-29-
Electrical Adjustments
c
Component auto calibration
Input mode
Computer 1 (Component) mode
Input signal
Component signal (480i)
Input pattern
8 color bar
1. Enter the service mode.
2. Select the group "
260
", no. "
0
" and set the data value
"
0
" to "
1
".
The projector begins auto-calibration and then "
OK
"
will appear on the screen.
Adjustments item no. [2] to [3] are carried out at the
spare parts shipment in the factory, therefore they are
not required when the main board is replaced with
new one.
z
Fan voltages adjustment
Equipment
Digital multimeter
1. Enter the service mode.
2. Connect the Digital multimeter to the test point listed
below.
3. Adjust the voltage on each test point by changing the
data values of the Group - No.
Group No. Test Point
Adjustment value
250 - 0
TPFAN1
4.5 -0 +0.1Vdc
250 - 1
TPFAN1
13.8 -0.1 +0Vdc
250 - 2
TPFAN2
4.5 -0 +0.1Vdc
250 - 3
TPFAN2
13.8 -0.1 +0Vdc
250 - 4
TPFAN3
4.5 -0 +0.1Vdc
250 - 5
TPFAN3
13.8 -0.1 +0Vdc
250 - 6
TPFAN4
4.5 -0 +0.1Vdc
250 - 7
TPFAN4
13.8 -0.1 +0Vdc
250 - 8
TPFAN5
4.5 -0 +0.1Vdc
250 - 9
TPFAN5
13.8 -0.1 +0Vdc
250 - 10
TPFAN6
4.5 -0 +0.1Vdc
250 - 11
TPFAN6
13.8 -0.1 +0Vdc
x
PC
auto calibration
Input mode
Computer 1 (RGB)
Input signal
XGA computer signal
Signal pattern 16-step gray scale
1. Enter the service mode.
2. Select the group "
260
", no. "
0
" and set the data value
"
0
" to "
1
".
The projector begins auto-calibration and then "
OK
"
will appear on the screen.
K47A
1
2
49
50
K07A
2
29
30
K07B
K00A
K77B
K77C
K77D
K77E
K77F
K47B
TPFAN1 TPFAN2 TPFAN3
TPFAN4
TPFAN5
TPFAN6
TPFANGND
FAN NET Board
Содержание PT-CW230E
Страница 50: ... 50 IC Block Diagrams EL5306IUZ RGB switch IC4001 FA5550NG P F control IC621 ...
Страница 52: ... 52 IC Block Diagrams LV49152V Audio output IC001 MB95F353EPFT Sub CPU IC4501 ...
Страница 54: ... 54 IC Block Diagrams PIC18F67J60 Network IC8301 NJW1156 Audio selector IC5101 ...
Страница 76: ......