Sony KE-50XS910 Service Manual ▷ View online
KE-50XS910 (UC) 2-1E
SECTION 2
ADJUSTMENTS
2-1. White Balance Adjustment
• Measurement equipment
1.Color analyzer (CA-100 manufactured by MINOLTA)
2.Signal generator (ASTRO DESIGN VG-828D)
2.Signal generator (ASTRO DESIGN VG-828D)
• Measuring procedure
1.Dab the W/B adjustment jig (CA-100) at the glass face of the
panel.
2.Connect the Signal generator (VG-828D) to the DVI terminal.
3. Input All-white signal (70%).
4. Make the settings as follows.
panel.
2.Connect the Signal generator (VG-828D) to the DVI terminal.
3. Input All-white signal (70%).
4. Make the settings as follows.
• set the quality mode to PRO.
• Set the PICTURE to MAX.
• SEt the color temp. be adjusted cool.
• Set the PICTURE to MAX.
• SEt the color temp. be adjusted cool.
5. Execute the following control with UART control from the
JIG PC.
JIG PC.
5-1. Set as follows:
R_GAIN_OFFSET = 31
G_GAIN_OFFSET = 31
B_GAIN_OFFSET = 31
(Unnecessary because NVM has been set)
G_GAIN_OFFSET = 31
B_GAIN_OFFSET = 31
(Unnecessary because NVM has been set)
5-2. Set as follows:
R_BIAS_OFFSET = 31
G_BIAS_OFFSET = 31
B_BIAS_OFFSET = 31
(Unnecessary because NVM has been set)
G_BIAS_OFFSET = 31
B_BIAS_OFFSET = 31
(Unnecessary because NVM has been set)
5-3. Set as follows:
SUBBRIGHT_R = 920
SUBBRIGHT_G = 880
SUBBRIGHT_B = 950
(Unnecessary because NVM has been set)
SUBBRIGHT_G = 880
SUBBRIGHT_B = 950
(Unnecessary because NVM has been set)
5-4. Set RKOF = 0, GKOF = 0, BKOF = 0.
5-6. Adjust RKOF and BKOF with the color values inTable
2 as the target.
5-7. When RKOF and BKOF cannot be adjusted:
(a) Return the smaller one of the adjusted values to 0.
(b) Readjust with the larger value and GKOF.
(b) Readjust with the larger value and GKOF.
5-8. When the following item is not satisfied after the above
adjustmetn, fix the smallest adjustment value at 0 and
readjust with the rest of two values.
(a) At least one of the value among RKOF, GKOF and
BKOF is 0.
readjust with the rest of two values.
(a) At least one of the value among RKOF, GKOF and
BKOF is 0.
5-9. Write the values determined as a result of the above
adjustment into RKOF, GKOF and BKOF.
5-10. Adjust PDRV_SUBCONT_R and
PDRV_SUBCONT_B with the color values among the
specified values in Table 1 as the target.
specified values in Table 1 as the target.
5-11. When there is a value that exceeds 512 after the
adjustment.
(a) Return the larger one of the adjusted values to 512.
(b) Readjust with the smaller value and
PDRV_SUBCONT_G.
(a) Return the larger one of the adjusted values to 512.
(b) Readjust with the smaller value and
PDRV_SUBCONT_G.
5-12. When the following items are not satisfied after the
above adjustment, fix the largest adjustment value at
512 and readjust with the rest of two values.
(a) All PDRV_SUBCONT_R, PDRV_SUBCONT_G
and PDRV_SUBCONT_B do not exceed 512.
(b) At least one of the value is 512.
512 and readjust with the rest of two values.
(a) All PDRV_SUBCONT_R, PDRV_SUBCONT_G
and PDRV_SUBCONT_B do not exceed 512.
(b) At least one of the value is 512.
5-13. Write the values determined as a result of the above
adjustment into PDRV_SUBCONT_R,
PDRV_SUBCONT_G and PDRV_SUBCONT_B.
PDRV_SUBCONT_G and PDRV_SUBCONT_B.
