Sanyo PLV-Z3, Руководство по обслуживанию

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Electrical Adjustments
Equipment Oscilloscope
Input mode
Computer [RGB(Analog)]
Image mode Powerful
Input signal 16-step gray scale signal ( 720p )
1. Enter the service mode.
2. Change data values for each test points to adjust the
pedestal level and black level to be the same level.
Item no. Test Point
0 - 3 TP35R
0 - 4 TP35G
0 - 5 TP35B
Blac
k Lebel
P
edestal Lebel
b
PC Pedestal adjustment
Equipment Oscilloscope
Input mode
Computer [RGB(Analog)]
Image mode Powerful
Input signal 16-step gray scale computer signal
(720p format)
1. Enter the service mode.
2. Change data value for each test points to adjust
amplitude “ a ” to be below value.
Item no. Test Point Adjustment value
8 - 3 TP35R
10.0
±0.05Vdc
8 - 4 TP35G
10.0
±0.05Vdc
8 - 5 TP35B
10.0
±0.05Vdc
(a)
black level
black level
c
Reference adjustment
Equipment Oscilloscope
Input signal
16-step gray scale signal
6-a Input mode Computer [RGB(Analog)]
Image mode Powerful
Input format 720p computer signal
6-b Input mode Component_1
Image mode Natural
Input format 480p component signal
6-c Input mode Component_1
Image mode Natural
Input format 480i component signal
6-d Input mode Component_1
Image mode Natural
Input format 1080i component signal
1. Enter the service mode.
2. Change data values for each test points to adjust the
waveform “ a ” to be minimum amplitude in each
mode .
Item no. Test Point
6 - 0 TP35R
6 - 1 TP35G
6 - 2 TP35B
(a)
White Level
n
Sub gain adjustment
Equipment Oscilloscope
Input mode
Component_1 mode
Image mode Natural
Input signal 16-step gray scale signal ( 480p )
1. Enter the service mode.
2. Change data values for each test points to adjust the
pedestal level and black level to be the same level.
Item no. Test Point
4 - 25 TP_RIN
4 - 26 TP_GIN
4 - 27 TP_BIN
Blac
k Lebel
P
edestal Lebel
v
480p Offset adjustment