Magnavox 19MDTR20 Service Manual

Also see for 19MDTR17: Features

Contents

2-3-2 MK14NMA_PC1. Tape Interchangeability AlignmentNote: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset positionevery time a tape is loaded or unloaded. (Refer to page 2-3-4, procedure 1-C, step 2.)Equipment required:Dual Trace OscilloscopeVHS Alignment Tape (VFMS0001H6)Guide Roller Adj. ScrewdriverFlat Screwdriver (Purchase Locally)Note: Before starting this Mechanical Alignment, do all Electrical Adjustment procedures.Adjust the X Value for maximum envelope.(Page 2-3-3) (Use Alignment Tape.)Check to see that the tape is not creasingand that there is no slack on the supplyand take-up side Guide Rollers.(Use a blank tape.)Adjust the height of the Guide Rollers(Supply side and take-up side).(Use a blank tape.) (Page 2-3-3)Loading (Use a blank tape.)Adjust the envelope. (Page 2-3-4)Check the envelope.Adjust the Audio Section.(Azimuth Alignment) (Page 2-3-5)Check the audio output.Check the following:1. X Value (Page 2-3-3)2. Envelope (Page 2-3-4)Adjust the X value and envelope.Not goodDo the final tape-traveling test to see thatthe tape runs normally in play mode with-out creasing or slacking.CompletionNot goodOKOKOKNot goodNot goodOKOKFlowchart of Alignment for tape traveling1-A1-ACheck to see that the tape is not creasingand that there is no slack on the REV Post.(Use a blank tape.)1-E1-B1-C1-C1-D1-D1-B, 1-C1-B, 1-C1-A