Read Panasonic WJ-SX155 Service Manual Simplified online
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(8). Input Level Adjustment (Monitor Output)
Test Point:
Monitor Output Connector 1
Rear Panel
Adjust:
VR100 (MONI Y-1)
Multiplexer Board
VR101 (MONI C-1)
Multiplexer Board
VR200 (MONI Y-2)
Multiplexer Board
VR201 (MONI C-2)
Multiplexer Board
VR300 (MONI Y-3)
Multiplexer Board
VR301 (MONI C-3)
Multiplexer Board
VR400 (MONI Y-4)
Multiplexer Board
VR401 (MONI C-4)
Multiplexer Board
8
Start the SX150 Test Tool on the PC.
8
Set the RS232C Setting as shown in Fig. 4-3, and click on
the "SET" button.
Fig. 4-3
8
Click on the "MUX Adjust" tab as shown in Fig. 4-4.
Fig. 4-4
8
Connect the underscanned Colour Video Monitor through
the Vectorscope to the Monitor Output Connector 1 on the
rear panel.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Monitor Output Connector 1 on the rear panel.
8
Supply the Ramp signal to the Camera Input Connector 1
on the rear panel.
8
Select "Y Pedestal MULA" in the select box on the SX150
Test Tool window as shown in Fig. 4-5
Q
.
Fig. 4-5
8
Change the data with the arrow button (Fig. 4-5
W
) and
press the "Write" button (Fig. 4-5
E
) so that the
Luminance Pedestal level becomes 0 mV
mV as
shown in Fig. 4-6.
Fig. 4-6
8
Press the "Set EEPROM" button as shown in Fig. 4-5
R
.
8
Change the connection of the Video Signal Generator
from the Camera Input Connector 1 to 2.
8
Select "Y Pedestal MULB" in the select box on the SX150
Test Tool window as shown in Fig. 4-7
Q
.
Fig. 4-7
8
Change the data with the arrow button (Fig. 4-7
W
) and
press the "Write" button (Fig. 4-7
E
) so that the
Luminance Pedestal level becomes 0 mV
mV as
shown in Fig. 4-6.
8
Press the "Set EEPROM" button as shown in Fig. 4-7
R
.
+ 7
– 0
– 0
+ 7
– 0
– 0
Click on the "MUX Adjust" tab.
700 mV
±
14 mV
0 mV mV)
+ 7
– 0
NG
Q
R
W
E
Q
R
W
E
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