Sony Handycam DCR-PC10, Руководство по обслуживанию

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5-51
5. PLL Capture Range Adjustment (VC-199 Board)
Mode Camera record/playback (LP mode)
Subject Any Subject
Signal Playback signal of a pre-recorded tape
Measurement Point CH-1 : CN6202 pin
!™
(C1ERP)
CH-2 : CN6202 pin
5
(JSWP J)
Measuring Instrument Oscilloscope
Triggered from : CH-2
Adjustment Page C
Adjustment Address 46
Adjustment procedure:
Order Page Address Data Procedure
1 Record any camera picture for about two minutes on any tape.
2 0 01 01 Set the data. (Preparation)
3 C 4B 80 After setting the data, press the PAUSE button.
4 C 5A 00 After setting the data, press the PAUSE button.
5 Playback the segment of a tape which is recorded in step 1.
6 C 46 80 After setting the data, press the PAUSE button.
7 C 46 60 After setting the data, press the PAUSE button
8 Confirm that the pulse is not present at the top of audio area of ODD channel of the CH-1
C1ERP waveform on an oscilloscope.
9 C 46 A0 After setting the data, press the PAUSE button.
10 Confirm that the pulse is not present at the top of audio area of ODD channel of the CH-1
C1ERP waveform on an oscilloscope. When the steps 8 and 10 are confirmed, proceed to
step 15.
11 C 46 If pulse is present in steps 8 and 10, increase the data from 80 and read the data D
1
when
pulse starts to appear at the top of the audio area of the CH-1 data.
12 C 46 Decrease the data from 80 and read the data D
2
when pulse starts to appear at the top of
the audio area of the CH-1 data.
13 Obtain the average value between D
1
and D
2
, and take it as D
3
.
14 C 46 Set D
3
to this address and press the PAUSE button.
15 C 4B 00 After setting the data, press the PAUSE button.
16 C 5A 8C After setting the data, press the PAUSE button.
17 0 01 00 Set the data. (End)
Fig. 5-3-10
6.67msec
Enlargement
The CH1 pulse must not be present in this area.
Audio Video
CH1
(CN6202
!™
)
CH2
(CN6202
5
)
CH1
(CN6202
!™
)
CH2
(CN6202
5
)
ODD ch
EVEN ch