Sony KDE-42XBR950 / KDE-50XBR950 Service Manual ▷ View online
3-6 KDE42XBR950/KDE50XBR950 (UC)
IC4000
LVDSI/O,MAIN CPU
AUDIO CONTROL,
DCP,TMDS TRANSMITTER,
M
DISPLAY_SIGNAL_OUT
(BLACK)
(WHITE)
DISPLAY_SIGNAL_OUT
3
LATCH
Q4414
Q4413,4415
IC4307
2
1
4
B5
P_ON
CH STATUS
RESERVER 1
NC2
RESERVER 2
RESERVER 3
B3
B9
B8
B11
B13
UART_1+
UART_1-
UART_0+
UART_0-
SIRCS-
SIRCS+
SPDIF-
SPDIF+
FL
&
PROTECT
L4300-4303
D4306-4309
4
VOLTAGE CONVERT
IC4306
2
1
TMDA RECEIVER
IC4302
11
1
2
14
13
10
7
6
9
15
5
IC4300
BUFFER
11
13
12
10
4
6
3
5
2
1
8
9
A6
A4
A3
A1
A10
A8
A13
A11
B1
B7
UART_1+
UART_1-
UART_0+
UART_0-
SIRCS-
SIRCS+
SPDIF-
SPDIF+
FIELD_DET
CABLE_DET
CN4300
CABLE_DET
IC4305
7
1
6
5
2
3
M-SENSE
RST
11
13
CN4801
DATA2-
DATA2+
DATA1-
DATA1+
DATA0-
DATA0+
CLOCK+
CLOCK-
HOT_PLUGDET
DDC SCL
DDC SDA
1
2
9
10
17
18
23
24
16
6
7
TC-
TC+
T0+
T0-
T1+
T1-
T2+
T2-
VD4801-4803
LIMITTER/PROTECT
D4803-4808
PROTECT
&
LIMITTER
TXO-
TX0+
TX0
TX1
TX2
9
LEVEL
SHIFT
Q4805
22
21
25
24
28
27
30
8
7
MD_MDA
D_MCL
D_SCL
D_SDA
VS
HS
DEN
CLK
B2
B9
G2
G9
R9
R2
2
IC4803
14
15
5
4
57
54
63
58
55
47
56
53
44
36
43
TMDS_TRANSMITTER
31
11
6
5
3
4
9 10
1
13
12
2
SELECTOR
IC4304
15
14
IC4401
LX
LV
SX
SV
2
3
6
7
LEVEL
SHIFT
Q4101
Q4100
SHIFT
LEVEL
15
4
IC4303
SELECTOR
5
2
1
3
10 9
INV
Q4400
WP
SCL
SDA
IC4301
NVM
7
6
5
9
10
5
2
1
3
SELECTOR
IC5205
4
15
Q4404
Q4406
6
10
12
8
IC4406
BUS-SW
11
9
X4401
16MHz
POWER LEDP 47
STB-LED 46
TIMER LED 45
SET POWER CONT 44
D-OVP 49
15
XIN
13
XOUT
MP WRN
SIRCSIN
7
78
BS6.5V
IC4204
OSDH1OUT
1
2
66.1565M
X4400
3.3V
Q
CK
3
5
IC4405
FF
TRANSCEIVER
IC4400
9
5
7
3
7
6
5
3
2
1
IC4201
YS
YM
B2
B1
B0
G2
G1
G0
R2
R1
R0
79 FMONO
92 SUB-AFT
65 ANT-M
23 SUB_HIN
25 M/S_SW
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
51 BS_REC
ATSC_GRANT
52
CV_COMP_SW
37
B_INT
81
RESET
12
Q4426,4427
Q4411
39 NVM-RST
38
NVM-RST
DAT0
30
29 CLK0
IC4410
ANALOG-UCOM
DAT1
31
28 CLK1
57
56
55
54
56
84
3
4
42
40
76
BUS-SW3
BUS-SW1
CABLE-ERRORP
TXD-PDP
RXD-RDP
TMDS-RSTP
M-SENSEP
8
SA0
7
WP
DAT
CLK
6
5
NVM
IC4408
OUT
RESET
2
1
IC4906
IC4203
PCM-SPDIF
SCL
34
33 SDA
30 XTI
28 DAUX
29 BICK
24 LRCK
31
16
TX1
PDN
PD
LRCK
BICK
SDT0
CLK0
CDTI
CCLK
CS
PD
15
16
17
19
21
13
12
11
19
IC4202
AOUTR-
27
AOUTR+
28
AOUTL+
26
AOUTL-
25
AINR
2
AINL
3
AUDIO CONTROL
SDA
SCL
GBRVOUT
GBRHOUT
DEN
GBRCLK
RST-X
CONVERTER
LEVEL
IC4906
4
RESET
62
160
159
61
63
68
186
BOUT9
BOUT2
GOUT9
GOUT2
ROUT9
ROUT2
3.3V
X4008
24M
BUS 172
93
