Crown CE 2000TX Operation Manual page 21

CE2000TX Power Amplifier
6 Principles of Operation
Figure 6.1
CE 2000TX
Amplifier Block
Diagram
BALANCED
INPUTS
(Shown with
Standard Input
Module)
Operation Manual
COMPRESSOR
TO CLIP
CONTROL
INDICATOR
BUFFER
ERROR
VARIABLE
BALANCE
AMP
GAIN STAGE
INPUT STAGE
TO SIGNAL
PRESENCE
INDICATOR
MUTE
+ HI-VOLTAGE
BOOTSTRAP
CURRENT
SOURCE
BIAS BIAS BIAS BIAS BIAS BIAS
TRANSLATOR LVA
–VCC –VCC
DC PROTECT
LOGIC
TO
FAULT
CONNECTOR
HEATSINK
TRIPLE-DEEP
TEMPERATURE
DARLINGTON
NPN POSITIVE
OUTPUT STAGE
TDVI
LIMITER
TRIPLE-DEEP
DARLINGTON
NPN NEGATIVE PROTECT
OUTPUT STAGE
HEATSINK
TRANSFORMER
TEMPERATURE
TEMPERATURE
PROPORTIONAL
SPEED
POWER
FAN
CONTROL
SUPPLY
BOOTSTRAP
FAN
TURN-ON
DELAY
+
OUTPUT
CONTROL
OUTPUT
DC
TO FAULT
INDICATOR
+ VCC
+ 15V
– 15V
– VCC
+ HI-VOLTAGE
CIRCUIT BOOTSTRAP
page 21