Sony KLV-23HR1 Service Manual ▷ View online
KLV-23HR1 (UC) 2-4
11. Adjust value of the AD_GAIN_D4_PB as follows with read-
ing 2 registers of sony_input_b_cb_min
and sony_input_ b_cb _max from the ECS.
12. Repeat step 2 to 11 until the detection set value in step 3 to 5,
7, 9 and 11 above are obtained.
13. Perform the Service Save.
2-6. Shift of each OFFSET value
Adjust the adjustment value to -3 against the following black
level adjustment register.
Reference
Adjustment
Adjustment
item
condition
register
sony_input_b_cb_min+sony_input_b_cb_max
230 ± 1 AD_OFFSET_D4_PB
2
sony_input_b_cb_min
230 -5
+0
sony_input_b_cb_max
230
-0
+5
2-7.White Balance Adjustment
• Set to PICTURE_MODE=2(Pro) and change to Register Set-
ting as follows.
• Input 22% All-gray signal into the video input.
Note: Perform the White Balance Adjustment with ECS.
2-7-1.White Balance Adjustment of color temperature
“Cool”
1. Set to PICTURE_MODE=2(Pro) and change to Register Set-
ting as follows.
2. Show 40%x25% Window pattern into video input.
3. Input 22% gray signal (above Window pattern).
4. Adjust the Color Temperature (R_BKG, B_BKG) to the fol-
lowing value.
5. Input 70% gray signal (above Window pattern).
6. Adjust the Color Temperature (R_DRIVE, B_ DRIVE) to the
following value.
7. Repeat step 1 to 4 until the detection set value in step 4 and 6
above are obtained.
8. When unadjusted, set G_DRIVE to 124 and retry from step 1.
9. Perform the Color Save.
Register
Save mode
ItemSetting
Setting
Picture Save PICTURE
100 (max)
BRIGHTNESS
50 (center)
COLOR_INDEX
1 (“Cool”)
DYNA_PICT
0 (off)
PW_HDPIC_ENABLE
0 (off)
GAMMA
0 (Pro standard)
PW_DCTRANS_ENABLE
0 (off)
U_BACKLIGHT
10 (max)
Default Save ECO_MODE
1 (standard)
Color Save
R_DRIVE
128 (initial value)
G_DRIVE
128 (initial value)
B_DRIVE
128 (initial value)
R_BKG
128 (initial value)
G_BKG
128 (initial value)
B_BKG
128 (initial value)
Item
Setting
x
0.275 ± 0.004
y
0.279 ± 0.004
Y
No object
Background Adjustment Standard
Item
Setting
x
0.264 ± 0.003
y
0.267 ± 0.004
Y
No object
High light Adjustment Standard
KLV-23HR1 (UC) 2-5E
2-7-2. White Balance Adjustment of color temperature
“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.
2-7-3.White Balance Adjustment of color temperature
“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 1.063
G_DRIVE Adjusted value of Color Temperature “Cool”
B_DRIVE Adjusted value of Color Temperature “Cool” x 0.791
R_BKG
Adjusted value of Color Temperature “Cool” x 0.984
G_BKG
Adjusted value of Color Temperature “Cool”
B_BKG
Adjusted value of Color Temperature “Cool” x 1.042
Setting of Color Temperature “Natural”
Item
Formula 23
R_DRIVE Adjusted value of Color Temperature “Cool” x 1.016
G_DRIVE Adjusted value of Color Temperature “Cool”
B_DRIVE Adjusted value of Color Temperature “Cool” x 0.884
R_BKG
Adjusted value of Color Temperature “Cool” x 1.000
G_BKG
Adjusted value of Color Temperature “Cool”
B_BKG
Adjusted value of Color Temperature “Cool” x 1.017
KLV-23HR1 (UC) 3-1
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
12
11
10
9
8
7
6
5
4
3
2
1
GND
GND
GND
GND
GND
GND
16.5V
16.5V
16.5V
16.5V
16.5V
16.5V
CN8605
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8402
SW
1
3
4
5
9
10
13
14
17
25
CN8602
D
TO G BAORD
(POWER SUPPLY)
A(1/2)
CN8803
LH
COMP
VREF5
19
OUT_u
18
CONVERTER
