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No. 0250

KEYPAD

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Содержание L19DP03C

Страница 1: ...tsicherheit in diesem Wartungshandbuch zu lesen SERVICE MANUAL MANUEL D ENTRETIEN WARTUNGSHANDBUCH Data contained within this Service manual is subject to alteration for improvement Les données fournies dans le présent manuel d entretien peuvent faire l objet de modifications en vue de perfectionner le produit Die in diesem Wartungshandbuch enthaltenen Spezifikationen können sich zwecks Verbesseru...

Страница 2: ... 9 5 5 LVDS 11 5 6 Inverter 12 6 IC SPECIFICATIONS 13 6 1 Microcontoller Video Audio Processor VCT4953G 13 6 2 Scaler De interlacer MST5x7A M 16 6 3 Audio Amplifier TDA2822 19 6 4 HeadPhone Amplifier TDA1308T 19 6 5 Audio Matrix Switch TEA6422D 20 6 6 HDMI Receiver ANX9021 21 6 7 Video Switch PI5V512 23 6 8 Tuner DTT71306 24 6 9 SAW Filter X6966M 25 6 10 I2C Switch 74HCT4053 26 6 11 Audio DAC CS43...

Страница 3: ...market with VCT4913G microcontroller video audio processor chip on a 2 layer PCB Since the target market is EU the first release of the TV will support PAL SECAM B G D K I L L The target panels are 15 1024x768 and 19 w 1440x900 TFT LCD panels A DVD loader is used to read DVD content and a DVB T module card is used to support DVB T 15 TV will use 12V 4 16A DC adapter 19 TV will use 12V 5 83A DC ada...

Страница 4: ...c opt Picture Modes Bright Standard Soft Media Window Enhancement MWE White balance settings warm normal cool for TV PC Backlight brightness setting movie normal bright Multi System Reception PAL SECAM BG DK I I L L NTSC Video Playback WSS 16 9 4 3 Aspect Ratio Auto Switch Channel Type Sorting Favorite Sport Music News Movie Tuning Options FST Frequency Search Optional APS Auto Search Name Sort Au...

Страница 5: ...trolled symmetrical IF output type The IF signal is filtered by a single SAW filter Inter carrier sound demodulation is performed by the system After the SAW filter block IF signal is processed by VCTI IF demodulator Audio signal is digitally filtered in the IF demodulator block The same IF signal is buffered and sent to DVB T module card tdm1300 Since VCTI can handle all the audio processing ther...

Страница 6: ...ith the currents drawn is shown below 4 MICROCONTROLLER PORT CONFIGURATION PIN NO PORT NAME SIGNAL NAME TYPE FUNCTION 47 P10 MST_RESET PROTECT O I Scaler reset Short circuit detection 48 P11 TV_RXD I IDTV UART receive signal 49 P12 TV_TXD O IDTV UART transmit signal 50 P13 IRQ O IDTV interrupt request signal 51 P14 KEY I Keyboard function select 52 P15 SC_PIN8 I Scart function select 53 P16 DVD_IR...

Страница 7: ...NVM 28 P23 IR I Infrared input Table 4 1 VCTI port configuration 5 SIDE BOARDS CONNECTORS 5 1 Keyboard A four pin connector is used between 17mb27 and the keyboard Figure 5 1 1 Keyboard connector KEY signal is sent directly to microcontroller ADC port and depending on the voltage level of KEY signal microcontroller performs one of these actions menu program program volume volume and source SOFT_SW...

Страница 8: ...dule board tdm1300 is used to receive digital terrestrial broadcast signals Three cables are used to connect 17mb27 and tdm1300 power data and IF 12V 500mA is sent to tdm1300 by power cable Figure 5 3 1 DVB T module card power connection on 17mb27 Analog RGB YPbPr CVBS stereo audio tuner control SCL SDA AGC and three GPIO port outputs of tdm1300 together with UART ports TV_RXD TV_TXD IRQ are carri...

Страница 9: ... tdm1300 board microcontroller The IF intermediate frequency output of the tuner is sent to tdm1300 board for digital reception Figure 5 3 3 IDTV IF connector on 17mb27 5 4 DVD module board DVD module board has two parts a loader and an electronic card Electronic card controls the loader and has connections with 17mb27 and DVD keypad Three cables are used to connect 17mb27 and DVD electronic card ...

Страница 10: ...onnection on 17mb27 Y C and or CVBS video stereo audio outputs and infra red input of DVD module board is carried on data cable Figure 5 4 2 DVD data connector on 17mb27 When a DVD is inserted into the loader the DVD electronic card sends an interrupt signal DVD_SENSE to the 17mb27 microcontroller ...

