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CAUTION:
Before servicing this chassis, it is important that the service technician read the "Safety
Precautions" and "Product Safety Notices" in this service manual.
ATTENTION:
Avant d'effectuer l'entretien du châassis, le technicien doit lire les «Précautions de sécurité"
et les «Notices de sécurité du produit" présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise" und „Hinweise
zur Produktsicherheit" in diesem Wartungshandbuch zu lesen.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
Home Cinema
October 2004
No. 0155
HTD-K180UK
HTD-K180E
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 Verbesserungen ändern.

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   Summary of Contents for Hitachi HTD-K180UK

  • Page 1

    No. 0155 HTD-K180UK HTD-K180E SERVICE MANUAL MANUEL D'ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read the “Safety Precautions” and “Product Safety Notices” in this service manual. Data contained within this Service manual is subject to alteration for improvement.

  • Page 2: General Description

    1. GENERAL DESCRIPTION 1.1 MT 1379 The MT1370 Progressive Scan DVD Player Combo chip is a single-chip MPEG video decoding chip that integrates audio/video stream data processing, TV encoder four video DACs with macrovision, copy protection, DVD system navigation, system control and housekeeping functions. These features can be listed as follows: General Features: - Progressive scan DVD-player combo chip.

  • Page 3

    interface controls access to both external SDRAM memories, which can be the sole unified external read/write memory acting as program and data memory as well as various decoding and display buffers. 1.3 DRIVE INTERFACES The MT1379 supports the DV34 interface, and other RF and servo interfaces used by any types of DVD loaders. These interfaces meet the specifications of many DVD loader manufacturers.

  • Page 4

    2. SYSTEM BLOCK DIAGRAM and MT1379 PIN DESCRIPTION 2.1 MT1379 PIN DESCRIPTION...

  • Page 13

    2.1 SYSTEM BLOCK DIAGRAM System block diagram is shown in the following figure:...

  • Page 14: Audio Output

    3. AUDIO OUTPUT The MT1379 supports the stereo (2 channel) outputs . The MT1379 alTrso provides digital output in S/PDIF format. The board supports coaxial S/PDIF input. AV2300 has also 5.1 channel Class-D amplifier outputs to 8 ohms satelites and 4 ohms subwoofer.

  • Page 15

    6 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. 7 SERIAL EEPROM MEMORY An I2C serial EEPROM is used to store user configuration (i.e.

  • Page 16

    6 - Audio Left / Mono In 7 - Blue 8 - Control Voltage 9 - Green Gnd 10 - Comms Data 2 11 - Green 12 - Comms Data 1 13 - Red Gnd 14 - Comms Data Gnd 15 - Red 16 - Fast Blanking 17 - Video Gnd...

  • Page 17: Circuit Description

    11. CIRCUIT DESCRIPTION 11.1 POWER SUPPLY: · Socket PL800 is the 220VAC input. · 3.5A fuse F800 is used to protect the device against short circuit and unexpected overloads. · Line filter and capacitors L800, C801 and C803 are used to block the parasitic coming from the mains. They also prevent the noise, produced in the circuit, from being injected to the line.

  • Page 18

    11.3 I/Os and Back Panel: - There are 2 SCART connector , 6 pieces RCA jacks, for audio output, 1 optical digital audio ,1 s-video output on the back panel. - TOTX178 is used for laser output. - For optical audio output S/PDIF is used. - Q620, Q621 transistors are to mute the audio outputs while switching the state of the unit (power on/of) - SCART pin 8 controls 16:9 and 4:3 mode .

  • Page 19

    12. SOFTWARE 12.1 UNIVERSAL SERVICE PASSWORD 1369 Universal Password for Parental level is 12.2 VERSION PAGE (Hidden Menu) To see Version Page: - Press DISPLAY 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”...

  • Page 20

    12.3 VFD FULL SEGMENT TEST MODE During Pressing “STOP” button on Front Pannel if you press Standby button all segments of VFD are higligted. 12.4 REGION MANAGEMENT At Version page by using arrow keys Region can be changed. 12.5 UPDATE FILE NAME Proper Update file name can be learned from Version Page as follows: First Characters of DAC, LOADER, TUNER and LANGUAGE group gives proper update file name.

