Sony KDE-55XBR950 Service Manual ▷ View online
KDE55XBR950 (UC) 3-6
3-1-2. MEDIA RECEIVER UNIT (MBD55XBR950)
D1_CR
D1_CB
D1_Y
D1_CB
D1_Y
D1_CR
HD/DVD
IN
J9407
J9406
D1_R
D1_L
L
R
R
L
D2_L
D2_R
J9404
J9405
D2_CR
D2_Y
D2_CB
D2_Y
D2_CB
D2_CR
R1
L1
V1
C1
Y1
1
2
3
4
S_SW1
S VIDEO
VIDEO1
VIDEO
L
R
AUDIO
AUDIO
R
L
VIDEO
VIDEO2
S VIDEO
S_SW3
4
3
2
1
C3
V3
L3
R3
J9402
Y3
Y2
10
CN9401
8
C2
6
V2
4
L2
R2
2
1
PR
PB
3
Y
5
L
7
CN8400
9
R
CN8403
7
D_Y
5
D_PB
3
D_PR
5V
1
1
D_L
D_R
3
CN8402
11
S2-2
S_SW2
12
S_SW2
Y2
C2
V2
L2
R2
TO UD BOARD
CN7003
CN9601
TO H2 BOARD
G
C
B
Q9415,9403
LOUT1
56
YOUT1
SCL
33
LTV
RTV
AV SW1
64
IC9400
62
L
L
61
59
LV6
RV6
RV4
S4
28
25
R2
S_SW2
L2
C2
26
23
LV4
C4
Y2
V2
22
24
Y4
V4
V2
Y2
10
8
V3
Y3
C2
LV2
9
12
C3
L3
S_SW3
R3
11
14
S2
RV2
RV3
S3
21
18
R1
S_SW1
L1
C1
19
16
LV3
C3
Y1
V1
15
17
Y3
V3
COUT1
58
Q9406,9402
Q8205
47
44
Q8206
Q9416,9404
47
44
Q9405,9417
COUT2
Y/VOUT2
52
54
ROUT1
SCL
12C_M
SDA
34
SDA
ROUT2
COUT2
RV1
LV1
IC8200
AV SW2
Y1
Y/VOUT2
LOUT2
RV3
3
18
16
LV3
15
V3
VIDEO
AUDIO L
AUDIO R
5
C1
10
Y2
12
C2
2
4
11
9
LV2
RV2
ROUT2
45
43
LOUT2
LTV
62
64
RTV
RV5
31
29
LV5
SDA
SDA
SCL
SCL
34
33
12C_M
25
RV4
23
LV4
22
V4
VIDEO
YOUT1
COUT1
Q8201
56
58
Q8200
Q8410
6
9
3
CR
IC8402
VIDEO SW
7
12
Y
16
1
3
2
CB
11
14
5
SW
Q8407
VIDEO
BUFFER
BUFFER
Q8411
BUFFER
Q8412
5
7
6
AUDIO R
AUDIO R
AUDIO L
AUDIO L
3
1
2
45
43
AINL
2
10
LRCK
A/D CONV.
IC8506
6
2
4
5
11
MCLK
11
10
9
8
SCLK
12
IC8502
BUFFER
9
SDT0
1
AINR
IC8400
COMPONENT-I/F
IN3-1
SELYOUT
1
2
3
D1_CR
D1_CB
IN3-2
D1_Y
IN3-3
IN2-3
D2_Y
IN2-2
D2_CB
D2_CR
43
42
41
IN2-1
IN1-3
IN1-2
ATSC_CR
35
34
33
IN1-1
IN4-3
IN4-2
DVI_PR
9
8
7
IN4-1
ATSC_CB
ATSC_Y
DVI_PB
DVI_Y
Y
CB
SELCBOUT
CR
SELCROUT
EXTCLK/XTAL
X8400
20
BUS BUFFER
IC8503
9
8
2
3
11
12
13
1
10
IC8507
D/A CONV.
