Camera System Adjustments; Mhz/66Mhz Origin Oscillation Adjustment; (Cd-285 Board); Zoom Key Center Adjustment - Sony DCR-PC110 Service Manual
Digital video camera recorder
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Also See for DCR-PC110:
- Operating instructions manual (168 pages) ,
- Operating instructions manual (168 pages)
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1-3.
CAMERA SYSTEM ADJUSTMENTS
Before perform the camera system adjustments, check that the
specified values of “VIDEO SYSTEM ADJUSTMENT” are
satisfied.
Note: NTSC model: DCR-PC110
PAL model: DCR-PC110E
1. 54MHz/66MHz Origin Oscillation Adjustment
(CD-285 board)
Set the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color will
become inconsistent.
Subject
Not required
Measurement Point
Pin wd of IC754 on VC-253 board or
Pin 8 of IC652 on VC-253 board
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
12
Specified Value
13500000 ± 68Hz
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
F
12
Change the data and set the
frequency (f) to the specified
value.
3
F
12
Press PAUSE button.
4
0
01
00
Set the data.
48
37
1
36
IC754
25
12
24
13
VC-253 board (SIDE B)
10
11
IC652
1
20
Fig. 5-1-6.
2. Zoom Key Center Adjustment
Set the A/D value center of the microprocessor to the center voltage
of the zoom key.
If deviated, the zoom lens operates of itself ,even if the zoom key is
the center position.
Subject
Not required
Measurement Point
Display data of page: 6, address: 50
Measuring Instrument
Adjustment remote commander
Adjustment Page
F
Adjustment Address
13
Note: Don’t touch the zoom lever during adjustment.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
6
50
Read the data, and this data is
named D
.
50
3
F
13
D
Set the data, and press PAUSE
50
button.
4
0
01
00
Set the data.
5-15
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