Brc-300/300P - Sony BRC-300 Service Manual

1-6-2. BRC-300/300P

Firmware has not been written in the SY-314 mounted
circuit board or the MPU (IC1019/SY-314 board) specified
as a service part.
After replacing the SY-314 board or the MPU (IC1019/
SY-314 board), write the firmware.
Tools/Equipment
. PC (personal computer)
PC with the firmware writing program installed
(Refer to Section 1-6-1.)
. Color monitor
. VISCA RS-232C cable: 1-590-879-31
n
Supplied with the BRU-300/300P or RM-BR300.
. Extension board EX-947
n
The firmware can be written without the extension
board.
. Firmware file: "cyclone.mot"
n
To get the firmware, contact your local Sony Sales
Office/Service Center.
Connection Diagram
VIDEO
BRC-300
OUT
VISCA
RS-232C
IN
Card slot
CN001
EX-947
BRC-300/300P
BRU-300/300P
Color monitor
75 Z
IN
RS-232C
PC
VISCA RS-232C cable
Writing Procedure
1. Remove the blank panel or the optional board.
(Refer to Section 1-3-5.)
2. Connect the equipment and tools, referring to Connec-
tion Diagram.
3. Set the switch S003 on the EX-947 board to WRITE.
When the EX-947 board is not connected, remove the
base plate, and set the switch S1003-1 on the SY-314
board to ON. (Refer to Section 1-3-4.)
4. Turn on the power of all the equipment.
5. Perform the following steps 1 to 12 to write the
firmware.
(1) Copy the firmware (cyclone.mot) into the PC.
(2) Start the firmware writing program.
The warning window appears.
(3) Click [OK] button on the warning window to
display the Welcome! window.
(4) Check the checkbox for "Open a recent project
workspace:", and then select "Cyclone".
(5) Click [OK] button.
EX-947
board
S003
S001
S003
1-11