Velocity Sensor Sensitivity Adjustment - Sony DCR-TRV7 Service Manual

R-Y
2 mm
2 mm
Fig. 5-1-11. A
R-Y
1.0 mm
1.0 mm
3 mm
Fig. 5-1-11. B
R-Y
3 mm
2 mm
3 mm
1 mm
Fig. 5-1-11. C

16. Velocity Sensor Sensitivity Adjustment

•
•
B-Y
Precautions on Parts Replacement
There are two types of repair parts.
If replace with other parts, the screen will vibrate up and down or
left and right during hand-shake correction operations. After
replacing, re-adjust according to the adjusting method after
B-Y replacement.
Precautions on Velocity Sensor
3 mm
The sensor incorporates a precision oscillator. Handle it with care as
if it is dropped, the the balance of the oscillator will be disrupted and
operations will not be performed properly.
Adjusting page
Adjusting address
Note: The sensor sensitivity of SE500 and SE501 of the CD-168
Adjusting method:
1) Set data: 01 to page: 6, address: 00.
2) Read the sensor sensitivity written on SE500 of the CD-168
3) Read the sensor sensitivity written on SE501 of the CD-168
4) Calculate D
B-Y
5) Convert D
6) Set data: D
7) Set data: D
Processing after Completing Adjustments
1) Set data: 00 to page: 6, address: 00.
2) Check that the hand-shake correction operations have been
5–19
This adjustment is performed only when replacing the 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 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 hand-shake correction
operations.
For SE500: 1-801-731-31
For SE501: 1-810-725-71
F
41, 42
board is written only on the repair parts.
board, and take this as S .
500
board, and take this as S .
501
´ and D ´ using the following equation (decimal
41 42
calculation).
NTSC model
88
D ´ =
41
S
501
101
D ´ =
42
S
500
PAL model
119
D ´ =
41
S
501
115
D ´ =
42
S
500
´ and D ´ into hexadecimal digits, to obtain D
41 42
and D . (Round off decimal points)
42
to page: F, address: 41, and press the PAUSE button
41
of the adjusting remote commander.
to page: F, address: 42, and press the PAUSE button
42
of the adjusting remote commander.
performed normally.
41