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Hitachi HTDK170EUK, Service Manual

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Hitachi HTDK170EUK Service Manual Download Page 51

Summary of Contents for HTDK170EUK

Page 1: ...ieur die Sicherheitshinweise und Hinweise zur Produktsicherheit 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 entha...

Page 2: ...C PAL encoder Four integrated 10 bit video DACs DVD Video VCD 1 1 2 0 and SVCD Interface for ATAPI devices and A V DVD loaders Interface for Compact Flash Memory Stick and SmartMedia cards Direct interface of 8 or 16 bit SDRAM up to 128 Mb capacity Direct interface for up to four banks of 8 16 bit EPROM or Flash EPROM for up to 16 MB capacity Video Related Features Macrovision 7 1 for NTSC PAL int...

Page 3: ...rallel and serial port interfaces used by many types of DVD loaders These interfaces meet the specifications of many DVD loader manufacturers An ATAPI drive is connected via the standard 34 pin dual row PC style IDE header 1 4 FRONT PANEL The front panel is based around an Futaba VFD and a common NEC front panel controller chip uPD16311 The ES6008 ES6018 controls the uPD16311 using several control...

Page 4: ...4 2 SYSTEM BLOCK DIAGRAM and ES6008 18 PIN DESCRIPTION 2 1 ES6008 18 PIN DESCRIPTION ...

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Page 10: ...ss D amplifier outputs to 8 ohms satelites and 4 ohms subwoofer 4 AUDIO DACS The ES6008 18 supports several variations of an I 2 S type bus varying the order of the data bits leading or no leading zero bit left or right alignment within frame and MSB or LSB first is possible using the ES6008 18 internal configuration registers The I 2 S format uses four stereo data lines and three clock lines The ...

Page 11: ...nd dropping lines in accordance with the applicable scaling ratio Video Timing The video bus can be clocked either by double pixel clock and clock qualifier or by a single pixel clock The double clock typically is used for TV displays the single for computer displays Video Interface Registers VID_SCN_HSTART The write only Video Screen Horizontal Start Address register contains the 13 bit horizonta...

Page 12: ...ideo display This register is needed only if sync direction is output VID_SCN_VSYNCPIXEL The write only Video Screen Vertical Sync Pixel register defines which pixel VSYNC will change on for the active video display The number of pixels delayed from HSYNC that VSYNC will change on either the rising or falling edge of VSYNC This register is needed only if sync direction is output VID_SCN_VSYNCWIDTH...

Page 13: ...ed from the active video display VID_SCN_OSD_VSTART The OSD Video Screen Vertical Start Address register contains the 13 bit vertical starting address value for the OSD as referenced from the active video display VID_SCN_OSD_VEND The OSD Video Screen Vertical End Address register contains the 13 bit vertical ending address value for the OSD as referenced from the active video display VID_SCN_OSD_M...

Page 14: ...FLASH MEMORY The decoder board supports AMD class Flash memories Currently 4 configurations are supported FLASH_512K_8b FLASH_1024K_8b FLASH_512Kx2_8b FLASH_512Kx2_16b The Vibratto permits both 8 and 16 bit common memory I O accesses with a removable storage card via the host interface 8 SERIAL EEPROM MEMORY An I2C serial EEPROM is used to store user configuration i e language preferences speaker ...

Page 15: ...face supports the 128 192 256 384 and 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 Vibratto supports 48 kHz and 96 kHz Dolby Digital audio only supports 48 kHz The ES6008 18 Vibratto incorporates a built in...

Page 16: ...e receptacle governs the pin locations The way in which the receptacle is mounted on the printed circuit board affects the pin positions and pin 1 shall remain in the same relative position This means the pin numbers of the receptacle may not reflect the conductor number of the plug The header receptacle is not polarized and all the signals are relative to pin 20 which is keyed By using the plug p...

Page 17: ...RQ 31 31 32 32 reserved DA1 33 33 34 34 PDIAG DA0 35 35 36 36 DA2 CS0 37 37 38 38 CS1 DASP 39 39 40 40 Ground Recommended part numbers for the mating connector and cable are shown below but equivalent parts may be used Connector 40 pin 3M 3417 7000 or equivalent Strain relief 3M 3448 2040 or equivalent Flat cable stranded 28 AWG 3M 3365 40 or equivalent Flat cable stranded 28 AWG 3M 3517 40 shield...

Page 18: ...ontrol 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 4V TV is driven by the composite video input signal pin 19 Left unconnected it is pulled to 0V by its 75R termination 1V to 3V ...

Page 19: ...tic coming from the mains They also prevent the noise produced in the circuit from being injected to the line Voltage is rectified by using diodes D805 diode bridge Using capacitor C815 220µf a DC voltage is produced 310 320VDC The current in the primary side of the transformer TR800 comes to the SMPS IC IC800 MC44608 The SMPS IC has a eight pin DIP 8 package and an external MOSFET with a cooler i...

Page 20: ...e DC offset for the filaments 14 2 FRONT PANEL All the functions on the front panel are controlled by IC1 ES6008 18 on the mainboard Key scanning and IR checking operations on the standby mode are controlled by IC500 ES60X8 IC sends the commands to IC1 uPD16311 via socket PL1 pins 2 3 and 4 There are 16 keys scanning function 2 LED outputs 1 Stand by output and VFD drivers on IC2 Pin 52 is the osc...

