Sony Handycam DCR-PC10, Руководство по обслуживанию

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5-50
4. AGC Center Level 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 44
Fig. 5-3-9 (1)
Adjustment procedure:
Processing after Adjustments:
Perform “AEQ Adjustment” after this adjustment is completed.
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 40 C0 After setting the data, press the PAUSE button.
4 C 41 C0 After setting the data, press the PAUSE button.
5 C 42 90 After setting the data, press the PAUSE button.
6 C 43 90 After setting the data, press the PAUSE button.
7 C 44 60 After setting the data, press the PAUSE button.
8 C 4B 80 After setting the data, press the PAUSE button.
9 C 5A 00 After setting the data, press the PAUSE button.
10 Playback the segment of a tape which is recorded in step 1.
11 C 44 Increase the data and read the data D
1
when the CH-1 data appears over the entire areas of
audio and video.
12 C 44 Decrease the data and read the data D
2
when the CH-1 data appears over the entire areas of
audio and video.
13 Obtain the average value between D
1
and D
2
, and take it as D
3
.
14 C 44 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)
[Actual waveform]
Fig. 5-3-9 (2)
CH1
CN6202
!™
C1ERP
CH2
CN6202
5
JSWP J
EVEN ch
ODD ch
Audio
Video
When CH1 pulse is present:
When CH1 pulse is present over the entire areas of
audio and video:
6.67msec
Enlargement
When CH1 pulse is not present:
When CH1 pulse is present:
CH1
(CN6202
!™
)
CH2
(CN6202
5
)
CH1