Adjustment Procedures - Sanyo NV-E7000 Service Manual

ADJUSTMENT PROCEDURES

1.Adjustment Conditions
Power supply voltage DC 9.0 V.
Input the suitable signal for each adjustment.
It shifts to TEST MODE by pressing in order of [OUT] [OUT][IN] [IN]
[VOLUME-] [VOLUME
When in TEST MODE, the items can be changed by pressing
of joystick, and the values can be changed by pressing [VOLUME ] or
[VOLUME-]
.
2.LCD Adjustment
< Adjustment conditions >
In VIDEO MODE, input monochrome10 step signal from VIDEO IN.
Go to TEST MODE and adjust in order of the following.
Adjust each video signal value by default value (COLOR/TINT/ BLACK:
CENTER, DIMMER: MAX, AUTO DIMMER: OFF ).
1 ) Adjustment
-
B B
Observe VG(CS1, pin 8 ) by Synchro - scope.
Adjust [RGB AMP] to become [4.0V
voltage (V - )
B B
2) Adjustment
-
B W
Observe VG(CS1, pin 8 ) by Synchro - scope.
Adjust [BRIGHT] to become [2.9V
voltage (V -
B W
3) Red Adjustment
Observe VR(CS1, pin 7 ) by Synchro - scope.
Adjust [SUB R] to become [2.9V
voltage (V - ).
B W
4) Blue Adjustment
Observe VB(CS1, pin 6 ) by Synchro - scope.
Adjust [SUB B] to become [2.9V
voltage (V -
B W
5) VCOM Adjustment
Observe VCOM(CS1, pin 9 ) by Synchro - scope.
Adjust [COM AMP] to become wave Form [4.0V
The steps should be like figure 1 by the above - mentioned adjustment.
] [VOLUME-] [VOLUME ]
-
P
).
P
-
P
)
[RETURN] [POSITION].
- 0.1V] between Black - Black
P P
0.1V] between Black - White
P
- 0.1V] between Black - White
P
0.1V] between Black - White
P
- 0.1V]
P P
_ _
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