Sony CCD-TR618 Service Manual page 127

9. Auto White Balance Adjustment
Adjust to the proper auto white balance output data.
If it is not correct, auto white balance and color reproducibility will
be poor.
Subject Clear chart
(Color reproduction adjustment frame)
Filter Filter C14 for color temperature
correction
Measurement Point Display data of page 1 (Note4)
Measuring Instrument Adjustment remote commander
Adjustment Page F
Adjustment Address 42, 43
Specified Value 1/6 CCD NTSC model:
1/6 CCD PAL model:
1/4 CCD NTSC model:
1/4 CCD PAL model:
Note1: 1/6 CCD NTSC model: CCD-TR618/TRV49/TRV58
1/6 CCD PAL model: CCD-TR618E/TR718E/TR728E/TRV49E/
TRV58E/TRV59E
1/4 CCD NTSC model: CCD-TR818/TRV68/TRV78/TRV88/TRV98
1/4 CCD PAL model: CCD-TRV78E/TRV98E
Note2: After the power is turned on, this adjustment can be done only
once.
Note3: Perform "Auto White Balance & LV Standard Data Input" before
this adjustment.
Note4: Displayed data of page 1 of the adjustment remote commander.
1 : XX : XX
Switch setting:
1) NIGHT SHOT (Lens block) ............................................ OFF
2) DIGITAL ZOOM (Menu display) ................................... OFF
3) STEADY SHOT (Menu display) ..................................... OFF
4) LIGHT (FK-1000 block) .................................................. OFF
R ratio: 2AC0 to 2B40
B ratio: 5E20 to 5EE0
R ratio: 2B40 to 2BC0
B ratio: 61A0 to 6260
R ratio: 2D40 to 2DC0
B ratio: 5D20 to 5DE0
R ratio: 2B40 to 2BC0
B ratio: 5D20 to 5DE0
Display data
Adjusting method:
Order Page Address Data
1
2 0 01
3 F B8
4 F B8
5 F B9
6 F B9
7 F BA
8 F BA
9 F BB
10 F BB
11 6 01
12
13 6 01
14 6 02
15 6 01
16 0 03
17 1
18 0 03
19 1
Note5: The adjustment data will be automatically input to page: F, address:
42,43.
Processing after Completing Adjustments:
Order Page Address Data
1 6 01
2 F B8
3 F B9
4 F BA
5 F BB
6 0 03
7 0 01
5-21
Procedure
Place the C14 filter for color
temperature correction on the lens.
01 Set the data.
Write down the data.
Set the following data, and press
PAUSE button.
2B: 1/6 CCD NTSC model
2B: 1/6 CCD PAL model
2D: 1/4 CCD NTSC model
2B: 1/4 CCD PAL model
Write down the data.
Set the following data, and press
PAUSE button.
00: 1/6 CCD NTSC model
80: 1/6 CCD PAL model
80: 1/4 CCD NTSC model
80: 1/4 CCD PAL model
Write down the data.
Set the following data, and press
PAUSE button.
5E: 1/6 CCD NTSC model
62: 1/6 CCD PAL model
5D: 1/4 CCD NTSC model
5D: 1/4 CCD PAL model
Write down the data.
Set the following data, and press
PAUSE button.
80: 1/6 CCD NTSC model
00: 1/6 CCD PAL model
80: 1/4 CCD NTSC model
80: 1/4 CCD PAL model
A7 Set the data, and press PAUSE button.
Wait for 2 sec.
A5 Set the data, and press PAUSE button.
Check that the data changes to
"01". (Note5)
3F Set the data, and press PAUSE button.
04 Set the data.
Check that the display data (Note4)
satisfies the R ratio specified value.
05 Set the data.
Check that the display data (Note4)
satisfies the B ratio specified value.
Procedure
00 Set the data, and press PAUSE button.
Set the data that is written down
at step 3, and press PAUSE button.
Set the data that is written down
at step 3, and press PAUSE button.
Set the data that is written down
at step 3, and press PAUSE button.
Set the data that is written down
at step 3, and press PAUSE button.
00 Set the data.
00 Set the data.