56
PX10/PX8/PX5/PX3
2-2-5. DSP-MUTE noise level
Measurement condition
Criteria
Select “Analog > CFG1
(
+14dBu
)
” with Service inspection mode.
Measured mode
/
8
Ω
MODE
The signal of -10dBu is input to input terminal.
Select “Analog > DSP-MUTE ON ” with Service inspection mode.
All channel
PX10
-52dBu or less
PX8
-53dBu or less
PX5
-54dBu or less
PX3
-55dBu or less
※
Use the low-pass
fi
lter of 20kHz for the measurement.
※
Item /DSP-MUTE OFF is executed, after ending an inspection.
2-2-6. Output noise level
Measurement condition
Criteria
Select “Analog > CFG1
(
+14dBu
)
” with Service inspection mode.
Measured mode
/
8
Ω
MODE
The inputs of both Ach/Bch are terminated by 100
〜
150ohm resistor.
All channel
PX10
-54dBu or less
PX8
-55dBu or less
PX5
-56dBu or less
PX3
-57dBu or less
※
Use the low-pass
fi
lter of 20kHz for the measurement.
2-2-7. Crosstalk
Measurement condition
Criteria
Select “Analog > CFG1
(
+14dBu
)
” with Service inspection mode.
Measured mode
/
8
Ω
MODE
1kHz signal applied to Ach input terminal and adjust the signal level the Ach output
level is to be as below. And Bch input terminal shall be terminated with 100
〜
150ohm resistor. Measure the voltage of Bch output terminal.
PX10
500W
38.3dBu
PX8
400W
37.3dBu
PX5
250W
35.3dBu
PX3
150W
33.0dBu
All channel
PX10
-21.7dBu or less
PX8
-22.7dBu or less
PX5
-24.7dBu or less
PX3
-27.0dBu or less
※
Use the low-pass
fi
lter of 20kHz for the measurement.
Содержание PX10
Страница 23: ...23 PX10 PX8 PX5 PX3 ACIN Circuit Board B B B B Pattern side 2NA ZT09720 2...
Страница 25: ...25 PX10 PX8 PX5 PX3 AUDIO Circuit Board Pattern side Scale 80 100 2NA ZT09660 3...
Страница 29: ...29 PX10 PX8 PX5 PX3 Pattern side 2NA ZT09780 PS Circuit Board 2...
Страница 62: ...62 PX10 PX8 PX5 PX3 4 4 1 1 2 61 4 2 2 1 61 LED 4 3 LCD 4 4 MENU A B...
Страница 88: ...88 PX10 PX8 PX5 PX3 1 Vburst 1 500 1 20 0 5dB 3...