Panasonic PT-VX505NEA Manuale Utente
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Electrical Adjustments
1. Fan voltage adjustment
Equipment
Digital voltmeter
1. Enter the service mode.
2. Adjust the voltage on each test point by changing the
data values of Group - No.
Group - No. Test Points Adjustment value
250 - 0
TPFANA
3.5V+0.1,-0Vdc
250 - 1
TPFANA
13.8V+0,-0.1Vdc
250 - 2
TPFANB
3.5V+0.1,-0Vdc
250 - 3
TPFANB
13.8V+0,-0.1Vdc
250 - 4
TPFANC
3.5V+0.1,-0Vdc
250 - 5
TPFANC
13.8V+0,-0.1Vdc
250 - 6
TPFAND
3.5V+0.1,-0Vdc
250 - 7
TPFAND
13.8V+0,-0.1Vdc
250 - 8
TPFANE
3.5V+0.1,-0Vdc
250 - 9
TPFANE
13.8V+0,-0.1Vdc
250 - 10
TPFANF
4.5V+0.1,-0Vdc
250 - 11
TPFANF
13.8V+0,-0.1Vdc
250 - 12
TPFANG
4.5V+0.1,-0Vdc
250 - 13
TPFANG
13.8V+0,-0.1Vdc
3. Auto calibration adjustment [PC]
Input mode
Computer 1 (RGB)
Input signal
XGA Computer signal
Signal pattern
16-step gray scale
1. Enter the service mode.
2. Select Group “
260
”, No. “
0
” and set the data value
to “
1
”.
The projector begins auto-calibration and then "OK"
will appear on the screen.
Adjustments item no. [3] and [5] are carried out
at the spare parts shipment in the factory, there-
fore they are not required when the MAIN board is
replaced with new one.
2. Panel type check and setting
* Before setting, you need to check which type of LCD panel
is placed on the projector according to the item “LCD pan-
el/prism assy removal” in the chapter “Optical Parts Disas-
sembly”.
1. Enter the service mode.
2. Panel type check
Select Group "290",No. "0" check the data value as fol-
lows;
Data value: 0 For L-type of LCD panel
Data value: 20 For R-type of LCD panel
If the mounted LCD panel type and set panel mode are
differ, take the step below.
3. Panel type mode setting
Select Group "290", No. "1" and change data value
from 10 to 0 or 20 depending on your LCD panel type.
When the data value reaches 0 or 20, it returns to 10
quickly. The gamma-characteristics changes according
to your selection.
4. Auto calibration adjustment [Component]
Input mode
Computer 1 (Component)
Input signal
480i component signal
Signal pattern
8 color 100% color bar
1. Enter the service mode
2. Select Group “
260
”, No. “
0
” and set the data value
to “
1
”.
The projector begins auto-calibration and then "OK"
will appear on the screen.
5. Auto calibration adjustment [Video]
Input mode
Video
Input signal
Composite video signal
Signal pattern
16-step gray scale
1. Enter the service mode.
2. Select Group “
260
”, No. “
0
” and then change data
value from “
0
” to “
1
”. After the auto-calibration com-
pleted, “
OK
” will appear on the screen.