Crown Macro-Tech MA-1200 Service Manual page 12

BGS
BALANCED
-1
INPUTS
Figure 3. Typical Crown Amplifier Basic Block Diagram (One Channel Shown)
12
Macro-Tech 1200 Amplifier Service Manual
ERROR
VGS
AMP
Theory
+LVA
+VOLTAGE
-1
TRANSLATOR
OUTPUT
DEVICE
EMULATION
PROTECTION
-LVA
-VOLTAGE
-1
TRANSLATOR
MAIN NEGATIVE FEEDBACK (NFb) LOOP
-1
INVERTING
BRIDGE
BALANCE
POSITIVE
HIGH SIDE
OUTPUT
NPN STAGE
HIGH SIDE
BIAS
SERVO
NEGATIVE
HIGH SIDE
OUTPUT
PNP STAGE
POSITIVE
LOW SIDE
OUTPUT
NPN STAGE
LOW SIDE
BIAS
DIODE
STRING
NEGATIVE
LOW SIDE
OUTPUT
PNP STAGE