Read Panasonic WJ-SX550 Service Manual Supplement online
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303 RAM Address Check
8
Enter the Instruction Code 303 by the 10-key or
Instruction Code 03 by the SW2.
8
Press the GO key or press the SW3.
8
Action performed: Check by the Marching Method, and
then display OK or NG on the LED D18 (OK) or D17
(NG), and transmit the Data “STX 303 OK ETX” or “STX
303 NG ETX” to the RS-232C line.
304 LEDs Independent Check
8
Enter the Instruction Code 304 by the 10-key or
Instruction Code 04 by the SW2.
8
Press the GO key or press the SW3.
8
The LEDs should be On for 500 msec and then sequen-
tially Off from D1 to D18.
305 DPRAM1 (IC1) Data Check
8
Enter the Instruction Code 305 by the 10-key or
Instruction Code 05 by the SW2.
8
Press the GO key or press the SW3.
8
Action performed: Write the Data 00(H) to FF(H) to the
specific address, and then check these Data after reading
them, then display OK or NG on the LED D18 (OK) or
D17 (NG) on the CPU Board, and transmit the Data “STX
305 OK ETX” or “STX 305 NG ETX” to the RS-232C line.
306 DPRAM2 Data Check
8
Enter the Instruction Code 306 by the 10-key or
Instruction Code 06 by the SW2.
8
Press the GO key or press the SW3.
8
Action performed: Write the Data 00(H) to FF(H) to the
specific address, and then check these Data after reading
them, then display OK or NG on the LED D18 (OK) or
D17 (NG) on the CPU Board, and transmit the Data “STX
306 OK ETX” or “STX 306 NG ETX” to the RS-232C line.
307 RAM Address Check
8
Enter the Instruction Code 307 by the 10-key or
Instruction Code 07 by the SW2.
8
Press the GO key or press the SW3.
8
Action performed: Check by the Marching Method, then
display OK or NG on the LED D18 (OK) or D17 (NG), and
transmit the Data “STX 307 OK ETX” or “STX 307 NG
ETX” to the RS-232C line.
-
Notes:
1) Instruction numbers from 308 to 315 are only operat-
ed by the Personal Computer.
2) Connect the Personal Computer to the RS-232C Port
Connector on the CPU Board.
3) Disconnect the WV-CU550 from the Control Board.
308 RS-485 DATA1 Modular Check on Control
Board
8
Connect the Test Modular Cable between the DATA1
Modular and the TEST2 Modular of the Control Board of
the Matrix Switcher WJ-SX550.
8
Execute the Instruction Code 308.
8
Action performed: Transmit the Data “STX RS485 ETX”
from the DATA1 Modular and receive this Data by the
TEST2 Modular, then transmit the Data “STX OK ETX”
from the TEST2 Modular after receiving by the CPU
Board.
8
Then transmit the Data “STX 308 OK ETX” or “STX 308
NG ETX” to the RS-232C line after confirming that the
Data “STX OK ETX” has been received from the DATA1
Modular.
309 RS-485 DATA2 Modular Check on Control
Board
8
Connect the Test Modular Cable between the DATA2
Modular and the TEST2 Modular of the Control Board of
the Matrix Switcher WJ-SX550.
8
Execute the Instruction Code 309.
8
Action performed: Transmit the Data “STX RS485 ETX”
from the DATA2 Modular and receive this Data by the
TEST2 Modular, then transmit the Data “STX OK ETX”
from the TEST2 Modular after receiving by the CPU
Board.
8
Then transmit the Data “STX 309 OK ETX” or “STX 309
NG ETX” to the RS-232C line after confirming that the
Data “STX OK ETX” has been received from the DATA2
Modular.
310 RS-485 DATA3 Modular Check on Control
Board
8
Connect the Test Modular Cable between the DATA3
Modular and the TEST2 Modular of the Control Board of
the Matrix Switcher WJ-SX550.
8
Execute the Instruction Code 310.
8
Action performed: Transmit the Data “STX RS485 ETX”
from the DATA3 Modular and receive this Data by the
TEST2 Modular, then transmit the Data “STX OK ETX”
from the TEST2 Modular after receiving by the CPU
Board.
8
Then transmit the Data “STX 310 OK ETX” or “STX 310
NG ETX” to the RS-232C line after confirming that the
Data “STX OK ETX” has been received from the DATA3
Modular.
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