Adjustment Procedure - Panasonic WV-CM1480 Service Manual

ADJUSTMENT PROCEDURE

1. Test Equipments Required
8
The following Test Equipments are required for
adjustment of the Color Video Monitor WV-CM1480/WV-
CM1780/WV-CM2080.
8 Video Signal Generator
Color 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.
Upper Cover
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.
Fig. 2-1
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.
Video Signal Generator
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.
WV-CM1480
WV-CM1780
WV-CM2080
– 4 –
Remove thirteen screws.
Upper Cover
Fig. 2-2
WV-CM1480
WV-CM1780
WV-CM2080
VIDEO IN
Fig 3-1
AUDIO ANALYZER
OSC
OUT IN
SW1
SPEAKER
AUDIO
OUT
OUT
8 Ω / 3 W
1
3
AUDIO AUDIO CN601
IN OUT
(Main Board)
Fig 3-2