Sony Electronic Viewfinder HDVF-C30W, Maintenance Manual

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1-6 (E)
HDVF-C30W
S1
S2
A side
RV4
RV6
RV2
Adjustment variable
resistor cover
Adjustment variable
resistor
PEAKING control
1-7. Replacing the Main Parts
1-7-1. Replacing the LCD Panel
n
Replacement of the LCD panel backlight:
The backlight of the LCD panel has the life of about
40,000 hours as far as the set color temperature remains
constant.
Replace the backlight when luminance of the backlight
decreases to 150 cd/m
2
or less as a guideline.
Replacement of the backlight only is not possible. Replace
the entire LCD panel.
1. Loosen the four screws (with drop-safe) securing the
rear chassis and remove the rear chassis.
2. Disconnect the harness from the harness clamp and
disconnect the harness from the connectors (CN1,
CN3) on the PR-267 board.
3. Remove the screw (PS2
x
4) and remove the GND
terminal.
1-6-2. VR-208 Board
Switch
Ref. No. Description
S1 SEL1/SEL2 selector switch (on side panel)
S2 Selects direction of the display scanning from the
right or the left.
When the viewfinder barrel is installed, this switch is
set to ON so that the scanning in the reverse
direction is obtained.
Variable Resistor
Ref. No. Description
RV2 PEAKING adjustment This adjustment is enabled
by setting of the SEL1/SEL2
selector switch or that of the
MAG button.
For details, refer to Section
1-6-1, Switch S1-3.
RV4 BRIGHTNESS They can be adjusted when
adjustment the SEL1/SEL2 selector
RV6 CONTRAST
switch (on the side panel) is
adjustment
set to the SEL2 position.
PS2
x
4
Viewfinder
barrel
PR-267 board
(CN1 and CN3)
Harness
clamp
Harness
Screws
(with drop-safe)
Rear chassis
Screws
(with drop-safe)
GND terminal
Viewfinder main unit