DOWNLOAD Sharp SD-NX10 (serv.man10) Service Manual ↓ Size: 1006.41 KB | Pages: 25 in PDF or view online for FREE

Model
SD-NX10 (serv.man10)
Pages
25
Size
1006.41 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio / System / Part 7 - Voltage table, Waveforms, Troubleshooting tables, IC tables
File
sd-nx10-sm10.pdf
Date

Sharp SD-NX10 (serv.man10) Service Manual ▷ View online

SD-NX10H
– 76 –
VOLTAGE
4.88V
0.02V
0V
4.27V
4.27V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.26V
4.27V
4.26V
8.52V
4.88V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICU01
2.5V
2.5V
5.0V
0V
2.5V
2.5V
0V
0.7V
0V
0V
0V
2.6V
2.6V
5.0V
0V
0V
0V
0V
0V
4.8V
0V
0V
0V
0V
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICT21
1.3V
1.8V
3.1V
2.3V
1.3V
1.7V
0.7V
0.7V
0.7V
3.2V
0.7V
1.1V
1.1V
1.1V
1.1V
2.3V
2.5V
1.8V
1.9V
0V
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC1202
0V(2.33V)
0V(0V)
0.3V(0V)
0V(0V)
0V(1.8V)
0V(0V)
0V(0V)
0V(0V)
0V(0V)
0V(4.9V)
0V(0V)
0V(0V)
0V(0V)
0V(0V)
0V(0V)
0V(0V)
0.4V(0V)
0.3V(4.9V)
0.4V(3.2V)
0.4V(2.0V)
0.4V(2.3V)
0.3V(1.75V)
0.4V(0.5V)
0.4V(0V)
9
8
7
6
5
4
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICU05
4.96V(4.97V)
4.97V(4.97V)
4.97V(4.64V)
0V(0V)
0V(0V)
0V(0V)
2.6V(3.53V)
12.2V(12.2V)
4.97V(4.97V)
1.1V(1.3V)
0V(0.2V)
4.91V(4.89V)
4.87V(0V)
4.87V(0V)
10.43V(0V)
9
8
7
6
5
4
3
2
1
15
14
13
12
11
10
PIN
NO. VOLTAGE
CNPU05
0V
4.9V
4.9V
4.9V


1.4V

3.5V

1.5V
5.0V




0V
5.6V
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICV91
4.91V(2.46V)
4.91V(2.46V)
0V(1.6V)
4.34V(2.4V)
4.91V(2.4V)
0V(1.5V)
0V(0V)
0V(0V)
0V(0V)
3.23V(0V)
3.23V(0V)
0V(0V)
0V(0V)
3.23V(3.21V)
9
8
7
6
5
4
3
2
1
14
13
12
11
10
PIN
NO. VOLTAGE
ICU02
(2.6V)
(2.6V)
(0.1V)
(2.6V)
(2.6V)
(0.1V)
(0V)
(1.4V)
(0.1V)
(2.6V)
(1.4V)
(0.1V)
(2.6V)
(5V)
9
8
7
6
5
4
3
2
1
14
13
12
11
10
PIN
NO. VOLTAGE
IC1300
(5V)
(1.4V)
(1.4V)
(2.5V)
(2.5V)
(1.4V)
(1.4V)
(5V)
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC1301
0V
0V
0V
0V
3.2V
3.2V
3.2V
3.2V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC1402
(1.5V)
(1.5V)
(2.5V)
(0V)
(2.5V)
5
4
3
2
1
PIN
NO. VOLTAGE
IC1302
0V
5V
3.2V
3.1V
0V
5
4
3
2
1
PIN
NO. VOLTAGE
IC1801
0V(0.1V)
0V(0.1V)
0.02V(3.19V)
0.03V(4.46V)
0.03V(0.1V)
0.03V(3.19V)
0V(0V)
0V(1.6V)
0V(3.19V)
0.03V(1.3V)
0.03V(1.3V)
0.02V(2.33V)
0.02V(3.19V)
0V(3.19V)
9
8
7
6
5
4
3
2
1
14
13
12
11
10
PIN
NO. VOLTAGE
ICU04
0V
4.87V
4.87V
4.88V
5.05V
4.97V
0V
11.1V
0V
0V
0V
0V
4.09V
4.9V
0.02V
0.02V
0V
5.08V
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICD02
0V
4.89V
4.89V
4.42V
10.81V
9.86V
9.92V
10.7V
10.09V
10.72V
10.69V
0V
0V
0V
0V
10.71V
0V
5.0V
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
ICD03
9
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
ICU03
0V
8.6V
1.2V
0V
0V
8.6V
0.1V
2.42V
0V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
ICV98
1.3V
–2.8V
–2.8V
–8.2V
3.4V
3.4V
1.2V
8.2V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
ICV99
–7.0V
1.8V
0.21V
–8.2V
–0.13V
1.8V
–7.0V
8.2V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
ICS01
0V
0V
0V
–11V
0V
0V
0V
11.2V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
ICP01
0V
0V
0V
–11.5V
0V
0V
0V
11.8V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC1250
1V
0V
3.15V
0V
0V
3.15V
3.15V
3.15V
8
7
6
5
4
3
2
1
PIN
NO. VOLTAGE
IC1251
1V
0V
3.15V
0V
0V
3.15V
3.15V
3.15V
3
2
1
PIN
NO. VOLTAGE
IC800
5.4V