Страница 11: ...igure 5 4 3 DVD_SENSE connector on 17mb27 5 5 LVDS connector MST507A M is used for single LVDS output and MST517A M is used for dual LVDS output on 17mb27 Figure 5 5 1 Single LVDS output connector on 17mb27 ...

Страница 12: ...ctor on 17mb27 Panel_Vcc1 is the power input for the panel LCD module PIN7 signal is a logic 1 or 0 signal depending on the panel type 5 6 Inverter 12V power backlight on off control and dimming control signal are sent to the inverter board ...

Страница 13: ...ector on 17mb27 6 IC SPECIFICATIONS 6 1 Microcontoller Video Audio Processor VCT4913G VCTI49xy is composed of microcontroller video proccessor display and deflection processor sound proccessor and IF blocks as shown in below figure ...

Страница 14: ...14 Figure 6 1 1 VCTI49xy block diagram ...

Страница 15: ... package types PSSDIP88 and PMQFP144 PSSDIP88 package is chosen because of its convenience in the soldering process PSSDIP88 package has two versions 1 and 2 PSSDIP88 2 package is the pinning mirrorred version of PSSDIP88 1 and is preferred to be used for layout compatibility ...

Страница 16: ...isplay processing engine and an integrated multi purpose output display interface that can support all major panel interface formats To further reduce system costs the MST517A M also integrates intelligent power management control capability for green mode requirements and spread spectrum support for EMI management Input mode detection support analyzes input video signal H V polarity H V frequency...

Страница 17: ...attributes MST also supports dual channel 6 bit single channel 8 bit TTL panel interface and 6 8 bit LVDS panel interface MST517A M supports up to WXGA 1440x900 SXGA 1400x1050 display resolution with up to 135 MHz dot clock and MST507A M supports up to XGA 1024x768 display resolution with up to 85 MHz dot clock Figure 6 2 1 Internal block diagram of MST5x7A M ...

Страница 18: ...18 Figure 6 2 2 Pinning of MST5x7A M ...

Страница 19: ... The features of this amplifier are Supply voltage down to 1 8 V Low crossover distortion Low quiescent current Bridge or stereo configuration Figure 6 3 1 TDA2822M package 6 4 Headphone Amplifier TDA1308T TDA1308T is an integrated class AB stereo headphone driver contained in an SO8 DIP8 or a TSSOP8 plastic package SO8 package is used in 17mb27 The device is fabricated in a 1mm CMOS process The m...

Страница 20: ...io Matrix Switch TEA6422D TEA6422D is a bus controlled audio matrix switch in an SO28 plastic monopackage The main features of TEA6422 D are 6 stereo inputs 3 stereo outputs Gain control Cascadable 2 different addresses Serial bus controlled Low noise Low distortion ESD protection Wide dynamic range 3 Vrms ...

Страница 21: ...MI data streams and decodes the selected input into digital audio and vide o data outputs The receiver incorporates Analogix s proprietary WideEye architecture which has receiv ed considerable industry acclaim when introduced in Analogix s 6 25 Gbps SerDes products for telecom a nd datacom applications Applying the same advanced techniques in ANX9021 allows displays systems to achieve errorfree HD...

Страница 22: ...om YCbCr both directions 601 and 709 standards Auto video mode configuration Analog RGB YPbPr output with 8 bit linearity Digital audio interface o 32 to 192 kHz audio sampling rate o Up to 4 I2S interface for 8 channel audio o S PDIF interface supporting PCM Dolby Digital DTS digital audio transmission using IEC 60958 and IEC 61937 o Configurable soft mute Integrated HDCP decryption engine and pr...

Страница 23: ... are High performance low cost solution to switch between video sources Wide bandwidth 550 MHz Low On Resistance 5Ω Low crosstalk at 10 MHz 90dB Ultra low quiescent power 0 1μA typical Single supply operation 5 0V Fast switching 10ns Packaging Pb free Green available 24 pin 150 mil wide plastic QSOP Q Figure 6 7 1 Block diagram of PI5V512 ...

Страница 24: ...opean digital terrestrial standard ETS 300744 and CENELEC standards EN 55013 and EN 55020 It covers all channels from 44 25 MHz to 863 25 MHz The main features of DTT713xx are Integrated tuner for digital and anlog broadcasting Low phase noise high sensitivity performance Small size 50mm x 35mm x 12mm Internal wide band AGC 3V3 and 5V I2C bus programmable General purpose port output Antenna power ...

