toshiba ir test apparatus project ahmad nazri fadzal zamir izam nurfazlina kamaruddin wan othman
TRANSCRIPT
Toshiba IR Test Apparatus Project
Ahmad Nazri Fadzal
Zamir Izam
Nurfazlina Kamaruddin
Wan Othman
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
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
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
Test model
GLINK Use to connect cable
box and VCR
Block diagram for capturing signal from VCR player
TheaterNet Use to connect DVD
player
Block diagram for capturing signal from DVD player
Software
Programming
Database Mode Test Mode
Database Mode
Database Mode
Sampling
• Start and stop trigger
• Edit signal feature
Storage Analyzing
Save
Name file
• Library
Graphical display
• Time length
• Bit length
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
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)
GLINK Sample 3 functions for each VCR brand (Power, Stop, and Record) Each test function will be sampled 3 times (3
rep/test)
Block Diagram for Database Mode
Database Mode Front Panel
Library file of Toshiba DVD PLAY Signal
Block Diagram for Test Mode
Test Mode Front Panel
Next week plan Start and Stop Trigger
Signal analysis