CXA2020M/S
SW Bias
No.
Item
Symbol condi- condi-
tions tions
Conditions
Measure-
ment Min. Typ. Max. Unit
point
Input signal: SIG2
Caluculate the level
difference between the
28
Mute volume
SUB
Ms 4
4
output amplitude of Pins
20 and 21 (16 and 17)
(VMs) and the
measured value (Vs2)
in measurement No. 3.
Pins
20 and 21
(16 and
17)
70
80
—
dB
Ms = 20log
Vs2
VMs
(dB)
(15kLPF, 1kBPF)
29
Mute volume
stereo
Input signals: SIG4, 5
Measure the level
difference between the
output signals of Pins 20
Mst
4
2
and
4
and 21 (16 and 17)
under bias conditions
2 and 4.
Mst = Measured value
under bias
Pins
20 and 21
(16 and
17) ∗2
70
20log
condition 2 (mVrms)
Measured value
under bias
condition 4 (mVrms)
Input signal: SIG18
30
DC offset
stereo L-ch
Ostl
3
2
and
4
Measure the fluctuation
in the output DC level of
Pin 21 (17) under bias
Pin 21
(17)
—
conditions 2 and 4.
80 — dB
20 100 mV
31
DC offset
stereo R-ch
Ostr 3
Input signal: SIG18
2
and
4
Measure the fluctuation
in the output DC level of
Pin 20 (16) under bias
Pin 20
(16)
conditions 2 and 4.
— 20 100 mV
32
DC offset
MAIN OUT
Input signal: No signal
Om
3
2
and
4
Measure the fluctuation
in the output DC level of
Pin 19 (15) under bias
Pin 19
(15)
conditions 2 and 4.
— 20 100 mV
Input signal: SIG12
Change SIG12 and
33
Cue detection
sensitivity
CD
4
2
measure amount of
attenuation at the point
—
"monaural" switches to
"Sound multiplex".
9
14 17 dB
Input signal: SIG13
Change SIG13 and
34
SUB detection
sensitivity
SD
4
2
measure amount of
attenuation at the point
—
"monaural" switches to
"Sound multiplex".
10 13 18 dB
∗2 Measure Pin 21 for SIG4 input; Pin 20 for SIG5 input.
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