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QQ
3 7 63 1515 0
TAPE SECTION
• Standard Output Level
Output terminal
load impedance
output signal level
• Test Tape
Type
WS-48AJ
3 kHz, 0 dB
Tape Speed Adjustment
Procedure:
Mode: playback
test tape
WS-48AJ
(3 kHz, 0 dB)
set
Adjust so that the value on the digital frequency counter is
3,000 Hz.
Specification Value:
TE
Digital frequency counter
L 13942296513
2,910 to 3,090 Hz
Adjust so that the frequency at the high speed dubbing are between
4,400 to 5,000 Hz.
Adjustment Location:
– MAIN board (component side) –
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ELECTRICAL ADJUSTMENTS
0 dB = 0.775 V
PHONES Jack (J351)
8 Ω
0.25 V (–10 dB)
Signal
Used for
tape speed adjustment
digital frequency
counter
8 Ω
PHONES jack (J351)
L330
Tape Bias Frequency
Ajustment
SFR801
x
ao
y
Tape speed adjustment
i
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SECTION 5
8
Tape Bias Frequency Adjustment
Setting:
FUNCTION button: TAPE
Mode: REC
test tape
WS-48AJ
(3 kHz, 0 dB)
TAPE BIAS FREQUENCY ADJUSTMENT
Adjust L330 so that frequency counter reading is 49 kHz ± 3 kHz.
Azimuth Adjustment
Procedure:
Mode: playback
test tape
WS-48AJ
(3 kHz, 0 dB)
Q Q
3
6 7
1 3
Adjust head azimuth adjustment screw so that the output level is
maximum.
Confirm that the difference between Lch and Rch is 2.5 dB or less.
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2 9
9 4
2 8
digital frequency
counter
8 Ω
set
PHONES jack (J351)
L330
49 kHz ± 3 kHz
8 Ω
set
1 5
0 5
8
2 9
9 4
PHONES jack (J351)
m
co
CA-V100
9 9
level meter
(range: 0.5–5 V ac)
2 8
9 9
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