Read Panasonic WJ-SX155 Service Manual Simplified online
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8
Adjust VR2000 so that the Burst signal level becomes 300
mV ± 15 mV as shown in Fig. 4-1.
Fig. 4-1
8
Trigger the Oscilloscope with V rate.
8
Adjust VR2001 so that the ID level becomes 700 mV ± 15
mV as shown in Fig. 4-2.
Fig. 4-2
(5). Rec Out Level Adjustment
Test Point:
External Output Connector
Rear Panel
Adjust:
VR2200 (REC BURST)
Multiplexer Board
VR2201 (REC ID)
Multiplexer Board
8
Connect the terminated Oscilloscope with 75
Ω
to the
External Output Connector on the rear panel.
8
Trigger the Oscilloscope with H rate.
8
Adjust VR2200 so that the Burst level becomes 300 mV ±
15 mV as shown in Fig. 4-1.
8
Trigger the Oscilloscope with V rate.
8
Adjust VR2201 so that the ID level becomes 700 mV ± 15
mV as shown in Fig. 4-2.
(6). C PLL DC Level Adjustment (Monitor Out)
Test Point:
TP700 (MONI C PLL DC-1)
TP701 (MONI C PLL DC-2)
TP800 (MONI C PLL DC-3)
TP801 (MONI C PLL DC-4)
Multiplexer Board
Adjust:
CT700 (MONI C PLL DC-1)
CT701 (MONI C PLL DC-2)
CT800 (MONI C PLL DC-3)
CT801 (MONI C PLL DC-4)
Multiplexer Board
8
Supply the Colour Bar signal to the Camera Input
Connector 1 on the rear panel.
8
Connect the Digital Voltmeter to TP700.
8
Adjust CT700 to obtain 2.5 V ± 0.3 V DC.
8
Change the connection of the Video Signal Generator
from the Camera Input Connector 1 to 2.
8
Connect the Digital Voltmeter to TP701.
8
Adjust CT701 to obtain 2.5 V ± 0.3 V DC.
8
Change the connection of the Video Signal Generator
from the Camera Input Connector 2 to 3.
8
Connect the Digital Voltmeter to TP800.
8
Adjust CT800 to obtain 2.5 V ± 0.3 V DC.
8
Change the connection of the Video Signal Generator
from the Camera Input Connector 3 to 4.
8
Connect the Digital Voltmeter to TP801.
8
Adjust CT801 to obtain 2.5 V ± 0.3 V DC.
(7). C PLL DC Level Adjustment (Rec Out)
Test Point:
TP900 (REC C PLL DC-1) Multiplexer Board
TP901 (REC C PLL DC-2) Multiplexer Board
Adjust:
CT900 (REC C PLL DC-1) Multiplexer Board
CT901 (REC C PLL DC-2) Multiplexer Board
8
Change the connection of the Video Signal Generator
from the Camera Input Connector 4 to 1.
8
Connect the Digital Voltmeter to TP900.
8
Adjust CT900 to obtain 2.5 V ± 0.3 V DC.
8
Connect the Oscilloscope to TP901.
8
Adjust CT901 to obtain 2.5 V ± 0.3 V DC.
300 mV
±
15 mV
700 mV
±
15 mV
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