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

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