W/B standardized values:
6500K+8MPCD
8000K+8MPCD
9300K+8MPCD
10000K
13550K
W/B
0
1
2
3
4
X
0.3133
±0.003
0.2944
±0.003
0.2838
±0.003
0.2806
±0.003
0.2684
±0.003
Y
0.3297
±0.003
0.3100
±0.003
0.2981
±0.003
0.2883
±0.003
0.2700
±0.003
W/B
X
Y
COOL
13550K
NUETRAL
WARM
9300K+8MPCD
8000K+8MPCD
Comparison Table between the Color Temp name
and the adjustment color temperature:
and the adjustment color temperature:
5-5. Set as follows:
PDRV_SUBCONT_R = 512
PDRV_SUBCONT_G = 512
PDRV_SUBCONT_B = 512
(Unnecessary because NVM has been set)
PDRV_SUBCONT_G = 512
PDRV_SUBCONT_B = 512
(Unnecessary because NVM has been set)
6500K+8MPCD
8000K+8MPCD
9300K+8MPCD
10000K
13550K
W/B
0
1
2
3
4
X
0.3133
±0.004
0.2944
±0.004
0.2838
±0.004
0.2806
±0.004
0.2684
±0.004
Y
0.3297
±0.004
0.3100
±0.004
0.2981
±0.004
0.2883
±0.004
0.2700
±0.004
W/B
X
Y
Table 2:Target Color Values when adjusting
RKOF/GKOF/BKOF
6. Execute the following items with UART control from the
JIG PC.
6-1. Execute the method 3 with Color Temp. set to
neutral.
6-2. Execute the method 3 with Color Temp. set to
6-1. Execute the method 3 with Color Temp. set to
neutral.
6-2. Execute the method 3 with Color Temp. set to
warm.
7. Take off the W/B adjustment jig (MINOLTA, CA-100)
from the glass surface.
KE-50XS910 (UC) 3-1
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAMS
61 D2_R
59 D2_L
62 D1_L
64 D1_R
15 V1
17 Y1
19 C1
16 LV1
18 RV1
21 S1
8
10
12
9
11
14
V3
Y3
C3
LV3
RV3
S3
22
24
26
23
25
28
V2
Y2
C2
LV2
RV2
S2
56
SUB_Y_OUT
58
SUB_C_OUT
52
54
SUB_L_OUT
SUB_R_OUT
44
MAIN_YV_OUT
47
MAIN_C_OUT
12
10
2
SW_SUB_L
4
SW_SUB_R
43
45
MAIN_L_OUT
MAIN_R_OUT
9
SW_M_L
11 SW_M_L
Q8204,8231
Q8202,8230
Q8208,8233
Q8232,8207
IC8230
IC8200
AV SW2
47
44
MAIN_COUT
Q8206
Q8205
56
58
SUB_COUT
45
62 MS_L
64 MS_R
29 DVI_L
31 DVI_R
1
IN3-1
2
IN3-2
3
IN3-3
41 IN2-1
42 IN2-2
43 IN2-3
7
8
9
30
31
IN4-1
IN4-2
IN4-3
SCL
SDA
27
SELYOUT
26
SELCBOUT
25
SELCROUT
43
SEL_L OUT
IC8400
8
9
6
7
11
14
5
12
16
1
3
2
Q8412
Q8411
Q8410
Q8407
SW
BUFFER
BUFFER
BUFFER
IC8402
VIDEO SW
X8400
20
EXTCLK/XTAL
AV SW1
(AV SW,COMPONENT-I/F,TUNER,AUDIO AMP)
SUB_YOUT
SEL_R OUT
A1
MAIN_YOUT
Q8201
SCL
SDA
VIDEO2
S VIDEO
VIDEO
L
R
AUDIO
AUDIO
R
L
VIDEO
S VIDEO
VIDEO1
IN
HD/DVD
Y
PB
PR
L
R
L
R
PR
PB
Y
1
2
3
4
1
2
3
4
J8232
J8230
J9404
J8231
J8234
3P
3P
2P
R2
L2
V2
C2
Y2
S2-2
S_SW2
11
9
7
5
3
2
1
CN8232
D_PR
D_PB
D_Y
4
6
8
10
CN8403
TO UD BOARD
CN7004
F
COMPONENT-I/F
33
34
SCL
SDA
12C_MAIN
SCL
SDA
3
5
18
SW_S_Y
SW_S_C
SW_M_Y
SW_M_C
33
34
SCL
SDA
SCL
SDA
12C_MAIN
Q8200
J9401
BUS BUFFER
64
LIN
11
AOUTR
10
AOUTL
PDN
13
12
11
IC8503
2
LRCK
2
3
6
MLK
4
5
6
3
BCK
10
9
4
SDAT
1
63
RIN
IC8805
SURRUOND
16
OUTB
3
2
6
5
1
7
-
-
+
+
IC8806
2
3
5
6
1
7
+
+
-
-
IC8804
36
OUTA
IC8609
D/A CONV.
