Psd Sensor Gain Adjustment (2) - Sony DCR-TRV890E Service Manual

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
Pattern B
White
A4 size (297mm × 210mm)
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 commander.
4) Expose pattern B with the zoom TELE end.
5) Adjust the focus.
6) Measure the horizontal position SH1 (µ sec) of the falling edge
of the waveform. (Oscilloscope is H period)
7) Select page: 6, address: 01, set data: 91, and press the PAUSE
button.
8) Measure the horizontal position SH2 (µ sec) of the falling edge
of the waveform. (Oscilloscope is H period)
9) Obtain D49' using the following equation (decimal calculation).
' = 128 × (7.4/(SH2–SH1))
D
49
10) Convert D ' to hexadecimal notation, and obtain D
49
off to one decimal place)
(Refer to Table 5-4-1. "Hexadecimal notation-Decimal notation
conversion table" of "5-4. Service Mode". )
11) Select page: E, address: 49, set data: D
button of the adjustment remote commander.
Processing after Completing Adjustments
1) Select page: 6, address: 01, set data: 00, and press the PAUSE
button of the adjustment remote commander.
2) Select page: 0, address: 01, and set data: 00.
3) Check that the steady shot operation is performed normally.
Black
White
. (Round
49
, and press the PAUSE
49
Falling edge of
waveform when
data is "8F"
SH1 ( µ sec)
5-20
H
Falling edge of
waveform when
data is "91"
SH2–SH1
SH2 ( µ sec)
Fig. 5-1-15.