Sony KLV-23M1 Service Manual ▷ View online
KLV-23M1 (UC) 2-3E
3.
Adjust W/B in the R_DRIVE and B_DRIVE modes to the
specified highlight adjustment values below.
specified highlight adjustment values below.
Format
Item
Setting
Cool
Neutral
Warm
Color Save
R_DRV
134
137
142
G_DRV
128
128
128
B_DRV
139
133
120
R_BKG
110
110
110
G_BKG
128
128
128
B_BKG
110
110
115
4.
Input the 1080i 20% all-gray signal from the Video 4 input.
Control and adjust the SG level so that Y becomes 10Nit.
Control and adjust the SG level so that Y becomes 10Nit.
5.
Adjust W/B in the R_BKG and B_BKG modes to the
specified background adjustment values below (when Y =
10Nit) .
specified background adjustment values below (when Y =
10Nit) .
23”
Tolerance
H/L
C/O
x
0.269
0.269
H/L 1.0JND
y
0.268
0.268
C/O 1.5JND
Y
Not specified
20
C/O 1
6.
Adjust W/B while tracking steps 1 to 5 so that the above
specifications are completely satisfied.
specifications are completely satisfied.
7.
Perform Color Save.
2-4-2. White balance adjustment of color
temperature “Neutral”
1.
Set COLOR_INDEX = 2 (Neutral) .
2.
Adjust the value of R_DRIVE, B_DRIVE, R_BKG and
B_BKG to the specification below in the same steps as color
temperature “Cool” of 2-4-1.
B_BKG to the specification below in the same steps as color
temperature “Cool” of 2-4-1.
23”
Tolerance
H/L
C/O
x
0.277
0.277
H/L 1.0JND
y
0.278
0.278
C/O 1.5JND
Y
Not specified
20
C/O 1
3.
Perform Color Save.
2-4-3. White balance adjustment of color
temperature “Warm”
1.
Set COLOR_INDEX = 3 (Warm) .
2.
Adjust the value of R_DRIVE, B_DRIVE, R_BKG and
B_BKG to the specification below in the same steps as color
temperature “Cool” of 2-4-1.
B_BKG to the specification below in the same steps as color
temperature “Cool” of 2-4-1.
23”
Tolerance
H/L
C/O
x
0.296
0.296
H/L 1.0JND
y
0.300
0.300
C/O 1.5JND
Y
Not specified
20
C/O 1
3.
Perform Color Save.
4.
After adjustment, restore the setting of the registers that are
not saved by Color Save to their default setting.
not saved by Color Save to their default setting.
KLV-23M1 (UC) 3-1
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
10
9
8
7
6
5
4
3
2
1
CN6403
CN6401
OUT2
DETOUT
STLED
BILED
MODE
FMONO
MUTE
R
L
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
Q6401,6404,6406
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
GND
Y2
GND
V2
GND
S-2
LV2
RV2
GND
AUDIO
R
L
VIDEO
S VIDEO
1
2
3
4
V
L
R
J9202
VIDEO 2
INPUT
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
LV4 22
RV4 24
48 RTV
11 RV2
14 S2
S1
S2-1
7
6
RV1
4
3
Y1
V1
1
5
2
C1
LV1
LTV
LV3
RV3
46
AUDIO L
AUDIO R
VIDEO
SDA 27
SCL 26
ROUT1 41
LOUT1 39
VOUT2 33
15
V3
Y
C
9V
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
GND
RV1
LV1
S-1
GND
V1
GND
Y1
GND
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(2/2)
SCL_T
SDA_T
SCL B 5V
SDA B 5V
Q6450
Q6451
Q6452,Q6453
SYNC SEP
Q6454
BUFFER
SCLK
LEVEL
SHIFT
SCL B 5V
SDA B 5V
RESET
SDAT
R
L
PR
Y
PB
3
7
1
2
8
10
12
14
Q2802
Q2535
Q2535
BUFFER
BUFFER
Q2801
Q2533
Q2533
Q2537
BUFFER
BUFFER
Q2538
Q2540-2542
BUFFER
Q2556,2557,2560
BUFFER
1
VID
MUTE
M0DE
F_MONO 1
F_MONO 2
BIL
ST
AFT
AGC
SYNDET
SDA T
SCL T
