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Schematic Diagram - Display Board (2/2) - Sony STR-DA6400ES Service Manual

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6-89. SCHEMATIC DIAGRAM - DISPLAY Board (2/2) -

1
2
DISPLAY BOARD (2/2)
A
B
D121
SID1K10CXM
(SIRCS CODE RECEIVER)
R174
10k
IC104
WAVE SHAPPER
IC104
TC74VHCU04FT(EL)
C151
C
220p
2.8
1
VDD
2.8
2
C150
4700p
2.8
3
R171
22k
2.8
4
R172
T E
L
1 3 9 4 2 2 9 6 5 1 3
4.7k
2.8
5
R173
D
2.2M
2.8
6
3.1
7
VSS
R175
47k
E
C152
0.047
3.1
0
F
Q112
2SC2712-GL-TE85L
GND SWITCH
w w w
STR-DA6400ES
• See page 125 for waveforms. • See page 148 for IC Pin Function Description.
3
4
39
38
40
NO USE
41
NO USE
42
NO USE
3.2
14
43
NO USE
3.2
44
NO USE
13
45
NO USE
12
46
NO USE
3.2
47
NO USE
11
JL170
48
LEARN LED
R179
2.8
100k
10
49
NO USE
2.8
50
NO USE
9
0
51
LEARN CIR ON
3.1
3.1
8
52
LEARN
IR IN
1
2
R177
470
C153
0.047
R178
22k
X101
5MHz
R176
1k
C155
0.047
x
a o
y
.
i
http://www.xiaoyu163.com
5
6
7
JL188
JL189
R183
R185
R186
100
100
100
37
36
35
34
33
32
31
30
29
28
27
NO USE
26
NO USE
25
NO USE
24
NO USE
23
IC105
NO USE
22
UPDATE SIGNAL PROCESSOR
NO USE
21
IC105
NO USE
20
μPD78F0527GB(S)-UET-A
NO USE
19
0
Q
Q
P33
18
3
7
6
NO USE
17
3.1
BAUDRATE1
16
R188
3.1
BAUDRATE2
15
3.1
BAUDRATE3
14
3
4
5
6
7
8
9
10 11 12 13
71
R190
100k
C160
C157
C156
C158
R184
C159
C161
47
220
0.47
0.1
0.1
0.1
10k
16V
10V
u 1 6 3
.
115
115
2
4
8
9
9
8
9
JL190
3
1
5
1
5
0
8
9
2
R189
47k
47k
R187
47k
UPDATE_RX
UPDATE_TX
IR-LEARN-UART_RX
IR-LEARN-UART_TX
JL167
IROUT
D3.3V
FLMDO
IR-LEARNING_UCOM_RESET
R181
GND
1k
JL164
m
c o
STR-DA6400ES
2
8
9
9
10
4
9
8
2
9
9
31
DISPLAY
BOARD
(1/2)
(Page 114)

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