WV-CM1020 - Panasonic Video Monitoring Service Manual (repair manual). Page 6

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–3 –
< Service Menu >
8
Turn the Power Switch on while pressing the Increment
Button (+), the Decrement Button (–) and the MENU
Button simultaneously, and enter to the Service Menu
mode.
8
Press the MENU Button once, and enter to the DEF
MENU.
8
The item of the DEF MENU changes as shown in Fig. 3-3.
Fig. 3-3
8
Press the MENU Button once, and enter to the W/B
MENU.
8
The item of the W/B MENU changes as shown in Fig. 3-4.
Fig. 3-4
8
Press the MENU Button once, and enter to the SUB
MENU.
8
The item of the SUB MENU changes as shown in Fig. 3-5
Fig. 3-5
8
Press the MENU Button once, and enter to the ADJ
MENU.
8
The ADJ MENU is as shown in Fig. 3-6.
Fig. 3-6
4. Adjustment Procedure
8
Refer to the Location of the Test Points and
Adjusting Controls on the page 8.
(1). 120V Adjustment
Test Point:
TP804 (120V)
CRT Board
Adjust:
+B
Increment Button (+)
Decrement Button (–)
SCREEN Control
Flyback Transformer on the Main Board
8
Supply the Monoscope Pattern signal to Video Input
Connector.
8
Connect the Digital Voltmeter to TP804.
8
Select the MENU Button to the DEF MENU.
8
Select the Cursor Buttons (
i
) or (
o
) to the +B position.
8
Adjust the Increment Button (+) or Decrement Button (–)
so that +B becomes 65.
8
Adjust the SCREEN control so that the stair step of the
Monoscope pattern is visibly certain.
8
Adjust the Increment Button (+) or Decrement Button (–)
so that the DC voltage at TP804 becomes 120 ± 0.2 V.
8
Supply the Grayscale signal to Video Input Connector.
8
Select the Cursor Buttons (
i
) or (
o
) to the ABL IN
position, and then the reference voltage is inputted to the
micro computer.
8
Select the MENU Button to the ADJ MENU.
8
Select the Cursor Buttons (
i
) or (
o
) to the MENU END
position.
8
Press the Increment Button (+) or Decrement Button (–)
for saving data.
8
Turn the Power Switch off.
1  STD  BRIGHT
70
2  MAX  CONTRAST
76
3  STD  COLOUR
72
4  MAX AUDIO
163
Pressing
the Cursor Button (
o
)
Pressing
the Cursor Button (
i
)
ADJ  MENU
ABL/ACL
ACL
ALL RESET
ON
MENU  END
NO SAVE
1  CUTOFF  R
0  197
2  CUTOFF  G
78
3  CUTOFF  B
0  124
4  DRIVE  R
189
5  DRIVE  B
112
6  SERVICE  SW
OFF
Pressing
the Cursor Button (
o
)
Pressing
the Cursor Button (
i
)
1  H  CENTER
9
2  +B
53
3  ABL  IN
226
4  MENU  SIZE
40
Pressing
the Cursor Button (
o
)
Pressing
the Cursor Button (
i
)
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