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Fig. 2-2
3. Connection and Setting up for
Adjustment
3.1. Connection
8
Fig. 3-1 shows the connecting diagram for adjustment of
the WV-CM1480/WV-CM1780/WV-CM2080.
Fig 3-1
8
Connect the coaxial cable between Video Input Connector
of the WV-CM1480/WV-CM1780/WV-CM2080 and the
Video Output Connector of the Video Signal Generator.
8
Disconnect the Modular Cable from the Data Port of the
WV-CM1480/WV-CM1780/WV-CM2080.
8
The Fig. 3-2 shows the connecting diagram for the Audio
Section adjustment.
Fig 3-2
ADJUSTMENT PROCEDURE
1. Test Equipments Required
8
The following Test Equipments are required for
adjustment of the Colour Video Monitor WV-CM1480/WV-
CM1780/WV-CM2080.
8
Video Signal Generator
Colour Bar Signal
Grayscale Signal (8 stair steps)
Crosshatch Signal or Dot Signal
White Raster Signal
Red, Green and Blue each Raster Signal
8
Monoscope Pattern Signal Generator
8
Audio Analyzer (VP-7720 or equivalent)
8
Oscilloscope
8
Digital Voltmeter
8
Degaussing Coil
8
Ceramic Screwdriver
8
Electric Torque Driver
2. Disassembling Procedure for
Adjustment
3
WV-CM1480 / WV-CM1780
8
Referring to Fig. 2-1, remove eight screws that secure the
Upper Cover and remove the Upper Cover.
Fig. 2-1
3
WV-CM2080
8
Referring to Fig. 2-2, remove thirteen screws that secure
the Upper Cover and remove the Upper Cover.
Remove eight screws.
Upper Cover
Remove thirteen screws.
Upper Cover
WV-CM2080
WV-CM1480
WV-CM1780
Video Signal Generator
VIDEO IN
WV-CM1480
WV-CM1780
WV-CM2080
WV-CM1780
WV-CM2080
(Main Board)
SW1
OSC
OUT
IN
AUDIO ANALYZER
AUDIO
OUT
SPEAKER
OUT
8
Ω
/ 3 W
3
1
AUDIO
IN
AUDIO
OUT
CN601
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