12
13
11
+
-
4
5
6
10
9
8
IC8603
5
SLC
6
SDA
30 MCK
32LRCKO
31
DATAI
10
11
XI
XO
X8600
36.864Hz
Q8600
LEVEL SHIFT
SCL
SDA
25
BCKO
IC8607
11
MCK
10
LRCK
2
AINL
1
AINR
12
9
BCK
SDTO
3 DATAO
BUFFER
IC8606
A/D CONV.
L OUT
R OUT
DET OUT 2
F MONO
MODE
TU8001
DET OUT
AFT OUT
SCL
SDA
RF AGC
INVERTER
Q8002
SCL
SDA
VIDEO
AUDIO R
AUDIO L
SAP IND
16
15
RF_MAIN_R
RF_MAIN_L
RF_MAIN_V
13
RESET
+9V
Q8810
1
5
6
7
IC8803
3
2
1
-
+
5
6
7
-
+
IC8802
BUFFER
3
2
1
-
+
5
6
7
-
+
IC8801
BUFFER
6
5
1
-
+
2
3
7
-
+
IC8800
BUFFER
WOFFER
L
R
Q8806
MUTE
Q8803,8804
MUTE
J8236
VIDEO
AUDIO R
AUDIO L
VIDEO
VIDEO
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AFT1
INVERTER
Q8006
M_HSYNC
AMP
Q8005
BUFFER
Q8210
V1
Y1
Y1
C1
S_SW1
V1
R1
L1
C3
Y3
V3
R3
L3
S_SW3
C1
L1
R1
S_SW1
V3
Y3
C3
L3
R3
S_SW3
V2
Y2
C2
L2
R2
S_SW2
R2
L2
V2
C2
Y2
S_SW2
D5V
Y
CB
CR
CR
CB
Y
13
PDN
5
22
23
SDA
SCL
SDA
SCL
BUFFER
BUFFER
SIRCS IN
SIRCS OUT
Q8234-8240
TO H2 BOARD
CN9601
E
A
CN1804
TO J1 BOARD
TO UD BOARD
CN7002
CN9501
TO H1 BOARD
UD_BINT
SDA
SCL
STBY5V
KEY1
P-ON
P-SW(-)
KEY-WAKE
SET3.3V
SET2.5V
SET2.5V
SET1.8V
SET1.8V
14V
FAN_ERR
FAN
MAIN_YV_OUT
MAIN_CB/C_OUT
MAIN_CR_OUT
SUB_YV_OUT
SUB_CB/C_OUT
MA_L_IN
MS_R_IN
DVI_RST
DVI_VGA
UD_BINT
UD_SCL
UD_SDA
SCL_MAIN
SDA_MAIN
SIRCS
LINE_MUTE
WOOFER_MUTE
SP_MUTE
SP_DC_PROT
CV_COMP_SW
ANT_MS
MAIN_HSYNC
MAIN_AFT
AGC
O-SAP
I-SAP
FMONO
KEY
KEY_WAKE
P-ON
P-SW(-)
DVI_MUTE
SET5V
MAIN_SLICER_Y
SUB_SLICER_Y
STBY5V
7V
10V
10V
2
3
4
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
A11
B11
A12
B12
A13
B14
B15
B16
B17
B18
A20
B20
A22
B22
A24
A26
B26
A28
B28
B35
A36
B36
B37
A38
B38
B39
A40
B40
B41
A42
B42
B43
B44
B48
B49
A50
B50
2
3
4
5
6
CN8004
CN8001
CN8005
AGC
O-SAP
I-SAP
FMONO
AFT1
M_HSYNC
8
AUDIO PROCESSOR
12C_MAIN
IC8600
RES
+2.5V
1
2
RESET
VCC
Q8203
12C_MAIN
SYNC SEP
Q8003
2P
12C_MAIN
5V
DVI_RST
VGA
MUTE
1
2
3
Q8011
Q8013
Q8012
Y
PR
PB
DVI-HDTV
L
R
Q8402,8405
Q8401,8404
Q8400,8403
2
3
6
5
1
7
-
-
+
+
IC605
2
