TOA Electronics A-724 - Manual (Page 9)

9
11. BLOCK DIAGRAM
INPUT 1 LINE:
–
10 dB/600
Ω
MIC:
–
70 to
–
50 dB/600
Ω
INPUT 2, 3 LINE:
–
10 dB/600
Ω
MIC:
–
70 to
–
50 dB/600
Ω
INPUT 4
–
6
LINE:
–
10 dB/600
Ω
MIC:
–
70 to
–
50 dB/600
Ω
INPUT 7, 8 –
10 dB/10 k
Ω
MODULE –
10 dB/10 k
Ω
MUTE CONTROL POWER REMOTE REMOTE VOLUME
+ –
120 V
VCA
TREBLE BASS
Tone control Power
Amplifier
Power remote
SA
POWER switch
Power for control section
Power for audio section Thermal sensor
Fan
A-724 only
70 V
SP OUT
25 V
POWER
120 V
AC
60 Hz
PT
Fuse
Fuse
Output level meter
OT
4
Ω
COM
REC OUT 0 dB/600
Ω
PRE AMP OUT, 0 dB/600
Ω
PWR AMP IN, 0 dB/10 k
Ω
Phantom power
+ – H C
900 Series module slot
IT
T
ransformer (optional)
LINE
MIC
MIC TRIM
INPUT volume
MASTER volume
INPUT volume INPUT volume INPUT volume INPUT volume
MUTE SENSE
Analog mute
LINE
MIC
MIC TRIM
LINE
MIC
MIC TRIM
Mute Mute Mute Mute Mute MUTE RECEIVE