Toa BG-235 - Manual (Page 14)

14
15. BLOCK DIAGRAM
ELECTRONICALLY BALANCED
POWER AMP
SPEAKER OUT (ZONE 1)
MIC/ LINE 1 600 Ω
MIC/LINE 1
AC120 V 60 Hz
POWER SUPPLY FOR POWER AMP
70 V LINE
LINE 2 10 kΩ
H E H C E
MANUAL MUTE
MUTE
LINE 2
ON
MUTE SENSE
MIX AMP
MIX AMP
25 V LINE 4 Ω COM
H C E
OT
MOH OUT (ZONE 2)
600 Ω
1: MOH ASSIGN (MIC/LINE 1) 2: MOH ASSIGN (LINE 2) 3: MOH ASSIGN (LINE 3) 4: – – – –– 5: MUTE RECIEVE (LINE 2) 6: MUTE RECIEVE (LINE 3) 7: AUTO MUTE (MIC/LINE 1) 8: MIC (ON)/LINE 1 (OFF)
8 1 DIP SWITCH
H E
LINE OUT 600 Ω
TONE CONTROL BASS
T
REBLE
PT
MOH
POWER SUPPLY FOR PRE AMP
THERMOSTAT (ON HEATSINK)
RELAY
BREAKER
SIGNAL
PEAK
POWER
LINE 3 10 kΩ
H E
POWER SWITCH
FUSE
OT
LINE 3
MUTE
MUTE
CONTROL