Sony WM-AF59 Service Manual

WM-AF59/BF59 {
4-2. ELECTRICAL ADJUSTMENTS
4-2-1.
Tape Section
Playback Head Azimuth Adjustment
Procedure:
1.
Playback mode
test tape
P-4-A063
(6.3 kHz, -10 dB)
scre
Turn the adjustment screw for the maximum
output levels. If these levels do not match, turn
the adjustment screw until both of output
levels match together within 3 dB.
within
3daB
within 3 dB
}
R-CH
a peak
position
—e angle
R-CH 7
peak peak
Adjustment should be made in both directions
of FWD and REV.
Adjustment screws should be stopped turning
in thé clockwise direction.
After the adjustment, lock the screws with
locking compound.
Tape Speed Adjustment
Procedure:
test tape
WS-48A
(3 kHz, OdB)
frequency counter
PHONES
Play back WS-48A (Tape center portion) in
FWD mode.
Adjust the RV601 so that
counter reads 3,000 +90 Hz.
Play back WS-48A (Tape center portion) in
REV mode.
Confirm
that
the
reading
of
frequency
counter
is
within
1.5%
from
the
reading
in
step
1.
the frequency
Adjustment Location:

Sony WM-AF59 Specifications

General

Brand	Sony
Model	WM-AF59
Category	Cassette Player
Language	English