Camera System Adjustments; Zoom Key Center Adjustment; Hall Adjustment - Sony DCR-PC2E Service Manual

1-3.

CAMERA SYSTEM ADJUSTMENTS

Before perform the camera system adjustments, check that the
specified value of "VIDEO SYSTEM ADJUSTMENT" are satisfied.
1. 36 MHz Origin Oscillation Adjustment (VC-220 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
Pin 8 of IC1502 or Pin !™ of IC202
Measurement Point
Measuring Instrument Frequency counter
Adjustment Page F
Adjustment Address 1C
Pin 8 of IC1502:
Specified Value
Pin !™ of IC202:
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: F, address: 1C, change the data and set the clock
frequency(f) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Select page: 0, address: 01, and set data: 00.
VC-220 board

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 5D
Note: Don't. touch the zoom lever during adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 6, address: 50, read the data, and this data is named
D .
50
3) Select page: F, address: 5D, set data: D
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: 0, address: 01, and set data: 00.
f=13500000 ± 68Hz
f=18000000 ± 90Hz
24 13
25 12
IC202
36 1
37 48
1 20
10 11
IC1502
.
50

3. HALL Adjustment

For detecting the position of the lens iris, adjust the hall AMP gain
and offset.
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
Note: Displayed data of page 1 of the adjustment remote commander.
1 : 00 : XX
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 6, address: 94, and set data: 8A.
3) Select page: 6, address: 95, and set data: 17.
4) Select page: 6, address: 01, set data: 6D, and press the PAUSE
button of the adjustment remote commander. (The HALL
adjustment is performed and the adjustment data is stored in
page: F, address: 1E, 1F and 70.)
5) Select page: 6, address: 02, and check that the data is "01".
6) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
Checking method:
1) Select page: 6, address: 04, and set data: 03.
2) Select page: 6, address: 01, set data: 01, and press the PAUSE
button.
3) Select page: 1, and check that the display data (Note) during
IRIS OPEN satisfies the specified value.
4) Select page: 6, address: 01, set data: 03, and press the PAUSE
button.
5) Select page: 1, and check that the display data during IRIS
CLOSE satisfies the specified value.
Processing after Completing Adjustments:
1) Select page: 6, address: 01, set data: 00, and press the PAUSE
button.
2) Select page: 6, address: 04, and set data: 00.
3) Select page: 6, address: 94, and set data: 00.
4) Select page: 6, address: 95, and set data: 00.
5) Select page: 0, address: 01, and set data: 00.
5-19
Not required
Display data of page 1
Adjustment remote commander
F
1E, 1F, 70
88 to 8C during IRIS OPEN
15 to 19 during IRIS CLOSE
Display data