Md-156 Board; Cn-3766 Board; Rom-33 Board - Sony SRG-300SE Service Manual

4-6. CN-3766 Board

The CN-3766 board relays the video and audio signals, sent from the camera of this unit, to an MD-156
board.
The CN-3766 board is connected with FCB using a 40-pin fine-wire coaxial cable. Similarly, it is con-
nected with an MD-156 board using a 30-pin fine-wire coaxial cable.

4-7. ROM-33 Board

The ROM-33 board is contained in a stepping motor assembly.
The ROM-33 board is wound around a motor harness for fixation using a tape, and peculiar ID numbers
are added to each stepping motor.
The ROM-33 board is connected with the microcomputer on an MD-156 board using a serial communica-
tion line and used to confirm the ID numbers of a pan motor and tilt motor.
4-2 (E)
SRG-300SE/301SE