Technical information

Macro-Tech 3600VZ Power Amplifier
Page 26
Fig. 5.5 Circuit Block Diagram
ONLY ONE CHANNEL SHOWN
NPN HI
OUTPUT
STAGE
NPN LOW
OUTPUT
STAGE
PNP LOW
OUTPUT
STAGE
PNP HI
OUTPUT
STAGE
+
OUTPUT
+Vcc
–Vcc
TRANSLATOR
LVA LVA
+Vcc
–Vcc
BIAS
CURRENT
LIMIT
TRANSLATOR
BALANCE
INPUT STAGE
P.I.P.
BALANCED
INPUTS
XLR
VARIABLE
GAIN STAGE
ERROR
AMP
BIAS
BRIDGE
BALANCE
+Vcc
–Vcc
POWER
SUPPLY
CONTROL
DC/LF
FAULT
VZ
MODE
CONTROL
POWER
+Vcc
–Vcc
ODEP
A B
B
(ODEP)
D
(ODEP)
SUPPLY
E
E
(ODEP)
A
(ODEP)
C
(ODEP)
C D
DISPLAY
1/4" PHONE