Sony Dcrtrv890e Manual

5-18
15. White Balance Check
Subject Clear chart
(Color bar standard picture frame)
Filter Filter C14 for color temperature
correction
ND filter 1.0 and 0.3
Measurement Point Video output terminal
Measuring Instrument Vectorscope
Specified Value Fig. 5-1-11. A to C
Checking method:
1) Check that the lens is not covered with either filter.
2) Select page: 6, address: 01, set data: 0F, and press the PAUSE
button of the adjustment remote commander.
3) Check that the center of the white luminance point is...

5-19
16. PSD Sensor Gain Adjustment
Adjust the gain of the PSD sensor for steady shot operation.
16-1. PSD Sensor Gain Adjustment (1)
Subject Pattern A
(1.5m from the front of the lens)
Measurement Point Video output terminal
Measuring Instrument Oscilloscope
(V period)
Adjustment Page E
Adjustment Address 48
Fig.5-1-12.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: E, address: 48, set data: 80, and press the PAUSE
button of the adjustment remote commander.
3) Select...

5-20
16-2. PSD Sensor Gain Adjustment (2)
Subject Pattern B
(1.5m from the front of the lens)
Measurement Point Video output terminal
Measuring Instrument Oscilloscope
(H period)
Adjustment Page E
Adjustment Address 49
Fig.5-1-14.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: E, address: 49, set data: 80, and press the PAUSE
button of the adjustment remote commander.
3) Select page: 6, address: 01, set data: 8F, and press the PAUSE
button of the adjustment remote...

5-21
17. Angular Velocity Sensor Sensitivity Adjustment
¥ This adjustment is performed only when replacing the angular
velocity sensor.
Although this adjustment need not be performed when the circuit
is damaged, etc., check the operations.
¥ Note down the sensitivity displayed on the angular velocity sensor
of the repair parts. At this time, note down also to which board it
was attached to.
Be sure to check because if attached incorrectly, the screen will
vibrate up and down or left and right during...

5-22
H
A
GND level
(0Vdc)
Pin No.
1
3
5
7
9
11
13
15
17
19
Signal Name
LANC SIG
EVF BL Ð
EVF VCO
PD VG
H START
PANEL COM
TCK
TDO
SWP
GND
Pin No.
2
4
6
8
10
12
14
16
18
20
Signal Name
EVF BL +
EVF VG
GND
PD VCO
XHD/PSIG
TMS
TDI
GND
RF IN/LANC JACK IN
RF MON
1-4. COLOR ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENT
Note 1:The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note 2:When replacing the LCD unit, be...

5-23
2. Bright Adjustment (VF-121 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode Camera
Subject Arbitrary
Measurement Point Pin 4 of CN2904 (EVF VG) on
VI-151 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 7A
Specified Value A = 7.25 ± 0.05V
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 20, and press...

5-24
4. Backlight Consumption Current Adjustment
    (VF-121 board)
Set the backlight luminance and color temperature.
If deviated, the image may become dark or bright.
Mode Camera
Subject Arbitrary
Measurement Point + Probe: Pin 2 of CN2904 (EVF BL +)
on VI-151  board
Ð Probe: Pin 3 of CN2904 (EVF BL Ð)
on VI-151  board
Measuring Instrument Digital voltmeter
Adjustment Page D
Adjustment Address 76
Specified Value A = 17.0 ± 1.0mVdc
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2)...

5-25 1-5. LCD SYSTEM ADJUSTMENT
Note 1:The back light (fluorescent tube) is driven by a high voltage AC
power supply. Therefore, do not touch the back light holder to
avoid electrical shock.
Note 2:When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Note 3:Set the LCD BRIGHT to the center.
Set the LCD COLOR (Menu display) to the center.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN2904 of the VI-151 board....

5-26
2. D range Adjustment (PD-101 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Mode Camera
Subject Arbitrary
Measurement Point Pin 7 of CN2904 (PD VG) on
VI-151 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 82
Specified Value A = 3.56 ± 0.05V
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 20, and...

5-27
4. Contrast Adjustment (PD-101 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode Camera
Subject Arbitrary
Measurement Point Pin 7 of CN2904 (PD VG) on
VI-151 board
Measuring Instrument Oscilloscope
Adjustment Page D
Adjustment Address 8C
Specified Value A = 3.04 ± 0.05V
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 20, and...