Accuphase DAC-50 Instrukcja obsługi - Strona 2
Przeglądaj online lub pobierz pdf Instrukcja obsługi dla Systemy wejścia/wyjścia Accuphase DAC-50. Accuphase DAC-50 2 stron. Digital input board
Drukuj stronęThank you for your purchase of the DAC-50 Digital Input Board. This optional board allows you to
play audio data from your computer through a USB connection. It can also play from a CD player
or other digital output device connected by digital coaxial cable or optical fiber.
These boards mount into the rear panel of your supporting analog Accuphase device, and allow the
device to accept digital input. Refer to the documentation for your Accuphase device for information
about how to operate this board—how to select inputs, set the sampling frequencies, and so on.
Included Accessories: "USB Utilities 2" CD and "USB Utilities 2" Setup Guide
Using the DAC-50
Adds one USB input, one optical-fiber input, and one coaxial input to the device. Use these to input
digital sound signals from digital components.
USB
Format:
Sampling Frequencies: 32 to 384 kHz (all 16–32-bit 2-ch PCM)
Cable:
USB connection requires bus power (minimum 200 mA).
Optical
Format:
Sampling Frequencies: 32 to 96 kHz (all 16–24-bit 2-ch PCM)
Cable:
Coaxial
Format:
Sampling Frequencies: 32 to 192 kHz (all 16–24-bit 2-ch PCM)
Cable:
USB Port
USB (Type B) connection
Connect to the type-B plug on a USB cable. Before connecting to your computer, install the
software from the included USB Utilities 2 CD, as explained in the included documentation.
USB (Type B) connection
USB port
Remove the USB dust cover.*
OPTICAL
Accepts JEITA-compliant optical fiber cable.
Connecting
optical fiber cable
Plug
Optical fiber
cable
Remove the plug's
protection cap.*
COAXIAL
Accepts 75-ohm digital coaxial cable.
Selecting Your Input
If your device includes a DAC switch...
Otherwise...
❶
The DAC-50 will automatically lock in the input signal from the ①coaxial, ②optical, or ③USB connector, in
that order, when power comes on or when the input selector is set to OPTION.
❷
To select the input jack to use on the DAC-50 (USB, optical, or coaxial): disconnect the input cables you do
not wish to play from, or else switch off the power to the input devices you do not wish to play from.
Digital Input Board
USB 2.0 high-speed (480 Mbps) compliant
2.8224 MHz, 5.6448 MHz, 11.2896 MHz (1-bit 2-ch DSD)
(11.2896 MHz is ASIO only)
USB 2.0 Connector with Type-B Plug (length up to 2 meters)
JEITA CP-1212 compliant
JEITA-compliant optical fiber
IEC 60958 AES-3 compliant
75-ohm digital coaxial
Align the plug with the
port and push firmly in.
USB cable
with Type-B plug
*Retain the dust cover for future use.
If connector
Align the plug with the
is shuttered:
Plug
port and push firmly in.
Push to open shutter.
Align plug guide with
jack, and push in firmly.
*Retain the protection cap for future use.
Use the DAC input switch to select the input.
DAC-50
Note
Limitation in Sampling Frequency Display on the C-2120, E-600, E-470,
E-370, and E-270
These units will not display the correct sampling frequency, but will instead display 192.0
kHz, when playing at sampling frequencies of 352.8 or 384 kHz (PCM) or 2.8224, 5.6448,
or 11.2896 MHz (DSD). The DAC-50 itself, however, will be using the correct sampling
frequency to process and replay the incoming signal.
About the Cable Connection
Do not simultaneously connect to both digital (USB, coaxial) and analog (line, balanced)
outputs of the same source device. Running multiple connections to a single device may
create a loop, resulting in humming and other noise.
Limitation with the E-307, E-308, C-245, and CX-260
Owing to power limitations, these devices cannot support dual digital input boards. They
do, however, support simultaneously use of one digital and one analog input board. If you
install a DAC-50 into one slot, you can also install an AD-50, -30, or -20 into the other.
How to install
❶ Turn off the device power.
❷ On the rear panel, remove the sub panel of the slot you
wish to use. (See
)
Fig. 1.
◆
Retain the sub panel for future use.
❸ Insert the option board into the slot, along the slot's
upper and lower guide rails (see
). When the rear
Fig. 2.
of the board reaches the internal connectors, give a
gentle push to snap the connection into place, so that
the front of the board becomes flush with the panel.
❹ Secure the board by screwing in the top and bottom
screws.
Caution
Turn off the device power before installing or removing option boards. Installing a
●
board while power is on may damage the equipment.
Keep fingers out of the opened slot. Do not place anything other than the board into
●
the slot.
Avoid touching the board's soldered areas, connector contacts, and components.
●
Touching these areas may damage the circuitry or the contact. Hold the board by the
edges or along its panel.
Tightly screw in the two screws all the way (by hand). If screws are loose, terminals
●
may separate from ground, resulting in poor contact or equipment damage.
Do not use electrical contact enhancers or conductivity agents on input jacks and
●
connectors, as these may cause aging in resin parts and lead to damage.
J171.3X
INSTRUCTION MANUAL
Illustration shows installation on the E-650.
Guide rail
Subpanel
Guide rail
Fig. 1.
ACCUPHASE LABORATORY, INC.
YOKOHAMA, JAPAN
820-3316-00 (B1)
Option
board
Fig. 2.
Printed in Japan