WJ-SX550 - Panasonic Video Monitoring Service Manual Supplement (repair manual). Page 20

Read Panasonic WJ-SX550 Service Manual Supplement online

– 18 –
8
Set the SW4 to the VS side, the LED D6 should be On
and the Data “STX SC 21 ETX” is transmitted to the RS-
232C line.
8
Execute the 299 Instruction from the Personal Computer
or the 299 Instruction by 10-key or press the ACK RESET
key of the WV-CU550, or set the 0F(H) Instruction by the
SW2 and press the SW3 if the Self Check Function is
done with the WJ-SX550 alone for a return to the Idle
mode.
8
The relationship between the numbers and descriptions
are as shown in the Table 7-3-1.
8
The relationship between the reference number of LEDs
and reference number of switches are as shown in the
Fig. 7-3-3.
Fig. 7-3-3
208 All Switches Check without LED display
(Does not automatically recover to Idle
mode)
8
Factory use only.
209  LED Independent Check
8
Enter the Instruction Code 209 by the 10-key or
Instruction Code 09 by the SW2.
8
Press the GO key or press the SW3.
8
The LEDs should be On for 500 msec then sequentially
Off from D4 to D11, and then all LEDs D4 to D11 should
be On for one second.
8
Finally, automatic recover to Idle mode, and the LED D4
will be flashing.
210  VRAM (IC23 and IC24) Data Check
8
Enter the Instruction Code 210 by the 10-key or
Instruction Code 10 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 D11 (OK) or
D10 (NG), and transmit the Data “STX 210 OK ETX” or
“STX 210 NG ETX” to the RS-232C line.
D4
D5
D6 D7
D8 D9 D10 D11
SW3 (Press: On)
TAJ  
 
(Short by jumper: On)
CN11 (1-4) (Short: On ; Open: Off)
CN11 (2-3) (Short: On ; Open: Off)
SW4 (VD: On; VS: Off)
SW4 (VS: On; VD: Off)
211  VRAM Address Check
8
Enter the Instruction Code 211 by the 10-key or
Instruction Code 11 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 D11 (OK) or D10 (NG), and
transmit the Data “STX 211 OK ETX” or “STX 211 NG
ETX” to the RS-232C line.
212  RS-485 Data Line Check
8
Connect the Test Modular Cable between the TEST1
Modular and the TEST2 Modular of the Control Board of
the Matrix Switcher WJ-SX550.
8
Enter the Instruction Code 212 by the 10-key or
Instruction Code 12 by the SW2.
8
Press the GO key or press the SW3.
8
Action performed: Transmit the Data “STX RS485 ETX”
from UART1 and receive this Data by the UART2, trans-
mit the Data “STX RS485 ETX” from UART2 and receive
this Data by the UART1, then check these Data and dis-
played OK or NG on the LCD and transmit the Data “STX
212 OK ETX” or “STX 212 NG ETX” to the RS-232C line.
8
After completing this check, disconnect the Test Modular
Cable.
213  Centronics Interface Check I
8
Connect the Printer to the Printer Port Connector on the
CPU Board of the WJ-SX550.
8
Enter the Instruction Code 213 by the 10-key or
Instruction Code 13 by the SW2.
8
Press the GO key or press the SW3.
8
Confirm the transmitted Data “ABC.....XYZ12....90”, C/R,
L/F by the Printer.
214 Centronics Interface Check II (Does not auto-
matically recover to Idle mode)
8
This item is only operated by the Personal Computer.
8
Connect the Personal Computer to the RS-232C Port
Connector on the CPU Board.
8
Execute the Instruction Code 214.
8
Action performed: Transmit the Data “
∗∗
(H)” to the
Centronics Interface after receiving the Data “STX 
∗∗
ETX” from the Personal Computer.
8
Execute the 299 Instruction from the Personal Computer
or the 299 Instruction by 10-key or press ACK RESET
key of the WV-CU550, or set the 0F(H) Instruction by the
SW2 and press the SW3 if the Self Check Function is
done with the WJ-SX550 alone for a return to the Idle
mode.
Page of 60
Display

Click on the first or last page to see other WJ-SX550 service manuals if exist.