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