Panasonic GP-MF622E / GP-MF130E Service Manual ▷ View online
– 2 –
12P
VIDEO
130
ON
OFF
1
6
1
B
C
D
ON
OFF
1
6
6
7
8
9
0
A
3
4
2
5
1. 1/3” Manual Iris Lens (Sold Separately)
2. Camera Connector (12-pin)
This is connected with the optional Camera Cable GP-CA34 ,
GP-CA33, GP-CA59 or GP-CA60.
GP-CA33, GP-CA59 or GP-CA60.
Pin No.
Description
1
Ground
2
+12V IN
3
Ground for Video Out
4
Video Out
5
Ground for HD
6
HD IN
7
VD IN
8
Ground
9
No connection
10
No connection
11
No connection
12
Ground for VD
3. Pedestal Control
This controls the pedestal level from 0 mV to 100 mV.
4. Manual Gain Control
This controls the gain level from 0 to 6 dB.
5. Video Output Connector
This connector is used to connect with the VIDEO IN connector
of the monitor.
of the monitor.
6. Switch 1 No.1 (1/ON) 1
ON
This switch selects the Field or Frame Accumulation.
ON : Field Accumulation
OFF: Frame Accumulation
ON : Field Accumulation
OFF: Frame Accumulation
7. Switch 1 No.2 (2/ON) 2
ON
8. Switch 1 No.3 (3/ON) 3
ON
9. Switch 1 No.4 (4/ON) 4
ON
10. Switch 1 No.5 (5/ON) 5
ON
These switches (Switch 1 No. 2, 3, 4, and 5) are used to set the
shutter speed.
shutter speed.
1
9
2 10 8
3 11
7
12
4
5
6
CAUTION: CONNECT
THIS TO A DC 12V
CLASS 2 POWER
SUPPLY ONLY.
CLASS 2 POWER
SUPPLY ONLY.
Switch 1
The shutter speed can be set as below:
11. Switch 1 No.6 (6/ON) 6
ON
This switch is not available for this model.
12. Switch 2 No.1 (1/ON) 1
ON
Switch 2 No.2 (2/ON) 2
ON
Switch 2 No.3 (3/ON) 3
ON
Switch 2 No.4 (4/ON) 4
ON
These switches are not available for this model. Keep these
switches at OFF position.
switches at OFF position.
13. Switch 2 No.5 (5/ON) 5
ON
This switch turns on or off the termination for HD signal with 75
Ω
.
14. Switch 2 No.6 (6/ON) 6
ON
This switch turns on or off the termination for VD signal with 75
Ω
.
Not Specified
Shutter Speed
No. 2 No. 3 No. 4 No. 5
OFF OFF OFF OFF
ON
OFF OFF OFF
OFF
ON
OFF OFF
ON
ON
OFF OFF
OFF OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
OFF
OFF OFF OFF
ON
ON
OFF OFF
ON
OFF
ON
OFF
ON
Other Combinations
Normal
1/120
1/500
1/1 000
1/2 000
1/4 000
1/8 000
1/16 000
1/32 000
1/64 000
1/96 000
GP-MF130E
– 3 –
1. Test Equipment Required
The following test equipments are required for adjustment
of the Machine Vision Camera GP-MF622 and Machine
Vision B/W CCD Camera GP-MF130.
•
Oscilloscope
•
Digital Voltmeter
•
Underscanned Black and White Video Monitor
•
Signal Generator (Black Burst or Composite Video signal)
•
12V DC Power Supply Unit
•
Lighting (1,050 ± 50nt (2750 ± 150lux))
•
40-watt Lamp
•
Lux Meter
•
Manual Iris Lens (such as Fujinon HF16A)
•
Zoom Iris Lens (such as Fujinon FZ77A or equivalent)
•
ND2 Filter
•
Logarithmic Gray Scale chart
(Part Number : YWV2310RB99)
•
CAMERA CABLE (SUCH AS GP-CA34)
2. Disassembling Procedure for
Adjustment
8
Referring to Fig. 2-1, remove one screw that secure the
Volume Cover, and remove the Volume Cover.
Fig. 2-1
•
Referring to Fig. 2-2, remove one screw that secure the
Switch Cover, and remove the Switch Cover.
Fig. 2-2
ADJUSTMENT PROCEDURE
•
Referring to Fig. 2-3, remove four screws that secure the
Upper Cover, and remove the Upper Cover.
Fig. 2-3
•
Referring to Fig. 2-4, remove three screws that secure the
Front and Rear Escutcheon Units, and remove the Front
and Rear Escutcheon Units.
Fig. 2-4
•
Referring to Fig. 2-5, remove the Guide from the Main
Board.
•
Referring to Fig. 2-5, remove two screws that secure the
Main Board, and remove the Main Board in the direction
of the arrow from the chassis.
Fig. 2-5
12P
VIDEO
Remove one screw
Volume Cover
Remove one screw
Switch Cover
Remove four screws
Upper Cover
Remove three screw
Guide
Main Board
Remove two screw
Chassis
– 4 –
3. CCD Image Sensor Replacement
Procedure
•
Disassemble the Camera while referring to the item 2.
Disassembling Procedure for Adjustment.
•
Referring to Fig. 3-1, remove two screws that secure the
CCD Section of the Main Board, and remove the CCD
Section of the Main Board from the Front Escutchen Unit.
