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Purpose of this manual
This manual is an installation manual of Audio D/A
Converter Board BKPF-L752.
This manual is intended for use by trained system and
service engineers, so describes information regarding
installation.
Related manual
Besides this installation manual, the following manual is
available for BKPF-L752.
. Maintenance Manual (available on request)
This manual describes the information that premise the
parts level service (adjustment, parts list, diagrams, etc.).
If this manual is required, please contact your local Sony
Sales Office/Service Center.
1. Installation
BKPF-L752 is composed of the following items.
. Main board (DAC-38 board)
. Connector panel (CN-1858/1859 boards)
. Slot label
. Installation guide
. Installation manual
Before attaching BKPF-L752 to a interface unit
Set the setting switch (S3) on the main board.
(Refer to next page.)
Attaching BKPF-L752
BKPF-L752 is designed to be installed and operated in the
interface unit PFV-L1 or PFV-L10.
In accordance with Section 1-6 in the installation manual
of PFV-L1/L10, be sure to attaching the main board and
connector panel of BKPF-L752.
Adjusting the audio input/output gain
If necessary, adjust the gain after attaching BKPF-L752.
Matching connector/cable
When external cables are connected to the connectors on
the connector panel, the hardware listed below (or equiva-
lents) must be used.
Print on panel
Matching connector
AES/EBU IN
BNC (75 Z) / 1-569-370-12
AUDIO OUT
6-pin plug with flange
(PHOENIX CONTACT: MC 1,5/6-STF-3,5)
or
3-pin plug without flange / 1-794-830-11
(PHOENIX CONTACT: MC 1,5/3-ST-3,5)
BKPF-L752
2. Name and Function of Connector
1
1
1
2
2
1
1
1
1 AES/EBU IN (Digital audio signal input)
1
connectors
Accept the digital audio signals of the AES/EBU
format.
Normally, input the CH1/2 to the connector 1, and
input the CH3/4 to the connector 2.
2
2
2 AUDIO OUT (Analog audio signal output)
2
2
connectors
Output the analog audio signals converted from the
signals of the AES/EBU format supplied to the AES/
EBU IN connectors.
The signals input to the AES/EBU IN 1 connector are
outputted as the AUDIO OUT CH1 and CH2.
The signals input to the AES/EBU IN 2 connector are
outputted as the AUDIO OUT CH3 and CH4.
n
When a 3-pin connector type is used for connection
with a cable, four connectors are required.
When a 6-pin connector type is used, two connectors
are required.
Recommendable cable
Belden 8281 coaxial cable
. Cable with loss of less than 25 dB/km (f = 10 MHz)
—
AES/EBU IN
2
AUDIO OUT
+
+
3
_
_
G
G
+
+
_
4
_
G
G
L752
1 (E)
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