3
5
6
1
7
+
+
-
-
IC8604
IC9301
AUDIO R
AUDIO L
BUFFER
BUFFER
5
6
1
-
+
AUDIO L
3
2
1
-
+
AUDIO R
IC8602
BUFFER
CN3001
TO K BOARD
R-
L-
L+
SP_MUTE
R+
1
2
4
5
7
CN8601
TO ANT SW
MS1
9V
MS2
1
3
4
CN8003
TO FAN
FAN1
FAN2
DRV2
FAN3
DRV1
2
3
5
6
8
CN8005
SP_DC_PROT
8
STBY5V
LATCH
MUTE
Q8801,8802,Q8805
MUTE
Q8807-Q8809
SCL
SDA
12C_MAIN
12C_MAIN
LINE_MUTE
WOOFER_MUTE
SET9V
VIDEO
Q8413
1
1
STBY5V
OUT
9V REG
VCC
IC8405
SET9V
OUT
5V REG
VCC
IC8404
SET5V
DVI5V
VOUT
1.8V REG
VIN
IC8003
1
3
+14V
SET3.3V
Q8008
STBY5V
DRV3
FAN4
DRV4
9
11
12
+14V
VOUT
FAN DRIVE
VIN
IC8002
1
3
VC
2
+14V
Q8001,8010
B
C
D
3-2 KE-50XS910 (UC)
DE3
LATCH
Q4414
Q4413,4415
4
VOLTAGE CONVERT
IC4306
2
1
Q4404
Q4406
6
10
12
8
IC4406
BUS-SW
BUS-SW
11
9
X4401
16MHz
POWER LEDP 47
STB-LED 46
TIMER LED 45
AC-RLY 44
D-OVP 49
15
XIN
13
XOUT
MP WRN
SIRCSIN
7
78
OSDH1OUT
1
2
66.1565M
X4400
3.3V
Q
CK
3
5
IC4405
FF
TRANSCEIVER
IC4400
9
5
7
3
YS
YM
B2
B1
B0
G2
G1
G0
R2
R1
R0
79 FMONO
25 MAIN-HIN
19 AGC_ATT
73 O_SAP
74 I_SAP
93 MAIN AFT
OSDOSC
17
OSD-V
64
OSD-H
62
22
21
11
89
34
10
90
33
5
89
32
43 BOX_RST
CV_COMP_SW
37
B_INT
81
RESET
12
Q4426,4427
Q4411
38
NVM-RST
DAT0
30
29 CLK0
IC4410
ANALOG-UCOM
DAT1
31
28 CLK1
59
3
4
40
BUS-SW1
TXD-PDP
RXD-RDP
8
SA0
7
WP
DAT
CLK
6
5
NVM
IC4408
TO J1 BOARD
CN1805
G
75
94
58
FAN-ILG-PROT
67
LINE-MUTE
Q4407-4409
D4407
77
KEY 1
NC
POWER LED
5
3
4
13
1
2
9
CNVSS
35
36
4
IC4404
01VS
01VS
B5-B7
G5-G7
R5-R7
IC4407
4
RESET
BUS-SW2
41
LATCH
Q4401,4403,4405
50 ATSC_OVP
ON/OFF
20
MAIN
65
ANT-M
1
IC4401
SELECTOR
6
7
5
LATCH
Q4402
LATCH
Q4419
Q4421
E
63
RESET DL
Q4424,4425
IUNVERTER
88
86
87
DVI-VGA
DVI-RST
DVI-MUTE
Q4417,4420
ATSC-RXD
ATSC-TXD
85 SUBW-MUTE
UD_SDL
UD_SCL
UD_BINT
MAIN_SLIDER_Y
SUB_SLIDER_Y
DVI_MUTE
DVI_RST
SYSTEM_RST
KEY-WAKE
/BOX-RST
GRANT
SET1.8V
SET5V
SET3.3V
SET3.3V
SET2.5V
SET2.5V
STBY5V
VPR2
ATSC-OVP
D-OVP
AC_RLY_LINK
TEMP1
P-ON
AC_RLY_STBY
AC_DET
TEMP2
TEMP0
FAN-ERR
FAN
SCL
SDA
BINT
TV_RXD
TV_TXD
