Sony KLV-23HR2 (serv.man2) Service Manual ▷ View online
KLV-23HR2 (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
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>
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>
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-23HR2 (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.
2-1-6. Y signal AD calibration of DVI input.
1. Check “CP_CTRL” = 0
2. Set data as follows.
3. Input 0 IRE black full field with burst in video 4 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_DVI” command from ECS.
The Y_LEVEL_CCP2_04 registration of the DVI_D1 range
is adjusted automatic by this command.
Adjustment value also is copied in the DVI_D2, DVI_D3
and DVI_D4 range.
8. Check that the detection value of “PW_INPUT_Y” is within
the standard of the following column.
2-1-7. C signal AD calibration of DVI
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.
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>
full field>
Item
Standard
PW_INPUT_Y
195
±
2
<Video 3 input detection value average on 0 IRE black
full field>
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
<Setting data>
COLOR
25
DYNA_PICT
0 (OFF)
DC_TRAN
0 (OFF)
<Video 4 input detection value average on 0 IRE black
full field>
Item
Standard
PW_INPUT_Y
11
±
3
<Video 4 input detection value average on 100 IRE white
full field>
full field>
Item
Standard
PW_INPUT_Y
195
±
2
<Setting data>
COLOR
25
DYNA_PICT
0 (OFF)
DC_TRAN
0 (OFF)
KLV-23HR2 (UC) 2-3E
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_DVI” 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 DVI_D2, DVI_D3 and DVI_D4 range.
8. Check that the detection value of “PW_INPUT_CB” is
within the standard of thefollowing 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 .
<Video 4 input detection value average on 0 IRE black
full field>
full field>
Item
Standard
PW_INPUT_CB
128
±
5
<Video 4 input standard value on blue full field>
Item
Standard
PW_INPUT_CB
230
±
2
<Video 4 input standard value on blue full field>
Item
Standard
PW_INPUT_CR
230
±
3
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”
<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=124
G_DRIVE=128
B_DRIVE=129
R_BKG=129
G_BKG=128
B_BKG=125
<high light adjustment value (9000K)>
KLV-23HR2
range
x
0.282
0.7JND
y
0.291
0.7JND
Y
–
N/A
<back ground adjustment value >
KLV-23HR2
range
x
0.282
0.9JND
y
0.291
0.9JND
Y
–
N/A
2-2-2. White Balance Adjustment of color tem-
perature “natural”
1. Set the COLOR_INDEX to 2 (Natural).
2. Set the R_DRIVE, G_DRIVE, B_DRIVE, R_BKG, G_BKG,
and B_BKG to the following calculated value.
3. Perform the Color Save.
2-2-3.White Balance Adjustment of color tem-
perature “warm”
1. Set the COLOR_INDEX to 3 (Warm).
2. Set the R_DRIVE, G_DRIVE, B_DRIVE, R_BKG, G_BKG,
and B_BKG to the following calculated value.
3. Perform the Color Save.
4. After the adjustment, reset unsaved items (not included the
Color Save) to initial value.
