Sony KDE-50XS955 Service Manual ▷ View online
KDE-50XS955 (UC) 3-6
2
1
AC(L)
AC(N)
CN6001
CN6018
1
2
AC(L)
AC(N)
CN6014
RECT
D6205
Q6203,Q6205
PFC DRIVE
OUT
VCC
CTL
IC6201
12V REG
5
3
1
PFC_OUT
PRI_VCC1
PFC_DET
CN6017
L6201,L6203
D6217
Q6206,6207,6219
PFC SW
3
1
RLY_ON
RLY_5V
CN6901
TO
G2F BOARD
CN6010
CN6301
G2F BOARD
TO
3
1
2
Q6215
Q6214
OVP
PROTECT
IC6203
1
14
2
3
13
12
LATCH
Q6216
IC6204
VREF
LVP
Q6210
5
6
10
9
7
8
Q6204
SS
OUT
VCC
VREF
CAOUT
SS
VFB
Q6212
Q6213
D6218
LATCH
RV6201
13
11
SS
Q6210
16
15
9
3
(POWER SUPPLY)
G1
IC6202
DRIVE
W
X
Q6209
P_SW(-)
STBY5V
5
6
Q6218
PH6905
F
L6002-6005
RLY5V
STBY5V
PH6904
Q6915
Q6903
STBY5V
Q6217
D6216
T6101
1
4
3
6
D6105
STBY5V
11
10
2
VCC
8
7
DRAIN
DRAIN
5
START UP
4
FB
PH6101
D6103
TH6101
D6100
D6104
IC6101
DRIVER
D6106
TO
AC INLET
RY6001
RY6002
RLY5V
1
2
AC IN
F6001
D6201,
6225
6226
D6208,
PROTECT
AC OFF
Q6201,6202
6
8
2
8
VREF
IC6102
Q6208
PRI_GND
2
(6)
F AND G1 BOARDS
KDE-50XS955 (UC) 3-7
5
2
1
PFC OUT
PRI VCC
PFC DET
CN6010
W
G1 BOARD
CN6017
TO
IC6301
DRIVER
VC1
F/B
VG(H)
VS
VG(L)
OCP
Q6301
CONVERTER
Q6302
CONVERTER
15
2
23
22
20
16
PIT
T6301
14
10
13
11
4
2
6
7
D6408
D6308
ISOLATER
PH6401
ISOLATER
PH6902
Q6901
1
2
4
3
1
2
3.4
8-10
SUB6.5V
SUB11V
CN6008
CN6006
1.4
7.10
2
5
8
11
FAN
FAN ERR
FAN ERR
FAN ERR
FAN ERR
CN6013
7
9
10
VD
VS
VS
16
20
22
23
2
1
OCP
VG(L)
VS
VG(H)
F/B
VSENSE
DRIVER
IC6501
VC1
CONVERTER
Q6504
CONVERTER
Q6503
3
6
T6501
PIT
D6601
15
12
10
PH6601
ISOLATER
PH6903
ISOLATER
RV6601
VD_ADJ
9
8
14
7
6
1
2
5
4
IC6601
VREF
IC6903 OVP,LVP
6
VD
15
15
VC1
IC6701
DRIVER
VSENSE
F/B
VG(H)
VS
VG(L)
OCP
1
2
23
22
20
16
Q6705
CONVERTER
Q6706
CONVERTER
Q6703
Q6704
VC2
17
D6702
Q6702
SW2
ISOLATER
PH6801
PIT
T6701
3
6
14
11
11
14
6
3
T6702
PIT
D6801
VS_ADJ
RV6801
Q6911
Q6913
Q6905
Q6909
SW
Q6502
4
3
PANEL
UNIT
TO
SUB11V
SUB11V
SUB11V
CN6022
FAN
FAN ERROR
1
2
FAN ERR
FAN ERR
FAN
FAN
8
2,5
7
1.4
CN6021
TO
FAN
FAN
TO
FAN
TO
CN6009
1
3
5.6
SUB18V
THRU5V
SW9V
1.2
AUDIO25V
CN6005
13
11
10
9
8
7
6
4
3
1
THERMO
FAN_ERR
PANEL_ON
REC ON
PS PROT
OVP
STBY5V
P-SW(-)
AC RLY
TU32V
CN6004
Q6408
Q6407
DRIVE
FAN
5V
REG
FAN
DRIVE
IC6409
1
3
1
3
4
IC6403
IC6402
D6406
D6401
D6407,D6417
15
16
9
D6403
Q6903
D6409
Q6405
SUB11V
TO
CN6901
G1 BOARD
X
CN6301
RLY 5V
RLY ON
P-SW(-)
1
3
5
STBY 5V
6
1
3
4
TH6403
D6301
17
OUT2 U
DC-DC CONV.
