Controls And Adjustment - Wells-Gardner D9300 Series Service Manual

Wells-Gardner Electronics Corporation
6. CONTROLS AND ADJUSTMENTS:
There are four switches on the control panel. Adjustable controls allow the best display
status for individual requirements.
6-1. Key Function.
1. MODE/EXIT
MODE – Call the Main-Menu OSD
2. SEL / Degauss
SEL – Call the Sub-Menu OSD
Degauss – Degausses the CRT (active when the OSD is not displayed)
3. DOWN/UP
When the Main-Menu is displayed, you can select each function using these keys.
When the Sub-Menu is displayed, you can change the amplitude of
the selected function of the screen using these keys.
6-2. O.S.D. CONTROL METHOD.
User Adjustment.
Location
CUSTOMER
CONTROL
PCB
MAIN PCB
*NOTE: (FACTORY ADJUSTED AND EPOXYED VR301)
Adjustment Method
OSD CONTROL
VR control, VR501
VR301
(HOT MELTED SCREEN FBT)
Function
Brightness
Contrast
Horizontal Position
Horizontal Size
Vertical Position
Vertical Size
Side Pincushion
Trapezoid
Pin Balance
Parallelogram
Sub-Bright
H.V. Adjustment*
FBT Focus and Screen
VR302 Tilt
7