Y Signal Ad Calibration Of Component Input; C Signal Ad Calibration Of Component Input - Sony KLV-21SG2 Service Manual
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Also See for KLV-21SG2:
- Service manual (96 pages) ,
- Operating instructions manual (80 pages) ,
- Brochure (2 pages)
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2-1-4. Y signal AD calibration of COMPONENT
input.
1. Check "CP_CTRL" = 0
2. Set data as follows.
<Setting data>
COLOR
25
DYNA_PICT
0 (OFF)
DC_TRAN
0 (OFF)
3. Input 0 IRE black full field with burst in video 3 input .
4. Send "READ_PW_INPUT_Y" command from ECS.
5. Check thgat the detection value of "PW_INPUT_Y" is within
the standard of the following column.
<Video 3 input detection value average on 0 IRE black
full field>
Item
PW_INPUT_Y
6. Input 100 IRE white full field with burst.
7. Send "ADJUST_Y_LEVEL_D1" command from ECS.
The Y_LEVEL_CCP2_04 registration of the D1 range is ad-
justed automatic by this command.
Adjustment value also is copied in the D2, D3 and D4 range.
8. Check that the detection value of "PW_INPUT_Y" is within
the standard of the following column.
<Video 3 input detection value average on 100 IRE white
full field>
Item
PW_INPUT_Y
2-1-5. C signal AD calibration of COMPONENT
input.
1. Check "CP_CTRL" = 0
2. Set data as follows.
<Setting data>
COLOR
25
DYNA_PICT
0 (OFF)
DC_TRAN
0 (OFF)
3. Input 0 IRE black full field with burst in video 3 input .
4. Send "READ_PW_INPUT_CB" command from ECS.
5. Check thgat the detection value of "PW_INPUT_CB" is
within the standard of the following column.
<Video(composit) input detection value average on 0
IRE black full field>
Item
PW_INPUT_CB
6. Input blue full field with burst.
7. Send "ADJUST_C_LEVEL_D1" command from ECS.
The C_LEVEL_CCP2_05 registration of the D1 range is ad-
justed automatic by this command.
The value that increased and redused offset data is copied in
the D2, D3 and D4 range.
Standard
±
14
3
Standard
±
200
2
Standard
±
128
5
8. Check that the detection value of "PW_INPUT_CB" is within
the standard of the following column.
<Video 3 input standard value on blue full field>
Item
PW_INPUT_CB
9. Input red full field with burst.
10. Send "READ_PW_INPUT_CR" command from ECS.
11. Check that the detection value of "PW_INPUT_CR" is within
the standard of the following column.
<Video 3 input standard value on blue full field>
Item
PW_INPUT_CR
Standard
±
225
2
Standard
±
225
3
KLV-21SG2 (UC)
2-2
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