Sony SLV-286EE - Adjustment; ACE Head Tilt Adjustment

4-1-7. Roller Post (L,R) Height Adjustment (Fig. 4-6)
Measuring HiFi alignment tape (HiFi 400Hz)
instrument
Measuring CH-1: RF pin of connector PB for RF
Point board check
CH-2: SWP pin of connector RF for RF
‘Adjustment
locations
board check
[Adjustment method]
1) Tracking (playback): Turn off Auto Tracking, and set to
the center position (by pressing the tracking buttons[ V |
and [A] simultaneously).
(When performing this adjustment after replacing the
drum, place Tracking in the position where the RF
output is at maximum.)
2) Fully tighten the height adjustment screw and slowly
loosen the screw to adjust so that the waveform of the
RF output is flat.
3) Tracking buttons (playback): Alternately press [ V ] and
4) Confirm that drops observed in the RF output are equal
at its lead and trail.
Slowly tum the roller post height
adjustment screw to make the
waveform flat.
TT} io,
Adjust by turning the Tracking control
‘Teak ing Center. in both directions.
Fig. 4-6
4-1-8. ACE Head Tilt Adjustment (Precision)
(Fig. 4-7)
Plavback
Alignment tape (JVC-MH-1 1kHz)
Measuring Oscilloscope
instrument
/jig
Measuring Audio output terminal
point
Adjustment | Azimuth adjustment screw
locations Height adjustment screw
Tilt adjustment screw
[Adjustment method]
1) While in FWD mode, adjust so that there is no curl or lift
on the lower tape guide flange by using the azimuth
adjustment screw.
2) In alternate adjustments, slightly adjust the azimuth,
height so that the audio output is maximized and that is
waveform is made flat (minimized in fluctuation).
HY
BB’: Minimum
Tilt adjustment screw
Height adjustment screw
X value adjustment screw
Azimuth adjustneent screw
Fig. 4-7