Hitachi HTD-K180E, Service Manual

Page 1: ...genieur die Sicherheitshinweise und Hinweise zurProduktsicherheit indiesemWartungshandbuchzulesen 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 leproduit Die in diesem Wartungshandbuch enthalte...

Page 2: ...Servo controlling and data channel processing Video Related Features Macrovision 7 1 for NTSC PAL interlaced video Simultaneous composite video and S video outputs or composite and YUV outputs or composite and RGB outputs 8 bit CCIR 601 YUV 4 2 2 output Decodes MPEG video and MPEG2 main profile at main level Maximum input bit rate of 15 Mbits sec Audio Related Features Dolby Digital AC 3 and Dolby...

Page 3: ...k data chip select The infrared remote control signal is passed directly to the MT1379 for decoding 1 5 REAR PANEL A typical rear panel is included in the referance design This rear panel supports Six channel or two channel audio outputs Optical and coax S PDIF outputs Composite S Video and SCART outputs The six video signals used to provide CVBS S Video and RGB are generated by the MT1379 s inter...

Page 4: ...2 SYSTEM BLOCK DIAGRAM and MT1379 PIN DESCRIPTION 2 1 MT1379 PIN DESCRIPTION ...

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Page 13: ...2 1 SYSTEM BLOCK DIAGRAM System block diagram is shown in the following figure ...

Page 14: ...utput section consists of a programmable CRT controller capable of operating either in Master or Slave mode The video output section features internal line buffers which allow the outgoing luminance and chrominance data to match the internal clock rates with external pixel clock rates easily facilitating YUV4 2 2 to YUV4 2 0 component and sample conversion A polyphase filter achieves arbitrary hor...

Page 15: ...nd 512 sampling frequency formats where sampling frequency Fs is usually 32 kHz 44 1 kHz 48 kHz 96 kHz or 192 kHz The audio samples for the I 2 S transmit interface can be 16 18 20 24 and 32 bit samples For Linear PCM audio stream format the MT1379 supports 48 kHz and 96 kHz Dolby Digital audio only supports 48 kHz MT1379 incorporates a built in programmable analog PLL in the device architecture i...

Page 16: ...nd output impedance This control voltage allows devices to over ride the composite video input with RGB inputs for example when inserting closed caption text It is called fast because this can be done at the same speeds as other video signals which is why it requires the same 75R impedances 0 to 0 4 V TV is driven by the composite video input signal pin 19 Left unconnected it is pulled to 0V by it...

Page 17: ...he IC803 generates feedback signal bu using optocoupler s photo transistor This photo transistor adjusts the control voltage at the IC800 pin3 The voltage at this pin effects the pwm output frequency on the IC800 pin5 And finally output voltages reach their correct values by this way Voltage regulator IC805 LM7805 supplies 5 Volts IC807 supplies 5V off on standby mode IC809 supplies 3 3V by using ...

Page 18: ...this is turned off There are antenna inputs for AM FM tuner 11 4 DDX Board Class D Amplifier Chipset 1xDDX 8228 2x DDX 2050 Architecture 1xFull Bridge 5xHalf Bridge Power Supply 30V unipolar supply 6A max 3 3V 0 1A typ Audio Input Interface Serial I2S Control Interface I2C Power Interface 30V 6A Max 3 3V 0 1A Typ Output Interface Speaker Level Speakers 4 OhmSatellites 8 Ohm Subwoofer Output Power ...

Page 19: ...PLAY button from remote for Setup Menu Press 1 3 5 7 at Setup Menu Setup Menu screen refresh and Version selection can be seen under Preferences Setup Select Version for version page BUILD NO contains version and Hardware option other information for development only Details of Build No as follows Press DISPLAY button on remote control to exit menu ...

Page 20: ...d be no Volume Name for CD Open Tray and place update CD 4 You can see 5 Press Play button to start upgrade 6 You can see File copying OSD message for a few second 7 Tray is open automatically 8 No need for CD in tray Take it from away 9 During upgrade procedure CD upgrade start Please wait indicator at OSD and UPG indicator at VFD 10 Upgrade procedure takes about a few minutes please wait if tray...

Page 21: ...Pay attention the left side Select CD and CD_ROM ISO on the upper left side of screen ...

Page 22: ...Select No Multisession ...

Page 23: ...Format is Mode 1 ...

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Page 25: ...Leave the dates as it is ...

Page 26: ...Leave it as it is ...

Page 27: ...Click the New on the upper right corner of the screen ...