Fig. 3-1
4. Connection and Setting Up for
Adjustment
4.1. Connection
•
The Fig. 4-1 shows the Connecting Diagram for the
Adjustment Procedure.
Adjustment Procedure.
Fig. 4-1
•
Connect the Underscanned Black and White Video
Monitor to the Camera Connector on the Rear Panel of
the camera using the Camera Cable GP-CA34 and
Coaxial Cable.
•
Connect the Camera Cable GP-CA34 to the 12V DC
Power Supply Unit and Signal Generator.
•
Connect the probe of Oscilloscope at desired Test Point
in each adjustment step.
4.2. Inital Position of the Switches and
Controls for Adjustment
•
An Initial setting of the Switches on the Left side of the
Camera and Controls on the Rear Panel of the Camera
for this adjustment procedure are as follows.
Switch 1 No.1 (SW1)
........................................
OFF
No.2 (SW1)
........................................
OFF
No.3 (SW1)
........................................
OFF
No.4 (SW1)
........................................
OFF
No.5 (SW1)
........................................
OFF
No.6 (SW1)
........................................
OFF
Switch 2 No.1 (SW2)
........................................
OFF
No.2 (SW2)
........................................
OFF
No.3 (SW2)
........................................
OFF
No.4 (SW2)
........................................
OFF
No.5 (SW2)
........................................
ON
No.6 (SW2)
........................................
ON
Manual Gain Control (VR5)
................................
counterclockwise position (0dB)
Pedestal Control (VR3)
.........................
No Specified
•
The adjustments should be done with this initial setting,
unless otherwise specified.
(Rear View)
Front Esctcheon unit
CCD
Image
Sensor
Image
Sensor
Remove two screw
CCD Section of
the Main Board
the Main Board
Signal Generator
12V DC Power Supply
Coaxial
Cable
Cable
Camera
Cable
GP-CA34
Cable
GP-CA34
Test Chart
Lcm
Underscanned
Black and White
Video Monitor
75
Ω
Camera
– 5 –
4.3. Setting Up for Standard Picture
•
The adjustment should be done after 10 minutes warm
up.
•
Set the Logarithmic Gray Scale Chart.
•
Mount the Iris Lens (HF16A) on the Camera.
•
Incident light of 2,750 ± 150 lux on the Logarithmic Gray
Scale Chart.
•
Aim the Camera at the Logarithmic Gray Scale Chart.
•
Set the Camera so that the Logarithmic Gray Scale Chart
becomes full picture on the Underscanned Black and
White Video Monitor.
•
Adjust the Lens Iris to obtain correct focal point.
5. Adjustment Procedure
•
Refer to the Location of the Test Points and Adjusting
Controls on page 6.
(1) +5.0V Adjustment
Test Point : +Polarity of C67
Power section of the Main Board
Adjust :
VR6 (+5.1V ADJ)
Power sction of the Main Board
•
Connect the Digital Voltmeter to + Polarity of C67.
•
Adjust VR6 to obtain 5.1 ± 0.05V DC.
(2) Reset Bias Adjustment
Test Point : TP4 (RESET PULSE)
CCD section of the Main Board
Adjust :
VR2 (RESET BIAS)
TG/SG section of the Main Board
•
Connect the Oscilloscope to TP4.
•
FOR GP-MF622E, adjust VR2 to obtain indicated Voltage
(Rank) ± 0.1V on the CCD section of the Main Board as
shown in Table 5-1 and Fig. 5-1.
Rank
1
2
3
4
5
6
7
Voltage
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Reset Bias
Ground
Fig. 5-1
•
FOR GP-MF130E, adjust VR2 to obtain 0.75 ± 0.1V as
Reset Bias
(0.75
(0.75
±
0.1V)
Ground
Fig. 5-2
(3) Vsub Coarse Adjustment
Test Point : TP3 (V
SUB
) CCD section of the Main Board
Adjust :
VR1 (V
SUB
)
TG/SG section of the Main Board
8
Connect the Digital Voltmeter to TP3.
8
FOR GP-MF622E, adjust VR1 to obtain indicated Voltage
(Rank) ± 0.1V on the CCD section of the Main Board as
shown in Table 5-2.
8
FOR GP-MF130E, adjust VR1 to obtain indicated Voltage
(Rank) ± 0.1V on the CCD section of the Main Board as
shown in Table 5-3.
1st Rank 2nd Rank
Example : 95
➝
9.5V
E3
➝
14.3V
Rank
E
f
G
h
J
K
L
m
N
P
Voltage 9.0
9.5 10.0 10.5 11.0 11.5 12.0 12.5 13.0 13.5
Rank
Q
R
S
T
U
V
W
X
Y
Z
Voltage 14.0 14.5 15.0 15.5 16.0 16.5 17.0 17.5 18.0 18.5
Table 5-2
1st Rank
3
4
5
6
7
8
9
A
B
C
Voltage
3.0
4.0
5.0
6.0
7.0
8.0
9.0 10.0 11.0 12.0
1st Rank
D
E
F
G
H
I
J
K
L
Voltage 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 210
2nd Rank
0
1
2
3
4
5
6
7
8
9
Voltage
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Table 5-3
Table 5-1
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