Panasonic PT-EX600U Service Manual page 50

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. Fan
250 - 0 FAN 1
250 - 1 FAN 1
250 - 2 FAN 2
250 - 3
FAN 2
250 - 4 FAN 3
250 - 5 FAN 3
250 - 6 FAN 4
250 - 7 FAN 4
250 - 8 FAN 5
250 - 9 FAN 5
250 - 10 FAN 6
250 - 11 FAN 6
250 - 12 FAN 7
250 - 13 FAN 7
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 panel/prism assy removal" in the chapter "Optical
Parts Disassembly".
1. Enter the service mode.
2. Panel Type Check
Select Group "290", No. "0". Check the data value as
follows;
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 the 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 accord-
ing to your selection.
Test Points Adjustment value
TPFN11 4.5 +0.1 -0Vdc
TPFN11 13.8 -0.1Vdc
TPFN6 4.5 +0.1 -0Vdc
13.8 -0.1Vdc
TPFN6
TPFN4 4.5 +0.1 -0Vdc
TPFN4 13.8 -0.1Vdc
TPFN2 4.5 +0.1 -0Vdc
TPFN2 13.8 -0.1Vdc
TPFN1 4.5 +0.1 -0Vdc
TPFN1 13.8 -0.1Vdc
4.5 +0.1 -0Vdc
TPFN3
TPFN3 13.8 -0.1Vdc
TPFN5 4.5 +0.1 -0Vdc
TPFN5 13.8 -0.1Vdc
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.
3. Auto calibration adjustment [PC]
(For PT-EX600)
Input mode
Input signal
Signal pattern
1. Enter the service mode.
260
2. Select Group "
1
to " ".
The projector begins auto-calibration and then "OK"
will appear on the screen.
4. Auto calibration adjustment [Component]
(For PT-EX600)
Input mode
Input signal
1. Enter the service mode
260
2. Select Group "
0
value from " " to "
, "OK" will appear on the screen.
pleted
5. Auto calibration adjustment [Video]
(For PT-EX600)
Input mode Input 3 (Video)
Input signal 100% color bar composite video signal
1. Enter the service mode.
2. To start the auto-calibration for composite-video
adjustment, select Group "260", No. "0", and then
change data value "0" to "1".
After the auto-calibration completed, "OK" will appear
on the screen.
-50-
Input 1 (RGB(PC analog))
XGA computer signal
16-step gray scale
0
", No. " " and set the data value
Input 2 (Component)
100% color bar signal (480i)
100% color bar signal (480p)
100% color bar signal (720p)
100% color bar signal (1080i)
0
", No. " " and then change data
1 . After the auto-calibration com
"