Sony WM-A53 - Page 5

— 4-2. | ELECTRICAL ADJUSTMENTS
Playback Head Azimuth Adjustment
Procedure:
1. Playback mode
test tape
P-4-A063 |
(6.3
kHz,
-10
dB)
VTVM
PHONES
2. 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.
L-CH
peak
!
|
|
R-CH :
screw peak
position arr —» angle
L-CH R-CH
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, 0dB) frequency counter
, oe ey
J PHONES
1. Play back WS-48A (Tape center portion) in
FWD mode. |
Adjust the RV601 so that the frequency
counter reads 3,000 +90 Hz.
2. 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.
within3dB | Adjustment Location:
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