Overview
The
rDac
is
a
D
to
A
convertor
featuring
Optical
/
Coaxial
and
USB
inputs
and
utilizes
a
simple
push
button
to
cycle
between
the
input
option
–
when
locked
on
to
data
the
LED
in
front
of
the
relevant
source
will
light
Green
and
audio
should
be
present
if
the
LED
is
RED
in
color
the
input
is
not
locked
onto
relevant
data.
Compatible
formats
include.
All
PCM
2
channel
Input
/
bit
depth
32kHz
44.1kHz
48kHz
88.2kHz
96kHz
176kHz
192kHz
USB
16
&
24
Bit
Yes
Yes
Yes
Yes
Yes
No
No
Optical
16
&
24
Bit
Yes
Yes
No
No
No
No
No
Coaxial
16
&
24
Bit
Yes
Yes
Yes
Yes
Yes
Yes
(1)
Yes
(1)
Wireless
16
Bit
No
Yes
No
No
No
No
No
(1)
Source
may
not
be
capable
of
resolution
Power
supply
circuit
page
5
A
external
6v
600ma
D.C
power
supply
is
used
to
supply
the
required
power
to
the
Connector
at
location
CON400
this
is
then
switched
by
the
rear
panel
mounted
power
switch
at
location
SW400,
D400
is
used
for
PSU
monitor
by
associated
circuitry
formed
by
IC105
and
IC104,
D401
is
used
to
prevent
reverse
bias
of
the
PSU,
the
supply
is
then
filtered
by
the
network
of
L400
and
C400
to
form
the
main
PSU
source
of
+6v
D.C.
The
rDac
features
7
separate
regulated
powers
supplies
details
appear
in
the
table
below
Regulator
locations
Voltage
(d.c)
Components
associated
REG400
+5v
Kleer
option,
optical
input
rec,
LED
array
via
IC102
REG401
+3V3
IC
100,
103,
104,
108,
107,
200,
201,
202,
203,
204,
205,
206,
301
mute
circuit
REG402
+3V
SPDIF
receiver
REG403
+5v
Output
stage
+5v
REG404
+3v3
Oscillator
REG405
+5v
DAC
IC400
‐
5v
Output
stage
‐
5v
IC107
+1.8
Main
micro
core
voltage
All manuals and user guides at all-guides.com
