I
XG-NV4SU
SHARP
SERVICE MANUAL
SSSXSXd-NV4SU
PAUSECAM/NTSC
SYSTEM
LCD PROJECTOR
L
IMAGE
QUALlTV
MODEL
XG-NV4SU
In the interests
of user-safety
(Required
by safety regulations
in some countries)
the set should be restored
to its original
condition
and only parts identical
to those specified
should
be used.
1
CONTENTS
Page
2
0
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SERVICE SAFETY NOTES . . . . . . . . . . 3
l
. . . . . . . . . . . . . . . . . . . . 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
.
REMOVING
OF MAJOR PARTS . . . . . . . . . . . . . . . . . . . . . . 13
l
RESETTING
THE TOTAL LAMP TIMER . . . . . . . . . . 18
l
UNIT OUTLINE . . . . . . . . . . . . . . . . . . . . . . . . 19
l
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ELECTRICAL
ADJUSTMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . 25
THE PC BOARD . . . . . . . . . . . . . . . . . . . . . . . . . 30
TROUBLE
SHOOTING
TABLE . . . . . . . . . . . . . . . . . . . . . . . . 31
0
CHASSIS LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Page
BLOCK DIAGRAM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
OVERALL
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 53
OF SCHEMATIC
DIAGRAM
. . . 55
WAVEFORMS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
SCHEMATIC
DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
. . . . . . 99
PARTS LIST
n
ELECTRICAL
PARTS . . . . . . . . . . . . . . . . . . . . . . ..*...... 111
n
Cabinet
AND MECHANICAL
PARTS . . . . . 136
n
Accessories
PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
n
PACKING PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
SHARP
CORPORA'ION
This document
has been published to be used for
after sales service only.
The contents are subject to change without notice.
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