2020
STR-K995
STR-K995
4-6. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –
• See page 41 for Waveform. • See page 42 for IC Block Diagram.
A
VIDEO BOARD
CNS206
(Page 37)
D
HDMI RE
BOARD
(1/2)
CN3512
(Page 39)
3
DIGITAL
BOARD
(4/5)
(Page 23)
4
DIGITAL
BOARD
(5/5)
(Page 24)
1
DIGITAL
BOARD
(2/5)
(Page 21)
2
DIGITAL
BOARD
(3/5)
(Page 22)
3
IC B/D
IC B/D
0
3.3
3.3
3.3
3.3
3.3
0.1
3.3
0.1
3.3
3.3
0
0.1
3.2
0
0
3.3
3.3
0
0
0.1
2.5
2.9
2.9
2.9
3.3
3.3
0.1
0.1
3.3
3.3
3.3
No mark:FM
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.3
0
3.3
0
2.6
1.2
1.2
2.5
1.4
VCC
OUT
GND
TORX147L
IC1351
VCC
OUT
GND
TORX147L
IC1354
0.1C1351
0.1
C1354
100R1351
100
R1354
10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
252627282930313233343536
987654321
37
38
39
40
41
42
43
44
45
46
47
48
IC1301
LC89056W-E
DISEL
DOUT
DINO
DIN1
DIN2
DGND
DVDD
R_SDIN
VIN_AGND
LPF
AVDD
AGND
CKOUT
BCK
LRCK
DATAO
XSTATE
DGND
DVDD
XMCK
XOUT
XIN
EMPHA
AUDIO
CSFLAG
F0/P0/C0_F0/FSB0
F1/P1/C1_F1/FSB1
F2/P2/C2_F2/DLMP
F3/P3/C3_VF/DATA02
DVDD
DGND
AUTO_VREF
BPSYNC
ERROR
DOUT
DI
CE
CLK
XSEL
MODE0
MODEL1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
75
R1355
0.1
C1361
25V
22
C1355
MA111-TX
D1302
0.1
C1358
6.3V
1000
C1359
100
R1359
0.1
C1301
0.01
C1302
0.1
C1303
0.1
C1305
0
JR1005
5.6k
R1301
4.7k
R1302
16V
47
C1306
10k
R1318
0R1321
10k
R1323
0.1
C1314
0.1
C1315
1M
R1311
100R1311
100
R1312
100R1313
10k
R1314
0.1
C1312
100pC1313
12.288MHz
X1301
18p
C1309
18p
C1310
0uHFB1305
0
R1319
0.1
C1308
680
R1305
22
R1306
100
R1307
100
R1308
100R1309
100
R1360
0
JR1020
10k
R1096
0uH
FB1302
0.01
C1362
W1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
J1311
P GND
VBUS +5V
NC
+5V
CLINK_RX
CLINK_TX
CLINK_DET
DGND
CLINK_WM_DET
CLINK_WM_AD
AGND
AGND
CLINK_L
CLINK_R
WM_RXD
WM_TXD
VIDEO
VIDEO_GND
1kR1352
1kR1353
100
R1304
0.01
C1304
33k
R1303
0uH
FB1350
0
R1325
0uH
FB1310
470
R1356
47k
R1357
470k
R1358
CL001
CL002
CL003
CL004
CL005
CL006
CL007
CL008
CL010
CL011
CL013
CL042
CL043
CL04 4
CL045
CL046
0.1
C1316
0uH
FB1309
8765
4321
TC7WU04FU(TE12R)
IC1303
0.1
C1920
0uH
FB1504
1
2
3
4
5
6
7
7P
CNS506
HDMI_CEC_IN
HDMI_RESET
HDMI_UART_RX
HDMI_UART_TX
HDMI_REG_CTL
HDMI_ERROR(MUTE)
HDMI_SPDIF
16 15 14 13 12 11
10 9
87
6
5432
1
TC74ACT153F(EL)
IC1302
STROBE
B
1C3
1C2
1C1
1C0
1Y
GND2 Y
2C0
2C1
2C2
2C3
A
STROBE
VCC
MA111-TX
D1301
0uH
JR1511
100
R1327
10V
470
C2281
8
432
567
1
TC7WH157FK
IC1017
A
B
/Y
GND Y
/A B
/G
VCC
100
R1331
100
R1332
0.1
C1331
0uH
FB1505
0.1
C1921
R1951 10k
R1952
10k
R1953
10k
C1953
0.01
C1951 0.01
C1952
0.01
1
2
3
4
5
6
7
7P
CNS509
V MUTE
COMP-S2
COMP-S1
V-SW1
V-SW2
V-SW3
V-SW4
J1301
C1800
1000p
C1801
1000p
C1802
1000p
C1803
1000p
C1804
1000p
C1805
1000p
C1806
1000p
0.1
C1987
0.1
C1986
2
3
4
5
6
7
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
55
40
39
8983 84 85 86 87 88 90 91
DIGITAL BOARD (1/5)
IC1303
INVERTER
OPTICAL IN
IC1354
IC1351
OPTICAL IN
AUDIO IN SELECT
IC1302
IC1301
DIGITAL AUDIO
SELECTOR
IC1017
I/F RECEIVER
DIGITAL
COAXIAL
DVD
IN
OPTICAL
SAT
IN
VIDEO 2
BD IN
DMPORT
2
1
3
2
1
3
1 2 3 4 5 6 7 8 9 10 11 12 13
A
B
C
D
E
F
G
H
I
J
K
L
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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