Read Sony KE-50XS910 Service Manual online
KE-50XS910 (UC) 3-1
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAMS
61 D2_R
59 D2_L
62 D1_L
64 D1_R
15 V1
17 Y1
19 C1
16 LV1
18 RV1
21 S1
8
10
12
9
11
14
V3
Y3
C3
LV3
RV3
S3
22
24
26
23
25
28
V2
Y2
C2
LV2
RV2
S2
56
SUB_Y_OUT
58
SUB_C_OUT
52
54
SUB_L_OUT
SUB_R_OUT
44
MAIN_YV_OUT
47
MAIN_C_OUT
12
10
2
SW_SUB_L
4
SW_SUB_R
43
45
MAIN_L_OUT
MAIN_R_OUT
9
SW_M_L
11 SW_M_L
Q8204,8231
Q8202,8230
Q8208,8233
Q8232,8207
IC8230
IC8200
AV SW2
47
44
MAIN_COUT
Q8206
Q8205
56
58
SUB_COUT
45
62 MS_L
64 MS_R
29 DVI_L
31 DVI_R
1
IN3-1
2
IN3-2
3
IN3-3
41 IN2-1
42 IN2-2
43 IN2-3
7
8
9
30
31
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
Q8412
Q8411
Q8410
Q8407
SW
BUFFER
BUFFER
BUFFER
IC8402
VIDEO SW
X8400
20
EXTCLK/XTAL
AV SW1
(AV SW,COMPONENT-I/F,TUNER,AUDIO AMP)
SUB_YOUT
SEL_R OUT
A1
MAIN_YOUT
Q8201
SCL
SDA
VIDEO2
S VIDEO
VIDEO
L
R
AUDIO
AUDIO
R
L
VIDEO
S VIDEO
VIDEO1
IN
HD/DVD
Y
PB
PR
L
R
L
R
PR
PB
Y
1
2
3
4
1
2
3
4
J8232
J8230
J9404
J8231
J8234
3P
3P
2P
R2
L2
V2
C2
Y2
S2-2
S_SW2
11
9
7
5
3
2
1
CN8232
D_PR
D_PB
D_Y
4
6
8
10
CN8403
TO UD BOARD
CN7004
F
COMPONENT-I/F
33
34
SCL
SDA
12C_MAIN
SCL
SDA
3
5
18
SW_S_Y
SW_S_C
SW_M_Y
SW_M_C
33
34
SCL
SDA
SCL
SDA
12C_MAIN
Q8200
J9401
BUS BUFFER
64
LIN
11
AOUTR
10
AOUTL
PDN
13
12
11
IC8503
2
LRCK
2
3
6
MLK
4
5
6
3
BCK
10
9
4
SDAT
1
63
RIN
IC8805
SURRUOND
16
OUTB
3
2
6
5
1
7
-
-
+
+
IC8806
2
3
5
6
1
7
+
+
-
-
IC8804
36
OUTA
IC8609
D/A CONV.
12
13
11
+
-
4
5
6
10
9
8
IC8603
5
SLC
6
SDA
30 MCK
32LRCKO
31
DATAI
10
11
XI
XO
X8600
36.864Hz
Q8600
LEVEL SHIFT
SCL
SDA
25
BCKO
IC8607
11
MCK
10
LRCK
2
AINL
1
AINR
12
9
BCK
SDTO
3 DATAO
BUFFER
IC8606
A/D CONV.
