Crown Audio IQ-P.I.P.-MEM - Manual (Page 30)

Page 30 Reference Manual
IQ–P.I.P.-MEM Programmable Input Processor for IQ Systems
sor. It interprets commands re-
ceived from the Crown Bus and re-
sponds accordingly. The
IQ–P.I.P.-MEM is designed to pro-
vide an “automatic reset” in the
event of a power failure, but the
rear reset switch has also been
added. Pressing this switch re-
Fig. 5.1 IQ–P.I.P.-MEM Circuit Block Diagram
MICROCONTROLLER
DIGITALLY
CONTROLLED
2-CHANNEL
ATTENUATOR
AUDIO
MONITOR
M
ULTI-
PLEXER
CROWN BUS
SERIAL
DATA INPUT CROWN BUS
SERIAL
DATA OUTPUT
FUTURE HDWR
IOC
Vcc
ODEP
MONITOR INPUTS
INPUT MUX A/D CONV.
AUX OUT
DSPI RESET
REMOTE STANDBY
SW1
IQ ADDRESS
INPUT
RECEIVER OUTPUT DRIVER
DROP-OUT
RELAY
LOG AMP
PEAK
DETECTOR
PEAK
DETECTOR
PEAK
DETECTOR
PEAK
DETECTOR
CH 1 CH 2 CH 1 CH 2
AUDIO INPUTS
AMPLIFIER OUTPUTS
FUTURE
HARDWARE
MONITOR
INPUTS
BALANCE TO SINGLE
ENDED CONV. w/ MIC PRE.
AND PHANTOM POWER
CH 1 CH 2
BALANCED
AUDIO INPUTS
S1: PREAMP GAIN
& PHANTOM POWER
BALANCE TO SINGLE
ENDED CONV. w/ MIC PRE.
AND PHANTOM POWER
S2: PREAMP GAIN
& PHANTOM POWER
PHASE INVERT
& OUTPUT BUFFER
CH 1 CH 2
AUDIO OUTPUTS
1 2
1 2
stores all PIP settings to the “user
defaults” if it is pressed for less than
2 seconds or to the factory defaults
if it is pressed for more than 2 sec-
onds. The only exception is the ini-
tialization data which can only be
changed with IQ System software
on the host computer.