Sony BKPF-L752 Benutzerhandbuch

Seite von 34
1-2 (E)
BKPF-L752
D3
S3
ON
D814
D815
RV101
RV201
RV301
RV401
3
2
1
4
5
6
7
8
1 2 3 4
1-3. Name and Function of Switch/Indicator/etc.
Main Board (DAC-38 Board: Side A)
Switches/gain adjusting VRs (Factory default settings are indicated by a 
\
\
\
\
\
 mark)
No. Ref. No.
Name
Function
8
S3
Setting switch
S3-1
TEST 1
ON: Test mode (Factory use)
\
OFF: Normal mode
S3-2
TEST 2
ON: Test mode (Factory use)
\
OFF: Normal mode
S3-3
AES/EBU 1 DE-EMPHASIS
ON: When the de-emphasis is on for the signals input to the AES/EBU IN 1
connector
\
OFF: When the de-emphasis is off for ones
S3-4
AES/EBU 2 DE-EMPHASIS
ON: When the de-emphasis is on for the signals input to the AES/EBU IN 2
connector
\
OFF: When the de-emphasis is off for ones
4
RV405
CH1 GAIN
Adjusts the audio output level of the each channel within the range between 
_
14 dB
5
RV406
CH2 GAIN
(
_
10 dBm output) and 
+
4 dB (
+
8 dBm output) at 
_
20 dB FS input.
6
RV407
CH3 GAIN
n
7
RV408
CH4 GAIN
At the factory-out, they were adjusted so as to convert a digital audio signal 
_
20 dB
FS into an analog audio signal 
+
4 dBm.
Indicators
No. Ref. No.
Name
Color
Function
1
D3
POWER (
±
12 V)
Green/red
Green: A power of 
±
12 V is normal
Red:
A power of 
±
12 V is abnormal
2
D814
AES/EBU 1 IN
Green/red
Green: When a digital audio signal is input to the AES/EBU IN 1 connector
Red:
When no signal is normally input to the AES/EBU IN 1 connector
(including the case where no signal is input)
3
D815
AES/EBU 2 IN
Green/red
Green: When a digital audio signal is input to the AES/EBU IN 2 connector
Red:
When no signal is normally input to the AES/EBU IN 2 connector
(including the case where no signal is input)
1-3. Name and Function of Switch/Indicator/etc.