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

4-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –
1 2
A
CNS509
13P
COMP MUTE
HDMI 6.8V
S2(HDMI)
S1(HDMI)
OED(HDMI)
PRE(HDMI)
B
A
CTL(HDMI)
COMP_S2
VIDEO
BOARD COMP_S1
CNS207
V_SW1
(Page 36)
V_SW2
V_SW3
V_SW4
C
GND 3
E 2
+6.5V
1
GND
DCDC
CNP512
BOARD
3P
CN4103
(Page 32)
D
GND
SAT OUT
IN
VCC
OPTICAL
GND
OUT
VIDEO 2 /
BD IN
VCC
E
DIGITAL
J1301
COAXIAL
DVD
IN
F
P GND 1
VBUS +5V 2
NC 3
VIDEO 5V 4
C LINK_RX 5
G
C LINK_TX 6
DET 7
DGND 8
WM DET 9
DM PORT
WM AD 10
AGND_L 11
AGND_R 12
H
L 13
R 14
WM RxD 15
WM TxD 16
VIDEO(NC) 17
VGND(NC) 18
J1311
I
18P
J
K
L
STR-K990
• See page 39 for Waveform. • See page 39 for IC Block Diagram.
3 4 5
DIGITAL BOARD (1/5)
CL013
CL012
CL011
CL009
CL007
CL005
CL004
CL003
CL002
CL001
CL024
C1639
0.1
IC1354
IC1354
OPTICAL IN
TORX147L
2
R1354
0.1
100
1
3.3
3
C1354
0.1
IC1351
TORX147L
JR1009
2
0.1 R1351
100
1
3.3
JR1010
3
C1351
IC1351 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
R1352 1k
R1353 1k
C1910
C1919
100
22
10V
35V
C1911
0.1
81 82 83
6 7 8
FB1350
0uH
CLINK_TX
CLINK_RX
FB1310
0uH
R1356
470
R1357
47k
8 7 6 5
FB1302
0uH
1 2 3 4
C1359
C1358
1000
0.1
6.3V
R1359
C1301
100
0.1
R1301
C1302
IC1303 5.6k
0.01
JR1005
0
W1001 INVERTER
C1304
0.01
C1303
R1304
0.1
100
R1940
0 R1303 R1302
33k 4.7k
C1305
0.1
C1306
47
16V
80 85
DIGITAL BOARD
9
(3/5)
(Page 21)
19 19
9 10 11 12
R1321 0
C1315
0.1 C1314
0.1
R1318
10k
0
DISEL DI
3.3
DOUT DOUT
0.1 3.3
IC1301
DINO ERROR
0.1
DIN1 DIGITAL AUDIO BPSYNC
2.5 I/F RECEIVER
DIN2 AUTO_VREF
DGND DGND
IC1301
3.3 3.3
LC89056W-E
DVDD DVDD
2.9
C1312
R_SDIN F3/P3/C3_VF/DATA02 0.1
2.9
IC B/D
VIN_AGND F2/P2/C2_F2/DLMP
2.9
LPF F1/P1/C1_F1/FSB1
3.3 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
D1301 18p 18p
MA111-TX
R1305
680
86 87 84
STR-K990
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
C1313 100p
22
24
28
23
DIR_DI
25
R1313 100
26
R1312 100
27
8
1
DIGITAL
3
BOARD
(2/5)
4
(Page 20)
29
43
38
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