Panasonic WJ-SX550 Service Manual / Supplement ▷ View online
– 3 –
5. Disassembling Procedure for
Self Check
8
Referring to Fig. 5-1, remove the four screws that secure
the Front Panel and remove the Front Panel.
Fig. 5-1
8
Referring to Fig. 5-2, loosen the two screws that secure
the CPU Board, Control Board, Alarm Board, Video Input
Board and Video Output Board.
Fig. 5-2
Ma
trix
S
witc
her W
J-S
X
OPERATE
Remove four screws.
Loosen two screws.
– 4 –
6. System Controller WV-CU550
6.1. Check Menu
Check
No.
No.
100
101
102
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
199
k
k
k
k
k
X
k
k
k
k
k
k
k
k
k
k
k
k
k
k
X
WV-CU550
WV-CU550
WV-CU550
WV-CU550
WV-CU550
Original Setting at Factory
ROM Check
S-RAM Data Check
EEPROM/NMI Check Preparation
EEPROM/NMI Check
Switch Check
WV-CU550
All LEDs Check
WV-CU550
BUSY LED ON Check
WV-CU550
BUSY LED OFF Check
WV-CU550
ALARM LED ON Check
WV-CU550
ALARM LED OFF Check
WV-CU550
ACK RESET LED ON Check
ACK RESET LED OFF Check
BACK SEQ LED ON Check
BACK SEQ LED OFF Check
FORWARD SEQ LED ON Check
FORWARD SEQ LED OFF Check
WV-CU550
WV-CU550
WV-CU550
WV-CU550
WV-CU550
WV-CU550
LCD Data Line Check
WV-CU550
LCD Missing Dot Check
WV-CU550
RS-485 Loop Back Check
WV-CU550
RS-485 Data Continuous Transmit
WV-CU550
Forced Release (Return to Idle)
WV-CU550
Remarks (Condition)
Auto-
Recover
Check Item
Operation
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
Factory use only
– 5 –
6.2. Flow Chart
Start
Turn off the Power Switch
Press MON and 1 switches
simultaneously, and Power
Switch to ON; MON and 1
switches are pressed until
displayed as shown on right on
the LCD.
simultaneously, and Power
Switch to ON; MON and 1
switches are pressed until
displayed as shown on right on
the LCD.
Enter the Check No. 1XX or
xx by 10-key.
xx by 10-key.
Press GO key
Execute the Check No. 1XX:
During execute, display as
shown on right on the LCD.
During execute, display as
shown on right on the LCD.
Return to Idle?
YES
NO
Finish?
Turn off the Power Switch
End
YES
∗ ∗ ∗ ∗ ∗ ∗
S
e
l
f C
h
e
c
k
C
h
e
c
k No.
0
0
0 I
D
L
E
SW Description etc.
C
h
e
c
k No.
1
X
X E
X
E
Press ACK RESET key
Enter to Idle mode, message
displayed as shown on right on
the LCD.
displayed as shown on right on
the LCD.
C
h
e
c
k No.
1XX I
D
L
E
After completion of the Check,
message displayed as shown
on right on the LCD.
message displayed as shown
on right on the LCD.
End
No. 1
X
X O
K
C
h
e
c
k No.
1
X
X I
D
L
E
Next Check?
NO
YES
Next Check?
NO
YES
NO
Note: It is possible to change from the Normal Operation Mode to the
Self Check mode or from the Self Check Mode to the Normal
Operation Mode when control is by the RS-485 line.
– 6 –
6.3. Self Check Procedure
8
Turn Off the Power Switch of the System Controller WV-
CU550.
8
While pressing the MON and 1 Switches simultaneously,
turn On the Power Switch of WV-CU550.
100 Original Setting at Factory
8
Enter the Instruction Code 100 (or 00) by the 10-key of
the WV-CU550.
8
Press the GO key, set the original data as set at the
Factory is recalled.
101 ROM Check
8
Enter the Instruction Code 101 (or 01) by the 10-key.