IC6408
19
OUT2 D
10
SBY 2
Q6406
5V
VCC
G2N
(POWER)
D6402
D6405
D6404
TO
CN2004
A2NU BOARD
A2NU BOARD
CN2001
TO
G
F
H
V
K BOARD
TO
CN2602
CN2005
TO
A2NU BOARD
D6310
Q6418,6419
Q6414-6417
STBY5V
CTRL
3
1
4
VCC5V
TH6901
SUB11V
Q6910
Q6902
IC6907
D6901
AC-RLY
STBY5V
6
7
1
14
8
9
Q6906
IC6905
VS
11
13
10
12
FANDRIVE
IC6404
VREF
IC6906
9V REG
SUB11V
4
IC6401
Q6413
Q6925,6926
Q6924
Q6915
Q6923
Q6922
D6914
VS
Q6919
Q6918
VCC5V
2
1
3
4
PH6905
ISOLATER
Q6501
Q6601
Q6600
Q6700
VREF
IC6801
VS
D6802
Q6802
Q6801
Q6912
VREF
IC6601
D6912
11
10
13
D6921
D6812
1,2
5V
CN6020
TO
UNIT
PANEL
VCC5V
(7)
G2N BOARD
KDE-50XS955 (UC) 3-8
14
13
12
11
10
9
8
7
6
5
4
3
SCLTCH
M_RST
CH_RST
CH_WP
3.3V_SW
OF_FLAG
A_MUTE
SP_PRT
CH_IIC_SW
CH_M/S_SW
SLK_D
DAT_D
CN2603
DIGITAL AUDIO PROCESSOR
IC2603
12
27
13
14
38
1
32
SDA
30
NP7
EEPROM
IC2610
Q2610,Q2611
CH RESET
3.3V
AMP_RST
15
SCLTCH2
16
SCDT
17
SCSHIFT
18
SCL
9
OF_FLAG
SCDT
SSCHIFT
7
5
6
VCC
SP_PRT
A_MUTE
DATA(O)
LRCK(O)
BCK(O)
DELAY
RESET
IC2602
1
15
16
48
LRCK(O)
IC2600
CONT.SIG.GEN.
XMODE(I)
DATA(O)
BLK(O)
14
XIN(I)
22
CN2600
SPDIF-
SUB11V
5V
6
3
1
VCCDET
+3.3V REG
IC6103
DION(I)
3
X2600
24.576MHz
IC2612
1
3
2
4
5
IC6102
+1.8V REG
+1.8V
+3.3V
Q2602
34
ERROR(O)
CKOUT(O)
13
IC2609
1
7
5
3
4
5
6
IC2614
4
1
2
A_MUTE
SP_PRT
11
30
29
23
36
19
31
IC2607
OF_FLAG
SCSHIFT
SCDT
24
22
21
25
DATA
OUTL1
OUTL2
SOFMUTE
XFSIN
9
27
48
9
LRCK
INIT
OUTL2
OUTL1
DATA
22
23
21
12S PWM
IC2604
31
27
30
19
36
11
29
BCK
SCLATCH
24
25
SCDT
SCSHIFT
OF_FLAG
SCDT
SCSHIFT
OVFFLAGR
OVFFLAGL
SCLATCH
INIT
BCK
LRCK
12S PWM
X2601
49.152MHz
XFSIN
XFSOIN
SOFMUTE
OVFFLAGL
OVFFLAGR
SCSHIFT
SCDT
6
4
OUTR1
OUTR2
PWM WOOFFER DRIVE
RST
4
25
PWN_AP
OUT_A
OUT_B
PWN_BP
IC2608
2
17
30
DREG
8
SD
13
2
17
13
SD
8
DREG
30
PWN_BP
OUT_B
OUT_A
PWN_AP
25
RST
4
IC2606
PWM AUDIO LCH DRIVE
PWM AUDIO RCH DRIVE
IC2605
4
RST
25
PWN_AP
OUT_A
OUT_B
PWN_BP
30
DREG
8
SD
13
17
2
5
IC2601(1/2)
12
13
DC
Q2608,Q2609
DETECT
CN2601
W+
W-
L+
L-
R+
R-
1
2
3
4
5
6
R
L
WOOFFER
W-
W+
L+
L-
DETECT
Q2605,Q2607
DC
DC
Q2604,Q2606
DETECT
R-
R+
Q2603
Q6101
+12V
+12V REG
IC6101
2
1
AUDIO_VCC
CN2602
TO
G2N BOARD
CN6005
K
(AUDIO PROCESSOR,AUDIO DRIVE)
CN2002
A2NU(2/2) BOARD
TO
J
U
TO
DE1 BOARD
CN2600
AUDIO L/R
AUDIO L/R
3
18
2
5
4
1
I2C_SDA
I2CM_S
I2C_SCL
MCLKI
SDIN1
SCLKIN
LRCLK
