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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

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

RV101

CH1 GAIN

Adjusts the audio output level of the each channel within the range between 

_

14 dB

5

RV201

CH2 GAIN

(

_

10 dBm output) and 

+

4 dB (

+

8 dBm output) at 

_

20 dB FS input.

6

RV301

CH3 GAIN

n

7

RV401

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)

Содержание BKPF-L752

Страница 1: ...ur von qualifiziertem Fachpersonal ausgeführt werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes ...

Страница 2: ......

Страница 3: ... 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 2 _ G _ G _ G _ G 1 2 3 4 L752 1 2 AUDIO OUT AES EBU IN 1 Print on panel Matching connector Recommendable cable AES EBU IN BNC 75 Z 1 569 370 12 ...

Страница 4: ...V101 CH1 GAIN Adjusts the audio output level of the each channel within the range between _14 dB 5 RV201 CH2 GAIN _10 dBm output and 4 dB 8 dBm output at _20 dB FS input 6 RV301 CH3 GAIN n 7 RV401 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...

Страница 5: ... Maximum output level 24 dBm at 0 dB FS input Output level range _10 dBm to 8 dBm continuously variable at _20 dB FS input Output impedance approx 22 Z Conversion characteristics Sampling frequency 48 kHz Digitization 24 bits 1 bit Delta Sigma conversion Headroom 20 dB Standard level 4 dBm De emphasis Manually ON OFF selectable Time constant 50 us 15 us Channel coding AES EBU format Frequency resp...

Страница 6: ... de Sony Corporation et sont destinées exclusivement à l usage des acquéreurs de l équipement décrit dans ce manuel Sony Corporation interdit formellement la copie de quelque partie que ce soit de ce manuel ou son emploi pour tout autre but que des opérations ou entretiens de l équipement à moins d une permission écrite de Sony Corporation Das in dieser Anleitung enthaltene Material besteht aus In...

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