Circuit Description; Circuit Description Of Each Board; Board; Cn-4052 Board - Sony HDCU3500 Service Manual

6-1.

Circuit Description of Each Board

6-1-1. AT-195 Board
The AT-195 board consists of a system control microcomputer (IC001) and a peripheral circuit.
The main program is stored in the flash memory (IC401) on the AT-195 board.
This board is connected to the SY-467 board.
6-1-2.

CN-4052 Board

The CN-4052 board contains the LAN-COM connector and the NETWORK TRUNK connector on the rear panel.
6-1-3.

CN-4053 Board

The CN-4053 board contains the AUDIO OUT connector on the rear panel.
6-1-4.

CN-4054 Board

The CN-4054 board contains the TRUNK connector on the rear panel.
6-1-5.

CN-4055 Board

The CN-4055 board contains the CHARACTER / AES/EBU connector and the RCP/CNU connector on the rear panel.
6-1-6.

CN-4056 Board

The CN-4056 board contains the INTERCOM connector on the front panel.
6-1-7.

CN-4057 Board

The CN-4057 board contains the INTERCOM/TALLY/IO PORT connector (D-Sub 50 pins) on the rear panel.
6-1-8. FP-305 Board
The FP-305 board contains switches for setting menus, a USB connector, and an audio circuit for intercom on the front
panel.
6-1-9. HIF-76 Board
The HIF-76 board contains the SLOT1 OUT 1-4 output connector (BNC type), SDI RET 1-4 input connector (BNC
type), SDI I/O 1-4 input/output connector (BNC type), REFARENCE IN/OUT connector (BNC type), and Prompter
1-2 input connector (BNC type) on the rear panel.
HDCU3500/HDCU5500
Section 6

Circuit Description

6-1