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Published byOscar Gray Modified over 9 years ago
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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 ModeTest Mode
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Database Mode Sampling Start and stop trigger Edit signal feature StorageAnalyzing 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 Graphical Display 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
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