13
CX-LEM200
Tape Speed Check
Mode: Playback
1. Insert the WS-48B into the deck.
2. Press the
N
button on the deck.
3. Confirm that the frequency counter reads 3,000 ± 90 Hz.
Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS)
(WS-48B)
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
3. Mode: Playback
4. After the adjustments, apply suitable locking compound to the
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
set
test tape
P-4-A100
(10 kHz, – 10 dB)
R-CH
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
°
135
°
180
°
wrong
MAIN board
SPEAKER terminal (J302)
L-CH
+
–
set
test tape
WS-48B
(3 kHz, 0 dB)
MAIN board
SPEAKER terminal (J302)
L-CH, R-CH
frequency counter
Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: Playback
Adjustment Location: Record/Playback/Erase Head
set
MAIN board
SPEAKER terminal (J302)
L-CH, R-CH
+
–
level meter
test tape
P-4-A100
(10 kHz, – 10 dB)
Note: Refer to “3-6. Cassette Door Assy” (see page 10)
adjustment screw
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