Sony KDE-55XBR950 Service Manual ▷ View online
KDE55XBR950 (UC) 3-2
CN3304
1
2
5
6
8
9
10
11
12
3.3V
3.3V
12V
STBY_6V
POWER_ON
VPR2
PANEL_MUTE
OVP
AC_DET
TO GF1
CN6005
BOARD
A
VCC
OUT
IC3352
2.5V REG
+2.5V
5V REG
IC3304
VIN
CONT
VOUT
7
5
2
5
7
VOUT
CONT
VIN
IC3305
3.3V REG
+5V-4
1.8V REG
IC3451
VIN
CONT
VOUT
5
1
1
4
+1.8V
3.3V_4
+3.3V
+12V
3
5
6
2
7
2
1
I/O00
I/O03
I/O02
I/O01
I/O14
SCL
SDA
IC3306
I/O EX
I/O17
I/O15
I/O11
1/O10
I/O14
INT
5
6
7
4
5
SCDT
PD1
PD0
WP
TO 1/2
TO 1/2
TO 1/2
3
4
7
6
5
17
22
SCL
SDA
+3.3V_2
Q3106,3107
3.3V SW
5
3
1
HIC2
HIC
PANEL
CN3306
82
83
IC3401
PANEL MCU
AC SW
POWER ON
TEST
30
22
14
15
13
THERMO PANEL
THERMO HIC
THERMO HIC2
CN3301
1
3
4
6
7
8
9
10
+3.3V
SP DIF
+12V
SDA
SCL
AU_PROT
AU_MUTE
AU_RES
CN3302
1
2
4
5
6
7
8
9
STBY5V
SIRCS
MUTE
TIMER2
TIMER1
POWER
STBY
STBY 5V
1
2
STBY5V
LOGO
CN3303
8
6
4
2
CN3304
DRV
DRV
DRV
DRV
Q3304
LEVEL
SHIFT
SDA
SCL
IC3351
EEPROM
VCC
SCL
SDA
WP
49
47
46
48
42
6
5
7
SW
Q3351
8
SDA
SCL
38
39
X3401
10.5MHz
54
53
SCL2I
SCL2O
SDA2O
SDA2I
NVM_WP
SDA
SCL
AO7
AO10
AO9
AO12
D/A CONVERTER
IC3308
AO1
AO6
AO5
AO4
AO3
AO2
AO11
2
3
4
5
6
1
SDA
SCL
SHIFT
LEVEL
Q3303
12
11
9
10
7
20
21
SEL0
SEL1
6
SPDIF
SIRCS
3
TO 1/2
5V SW
Q3305,3306
STBY5V
57
LED_ON
FAN DRIVE
IC3303
VOUT
VIN
CONT
ADJ
3
+12V
1
2
4
B
BOARD
CN3001
TO KF1
SDA1
SCL1
XO
XI
A1
A20
D15
D0
RY/BY
CSO
D0
D15
A20
A1
RY/BY
CE
OE
WE
1-4
103-109
111-118
120
20
1-9
48
16-25
85-100
40
58
A1-A20
D0-D15
38-45
29-36
16
15
26
28
11
RES
FLASH MEMORY
IC3403
IC3405
BUS SW
1A1-1A10
2A1,2A2
2A5
2A4
2A3
2A6
2A7
2A8
1OE
2OE
1B1-1B10
2B1-2B8
2B3
2B4
2B5
2B6
2B7
2B8
71
70
81
72
59
79
41
WRO
RD
AS
WR1
CS1
MCLK
BUS_SW
2A1,2A2
1A1-1A10
BUS SW
IC3406
2OE
1OE
2-7
9-14
A1-A12
12
19
18
16
20
21
22
47
48
16
D0-D15
18-20
16
9-14
2-7
48
48
CPU
IC3501(1/2)
12
34-40
42-46
CPUA1
CPUA12
12
478-480
452,453
423-425
371
396-398
33
31
30
29
28
27
445
392
418
472
444
391
CPUCS_X
CPURD_X
CPUWR0_X
CPUWR1_X
CPUAS_X
CPUCLK_X
42-46
33-40
29-31
16
CPUD0-15
393,398
419-422
446-450
473-477
CPUD15
CPUD0
IC3353
20
4
CLS
PLLBP
SO0
SO1
SI0
SI1
CABLE DET
SW-1
RESET
TEST
SW-4
SW-3
12C-EN
FEAT2
FEAT3
68
67
26
29
25
28
21
80
76
TXD0
TXD1
RXD0
RXD1
DET
MODE
RES
1
TO 1/2
2
