Audio Block - Sony SX-M700 Service Manual

3-2-2. Audio Block

SX-M700
The audio block of the SX-M700 has the following basic
functions.
. Receiving the audio signal from chairman and delegate units,
the audio block outputs these signals to the simultaneous
interpreter's unit as the original language ORG signal.
. The ORG signal and the maximum six languages (CH-1 to
CH-6) which are translated by the simultaneous interpreter's
units totaling seven channel audio signals are output to the
chairman and delegate units from the SX-M700.
(See SX-M700 block diagram.)
1. ORG System
The ORG system receives the following signals:
. D/CU 1 MIC IN
. D/CU 2 MIC IN
. D/CU 3 MIC IN
. D/CU 4 MIC IN
. EXT IN 1 MIC/LINE
. EXT IN 2 MIC/LINE
. TELEPHONE COUPLER IN
. Input Audio Signal from Expansion Unit SX-E120
These input signals are passed through the limiter and
mixer, are amplitude-adjusted by the MASTER volume
EXT IN
TEL COUPLER IN
DCU MIC IN (1-4)
EXP. UNIT IN
CONNECT
to IPU
ORG OUT
CH1 IN
CH2 IN
CH3 IN
CH4 IN
CH5 IN
CH6 IN
SX-M700
ORG
B. P. F.
LIMITTER
MIXER
*
B. P. F.
*
B. P. F.
*CH/ORG selector switch
The channels in which a translated language is not turned on are switched
automatically to the ORG signal.
SX-M700 block diagram
control, passed through a band-pass filter then feed the
following nine output terminals:
. D/CU 1
. D/CU 2
. D/CU 3
. D/CU 4
. LINE OUT 1
. LINE OUT 2
. TELEPHONE COUPLER OUT
. PHONES OUT
. ORG Output to Expansion Unit SX-E120
2. IPU System
The IPU system receives the maximum six translated
languages (CH-1 to CH-6) from the interpreter's units
and outputs to the following nine output terminals:
. D/CU 1
. D/CU 2
. D/CU 3
. D/CU 4
. LINE OUT 1
. LINE OUT 2
. TELEPHONE COUPLER OUT
. PHONES OUT
. ORG Output to Expansion Unit SX-E120
The channels in which a translated language is not
turned on are switched automatically to the ORG signal.
MASTER LEVEL
D/CU 1-4 OUT
CONTROL 7
LINE OUT
ORG OUT
TEL COUPLER OUT
PHONES OUT
D/CU1-4 OUT
7
LINE OUT
CH1 OUT
TEL COUPLER OUT
PHONES OUT
CH2 OUT
CH3 OUT
CH4 OUT
CH5 OUT
D/CU1-4 OUT
7
LINE OUT
CH6 OUT
TEL COUPLER OUT
PHONES OUT
3-3(E)