2 - 12. Adjustment procedure2.1 Measuring instruments(1) Signal generator A: Astro Design VG-812 or equivalent(2) Signal generator B: Astro Design VG-829 or equivalent(3) DC voltmeter: 150V 0.5 Class or digital voltmeter(4) High voltage meter: 0.5 Class that can measure 30KV(5) Luminance meter: Minolta color analyzer CA-100 or equivalent(6) AC voltmeter: 150V/300V 0.5 Class(7) Oscilloscope: Scope with band of 100MHz or more(8) Landing measuring device: Felmo product(9) Double scale: For width and distortion measurement(10)Withstand voltage meter: Kikusui Model TOS8650 or equivalent(11)Grounding conductivity measuring instrument: CLARE U.K. product2.2 Preparatory inspections(1) There must be no cracks or remarkable contamination on the PWB.(2) There must be no remarkable lifting or inclination of the parts on the PWB, and theparts must not be touching.(3) The connectors must be securely inserted without crimping faults.(4) The CRT socket, anode cap and focus lead must be securely mounted.(5) The lead wires must not be pressed against the edges of the board.(6) The lead wires must not touch the high temperature parts such as the R-METAL, R-CEMENT or TR with FIN.(7) The board must not be bent, remarkably contaminated or scratched.(8) The CRT has no scratch or chipping.(9) Each potentiometer must turn smoothly.(10)Always set each potentiometer to the following positions before turning the power ON.Potentiometer default settingsPWB namePWB-MAIN H-POSIFOCUS1FOCUS2SCREENCenterCenterCenterCompletely counterclockwiseFBTFBTFBTIC sourcesVR5A1Name (symbol) Default adjustment position RemarksBEZELCRT* look at inside of the monitor from upper side.VR5A1DYPWB-MAINFBT
