Read Panasonic WV-CM1020 Service Manual online
– 2 –
ADJUSTMENT PROCEDURE
1. Test Equipments Required
8
The following Test Equipments are required for
adjustment of the Colour Video Monitor WV-CM1020.
8
Video Signal Generator
Colour Bar Signal
Grayscale Signal (8 stair steps)
Crosshatch Signal or Dot Signal
White Raster Signal
Red, Green, Blue each Raster Signal
8
Monoscope Pattern Signal Generator
8
Audio Analyzer
8
Oscilloscope
8
Digital Voltmeter
8
Degaussing Coil
8
Ceramic Screwdriver
8
Electric Torque Driver
2. Disassembling Procedure for the
Adjustment
8
Referring to Fig. 2-1, remove seven screws that secure
the Upper Cover and remove the Upper Cover.
Fig. 2-1
3. Connection and Setting up for
Adjustment
3.1. Connection
8
Fig. 3-1 shows the connecting diagram for adjustment
procedure of the WV-CM1020.
Remove seven screws.
Upper Cover
Fig 3-1
8
Connect the coaxial cable between Video Input Connector
of the WV-CM1020 and Video Output Connector of Video
Signal Generator.
8
The Fig. 3-2 shows the connecting diagram for the Audio
section adjustment procedure.
Fig 3-2
8
Connect the Oscillator Output terminal of the Audio
Analyzer and the Audio Input Connector of the WV-
CM1020.
8
Disconnect the Speaker from CN601 on the Main Board.
8
Connect the Input terminal of the Audio Analyzer and the
Audio Output Connector of the WV-CM1020 through
Selector (Audio Out or Speaker Out) SW1.
8
Terminate the Speaker Output signal with 8
Ω
3W.
8
After completion of adjustment, connect the Speaker to
CN601 on the Main Board.
3.2. Setting Up
8
This adjustment should be done after 20 minutes warm up
of the WV-CM1020.
< Initial Setting >
8
Turn the Power Switch on.
8
Select the Cursor Buttons (
i
) or (
o
) to the NORMAL
SETTINGS position.
8
Press the Increment Button (+) or Decrement Button (–),
and then all the setting are initialized.
8
Turn the Power Switch off.
WV-CM1020
Video Signal Generator
VIDEO IN
WV-CM1020
(Main Board)
SW1
OSC
OUT
IN
AUDIO ANALYZER
AUDIO
OUT
SPEAKER
OUT
8
Ω
/ 3 W
3
1
AUDIO
IN
AUDIO
OUT
MONITOR
CN601
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