  • 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...

  • 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

    Select your file from file 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”...

  • Page 32

    MAIN BOARD...

  • Page 40

    POWER BOARD...

  • Page 41

    FRONT PANEL...

  • Page 42

    DDX-BOARD SDATA0 SDATA0 SDATA0 SDATA1 LEFT_A LEFT+ SDATA1 SDATA1 LEFT_A LEFT_A LEFT+ SDATA2 SDATA2 SDATA2 LRCK CENTER_A CENTER+ LRCK LRCK CENTER_A CENTER_A CENTER+ BICK BICK BICK MCLK SURRLEFT_A SURRLEFT+ MCLK MCLK SURRLEFT_A SURRLEFT_A SURRLEFT+ EAPD TWARN1 EAPD EAPD TWARN1 PWRDWN PWRDWN PWRDWN POWER_ON_RST...

  • Page 43

    INPUT CONNECTOR SDATA0 SDATA1 SDATA2 LRCK BICK TWARN1 TWARN2 PWRDWN 0000-0603 0000-0603 MCLK 87256-1611 0000-0603 0000-0603 0000-0603 0000-0603 +3.3V POWER_ON_RST POWER_ON_RST 0000-0603 +28V +3.3V JS-1120-04 100NF 100NF 100UF EIA0603 EIA0805 DDX2060HS 100UF-ELEC-16V-RADIAL DDX2060HS U1 LM1117-ADJ +2.5V 100NF 100NF EIA0603 100UF 100UF EIA0603 0000-0805...

  • Page 44

    +3.3V +2.5V +2.5V +3.3V 100NF 100NF 100NF 100NF EIA0603 EIA0603 EIA0603 EIA0603 PWRDWN EAPD 1000PF SURRRIGHT_A EIA0805 +3.3V 100NF OUT2_A CENTER_A TEST_MODE OUT2_B EIA0603 +2.5V VDD3.3_1 VDD2.5_5 GND_1 GND_5 +3.3V VDD2.5_1 VDD3.3_5 RIGHT_A SDI_78 OUT3_A SDATA2 SDI_56 OUT3_B 100NF SDATA1 SDI_34 OUT4_A LEFT_A...

  • Page 45

    22uH SURRLEFT+ IND-1014P REV3 330UF 4 OHM 330PF 680NF 35VDC FILM 3.3K 3.3K 0000-1206 0000-1206 +28V 1000PF GNDREF 0000-1206 1000UF GNDR1 OUTPL 35VDC VREG1 OUTPL 100NF VREG1 VCC1P +28V 100NF +3.3V PGND1P 35VDC CONFIG PGND1N 0000-1206 PWRDN VCC1N 0000-0603 100NF 1000PF EAPD TRI-STATE...

  • Page 46

    22uH IND-1014P 100NF +28V GNDREF 100NF 1000PF 1000UF 0000-1210 0000-1206 LFE+ GNDR1 OUTPL 35VDC 470NF 8 OHM VREG1 OUTPL 100NF FILM 1000PF LFE- VREG1 VCC1P 100NF 330PF 100NF +3.3V PGND1P 0000-1206 35VDC CONFIG PGND1N 1000PF PWRDN VCC1N 100NF 0000-0603 100NF EAPD TRI-STATE OUTNL...

  • Page 47: Rear Panel View

    + OUT - OUT SRIGHT RIGHT SURRRIGHT+ RIGHT+ LFE+ LFE- CENTER+ CENTER LEFT+ SURRLEFT+ LEFT PT1201 SLEFT SPEAKER Rear Panel View AMP SCHEMATIC OUTPUT CONNECTOR...

  • Page 48

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

  • Page 49

    Fax: +46 (0) 8 562 711 13 Email: csgswe@hitachi-eu.com Tel: +39 02 38073415 Servizio Clienti Fax: +39 02 48786381/2 Email: customerservice.italy@hitachi-eu.com HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

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Htd-k180e

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