RESET
VP
KEY
LOGO_LED
PICOFF_LED
TIMER_LED
ILINK_LED
STBY_LED
P_LED
FMONO
I_SAP
O_SAP
AGC
MAIN_AFT
MAIN_HSYNC
ANT
CV_COMP_SW
SP_DC_PROT
SP_MUTE
WOOFER_MUTE
LIME_MUTE
SIRCS
DVI_VGA
USB-N
USB-P
B1
A2
B3
A4
B4
A5
B5
A6
A7
A8
B8
A9
B9
B10
A11
A12
B12
A13
B13
A14
B14
B15
A16
B16
A17
B17
A18
A19
B19
A20
B21
A22
B24
A25
B25
A26
B27
A28
B28
B29
A30
B30
B37
A38
B38
A39
B39
B40
A41
B41
A42
B42
B43
B44
B45
B46
B47
B48
B49
B50
CN4100
CN2401
TO J2 BOARD
UD_BINT
UD_SCL
UD_SDL
B-INT
SDA
SCL
RXD-JIG
TXD-JIG
JIG
SW-1
RESET
EPM
BUSY
SCLK
RXD
TXD
CE
CNVSS
1
2
3
5
6
7
8
9
10
11
12
13
14
16
17
18
19
20
CN4401
SET2.5V
SET3.3V
STBY5V
SET5V
SET1.8V
13
D4411
Q4416
BUFFER
Q4410
BUFFER
13
Q4418,4422
Q4423,4428
Q4423,4428
Q4429
MUTE
SCL
SDA
ATSC_GRANT
52
48
D4413
69 SP MUTE
D4409
11
SET3.3V
99
100
15
16
((1/2)CPU)
SIRCS
OVP
AC_RLY
RXD
TXD
KEY-WAKE
KEY
Q4100
SHIFT
LEVEL
1
22
SCL
SDA 21
D/A CONV.
IC4100
7
A07
A01
SW3.3V
ANT-M
POWER_LED
12C-DEV
CVIN1
CVIN2
CV_COMP_SW
B_INT
AC RLY
OVP
ANT-M
POWER LED
SIRCS
KEY-WAKE
11
17
SCL
SDA
12C-DEV
12
KE-50XS910 (UC) 3-3
R1I-R7I
VS1
187
HSCS1
182
CLKI1
181
DE1
171
DCK
IC3501(1/2)
CPU
TO
PDP UNIT
IC3801
LVDS TRANSMITTER
CLKO
DEO
HSO
VSO
8
8
8
G1I-G7I
B1I-B7I
RV10
RV-17
GY10
GY17
BU10
BU17
RAO0
RAO9
GAO0
GAO9
BAO0
BAO9
R0-R9
10
10
10
G0-G9
B0-B9
INTVS0
CL_X
INTVS2
INTVS1
PLLBP
17
A0-A11
BAO,BA1
DQOO
DQ31
DM0
DM3
IC3602
DDR SDRAM
32
12
4
DQS
CSN
PASN
CASN
WEN
DQS
CS
PAS
CAS
WE
8
43
44
18
67
94
28
27
26
25
DM0
DM3
DQOO
DQ31
A0-A11
BA0,BA1
IC3603
3.3V
MREF
REG
58
VREF
2,4
6
IN
EXTREF
2.5V
E11
426
399
427
373
454
OFPARITY
BA0,1
BA0,1
94
2
IFLD0
428
292
50
183
54
27
IC3802
Q4000,4001
SDA
SCL
VOUT
HOUT
CLCK
GBRCLK
RST-X
CONVERTER
LEVEL
IC3804,3805
4
RESET
56
160
159
61
63
68
188
CBOUT9
CBOUT2
CGOUT9
CGOUT2
CROUT9
CROUT2
3.3V
X4000
24M
BUS 172
53
41
35
38
32
24
28
20
26
46
OSD1VOUT
OSD1HOUT
YS1
YM1
OSDIBIN5
OSDIBIN7
OSDIGIN7
OSDIGIN5
OSDIRIN7
OSDIRIN5
C
Y
C
Y
IC3806
CLK
199
INV
IC3903
2
1
3.3V