RESET
IC3402
VOUT
VDD
4
1
STBY3.3V
54
27
CL_X
PLLBP
S3351
27
69
78
37
61
62
35
36
FHP PDPGO
FHP CPUGO
PDPGO
CPUGO
5
TO 1/2
3.3V
9
8
7
6
5
4
2
1
CN701
STBY5V
SIRCS
MUTE
TIMER2
TIMER1
POWER
STBY
SAVING
SIRCS
IC701
OUT
VCC
+5V
STBY5V
Q701
Q706
LED
DRIVE
POWER
D701
D703
TIMER
MUTE
D705
RF1
(SIRCS,LED)
2
1
LOGO
STBY5V
CN751
Q751-Q754
LED SW
D751-D754
D761-D763
(LED)
RF2
TO
FAN
(MCU)
DEF(2/2)
IC3112(2/2)
IC3112(1/2)
20
18
14
13
19
1
TO 1/2
IRQ
TO 1/2
KDE55XBR950 (UC) 3-3
CN3001
1
3
5
6
7
8
9
10
+3.3V
SPDIF
+12V
SDA2
SCL2
SP-PROT
MUTE
RES
B
BOARD
CN3301
TO DEF(2/2)
+3.3V
+12V
IC3001
DIGITAL AUDIO
RECEIVER
RX1
SDA
SCL
PDN
44
33
34
MCKO2
BICK
SDTO
LRCK
27
26
25
24
31
MCLK_IN
SCLK
SDIN
LRCLK
RESET
MUTE
29
30
PROCESSOR
DIGITAL AUDIO
IC3003
PWM_AP_L
PWM_AM_L
VALID_L
PWM_AP_R
PWM_AM_R
VALID_R
1
17
19
18
7
38
X3001
24.576MHz
INT1
+3.3V
37
10
9
8
2
1
3
11
13
12
4
5
IC3002 SP PROTECT CONTROL
Q3001
Q3002
Q3003-Q3005
OVER OUTPUT
DETECT
PWM_AP
PWM_BM
PWM_AM
PWM_BP
RESET
PVDDA2
PVDDB2
PVDDA1
PVDDA1
PVDDB1
PVDDB1
1
15
2
16
14
35
34
23
29
28
9
32
17
28
29
20
21
5
SHOTDOWN
IC3004
AUDIO OUT
OUTPUTA
OUTPUTA
OUTPUTB
OUTPUTB
4
3
2
1
CN3003
L+
L-
R+
R-
1
2
3
4
CN7002
26
27
22
23
L3004
L3005
23
22
27
26
OUTPUTB
OUTPUTB
OUTPUTA
OUTPUTA
AUDIO OUT
IC3004
21
20
29
28
17
32
14
16
2
15
1
PVDDB1
PVDDB1
PVDDA1
PVDDA1
PVDDB2
PVDDA2
RESET
PWM_BP
PWM_AM
PWM_BM
PWM_AP
SHOTDOWN
5
4
3
AUDIO_VCC
AUDIO_VCC
GATE-DRIVE
CN3002
TO GF1
CN1006
BOARD
E
Q3017
VCC REG
5
F3002
F3003
F3005
F3006
+12V
RY7001
RY7002
+12V
4
3
2
1
R+
R-
L-
L+
CN7004
+R
-R
-L
+L
1
12V
CN7001
+12V
G
BOARD
CN6001
TO GF1
CN7005
L
R
SPEAKER
KF2
(SP RELAY)
KF1
(AUDIO OUTPUT)
L3008
6
KDE55XBR950 (UC) 3-4
4
2
1
PFC OUT
GND
VCC 18V
CN003
C
BOARD
CN6004
TO GF2
2
1
INRUSHT
PFC LVP
CN002
TO GF2
CN6003
BOARD
D
H
BOARD
CN604
TO GF3
CN6002
POWER
STBY6V
2
3
1
RLY VCC
CN001
TO GF2
CN6002
BOARD
F
Q6904
STBY6V
PH6903
ISOLATER
IC6901
IC6301
DRIVER
VC1
SS
F/B
VG(H)
VS
VG(L)
OCP
Q6301
CONVERTER
Q6302
CONVERTER
D6308
D6310
Q6303
SS
8
7
2
16
15
12
9
PIT
T1201
11
8
9
7
13
12
6
1
2
3
4
D1302
D1301
VCC
OUT
IC6403
REG
13V
12V
D1304
26V
D6908
VCC SW
Q1308
VCC CONTROL
Q1309
VIN
SW OUT
REG
IC1302
1
2
D6307
ISOLATER
PH6902
PH6902
