Sony WEGA KE-50XBR900, KE-42XBR900, Service Manual, Page: 41 / 203

KE-50XBR900(UC) 4-6
4-1-2. MEDIA RECEIVER UNIT (MBT-XBR900)
S171-176
1
2
3
4
KEY1
CN171
CN107
KEY-WAKE
GND
GND 1
2
3
4
D171
H3(KEY)
P-SW(+)
P-SW(-)
P-ON 3
2
1
E
E
4
STBY+5V
5
6
4
5
6
3
2
1
S191
POWER
H4(POWER SW)
CN191
CN105
CN106
1
2
3
4
5
6
7
8
9
10
SCL
SDA
SDT5V
STBY5V
GND
GND
GND
P-ON
P-SW(-)
P-SW(+)
TO A BOARD
CN6203
IC101
LED DRIVE
SDA
SCL A03
A04
DA5
DA6
20
21
3
4
5
6
DA7
DA8
DA9
7
8
9
A02 2
DA10 10
LED DRIVE
Q101-108
D101-108
5V
1
2
3
4
5
6
7
8
KEY1
KEY_WAKE
GND
NC
NC
NC
P_LED
STBY_LED
9 TIMER LED
Q117-124
LED SW
D126,D127 5V TO ABOARD
CN6204
CN101
H1(LED)
A
B
12
13
11
10
9
8
7
6
5
4
3
2
1 4 3
2 1
V2
V2
GND
GND
GND
V2
GND
V2
GND
V2
GND
V2
V2
CN43
H2
TO AD BOARD
CN4001
J40
-R
-L
-V
-Y
-C
-S2
-SW
(VIDEO2 INPUT, VOLUME CONTROL)
VIDEO IN2 VIDEO
L
R
AUDIO
S VIDEO
F
IC1402
IC1403
IC1401
CN8005
(MEMORY STICK)
TO IFA BOARD
L404
L403
L402
L401
+3.3V
D1409
STIK
MEMORY
CN1401
3.3V
VCC SW
Q1403
Q1401,1402
LED DRIVE
LVDS DRV
DI1 DI- 7
8
2
DI+
DO
2
DO
DE
CK
4
1
13
5
11
3
DE A
BUS SW
15
14
10
7
9
6
2
MS2
VCC
MS-INS
VCC
MS SDO+
MS SCLK-
MS SCLK+
MS SDIR-
MS INS
MS SDIR+
MS SDI-
MS BS-
MS SDI+
MS BS+
LVDS RECEIVER
BS
DO+
DO-
CK-
CK+
DIR-
DIR+
BS+
BS- 1
CN1402
5
3
7
6
9
8
12
11
14
13
10
15
3.3VD
MS SDO-
3
4
2
6
8
9
MS-SDIO
MS-BS
MS-SCLK
I
10
9
8
7
6
5
4
3
2
1 4 3
2 1
GND
M-R
GND
M-L
GND
M-C
GND
M-Y
GND
M-V
CN9406
U2
TO AD BOARD
CN4301
J9405
D
(MONITOR OUT)
MONITOR
OUT
VIDEO
L
R
AUDIO
S VIDEO
E