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QQ
3 7 63 1515 0
Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: Playback
test tape
P-4-A100
(10 kHz, – 10 dB)
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.
L-CH
peak
Output
level
R-CH
peak
Screw
position
3. Mode: Playback
TE
L 13942296513
test tape
P-4-A100
(10 kHz, – 10 dB)
L-CH
set
R-CH
waveform of oscilloscope
in phase 45 °
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
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MAIN board
SPEAKER terminal (J302)
L-CH, R-CH
level meter
set
+
–
within
1dB
L-CH
R-CH
peak
peak
MAIN board
SPEAKER terminal (J302)
L-CH
oscilloscope
V
H
R-CH
90 ° 135 ° 180 °
good
wrong
x
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y
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8
Adjustment Location: Record/Playback/Erase Head
within
1dB
adjustment screw
Screw
position
Note: Refer to "3-6. Cassette Door Assy" (see page 10)
Tape Speed Check
Q Q
3
6 7
1 3
Mode: Playback
test tape
WS-48B
(3 kHz, 0 dB)
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)
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.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
frequency counter
+
set
–
MAIN board
SPEAKER terminal (J302)
L-CH, R-CH
(WS-48B)
m
co
CX-LEM200
9 9
2 8
9 9
13
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