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DVD7

200

D

VD

/DIVX

PLAYER

SERVICE MANUAL

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Summary of Contents for DVD7200

Page 1: ...DVD7200 DVD DIVX PLAYER SERVICE MANUAL...

Page 2: ...Video VCD 1 1 2 0 DIVX 3 x 4 x 5 1 DIVX PRO X VID and SVCD Unified track buffer and A V decoding buffer Direct interface of 32 bit SDRAM Servo controller and data channel processing Video Related Feat...

Page 3: ...manufacturers 1 4 FRONT PANEL The front panel is based around an Futaba VFD and a common NEC front panel controller chip PTC16311 The MT1389E controls the PTC16311 using several control signals clock...

Page 4: ...4 2 SYSTEM BLOCK DIAGRAM and MT1389E PIN DESCRIPTION 2 1 MT1389E PIN DESCRIPTION...

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Page 12: ...12 2 1 SYSTEM BLOCK DIAGRAM A sample system block diagram for the MT1389E DVD player board design is shown in the following figure...

Page 13: ...memory to the internal TV encoder of the MT1389E The output section consists of a programmable CRT controller capable of operating either in Master or Slave mode The video output section features int...

Page 14: ...mats 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 strea...

Page 15: ...become essential Scart Signals Audio signals 0 5V RMS 1K output impedance 10K input impedance Red Green Blue 0 7Vpp 2dB 75R input and output impedance Note that the Red connection pin 20 can alternati...

Page 16: ...DC The current in the primary side of the transformer TR2 comes to the SMPS IC It has a built in oscillator overcurrent and overvoltage protection circuitry and runs at 100kHz It starts with the curre...

Page 17: ...back panel TOTX176 is used for laser output For coaxial audio output SPDIF is used Q18 Q26 transistors are to mute the audio outputs while switching the state of the unit power on off There are two op...

Page 18: ...is also used as the CD update file name Press DISPLAY key to exit from Version Page Build Names for Hardware Options DVD7200 MTK Concept has 3 different hardware option and a language group option 2...

Page 19: ...kes about a few minutes please wait if tray is open 11 When CD update is finished tray is closed screen is refreshed update is finished 12 To see Version Page Press DISPLAY key Setup Menu is displayed...

Page 20: ...20 Mainboard...

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Page 25: ...25 Front Panel...

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