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Schematic Diagram - Digital Board (1/5) - Sony STR-K890 Service Manual

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STR-K890
Q Q
4-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –
3 7 6 3 1 5 1 5 0
1
2
DIGITAL BOARD
A
CNS509
13P
CL013
COMP MUTE
CL012
HDMI 6.8V
CL011
S2(HDMI)
S1(HDMI)
CL009
OED(HDMI)
PRE(HDMI)
B
CL007
A
CTL(HDMI)
COMP_S2
VIDEO
CL005
BOARD
COMP_S1
CL004
CNS207
V_SW1
CL003
(Page 35)
V_SW2
CL002
V_SW3
CL001
V_SW4
C
GND
3
E
2
+6.5V
GND
1
DCDC
CL024
CNP512
BOARD
3P
CN4103
IC1354
(Page 31)
D
IC1354
OPTICAL IN
TORX147L
GND
2
0.1
1
SAT
OUT
IN
3.3
VCC
3
IC1351
OPTICAL
TORX147L
GND
2
0.1
OUT
1
VIDEO 2 /
BD IN
3.3
VCC
3
E
DIGITAL
IC1351
OPTICAL IN
J1301
COAXIAL
DVD
IN
T E
L
1 3 9 4 2 2 9 6 5 1 3
F
JL007
P GND
1
JL008
VBUS +5V
2
NC
3
VIDEO 5V
4
JL009
G
C LINK_RX
5
JL010
C LINK_TX
6
JL011
DET
7
DGND
8
JL014
WM DET
9
DM PORT
WM AD
10
AGND_L
11
H
AGND_R
12
R1352 1k
L
13
R1353
1k
R
14
WM RxD
15
WM TxD
16
VIDEO(NC)
17
VGND(NC)
18
J1311
I
18P
J
K
w w w
L
STR-K890
• See page 13 for Waveform. • See page 38 for IC Block Diagram.
3
4
5
6
(1/5)
C1639
0.1
R1354
100
C1354
0.1
JR1009
R1351
100
JR1010
C1351
CLINK_TX
0.1
CLINK_RX
C1361
R1356
0.1
470
R1355
75
C1355
8
22
25V
C1920
IC1906
0.1
+5V REG
C1921
0.1
1
IC1906
IC SI-3050KM-TL
5
4
3
2
1
IC1303
W1001
FB1504
FB1505
0uH
0uH
R1637
0
C1910
C1919
100
22
R1940
10V
35V
0
C1911
0.1
x
a o
81 82
83
80
.
i
http://www.xiaoyu163.com
7
8
9
FB1350
0uH
FB1310
0uH
C1315
0.1
R1357
47k
Q
Q
R1318
3
7
10k
7
6
5
FB1302
0uH
DISEL
2
3
4
DOUT
0.1
C1359
C1358
1000
DINO
0.1
6.3V
0.1
DIN1
R1359
C1301
100
2.5
0.1
DIN2
DGND
R1301
3.3
C1302
5.6k
0.01
JR1005
DVDD
0
2.9
INVERTER
R_SDIN
C1304
2.9
0.01
C1303
VIN_AGND
R1304
0.1
2.9
100
LPF
3.3
AVDD
R1303
R1302
33k
4.7k
AGND
C1305
0.1
C1306
47
16V
R1308
100
JR1511
0uH
D1301
MA111-TX
R1305
680
u 1 6 3
y
85
DIGITAL BOARD
9
(3/5)
(Page 20)
18
18
http://www.xiaoyu163.com
2
4
8
9
9
10
11
12
13
XMODE
R1321 0
DIR_CKSEL
C1314
C1313
100p
0.1
6
3
1
5
1
5
0
8
9
0
DIR_DI
DI
3.3
R1313
100
DOUT
3.3
R1312
IC1301
100
ERROR
BPSYNC
DIGITAL AUDIO
I/F RECEIVER
AUTO_VREF
DGND
IC1301
3.3
LC89056W-E
DVDD
C1312
F3/P3/C3_VF/DATA02
0.1
IC B/D
F2/P2/C2_F2/DLMP
F1/P1/C1_F1/FSB1
3
F0/P0/C0_F0/FSB0
CSFLAG
R1325
0
C1308
0.1
R1311
100
FB1305
0uH
R1310
1M
X1301
R1319
12.288MHz
0
C1309
C1310
18p
18p
m
No mark:FM
c o
86
87
84
.
2
8
9
9
14
15
6
2
DIGITAL
BOARD
5
(4/5)
(Page 21)
6
7
8
9
10
11
12
13
14
15
16
7
DIGITAL
BOARD
(5/5)
(Page 22)
17
18
19
20
21
2
4
22
9
8
2
9
9
24
28
23
25
26
27
8
1
DIGITAL
3
BOARD
(2/5)
4
(Page 19)
29
43
38

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