AOUTL
DRCK
2
1
3
6
7
5
3
1
2
5
7
6
2
4
6
5
11
6
MCLK
3
BICK
4
SDAT
AOUTR
10
IC8509
IC8508
43
RIN
RIN
73
42
72
LIN
LIN
VIRTUAL DOLBY
IC8600
16
17
SCL
SCLK
SDAT
SDA
X8601
14MHz
19
20
CLK2
CLK1
IC8805
SURROUND
OUTA
LIN
64
OUTB
SDA
22
SDA
SCL
23
SCL
62
FLIN
FRIN
61
63
RIN
RLIN
60
LPF1OUT
28
44
COUT
58
VCC
23
IC8806
IC8804
6
7
5
2
1
3
5
7
6
3
1
2
AUDIO L
AUDIO R
IC8501
RESET
2
1
VDD
RESET
2.5V DD
5
PD
BUFFER
2
1
3
5
7
6
BIAS
5
IC8803
7
6
1
Q8810
SET 9V
MUTE CTRL
Q8807
Q8809
-
IC8072
Q8806
D8806
IC8800
BUFFER
7
1
5
6
3
2
IC8801
5
1
6
2
7
3
BUFFER
Q8803
Q8804
L
WOOFER
R
J9403
AUDIO L
AUDIO R
TO M BOARD
CN4404
13a
RESET
SUB-AFT
NT-SW
VAR-R
VP
RESET_DEL
FAN_PWR_SW
STBY 5V
WOOFER MUTE
BINT
SUR_L_OUT
VAR-L
AGC
MAIN-HSYNC
SUB-HSYNC
MAIN-AFT
11b
12a
13b
14b
17a
11a
21a
22b
24a
24b
26a
26b
27a
27b
28a
16a
LINE_MUTE
19b
SUR_R_OUT
FAN_SPEED
15a
17b
CONTROL_S
B_12C_SCL_5V
25a
15a
I_MICON_VP
27a
3.3V
20b
CN8401
49a
47a
46b
45a
44b
43a
42b
41a
40b
38b
2a
22b
12b
10b
6b
4b
I_SUB_C/CB
I_BOARD_RESET
5V
3.3V
1.8V
I_BINT
5V
1.8V
2.5V
1.8V
8b
CN9851
TO IF BOARD
TO G BOARD
CN6005
4
FAN PROT
AC RELY
P SW(-)
iLINK STBY
FAN HIGH/LOW
AC_DET
2
3
5
10
1
9
FAN ON/OFF
9V_OVP
8
48b
B_12C_SDAL_5V
2.5V
I_SUB_Y_CV
2.5V
I_MAIN_CR
9V
I_MAIN_C/CB
9V
I_MAIN_Y/CV
CN9406
H
I
CN9407
A4
+5V
+9V
A5
A1
A6
A2
B1
TV_TXD
+9V
TV_RXD
BOX_RST
AC_INT
A3
TO OM BOARD
CN8001
29b
29a
FMONO
I-SAP
49b
50b
AC_RLY_STBY
38b
37a
TVT-XD
OVP
39a
AC_RLY_iLINK
37b
48b
47b
46b
45b
44b
43b
42b
40a
39b
32a
38a
36b
36a
35a
32b
SET 5V
SET 5V
STBY 5V
FAN_PROT
SDA-MAIN
ATSC_OVP
/BOX-RST
P-SW(-)
SCL-MAIN
/AC_INT
AC_DET
STBY 5V
TV-RXO
35b
O-SAP
28b
SET 6.5V
SET 9V
SET 6.5V
SET 6.5V
SET 6.5V
SET 9V
SET 6.5V
SET 5V
STBY 5V
SCL
SDA
Q9301
OVP
SET 5V
1.8V DD
3.3V DD
SCL
SDA
2.5V DD
SET 9V
VIDEO
STBY 5V
ATSC 5V
ATSC 9V
5
SLC/SCK
IC8504
RESET
13
LRC
MCK
BCKO
31
