PROVIEW 787NS
Manual de Servicio

F. ADJUSTMENT PROCEDURE
ITEM Program Menu.

�Test Meter ﹡Test Point ﹫Pattern �Digital Voltmeter ﹡D510 Negative ﹫Crosshatch Pattern (31.5KHz,640x480)

Operation

Adjusting Value 15.5V ±0.2V

B+ Adjust A

1. Make the adjustment to the value shown at right by turning the VR501 on the main PCB.

High Voltage �Digital Voltmeter 1. Turn the power switch of the monitor OFF. Adjust �High Voltage 2. Connect high voltage probe to Anode Cap and Probe GND. B ﹡Anode Cap-GND 3. Turn the power switch of the monitor ON. ﹫Crosshatch Pattern (15 minutes) (31.5KHz,640x480) 4. Make the adjustment to the value shown at right by turning the VR601 on the main PCB.

26.0KV (17�,19�) 25.0KV ±0.1KV (15�)

Preset Adjust

﹫Crosshatch (31.5KHz,640x480)

1. Turn the power switch of the monitor OFF. 2. Hold encorder key,then turn the power switch of the monitor ON.(one key type) Hold MENU key,then turn the power switch of the monitor ON.(four key type) 3. Turn encorder/MENU key,make sure into preset 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.

C

Contrast : MAX. Brightness MAX. H-Size : 260mm(15�) 310mm(17�) 360mm(19�) V-Size : 190mm(15�) One key model : 230mm(17�) Step 1 : Press and relese the OSD control knob to 270mm(19�) activate the OSD menu. H-Posi. : Step 2 : Turn the knob to highlight the desired option Center of OSD icon. V-Posi : Step 3 : Press and release the knob again to access the option. The color of the inner area of the OSD will changed from blue to green. Step 4 : To make your adjustment,turn the knob clockwise to increase or countclockwise to decrease the setting. Step 5 : Press and release the knob again to store the change.the color of the inner area will go back to blue.You can select EXIT icon and press the knob the exit the OSD menu. Center

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