Read Panasonic WJ-SX155 Service Manual Simplified online
– 2-6 –
Table 4-1
(9). Input Level Adjustment (Rec Output)
Test Point:
External Output Connector
Rear Panel
Adjust:
VR500 (REC Y-1)
Multiplexer Board
VR501 (REC C-1)
Multiplexer Board
VR600 (REC Y-2)
Multiplexer Board
VR601 (REC C-2)
Multiplexer Board
8
Connect the Underscanned Colour Video Monitor through
the Vectorscope to the External Output Connector on the
rear panel.
8
Connect the terminated Oscilloscope with 75
Ω
to the
External Output Connector on the rear panel.
8
Supply the Ramp signal to the Camera Input Connector 1
on the rear panel.
8
Select "Y Pedestal RECA" in the select box on the SX150
Test Tool window as shown in Fig. 4-12
Q
.
Fig. 4-12
8
Change the data with the arrow button (Fig. 4-12
W
) and
press the "Write" button (Fig. 4-12
E
) so that the
Luminance Pedestal level becomes 0 mV
mV as
shown in Fig. 4-13
Fig. 4-13
8
Press the "Set EEPROM" button as shown in Fig. 4-12
R
.
+ 7
– 0
– 0
8
Select "Y Pedestal RECB" in the select box on the SX150
Test Tool window as shown in Fig. 4-14
Q
.
Fig. 4-14
8
Change the data with the arrow button (Fig. 4-14
W
) and
press the "Write" button (Fig. 4-14
E
) so that the
Luminance Pedestal level becomes 0 mV
mV as
shown in Fig. 4-13.
8
Press the "Set EEPROM" button as shown in Fig. 4-14
R
.
8
Adjust VR500 and VR600 so that the difference between
two output signals becomes less than 12 mV as shown in
Fig. 4-15.
Fig. 4-15
8
Supply the Colour Bar signal to the Camera Input
Connector 1 on the rear panel.
8
Adjust VR501 and VR601 so that the vectors are adjusted
to proper positions as shown in Fig. 4-16 and Table 4-2.
Fig. 4-16
Table 4-2
+ 7
– 0
– 0
less than 12 mV
Q
R
W
E
700 mV
±
14 mV
0 mV mV)
+ 7
– 0
NG
Q
R
W
E
Red
220 %
±
7 %
103
°
±
5
°
Yellow
155 %
±
10 %
167
°
±
8
°
Cyan
220 %
±
12 %
283
°
±
7
°
Gain
Phase
cy
g
M
G
Y
L
yl
B
b
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
V
U
mg
r
20%
20%
dG
Red
220 %
±
7 %
103
°
±
5
°
Yellow
155 %
±
10 %
167
°
±
8
°
Cyan
220 %
±
12 %
283
°
±
7
°
Gain
Phase
Click on the first or last page to see other WJ-SX155 service manuals if exist.