Sony KDE-42XBR950 / KDE-50XBR950 Service Manual ▷ View online
3-2 KDE42XBR950/KDE50XBR950 (UC)
3.3v
3.3V
12V
STBY_6V
POWER_ON
PANEL_ON
CONV_DEP
G_PROT
AC_DET
1
2
5
6
8
9
10
11
12
30 TEST
14 THERMO PANEL
15 THERMO H1C
13 THERMO HIC2
26
29
25
28
80
21
CN3304
TO G BOARD
CN1007
H
SO0
SO1
SI0
SI1
SW-1
CABLE DET
22
RESET
PANEL
HIC
HIC2
1
3
5
CN3306
SPDIF
SDA
SCL
AU_PROT
AU_MUTE
AU_RES
3
6
7
8
9
10
CN3301
TO K BOARD
CN3001
F
27
TEST
78
37
SW-3
12C_EN
69
SW-4
IC3401
PANEL MCU
(FPGA,MCU,CPU)
DEM (2/2)
SIRCS
MUTE
TIMER 2
TIMER 1
POWER
STBY
STBY 5V
2
4
5
6
7
8
9
CN3302
TO R1 BOARD
CN701
E
3
2
11
12
5
4
7
1
6
9
10
IC3308
D/A CONVERTER
A02
A03
A04
A05
A06
A01
A011
A012
A07
A09
A010
21
20
7
4
20
16
5
6
18
9
8
15
14
IC3306
I/O EX
I/O00
I/O03
I/O02
I/O01
I/O04
I/O05
I/O07
I/O13
I/O15
I/O12
I/O11
11
10
I/O06
I/O07
13
19
17
I/O09
I/O16
I/O10
LOGO
STBY 5V
2
1
CN3303
TO R2 BOARD
CN751
F
IC3304
5V REG
IC3305
3.3V REG
7
1
7
1
VIN
VOUT
+3.3V
VIN
VOUT
1
INT
22
TO
1/2
8
5
3
6
IC3112(2/2)
TO 1/2
9
TO 1/2
7
TO 1/2
4
TO 1/2
5
Q3106,3107
+3.3V
+3.3V
+5V
2
7
3
IC3301
OR
6
5
3
82 AC SW
84
83
PANEL ON
POWER ON
+3.3V
+12V
Q3304
LEVEL
SHIFT
SDA
SCL
Q3303
LEVEL
SHIFT
TO 1/2
3
Q3305,33306
SW
+5V
57
LED ON
TO 1/2
6
SEL1
SEL0
SDA
SCL
SDA
SDA
TO 2/2
1
TXD0
TXD1
RXD0
RXD1
MODE
DET
RESET
IC3402
RESET
VOUT
DRV
DRV
DRV
DRV
DRV LOW
DRV LOW
2
4
6
8
10
12
CN3305
TO FAN
IC3305
3.3V REG
3
1
+12V
VOUT
VIN
2
CONT
30
TO 1/2
2
S3351
SW
A0
A18
A1-A20
D0
D15
IC3403
FLASH MEMORY
WE
1 9
16-25
48
11
RY/BY
15
OE
28
CE
26
D0-D15
A1-A20
IC3405
BUS SW
16
18
19
20
21
22
48
47
81
70
71
72
59
79
D0-D15
IC3406
48
49
41
5
6
7
IC3351
EEPROM
SCL
SDA
WP
Q3351
+3.3V
48
47
48
42
46
SDA20
SCL2O
SCL2I
SDA2I
NVM WP
A0-A18
D0-D15
1-4
111-118
103-109
5
CONT
5
CONT
P0
P1
P2
P3
22 SCL
23 SDA
SDA
SCL
PANEL ON
POWER ON
PD3
PD2
SCDT
SCDT
WP
PD0
PD1
SPDIF
SIRCS
X3401
10.5MHz
53
XI
54
XO
BUS-SW
85-100
38-45
29-36
2A3
2A4
2A5
2A6
2A7
2A8
1OE
2OE
1OE
2OE
CS1
AS
RD
WR0
WR1
