Sony STR-K790 Service Manual - Page 18

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STR-K790 4-5. SCHEMATIC DIAGRAM - DIGITAL BOARD (1/5) - • See page 13 for Waveform. • See page 35 for IC Block Diagram. 1 2 3 4 5 6 7 8 9 10 11 AEP,UK A A B HDMI BRIDGE BOARD CNS199 (Page 24) C DIGITAL BOARD (1/5) COMP MUTE HDMI 6.8V S2(HDMI) CNS509 13P CL013 1 CL012 2 CL011 3 S1(HDMI) OED(HDMI) 4 CL009 5 PRE(HDMI) CTL(HDMI) 6 CL007 7 COMP_S2 8 CL005 COMP_S1 9 CL004 V_SW1 10 CL003 V_SW2 11 CL002 V_SW3 12 CL001 V_SW4 13 IC1351 D OPTICAL VIDEO 2/ BD IN DIGITAL J1301 COAXIAL OPTICAL IN GND 2 0.1 OUT 1 3.3 VCC 3 IC1351 TORX147L J1301 R1351 100 C1351 0.1 C1361 0.1 R1356 470 DVD IN R1355 75 R1357 47k 1.2 1.2 C1355 22 25V 8 7 6 5 E D1302 MA111-TX FB1350 0uH FB1310 0uH JR1009 0 JR1010 0 C1315 0.1 R1318 10k IC1303 TC7WU04FU(TE12R) 2.6 1 2 3 4 5 6 7 8 9 10 11 12 F G 15 W1001 DIGITAL H BOARD (4/5) (Page 21) I 1 2 3 4 1.4 2.5 C1358 0.1 C1359 1000 6.3V IC1303 INVERTER R1359 100 FB1302 0uH 0.1 C1301 0.1 2.5 C1302 0.01 JR1005 R1301 5.6k 3.3 0 2.9 C1304 2.9 C1303 0.1 0.01 R1304 100 2.9 3.3 R1303 R1302 33k 4.7k C1305 0.1 C1306 47 16V DISEL DOUT DINO DIN1 DIN2 DGND DVDD R_SDIN VIN_AGND LPF AVDD AGND R1308 100 D1301 MA111-TX JR1511 0uH R1305 680 JR1020 0 R1360 100 R1306 22 R1307 100 R1309 100 1.6 CKOUT 1.6 BCK 1.6 LRCK 1.6 DATAO 1.6 XSTATE DGND 3.3 DVDD 1.6 XMCK 1.6 XOUT 1.6 XIN EMPHA 0 AUDIO XMODE CKSEL1 CKSEL0 DOSEL1 DOSEL0 DVDD DGND MODEL1 MODE0 XSEL CLK CE 3.2 0 0 R1323 10k 3.3 3.3 0 0 13 48 14 47 15 46 16 45 C1314 0.1 R1321 0 C1313 100p XMODE DIR_CKSEL 37 38 39 40 41 42 43 44 R1314 10k IC1301 DIGITAL AUDIO I/F RECEIVER IC1301 LC89056W-E IC B/D DI DOUT ERROR BPSYNC AUTO_VREF DGND DVDD F3/P3/C3_VF/DATA02 F2/P2/C2_F2/DLMP F1/P1/C1_F1/FSB1 3 F0/P0/C0_F0/FSB0 CSFLAG 36 35 34 33 32 31 30 29 28 27 26 25 0 3.3 R1313 100 3.3 R1312 100 3.3 C1312 0.1 DIR_DI 24 23 22 21 20 19 18 17 C1308 0.1 FB1305 0uH R1319 0 R1325 0 R1310 1M C1309 18p X1301 12.288MHz C1310 18p R1311 100 J K STR-K790 80 85 86 87 84 9 DIGITAL BOARD (3/5) (Page 20) 18 18 No mark:FM 12 13 2 6 DIGITAL 5 BOARD (4/5) (Page 21) 6 7 8 9 10 11 12 13 14 7 15 DIGITAL 16 BOARD (5/5) (Page 22) 20 21 22 24 28 23 25 26 27 8 1 DIGITAL 3 BOARD 4 (2/5) 29 (Page 19) 43 38

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18
18
STR-K790
STR-K790
4-5.
SCHEMATIC DIAGRAM
– DIGITAL BOARD (1/5) –
• See page 13 for Waveform.
• See page 35 for IC Block Diagram.
A
HDMI
BRIDGE
BOARD
CNS199
(Page 24)
15
DIGITAL
BOARD
(4/5)
(Page 21)
3
8
DIGITAL
BOARD
(2/5)
(Page 19)
7
DIGITAL
BOARD
(5/5)
(Page 22)
9
DIGITAL BOARD
(3/5)
(Page 20)
6
DIGITAL
BOARD
(4/5)
(Page 21)
No mark:FM
2.6
2.5
1.2
1.2
1.4
3.3
0.1
3.2
0.1
1.6
0
2.5
3.3
2.9
2.9
2.9
3.3
1.6
1.6
1.6
1.6
3.3
1.6
1.6
1.6
3.3
3.3
3.3
0
0
3.3
3.3
0
0
0
VCC
OUT
GND
TORX147L
IC1351
0.1
C1351
100
R1351
1
2
3
4
5
6
7
8
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
36
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
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
0
JR1009
0
JR1010
R1321
0
10k
R1323
0.1
C1314
0.1
C1315
1M
R1310
100
R1311
100
R1312
100
R1313
10k
R1314
0.1
C1312
100p
C1313
12.288MHz
X1301
18p
C1309
18p
C1310
0uH
FB1305
0
R1319
0.1
C1308
680
R1305
22
R1306
100
R1307
100
R1308
100
R1309
100
R1360
0
JR1020
0uH
FB1302
J1301
J1301
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CNS509
AEP,UK
COMP MUTE
HDMI 6.8V
S2(HDMI)
S1(HDMI)
OED(HDMI)
PRE(HDMI)
CTL(HDMI)
COMP_S2
COMP_S1
V_SW1
V_SW2
V_SW3
V_SW4
100
R1304
0.01
C1304
33k
R1303
0uH
FB1350
0
R1325
0uH
FB1310
470
R1356
47k
R1357
CL001
CL002
CL003
CL004
CL005
CL007
CL009
CL011
CL012
CL013
0uH
JR1511
8
7
6
5
4
3
2
1
TC7WU04FU(TE12R)
IC1303
MA111-TX
D1301
MA111-TX
D1302
W1001
DIR_DI
DIR_CKSEL
XMODE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
21
22
23
24
25
26
27
28
29
85
87
43
80
84
86
38
DIGITAL BOARD
(1/5)
IC B/D
IC1303
IC1301
IC1351
OPTICAL IN
DIGITAL AUDIO
I/F RECEIVER
INVERTER
DVD
IN
COAXIAL
DIGITAL
OPTICAL
VIDEO 2/
BD IN
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