Pioneer AVD-505 Service Manual - Page 25

AVD-505 Order Item 17 B Sub-bright Adjustment 18 FL8V Adjustment Mode RGB Input signal (input point, waveform, specification, alternative measuring conditions) Step signal or else white 50% video signal TP·VFL···14.4 ± 0.2V TP·GNDFL···GND ' ' Output signal (measuring point, wave form,circuit explanation) TP·GOUT, TP·BOUT ' TP·V8R0···DC Measuring Specification instrument Adjustment point Oscilloscope Superimpose VR1403 the two waveforms (50% white part) of green and blue, ' and parts Offset: Within ± 0.1V DC V Meter 7.75 ± 0.1V VR1051 - General Adjustment Order Order Item Mode Input signal (input point, waveform, specification, alternative measuring conditions) 1 Aging Random Set state of operation White 100% or else animation display 2 Flicker Random Line reverse video signal Adjustment (horizontal stripe 1) Bright volume to center click position Output signal (measuring point, wave form,circuit explanation) Flickering Measuring Specification instrument Adjustment point By eye Exceeding 20minutes Adjustment for smallest amount of flickering VR1651 7. GENERAL INFORMATION 7.1 IC NJM2107F *TC7W32FU V+ OUTPUT 5 4 + 1 23 1A 1 1B 2 2Y 3 GND 4 8 VCC 7 1Y 6 2B 5 2A INPUT+ V- INPUT - * IC's marked by* are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. 25