CS0
MCLK
58
40
RY/BY
2-7
9-14
18-20
BUS SW
9-14
2-7
29-31
33-40
42-46
34-40
42-46
33
31
30
29
28
27
2B3
2B8
1B1-1B8
2B1-2B6
1B1-1B8
2B1-2B6
CPUA0-12
CPUD0-15
371
396-398
423-425
452,453
478-480
CPUA0
CPUA12
393,395
419-422
446-450
473-477
CPUD0
CPUD15
445
392
418
472
444
391
CPUCS-X
CPURD-X
CPUWR0-X
CPUWR1-X
CPUAS-X
CPUCLK-X
IC3501(1/2)
CPU
11
RES
TO 1/2
10
33
P-ALARM
68
CLS
67
PLLBP
54
CL_X
27
PLLBP
KDE42XBR950/KDE50XBR950 (UC) 3-3
1
2
AC
AC
TO F BOARD
CN603
1
2
3
GND
POWER
STBY 6V
CN604
RY1001
+12V
D1004
RECT
L1001-1003
D1016
Q1009
CONVERTER
Q1008
CONVERTER
Q1015
RELAY
DRIVE
Q1014,1016
LATCH
PH1202
+12V
Q1202
SW
3
1
2
OUT
VCC
CTL
REG
IC1003
Q1003
Q1005
Q1019
Q1020
LATCH
14
12
13
2
3
1
6
5
7
9
10
8
SS/PROTECT
LVP
Q1012
15
16
9
3
13
11
Q1013
Q1017
Q1011
SS RES
SS
Q1006
Q1024
OVP
RV1001
6
10
8
Q1004
SS RES
Q1001
D1009
DRIVE
7
SS
VC1
8
D1201
D1204
Q1201
SS
F/B
2
16
VG(H)
VS 15
VG(L) 12
OCP
9
IC1201
DRIVER
Q1203
CONVERTER
Q1204
CONVERTER
2
1
13
12
7
9
6
3
4
D1208
D1301
T1201
D1302
Q1308
VCC SW
Q1309
VCC CONTROL
1
2
VIN
SW OUT
IC1302
REG
PH1201
4
3
1
2
1
3
2
IC1301
D1306
Q1303
LATCH
Q1306
LATCH
+5V
9
8
14
7
6
11
10
1
13
2
5
4
+5V
+5V REG
OUT
VCC
3
1
2
CTL
IC1305 OVP,LVP
IC1307 BUFF
D1305
6
2
5
1
3
DRIVE
Q1304
CONV
CONV
Q1305
3
2
IC1304
V REF
VG(H)
1
16
15
8
VS
12
7
VG(L)
F/B
2
9
OCP
IC1401
DRIVER
Q1405
CONVERTER
Q1406
CONVERTER
1
6
12
15
PIT
T1401
10
D1501
CONTROL
CONTROL
CONTROL
2
3
1
ISOLATER
+12V
ISOLATER
DRIVER
IC1601
10
2
F/B
VG(L)
7
12
VS
8
15
16
1
VG(H)
CONVERTER
Q1607
CONVERTER
Q1606
Q1601
SW
Q1602
SS RES
SS
VC1
VSENCE
9
Q1603
REGULATOR
D1602
ISOLATER
ISOLATER
1
3
2
IC1701
VS_ADJ
RV1701
T1601
PIT
14
11
6
3
3
6
11
14
PIT
T1602
D1701,1702
Q1501,1502
DISCHARGE
Q1502
SW
Q1503
Q1704
IC1802
DISCHARGE
INV
Q1705
D1503
190V
D1703
SW
Q1802,1804
7
6
1
13
10
11
5
4
2
9
8
14
SW
Q1811,1809
SW
Q1307
VREF
2
3
IC1801
5
4
3
2
1
GND
GND
26V
AUDIO Vcc
AUDIO Vcc
TO K BOARD
CN3003