Страница 25: ...25 Figure 6 8 1 Block diagram of DTT713xx 6 9 SAW Filter X6966M X6966M is a SAW Surface Acoustic Wave band pass filter at 36 125 MHz Figure 6 9 1 Package of X6966M ...

Страница 26: ...iple 2 channel analog mux demux with a common enable input Each multiplexer demultiplexer has two independent inputs outputs nY0 and nY1 a common input output nZ and three digital select inputs S1 to S3 Figure 6 10 1 Pin configuration of 74HCT4053 Figure 6 10 2 Logic symbol of 74HCT4053 ...

Страница 27: ...an ultra linear analog low pass filter This architecture allows for infinite adjustment of sample rate between 2 kHz and 100 kHz simply by changing the master clock frequency The main features of CS4334 are Complete stereo DAC system interpolation D A output analog filtering 24 bit conversion 96 dB dynamic range 88 dB THD N Low clock jitter sensitivity Single 5V power supply Filtered line level ou...

Страница 28: ...N of typical CMOS analog switches The channel select input structure provides protection when voltages between 0 V and 5 5 V are applied regardless of the supply voltage This input structure helps prevent device destruction caused by supply voltage input output voltage mismatch battery backup hot insertion etc Main features of NLAST4599 are Select Pin Compatible with TTL Levels Channel Select Inpu...

Страница 29: ...29 Chip Complexity 38 FETs Figure 6 12 1 Pin assignment of NLAST4599 Figure 6 12 2 Logic symbol of NLAST4599 Figure 6 12 3 Function table of NLAST4599 ...

Страница 30: ...FOR ALL PARTS PLEASE MAKE CONTACT WITH ASWO FOR YOUR LOCAL OUTLET GO TO www aswo com ...

Страница 31: ...EW PC ZN YFMB 3 x 9 5 9 10 11 12 13 5 6 7 8 NO 2 3 1 4 1 1 1 2 2 2 4 QTY 1 1 BACK CVR LCD 1996 97 W IDTV DVD FB DVD SCREW PC ZN YSMB 4 x 16 12 1 17TK104 17TK104 S 1 1 BUTTON POWER 1709W EKO GRAY I BUTTON FUNC DVD TFT 1709W SILVER P 1 SCREW PC ZN YFMB 3 x 9 5 2 LENS LED 2832WRF MILKY I 1 SCREW PC ZN YFMB 3 x 9 5 4 20 COVER FOOT LCD 1996 1 SCREW CZ NY FMBM 4 x 12 SILVER ROSH 4 17LD62 1 21 METAL INSE...

Страница 32: ...10R 12 R286 820R 12 R273 470R 12 R380 27k 12 R303 10k 1 2 C458 47p 50V 1 2 C174 100n 16V 1 2 3 Q158 BC858B 1 2 3 Q112 BC848B 12 S109 12 C161 1n 50V 12 C120 47n 16V 1 2 C435 10p 50V 12 R274 470R 12 R138 47R 1 2 3 D125 BAV9 9 1 2 C106 12p 50V 12 R203 100R 12 R104 75R 12 R113 2k2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN111 1 2 3 D123 BAV9 9 12 R260 220R 12 R149 3k3 1 2 3 45 6 7 8 U691 ST24LC21 1 2 C420...

Страница 33: ... 100n 16V 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 11 U701 VCT4953 12 R258 68R 12 R437 2k2 12 R125 150R 1 2 3 Q161 BC858B 1 2 C196 100n 16V 12 C371 1u 50V 12 R384 1k 12 R448 33k 1 2 3 Q118 ...

Страница 34: ...100n 16V 12 C226 100n 16V 12 C222 100n 16V 12 C219 100n 16V 12 C217 100n 16V 12 C213 100n 16V 12 C212 100n 16V 5V 5V PWM2 PWM1 5V 5V VPO VDD VAD VDPLL 12 R115 390R VAD VAD PWM 2 3V3 5V PWM0 PWM 0 PWM 1 BKL_ON OFF 3V3_STBY 1 2 3 Q133 BC848B B_TXOUT0 B_TXOUT0 B_TXOUT1 B_TXOUT1 B_TXOUT2 VDD 12 F158 600R 12 F154 600R PVCC_ON OFF 1 2 3 Q131 BC848B 1 2 3 Q132 BC848B VPO TXOUT3 B_TXOUT0 B_TXOUT0 B_TXOUT1...

