Camera System Adjustments; 5Mhz/54Mhz Origin Oscillation Adjustment; (Vc-270 Board); Mr Adjustment - Sony Handycam DCR-PC115 Service Manual

DCR-PC115/PC115E/PC120BT/PC120E
1-3.

CAMERA SYSTEM ADJUSTMENTS

Before perform the camera system adjustments, check that the
specified values of "VIDEO SYSTEM ADJUSTMENTS" are
satisfied.
Note: NTSC model : DCR-PC115/PC120BT
PAL model : DCR-PC115E/PC120E

1. 40.5MHz/54MHz Origin Oscillation Adjustment

(VC-270 board)

Set the frequency of the clock for synchronization.
If deviated, the synchronization will be disrupted and the color will
become inconsistent.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Adjusting method:
Order Page Address Data
1 0 01
2 F 12
3 F 12
4 0 01
24 13
25 12
IC302
36 1
37 48
Not required
Pin qs of IC302
Frequency counter
F
12
f=13500000 ± 68Hz
Procedure
01 Set the data.
Change the data and set the
frequency (f) to the specified value.
Press PAUSE button.
00 Set the data.
VC-270 board
Fig. 5-1-6.

2. MR Adjustment

The MR (Magnet resistor) adjustment of the inner focus lens is
carried out automatically. In whichever case, the focus will be
deviated during auto focusing/manual focusing.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value1
Specified Value2
Specified Value3
Note1: Make the lens horizontal and perform this adjustment.
Note2: Perform this adjustment before "Flange Back Adjustment".
Note3: Check that the data of page: 6, address: 02 is "00". If not, to page:
6, address: 01, set data: 00, and press the PAUSE button.
Adjusting method:
Order Page Address Data
1 0 01
2 6 01
3 6 02
4 6 01
5 6 01
6 F 46
7 F 47
8 F 48
9 F 49
10 F 4A
11 F 4B
12 F 4C
13 F 4D
14 F 4E
15 F 4F
Note4: The adjustment data will be automatically input to page: F, address:
46 to 4F, 58.
Processing after Completing Adjustments:
Order Page Address Data
1 6 01
2 0 01
5-16
RadarW RadarW RadarW RadarW RadarW
Not required
Adjustment remote commander
F
46 to 4F, 58
40 to C0
03 to 78
88 to F8
Procedure
01 Set the data.
BD Set the data, and press PAUSE
button.
Check that the data changes to
"01". (Note4)
00 Set the data, and press PAUSE
button.
25 Set the data, and press PAUSE
button.
Check that the data satisfies the
specified value 1.
Check that the data satisfies the
specified value 1.
Check that the data satisfies the
specified value 2.
Check that the data satisfies the
specified value 3.
Check that the data satisfies the
specified value 2.
Check that the data satisfies the
specified value 3.
Check that the data satisfies the
specified value 2.
Check that the data satisfies the
specified value 3.
Check that the data satisfies the
specified value 2.
Check that the data satisfies the
specified value 3.
Procedure
00 Set the data, and press PAUSE
button.
00 Set the data.