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Maintronic DPA4.150 Service Manual page 9

Digital power amplifier

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Pilottone:
Uncontrolled Pilottone without
any Filter or Frequency.
Use the following contacts:
Pilottone plug (7) for IN 1/2
Pilottone plug (8) for IN 3/4
Sensitivity 1V = 3V at the outputs
Auto-ON function diagram, shows the Inputs and the activity of each channel.
Inputs
SENS active
Auto ON 7-300mV
Option 1
Auto ON IN 1
Auto ON IN 2
Auto ON IN 3
Auto ON IN 4
Pilot 1/2
Pilot 3/4
SENS deactivated
Always ON
Option 2
Audio-Channel-Remote
CH 1-4 ON - Option 3
Bridged-mode-Remote
B 1-4 ON
B-active
1/2
B-active
3/4
IN 1
IN 2
Pilot
1/2
CH 1
CH 2
CH 1/2
ON
ON
ON
CH 1
OFF
OFF
ON
CH 2
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
CH 1/2
OFF
OFF
ON
OFF
OFF
OFF
IN 1
IN 2
Pilot
1/2
CH 1
CH 2
CH 1/2
ON
ON
ON
CH 1
CH 2
CH 1/2
ON
ON
ON
CH 1/2
OFF
OFF
ON
OFF
OFF
OFF
CH 1
CH 2
CH 1/2
ON
ON
ON
7
Input 1/2
+IN 1
GND
- IN 1
+IN 2
GND
- IN 2
Pilottone
+IN 1/2 B
GND
- IN 1/2 B
Bridge
B active
B1/2
IN 3
IN 4
CH 3
CH 4
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
CH 3
OFF
OFF
ON
CH 4
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
B1/2
IN 3
IN 4
CH 3
CH 4
OFF
ON
ON
CH 3
CH 4
OFF
ON
ON
CH 1/2
OFF
OFF
ON
CH 1/2
CH 3
CH 4
ON
ON
ON
OFF
OFF
OFF
installation
8
Input 3/4
+IN 3
GND
- IN 3
+IN 4
GND
- IN 4
Pilottone
+IN 3/4 B
GND
- IN 3/4 B
Bridge
B active
Pilot
B3/4
3/4
CH3/4
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
CH 3/4
OFF
ON
Pilot
B3/4
3/4
CH 3/4
OFF
ON
CH 3/4
OFF
ON
CH 3/4
CH 3/4
ON
ON
CH 3/4
OFF
ON
CH 3/4
OFF
ON
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