Sanyo XF20 - PLC XGA LCD Projector, Руководство по обслуживанию

Страница: 29 / 88

-29-
Equipment Oscilloscope.
Input mode Y, Cb, Cr.
Input signal 16 step gray scale signal
Picture condition Normal.
Set service mode.
*****3-1. Component G Video adjustment
Connections
+ TP211 or TP2072 / - chassis ground.
Adjustment
Select data no. 5010-0. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p. Select data no. 5010-1.
By using ,- buttons, adjust pedestal and black level
to same level.
*****3-2. Component R Video adjustment
Connections
+ TP201 or TP2071 / - chassis ground.
Adjustment
Select data no. 5010-2. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p. Select data no. 5010-3.
By using ,- buttons, adjust pedestal and black level
to same level.
*****3-3. Component B Video adjustment
Connections
+ TP221 or TP2073 / - chassis ground.
Adjustment
Select data no. 5010-4. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p. Select data no. 5010-5.
By using ,- buttons, adjust pedestal and black level
to same level.
__________________________________________
Black Level
Pedestal
Level
A
3. Component Video adjustments
**1-1. +6V_DC Voltage adjustment
Equipment
Digital voltmeter
Connections + K6D(2)
- chassis ground
Adjustment By using VR562, adjust DC Voltage to 6.1
± 0.1V DC.
**1-2. +17V_DC Voltage adjustment
Equipment
Digital voltmeter
Connections + K66D(25)
- chassis ground
Adjustment By using VR6601, adjust DC Voltage to
17.2 ± 0.1V DC.
Equipment Oscilloscope
Input mode AV
Input signal 16 step gray scale signal
Picture condition Normal
Set service mode.
*****2-1. AV G Video adjustment
Connections
+ TP211 or TP5182 / - chassis ground.
Adjustment
_ Select data no. 1010-0. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p.
_Select data no. 1010-1. By using ,- buttons, adjust
pedestal and black level to same level.
*****2-2. AV R Video adjustment
Connections
+ TP201 or TP5181 / - chassis ground.
Adjustment
_Select data no. 1010-2. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p.
_Select data no. 1010-3. By using ,- buttons, adjust
pedestal and black level to same level.
*****2-3. AV B Video adjustment
Connections
+ TP221 or TP5183 / - chassis ground.
Adjustment
_Select data no. 1010-4. By using ,- buttons, adjust
amplitude A to be 0.7 ± 0.05 V p-p.
_Select data no. 1010-5. By using ,- buttons, adjust
pedestal and black level to same level.
Black Level
Pedestal
Level
A
2. AV Video adjustments
1. Voltage adjustments
Electrical adjustments