ViewSonic A90f

Andy King
September 7, 2024, 10:17 pm
October 2, 2024, 5:49 pm

Summary

Literature

Notes

Voltage checks

B+ should be ~80v off pin 2 of the flyback. HV should be ~26kV at the anode. Heater is DC derrived from 8v rail, should be ~6.3.

Gallery

ViewSonic A90f ViewSonic A90f ViewSonic A90f ViewSonic A90f
Specifications
Brand: ViewSonic
Manufacturer: ViewSonic
Model: A90f
Series: A
Viewable Size: 18"
Inputs: VGA
Sync: HV Sync
Resolutions: VGA, SVGA, WXGA
Horizontal Scan Range: 86 kHz
Vertical Scan Range: 160 Hz
Aspect: 4:3
Adjustments: OSD Customer Controls
Tube: Samsung , M46QCK761X123 , M46QCK761X
Deflection: 90°
Pitch: 0.25 mm
Tint: Dark
Speakers: None
Application: Computer Monitor
Country of Manufacture: Korea
Mounting: Desk Stand
Degaussing: Automatic on Power-on, Manual
Tag: Repair Log