Setting of Color Temperature “Warm”
Item
Formula 23
R_DRIVE Adjusted value of Color Temperature “Cool” x 1.033
G_DRIVE Adjusted value of Color Temperature “Cool”
B_DRIVE Adjusted value of Color Temperature “Cool” x 0.816
R_BKG
Adjusted value of Color Temperature “Cool” x 1.004
G_BKG
Adjusted value of Color Temperature “Cool”
B_BKG
Adjusted value of Color Temperature “Cool” x 1.081
Setting of Color Temperature “Natural”
Item
Formula 23
R_DRIVE Adjusted value of Color Temperature “Cool” x 1.024
G_DRIVE Adjusted value of Color Temperature “Cool”
B_DRIVE Adjusted value of Color Temperature “Cool” x 0.918
R_BKG
Adjusted value of Color Temperature “Cool” x 1.002
G_BKG
Adjusted value of Color Temperature “Cool”
B_BKG
Adjusted value of Color Temperature “Cool” x 1.036
KLV-21SR2 (UC) 3-1
3-1. BLOCK DIAGRMS
3. DIAGRAMS
10
9
8
7
6
5
4
3
2
1
CN6403
CN6401
DETOUT2
DETOUT
STLED
BILED
MODE
FMONO
MUTE
ROUT
LOUT
GND
1
2
3
4
5
6
7
8
9
10
GND
9V
30V
5V
SCL T
SDA T
GND
RF AGC
AFT
GND
Q6402
BUFFER
BUFFER
Q6403
Q641,6404,6406
BUFFER
9V
30V
5V
TU6400
TUNER
DET OUT2
L OUT
R OUT
MUTE
FMONO
MODE
BIL IND
ST IND
DET OUT
AFT OUT
RFAGC
SCL
SDA
VIDEO
AUDIO L/R
CN9202
1
2
3
4
5
6
7
8
9
10
C2
G
Y2
G
V2
G
S-2
LV2
RV2
G
AUDIO
R
L
VIDEO
S VIDEO
1
2
3
4
V
L
R
J9202
VIDEO 2
INPUT
U1
(INPUT TERMINAL)
6
5
4
3
2
1
CN9004
9
10
11
12
GND
L
R
MUTE
FMONO
MODE
BIL
STL
DETOUT
OUT2
1
2
3
4
5
6
7
8
9
10
GND
AFT
RF AGC
AGC DET(NC)
SDA
SCL
5V
30V
9V
GND
10
9
8
7
6
5
4
3
2
1
CN6450
CN6451
TV
LV2
C2
45
AV SW
COUT1
YOUT1
47
9
12
43
8
V2
Y2
10
IC2803
LV3 16
RV3 18
48 RTV
11 RV2
14 S2
S1
S2-1
7
6
RV1
4
3
Y1
V1
1
5
2
C1
LV1
LTV
46
AUDIO L
AUDIO R
VIDEO
SDA 27
SCL 26
ROUT1 41
LOUT1 39
VOUT2 33
15
V3
Y
C
9V
30V
5V
SCL_T
SDA_T
CR
16
14 C
CB
11
Y
8
IC2511
Y/V
9
6
Y/V OUT
CR OUT
SEL
3
CB/C OUT
5
Y
B-Y
AUDIO L/R
VIDEO
AUDIO R
AUDIO L
8
7
NC
C2
GND
Y2
GND
V2
GND
S-2
LV2
RV2
GND
NC
10
9
8
7
6
5
4
3
2
1
GND
RV1
LY1
S-1
GND
V1
GND
Y1
GND
C1
CN9007
S2-1
NC
NC
12
11
INPUT
VIDEO 1
J9201
R
L
V
4
3
2
1
S VIDEO
VIDEO
L
R
AUDIO
G
RV1
LV1
S-1
G
V1
G
Y1
G
C1
10
9
8
7
6
5
4
3
2
1
CN9201
(TUNER)
TU
20
19
17
16
14
13
11
10
8
6
5
4
3
2
1
CN2801
SCL_T
SDA_T
SCL B 5V
SDA B 5V
Q6450
Q6451
Q6452,Q6453
SYNC SEP
Q6454
BUFFER
Q2535
BUFFER
BUFFER
Q2533
Q2537
BUFFER
BUFFER
Q2538
Q2540-2542
BUFFER
Q2556,2557,2560
BUFFER
Q6456,Q6458
Q6459
BUFFER
1
VID
MUTE
MODE
F_MONO1
F_MONO2
BIL
ST
AFT
AGC
SYNDET
SDA T
SCL T
LINE_MUTE
DVI_RST
SCL B SW
SDA B SW
TO B BOARD
CN1007
2
7
12
CONT
Q2539
BUFFER
R-Y
CCP SW
SDA_B_5V
SCL_B_5V
A-1
TO A-2
Q6405
INV.
Y/CB/CR OUT
D-Y
D-PB
D-PR
R
L
L/R
LV3
RV3
V3
V3/LV3/\RV3
LINE_MUTE
DVI_RST
VGA
DVI_MUTE
10
9
8
CN9003
DVI_RST
VGA
DVI_MUTE
DVI_RST
LINE_MUTE
LINE_MUTE
LINE_MUTE
TO UD BOARD
CN3802
A
B
TO A-3
TO A-3
Click on the first or last page to see other KLV-23HR2 (serv.man2) service manuals if exist.