Psd Sensor Gain Adjustment (Ntsc (60I) Mode) (1); Psd Sensor Gain Adjustment (Ntsc (60I) Mode) (2) - Sony HVR-Z1J Service Manual

24-2. PSD Sensor Gain Adjustment
(NTSC (60i) mode) (2)
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Note1: The data of page: 0, address: 10 must be "00".
Switch setting:
1) NTSC (60i)/PAL (50i) ......................................... NTSC (60i)
2) TV TYPE (IN/OUT REC menu) ................................... 16 : 9
3) ZOOM .................................................................... TELE end
4) FOCUS .................................................................. MANUAL
5) ND FILTER ...................................................................... OFF
Pattern B
A4 size (297mm × 210mm)
Falling edge of
waveform when
data is "8F"
HVR-Z1J/Z1U/Z1N/Z1E/Z1P/Z1C
Pattern B
(1.5m from the front of the lens)
Video terminal of AUDIO/VIDEO
jack
Oscilloscope
(H period)
F
85
Black
White White
Fig. 6-1-27.
H
Falling edge of
waveform when
data is "91"
SH1–SH2
SH1 (µsec)
SH2 (µsec)
Fig. 6-1-28.
Adjusting method:
Order Page Address Data
1 0 01
2 F 85
3 6 01
4
5
6
7 6 01
8
9
10
11 F 85
Note2: Refer to "Table 6-4-1. Hexadecimal-decimal Conversion Table"
Processing after Completing Adjustments :
Order Page Address Data
1 6 01
2 0 01
3
6-54
Procedure
01 Set the data.
80 Set the data, and press PAUSE
button.
91 Set the data, and press PAUSE
button.
Shoot the pattern B with the
zoom TELE end.
Adjust the focus.
Measure the horizontal position
SH1 (µ sec) of the falling edge
of the waveform.
8F Set the data, and press PAUSE
button.
Measure the horizontal position
SH2 (µ sec) of the falling edge
of the waveform.
Obtain D ' using the following
85
equation (decimal calculation).
'=128 × (4.618/(SH1-SH2))
D
85
=591.1/(SH1-SH2)
Convert D ' to hexadecimal
85
notation, and obtain D
85
off to one decimal place)
(Note2)
D Set the data, and press PAUSE
85
button.
Procedure
00 Set the data, and press PAUSE
button.
01 Set the data.
Perform "Angular Velocity
Sensor Sensitivity Adjustment".
. (Round