Yamaha DVD-C940 Service Manual page 51

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Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM (AV 1/4)
1
2
AV_SYS CLK & CONTROL
A
1400
I143
1
384 FS
2
3
I100
SEL3
3100
4
B
2102
100R
5
I102
SDT3
3101
6
2103
100R
7
I103
SEL2
3102
8
100R
9
I104
SDT2
3103
10
100R
11
C
I105
SEL1
3104
12
100R
13
I106
SDT1
3105
14
100R
15
I107
LRCLK
3106
16
100R
2104
17
I108
3107
18
BCLK
D
2107
100R
19
I109
3108
20
PCM_CLK
100R
21
22
23
24
25
T E
L
1 3 9 4 2 2 9 6 5 1 3
E
26
27
28
29
30
F
1423
I151
EH-B
1
I152
2
I153
3
I154
G
4
+5VSTBY
I155
5
I156
6
I157
7
I158
8
EH-S
1422
I137
H
12
I146
11
I138
10
I147
9
8
+5VSTBY
7
+12V_Power
6
I150
I
-32V_Power
5
I159
4
I160
3
2
I161
1
w w w
1
2
.
3
4
5
6
3V3D_7101
8
I120
5100
I121
3110
5
3
10R
1u0
7101-C
4
TC7WHU04FU
3V3_OSC
7100-A
8
TC7WHU04FU
1
I101
4
I110
47p
3111
1M
I111
15p
1100
NX6035SA
1
3
I112
2
4
33M8688
I113
I114
CLK_SEL
I115
I116
15p
I117
15p
IR_SW
IR
RC6_IN
+5VSTBY
7126
HEF4053B
VDD
MDX
6
G4
12
14
1
13
2
11
4X1
4X2
2
15
RC6_OUT
1
10
5
4
3
9
7104
PCF8574T
VEE VSS
13 INT_
1 A0
IR_SW
2 A1
RC6_IN
3 A2
UP_RESET
14 SCL
SCL_3V3
INPUT
15 SDA
SDA_3V3
SCL_5V
FILTER
SDA_5V
16 VDD
POWER-ON
STDBY_CTRL
+3V3D
RESET
2108
8 VSS
100n
SCL_5V
SDA_5V
STDBY_CTRL
P50
UP_RESET
IR
RC6_OUT
3
4
5
6
x
a o
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i
http://www.xiaoyu163.com
The first digit of a component indicates the component type.
8
1xxx : Connector
2xxx : Capacitor
7
8
9
10
3V3D_7101
8
2
6
7101-B
4
TC7WHU04FU
3V3D_7125
3V3_OSC
7125-A
74LVC74AD
7
7100-C
TC7WHU04FU
4
8
3
5
3
2
4
1
I124
3V3D_7103
3V3D_7103
14
14
1
12
3
11
2
13
7103-A
7103-D
74LVC00AD
7
7
74LVC00AD
3V3D_7103
7103-B
74LVC00AD
Q
Q
14
3
7
6
3
4
3123
6
5
47R
7
3
+3V3D
2
4K7
1
3114
SSSS2
1101
INTERRUPT
LP FILTER
LOGIC
P0
4
P1
5
2
I
C BUS
P2
6
CONTROL
P3
7
SHIFT
8 BIT
I/O
P4
9
REGISTER
PORTS
I128
I132
P5
10
P6
11
I134
P7
12
4K7
+3V3D
3118
+3V3D
4K7
+3V3D
3119
7
8
9
10
u 1 6 3
.
http://www.xiaoyu163.com
2
4
9
9
8
3xxx : Resistor
5xxx : Coil
4xxx : SMD jumper
6xxx : Diode
11
12
13
3V3D_7101
3V3_OSC
7100-B
8
8
TC7WHU04FU
6
2
1
4
4
14
5101
5
3V3D_7101
100n
2114
5104
6
3V3D_7103
100n
3V3D_7125
7
2111
7125-B
5102
74LVC74AD
14
3V3D_7125
100n
10
9
2110
11
12
5103
13
8
3V3_OSC
100n
7
2100
3V3D_7103
14
9
I131
1
5
1
5
0
3130
8
9
2
4
8
MCLK1
10
47R
7103-C
7
74LVC00AD
+3V3D
+5VSTBY
*
*
3121
*
3122
6100
15K
4K7
BAS316
*
3138
+3V3D
*
3136
V DC Vtg measured in STOP-MODE
m
11
12
13
c o
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
DVD-C940/DV-C6680
2
9
9
7xxx : IC, Transistor, FET
9xxx : Wire jumper
I158 G1
14
1100 B6
1101 F8
I159 I1
1400 A1
I160 I1
1422 H1
I161 I1
1423 F1
I162 I1
2100 D13
2101 A4
2102 B3
2103 B3
2104 D3
2105 C6
2106 C7
A
2107 D3
2108 H6
2109 H9
7
2110 C13
2111 C13
7101-A
2112 C6
TC7WHU04FU
2113 C7
2114 B13
3100 B2
3101 B2
3102 B2
3103 C2
B
3104 C2
3105 C2
3106 D2
3107 D2
3108 D2
3109 F9
3110 A5
3111 B6
3112 B7
+3V3D
3113 F9
3114 F8
C
3115 F9
3116 F10
3117 H9
3118 H8
3119 I8
+3V3_OSC
3120 C9
3121 F11
3122 F12
3123 E9
3124 G11
3125 G12
3126 G13
D
3128 H11
3130 E12
3136 H12
3138 G12
5100 A5
5101 B13
5102 C13
5103 C13
5104 B13
6100 F12
7100-A B6
9
8
2
9
9
7100-B A12
E
7100-C B7
7101-A A14
7101-B A7
7101-C A6
7103-A D7
7103-B E7
7103-C E12
7103-D D9
7104 F6
7122 G12
7124 H12
F
7125-A B10
7125-B C12
7126 E4
I100 B2
I101 B3
I102 B2
I103 B2
I104 C2
I105 C2
I106 C2
I107 D2
I108 D2
G
I109 D2
I110 B3
I111 B3
I112 C3
I113 C3
I114 C3
I115 D3
I116 D3
I117 D3
I120 A4
I121 A6
I122 B6
H
I123 B7
I124 C7
I128 G10
I131 E12
I132 G9
I134 H8
I137 H1
I138 H1
I139 H11
I142 G11
I143 A1
I
I146 H1
I147 H1
I150 I1
I151 F1
I152 G1
I153 G1
I154 G1
I155 G1
I156 G1
I157 G1
14
51

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