Sony CFS-W301 User Manual

CFS-W301 |
1-2. TAPE RECORDER SECTION
ELECTRICAL ADJUSTMENTS
Record/playback Head Azimuth Adjustment
Note: The adjustment should be performed in the order Procedure:
given in this service manual. The adjustments should
be performed for both L-CH and R-CH. 1. Mode: FWD playback
@ Switches and controls should be set as follows
unless otherwise specified.
FUNCTION: TAPE (RADIO OFF)
VOLUME: mechanical mid
TONE: mechanical mid
test tape
P-4-A063
(6.3 kHz, —10 dB)
@® Standard Input Level
source impedance 300 Q
0.77 mV
(—60 dB)
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 2 dB.
input level
@ Standard Output Level
[Hones [Speoker |
0.25 V (—10 dB) | 0.775 V (0 dB)
P-4-A063 | 6.3 kHz, —10 dB | Azimuth Adjustment
WS-48A 3 kHz, 0 dB | Tape Speed Adjustment
within 2dB
Test tape:
R-CH
screw peak
position
—* screw position
L-CH
3. Phase Check
Mode: playback
test tape
P-4-A063
—_ iB.
(6.3
kHz,
—10
dB)
Oscilloscope
PHONES
Screen pattern
Deck B Adjustment screw
in phase 45° 90° 135° — 180°
Ona ts Sree es,
good wrong

Sony CFS-W301 Specifications

General

Brand	Sony
Model	CFS-W301
Category	Speakers
Language	English