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
THERMO
G PROT
CONV_DET
PANEL ON
POWER ON
GND
STBY 6V
FAN 12V
GND
GND
3.3V
3.3V
CN3304
TO DEM BOARD
4
3
2
1
GND
GND
5V
5V
10
9
8
7
6
5
4
3
2
1
VS
VS
NC
VD
VD
GND
GND
GND
GND
NC
CN1010
CN1009
CN1007
CN1006
CN1003
G
(POWER)
Q1701
Q1702
CONTROL
IC1802
SW
H
DRIVE
OVP
Q1018
IC1001
SS
D1008
RESET
IC1303
IC1306
D1313
D1314
CN1005
D1002
IC1002
Q1401
SW
VSENSE
VC1
SS
SW
Q1404
OCP
VC2
Q1604
Q1605
PH1602
PH1601
PH1402
PH1401
IC1501
SW
Q1801
ISOLATER
+12V
6V
ENA
VCC
OUT
IAC
VRMS
VREF
IERR
SS
VFB
VREF
2
3
IC1004
D1601
20V
PIT
26V
12V
ISOLATER
CONTROL
D1310
70V
D1321
VOC HDRV
FB
LDRV
VC
6V
12
13
14
2
3
1
VD_ADJ
RV1501
PH1403
ISOLATER
20V
VREF
2
3
IC1402
TO
PANEL
BLOCK
TO
PANEL
BLOCK
D
A
TO F BOARD
B
3-4 KDE42XBR950/KDE50XBR950 (UC)
2
1
AC
AC
CN601
AC INLET
2
1
AC
AC
CN603
CN604
ST-BY 6V
POWER ON
3
2
1
GND
T601,602
LFT
T604
LFT
T603
D601
1
RELAY DRIVE
Q601
F601
RY601
IC601
DRIVER
VCC
DRAIN
SOURCE
SOURCE
FB
VDD
PH601
D603
4
5
7
8
2
1
3
5
4
4
3
K
A
IC602
REFERENCE VOLTAGE
D604
10
8
1
2
3
2
F
(LINE FILTER)
TH601
TO G BOARD
CN1003
TO G BOARD
CN1005
A
B
R1
(SIRCS, LED)
TIMER 2
TIMER 1
TIMER 1
POWER
STBY
MUTE
SIRCS
STBY5V
CN701
GND
8
SAVING
9
GND
10
7
6
5
4
2
1
3
CN3302
TO DEM BOARD
IC701
SIRCS
OUT
VCC
Q701-706
LED SW
STBY 5V
D701
POWER
D703
TIMER
D705
MUTE
F
R2
(LED)
GND
LOGO
STBY5V
CN751
NC
4
2
1
3
CN3303
Q751-754
LED SW
D751
|
D754
|
D754
E
TO DEM BOARD
11
10
9
8
7
6
5
4
3
2
1
CN3001
+3.3V
GND
SPDIF
GND
+12V
SDA2
SCL2
GND
MUTE
RES
GND
RX1
XTO
XTI
SDA
SCL
PDN
MCKO2
BICK
SDTO
LRCK
INT1
S/PDIF RECEIVER
IC3001
+3.3V
IC3002
AUDIO PROCESSOR
MCLK_IN
SCLK
SDIN
LRCLK
RESET
PWM-AP_L
PWM-AM_L
PWM-AP_R
PWM-AM_R
VALID_L
MUTE
+12V
X3001
24.576MHz
AUDIO AMP
IC3003
PWM-AP
PWM-AM
PWM-BP
PWM-BM
PWDN
RRESET
OUTPUTA
OUTPUTA
OUTPUTB
OUTPUTB
44
29
30
33
34
31
AND
IC3004
2B
1B
1A
2Y
Q3001
SW
Q3004-3007
SW
3.3V
Q3003
SW
5
2
1
27
26
25
24
37
1
17
19
18
7
35
34
29
28
23
38
1
2
16
15
18
14
Q3002
VCC REG.
