29
Block Diagram
Lcd Display
Enter/Info
Select
Menu
Esc/Buzzer
MASTER MICRO PROCESSOR UNIT
Encoder vol
CPU-RST
OCP-RST
CLIP
SIG
ON
St-by
MASTER CONTROL SECTION (FRONT B/D)
Data
RS-485
in
out
Power
Remote
MAS-RST
POWER
E.B
P
GM IN
P
RIORITY IN
D-AMP
100V
cold
hot
-Over cureent
-Thermal
E.B
-
DC Power
24V
MICRO PROCESSOR
H.
P.F
200Hz
Signal detector
Fi
ter on/o
ff
AC Power
230V~,
50Hz
ELECTRO
GAIN CONTROL
Modulation
SUM
-6dBm
+75V
DC-OFF
hot
cold
com
hot
cold
com
200Hz
Sub sonic Filter
Input level : 0dbm(Bal)
Amp sleep
P.W.M
Prio
rty
Low pass Filter
Protect Mute
Amp check
Volume control
Protect mo
n
tor
Pilot monitor
Pilot O.S.C
DC Serveo
+18V
+/-12V
+5V
SMPS [AC/DC]
SMPS [AC/DC]
Constant power section
Constant power section
+/-12V
+5V
Out stage power
Pre amp&Logic stage power
AUDIO SECTION
POWER SUPPLY SECTION
E.B
VU-SIG
PROTECT
AC-Low volt
DC-Low volt
O.C.P
LIMITTS
Over load detect
Short de ect
Out short monitor