Страница 35: ... 16V 1 2 C157 100u 6V3 1 2 C145 10u 16V 12 R236 100R 12 R155 3k3 12 S132 12 R342 10k 1 2 3 Q142 BC848B 1 2 C156 100u 6V3 12 R235 100R 12 R154 3k3 12 S133 12 R341 10k 1 2 3 Q141 BC848B 1 2 3 45 6 7 8 U696 MP1593 12 D121 SS33 12 L107 22u 12 C369 8n2 50V 12 R255 5k6 12 R338 10k 12 R289 15k 12 R470 2k 1 2 C256 100n 16V 1 2 C428 10n 16V 1 2 C143 10u 16V 12 R234 100R 12 R153 3k3 12 R152 3k3 12 R340 10k ...

Страница 36: ... U702 TEA6422D 3V3 12 R160 10k 12 D105 C12V 12 D107 C12V 12 D108 C12V 12 D106 C12V 12 F124 75R 12 R475 4R7 12 R473 4R7 1 2 R474 4R7 12 C479 100n 16V 12 C478 100n 16V 1 2 C476 100n 16V 12 R467 910R 12 R466 910R 12 R161 10k 1 2 C494 10n 16V 1 2 C493 10n 16V 1 2 C491 10n 16V 12 F123 75R 1 2 3 4 5 6 7 8 U693 TDA2822M 1 2 CN102 12 R425 39k 12 R156 220k 12 R422 39k 12 C331 220n 16V 12 R157 220k 12 R424 ...

Страница 37: ...10 100n 16V 1 2 C146 10u 16V 12 R148 47R 12 R287 330R 1 2 C307 100n 16V 12 R245 100R 12 R244 100R HDMI1_HP HDMI0_HP DVDD18 DVDD33 DVDD18 DVDD33 DVDD18 DVDD33 AVDD33 HDMI1_D1N HDMI1_D1P AVDD33 HDMI1_D2N HDMI1_D2P AVDD33 HDMI1_D0N HDMI1_D0P HDMI1_CLKP HDMI1_CLKN AVDD33 AVDD33 HDMI0_D2P HDMI0_D2N AVDD33 AVDD33 HDMI0_D1N HDMI0_D1P HDMI0_D0P HDMI0_D0N AVDD33 AVDD33 AVDD33 HDMI0_CLKN HDMI0_CLKP DVDD1 8 ...

Страница 38: ...No 0250 IR RECEIVER ...

Страница 39: ...No 0250 KEYPAD ...

Страница 40: ...No 0250 KEYPAD DVD ...

Страница 41: ... C255 R255 C369 C495 C503 C248 C249 F111 R340 U68 8 R406 D143 D144 R1 06 R1 08 R1 05 R1 04 R411 R159 C413 C123 C347 D104 R208 R210 R206 F1 25 TH101 D134 D123 R309 C172 S111 R308 Q158 Q112 U691 R499 F1 47 C384 S1 37 F1 64 JK1 06 R48 9 C173 R113 S1 D129 S2 S113 R114 R260 R261 S1 38 C383 S1 65 F 114 C267 S167 C259 C425 C131 C323 C263 C268 JK1 03 Q105 R174 D116 D114 C420 F1 35 C127 R202 R201 R415 D141...

Страница 42: ...3 TP163 TP124 TP125 TP123 TP130 TP120 TP117 TP119 TP118 TP121 TP132 TP162 TP165 TP155 TP142 TP154 TP153 TP145 TP146 TP147 TP148 TP152 TP167 TP108 TP114 TP111 TP101 TP160 TP102 TP126 TP133 TP131 TP129 TP164 TP144 TP166 TP149 TP139 TP151 TP109 TP110 TP113 TP106 ...

Страница 43: ...4 R280 R392 C163 C165 F137 Z 1 0 1 C331 R422 Q111 R188 R310 R490 R312 Q124 Q127 C328 C327 C510 R467 C480 F162 C476 D106 R221 R487 R177 C507 U699 C203 R369 C266 C260 R424 C509 C422 Q159 R123 C177 C494 C508 F121 C478 D105 F116 C542 C548 Q160 Q161 R349 C521 F129 S159 S158 R281 R436 R258 R259 C264 R239 R268 JK104 CN114 Q162 Q128 R446 C513 R136 R190 R143 F134 R274 R141 S106 C349 C382 C381 C436 C231 R11...

Страница 44: ...47 Milano Italia ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 33 04 72 14 29 70 Fax 33 04 72 14 29 99 Email france consommateur hitachi...

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