Read Sony KE-MV42A1 / KE-MV42M1 Service Manual online
KE-MV42A1/MV42M1 (E) 2-1
SECTION 2
ADJUSTMENTS
2-1. WORKING CONDITION
Power supply KE-MV42A1 (HK) : 110-240 V ± 10V 50/60Hz
KE-MV42M1 (CH) : 220V ± 10V 50Hz
Aging time
: More than 10 minutes
Temperature : 22ºC ~ 28ºC
2-2. ADJUSTMENT OF SIGNAL LEVEL
This adjustment shall be used ECS.
2-2-1. Check AD (2163 case) calibration registra-
tion items
1.
Select AV1 and input PAL signal.
2.
Set the following items.
Item
Data
PICTURE_MODE
0 (Live)
COLOR
25
DYNA_PICT
0 (Off)
DC_TRAN
0 (Off)
COLOR_OFFSET
130
BL_PGAMMA
0 (Off)
3.
Set the following values.
TARGET_PW_IN_Y
:
4024
ADJ_Y_DEADBAND
:
16
ADJ_Y_LOOPATTEN
:
32
TARGET_PW_IN_C
:
3880
ADJ_C_ DEADBAND
:
16
ADJ_C_ LOOPATTEN
:
32
AD_ADJ_TIME_OUT
:
100
2-2-2. Y signal AD calibration of 2163 decode
1.
Check “TIMING_INDEX” =6
(AV_CVBS_RGB_MIX_ PAL_2163)
(AV_CVBS_RGB_MIX_ PAL_2163)
2.
Input 0 IRE black full field with burst in AV1.
3.
1) SET “THROUGH” =1.
2) Send “READ_PW_INPUT_Y” command from ECS.
3) SET “THROUGH” =0.
2) Send “READ_PW_INPUT_Y” command from ECS.
3) SET “THROUGH” =0.
4.
Check that the detection value of “PW_INPUT_Y” is within
the standard of following column.
the standard of following column.
Item
Standard
PW_INPUT_Y
Less than 304
5.
Input 100 IRE white full field with burst.
6.
Send “ADJUST_Y_LEVEL_VIDEO” command from ECS.
The Y_LEVEL_CCP2_04 registration of the video range is
adjusted automatic by this command.
Adjustment value also is copied in the proper NVM area.
The Y_LEVEL_CCP2_04 registration of the video range is
adjusted automatic by this command.
Adjustment value also is copied in the proper NVM area.
7.
Check that the detection value of “PW_INPUT_Y” is within
the standard of following column.
the standard of following column.
Item
Standard
PW_INPUT_Y
4024
±
16
2-2-3. C signal AD calibration of 2163 decode
1.
Check “TIMING_INDEX” =6
(AV_CVBS_RGB_MIX_ PAL_2163)
(AV_CVBS_RGB_MIX_ PAL_2163)
2.
Input 0 IRE black full field with burst.
3.
1) SET “THROUGH” =1.
2) Send “READ_PW_INPUT_CB” command from ECS.
3) SET “THROUGH” =0.
2) Send “READ_PW_INPUT_CB” command from ECS.
3) SET “THROUGH” =0.
4.
Check that the detection value of “PW_INPUT_CB” is
within the standard of following column.
within the standard of following column.
Item
Standard
PW_INPUT_CB
Less than 304
5.
Input blue full field with burst.
6.
Send “ADJUST_C_LEVEL_VIDEO” command from ECS.
The C_LEVEL_CCP2_05 registration of the video range is
adjusted automatic by this command.
Adjustment value also is copied in the proper NVM area.
The C_LEVEL_CCP2_05 registration of the video range is
adjusted automatic by this command.
Adjustment value also is copied in the proper NVM area.
7.
Check that the detection value of “PW_INPUT_CB” is
within standard of following column.
within standard of following column.
Item
Standard
PW_INPUT_CB
3880
±
16
8.
Input red full field with burst.
9.
Send “READ_PW_INPUT_CR” command from ECS.
10. Check that the detection value of “PW_INPUT_CR” is
within standard of following column.
Item
Standard
PW_INPUT_CR
3312
±
320
2-2-4. Check AD (CCP2 case) calibration registra-
tion items
1.
Select AV1 and input PAL signal
2.
Set following items.
Item
Data
PICTURE_MODE
0 (Live)
COLOR
25
DYNA_PICT
0 (Off)
DC_TRAN
0 (Off)
COLOR_OFFSET
130
BL_PGAMMA
0 (Off)
3.
Set the following values.
TARGET_PW_IN_Y
:
3736
ADJ_Y_DEADBAND
:
16
ADJ_Y_LOOPATTEN
:
32
TARGET_PW_IN_C
:
3276
ADJ_C_ DEADBAND
:
16
ADJ_C_ LOOPATTEN
:
32
AD_ADJ_TIME_OUT
:
100
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