69
64
74
65
84
79
87
82
100
97
103
99
OSD1VOUT
OSD1HOUT
YS1
YM1
OSDIBIN5
OSDIBIN7
OSDIGIN7
OSDIGIN5
OSDIRIN7
OSDIRIN5
C
Y
C
Y
IC4905
CLK
199
INV
IC4901
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
CN4000
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
TO A BOARD
CN8001
M
75
94
AUDIO-CSM
AUDIO-CLKP
AUDIO-PDN
AUDIO-DATP
58
60
61
FAN-SPEED
FAN-PWR-SW
FAN-ILG-PROT
67
LINE-MUTE
Q4407-4409
D4407
Q4418,4423
MUTE
77
KEY 1
NC
POWER LED
CN4404
MAIN_SLICER(NC)
SUB_SLICER(NC
BINT
RESET_GL
VP
RESET
STBY_5V
FAN-PWR-SW
LINE-MUTE
WOOFER_MUTE
CONTROL_S
SUR-R-OUT
VAR_R
VAR_L
NT-SW
MAIN_HSYNC
SUB_HSYNC
MAIN_AFT
SUB_AFT
AGC
O-SAP
I-SAP
FMONO
6a
8a
11a
11b
12a
13a
13b
14b
15a
16a
17a
17b
19b
21a
FAN-SPEED
SUR-L-OUT
SDA-STBY
SCL-STBY
SDA-MAIN
GRANT
/AC-INT
TV-RXD
/BOX-RST
P_SW(-)
TV-TXD
AC_RLY_ILINK
ATSC_OVP
AC_RLY_STBY
OVP
FAN_PROT
SCL-MAIN
22b
24a
24b
26a
26b
27a
27b
28a
28b
29a
29b
30a
30b
32a
32b
34b
35a
35b
36b
36a
37a
37b
AC_DET
STBY 5V
STBY 5V
SET 5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 6.5V
SET 9V
SET 5V
40a
42b
43b
44b
45b
46b
47b
48b
49b
50b
38a
38b
39a
39b
4
R5-R7
G5-G7
B5-B7
YS/YM
CN4301
SDA
SCL
DVI_NRST
MUTE
VGA
1
2
4
5
6
UD_BINT
3
CN4501
MS1
MS2
1
2
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
CN4406
BINT
SDA
ROM-SDA
ROM-SCL
ROM-WP
2
3
5
6
7
SCL
4
CN4301
KEY 1
KEY 2
5V
P_SW
P-ON
1
2
5
7
8
STBY 5V
4
+5V
LATCH
Q4428,4429
SDA-STBY
SCL-STBY
SDA-STBY
SCL-STBY
CK
1
2
IC6302
2.5V REG
5
1
2
IC4405
1.8V REG
5
1
2
IC9301
2.5V REG
5
+6.5V
+9V
+5V
+5V
50 ATSC_OVP
ON/OFF
20
MAIN
TIMER LED
SRTBY LED
POWER LED
SCL-STBY
ILINK LED
10
11
12
9
SDA-STBY
15
14
65
68
ANT-S
ANT-M
1
IC4601
SELECTOR
6
7
5
STBY5V
5V
SDA-STBY
SCL-STBY
BUS-SEL
TMDS-RST
8
9
12C_SDA
12C_SCL
Q4102-4104,
SW
LATCH
Q4402
LATCH
MCL-4
MDA-4
SDA(12C-TMDS)
SCL(12C-TMDS)
(12C-DEV)
SDA
(12C-DEV)
SCL
5V
+3.3V
+2.5V
+1.8V
+11V
Q4419
Q4421
SDA
SCL
TO A BOARD
CN6211
N
TO H2 BOARD
CN980
E
54
RESET DL
TO H4 BOARD
CN9707
A
TO UD BOARD
CN7002
D
KDE42XBR950/KDE50XBR950 (UC) 3-7
8
7
6
5
4
3
1
CN9503
STBY 5V
P_SW
P ON
TIMER LED
iLINK LED
STBY LED
POWER LED
F
TO H2 BOARD
CN9803
+5V
Q9511-9517
LED SW
D9520
POWER/STBY
TIMER
D9521
D9001-9009
H1
(LED)
POWER
S9501
+5V
D9512
iLINK STBY
12
11
9
8
7
6
5
4
2
1
CN980
STBY5V
5V
P_SW
P ON
TIMER LED
ILINK LED
STBY LED
POWER LED
SCL
SDA
E
TO M BOARD
CN4401
+5V
ST5V
21
20
1,3
4,10
11
A01,03,04
DA10-DA11
SDA
SCL
IC9001
LED CONTROL
Q9801-9807
LED DRIVER
CN9803
