NEC Vt595 Projector User Manual

53
3. Remove the lamp housing.
(1)Loosen the two screws securing the lamp housing until the phillips screw\
driver goes into a freewheelingcondition. The two screws are not removable.
(2)Remove the lamp housing by holding it.
6. Maintenance
NOTE: There is an interlock on this case to prevent the risk of electrical shock. \
Do not attempt to circumvent this interlock.
Interlock
2. Remove the lamp cover.
(1)Press firmly and slide the lamp cover by 1 cm (0.4 ”)
•  Do not force to pull the lamp cover...

54
6. Maintenance
6. Connect the supplied power cable, turn on the Main Power switch and turn\
 on the projector.7. Finally, select the menu 
→ [Reset] → [Clear Lamp Hours] to reset the lamp usage hours.
NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Eco mode)\
 of service, the projector cannot turn on and themenu is not displayed.If this happens, press the HELP button on the remote control for ten sec\
onds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero,...

55
7. Appendix
Indicator ConditionProjector Condition Note
Off
Blinking light
Steady light Green
Orange
Green
Orange 0.5 sec On,
0.5 sec Off
2.5 sec On,
0.5 sec Off
0.5 sec On,
0.5 sec Off
The main power is off
The projector is getting ready to turn on.
Off Timer is enabled.
The projector is cooling down.
The projector is turned on.
The projector is in Standby. –
Wait for a moment.
–
Wait for a moment.
–
–
Status Indicator
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady light Red...

56
7. Appendix
Common Problems & Solutions (→  Power/Status/Lamp Indicator on page  55.)
Does not turn on
Will turn off
No picture
Picture suddenly
becomes dark
Color tone or hue is
unusual
Image isn ’t square to
the screen
Picture is blurred
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Indicator is lit or
blinking
Cross color in RGB
mode •
Check that the power cable is plugged in and that the power button on th\
e projector cabinet or the remote
control is on. ( →...

57
7. Appendix
If there is no picture, or the picture is not displayed correctly.
• Power on process for the projector and the PC.
Be sure to connect the projector and notebook PC while the projector is \
in standby mode and before turning on
the power to the notebook PC.
In most cases the output signal from the notebook PC is not turned on un\
less connected to the projector before
being powered up.
NOTE: You can check the horizontal frequency of the current signal in the projector ’s menu under...

58
7. Appendix
 Specifications
This section provides technical information about the VT695/VT595/VT590/\
VT490/VT59/VT49 projectors performance.
Model Number VT695/VT595/VT590/VT490/VT59/VT49
Optical
LCD Panel VT695: 0.63 p-Si TFT active-matrix with Micro Lens Array
VT595/VT590/VT490/VT59/VT49: 0.6 p-Si TFT active-matrix with Micro
Lens Array
Resolution VT695/VT595/VT590/VT59: 1024 
 768 pixels* native, up to UXGA with
Advanced AccuBlend
VT490/VT49:  800 
 600 pixels* native, up to UXGA with Advanced...

59
7. Appendix
Sync Compatibility Separate Sync / Composite Sync / Sync on Green / Sync on Video
Built-in Speaker VT695/VT595: 5W (monaural)
VT590/VT490/VT59/VT49:  1W (monaural)
Power Requirement 100 - 240V AC, 50 / 60 Hz
Input Current VT695/VT595/VT590/VT490: 3.1 - 1.3A
VT59/VT49:  2.4 - 1.0A
Power Consumption VT695: 9W in Standby mode /
285W in Lamp Normal mode / 220W in Lamp Eco mode
VT595:  9W in Standby mode /
270W in Lamp Normal mode / 220W in Lamp Eco mode
VT590/VT490 : 9W in Standby mode /
255W...

60
Regulations
VT695/VT595/VT590/VT490/VT49:For United States:
UL Approved (UL 60950 - 1)
Meets FCC Class B requirements
For Canada:
UL Approved (CSA 60950 - 1)
Meets DOC Canada Class B requirements
For Australia/New Zealand:
Meets AS/NZS CISPR.22 Class B
For Europe:
Meets EMC Directive (EN55022, EN55024, EN61000-3-2, EN61000-3-3)
Meets Low Voltage Directive (EN60950 - 1, TÜV GS Approved)
VT59:Meets EMC Directive (EN55022, EN55024, EN61000-3-2, EN61000-3-3)
Meets Low Voltage Directive (EN60950-1, T ÜV...

61
7. Appendix
 Cabinet Dimensions
Although the appearance is slightly different, the VT695, VT595, VT590, VT490, VT59 and VT49 are the same in
dimensions.
SELECT
MENU
EN TE REXITLAMP
STATUS
POWER
ON/STAND BYAUTO ADJ.
SOURCE
ZOOM
FOCUS
PUSH
120.8 (4.8)
258.3 (10.2)
65.3 (2.6)
308.7 (12.2)
71.35 (2.8)
83 (3.3)
S ELE C TE
N TE REXITL A M P
S TA TU S
P O W ERO
N/S
TA N D B
YAU TO  A
D J.
S
O URCE
AUDIO OUT
AUDIO IN
MONITOR OUT (COMP 1)
COMPUTER 1 IN
AUDIO IN
S-VIDEO
IN
VIDEO IN PC CTRL
L
R
COMPUTER 2...

62
Mini D-Sub 15 Pin Connector
 Pin Assignments of D-Sub COMPUTER Input Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
5
14 23 10
11 12 13 14 15
69 78
7. Appendix
* Only COMPUTER 1 input connector supported on VT695/VT595.
Pin No. RGB Signal (Analog) YCbCr Signal
1 Red Cr
2 Green or Sync on Green Y
3 Blue Cb
4 Ground
5 Ground
6 Red Ground Cr Ground
7 Green Ground Y Ground
8 Blue Ground Cb Ground
9 No Connection
10 Sync Signal Ground
11 No Connection
12 Bi-directional...