Test Mode; Schematic Diagram - Sharp SD-NX10 Service Manual

1-bit digital audio system
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SD-NX10
OPEN/CLOSE
SWITCH PWB-A5
A
SWD23
OPEN/CLOSE
CLOSE
OPEN
BIU12
3
2
1
B
CNSU11
CNSU12
3
2
1
3
2
1
CNPU12
CNPU11
BID04
+B
C
SOCKET
PWB-A6
CNPU13
1 2
CNSU13
1 2
MD/CD LID
M
MOTOR
LED A PWB-A8
D
RE18
560
CD38
RED
0.022
LEDD01
STM515AS
RE19
GREEN
390
+B
CD39
0.022
RE20
BLUE
390
CD40
E
0.022
CD52
+B
0.022
5
5
RE21
560
F
CD41
RED
0.022
GREEN
+B
RE22
390
CD42
BLUE
0.022
RE23
390
LEDD13
STM515AS
G
CD54
CD43
0.022
0.022
LED B PWB-A9
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
MD SENSOR
PWB-A7
MD DISC
IN SW
+B
+B
5.08V
0V
0V
RU89
180
+B
BIU11
3
2
1
ICU03
TA7291S
3
2
1
LOADING
MOTOR
3
2
1
DRIVER
+B
+B
1
1
1
MD_DISC_IN
2
2
2
DR_OP_IN
3
3
3
DR_CL_IN
4
4
4
5
5
5
6
6
6
7
7
7
M904
QD03~QD05: LED DRIVE
2V
1
1
1
QD03
1
KRA107M
0V
2
3
2V
2
2
2
QD04
1
KRA107M
2
3
0V
2V
QD05
3
3
3
KRA107M
1
0V
4
4
4
2
3
+B
5
5
5
SP
RE24
LEDD03
820
1
4204UGT9
LP2
BID06
RE25
LEDD04
820
LNG901CF
LP4
1
LEDD05
RE26
820
4204UYT9
SLEEP
RE27
LEDD06
820
4204UYT9
MONO
LEDD14
4204UYT9
RE52
∆∑
470
LEDD15
RE55
DB3804X
1.5K
+B
CD SWITCH PWB-A3
SWD09
CD EJECT
2
Figure 34 SCHEMATIC DIAGRAM (1/14)
10
11
12
13
1
2
3
4
5
6
7
8
9
5
7
8
9
1
2
3
4
6
RU85
1.5K
+B
CU56
47/25
DR_M+
+B
+B
LD03
2.2µH
CD05
47/25
LED1
0V
LED2
LED12
0V
CD11
10/16
LED3
+B
RE51
820
0V
CD10
0.022
LED4
18 17
16
15 14 13 12 11 10
LED5
LED6
1
2
3
4
5
6
LED7
ICD03
LED12
BU2092F
+B
INPUT/OUTPUT
EXPANDER
0V
1
+B
2
3
0V
2.41V
POWER
QD11
KRC107M
LED DRIVE
RD86
1.2K
SWD04
SWD03
AUX(DEMO)
TUNER(BAND)
RD89
RD90
RD88
1.5K
1.2K
1.8K
SWD06
SWD08
SWD07
CD STOP
CD PLAY/
FAST REVERSE/
PAUSE
TUNING DOWN
3
4
– 34 –
14
15
16
17
18
19
20
21
22
23
24
25
26
27
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
SEG16
RE02 47K
S15
SEG15
81
RE03 47K
S14
SEG14
82
RE04 47K
S13
SEG13
83
RE05 47K
S12
SEG12
84
RE06 47K
S11
SEG11
85
RE07 47K
S10
SEG10
86
RE08 47K
S9
SEG9
87
RE09 47K
S8
SEG8
88
RE10 47K
S7
SEG7
89
RE11 47K
S6
SEG6
90
VCC
91
RE12 47K
S5
SEG5
92
RE13 47K
S4
SEG4
93
RE14 47K
S3
SEG3
94
RE15 47K
S2
CD04
SEG2
95
0.022
RE16 47K
S1
SEG1
96
RE17 47K
S0
SEG0
97
VEE
98
AVSS
99
CD07
1/50
VREF
100
CD06
0.022
LD02
1
2
3
2.2µH
RD01
1K
RD05
1K
KEY_4
+B
RD62 10K
CD12 47P
RD63 10K
CD13 47P
RD64 10K
CD14 47P
RD60 10K
7
8
9
RD58
10K
+B
1
2
3
1
2
3
RD85
1K
1
2
3
BID01
SWD02
ON/STAND-BY
RD87
1K
SWD05
FAST FORWARD/
TUNING UP
5
FLD01
FL DISPLAY
28
29
30
31
32
33
34
35
36
37
38
39
40
ICD
IX0463
SYSTEM MICRO
4
5
6
7
8
9
11
10
12
13
14
15
16
+B
CNPD02
4
4
CNSD01
RD91
2.7K
4
SWD10
MD+10
1
1
TRACK U
3
3
BID02
SWD14
MD REC
6

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