LINE MUTE
DVI-RST
SCL B 5V
SDA B 5V
TO B-1 BOARD
CN1007
2
7
12
CONT
Q2539
BUFFER
R-Y
CCP SW
SDA_B_5V
SCL_B_5V
A1-1
TO A1-2
Q6448
Q6449
Q6449
2
P_MUTE
UNREG33V
Q6448
Q6449
Q6449
D6448,6449
SYNC
C
LINE MUTE
Q9002
Q9003
Q9003
AUDIO L/R
Y/PB/PR/CCPSW/VID
Y/CB/CR
D-Y/D-PB/D-PR
DVI-RESET
LINE MUTE
V3/LV4/RV4
TO P BOARD
CN9302
CN9003
H
(AV SW)
U1
(INPUT TERMINAL)
16
18
KLV-23M1 (UC) 3-2
BASS/TREBLE
VOL LOUD/ ATT
3
5
14
13
10 11
AUDIO CONTROL
IC7003
L
R
AUDIO L/R
Y/C
5
6
3
2
7
1
7
1
6
5
2
3
42
41
30
29
22 23 26
IC7011
AP
INL
INR
OUTL
OUTR
MODE
AUDIO L
AUDIO R
COMPARATOR
IC7009
MUTE
Q7001,7002
6
5
7
4
3
2
1
CN2802
HP DET
NC
SP MUTE
HP MUTE
4
3
2
1
SP L GND
SP L OUT
SP R GND
SP R OUT
CN7002
R
L
SPEAKER
AUDIO R
AUDIO L
G
TO B-1 BOARD
CN1005
IC7002
HP AMP
AUDIO L
AUDIO R
4
3
6
HP-L
HP-R
HP-GND
CN9008(1/2)
5
HP-DET
H1
(HEADPHONE)
J9004
HEADPHONE
AUDIO R
AUDIO L
HP MUTE
INPUT2
COMPONENT
J9002
AUDIO
R
L
JIN1-3
IN1-1
AV SW2
IC2505
25
35
33
34 IN1-2
26
27
HOUT 22
SCL 30
31
SDA
23
VOUT
20
IN2-2
42
41
43
IN2-1
IN2-3
PR-1
PB-1
Y-1
PR-2
PB-2
Y-2
X2502
4MHz
SCL_B_5V
SDA_B_5V
Q2558,Q2559
LEVEL SHIFT
17
CLAMP SW
16
YG IN
2
3
1
5
6
4
9
8
10
12
11
13
2
4
6
8
10
12
14
15
16
17
18
19
20
21
22
23
24
25
PR
PB
Y
VID
MSAU R(NC)
MSAU L(NC)
CLAMP GATE
SYNC ON
CCP SW
CSW M
CSW V
AU SW2(NC)
AU SW1(NC)
SRS
CSW H
CSW V
SYNC
Q2502,Q2503
IC2506
Q7011
SRS
1
2
3
7
5
6
1
3
2
Q7003
9V
IC7004
FILTER W
FILTER W
IC7005
CROUT
CBOUT
YOUT
CN7001
A1-2
(AV SW,AUDIO AMP)
SCL_B_5V
SDA_B_5V
HP DET
TO A1-1
PR
PB
Y
L/R
V3/LV4/RV4
V3
LV4
RV4
Q7400
Q7401
3
2
6
5
1
7
AUDIO L
AUDIO R
COMPARATOR
IC7400
MUTE
Q7005,7006
J7400
Y/CB/CR
LINE MUTE
Y/PB/PR,CCP SW,VID
J9003
AUDIO
AUDIO OUT
(VAR/FIX)
R
L
D-Y/D-PB/D-PR
IC7007
AUDIO AMP
8
1
5
AUDIO L
10
OUT2
OUT1
AUDIO R
IN+
INV2+
SP MUTE
Q7007,7005
3
Q7018
Q7019
2
P_MUTE
7
5
6
1
3
2
IC7006
MIX
Q7020
R-Y
B-Y
Y
1
KLV-23M1 (UC) 3-3
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4601
UNREG16.5V
UNREG16.5V
GND
GND
UNREG6V
UNREG6V
UNREG6V
GND
GND
GND
UNREG33V
GND
REG16.5V
GND
2
1
CN4605
16.5V
16.5V
25
24
23
CN2801(2/2)
POWER2
POWER3
POWER4
IC4601
CONVERTER
24
VCC
STBY1
STBY2
OUT1_D
REG5V_IN
INV 1
FB 1
LIM
LL1
OUT1_u
LH2
OUT2_D
LL2
OUT2_U
INV2
FB2
POWER_GOOD
UNREG33V
AU16.5V
IC4603
5V REG
VCC
OUT
Q4602
SW
G
S1
S2
S3
D1
D2
D3
D4
27
4
1
2
3
5
6
7
8
Q4601
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q4603
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q4605
SW
G
S1
S2
S3
D1
D2
D3
D4
1
2
3
4
5
6
7
8
L8602
IC4602
9V REG
VCC
OUT
1
2
21
30
28
29
16
19
18
17
15
14
12
Q4606
L4601
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4603
D3.3V
D3.3V
D3.3V
D3.3V
GND
GND
GND
D5V
9V
GND
PANEL12V
PANEL12V
GND
GND
VGA(NC)
DVI-MUTE(NC)
GND
GND
3.3V_ALERT
5V_ALERT
DCIN_ALERT
GND
DIMMER
BACKLIGHT
PANEL_DET
5
4
3
2
1
CN4604
DIMMER
BACKLIGHT
PANEL_DET
GND
D5V
D4612
D4611
+9V
+12V
PS4601
9
10
B
TO B-1 BOARD
CN1003
TO LCD PANEL
TO G1 BOARD
CN6003
C
A
TO B-1 BOARD
CN1007
TO P BOARD
CN5002(
5)
A1-3
(POWER SUPPLY)
D3.3V
REG16.5V
16.5V
Q4604
2
P_MUTE
16.5V
16.5V
9V
1
2
3
CN4500
IC4500
9V REG
VOUT
VIN
2
1
5
PB
(9V REG)
PS4602
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