196
204
192
200
106
111
157
158
129
125
130
140
136
137
148
147
149
169
183
185
189
166
191
165
164 HIN
VIN
37
35
54
53
29
30
32
38
34
33
RXOUT27
7
2
26
49
50
51
47
45
43
12
15
16
17
18
19
20
RECEIVER
39
RXCLKOUT
11
10
9
RXOUT23
41
CN3801
RXIN0-
RXIN0+
DRAIN
RXIN1-
RXIN1+
DRAIN
RXIN2-
RXIN2+
DRAIN
RXCLK-
RXCLK+
DRAIN
RXIN3-
RXIN3+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TO
PANEL
BLOCK
4
R5-R7
G5-G7
B5-B7
YS/YM
26
25
SO0
SI0
76
RESET
16
INTVS1
18
68
INTVS0
SW-2
17
INTVS2
IC3401
PANEL MCU
(MCU,CPU)
DE3(2/2)
TXD0
RXD0
IC3629
RESET
VOUT
4
A0-A19
A1-A20
D0-D15
IC3403
FLASH MEMORY
WE
1-9
16-25
48
16-25
48
11
RY/BY
15
OE
28
CE
26
A1-A12
81
70
71
72
59
79
D00-D15
5
6
7
IC4001
EEPROM
SCL
SDA
WP
49
47
48
42
46
SDA20
SCL2O
SCL2I
SDA2I
NVM WP
A1-A20
D0-D15
1-4
111-118
103-109
X3401
10.5MHz
53
XI
54
XO
85-100
38-45
29-36
CS1
AS
RD
WR0
WR1
CS0
MCLK
58
40
RY/BY
CPUA1-12
CPUD0-15
371
396-398
423-425
452,453
478-480
CPUA1
CPUA12
CPUD0
CPUD15
445
392
418
472
444
391
CPUCS-X
CPURD-X
CPUWR0-X
CPUWR1-X
CPUAS-X
CPUCLK-X
IC3501(1/2)
CPU
12
RES
39
SCL1
38
SDA1
D00-D15
20
16
39
38
SDA1
SCL1
SDA
SCL
67
PLLBP
+3.3V_4
VCC
SCL
SDA
CPU-GO
PDP-GO
IRQ
PDWN
2
4
5
6
7
8
CN3301
12
16
16
12
RESET
TO PDP UNIT
120
36
FHP-CPUGO
35
FHP-PDPGO
33
P-ALARM
38
SDA1
15
16
13
DCP
14
13
15
12
303V DET
THERMO G
THERMO PANEL
THERMO HIC
11
9
1
IC4001
EEPROM
3A
4Y
1OE
SA
1A
12
4
6
2OE
4A
2Y
5
2
8
3
1Y
3Y
29
25
SO1
SI0
28
SI1
26
SO0
12
RA01 RA09
GA01 GA09
BA01 BA09
1
79,80
93-96
99,100
1-10
81,84
77,78
85-92
54
55
56
63
64
SCK
SD
DE
VSYNC
HSYNC
50
49
47
46
44
42
41
39
38
37
45
36
33
32
31
29
28
34
RF-
RE+
RE-
RD+
RD-
RCLK+
RCLK-
RC+
RC-
RB+
RH+
RH-
RG+
RG-
RF+
RB-
RA+
RA-
18
16
15
14
13
12
11
9
8
7
RF-
RE+
RE-
RD+
RD-
RCLK+
RCLK-
RC+
RC-
RB+
CN3801
-
27
26
25
23
22
21
20
19
PS+
PS-
MSEL
RH+
RH-
RG+
RG-
RF+
29
ALARML
6
5
4
RB-
RA+
RA-
IC3802
R0
RI-
RI+
1
2
7
LVDS TRANSMITTER
PSS
23
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