F3003
F3001
F3002
GND
GND
GND
AUDIO Vcc
AUDIO Vcc
CN3003
1
2
3
4
5
L3006
32
17
28
29
20
21
PVDDA2
PVDDB2
PVDDA1
PVDDA1
PVDDB1
PVDDB1
6
4
3
2
1
CN3002
L+
L-
R-
R+
L
R
SPEAKER
26
27
22
23
TO G BOARD
CN1006
(AUDIO OUT)
K
D
TO DEM BOARD
CN3301
G
KDE42XBR950/KDE50XBR950 (UC) 3-5
3-1-2. MEDIA RECEIVER UNIT (MBD-XBR950)
61 RV6
59 LV6
62 LTV
64 RTV
15 V3
17 Y3
19 C3
16 LV3
18 RV3
21 S3
8
10
12
9
10
14
V2
Y2
C2
LV2
RV2
S2
22
24
26
23
25
29
V4
Y4
C4
LV4
RV4
S4
56
YOUT1
58
COUT1
52
54
LOUT1
ROUT1
44
Y/V OUT2
47
C OUT2
12
10
2
LV1
4
RV1
43
45
LOUT2
ROUT2
9
LV2
11 RV2
Q9415,9403
Q9406,9402
Q9405,9417
Q9416,9404
IC9400
IC8200
AV SW2
44
47
COUT2
Q8206
Q8205
56
58
COUT1
45
62 LTV
64 RTV
29 LV5
31 RV5
1
IN3-1
2
IN3-2
3
IN3-3
41 IN2-1
42 IN2-2
43 IN2-3
33 IN1-1
34 IN1-2
7
8
9
30
31
35 IN1-3
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
Q8410
Q8411
Q8412
Q8407
SW
BUFFER
BUFFER
BUFFER
IC8402
VIDEO SW
X8400
20
EXTCLK/XTAL
AV SW1
(AV SW,COMPONENT-I/F,TUNER,AUDIO AMP)
YOUT1
SEL_R OUT
A
V/YOUT2
Q8201
SCL
SDA
CN9851
TO IF BOARD
9V
I-MAIN_Y/CV
9V
I_MAIN_CR
2.5V
2.5V
I_SUB_C/CB
2.5V
B_12C_SDAL_5V
B_12C_SCL_5V
3.3V
3.3V
I_BINT
1.8V
1.8V
1.8V
5V
5V
2a
4b
6b
8b
10b
12b
20b
22b
25a
27a
40b
41a
42b
44b
45a
46b
48b
49a
VIDEO2
S VIDEO
VIDEO
L
R
AUDIO
AUDIO
R
L
VIDEO
S VIDEO
VIDEO1
IN
HD/DVD
D1-Y
D1-CB
D1-CR
D1-L
D1-R
D2-L
D2-R
D2-CR
D2-CB
D2-Y
1
2
3
4
1
2
3
4
J9405
J9407
J9404
J9406
J9402
3P
3P
2P
I_MICON_VP
15a
TV_TXDM-Y
TV_RXD
BOX_RST
AC_INT
+33V
+5V
+9V
+9V
A1
B1
A2
A3
B3
A4
A5
A6
CN9407
TO QM BOARD
R2
L2
V2
C2
Y2
S2-2
S_SW2
2
4
6
8
10
11
12
CN9401
TO H2 BOARD
CN9601
G
D_L
D_R
1
3
CN8402
PR
PB
Y
L
R
1
3
5
7
9
CN8400
TO UD BOARD
CN7003
B
5V
D_PR
D_PB
D_Y
1
3
5
7
CN8403
TO UD BOARD
CN7003
C
COMPONENT-I/F
33
34
SCL
SDA
12C_M
SCL
SDA
3
5
18
Y1
C1
Y2
C2
33
34
SCL
SDA
SCL
SDA
12C_M
Q8200
CN8401
I_BOARD_RESET_VP
38b
I_SUB_Y/CV
43a
I-MAIN_C/CB
47a
H
+33V
+5V
+9V
ATSC 9V
ATSC 9V
SET 9V
SET 6.5V
ATSC 5V
ATSC 5V
1
2
5
7
9
10
CN9403
CN6002
TO G BOARD
K
D5V
A5V
33V
STBY5V
1
3
5
7
CN9404
CN6003
TO G BOARD
L
SET11V
SET11V
REG SW
MS 15V
1
2
5
6
CN9405
CN6004
TO G BOARD
J
AC_DET
P SW(-)
AC RELY
FAN PROT
iLINK STBY
MS DET
9V_OVP
FAN ON/OFF
FAN HIGH/LOW
1
2
3
4
5
7
8
9
10
CN9406
CN6005
TO G BOARD
I
BUS BUFFER
42
IC8600
OUTA
16
17
SDAT
SCLK
43
72
LIN
64
LIN
11
AOUTR
73
RIN
3
2
6
5
1
7
-
-
+
+
IC8508
2
3
5
6
1
7
+
+
-
-
IC8509
10
AOUTL
13
12
11
IC8503
2
DRCK
2
3
6
MCLK
4
5
6
3
BICK
10
9
8
4
SDAT
1
SCL
SDA
62
FLIN
63
RIN
61
FRIN
OUTB
60
RLIN
28
LPF1OUT
19
20
XI
XO
X8601
14MHz
IC8805
SURRUOND
16
OUTB
3
2
6
5
1
7
-
-
+
+
IC8806
2
3
5
6
1
7
+
+
-
-
IC8804
36
OUTA
IC8507
D/A CONV.
