(H) x 335.232mm(V) Aspect Ratio: 16:9 External Size: 686mm(W) x 554mm(H) x 250mm(D) (with Stand) Net Weight: 12.5kg (with Stand) Resolution: 1366 (H) x 768 (V) pixels (Each pixel has R/G/B 3 color...
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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...
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Remote Control P ower ( ): Press to turn on and off. 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;...
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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...
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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.
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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.
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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.
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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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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...
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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.
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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 Thermal Resistance See Fig.3 θja ℃/W ximum Temperature Junction temperature...
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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 >...
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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 (note) ・ STBYL: High level:normal operation Low level:Stand-by ・...
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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...
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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...
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)
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.
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 ℃ Lamp Voltage 3000 -...
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...
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. a. White Pattern b. Black Pattern Active Area Active Area c.
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...
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℃...
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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%...
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.
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).
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.
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...
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 0≦T ≦10ms 0≦T ≦50ms 0≦T ≦50ms 500ms ≦T VALID Signals Power Off...
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" Lamp Current 4.7 ± 0.5 Oscillating Frequency (Inverter) 56 ± 3 7.2 OPTICAL SPECIFICATIONS The relative measurement methods of optical characteristics are shown in 7.2.
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Note (1) Definition of Viewing Angle (θx, θy): Viewing angles are measured by EZ-Contrast 160R (Eldim) Normal θx = θy = 0º θy- θ 12 o’clock direction θ = 90º θx− θ = 90º θx+ 6 o’clock θ = 90º θ...
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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): CT = | Y –...
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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...
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.
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.
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ILO LCT27AD (LCT27HA36) S- MT8202 CMO(V270B1-L13 V2.0) AC120V/60HZ USA SILVER/BLACK 1> 510-L27AD03-06AK CARTON BOX ILO LCT27HA36 K 1.000000 Piece 2> 580-L27AD4A-01AP IB E FOR ILO LCT27HA36 TV+DTV 1.000000 Piece CMO S-MT8202 USA 3> E3407-081001 CORD FFC P0.5 50P L=110 B-0.5- 1.000000 Piece 50X110-4(8)X4(8)-0.3X0.035 4>...
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Spare part list for LCT27HA36 19> 387-L27AD01-04AH MODEL PLATE (GENERAL GLUE) 1.000000 Piece ILO LCT27HA36 ENG USA H 20> 389-L32AB01-01 PVC SHEET L32AB 2.000000 Piece 21> 426-L27AD05-01S POWER BRACKET THROUGH 1.000000 Piece WITHOUT SWITCH LCT27AD 22> 428-L27AD01-01S PANEL BRACKET 1.000000 Piece 23>...
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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....
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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. 113/129...
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9. The update process is successful as the progress bar is 100%. After the update process is ok, 114/129...
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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 .
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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 116/129...
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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 117/129...
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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....
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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) 121/129...
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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 .
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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.
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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 124/129...
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3. Cables Standard for Upgrade Board 125/129...
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