Sony KLV-V26A10E Service Manual page 28

3-2-4(a). Check AD calibration registration items
(1) Select AV6 and input component 576i signal and change picture mode to 1(Custom).
(2) GO TO service mode and press " MENU".
SService Menu SService Menu
Service Menu Service Menu
Special Menu Special Menu
Service Service
3-2-5(a). Y signal AD calibration of component input
(1) Input 0 IRE black full field with burst in AV6.
(2) Proceed as follows.
SService Menu SService Menu
A/D Converter (Y signal)
Model/Version/ETI info.
Aging mode READ_PW_INPUT_Y
A/D Converter (Y signal) PW_INPUT_Y:
A/D Converter (C signal) ADJUST_Y_LEVEL_VIDEO
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service Service
(3) Check that the detection value of "PW_INPUT_Y" is within the standard of following column.
Item Standard
PW_INPUT_Y 16±5
(4) Input 100 IRE white full field with burst.
SService Menu SService Menu
A/D Converter (Y signal) A/D Converter (Y signal)
READ_PW_INPUT_Y READ_PW_INPUT_Y
PW_INPUT_Y: 0 PW_INPUT_Y:
ADJUST_Y_LEVEL_VIDEO ADJUST_Y_LEVEL_VIDEO
Service Service
(5) Adjustment value also is copied in the proper NVM area.
(6) Proceed as follows.
SService Menu SService Menu
A/D Converter (Y signal)
Model/Version/ETI info.
Aging mode READ_PW_INPUT_Y
A/D Converter (Y signal) PW_INPUT_Y:
A/D Converter (C signal) ADJUST_Y_LEVEL_VIDEO
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service Service
(7) Check that the detection value of "PW_INPUT_Y" is within the standard of following column.
Item Standard
PW_INPUT_Y 215±5
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Black full field signal
When using a LEADER 408NPS,
set to 0 IRE, and turn "LUMINANCE" off.
Do not use the Luminance amplitude menu.
Signal output level (blue full field)
Y level should be 0.080Vpp
CB level should be 0.350Vpp
Signal output level (red ffull field)
Y level should be 0.209Vpp
CR level should be 0.350Vpp
SService Menu
A/D Converter (Y signal)
READ_PW_INPUT_Y Cancel
0 PW_INPUT_Y: 0 Ok
ADJUST_Y_LEVEL_VIDEO
Service
0
Cancel
Ok
SService Menu
A/D Converter (Y signal)
READ_PW_INPUT_Y Cancel
0 PW_INPUT_Y: 0 Ok
ADJUST_Y_LEVEL_VIDEO
Service
3-2-6(a). C signal AD calibration of componet input
(1) Input 0 IRE black full field with burst.
(2) Proceed as follows.
SService Menu
Model/Version/ETI info.
Aging mode
A/D Converter (Y signal)
A/D Converter (C signal)
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service
(3) Check that the detection value of "PW_INPUT_CB" is within the standard of following column.
Item Standard
PW_INPUT_CB 128±5
(4) Input blue full field with burst.
(5) Proceed as follows.
SService Menu
Model/Version/ETI info.
Aging mode
A/D Converter (Y signal)
A/D Converter (C signal)
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service
(6) Adjustment value also is copied in the proper NVM area.
(7) Proceed as follows.
SService Menu
Model/Version/ETI info.
Aging mode
A/D Converter (Y signal)
A/D Converter (C signal)
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service
(8) Check that the detection value of "PW_INPUT_CB" is within the standard of following column.
Item Standard
PW_INPUT_CB 210±2
(9) Input red full field with burst.
SService Menu
Model/Version/ETI info.
Aging mode
A/D Converter (Y signal)
A/D Converter (C signal)
White Balance
White Balance Adj.
EEPROM
SECAM Offset Adj.
Service
(10) Check that the detection value of "PW_INPUT_CB" is within the standard of following column.
Item Standard
PW_INPUT_CR 210±2
- 28 -
SService Menu SService Menu
A/D Converter (C signal) A/D Converter (C signal)
READ_PW_INPUT_CB READ_PW_INPUT_CBCancel
PW_INPUT_CB: 0 PW_INPUT_CB:
ADJUST_C_LEVEL_VIDEO ADJUST_C_LEVEL_VIDEO
READ_PW_INPUT_CR READ_PW_INPUT_CR
PW_INPUT_CR: 0 PW_INPUT_CR:
Service Service
SService Menu SService Menu
A/D Converter (C signal) A/D Converter (C signal)
READ_PW_INPUT_CB READ_PW_INPUT_CB
PW_INPUT_CB: 0 PW_INPUT_CB:
ADJUST_C_LEVEL_VIDEO ADJUST_C_LEVEL_V
READ_PW_INPUT_CR READ_PW_INPUT_CROK
PW_INPUT_CR: 0 PW_INPUT_CR:
Service Service
SService Menu SService Menu
A/D Converter (C signal) A/D Converter (C signal)
READ_PW_INPUT_CB READ_PW_INPUT_CBCancel
PW_INPUT_CB: 0 PW_INPUT_CB:
ADJUST_C_LEVEL_VIDEO ADJUST_C_LEVEL_VIDEO
READ_PW_INPUT_CR READ_PW_INPUT_CR
PW_INPUT_CR: 0 PW_INPUT_CR:
Service Service
SService Menu SService Menu
A/D Converter (C signal) A/D Converter (C signal)
READ_PW_INPUT_CB READ_PW_INPUT_CB
PW_INPUT_CB: 0 PW_INPUT_CB:
ADJUST_C_LEVEL_VIDEO ADJUST_C_LEVEL_VIDEO
READ_PW_INPUT_CR READ_PW_INPUT_CRCancel
PW_INPUT_CR: 0 PW_INPUT_CR:
Service Service
AT2X
RM-EA001/RM-ED001
OK
0
0
Cancel
0
OK
0
0
OK