Sony DCR-TRV10 Service Manual - Page 105

CAMERA SYSTEM ADJUSTMENTS, 36 MHz Origin Oscillation Adjustment VC-217 board

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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-217 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 R285(Pin ^£ of IC207) or CL200(Pin !™ of IC202) Measuring Instrument Frequency counter Adjustment Page F Adjustment Address 1C Specified Value R285 (Pin ^£ of IC207): f=13500000 ± 68Hz CL200 (Pin !™ of IC202): f=18000000 ± 90Hz 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-217 board 25 36 R285 24 37 IC202 13 48 12 1 IC207 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 D50. 3) Select page: F, address: 5D, set data: D50. 4) Press the PAUSE button of the adjustment remote commander. 5) Select page: 0, address: 01, and set data: 00. 3. HALL Adjustment For detecting the position of the lens iris, adjust the hall AMP gain and offset. Subject Not required Measurement Point Display data of page 1 Measuring Instrument Adjustment remote commander Adjustment Page F Adjustment Address 1E, 1F, 70 Specified Value 88 to 8C during IRIS OPEN 15 to 19 during IRIS CLOSE Note: Displayed data of page 1 of the adjustment remote commander. 1 : 00 : XX Display data 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

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5-19
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-217 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
R285(Pin
^£
of IC207)
or CL200(Pin
!™
of IC202)
Measuring Instrument
Frequency counter
Adjustment Page
F
Adjustment Address
1C
Specified Value
R285 (Pin
^£
of IC207):
f=13500000 ± 68Hz
CL200 (Pin
!™
of IC202):
f=18000000 ± 90Hz
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.
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
50
.
4)
Press the PAUSE button of the adjustment remote commander.
5)
Select page: 0, address: 01, and set data: 00.
3. HALL Adjustment
For detecting the position of the lens iris, adjust the hall AMP gain
and offset.
Subject
Not required
Measurement Point
Display data of page 1
Measuring Instrument
Adjustment remote commander
Adjustment Page
F
Adjustment Address
1E, 1F, 70
Specified Value
88 to 8C during IRIS OPEN
15 to 19 during IRIS CLOSE
Note:
Displayed data of page 1 of the adjustment remote commander.
1 : 00 :
XX
Display data
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.
R285
IC207
IC202
25
36
37
48
1
12
13
24
VC-217 board