KLV-MV32M1 - Sony TV Service Manual (repair manual). Page 10

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KLV-MV32M1 (CH)     2-1
SECTION  2
ADJUSTMENTS
2-1. AGING
2-1-1. Aging setting
1.
To set aging mode on no input signal, change the register.
And do the “service save”.
[Aging setting]
“MON_CON_REG_2” = 189
“AGING_COLOR” = 1
2-1-2. Aging condition
Power supply : 220-240 V (AC, 50Hz)
Time
: More than 30 minutes
Temperature
: 22ºC ~ 28ºC
Luminance
: On aging mode setting
Note:
After aging, if power was shut down until W/B adjusutment, shall
be adjusted W/B after aging more than 30 second.
2-2. ADJUSTMENT OF SIGNAL LEVEL
This adjustment shall be used ECS.
2-2-1. Check AD (2163 case) calibration
registration items
1.
Select VIDEO1 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
:
4048
ADJ_Y_DEADBAND
:
24
ADJ_Y_LOOPATTEN
:
32
TARGET_PW_IN_C
:
3376
ADJ_C_ DEADBAND
:
24
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)
2.
Input 0 IRE black full field with burst in VIDEO1.
3.
1)
SET “THROUGH” =1.
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.
Item
Standard
PW_INPUT_Y
Less than 384
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.
7.
Check that the detection value of “PW_INPUT_Y” is within
the standard of following column.
Item
Standard
PW_INPUT_Y
4048 
±
 24
2-2-3. C signal  AD calibration of 2163 decode
1.
Check “TIMING_INDEX” =6
(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.
4.
Check that the detection value of “PW_INPUT_CB”  is
within the standard of following column.
Item
Standard
PW_INPUT_CB
Less than 384
5.
Input blue full field with burst. (Blue = 100 IRE)
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.
7.
Check that the detection value of “PW_INPUT_CB” is
within standard of following column.
Item
Standard
PW_INPUT_CB
3376 
±
 24
8.
Input red full field with burst. (Red = 100 IRE)
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
Adjustment value of PW_INPUT_CB
±
 320
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