DOWNLOAD Sony KLV-21SR2 (serv.man2) Service Manual ↓ Size: 7.49 MB | Pages: 80 in PDF or view online for FREE

Model
KLV-21SR2 (serv.man2)
Pages
80
Size
7.49 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-21sr2-sm2.pdf
Date
PREV: Sony KDE-42XBR950 / KDE-50XBR950 Service Manual

Sony KLV-21SR2 (serv.man2) Service Manual ▷ View online

KLV-21SR2 (UC)      1-5
1-9. H3 BOARD REMOVAL
1-10. H4 BOARD REMOVAL
2 
H3 board
1 Two screws
    (+BVTP 3x12)
2 H4 board
1 Two claws
KLV-21SR2 (UC)      1-6E
1-11. H2 BOARD REMOVAL
2
 H2 board
1 Two screws
    (+TPB 1.7x5)
1-12. LCD MODULE REMOVAL
3 Six screws
    (+BVTP 3x10)
3 Two screws
    (+BVTP 3x10)
1 Three screws
    (+BVTP 3x14)
2 Bracket
4 LCD module
1 Three screws
    (+BVTP 3x14)
KLV-21SR2 (UC)      2-1
SECTION 2
ADJUSTMENTS
< PREPARATIONS >
1. Aging
• Input no signal and set the monitor to aging mode.
• Aging Setting
MON_CON_REG_2 = 217
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. Check that follows items are default .
2-1-2. Y signal AD calibration of TV/VIDEO
input.
1. Check “CO_CTRL” = 0
2. Set data as follows.
3. Input 7.5 IRE black full field with burst in video 1 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 TV/VIDEO
input.
1. Check “MON_CON_REG 1” = 3
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_V
AD_COLOR_OFFSET_S
AD_COLOR_OFFSET_D1
AD_COLOR_OFFSET_D2
AD_COLOR_OFFSET_D3
AD_COLOR_OFFSET_D4
<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
230 
±
 2
<Video(composit) input detection value average on  0.75
IRE black full field>
Item
Standard
PW_INPUT_Y
11 
±
 3
<Video(composit) input detection value average on 100
IRE white full field>
Item
Standard
PW_INPUT_Y
195 
±
 2
<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
230 
±
 3
KLV-21SR2 (UC)      2-2
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
“cool”
1. After setting PICTURE_MODE=2(Pro) set data as follows.
2. Input 70 IRE gray full field signal in video 1 input .
3. Adjust R_DRIVE, B_DRIVE until high light adjustment
value.
4. Input 20 IRE gray full field signal in video 1 input .
5. Adjust R_BKG, B_BKG until low light adjustment value.
6. Repeat step 1-4 until it is high and low light adjustment value.
7. Do “Color Save”
2-1-4. Y signal AD calibration of COMPONENT
input.
1. Check “CP_CTRL” = 0
2. Set data as follows.
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.
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.
2-1-5. C signal AD calibration of COMPONENT
input.
1. Check “CP_CTRL” = 0
2. Set data as follows.
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.
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.
<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 detection value average on 0
IRE black full field>
Item
Standard
PW_INPUT_CB
128 
±
 5
<Video 3 input standard  value on blue full field>
Item
Standard
PW_INPUT_CR
230 
±
 3
<Video 3 input detection value average on 100 IRE white
full field>
Item
Standard
PW_INPUT_Y
195 
±
 2
<Video 3 input detection value average on 0 IRE black
full field>
Item
Standard
PW_INPUT_Y
11 
±
 3
<Video 3 input standard  value on blue full field>
Item
Standard
PW_INPUT_CB
230 
±
 2
<Confirmation of setting data>
Save system
Item
Picture Save
PICTURE =100 (Max)
BRIGHTNESS=50 (Center)
COLOR_INDEX=1 (“High”)
DYNA_PICT=0
DC_TRAN=0
U_BACKLIGHT=10 (Max)
Default Save
ECO_MODE=1 (Standard)
Color Save
R_DRIVE=125
G_DRIVE=128
B_DRIVE=140
R_BKG=132
G_BKG=128
B_BKG=131
<high light adjustment value (9000K)>
KLV-21SR2
range
x
0.279
0.7JND
y
0.286
0.7JND
Y
–
N/A
<back ground adjustment value >
KLV-21SR2
range
x
0.275
0.9JND
y
0.272
0.9JND
Y
–
N/A
Page of 80
Display

Click on the first or last page to see other KLV-21SR2 (serv.man2) service manuals if exist.

RANDOM: