Schematic Diagram - Digital Board (1/5) - Sony STR-K990 Service Manual

Q Q
4-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –
3 7 6 3 1 5 1 5 0
1 2
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 36)
V_SW2
CL002
V_SW3
CL001
V_SW4
C
GND 3
E 2
+6.5V
GND 1
DCDC
CNP512
BOARD
3P
CN4103
(Page 32)
D
GND 2
1
SAT OUT
IN
VCC 3
OPTICAL
GND 2
OUT 1
VIDEO 2 /
BD IN
VCC 3
E
DIGITAL
IC1351
J1301
COAXIAL
DVD
IN
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
P GND 1
VBUS +5V 2
NC 3
VIDEO 5V 4
G C LINK_RX 5
C LINK_TX 6
DET 7
DGND 8
WM DET 9
DM PORT
WM AD 10
AGND_L 11
H AGND_R 12
R1352 1k
L 13
R1353
R 14
WM RxD 15
WM TxD 16
VIDEO(NC) 17
VGND(NC) 18
J1311
I
18P
J
w w w K
L
STR-K990
• See page 39 for Waveform. • See page 39 for IC Block Diagram.
3 4 5
DIGITAL BOARD (1/5)
CL024
C1639
0.1
IC1354
IC1354
OPTICAL IN
TORX147L
R1354
0.1
100
3.3
C1354
0.1
IC1351
TORX147L
JR1009
R1351
0.1
100
3.3
JR1010
C1351
0.1
OPTICAL IN
C1361
0.1
R1355
75
C1355
22
JL007 25V
JL008
C1920
IC1906
0.1
+5V REG
JL009 C1921
0.1
JL010
IC1906
IC SI-3050KM-TL
JL011
JL014
5 4 3 2 1
FB1504 FB1505
0uH 0uH R1637
0
1k
C1910 C1919
100 22 R1940
10V 35V 0
C1911
0.1
x a o
y
81 82 83
. i
http://www.xiaoyu163.com
6 7 8 9
FB1350
0uH
CLINK_TX
CLINK_RX
FB1310
0uH
R1356
470
R1357
47k
Q Q
3 7 6
8 7 6 5
FB1302
0uH
1 2 3 4
0.1
C1359
C1358
1000
0.1
6.3V
0.1
R1359
C1301
100 2.5
0.1
R1301
3.3
C1302
IC1303 5.6k
0.01 JR1005
0 2.9
W1001 INVERTER
C1304 2.9
0.01
C1303
R1304
0.1 2.9
100
3.3
R1303 R1302
33k 4.7k
C1305
0.1
C1306
47
16V
D1301
MA111-TX
u 1 6 3
80 85
DIGITAL BOARD
9
(3/5)
(Page 21)
19 19
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2 4
8 9 9
10 11 12
R1321 0
C1315
0.1
C1314 C1313 100p
0.1
R1318
3 1 5 1 5 0 8 9 2
10k
0
DISEL DI
3.3 R1313 100
DOUT DOUT
3.3 R1312
IC1301 100
DINO ERROR
DIN1 BPSYNC
DIGITAL AUDIO
I/F RECEIVER
DIN2 AUTO_VREF
DGND DGND
IC1301
3.3
LC89056W-E
DVDD DVDD
C1312
R_SDIN F3/P3/C3_VF/DATA02 0.1
IC B/D
VIN_AGND F2/P2/C2_F2/DLMP
LPF F1/P1/C1_F1/FSB1
3
AVDD F0/P0/C0_F0/FSB0
AGND CSFLAG
R1325
0
C1308
0.1
R1311
100
FB1305
R1308
0uH R1310
100
1M
X1301
R1319 12.288MHz
0
JR1511
0uH
C1309 C1310
18p 18p
R1305
680
m
c o
86 87 84
.
STR-K990
2
8 9 9
13 14 15
6
2
DIGITAL
BOARD
5
(4/5)
(Page 22)
6
7
8
9
10
11
12
13
14
15
16
7
DIGITAL
BOARD
(5/5)
(Page 23)
17
18
19
XMODE
20
DIR_CKSEL
21
4 9 8 22 2 9 9
24
28
23
DIR_DI
25
26
27
8
1
DIGITAL
3 BOARD
(2/5)
4
(Page 20)
29
43
38
No mark:FM