Crown Audio IQ-P.I.P.-SLM - Manual (Page 23)

Page 23
IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems
Reference Manual
Fig. 5.1 IQ–P.I.P.–SLM Circuit Block Diagram
MICROCONTROLLER
DIGITALLY
CONTROLLED
ANALOG
ATTENUATOR
A / D
CONVERTER
IOC ODEP A
UX IN
MONITOR INPUTS
INPUT MUX
A/D CONV.
8K x 8
EEPROM
AMP OUTPUT
VOLTAGE
BALANCED
AUDIO INPUTS
POLARITY INVERT
& OUTPUT BUFFER
CH 1
CH 2
AUDIO OUTPUTS
1
2
CH 1
CH 2
CH 1
CH 2
CH 1
CH 2
AMP OUTPUT
CURRENT
PIP INPUT
LEVEL
REF VOLTAGE
RESET
AUX OUT
REM STANBY
DATA LED
IQ ADDR SWITCH
CROWN BUS
SERIAL
DATA INPUT
CROWN BUS
SERIAL
DATA OUTPUT
INPUT
RECEIVER
OUTPUT
DRIVER
DROP-OUT
RELAY
8K x 8
RAM
1
2
1
2
BUFFER
STAGE
+
- CH 1
CH 2
+
-
BALANCE
TO SINGLE
ENDED CONV.
BALANCE
TO SINGLE
ENDED CONV.
DDS SINE
WAVE GEN.
DIGITALLY
CONTROLLED
ANALOG
SWITCH
2
BUFFER
STAGE
1