Toa TS-770 - 13 Block Diagrams; TS-770 Central Unit; TS-771 Chairman Unit

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13. BLOCK DIAGRAMS
13.1. TS-770 Central Unit
LINE 1
LINE 2
REC OUT
EQUALIZER
EXT IN 1
MIC
AUX
EXT OUT 1
EXT OUT 2
EXT IN 2
EXT CTRL 2
EXT CTRL 1
IN
MIC
AUX
OUT
EQ switch
DIN
Fuse
REG
+24 V+35 V
+35 V
LINE
+
+
-
REC OUT
Number of speakers
Speech duration Test control
Priority control
Test/Microphone indicator
Power indicator
Chime
13.2. TS-771 Chairman Unit
REC/PHONE 1
REC/PHONE 2
CONTROL OUT
DIN
VR
Priority control
DC control
DC control
Priority key Talk key
Test control
Speech duration control
Microphone control
Speaker control
Bias
Microphone
LED control
+35 V
TS-773
or
TS-774