SDI0
25
30
32
3
SDO0
LEVEL
Q8501
SHIFT
SDA/SDOUT
6
10
XI
11
XO
36.864MHz
X8501
SCL
SDA
30
31
SCL
SCL
SDA
SDA
SIRCS OUT
J9401
SIRCS IN
Q9408-Q9414
2
1
1.8V REG
IC9303
5
1.8V DD
2.5V DD
5
IC9302
2.5V REG
1
2
2
1
3.3V REG
IC9301
5
3.3V DD
TO G BOARD
CN6002
7
SET 9V
ATSC 9V
2
5
9
CN9403
K
L
CN9404
1
5
3
D 5V
A 5V
33V
STBY 5V
7
CN6003
TO G BOARD
10
1
TO G BOARD
CN6004
REG SW
SET 11V
2
5
1
CN9405
J
SET 11V
ATSC 9V
SET 9V
SET 6.5V
D 5V
A 5V
33V
STBY 5V
ATSC 5V
TU8001
MAIN TUNER
VIDEO
R OUT
L OUT
MODE
RF AGC
DET OUT
AFT OUT
SAP IND
SCL
SDA
Q8006
AUDIO L
AUDIO R
DET OUT 2
BUFFER
Q8202
F MONO
INVERTER
Q8002
Q8003
BUFFER
SDA
SCL
Q8210,
Q6201,
SCL
SDA
Q6202
BUFFER
DE-EM OUT
SDA
SCL
AFT OUT
SUB-AFT
SUB-HSYNC
Q8001
Q8000
DET OUT 2
SUB TUNER
TU8000
M
A
CN7003
TO UD BOARD
SET 11V
ATSC 9V
ATSC 5V
SET 6.5V
ATSC 5V
(AV SW,COMPONENT-I/F,TUNER,AUD O AMP)
27
26
25
R
R
IC8510
SET 11V
IC8601
SET 11V
5
3
4
KDE55XBR950 (UC) 3-7
CN7003
D-L
D-R
D-PB
D-PR
5V
D-Y
2
4
6
8
10
12
TO M BOARD
CN4301
7
6
5
4
3
2
DVI-NRST
SDA
SCL
UD-BINT
VGA
MUTE
CN7002
RESET
MUTE
3
OSXCIN
2
OSCOUT
28
SDA
24
SCL
AIN7
IC7002
MCU
VGA
10
6
WP
NVM
IC7006
5
SCL
47
RX2-
RX2+
IC7004
DVI DRIVER
10R/Y
46
18
21
8
X7001
12MHz
7
SDA
FL7000-7002
BPF
10
13
16
HPO
SDA
RX1-
RX1+
5V
SCL
RX2+
RX2-
1
2
6
7
9
10
14
16
CN7001
24
23
18
17
RXC-
RXC+
RX0+
RX0-
TO
PDP
UNIT
DVI5V
SCL
SDA
53
52
RX1-
RX1+
RX0+
RX0-
58
59
62
RXC-
61
RXC+
10G/PB
10G/PR
ESD
1
5
6
2
IC7003
IC7001
2
6
5
1
ESD
ESD
1
5
6
2
IC7003
14.318MHz
X7000
XTALOUT
95
TCLK
94
31
32
SDA
DVI-SCL
35
36
DVI-SDA
DV15V
AUDIO
L
R
CN9401
D
B
CN8402
TO A BOARD
TO A BOARD
CN8403
C
UD
(DVI DRIVER)
8
7
6
5
3
1
CN9803
8
7
6
5
3
1
P_SW
POWER LED
STBY LED
iLINK LED
TIMER LED
STBY5V
CN9503
5V
LED SW
Q9511-9517
POWER/STBY
D9520
D9521
TIMER
5V
STBY5V
H1
iLINK STBY
D9525
5V
POWER
S9501
P ON
4
4
5V
AUDIO
R
L
VIDEO
