Read Panasonic PT-VX500U / PT-VX500E / PT-VX500EA / PT-VW430U / PT-VW430E / PT-VW430EA (serv.man2) Service Manual online
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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
3.5 ±0.1Vdc
250 - 1
TPFANA
13.8 ±0.1Vdc
250 - 2
TPFANB
3.5 ±0.1Vdc
250 - 3
TPFANB
13.8 ±0.1Vdc
250 - 4
TPFANC
3.5 ±0.1Vdc
250 - 5
TPFANC
13.8 ±0.1Vdc
250 - 6
TPFAND
3.5 ±0.1Vdc
250 - 7
TPFAND
13.8 ±0.1Vdc
250 - 8
TPFANE
3.5 ±0.1Vdc
250 - 9
TPFANE
13.8 ±0.1Vdc
250 - 10
TPFANF
4.5 ±0.1Vdc
250 - 11
TPFANF
13.8 ±0.1Vdc
250 - 12
TPFANG
4.5 ±0.1Vdc
250 - 13
TPFANG
13.8 ±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.
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.
NOTE: For service spare parts of the main board, ad-
justment items [3] to [5] have been carried out pre-
ciously at the factory. When you replace the main board
with new one, those adjustments are no need to carried
out.
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