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Fig. 5.1 circuit block diagram, Only one channel shown, Output – Crown Audio Com-Tech "00 Series" User Manual

Page 27: Input

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Page 27

Com-Tech 200/400/800/1600 Power Amplifiers

FAULT

ONLY ONE CHANNEL SHOWN

NPN HI

OUTPUT

STAGE

NPN L

O

W

OUTPUT

STAGE

PNP L

O

W

OUTPUT

STAGE

PNP HI

OUTPUT

STAGE

+

OUTPUT

+Vcc

Vcc

TRANSLATOR

LV

A

LV

A

+Vcc

Vcc

BIAS

CURRENT

LIMIT

TRANSLATOR

BALANCE

INPUT STAGE

P.I.P.

BALANCED

INPUT

VARIABLE

GAIN STAGE

ERROR

AMP

DISPLAY

BIAS

BRIDGE

BALANCE

+Vcc

Vcc

POWER

SUPPLY

CONTROL

DC

/L

F

TIMER

POWER

+Vcc

Vcc

ODEP

A

B

A

(ODEP)

B

(ODEP)

SUPPL

Y

D

E

(DISPLAY)

D

C

(DISPLAY)

E

HS

TEMP

C

(ODEP)

+24

24

ENABLE

BARRIER

BLOCK

Fig. 5.1 Circuit Block Diagram