8
Press the GO key.
8
Action performed: Calculate the Check Sum of the ROM
IC, then display that value on the LCD of the WV-CU550,
and transmit the Data “STX XXXX ETX” to the RS-485
line (DATA OUT Connector of the WV-CU550).
Note: The XXXX is the calculated result Data of the
Check Sum Value.
102 S-RAM Data Check
8
Enter the Instruction Code 102 (or 02) by the 10-key.
8
Press the GO key.
8
Action performed: Write the Data 00(H) to FF(H) to the
specific address, and check these Data after read then
displayed OK or NG on the LCD, and transmit the Data
“STX 102 OK ETX” or “STX 102 NG ETX” to the RS-485
line.
104 EEPROM/NMI Check Preparation (for next
step)
8
Enter the Instruction Code 104 (or 04) by the 10-key.
8
Press the GO key.
8
Turn Off the Power Switch of the WV-CU550, specified
flag should be On after receiving the NMI (Power Off
Acknowledge Interrupt) signal.
105 EEPROM/NMI Check
8
Press the MON and 1 Switches simultaneously, and turn
On the Power Switch of WV-CU550.
8
Enter the Instruction Code 105 (or 05) by the 10-key.
8
Press the GO key.
8
Action performed: Check the interrupt flag, and reset this
signal by the software.
8
Display OK or NG on the LCD and transmit the Data
“STX 105 OK ETX” or “STX 105 NG ETX” to the RS-485
line.
Note: Only available for the first 105 Instruction, next 105
Instruction displayed NG on the LCD and transmit the
Data “STX 105 NG ETX” to the RS-485 line because the
interrupt flag has been reset.
106 Switch Check (Does not automatically recov-
er to Idle mode)
8
Enter the Instruction Code 106 (or 06) by the 10-key.
8
Press the GO key.
8
Press the ACK RESET key, the message “ACK RESET”
should be shown on the LCD and the Data “STX SK 00
ETX” is transmitted to the RS-485 line.
Note: If the Self Check Function is done with the WV-
CU550 alone, return to the Idle mode is done when press
the ACK RESET key.
8
Press the BACK SEQ key, the message “BACK SEQ”
should be shown on the LCD and the Data “STX SK 01
ETX” is transmitted to the RS-485 line.
8
Press the FORWARD SEQ key, the message “FOR-
WARD SEQ” should be shown on the LCD and the Data
“STX SK 02 ETX” is transmitted to the RS-485 line.
8
Press the GO key, the message “GO” should be shown
on the LCD and the Data “STX SK 03 ETX” is transmitted
to the RS-485 line.
8
Press the AUX 1 key, the message “AUX 1” should be
shown on the LCD and the Data “STX SK 04 ETX” is
transmitted to the RS-485 line.
8
Press the AUX 2 key, the message “AUX 2” should be
shown on the LCD and the Data “STX SK 05 ETX” is
transmitted to the RS-485 line.
8
Press the DEC –1 CAM key, the message “DEC –1 CAM”
should be shown on the LCD and the Data “STX SK 06
ETX” is transmitted to the RS-485 line.
8
Press the INC +1 CAM key, the message “INC +1 CAM”
should be shown on the LCD and the Data “STX SK 07
ETX” is transmitted to the RS-485 line.
8
Press the STOP CAM key, the message “STOP” should
be shown on the LCD and the Data “STX SK 08 ETX” is
transmitted to the RS-485 line.
8
Press the 1 of 10-key, the message “NUM KEY 1” should
be shown on the LCD and the Data “STX SK 09 ETX” is
transmitted to the RS-485 line.
8
Press the 2 of 10-key, the message “NUM KEY 2” should
be shown on the LCD and the Data “STX SK 10 ETX” is
transmitted to the RS-485 line.
8
Press the 3 of 10-key, the message “NUM KEY 3” should
be shown on the LCD and the Data “STX SK 11 ETX” is
transmitted to the RS-485 line.
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