SDOUT2
SDOUT1
AUDIO L/R
3
IC2601(2/2)
2
1
3.3V
AUDIO L
AUDIO R
AUDIO L/R
AURIO R
AURIO R
D6101
9
10
8
Q6102
IC2611
V
(8)
K BOARD
KDE-50XS955 (UC) 3-9
CN7004
A10
A11
A15
A19
A21
A23
A30
A34
A35
A37
A41
A47
A48
A49
A50
B6
B8
B9
B10
B11
B12
B13
B14
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B36
B37
B38
B39
B40
B41
B42
B44
B50
REC ATT
D SAP
AD MUTE
CVY MAIN
SUB Y
SUB C
SP MUTE
AC RLY
D OVP
SYSTEM RST
V BUS
IFP BINT
I2CMSDA1(NC)
I2CMSCL1(NC)
DE RST
+B OVP
AFT MAIN
FMONO
I SAP
AFT SUB
TU H MAIN
TU H SUB
AD RST
ATSC RXD
ATSC TXD
ATSC RST
HDMI RST
LINE MUTE
WOOFER MUTE
ANT S
ANT M
POW CTL
SET ON
SIRCS
JIG UDM
JIG UDP
USER RXD
USER TXD
I2C SDA
I2C SLK
B INT
AC DET
STBY3.3V
STBY2.5V
DIC A1.8V
DIC D1.8V
STBY 5V
A1,A2
B1
B3,B4
A3,A4
D5
A16
ATSC 5V
B15,B16
SW3.3V
B17,B18
A59
A58
A57
A56
A52
DIC D 1.8V
DIC A 1.8V
STBY 2.5V
STBY 3.3V
SW9V
A60
ADC 3.3V
SW9V
SW3.3V
ATSC5V
SW5V
STBY5V
GRE +
GRE -
GRD +
GRD -
GRCLK +
GRCLK -
GRC +
GRC -
GRB +
GRB -
GRA +
GRA -
17
16
14
13
11
10
8
7
5
4
2
1
CN7650
56
55
54
52
51
50
49
MAIN DIN
IC7650
RCLK-
RC+
RC-
RB+
RB-
RA+
RA-
RCLK+
RD-
RD+
RE-
RE+
59
60
61
62
57
3
PD
17-22
24-25
GR 0-7
8
8
GG 0-7
32,33-35
26-29
8
GB 0-7
38-43
36,45
8
GA 0-7
10-15
7,8
3
GVS,GHS,GSK
47
126
O PTE RESET
I DOVP
O AC RLY
O SAP
O AD MUTE
125
146
136
52
I VSD DET
O PF BINT
76
O DERST
49
127
I ATSC OVP
39
I AFTMAIN
53
O FMONO
121
I SAP
40
I AFTSUB
89
I MAIN H1H
90
I SUB H1H
50
O AD RST/O MS RST
111
I RXD ATSC
112
I TXD ATSC
142
O ATSC RST
141
O HDMI RST
55
O ANT S
54
O ANT M
79
POW CTL
86
I SIRCS
UDM
159
UDP
160
I USER RXD
130
O USER TXD
131
I BINTN
44
I2C SDA-X
I2C SCL-X
I CCD MV
I IFP BUSY
85
88
MASTER WAIT
I CCD MH
101
87
BUS SW-RST
OSDHSYNC
VSYNC
1
176
171
172
YMOUT
YSOUT
3
PSD R5-R7
D R2
D R0
OSD G5-G7
3
D G0
D G2
3
OSD B5-B7
D B7
D B0
45
OSD YM
OSD YS
Q7704,7709,7715
99
3
I CODSV
SUB HSYNC
I POWER LED
I KEY1
104
37
91
KEY WAKE
120
119
146
149
O STBY LED
O TIMER LED
PCSTBY LED
O PICCFF LED
117
O POWER LED
118
153
O ISTBY LED
LAMP ERR LED
73
109
107
106
61
MD2
IO SCLK
IO SDAT
O_NVMPR
TRSTX
Q7018
Q7710,7714
145
O SPWFR MUTE
147
O LMUTE2
143
O SP MUTE
D7011
D7004
D7006
Q7006
Q7009
Q7005,7008,7007,7038
SYSTEM UC
IC7551
MPU
IEX HS
IEX VS
IEX CK
OGPX_HS/VS/CK
CN7553
29-32
35-38
5-8
11-14
17-20
23-26
1 2
41
42
