Akai VS-2EGN

ADJUSTMENT
ADJUSTMENT
STEP ITEM INPUT MODE | TEST POINT PARTS RESULT & REMARKS
Color Bar
REC TPS 7
7 Switching from REC (Video PCB) VR4 Adjust Tl and T2 waveforms in step
Point Color Bar P205 6 to 6.5H+0.3H.
Generator
r208@
30.81ms £0.15
SmITOHING PULSE
PB P2058 @ 2c s.ovto.av
Cue P205 ®)
(Quick P205 g VRS Tapevan PRASE ERROR voLTAGE
Finder) 1. Adjust VRS so that the switching
pulse waveform is shown above.
2. Readjust VR5 when no color con-
vergence is caused on the TV
screen in cue mode.
Tr 3. Confirm that the capstan servo
Test Tape hi It: is within DC
phase error voltage is within
8 | ColorPhase |¢t-750795) 5.0V#03V.
sito fl
SwiTeHNG PULSE
PB
Review P205 ; °205@ vc Sozasv
(Quick P205 @ Confirmation
Finder) CAPSTAN PHASE ERROR VOLTAGE
1.Confirm the switching pulse wave-
form is shown above.
2. Confirm that color convergence
and also confirm that the capstan
servo error voltage is within DC
5.0V+0.3V.
Confirm the Frequency of the cap-
Test Tape Capstan FG 3 pais
9 Tape Speed (AT-750795) PB output Confirmation | stan motor FG output is within 400
Hz#2Hz.
Test Tape feast
10 | Wow & Flutter (AT-750800)| PB | Audio output} Confirmation | COMit™ the Wow & Flutter is within
3,000 Hz 0.25% WRMS.
‘Service Manual VS-2EGN-
107