toshiba ir test apparatus project ahmad nazri fadzal zamir izam nurfazlina kamaruddin wan othman
TRANSCRIPT
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Toshiba IR Test Apparatus Project
Ahmad Nazri Fadzal
Zamir Izam
Nurfazlina Kamaruddin
Wan Othman
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Project Goal Create a test program that can verify the
TV is outputting the correct IR signals to VCR and DVD that are connected through IR blaster cable
4 different VCR and DVD brands will be tested
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Requirements Two modes: Database mode and Test
mode Database mode
Receive signal from TV, analyze, and store its characteristic
Allow operator to designate a “name” Signal begins on the first signal
transition and ends after 1s of no transitions
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Requirements (continued) Test mode
Allow operator to select a sequence of signals from the database mode
START and STOP capabilities Handle no more than a 1s “silent”
transition between each new test signal Log pass/fail results to User Interface
and text file output
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Test model
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GLINK Use to connect cable
box and VCR
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Block diagram for capturing signal from VCR player
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TheaterNet Use to connect DVD
player
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Block diagram for capturing signal from DVD player
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Software
Programming
Database Mode Test Mode
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Database Mode
Database Mode
Sampling
• Start and stop trigger
• Edit signal feature
Storage Analyzing
Save
Name file
• Library
Graphical display
• Time length
• Bit length
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Test mode
Test Mode
Retrieve Signal
• Start and stop trigger
• Edit signal feature
Test output signal
Statistic GraphicalDisplay
• Compare
• Result-pass/fail
•Pulse width
•Bit length
Normal plot
Expected & Actual signal plot on same plot
Load signal
Select signal from library
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Operational concept Sample 4 different DVD and VCR brands:
Toshiba Panasonic JVC Sony
Theaternet Sample 8 functions for each DVD brand (Power, Play, Stop, FF, REW, Pause, Skip, Search) Each test function will be sampled 3 times (3 rep/test)
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GLINK Sample 3 functions for each VCR brand (Power, Stop, and Record) Each test function will be sampled 3 times (3
rep/test)
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Block Diagram for Database Mode
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Database Mode Front Panel
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Library file of Toshiba DVD PLAY Signal
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Block Diagram for Test Mode
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Test Mode Front Panel
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Next week plan Start and Stop Trigger
Signal analysis