S VIDEO
J9601
VIDEO 2
IN
21
SDA
SCL
IC9801
A01
20
1
LED CTRL
Q9807
-
LED
DRIVE
3
A03
4
A04
10
DA10
11
DA11
Q9801
D9805,
D9806
D9812
TO M BOARD
CN4401
SDA
P ON
TIMER LED
iLINK LED
STBY LED
P_SW
5V
STBY5V
1
2
4
5
6
7
8
12
CN9601
12
10
8
6
4
2
R2
Y2
C2
V2
L2
S_SW2
CN9401
TO A BOARD
CN9802
G
E
11
9
SCL
POWER LED
5V
STBY5V
H2
KDE55XBR950 (UC) 3-8
1
3
AC IN
CN6001
VG(H)
18
16
IC6002
DRIVER
VD
F6001
2
T6001
AC IN
AC INLET
RY6001
D6004
PH6004
PH6002
RY6002
Q6001
RELAY
DRIVE
STBY6.5V
Q6004
CONVERTER
CONVERTER
Q6003
12
CG(L)
VS
15
D6006
D6024
Q6014
IC6005
PIT FOR VCC
T6004
5
3
10
13
14
18
17
16
11
12
15
D6022
7
8
OCP
9
D6017-D6019
D6005
D6020
VC1
8
F/B
7
2
D6033
27
25
13
12
VOUT
IC6750
DC-DC CONV.
VDD
11
21
20
19
18
1
6
OCL+
VDD
VOUT
VDD
VOUT
OCL+
VDD
VDD
VDD
3
IC6751
FAN DRIVE
2
SW
Q6011
1
D6755
Q6751
1
I
O
2
+5V REG
IC6006
IC6007
+9V REG
2
O
I
1
IC6009
+5V REG
2
O
I
1
VC
VC
1
I
O
2
+5V REG
IC6010
D6032
Q6012
+33V REG
D6026
TO A BOARD
CN9406
FAN ON/OFF
FAN PROT
iLINK STBY
9V OVP
AC RELAY
P SW(-)
AC DET(NC)
1
2
3
4
5
8
9
CN6005
33V
STBY 5V
D 5V
A 5V
1
3
5
7
I
K
CN6002
6
5
7
5
2
1
ASTC 9V
SET 9V
SET
CN9403
TO A BOARD
ASTC 9V
ASTC 5V
ASTC 5V
D6753
CN6003
TO A BOARD
CN9404
L
J
CN9405
TO A BOARD
CN6004
5
2
1
SET 11V
SET 11V
REG SW
FAN POWER
FAN PROT1
1
2
4
5
CN6101
FAN POWER
FAN PROT2
TO FAN
D6102
D6101
D6007
5
4
8
10
3
1
T6003
ST-BY TRANSFORMER
5
DRAIN
4
VCC
1
VDD
FB
2
DRIVER
IC6003
7
SOURCE
D6015
SOURCE
8
IC6004
PH6003
LATCH
Q6005,6006
Q6010,
D6016
G
L6750
(POWER)
KDE55XBR950 (UC) 3-9
CN1000
B2
B4
B6
B8
B10
B12
B14
A15
A25
A27
A33
B38
B40
B42
B44
A45
A47
A49
B20
B22
B46
B48
B33
5V
1.8V
I_BINT
O_MID_BUSY
I_MICON_VP
B_I2C_SCL_5V
B_I2C_SDA_5V
CHECK_A2.5V
PAL_FILM_MOD
I_BOARD_RESET
2.5V
I_MAIN_CR
I_MAIN_C/CB
I_MAIN_Y/CV
3.3V
9V
+5V
+1.8V
+3.3V
+9V
VCC
OUT
IC1200
2.5VREG
Q1000,1002,1007
+2.5V
Q1012,1013
