Panasonic GP-MF622E / GP-MF130E Service Manual ▷ View online
– 6 –
(4) Pedestal Adjustment
Test Point : Pin 4 of CN1 (VIDEO OUT)
Rear section of the Main Board
Adjust :
VR3(PEDESTAL CONTROL)
Rear section of the Main Board
•
Mount the Cap on the Lens.
•
Connect the Oscilloscoper to Pin 4 of CN1.
•
Trigger the Oscilloscope at H-rate.
•
Adjust VR3 so that the Pedstal signal level becomes 50 ±
10mV as shown in Fig. 5-3.
•
Remove the Cap from the Lens.
(5) Video Gain Adjustment
Test Point : Pin 4 of CN1 (VIDEO OUT)
Rear section of the Main Board
Adjust :
VR4(VIDEO GAIN)
Process section of the Main Board
•
Mount the Zoom Iris Lens on the Lens.
•
Aim the Camera at Logarithmic Gray Scale Chart.
•
Set the Lighting and Lens Iris at 2,000 lux and F16.
•
Connect the Oscilloscoper to Pin 4 of CN1.
•
Trigger the Oscilloscope at H-rate.
•
Turn VR5 (MANUAL GAIN CONTROL) on the Rear
Section of the Main Board fully counterclockwise.
•
Adjust VR4 so that the Video signal level becomes 700 ±
30 mVp-p as shown in Fig. 5-4.
Fig. 5-4
•
Mount the ND2 Filter on the Lens.
•
Turn VR5 (MANUAL GAIN CONTROL) on the Rear
Section of the Main Board fully clockwise.
50
±
10 mVp-p
Fig. 5-3
•
Confirm that the Video signal level becomes more than
700 mV) as shown in Fig. 5-4.
•
Return VR5 from fully clockwise to fully counter-
clockwise.
(6) V
SUB
Fine Adjustment
Test Point : Pin 4 of CN1 (VIDEO OUT)
Rear section of the Main Board
Adjust :
VR1(V
SUB
)
TG/SG section of the Main Board
•
Aim the Camera at the 40-watt Lamp placed in the dark
background.
•
Set the Lens Iris at F1.4.
•
If the blooming and noise appear on the Video Monitor as
shown in Fig. 5-6 (No Good), readjust VR1.
Note :
•
VR1 should be adjusted to the point where the blooming
just disappears and minimize the smear as shown in Fig.
5-6.(Good)
•
Do not adjust VR1 more than the point.
•
If readjust VR1, must be readjusted from the adjustment
steps (4) through (5).
Fig. 5-6
(7) PLL VCO Adjustment
Test Point : TP2 (VCO)
TG/SG section of the Main Board
Adjust :
L1(VCO) TG/SG section of the Main Board
•
Supply the Black Burst or Composite Video signal to the
Camera Connector on the Rear Panel of the Camera.
•
Connect the Digital Voltmeter to TP2.
•
Adjust L1 to obtain 2.5 ± 0.2 V.
No Good
Good
LOCATION OF TEST POINT AND ADJUSTING CONTROLS
[CCD section]
[Process section]
[TG/SG section]
[Power section]
[Rear section]
(Component side)
(Pattern side)
(Component side)
(Pattern side)
(Pattern side)
(Pattern side)
4
VR4
VIDEO
GAIN
VIDEO
GAIN
L1
VCO
VCO
TP2
(VCO)
(VCO)
VR1
V
V
SUB
VR2
RESET
BIAS
RESET
BIAS
6
1
2
3
4
5
6
1
2
3
4
5
OFF
ON
OFF
ON
SW1
SW1
SW1
TP3
(V
(V
SUB
)
TP4
(RESET
PULSE)
(RESET
PULSE)
C67
+
(+5.0V)
VR6
+5.1V
ADJ
+5.1V
ADJ
VR3 VR5
CN1
CN2
SW1
VIDEO
12P
VR3
PEDESTAL
CONTROL
PEDESTAL
CONTROL
VR5
MANUAL
GAIN
CONTROL
MANUAL
GAIN
CONTROL
CN1
CAMERA
CONNECTOR
CAMERA
CONNECTOR
CN2
VIDEO
OUTPUT
CONNECTOR
VIDEO
OUTPUT
CONNECTOR
700
±
30 mVp-p
300
±
30 mVp-p
– 7 –
<Index>
MAIN BOARD
IC2
C2
IC3
B3
IC4
B5
IC6
D5
IC8
D6
IC9
C4
Q1
A1
Q2
B4
Q3
C7
Q5
C7
Q6
D4
Q7
D5
Q9
D3
Q10
A5
Q11
A5
Q13
D6
D1
C3
D2
C3
D3
B2
D6
A4
D8
D4
D10
D6
D12
D4
D13
D4
D14
D4
D15
D6
D17
D7
[CCD SECTION]
[TG/SG SECTION]
[POWER SECTION]
[PROCESS SECTION]
[REAR SECTION]
IC1(IC101) is supplied as
Head Optical Ass'y only (M5).
