Apple Mac - Sharp QA-1650 Service Manual

INTRODUCTION
COMPUTER PROJECTION PANEL displays images generated on a personal computer onto a large screen
or wall,using an overhead projector(OHP) as a light source.
QA-1650 can also accept PAL/NTSC/SECAM composite video signals and S-Video signal from VCR or etc.
QA-1650 has an analog RGB video output so that an external monitor can also be connected.
QA-1650 employs 10.4 inches TFT(Thin Film Transistor) 640 X 480 dots color liquid crystal display(LCD).
It is designed so that the heat generated by OHP is exhausted from the computer projection panel by a fan
motor not to increase the temperture of LCD extremely.
Approximately DC 12V is supplied as a power source externally through AC adaptor.
A remote control unit with illumination key is equipped to control following functions.
1.Function to adjust picture quality.
2.Function to clear the screen
3.Function to enlarge the screen
4.Function to move a picture
5.Function to freeze a picture
6.Function to output the signal to computer through RS-232C
A serial communication terminal(conformable with RS-232C) is equipped with QA-1650 to send a signal to
a computer.
IBM PS/2 PC/XT/AT(VGA, MCGA, EGA, CGA, MDA, Hercules/+/Incolor), APPLE MAC I. series
AT&T(68300WGS, PC6386WGS, PC6312WGS, PC6286WGS) are compatible with QA-1650.