DOWNLOAD Sony KLV-21SR2 Service Manual ↓ Size: 2.61 MB | Pages: 74 in PDF or view online for FREE

Model
KLV-21SR2
Pages
74
Size
2.61 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-21sr2.pdf
Date
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KLV-21SR2 (AEP)      1-5
1-9. H3 BOARD REMOVAL
1-10. H4 BOARD REMOVAL
1
 Two screws
    (+BVTP 3x12)
2
 H3 board
Claws
1
 H4 board
KLV-21SR2 (AEP)      1-6E
1-11. H2 BOARD REMOVAL
1
 Two screws
    (
+
TBP 1.7
x
5)
2
 H2 board
KLV-21SR2 (AEP)      2-1
SECTION 2
ADJUSTMENTS
< PREPARATIONS >
1. Aging
• Input no signal and set the monitor to aging mode.
• Aging Setting
MON_CON_REG_2 = 185
2. Aging condition
Power supply : 220-240 V (50/60Hz)
Time : More than 10 minutes
Temperature : 22ºC to 28ºC
Luminance : On aging mode setting
Note:
When the power is cycled between aging and W/B adjustment,
perform the aging in 30sec or more before the W/B
adjustment.
2-1. Adjustment of signal level.
2-1-1. Check AD calibration registration items.
1. Select AV1 and input PAL signal.
Check that follows items are default .
2-1-2. Y signal AD calibration of 2163 decode.
1. Check “MON_CON_REG 1” = 3
(TIMING_AUTO_DETECT is enable)
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 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.
6. Input 100 IRE white full field with burst.
7. 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 TV and S video range.
8. Check that the detection value of “PW_INPUT_Y” is within
the standard of the following column.
2-1-3. C signal AD calibration of 2163 decode.
1. Check “MON_CON_REG 1” = 3
(TIMING_AUTO_DETECT is enable)
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 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.
6. Input blue full field with burst.
7. Send “ADJUST_C_LEVEL_VIDEO” command from ECS.
The C_LEVEL_CCP2_05 registration of the video range is
adjusted automatic by this command.
The value that increased and redused offset data is copied in
the TV and S video range.
8. Check that the detection value of “PW_INPUT_CB” is within
the standard of the following column.
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.
<Check registration items>
TARGET_PW_IN_Y
ADJ_Y_DEADBAND
ADJ_Y_LOOPATTEN
TARGET_PW_IN_C
ADJ_C_DEADBAND
ADJ_C_LOOPATTEN
AD_ADJ_TIME_OUT
AD_COLOR_OFFSET_TV
AD_COLOR_OFFSET_AV1C
AD_COLOR_OFFSET_AV1RGB
AD_COLOR_OFFSET_AV2C
AD_COLOR_OFFSET_AV2YC
AD_COLOR_OFFSET_AV3C
AD_COLOR_OFFSET_AV3YC
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Video(composit) input standard  value on blue full field>
Item
Standard
PW_INPUT_CB
190 
±
 3
<Video(composit) input detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_Y
15 
±
 5
<Video(composit) input detection value average on 100
IRE white full field>
Item
Standard
PW_INPUT_Y
190 
±
 5
<Video(composit) input detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_CB
128 
±
 5
<Video(composit) input standard  value on red full field>
Item
Standard
PW_INPUT_CR
Adjustment value of PW_INPUT_CB 
±
 5
KLV-21SR2 (AEP)      2-2
2-1-4. Check AD calibration registration items.
1. Select AV2 and input PAL signal.
Check that follows items are default .
2-1-5. Y signal AD calibration of CCP2 decode.
1. Check “MON_CON_REG 1” = 3
(TIMING_AUTO_DETECT is enable)
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 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.
6. Input 100 IRE white full field with burst.
7. 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 TV and S video range.
8. Check that the detection value of “PW_INPUT_Y” is within
the standard of the following column.
2-1-6. C signal AD calibration of CCP2 decode.
1. Check “MON_CON_REG 1” = 3
(TIMING_AUTO_DETECT is enable)
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 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.
6. Input blue full field with burst.
7. Send “ADJUST_C_LEVEL_VIDEO” command from ECS.
The C_LEVEL_CCP2_05 registration of the video range is
adjusted automatic by this command.
The value that increased and redused offset data is copied in
the TV and S video range.
8. Check that the detection value of “PW_INPUT_CB” is within
the standard of the following column.
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.
2-2. White Balance Adjustment
2-2-1. White Balance of color temperature
“normal”
1. After setting PICTURE_MODE=2(Personal) set data as
follows.
2. Input 70 IRE gray full field signal in video input (AV1).
<Check registration items>
TARGET_PW_IN_Y
ADJ_Y_DEADBAND
ADJ_Y_LOOPATTEN
TARGET_PW_IN_C
ADJ_C_DEADBAND
ADJ_C_LOOPATTEN
AD_ADJ_TIME_OUT
AD_COLOR_OFFSET_TV
AD_COLOR_OFFSET_AV1C
AD_COLOR_OFFSET_AV1RGB
AD_COLOR_OFFSET_AV2C
AD_COLOR_OFFSET_AV2YC
AD_COLOR_OFFSET_AV3C
AD_COLOR_OFFSET_AV3YC
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Setting data>
COLOR
25
DYNA_PICT
 0 (OFF)
DC_TRAN
 0 (OFF)
<Confirmation of setting data>
Save system
Item
Picture Save
PICTURE =100 (Max)
BRIGHTNESS=50 (Center)
COLOR_INDEX=1 (“Normal”)
DYNA_PICT=0
DC_TRAN=0
GAMMA=0
U_BACKLIGHT=10 (Max)
Default Save
ECO_MODE=1 (Standard)
Color Save
R_DRIVE=128
G_DRIVE=128
B_DRIVE=128
R_BKG=128
G_BKG=128
B_BKG=128
<Video(composit) input detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_CB
128 
±
 5
<Video(composit) input standard  value on blue full field>
Item
Standard
PW_INPUT_CR
Adjustment value of PW_INPUT_CB 
±
 5
<Video(composit) input detection value average on 100
IRE white full field>
Item
Standard
PW_INPUT_Y
190 
±
 5
<Video(composit) input detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_Y
190 
±
 5
<Video(composit) input standard  value on blue full field>
Item
Standard
PW_INPUT_CB
190 
±
 3
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