Service manual
8-1
Chapter 8
Functional Test
You perform the functional tests after you’ ve repaired the projector to make sure
All components of the projector operate properly.
You can also perform the functional tests if you’ re having trouble determining what is wrong with the projector.
Make sure the work surface where you perform the functional tests is level and clean.
Place the projector on a soft surface (such as an anti-static mat) when running the tests.
Connect the following the I/O panel on the projector.
1. Video player through Composite Video and S-video ports.
2. Audio sources through Audio ports (RCA) or 3.5mm mini-jack.
3. Personal computer through RGB cable
.
Equipment Notes
Video player Make sure the video player has an S-video Out port and cables.
The player should also have a Composite video port (RCA).
Toshiba strongly suggests you use a DVD player to test the Video quality. DVD players
reproduce colors better and project Sharper images. The least preferable is a VCR.If
you must use a VCR, make sure you use a commercially produces recoding
not one recorded from a broadcast source.
The VCR must include an S-Video connector in addition to a composite connector.
Commercially produced
video
You’ ll need the video in DVD, etc. format.
Cables 1. RCA Pin jack cable for Composite video & audio.
2. S-video cable.
3. RGB cable that come with the projector.
4. 3.5mm mini-jack cable for PC audio.
Remote control Ensure that the remote has fresh AAA batteries.
Projector screen Use a flat screen, not a curved one.
Personal computer (PC)
The stereo audio card should have either a 3.5mm stereo audio Jack or RCA left and
right output ports. The PC must have a CD-ROM and must have outputs for RGBHV,
VESA, D-sub15pin.
Chapter
8
Re
q
uired E
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p
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Before beginning