2
3
+
-
4
5
6
10
9
8
IC8504
5
SLC/SCK
6
SDA/SDOUT
31
BCKO
30
MCK
32
SDI0
10
11
XI
XO
X7002
12MHz
Q8501
SW
SCL
SDA
25
LRC
IC8506
72
LIN
73
RIN
19
BCKO
19
MCK
10
11
XI
XO
3
SD00
BUFFER
IC8502
A/D CONV.
BINT
RESET_DEL
VP
RESET
STBY 5V
FAN_PWR_SW
FAN_SPEED
LINE_MUTE
WOOFER MUTE
CONTROL_S
SUR-R-OUT
SUR-L-OUT
VAR-R
VAR-L
NT-SW
MAIN-HSYNC
SUB-HSYNC
MAIN-AFT
SUB-AFT
AGC
O-SAP
I-SAP
FMONO
SDA-STBY(NC)
SCL-STBY(NC)
SDA-MAIN
SCL-MAIN
/AC_INT
TV-RXO
/BOX-RST
P-SW(-)
TVT-XD
AC_RLY_iLINK
ATSC_OVP
AC_RLY_STBY
OVP
FAN_PROT
AC_DET
STBY 5V
STBY 5V
SET 5V
SET 5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 9V
11a
11b
12a
13a
13b
14b
15a
16a
17a
17b
19b
21a
22b
24a
24b
26a
26b
27a
27b
28a
28b
29a
29b
30a
30b
32a
32b
35a
35b
36a
36b
37a
37b
38a
38b
39a
39b
40a
42b
43b
44b
45b
46b
47b
48b
49a
50b
CN8001
CN4404
TO M BOARD
M
DET OUT 2
DE-EM OUT
TU6201(S)
AFT OUT
SCL
SDA
BUFFER
Q6201
SCL
SDA
L OUT
R OUT
DET OUT 2
F MONO
MODE
TU6202(M)
DET OUT
AFT OUT
SCL
SDA
RF AGC
BUFFER
Q6205
INVERTER
Q6203
SCL
SDA
VIDEO
AUDIO R
AUDIO L
,Q6202
,
BUFFER
Q6201
SAP IND
SW
Q6206
ATSC 9V
SET 9V
SET 6.5V
ATSC 5V
16
15
25
23
22
RV3
LV3
V3
RV4
LV4
V4
13
RESET
1
2
IC9302
2.5V REG
5
1
2
IC9303
1.8V REG
5
1
2
IC9301
3.3V REG
5
+3.3V
+2.5V
+1.8V
+11V
D 5V
A 5V
33V
STBY 5V
MS 15V
SET 11V
SCL(12C-MAIN)
SDA(12C-MAIN)
SET6.5V
SET9V
SET5V
+1.8V
+5V
+2.5V
+9V
STBY5V
STBY5V
Q8809
+9V
Q8807
1
5
6
7
IC8803
3
2
1
-
+
5
6
7
-
+
IC8072
BUFFER
3
2
1
-
+
5
6
7
-
+
IC8801
BUFFER
6
5
1
-
+
2
3
7
-
+
IC8800
BUFFER
WOFFER
L
R
Q8806
MUTE
Q8806
MUTE
J9403
VIDEO
AUDIO R
AUDIO L
VIDEO
AUDIO R
AUDIO L
VIDEO
VIDEO
AUDIO R
AUDIO L
AUDIO L/R
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
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