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

4-9. SCHEMATIC DIAGRAM – DIGITAL BOARD (5/5) –
1 2 3
A
DIGITAL BOARD
B
17
18
19
C
5
15
16
D
7
E
DIGITAL
BOARD
(1/5)
(Page 19)
F
6
7
8
9
10
11
12
G
13
20
21
22
24
25
26
H
14
28
23
61
I
62
63
66
67
69
68
70
12
J
71
DIGITAL
72
BOARD
79
(2/5)
77
(Page 20)
78
76
73
K
74
75
46
47
48
49
L 13
50
51
DIGITAL
53
BOARD
(3/5) 54
(Page 21)
55
M
STR-K990
• See page 39 for Waveform. • See page 44 for IC Pin Function Description.
4 5 6 7
88 90 89
(5/5)
TUNER_DI
TUNER_CLK
RDS_SIG
TUNER_DO/SD/ST
V_SW3
V_SW4
80 79 78 77 76 75 74 73 72 71 70 69
X1101 81 VSS
R1524
24MHz 1.3
0
82 X0
2
1.1
83 X1
C1299
3.3
0.1
84 VCC3
R1014 100 0
HDMI_S2
85 HDMI_S2
R1013 100 0
HDMI_S1
86 HDMI_S1
R1012 100 0
HDMI_OED
87 HDMI_OED
R1011 100 0
HDMI_PRE
88 HDMI_PRE
R1010 100 0
HDMI_CTRL
89 HDMI_CTRL
0
COMP_S2 R1062 100
90 COMP_S2
R1061 100 3.3
COMP_S1
91 COMP_S1
R1049 10k
0
R1120 1k
92 BST_SEL
R1041 100 3.3
XMODE
93 XMODE
R1042 100 0
DIR_CKSEL
94 CKSEL1
R1140 100 0
DIR_CLK
95 CLK
R1134 100 0
DIR_CE
96 CE
DIR_DI R1135 100 0
97 DI
3.2
DIR_DO
98 D0
3.2
99 ERROR
3.3
DIR_XSTATE
100 XSTATE
1 2 3 4 5 6 7 8 9 10 11 12
R1065 100
V_SW1
R1066 100
V_SW2
R1143 100
R1144 100
DSP_HCS
R1121 100
DSP_GP12
R1161 100
DSP_HDIN
R1160 100
DSP_HCLK
R1151 100
DSP_HDOUT
R1152 100
R1153 100
R1154 100
PCM1609/1803_RST
8 9 10 11
14
91 92 97 99 93 94 95 96 98 a1 a2 a4
R1187
10k
IC1111
IC1111
S-80929CNMC-G8ZT2G
RESET 3.3 0
1 5
3.3
2
3 4
C1137
0.01
C1138
0.1
R1039 R1189
C1107 C1102
10k 10k
0.1 0.1
R1122 100
R1123 100
68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
C1604
0.1
R1635
3.3 10k
MD1 50
3.3
MD0 49
0
STOP 48
0 R1118 1k
TUNER DATA 47
0 R1117 1k
TUNER CLK 46
C1255
0
220p
C1254
VAX CTRL 45
220p
0
MODEL 44
0
IC1101
TUNER SD 43
SYSTEM CONTROLLER VSS 42
0
VERSION 41
IC1101 3.3
MB90F045PF-G-9034-SPE1
A/D2 40
3.3
A/D1 39
3.3
ADCC 38
C1142 0.1
AVSS 37
3.3
AVRH 36
3.3
AVCC 35
C1124
0.1
NC 34
NC 33
3.3
ENC_B 32
3.3
ENC_A 31
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R1948 100
R1096
10k
R1947
22
R1941
C1149 C1495
10k 220p 220p
C1144 C1145
0.01 0.01
R1076 100
23 23
12 13 14
DIGITAL BOARD
(4/5)
(Page 22)
a6 a3 a5 a7 a8 b8 a9 b1 b2 b3 b4 b5 b6
C1108
0.1
R1190
10k
C1103
47
C1605
0.1
R1636
10k
C1620
0.1
R1175
100
C1119 0.1
R1164 10k
C1118 0.1
R1194
0
R1157 0
R1156 0
R1050
100
C1139
STR-K990
15 16 17 18
b7
C1067
220p
C1068
220p
9 SDA
8 SCL
7 MD2
for
6 MD0
FLASH
5 RESET
R1159
CL034
3.3k PROGRAMMING
4 GND
CL035
3 VDD
2 FLASH 2
1 FLASH 1
CNS504
9P
8 7 6 5
1 2 3 4
0.1
IC1131 CNS502
11P
EEPROM 1 NC
2 NC
3 NC
CL037
4 VOL IC_CLK
CL036
5 VOL IC_DATA_LAT
G
6
VACS CTRL
MAIN
7
SBR_OUT
BOARD
8 SBL_OUT
(1/4)
9 SR_OUT
CN500
10 -7V (Page 25)
11 SL_OUT
No mark:FM