R-Y
C/B-Y
Y/CV
Q1200
FL1201
B.P.F
Q1201
FL1202
B.P.F
Q1202
FL1203
B.P.F
5
6
7
IC1202
3
2
1
IC1201
5
6
7
Q1205
Q11204
Q1209
AIN1
VRT
VRB
AIN2
ANI3
8
13
14
16
20
YOUT2
YOUT9
COUT2
COUT9
CLKO
HSO
VSO
I_B_INT
O_SUB_BUSY
I_VP_MAIN
3.3V
1,2
VCC
RST
IC1901
RESET
5V
4
45
57
53
55
Q1904
OUT
VCC
IC1000
RESET
1
2
Q1902
Q1909
RST
+3.3V
D0
C0
NVM_WP
O_BINT
D1
D2
C1
C2
DAT
CLK
WP
IC1900
NVM
Q1941
Q1903
SHIFT
CLK_1S
DAT_1S
95
97
33
65
96
99
98
100
DAT1
CLK1
131-133
124-127
140-144
147-149
157
155
156
DSPYOUT2
DSPYOUT9
DSPCOUT2
DSPCOUT9
DSPYOUT1
DSPYOUT0
DSPCOUT1
DTVYIN0
DTVYIN7
DTVCIN0
DTVCIN7
DSPCOUT0
DSPCLK
DSPHSOUT
DSPVSOUT
DTVCLKIN
DTVHSINB
DTVVSIN
8
MY0-MY7
8
MC0-MC7
G25
C23
A24
MCLK
M-HS
M-VS
SDT0
SDT7
SDAD0
SDAD12
SDDT8
SDDT31
SDCLKR
SDCLK
SDRAS
SDCKE
SDCAS
SDWE
SDQM
SDCS
RSTX
DA0
DA7
A0
A12
DA8
DA31
CLK
RAS
CKE
CAS
WE
DQM0-3
CS
8
D0-D7
13
A0-A12
24
D8-D31
68
19
67
18
17
59,71
20
16,28,
89
90
91
92
93
94
97
86
39
ADDR0
ADDR11
DQ0
DQ15
LDQM
WE
CAS
RAS
CS
VDQM
2
1
5
4
3
6
12
13
9
10
11
8
UC1203
COP
IC1703
MID
DRCYIN0
DRCYIN7
DRCCIN0
DRCCIN7
DRCHSIN
DRCVSIN
DRCCLKIN
DYO2
DYO9
DRO2
DRO9
HD2
V90
C540
IC1603
DRC-MF
DIYD0
DIYD7
DICD0
DICD7
W1310
IHD0
IVD0
8
MY0-MY7
8
MC0-MC7
3
4
5
IC1204
SDRAM
122
129
133
140
8
Y0_1-Y7_1
8
C01-C07
C19
B20
A19
102
100
117
DRC_HS
DRC_VS
DRC_DCLK
IC1602
SDRAM
19-24
27-32
46-49
35-42
12
16
10
9
7
8
11
14
15
16
17
18
36
ADDR0
ADDR11
DQ0
DQ15
DQM
XWE
XCAS
XRAS
XCS
XRST
C541
SDATA
SCLK
RPLLHD
HREF
SDA
89
90
SCL
DETECT
CHARGE
PUMP
CTRL
RING
OSC
BIAS
6
12
Q1600
96
95
5
4
IC1600
PLL
3
67
97
XRESET
DRCPSDVP
IC1002
H25
B21
C2
B1
B5
A5
G3
G4
F3
8
7
22
20
31
50
25
Y1/2
Y1/4
C1/2
C1/4
CLK
HD
VD
8
Y0-Y7
8
C0-C7
18,19
14-16
10-12
54-56
6,52
2-4
TB2-TB6
TD3-TD5
TA1-TA6
TD1,TB0
TD2
TB1
TC1
TC0
CLKIN
TD0
TD6
TD+
TD-
TCLK+
TCLK-
TC+
TC-
TB+
TB-
TA+
TA-
/PDWN
IC1003
LVDS TRANSMITTER
