Adjustment Procedure - AOpen A70PF Service Manual

﹟ Test Meter
ITEM
﹡ Test Point
Program Menu. ﹫ Pattern
﹟ Digital Voltmeter
B+
Adjust ﹡ D510 Negative
A
﹫ Crosshatch Pattern
(31.5KHz,640x480)
﹟ Digital Voltmeter
High Voltage
Adjust ﹟ High Voltage
Probe
﹡ Anode Cap-GND
B
﹫ Crosshatch Pattern
(31.5KHz,640x480)
﹫ Crosshatch
Preset
Adjust
(31.5KHz,640x480)
C
A70PF(RX-777NS)
E. ADJUSTMENT PROCEDURE
1. Make the adjustment to the value shown at right
by turning the VR501 on the main PCB.
1. Turn the power switch of the monitor OFF.
2. Connect high voltage probe to Anode Cap and
GND.
3. Turn the power switch of the monitor ON.
(15 minutes)
4. Make the adjustment to the value shown at right
by turning the VR601 on the main PCB.
1. Uplug the power cord of the monitor.
2. Hold
the monitor.
3. Hold
picture,if not ,please return 1-2.
4. Please following the procedure of selection and
adjusting an item using the OSD system as below
steps for main function adjusent.
Step 1 : Press and relese the OSD control knob to
Step 2 : Press
Step 3 : Press and release
Step 4 : To make your adjustment,press or
Step 5 : Press and release
Operation
key,then plug the power cord of
key,make sure into preset
activate the OSD menu.
or key to highlight the desired
option of OSD icon.
key to acress the
option.The color of the inner area of the
OSD will changed from blue to green.
key to decrease the setting.
key to store
the change.the color of the inner area will
go back to blue.You can select select other
function to make adjustment by or
Also you can select exit icon or press
key to exit the OSD menu.
Adjusting
Value
15.5V
± 0.2V
25.5KV
± 0.1KV
Contrast :
MAX.
Brightness
MAX.
H-Size :
306
mm
V-Size :
230
mm
H-Posi. :
Center
V-Posi :
Center
Other adj. :
Best Point
key.
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