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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.
within
L-CH
1dB
peak
Output
level
R-CH
peak
Screw
position
3. Mode: Playback
test tape
P-4-A100
(10 kHz, –10 dB)
L-CH
set
STR-NX1/
R-CH
waveform of oscilloscope
in phase 45
good
4. Repeat step 1 to 3 in playback (REV) mode.
5. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Playback Head (Deck A).
Record/Playback/Earth Head (Deck B).
forward
reverse
within
1dB
Screw
position
L-CH
R-CH
peak
peak
AUDIO OUT (L) jack
oscilloscope
L-CH
PFJ-1
V
H
or
NX3
R-CH
AUDIO OUT (R) jack
90
135
180
wrong
Open the cassette holder
and unhock six claws of
the sub panel (TC2)
with tweezers or something,
then remove the sub panel (TC2).
Tape Speed Adjustment
• Execute only if connected to the STR-NX1/NX3
Mode: Playback
test tape
WS-48B
(3 kHz, 0 dB)
set
1. Insert the WS-48B into the deck B.
2. Press the
(DECK B) button.
G
[HI-DUB]
3. Press the
button in playback mode.
Then at HIGH speed mode.
4. Adjust RV1001 on the LEAF SW board do that frequency
counter reads 6,000 ± 180 Hz.
[HI-DUB]
5. Press the
button.
Then back to NORMAL speed mode.
6. Adjust RV1002 on the LEAF SW board so that frequency
counter reads 3,000 ± 90 Hz.
Adjustment Location: LEAF SW board
Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS)
Playback level Adjustment
Procedure:
Mode: Playback
test tape
P-4-L300
(315 Hz, 0 dB)
set
Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301
(L-CH) and RV401 (R-CH) so that adjustment within specified
value as follows.
Specified Value:
AUDIO OUT jack PB level: 301.5 to 338.3 mV (–8.2 to –7.2
dB) level
difference between the channels: within ± 0.5 dB
Adjustment Location: AUDIO board
DECK B
AUDIO OUT jack
frequency counter
STR-NX1/
+
NX3
–
(WS-48B)
DECK A
DECK B
AUDIO OUT jack
level meter
PFJ-1
or
+
STR-NX1/
–
NX3
15
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