ISOLATER
ISOLATER
PH6901
Q6903
1
2
12V REG
IC6405
I
O
4
3
1
2
1
2
4
3
IC1303
+5V REG
OUT
VCC
CTL
Q6403
Q6404
1
2
3
2
1
26V
AUDIO Vcc
AUDIO Vcc
CN1006
CN6005
1
2
5
6
8
9
10
11
12
3.3V
3.3V
FAN 12V
STBY 6V
POWER ON
VPR2
PANEL MUTE
OVP
THERM-G
CN6009
2
3
4
5
9
10
10
VSAGO
VCEGO
VRS
VRA
VPR2
VCC
VCC
CN6010
2
3
4
8
9
10
VA
VCC
VCC
VS
VS
VS
9
12
15
16
2
1
OCP
VG(L)
VS
VG(H)
F/B
VC1
VSENSE
DRIVER
IC6501
SS
Q6504
SW
CONVERTER
Q6502
CONVERTER
Q6501
3
6
T6501
PIT
D6601
15
12
10
PH6601
ISOLATER
PH6802
ISOLATER
RV6902
VD_ADJ
60V
STBY6V
TH6901
VCC
VC
HDRV
FB
LDRV
DRIVE
IC1306
D1307
3
4
3
2
6
Q1304
CONV
Q1305
CONV
+5V
9
8
14
7
6
11
10
1
13
2
5
4
LATCH
D6909
D6910
LATCH
D6904
D6903
D6905
IC6903
V REF
IC6904 OVP,LVP
14
13
12
1
3
2
IC6905 BUFF
Q6912
1
VA
7
8
D6501
D6701
8
7
SS RES
Q6703
SS
IC6701
DRIVER
VSENSE
VC1
F/B
VG(H)
VS
VG(L)
OCP
1
2
16
15
12
9
Q6701
CONVERTER
Q6702
CONVERTER
Q6707
Q6706
VC2
10
D6706
Q6704
SW
ISOLATER
PH6901
PIT
T6701
3
6
16
12
12
16
6
3
T6702
PIT
D6801,D6802
80V
VD_ADJ
RV6901
7
8
6
5
10
9
D6605
Q6602
DISCHARGE
Q6602
IC6902
IC6906
CONTROL
IC6907
Q6913
Q6906
SW
Q6914
Q6908
Q6907
Q6905
Q6801,Q6802
D6804
Q6803
DISCHARGE
Q6804
GF1
(POWER)
Q6916,Q6915
SW
Q6503
4
3
2
1
D6907
D6604
D1321
5
1
3
TO KF1
CN3002
BOARD
E
A
BOARD
CN3304
TO DEM(2/2)
TO
BLOCK
PANEL
PANEL
BLOCK
TO
KDE55XBR950 (UC) 3-5
1
2
AC
AC
CN601
AC INLET
CN603
AC
AC
2
1
3
2
ST-BY 6V
POWER ON
CN604
T604
LFT
Q601
RELAY
DRIVE
TH601
D601
SOURCE
SOURCE
VCC
FB
IC601
DRIVE
7
8
2
D603
1
3
5
6
10
7
PH601
4
IC612
VREF
D604 L602
H
TO GF1
BOARD
CN6002
1
2
AC
AC
CN6001
CN6002
RLY VCC
RLY GND
1
4
CN001
BOARD
TO GF1
RECT
D6005
D6002
Q6206,Q6208
PFC DRIVE
OUT
VCC
CTL
IC6203
18V REG
4
2
1
PFC OUT
PFC GND
VCC 18V
CN6004
D6002,D6005
L6001
L6201-L6203
D6207
Q6201-6203
PFC SW
2
1
INRUSH T
PFC LVP
CN6003
TO GF1
BOARD
CN003
CN002
BOARD
TO GF1
3
Q6209
1
2
Q6216
Q6215
OVP
PROTECT
IC6202
1
14
2
3
13
12
LATCH
Q6217
IC6204
VREF
LVP
Q6212
5
6
10
9
7
8
Q6247
SS
OUT
VCC
VREF
I ERR
SS
VFB
Q6204
Q6205
D6209
SS
RV6201
13
11
OVP
Q6211
16
15
9
3
D6001
RY6001
GF3
(LINE FILTER,STBY6V)
(POWER SUPPLY)
GF2
T601,T602
RY601
F601
IC6201
DRIVE
F
C
D
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