14
13
11
10
8
7
5
4
2
1
CN003
TX1OUT3+
TX1OUT3-
TX1CLK+
TX1CLK-
TX1OUT2+
TX1OUT2-
TX1OUT1+
TX1OUT1-
TX1OUT0+
TX1OUT0-
37
38
39
40
41
42
45
46
47
48
32
OUT
VDD
IC1002
RESET
1
+3.3V
12
13
11
9
10
8
IC1006
Q1701
Q1702
LEVEL
SHIFT
DAT_1S
CLK_1S
L1
L2
X1702
18.543956MHz
J1
K1
DXT1OUT
DXT1IN
DXT2IN
+3.3V
X1701
IC1702
1
5
4
IC1704
64M SDRAM
DQ0
DQ7
DQ9
DQ31
A0
A11
DMQ0-DMQ3
BA0,BA1
WE
CAS
RAS
CS
SDDAT32
SDDAT39
SDDAT40
SDDAT63
SDADR0
SDADR11
SDDQM0
SDDQM3
8
D32-D39
11,13
7,8,10
2,4,5
24
D40-D63
12
SD_A0-SD_A11
59,71
16,28
22,23
17
18
19
20
4
DQM0,DQM2,DQM3
2
BA0,BA1
SDBA0,SDBA1
SDWE
SDCAS
SDRAS
SDCS
IC1705
64M SDRAM
DQ0
DQ7
DQ9
DQ31
A0
A11
DMQ0-DMQ3
BA0,BA1
WE
CAS
RAS
CS
H1
SDDAT0
SDDAT7
ADDAT16
SDDAT31
8
SD_D0-SD_D7
24
SD_D16-SD_D31
SD_WE
SD_CAS
SD_RAS
SD_CS
20
19
18
17
22,23
16,28,59,71
12
SD_A0-SD_A11
CN1001
B25
B27
B28
B30
B31
B33
B34
B36
A24
A25
A27
A28
B28
A30
A31
A33
A34
A22
B24
B22
A36
A37
A39
A40
A42
A43
A45
A47
A51
B52
A53
A55
A59
B38
B39
B40
B41
B42
B43
B44
B45
B54
B55
B58
B59
A57
I_MS_Y0
I_MS_Y7
I_MS_C0
I_MS_C7
I_MS_VS
I_MS_HS
I_MS_CLK
B_MS_USB_D+
B_MS_USB_D-
O_MS_AC_DET
O_MS/CNM_RESET
B_I2C_SCL_5V
B_I2C_SDA_5V
I_CNM_UART_TX
O_CNM_UART_RX
O_MS_M_CV
O_MS_S_CV
O_MS_AU_L
O_MS_AU_R
I_MS_AU_L
I_MS_AU_R
3.3V
5V
9V
1
(NC)
MS3.3V
+5V
+9V
TO
PDP
UNIT
TO
PDP
UNIT
A2.5V
CV/Y
MAIN-Y/V
C/B-Y
MAIN-CB/C
R-Y
MAIN-CR
CV/Y
C/B-Y
R-Y
Y DATA
C DATA
Y DATA
C DATA
DIC2
(MID,DRC,LVDS)
IC1910
MID-MICON
5
6
7
3
CN9851
2b
4b
5V
1.8V
I_BINT
I_MICON_VP
B_I2C_SCL_5V
B_I2C_SDA_5V
CHECK_A2.5V
PAL_FILM_MOD
I_BOARD_RESET
2.5V
I_MAIN_CR
I_MAIN_C/CB
I_MAIN_Y/CV
3.3V
9V
H
A BOARD
TO
CN8401
2b
6b
8b
10b
12b
15a
25a
27a
33a
38b
40b
42b
44b
45a
47a
49a
20b
22b
46b
48b
33b
SDA
SCL
6b
8b
10b
12b
15a
25a
27a
33a
38b
40b
42b
44b
45a
47a
49a
20b
22b
46b
48b
33b
IF
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