Page 21: ...io source comes to the IC412 LM833 op amp IC for amplification By using ADC IC407 CS5333 L and R signals becomes digital audio signal and comes to ES60X8 for audio proccessing operations 14 4 DDX Board Class D Amplifier Chipset 2xDDX 4100 3x DDX 2060 Architecture Full Bridge x 6 Power Supply 20V unipolar supply 6A max 3 3V 0 1A typ Audio Input Interface Serial I2S Control Interface I2C Power Inter...

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Page 35: ...TB POWER_ON_RST RIGHT RIGHTA BICK LEFTA SD1 TWARN1 TWARN2 SRIGHTB SCL EAPD1 XTO SRIGHTA CENTER SPEAKER OUTPUT LEFT LEFT RIGHT RIGHT CENTER CENTER LFE LFE SLEFT SLEFT SRIGHT SRIGHT LFE SRIGHT Sch_A_Input LRCK BICK SD0 SD1 SD2 SDA SCL TWARN1 PWRDWN POWER_ON_RST TWARN2 TWARN3 TWARN1 CENTER SLEFTB 150 0000 001 A 5 1 CHANNEL AMPLIFIER SCHEMATICS B 1 8 Sunday March 03 2002 Title Size Document Number Rev...

Page 36: ...ry 14 2002 Title Size Document Number Rev Date Sheet of SCL C2 100NF Y5V 3 3V 20V TWARN3 JP1 JS 1120 04 POWER 1 2 3 4 SD1 SD0 C101 100UF 6 3V POWER_ON_RST BICK PWRDWN C1 100NF X7R LRCK TWARN1 J1 87256 1611 INPUT CONNECTOR 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 TWARN2 SDA SD2 ...

Page 37: ... R XN VSS LF E_B LF E_A SRIGHT_B SRIGHT_A GND_3 VDD_3 RIGHT_B RIGHT_A LEFT_B LEFT_A GND_4 VDD_4 SLEFT_B SLE F T_A E APD LR C KO SD O_1 SD O_2 SD O_3 S C KO GN D _5 VD D _5 C K OU T PW D N C7 100NF Y5V SDA Y1 24 576 MHz LEFTB LEFTA SCL EAPD1 L15 600 ohm 100mhz EIA0805 1 2 XTO 3 3V RIGHTA 3 3V C5 100NF Y5V SD0 C13 18PF NPO LRCK 3 3V 3 3V 3 3V CENTERA 150 0000 001 A 5 1 CHANNEL SCHEMATIC FRONT CENTER...

Page 38: ...T_CLK VDD_1 GND_1 RESET AC97_MODE SDA SCL SA TEST_MODE VDD_2 XTI XTO GND_2 VCC RXP RXN VSS LFE_B LFE_A SRIGHT_B SRIGHT_A GND_3 VDD_3 RIGHT_B RIGHT_A LEFT_B LEFT_A GND_4 VDD_4 SLEFT_B SLEFT_A EAPD LRCKO SDO_1 SDO_2 SDO_3 SCKO GND_5 VDD_5 CKOUT PWDN SRIGHTB 3 3V C15 100NF Y5V C18 100NF Y5V POWER_ON_RST 3 3V C17 100NF Y5V C22 100NF Y5V 3 3V C14 2 2UF 6 3VDC 3 3V EAPD2 150 0000 001 A 5 1 CHANNEL SCHEM...

Page 39: ... 1206 5 8 OHM R3 6 2 0000 1206 5 LEFTA 20V R7 20 0000 1206 5 L6 22uh IND 22UH CT622LY 1 2 CENTER C23 100NF X7R C30 330PF X7R 3 3V 3 3V C25 100NF X7R TW ARN3 C42 100NF X7R CENTER LEFT C28 100NF X7R CENTERA LEFTB C92 1000PF NPO C39 100NF X7R C44 100NF X7R 20V C41 330PF X7R C32 100NF X7R C90 1000PF NPO U3 DDX2060 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 3...

Page 40: ... C86 100NF X7R C95 1000PF NPO C75 100NF X7R C76 100NF X7R C94 1000PF NPO SRIGHTA C70 100NF X7R C93 1000PF NPO C85 330PF X7R C80 100NF X7R C78 100NF Y5V L11 22uh IND 22UH CT622LY 1 2 C73 1UF X7R C69 100NF X7R SLEFTB SRIGHT C83 100NF X7R C88 100NF X7R C74 330PF X7R SRIGHTB SRIGHT R19 6 2 0000 1206 5 U5 DDX2060 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 ...

Page 41: ... 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 OUTPL OUTPL NC GNDREF GNDR1 VREG1 VREG1 VL CONFIG PWRDN TRI STATE FAULT TWARN INLA INLB INRA INRB VREG2 VREG2 VSIG VSIG C48 100NF X7R L8 10uH IND 10UH CT622LY 1 2 LFE C51 1UF X7R C100 1000PF NPO LFE R12 6 2 0000 120...

Page 42: ... 3 4 5 6 7 8 9 10 11 12 LFE CENTER LEFT SRIGHT LFE 150 0000 001 A 5 1 CHANNEL SCHEMATIC OUTPUT CONNECTOR A 8 8 Friday February 15 2002 Title Size Document Number Rev Date Sheet of SRIGHT RIGHT LEFT SLEFT SLEFT CENTER RIGHT ...

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Page 53: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...

Page 54: ...l 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI HOME ELECTRONICS NORDIC 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 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu com HITACH...

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