Sony CA-755, Maintenance Manual

Page: 13 / 132

1-3 (E)
CA-755/755P
(EXTERNAL VIEW)
RET CONT
Pin No. Signal Specifications
1 INCOM 1 Zi
>
10 k Z
TALK ON IN ON : GND
(RET) OFF : OPEN
2 AUX1 NC
MIC ON/OFF IN
3 GND
4 RET 3 ON IN Zi
>
10 k Z
ON : GND
OFF : OPEN
5 RET 1 ON IN Zi
>
10 k
Z
ON : GND
OFF : OPEN
6 RET 2 ON IN Zi
>
10 k Z
ON : GND
OFF : OPEN
DC IN
Pin No. Signal Specifications
1 GND GND for DC ( + )
2 (SPARE)
3 (SPARE)
4 DC ( + ) IN DC 11.5 to 17.0 V
(EXTERNAL VIEW)
(EXTERNAL VIEW)
1-2. Connectors
1-2. Connectors
1-2-1. Connection Connectors
Connection made with the connector panels during instal-
lation or service, should be made with the connectors/
complete cable assemblies specified in the following list,
or equivalent parts.
Indication Connector Connection connector
RET OUT BNC BNC 1-560-069-11
BNC cable
B-B Cable Assembly
(1.5m)
INCOM/PGM XLR 5P, FEMALE XLR 5P, MALE
1-508-370-11
DC IN XLR 4P, with SW, XLR 4P, FEMALE
MALE 1-508-362-00
RET CONT 6P, FEMALE PLUG, 6P, MALE
1-566-365-11
1-2-2. Connector Input/Output Signals
RET OUT
VBS 1.0 V p-p, 75
Z
, Unbalanced
INCOM/PGM
Pin No. Signal Specifications
1 TALK IN (Y) _ 20 dBu (CARBON) /
2 TALK IN (X) _ 60 dBu(DYNAMIC)
3 GND
4 INCOM OUT (X) 1.7 V p-p MAX (1 kHz),
300
Z
, Unbalanced
5 PGM OUT (X) 1.7 V p-p MAX (1 kHz),
300
Z , Unbalanced
(0 dBu = 0.775 V )