Sony KLV-26HG2 Service Manual ▷ View online
KLV-26HG2 (UC) 2-3E
2-2. White Balance Adjustment
2-2-1. White Balance of color temperature
“high”
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 2-5 until it is high and low light adjustment value.
7. Do “Color Save”
2-2-2. White Balance Adjustment of color
temperature “middle”
1. Set the COLOR_INDEX to 2 (Middle).
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.
<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
GAMMA=0
U_BACKLIGHT=10 (Max)
Default Save
ECO_MODE=1 (Standard)
Color Save
R_DRIVE=122
G_DRIVE=128
B_DRIVE=140
R_BKG=126
G_BKG=128
B_BKG=116
<high light adjustment value (9000K)>
KLV-26HG2
range
x
0.265
0.4JND
y
0.269
0.4JND
Y
–
N/A
<back ground adjustment value >
KLV-26HG2
range
x
0.267
0.9JND
y
0.274
0.9JND
Y
–
N/A
Setting of Color Temperature “Low”
Item
Formula 26
R_DRIVE Adjusted value of Color Temperature “High”
× 1.087
G_DRIVE Adjusted value of Color Temperature “High”
× 1.000
B_DRIVE Adjusted value of Color Temperature “High”
× 0.857
R_BKG
Adjusted value of Color Temperature “High”
× 0.981
G_BKG
Adjusted value of Color Temperature “High”
× 1.000
B_BKG
Adjusted value of Color Temperature “High”
× 1.016
Setting of Color Temperature “Middle”
Item
Formula 26
R_DRIVE Adjusted value of Color Temperature “High”
× 1.009
G_DRIVE Adjusted value of Color Temperature “High”
× 1.000
B_DRIVE Adjusted value of Color Temperature “High”
× 0.931
R_BKG
Adjusted value of Color Temperature “High”
× 1.012
G_BKG
Adjusted value of Color Temperature “High”
× 1.000
B_BKG
Adjusted value of Color Temperature “High”
× 1.005
2-2-3. White Balance Adjustment of color
temperature “low”
1. Set the COLOR_INDEX to 3 (Low).
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.
KLV-26HG2 (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
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
H2(2/2)
(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
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(2/2)
SCL_T
SDA_T
SCL B 5V
SDA B 5V
Q6450
Q6451
Q6452,Q6453
SYNC SEP
Q6454
BUFFER
CN9003
D-Y
D-PB
D-PR
DVI-MUTE
VGA
DVI-RST
2
4
6
8
9
10
Q2802
Q2535
Q2535
BUFFER
BUFFER
Q2801
Q2533
Q2533
Q2537
BUFFER
BUFFER
Q2538
Q2540-2542
BUFFER
Q2556,2557,2560
BUFFER
1
VID
MUTE
PMOD
MOD0
MOD1
BIL
ST
AFT
AGC
SYMDET
SDA T
SCL T
LINRE 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 A-2
Q6448
Q6449
Q6449
2
P_MUTE
UNREG33V
Q6448
Q6449
Q6449
D6448,6449
SYNC
C
U1
(INPUT TERMINAL)
LINRE MUTE
AUDIO L/R
Y/PB/PR/CCPSW/VID
Y/CB/CR
D-Y/D-PB/D-PR
LINRE MUTE
V3/LV3/RV3
TO UD BOARD
CN9302
H
TO A-3
TO A-3
Q9003
(AV SW)
KLV-26HG2 (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
CN3002
HP DET
NC
SP MUTE
HP MUTE
4
3
2
1
SP L GND
SP L OUT
SP R GND
SP R OUT
CN7002
L
R
SPEAKER
AUDIO R
AUDIO L
G
TO B-1 BOARD
CN1005
IC7002
HP AMP
AUDIO L
AUDIO R
3
2
1
HP-L
HP-R
HP-GND
CN7601
4
HP-DET
H2
(HEADPHONE)
J7601
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
PB
Y
PR2
PB2
Y2
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
D-PR
D-PB
D-Y
VID
MSAU R
MSAU L
CLAMP GATE
SYNC ON
CCP SW
CSW M
CSW V
AU SW2
AU SW1
SRS
1
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 A-1
PR
PB
Y
L/R
V3/LV3/RV3
V3
Q7400
Q7401
3
2
6
5
1
7
AUDIO L
AUDIO R
COMPARATOR
IC7400
MUTE
Q7005,7006
J7O04
Y/CB/CR
LINE MUTE
Y/PB/PR,CCP SW,VID
J9003
J9003
AUDIO
R
L
SW
IC2802
3
1
5
7
4
2
SW
IC2801
3
1
5
7
4
2
RV3
LV3
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
KLV-26HG2 (UC) 3-3
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4601
UNREG12V
UNREG12V
GND
GND
UNREG6V
UNREG6V
UNREG6V
GND
GND
GND
UNREG33V
GND
REG10.5V
GND
2
1
CN4605
REG16.5V
REG16.5V
25
24
23
22
CN2801(2/2)
POWER1
POWER2
POWER3
POWER4
IC4601
CONVERTER
24
VCC
STBY1
STBY2
OUT1_D
REG5V_IN
LIM
LL1
OUT1_u
LH2
OUT2_D
LL2
OUT2_U
INV2
FB2
POWER_GOOD
33V
AU12V
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
DVI-MUTE
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
TO B-1 BOARD
CN1007
A1-3
(POWER SUPPLY)
D3.3V
REG16.5V
16.5V
Q4604
2
P_MUTE
FROM A-1
FROM A-1
1
2
CN4501
IC4501
3.3V REG
1
5
2
4
2
1
3.3V
3.3V
CN4502
TO B BOARD
CN3002
MSB
(3.3V REG)
3
2
1
R
L
CN6002
F6000
IC6002
DRIVER
1
15
2
23
22
20
16
PROT
Q6001
Q6005
CONVERTER
CONVERTER
Q6006
T6003
PH6002
IC6005
5
7
7
6
5
2
1
UNREG 6V
UNREG 6V
UNREG 6V
UNREG 12V
UNREG 12V
CN6003
D6019
Q6003,Q6004
P-ON SW
1
2
4
3
3
4
2
1
PH6001
T6001
CN6006
POWER ON
STBY 5V
GND
3
1
4
Q6007
P-ON STOP
CONV.
IC6001
1
4
2
3
8
7
5
D6011
D6010
1
3
9
8
D6015
5
6
G1
(POWER SUPPLY)
AC100V
50/60Hz
L6003
D6000
14
13
12
11
L6004
+17V
F/B
D6006
Q6002
CONV.CONTROL
IC6003
VCC
OUT
IC6004
5V REG
UNREG 33V
11
REG 16.5V
13
2
1
REG 16.5V
REG 16.5V
CN6004
TO A-3 BOARD
CN4601
CN1009
TO B BOARD
10
9
T6002
11
12
13
8
9
10
D6015
D6018
D6020
D6017
D6021
D6022
5
7
D
TO LCD UNIT
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