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Internal Parts and Internal Boards

Note

To reduce the risk of electric shock, fire or injury, do not

open the cabinet. To adjust the internal settings or to

replace the fuses, refer to qualified service personnel.

CABLE

ALARM

d Fuses

Internal parts

a Headset microphone switch 1 (S52)

Set the switch according to the type of microphone of the

headset connected to the INTERCOM/TALLY/PGM

connector on the rear panel of this unit.

CARBON: Carbon microphone (power supply, 20 dB

gain)

ECM: Electret condenser microphone (power supply, 40

dB gain)

DYNAMIC: Dynamic microphone (no power supply, 60

dB gain) (factory-setting)

b INCOM (intercom) selector

Selects the pathway of intercom signals output/input

through the INCOM/TALLY/PGM connector.

PROD: Producer line.

PRIV: Producer line and engineer line are cut off and

communication is possible only between the CCU-

790/790P and the camera connected to the rear panel

of the CCU-790/790P.

ENG: Engineer line. The settings regarding the output

intercom signals can be performed on the internal AU

board. For details, consult your Sony service

personnel.

a Headset microphone switch 1 (S52)

b INCOM selector

c Headset microphone switch 2 (S53)

MIC

OFF

SHORT

OPEN

PGM

MAIN

CAMERA

INTERCOM

POWER

The following parts and boards are located inside the unit,

behind the front panel.

Internal boards

c Headset microphone switch 2 (S53)

When the headset microphone switch 1 (S52) is set to

DYNAMIC, set this switch according to the type of output

of the headset microphone.

GND: Unbalanced type (factory-setting)

OPEN: Balanced type

d Fuses

When the fuses need to be replaced, consult your Sony

service personnel.

Internal boards

For details on the internal boards, consult your Sony

service personnel.

Internal Parts and Internal Boards