LL
OUT_d
17
14
13
17
13 VCC
VCC_SENSE
14
IC8401
L8610
F8601
F8602
F8401
SW
Q8401
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
INV
2
FB
3
D8401
10 STBY
1
2
TO 2/2
TO 2/2
3
STBY
10
D8420
3
FB
2
INV
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8418
SW
F8405
IC8404
14 VCC_SENSE
VCC
13
17
13
14
17
OUT_d
LL
CONVERTER
18
OUT_u 19
VREF5
COMP
LH
SW
Q8417
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
STBY5V
STBY5V
AU12V
24
23
22
21
18
DCIN ALERT
D3.3V
D3.3V
D3.3V
D5V
D5V
PANEL5V
PANEL5V
STBY5V
STBY5V
3.3V ALERT
5V ALERT
DIMMER
BACK LIGHT
PANEL DET
CN1003
TO B2 BOARD
F
16.5V
D8406
Q8621,8622
SW
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8405
SW
IC8402
6
CTSV_STBY
VCC
24
27
9
22
OUT1_D
POWERGOOD
CONVERTER
12
OUT1_u 29
STBY1
VREF5
SW
Q8407
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
F8403
5
6
7
D8432
IC8408(1/2)
21
REGSV-IN
28
LL1
17
OUT2_u
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
SW
Q8411
10 STBY2
4
TO 2/2
18
LL2
15
INV2
14
FB2
SW
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
OUT2_D 19
Q8409
VREF5V
Q8408
SW
7
1
3
5
6
2
4
8
G
S1
S2
S3
D4
D3
D2
D1
D1
D2
D3
D4
S3
S2
S1
G
8
4
2
6
5
3
1
7
SW
Q8404
3.3V ALERT
PANEL5V
PANEL5V
D5V
D5V
Q8406
9V
9V
D3.3V
D3.3V
14
13
2
9
LOAD
OUTB
OUTA
IC8601
DECODER
Y0
Y2
Y3 3
2
5
7
IC8602
1
A
B
7
IC8603
1
6
9
8
11
2
4
10
13
14
Q8625
INV
Q8624
INV
INV
Q8623
9
8
7
6
5
4
3
2
1
CN8606
BRTP-C
G
BRTP-B
BRTP-A
NC
BRT C
OLS
G
G
16.5V
D8606
Q8619
TO PANEL UNIT
INVERTER
3
2
1
PANEL DET(NC)
G
B/L VCC
CN8402
Q8413
3
2
1
D8431
D8434
VREF5V
IC8408(2/2)
C
TO G BOARD
CN8804
Q8627
16.5V
10
9
8
6
3
2
1
CN8603
DIMMER
BACK LIGHT
PANEL DET
D5V
16.5V
16.5V
16.5V
TO PANEL UNIT
INVERTER
16.5V
D5V
KLV-23HR1 (UC) 3-2
10
9
8
7
6
5
4
3
2
1
CN6401
CN6400
(TUNER)
TU
DETOUT2
DETOUT
STIND
BIIND
MODE
FMONO
MUTE
ROUT
LOUT
GND
1
2
3
4
5
6
7
8
9
10
GND
9V
30V
5V
SCL
SDA
AGC DET(NC)
RF AGC
AFT
GND
Q6402
BUFFER
BUFFER
Q6403
Q6401,6404,6405
BUFFER
9V
30V
5V
TU6400
TUNER
DET OUT2
L OUT
R OUT
MUTE
FMONO
MODE
BIL LED
ST LED
DET OUT
AFT
RFAGC
SCL
SDA
VIDEO
AUDIO L/R
CN9501
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
J9501
VIDEO 2
INPUT
U1
(INPUT TERMINAL)
G
RV2
LV2
S-2
G
V2
G
Y2
G
C2
6
5
4
3
2
1
CN9003
1
2
3
4
CN9004
INPUT
VIDEO 1
J9003
R
L
V
4
3
2
1
S VIDEO
VIDEO
L
R
AUDIO
Y2
V2
S2
LV2
RV2
Y1
C1
S1
V1
LV1
RV1
GND
LOUT
ROUT
MUTE
FMONO
MODE
BIIND
STIND
DETOUT
DETOUT2
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
CN6006
CN6007
BUFFER
Q6020,6011
SYNC,SEP
Q6025,6026
TV
LV2
C2
45
AV SW
COUT1
YOUT1
47
9
12
43
8
V2
Y2
10
IC3201
LV3 16
RV3 18
48 LTV
11 RV2
13
14
S2-1
S2
C2
S2-1
S1
S2-1
7
6
RV1
4
3
Y1
V1
1
5
2
C1
LV1
S2-1
RTV
46
AUDIO R
AUDIO L
VIDEO
SDA 27
SCL 26
ROUT1 41
LOUT1 39
VOUT2 33
15
V3
Q3209,2019,2018
FL2004
LPF
Y
C
LPF
FL2003
Q3207,2016,2012
Q2014
BUFFER
Q2011,2013,2015
SYNC SEP.
9V
30V
5V
60
SDA
59
SCL
XO
48
96 ACI
XI
47
50 FSCO
52 FSCI
CSI
76
IC2004
AYI
88
84
AYO
RSTB
3D COMB FILTER
57
Y
Q2002
OSC
X2001
20MHz
C
ACO 83
Q2004,2005,2008
Q2010,2022
FL2002
L-P.F
Q2003,2006,2007
Q2009,2023
FL2001
L-P.F
Y
C
Q3210,-3212
BUFFER
YOUT
COUT
3DRST
AUDIO L/R
A(2/2)-1
VIDEO
AUDIO R
AUDIO L
TO
A(2/2)-2
SDA_B_5V
SCL_B_5V
SDA_B_5V
SCL_B_5V
Q6060
Q6062
Q6011
Q6063
SYNC DET
STLED
BILED
FMONO1
FMONO2
MUTE
INV
INV
INV
MUTE
AFT
SDA TU
SCL TU
AGC
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