L OUT
R OUT
DET OUT 2
F MONO
MODE
TU8001
DET OUT
AFT OUT
SCL
SDA
RF AGC
INVERTER
Q8002
SCL
SDA
VIDEO
AUDIO R
AUDIO L
SAP IND
16
15
RF_MAIN_R
RF_MAIN_L
RF_MAIN_V
13
RESET
+9V
Q8810
1
5
6
7
IC8803
3
2
1
-
+
5
6
7
-
+
IC8802
BUFFER
3
2
1
-
+
5
6
7
-
+
IC8801
BUFFER
6
5
1
-
+
2
3
7
-
+
IC8800
BUFFER
WOFFER
L
R
Q8806
MUTE
Q8803,8804
MUTE
J8236
VIDEO
AUDIO R
AUDIO L
VIDEO
VIDEO
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AUDIO R
AUDIO L
AFT1
INVERTER
Q8006
M_HSYNC
AMP
Q8005
BUFFER
Q8210
V1
Y1
Y1
C1
S_SW1
V1
R1
L1
C3
Y3
V3
R3
L3
S_SW3
C1
L1
R1
S_SW1
V3
Y3
C3
L3
R3
S_SW3
V2
Y2
C2
L2
R2
S_SW2
R2
L2
V2
C2
Y2
S_SW2
D5V
Y
CB
CR
CR
CB
Y
13
PDN
5
22
23
SDA
SCL
SDA
SCL
BUFFER
BUFFER
SIRCS IN
SIRCS OUT
Q8234-8240
TO H2 BOARD
CN9601
E
A
CN1804
TO J1 BOARD
TO UD BOARD
CN7002
CN9501
TO H1 BOARD
UD_BINT
SDA
SCL
STBY5V
KEY1
P-ON
P-SW(-)
KEY-WAKE
SET3.3V
SET2.5V
SET2.5V
SET1.8V
SET1.8V
14V
FAN_ERR
FAN
MAIN_YV_OUT
MAIN_CB/C_OUT
MAIN_CR_OUT
SUB_YV_OUT
SUB_CB/C_OUT
MA_L_IN
MS_R_IN
DVI_RST
DVI_VGA
UD_BINT
UD_SCL
UD_SDA
SCL_MAIN
SDA_MAIN
SIRCS
LINE_MUTE
WOOFER_MUTE
SP_MUTE
SP_DC_PROT
CV_COMP_SW
ANT_MS
MAIN_HSYNC
MAIN_AFT
AGC
O-SAP
I-SAP
FMONO
KEY
KEY_WAKE
P-ON
P-SW(-)
DVI_MUTE
SET5V
MAIN_SLICER_Y
SUB_SLICER_Y
STBY5V
7V
10V
10V
2
3
4
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
A11
B11
A12
B12
A13
B14
B15
B16
B17
B18
A20
B20
A22
B22
A24
A26
B26
A28
B28
B35
A36
B36
B37
A38
B38
B39
A40
B40
B41
A42
B42
B43
B44
B48
B49
A50
B50
2
3
4
5
6
CN8004
CN8001
CN8005
AGC
O-SAP
I-SAP
FMONO
AFT1
M_HSYNC
8
AUDIO PROCESSOR
12C_MAIN
IC8600
RES
+2.5V
1
2
RESET
VCC
Q8203
12C_MAIN
SYNC SEP
Q8003
2P
12C_MAIN
5V
DVI_RST
VGA
MUTE
1
2
3
Q8011
Q8013
Q8012
Y
PR
PB
DVI-HDTV
L
R
Q8402,8405
Q8401,8404
Q8400,8403
2
3
6
5
1
7
-
-
+
+
IC605
2
3
5
6
1
7
+
+
-
-
IC8604
IC9301
AUDIO R
AUDIO L
BUFFER
BUFFER
5
6
1
-
+
AUDIO L
3
2
1
-
+
AUDIO R
IC8602
BUFFER
CN3001
TO K BOARD
R-
L-
L+
SP_MUTE
R+
1
2
4
5
7
CN8601
TO ANT SW
MS1
9V
MS2
1
3
4
CN8003
TO FAN
FAN1
FAN2
DRV2
FAN3
DRV1
2
3
5
6
8
CN8005
SP_DC_PROT
8
STBY5V
LATCH
MUTE
Q8801,8802,Q8805
MUTE
Q8807-Q8809
SCL
SDA
12C_MAIN
12C_MAIN
LINE_MUTE
WOOFER_MUTE
SET9V
VIDEO
Q8413
1
1
STBY5V
OUT
9V REG
VCC
IC8405
SET9V
OUT
5V REG
VCC
IC8404
SET5V
DVI5V
VOUT
1.8V REG
VIN
IC8003
1
3
+14V
SET3.3V
Q8008
STBY5V
DRV3
FAN4
DRV4
9
11
12
+14V
VOUT
FAN DRIVE
VIN
IC8002
1
3
VC
2
+14V
Q8001,8010
B
C
D
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