Head Optical Ass'y only (M5).
Note: The value indicated in the schematic diagram should be read as follows:
□ □ □
Multiplier (0 – 5)
2nd Significant Digit (0 – 9)
1st Significant Digit (0 – 9)
<Example>
For Resistor:
330
➔
33 x 10
0
= 33
Ω
561
➔
56 x 10
1
=560
Ω
123
➔
12 x 10
3
=12k
Ω
0R00=0
Ω
For Capacitor
820
➔
82 x 10
0
= 82PF
102
➔
10 x 10
2
= 1,000PF = 0.001
µ
F
104
➔
10 x 10
4
= 100,000PF = 0.1
µ
F
The suffix attached to capacitance indicates
a type of capacitor.
SCHEMATIC DIAGRAM OF MAIN BOARD
R91
R93
C65
R92
C62
R87
C85
D17
C68
C67
L6
R94
C64
Q12
C53
L7
IC8
VR6
R88
C52
SF1
D10
CN1
VR5
VR3
CN2
R39
C86
R129
R35
R33
Q2
D6
C24
IC9
C12
R23
R37
R38
D7
C21
C23
C22
C22
R32
R26
IC3
C7
C9
C8
D3
R10
R12
D5
C20
R14
R79
R80
R80
C38
R132
C39
R131
R130
R104
R41
C46
R134
C43
R36
R27
R27
C19
R34
R34
R118
R25
Q4
R29
R28
C18
R20
C15
C42
C55
C57
R1
17
C58
R78
R77
C48
IC101
IC1
R60
L2
R69
IC4
R70
Q11
C11
R40
Q10
L3
C54
R18
C13
SW1
SW2
R17
R57
C17
R59
R22
R58
C16
C14
VR4
IC2
TP2
TD3
C44
L5
C83
R115
C4
R8
R9
C6
TD2
C81
C10
VR1
VR2
R119
X1
D1
C26
C27
C61
L1
C84
R30
R1
16
C5
R125
C82
R124
R15
R13
R31
R7
D2
R102
Q6
C79
R103
R90
R89
R89
C63
R76
C32
C35
TD10
TD12
TD13
TD11
D15
C36
C34
D8
C30
C33
C29
D14
R42
R123
R49
TD14
C31
R73
R75
Q7
D12
D13
Q13
IC6
R120
Q9
R74
R121
R55
R24
R16
R19
R21
R53
C25
R51
R48
TD6
TD5
TD9
C45
C59
TD4
TD8
R126
Q3
TD7
R54
R52
R50
Q5
R43
R71
R47
R45
R46
R72
D18
R128
Q1
R127
C3
R5
C1
R2
R1
C2
R3
R4
TP1
C56
C80
TD1
R133
R6
TP3
TP4
MAIN BOARD
(PATTERN SIDE VIEW)
1
2
A
3
4
5
B
C
D
(COMPONENT SIDE VIEW)
6
7
[TG/SG Section]
[PROCESS Section]
[REAR Section]
[CCD Section]
[POWER Section]
[PROCESS Section]
[TG/SG Section]
[REAR Section]
[CCD Section]
[POWER Section]
CONDUCTOR VIEW OF MAIN BOARD
– 8 –
<Index>
MAIN BOARD
IC2
C2
IC3
C6
IC4
C1
IC6
B4
IC8
C5
IC9
C6
Q1
A2
Q2
C6
Q3
D3
Q5
D3
Q6
C3
Q7
C4
Q9
C3
Q10
C1
Q11
C1
Q13
B3
D1
C2
D2
C2
D3
B6
D6
C6
D8
C4
D10
C4
D12
C4
D13
C3
D14
C3
D15
B4
D17
C5
PACKAGING
1
4
3
3
3
4
4
3
2
2
2
2
M1
M2
M3
M4
M5
M13
M15
M11
M10
M7
M12
M6
M8
Serial No. Label
M19
M18
M9
PCB1
CN1
CN2
M31,32,33
M35
M35
GP-MF130E
GP-MF622E
GP-MF622E
Numbers show Screws and Washers
No.
Screws
Description
1
XSS2+4FXK
Flush Head Machine Screw
2
XYN2+J4FX
Pan Head Screw and Washer Assy
3
XQN2+B4FXK
Pan Head Screw for Precision Equipment
4
XSS2+3FXK
Flush Head Machine Screw
– 9 –
EXPLODED VIEW
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