Sanyo TUHD1000 User manual

TUHD1000
High Definition Terrestrial
Set Top Box
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JK LMNOGH I
TEXT
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1 682 345 44
1 682 346 07: OTA ver.
SM0941001
PROUDUCT CODE NO.:
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Contents
Safety precautions.................................................................2
Method of software upgrading .............................................4
Working principle analysis of the unit .................................9
System interconncect diagram........................................... 11
IC block diagram ..................................................................12
Trouble shooting..................................................................28
Schematic Diagram..............................................................33
APPENDIX-A:Main assembly TUHD1000 ..........................42
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Safety precautions
Please read it carefully and make sure you understand the contents
fully. For your safety, heed the warnings.
zDo not open the cover. It is dangerous to touch any of the
internal parts of the • receiver due to possible electric shock
hazard.
zDo not attempt to service this product by yourself. Refer all
serving to qualified service personnel.
zDisconnect the receiver from the wall outlet before cleaning it.
Use only a soft dry • cloth to clean the case of the receiver.
zWhen the receiver is unused for a long time or
during a thunder storm, please unplug the
power cord from the wall outlet and disconnect
the antenna lead.
zDo not connect or modify cables when the receiver is plugged-in.
Power off the receiver at the wall outlet before connecting or
disconnecting any cables.
zDo not use a damaged power cord. Damaged power cords may
cause a fire or an electric shock.
zDo not touch a power cord with wet hands. It may cause an
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electric shock.
zNever stand the receiver on soft furnishings or carpets. This
product is designed for indoor use only.
zDo not use or store the receiver where it is exposed to direct
sunlight or near a heater.
zNever stack other electronic equipment on top of the receiver.
zDo not use any attachments that are not recommended by the
manufacturer
zDo not expose the receiver to any liquid dripping or splashing.
zDo not place objects filled with liquids, such as vases, on the
receiver.
zThe ventilation vents should not be impeded by covering them
with items, such as newspapers, tablecloths, curtains etc.
Ensure a minimum distance of 5 centimeter (5cm.) around the
receiver for sufficient ventilation.
zNo naked flame sources, such as lit candles, should be placed
on the apparatus.
zDispose of remote control batteries properly in accordance with
local, state or federal regulations.
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Method of software upgrading
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Working principle analysis of the unit
Feature:
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System interconncect diagram
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IC block diagram
1, STi7710
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2, Tuner
zDescription
zBlock diagram
zPin definitions
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3, IC STV0360
zSTV0360 block diagram
zSTV0360 pin out of TQFP64
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4, FLASH M29W640FTP
zDescription
zLogic diagram
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Signal name table
zPin connections
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5, DDR HY5DU561622CTP
zDESCRIPTION
Pin connections
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