Page 28: ...ile browser then you will see your file in the Name section on the right side and then copy the files to under Name section on the left side this is just an example you will see your file name when you are doing this process ...

Page 29: ...Click the Burns the current compilation ...

Page 30: ...Then you will see this screen and click the Burn on the right upper side of screen ...

Page 31: ...You will see this screen and tray will open itself on computer then place the CD in CD ROM And it will start writing At the end you will see burn complited ...

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Page 42: ...E LFE TWARN2 RIGHT SCH_A_INPUT PWRDWN TWARN2 POWER_ON_RST LRCK SCL SDATA2 SDA SDATA1 MCLK SDATA0 BICK TWARN1 Sch_B_Processing LRCK BICK SDATA0 POWER_ON_RST PWRDWN LEFT_A CENTER_A SDATA2 SDA SCL EAPD LFE_A LFE_B SURRLEFT_A RIGHT_A SURRRIGHT_A SDATA1 MCLK TWARN2 SDATA1 POWER_ON_RST SDA SCL SDATA2 PWRDWN LRCK SDATA0 BICK MCLK LEFT_A SURRLEFT EAPD CENTER_A CENTER LEFT SURRRIGHT SURRLEFT_A LFE LFE_A LF...

Page 43: ...0603 H2 DDX2060HS 1 R5 NS 0000 0603 R6 NS 0000 0603 H1 DDX2060HS 1 J1 87256 1611 INPUT CONNECTOR 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 C6 100UF 10V 100UF ELEC 16V RADIAL C2 100NF Y5V EIA0603 R8 154 0000 0805 C8 100UF 10V 100UF ELEC 16V RADIAL C4 100NF Y5V EIA0603 C3 100NF X7R EIA0805 R7 150 0000 0805 C1 100UF 10V 100UF ELEC 16V RADIAL PWRDWN TWARN2 LRCK SCL SDATA2 SDA SDATA1 MCLK SDATA0 BICK TWAR...

Page 44: ..._4 GND_4 VDD3 3_PLL C20 100NF Y5V EIA0603 C85 NS NPO EIA0603 C17 2 2UF 6 3VDC EIA3216_A C10 100NF Y5V EIA0603 C35 100PF NPO EIA0603 C29 100NF Y5V EIA0603 L2 600 ohm 100mhz EIA0805 1 2 C22 100NF Y5V EIA0603 C27 100NF Y5V EIA0603 R12 3 40K 0000 0603 C25 NS NPO EIA0603 R36 0 0000 0603 C24 1000PF NPO EIA0805 C34 1200PF X7R EIA0603 C30 22UF 6 3VDC EIA3528_B C28 100NF Y5V EIA0603 C23 100NF Y5V EIA0603 C...

Page 45: ...0PF NPO C38 680NF FILM C42 100NF X7R R15 20 0000 1206 5 R13 3 3K 0000 1206 5 C37 330PF X7R R17 3 3K 0000 1206 5 R14 3 3K 0000 1206 5 C46 330PF X7R C52 100NF X7R R18 3 3K 0000 1206 5 C43 1UF 35VDC U3 DDX 2050 1 2 3 4 5 6 7 8 9 10 11 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 GNDS OUTNR OUTNR VCC2N PGND2N PGND2P VCC2P OUTPR OUTPR OUTNL OUTNL VCC1N PGND1N PGND1P VCC1P ...

Page 46: ...1 VL CONFIG PWRDN TRI STATE FAULT TWARN INLA INLB INRA INRB VREG2 VREG2 VSIG VSIG C72 100NF Y5V EIA0603 R27 10K 0000 0603 C70 100NF X7R C77 100NF X7R C60 1000PF NPO R33 3 3K 0000 1206 5 C82 330PF X7R R28 3 3K 0000 1206 5 R30 20 0000 1206 5 C79 100NF X7R C67 330PF X7R C73 330UF 35VDC C65 100NF X7R C80 100NF X7R R31 10K 0000 0603 C69 1000PF NPO C58 100NF X7R L7 22uH IND 1014P 1 2 C81 330UF 35VDC R34...

Page 47: ...LEFT RIGHT SRIGHT CENTER SLEFT LFE 1 2 3 4 5 6 7 8 9 10 11 12 LEFT SURRLEFT RIGHT SURRRIGHT CENTER LFE AMP SCHEMATIC OUTPUT CONNECTOR Rear Panel View SPEAKER PT1201 J2 LFE OUT OUT ...

Page 48: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Page 49: ...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...