– 5 –
[Connector for adjustment]
The measurement points for EVF adjustment are concentrated on
the CN4901 on the VF board. Connect a measuring instrument to
it via adjusting monitor jig (J-2503-017-A).
The following table lists the pin No. and signal name of CN4901.
Pin No.
VF board
Adjustment
Signal name
CN4901
monitor jig
5
A
EVF_GND
4
B
G
3
C
EVF_BL_4.95V (–)
2
D
EVF_BL_4.95V
1
E
VCO
–
F
NC
–
G
NC
–
H
NC
–
I
NC
–
J
NC
Table.7-1-1
1-2.
EVF System Adjustment
Note 1:
The backlight (fluorescent tube) is driven with high volt-
age AC power. Accordingly, do not touch the backlight
holder; otherwise you could receive an electric shock.
Note 2:
Take extreme care not to destroy the LCD unit by static
electricity, when replacing it.
Note 3:
On the Menu screen, set the “Finder Brightness” to the
center.
Note 4:
Once the 10-step gradation pattern (white/black) has been
set, it is held until the power is turned off. Therefore, it
is not necessarily set every time in successive adjust-
ment.
[Adjustment steps]
The EVF adjustment, as a rule, should be performed following the
steps given below.
Only for the “Backlight Consumed Current Adjustment”, the or-
der may be changed.
1. EVF Adjustment Data Initializing
2. VCO Adjustment
3. Brightness Adjustment
4. Contrast Adjustment
5. Backlight Consumed Current Adjustment
6. White Balance Adjustment
Fig.7-1-6
Use the connector with EVF labeling.
VF board CN4901
1
5
A
B
C
D
E
F
G
H
I
J
Adjusting monitor jig
(J-2503-017-A)
Summary of Contents for MDDISCAM DCM-M1
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Page 69: ...DCM M1 4 5 4 6 4 7 4 8 4 1 FRAME SCHEMATIC DIAGRAM FRAME ...
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