43
44
45
48
O GXRIN7
O GXRIN0
O GXGIN0
O GXGIN7
O GXBIN0
O GXBIN7
O GXAIN6,7
O I2CSSCL2
O I2CS SDA2
M/S SW
IFP BUSY
OSDV M
OSDH M
CN7552
2
3
4
43-46
49,50
37
39
13-16
19-22
25-28
31-34
7
9
I IFPVSOUT
I IGXHSOUT
I IGXCKOUT
O GXAIN0
O GXAINS
O GXCKIN
O GXHSIN
O GXVSIN
O GXYIN0
O GXYIN7
O GXCIN7
O GXCIN0
O GXYCVSIN
O GXYCHSIN
O GXYCKIN
6
4
P ON
KEY1
CN1051
4
6
CN1200
9
10
11
12
13
14
15
16
SW5V/THRU
STBY5V
SIRCS
PCSTBY LED
PICOFF LED
TIMER LED
STBY LED
POWER LED
1
2
3
5
6
7
8
9
25
26
21
19
LAMP ERR LED
ILINK LED
SCL
SDA
CN7002
1
2
3
4
6
7
8
STBY3.3V
RESET
MD2
BUSY3
SI0
SO0
CLK K0
8
OGPX_R0-R7
OGPX_G0-G7
8
OGPX_B0-B7
8
OGPX_A6,A7
2
I2C SCLX
I2C SDAX
IC7552
MASTER WAIT
IFP BUSY
CCDV M
4
1
2
CCDH M
CCPX
AIN4
AIN5
OSD V
OSD H
Q7700
Q7702
FL7700
14
15
AOUT2
DT0CLKIN
AOUT1
FIF0CLKIN
16
IC7702
7
6
5
FL7701
Q7703
Q7701
69
70
66
67
OGPX_A0-A5
6
OGPX_HS/VS/CK
3
1SC2-1 9 OPC BE0-7
8
1SY2-1 9 OPC GE0-7
8
1S-CLK/HS/VS OPC CK/HS/VS
3
SW5V
STBY5V
IC7005
I2C SCL X
I2C SDA X
SDAT
SCLK
10
8
2
4
STBY3.3V
I2C SLKS
Q7020
11
9
1
3
S1051
S1055
S1056
POWER
1
2
3
5
6
7
8
9
D1204
D1203
CN1201
STBY5V
SIRCS
1
2
D1206
D1205
Q1201
Q1204
Q1205
Q1206
Q1203
2
1
SIRCS
IC1601
CN1601
H3
H5
H1U
CN7003
TO
DIC3 BOARD
CN4003
Q7003
Q7604
Q7012
Q7015,2017
Q7025
AMP
Q7022,7024
Q7002
M1U
IC7701
IC7002
L
CN8401
J2NU BOARD
TO
TO
QM BOARD
CN7304
(MAIN DIN,MPU)
S
Q
CN4002
DIC3 BOARD
TO
175
OEX VS
OEX HS
IGPX0-A6
IGPX0-A7
IGPX0-B5
IGPX0-B7
IGPX0-G5
IGPX0-G7
IGPX0-R7
IGPX0-R5
OEX CK
IGPX1-R0
IGPX1-R7
RST
IGPX1-G7
IGPX1-G0
IGPX1-B7
IGPX1-B0
IGPX1-A7
IGPX1-A0
IGPX1-
VS/HS/CK
DOT CLK I
DOT CLK
13
15
Q7028,7029,7037
30
Q7026,7027,7036
SUB C
SUB Y
CN7005
DATA SLICER MAIN
DATA SLICER SUB
XTAL
79-99MHZ
X7950
PEF CLKIN
110
108
IO SDAT
IO SCLK
STBY3.3V
BUS LINE SW
Q7011,7013
I2C SDAS
IC7001
3.3V
REG
REG
2.5V
IC7000
STBY5V
STBY3.3V
REG
1.8V
IC7700
DIC A1.8V
DIC D1.8V
NVM
IC7004
CLK
DAT
WP
5
6
7
Q7019
80
81
82
48
75
IC7003
RESET
STBY3.3V
5
4
SCK0
SI0
SD0
O BUS SW
I RESET
14
10-12
6-9
5
4
3
2
1
ICLK
ICS 0-2
ICD 0-3
DPEAK
CINIT
XRSTIN
XTRST
UVCC
CN7001
STBY3.3V
I-DPEAK
ICD 0-3
ICS 0-2
ICLK
83
67-70
64-66
22
4
3
ICD 0-3
ICD 0-2
ADC 3.3V
T
D1207
NC
46,47,31
Q7708,7713
(9)
H1U, H3, H5 AND M1U BOARDS
Click on the first or last page to see other KDE-50XS955 service manuals if exist.