1
3
4
5
6
7
8
STBY5V
P_SW
P ON
TIMER LED
ILINK LED
STBY LED
POWER LED
F
TO H1 BOARD
CN9503
CN9401
TO A BOARD
G
CN9601
2
4
6
8
10
12
R2
L2
V2
C2
Y2
S_SW2
L
R
H2
(INPUT TERMINAL)
J9601
AUDIO
VIDEO
VIDEO 2
IN
S VIDEO
D9801-9806,9812
1
CN9705
KEY3
KEY2
KEY1
CN9707
1
2
S9702,9704,
S9706,9708,
S9710,9712
(KEY INPUT)
H3
H4
S9201,9703
S9705,9707
S9709,9711
1
CN9704
(KEY INPUT)
CN4301
TO M BOARD
A
3-8 KDE42XBR950/KDE50XBR950 (UC)
6
5
IC7001
ESD
UD
(DVI DRIYER)
2
1
6
5
IC7003
ESD
2
1
8
6
4
2
CN7003
D-R
D-L
D-Y
D-PB
D-PR
5V
10
12
TO A BOARD
CN8403
C
DVI5V
TO A BOARD
CN8402
B
5
4
3
2
CN7002
VGA
MUTE
DVI-NRST
UD-BINT
SCL
SDA
6
7
TO M BOARD
CN4301
D
CN7001
TO
PANEL
BLOCK
SCL
7
RX2-
6
1
2
RX2+
SDA
32
SDA
IOB/PR
16
IOG/PB
13
31
SCL
RX2-
47
46
DVI DRIVER
IC7004
RX2+
10
IOR/Y
5V
16
RX1-
14
9
10
RX1+
HPO
RX0-
18
17
RX0+
RXC+
23
24
RXC-
SCL
SDA
6
5
IC7003
ESD
2
1
52
53
62
61
58
59
RX1+
RX1-
RX0+
RX0-
RXC-
RXC+
7
WP
IC7006
NVM
6
5
SDA
SCL
RESET
8
MUTE
21
10
MCU
IC7002
AIN7
18
VGA
DVI-SCL
36
DVI-SDA
35
X7000
14.318MHz
95
XTALOUT
94
TCLK
DVI5V
DVI5V
FL7000-7002
BPF
L
R
AUDIO
CN9401
24
SCL
28
SDA
X7001
12MHz
2
OSCOUT
3
OSXCIN
KDE42XBR950/KDE50XBR950 (UC) 3-9
3
2
1
AC IN
AC IN
CN6001
AC INLET
T6001
VD
VC1
OCP
VG(H)
VS
VG(L)
F/B
IC6002
DRIVER
Q6004
CONVERTER
Q6003
CONVERTER
K
IC7004
V.REF
Q6001
RELAY DRIVE
D6004
RY6001
VCC
DRAIN
SOURCE
SOURCE
FB
VDD
D7005
ST-BY TRANSFORMER
T6003
D6007
IC6003
DRIVER
PH6003
4
3
V.REF
IC6004
A
K
2
3
1
2
10
8
1
3
5
4
7
8
2
1
4
5
2
3
1
2
4
3
16
15
12
2
18
8
9
F6001
G
(POWER)
D6006
D6016
6
5
7
5
2
1
CN6002
ASTC 9V
ASTC 9V
SET 9V
ASTC 5V
ASTC 5V
SET 6V
K
TO A BOARD
CN9403
7
5
3
1
CN6003
D 5V
A 5V
33V
STBY 5V
L
TO A BOARD
CN9404
7
5
2
1
CN6004
SET 11V
SET 11V
REG SW
MS 11V
J
TO A BOARD
CN9405
7
5
4
3
2
1
CN6005
AC DET(NC)
P SW(-)
AC RELAY
ILINK STBY
MS DET(NC)
FAN PROT
I
TO A BOARD
CN9406
10
9
8
9V OVP
FAN ON/OFF
FAN HIGH/LOW(NC)
5
4
2
1
CN6101
FAN POWER
FAN PROT1
FAN POWER
FAN PROT2
TO FAN
PH6002
10
13
11
12
15
5
3
8
7
O
I
+9V REG
IC6007
IC6006
5V REG
5V REG
IC6009
5V REG
5V REG
IC6010
+5V REG
I
O
D6102
D6022
T7003
PIT FOR VCC
1
2
1
2
D6020
14
O
I
O
I
RY6002
STBY6.5V
7
D6006
16
17
18
D6017,6018
D6019
D6006
1
2
4
3
PH6002
VDD
OCL+
VOUT
IC6003
DRIVER
20
D6020
Q6751
6
18
19
2
13
12
11
27
25
OCL-
L6750
FAN DRIVE
IC6751
1
2
3
D66101
Q6010,6011
SW
D6753
VOUT
VOUT
D6026
D6016
Q6012
33V REG
VDD
VDD
VDD
VDD
VDD
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