10.8V
3
2
1
PIN
NO. VOLTAGE
IC801
18.8V

11.0V
3
2
1
PIN
NO. VOLTAGE
IC802
18.8V

8.0V
3
2
1
PIN
NO. VOLTAGE
IC804
18.8V

5.4V
3
2
1
PIN
NO. VOLTAGE
IC805
5.0V

15.0V
3
2
1
PIN
NO. VOLTAGE
IC806
16.6V

5.1V
3
2
1
PIN
NO. VOLTAGE
IC807
18.2V

10.4V
3
2
1
PIN
NO. VOLTAGE
QU04
0V(0V)
0V(4.4V)
0V(0V)
3
2
1
PIN
NO. VOLTAGE
ICE04
0V
4.8V
0V
3
2
1
PIN
NO. VOLTAGE
IC1702
2.46V
0V
3.85V
3
2
1
PIN
NO. VOLTAGE
IC1802
0V
2.6V
3.2V
4.96V
5V
5V
5V
4.9V
–27mV
5.0V
5.0V
4.7V
3.0V
0.68V
0.1V
0.12V
0.1V
0.1V
0.07V
0.01V
0V
0V
2.8V
4.0V
0.1V
4.0V
0V
0V
0V
0V
0V
0V
5V(0V)
0V
4.95V
0.1V
0.1V
5V
0V
4.9V
2.17V
2.19V
0V
4.88V
4.88V
0V
4.97V
4.85V
4.84V
0V
–29.5V
–29.3V
–29.5V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
ICD01
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–29.5V
–0.5V
–0.9V
–0.5V
–1.9V
–29.2V
–32.2V
0V
–38V
–29.2V
–29.2V
–32.2V
0V
–0.5V
–29.2V
–0.9V
–29.5V
0V
–0.5V
–32.2V
–26.5V
–29.4V
0.5V
–0.5V
–1.5V
–29.5V
–29.5V
0.4V
4.9V
–26.8V
–0.9V
0V
0V
–0.9V
–32.2V
–32.4V
0V
5V
PIN
NO. VOLTAGE
51
64
63
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
61
60
59
58
57
56
55
54
53
52
85
84
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
1.3V
2.6V
1.3V
0V
2.6V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
2.6V
2.6V
0V
0V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
0.7V
0.7V
0.7V
1.7V
1.3V
3.2V
0.7V
1.1V
1.1V
1.1V
1.1V
2.3V
0V
2.5V
1.8V
1.9V
1.3V
2.3V
3.1V
1.8V
1.3V
1.3V
3V
2.6V
1.4V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC1201
1.6V
0V
0V
0V
3.2V
0V
0V
0V
0V
3.2V
0V
2.5V
0V
1V
1V
1.6V
1.6V
0V
0V
1.6V
1.6V
1.6V
0V
0V
1.6V
1.6V
1.6V
0V
3.2V
3.2V
3.2V
3.2V
0V
0V
1.6V
3.2V
3.2V
0V
3.2V
0.2V
0V
0V
0V
0V
0.1V
0V
0V
3.2V
3.2V
0V
PIN
NO. VOLTAGE
51
64
63
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
61
60
59
58
57
56
55
54
53
52
85
84
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
0V
0V
0V
0.4V
0V
0V
3.2V
0V
0V
0V
0V
3.2V
1.5V
0V
1.6V
3.2V
3.2V
3.2V
3.2V
0V
0V
3.2V
0V
0V
2.9V
3.2V
3.2V
0V
3.2V
3.2V
1.5V
0V
2.6V
0.8V
3.2V
3.2V
0V
PIT:3.2V
GROOVE:0V
0V
3.2V
0V
LOW DISC:3.2V
HIGH DISC:0V
0V
3.2V
3.2V
3.2V
0V
0V
0.1V
0V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC1401
0V
0V
0V
0.2V
0V
0V
0V
0V
0V
0V
0V
3.2V
3.2V
0V
3.2V
3.2V
3.2V
0V
0V
3.1V
0V
0V
0V
3.2V
3.2V
0V
0V
0V
0V
3.2V
0V
0V
0V
3.2V
0V
3.2V
3.2V
3.2V
2V
1.8V
2.2V
1.5V
0.7V
0V
0V
0V
0V
3.2V
3.2V
0V
PIN
NO. VOLTAGE
51
64
63
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
62
61
60
59
58
57
56
55
54
53
52
85
84
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
83
82
81
0.7V
0.7V
0.7V
0.7V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
1.3V
0.7V
1.5V
LOW DISC:2.6V
HIGH DISC:0V
PIT:2.6V
GROOVE:0V
2.6V
2.6V
1.3V
0V
1.3V
1.3V
0V
1.3V
1.3V
1.3V
1.3V
0V
2.6V
1.6V
0V
1.3V
1.1V
0.7V
1.3V
0.7V
0V
9
8
7
6
5
4
3
2
1
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
PIN
NO. VOLTAGE
IC1101
0V
3.2V
1.6V
1.6V
1.6V
0V
3.2V
0V
0V
3.2V
0V
3.2V
3.2V
3.2V
3.2V
0V
1.7V
0V
0V
0V
0V
0V
3.2V

3.2V

0V
1.6V
9
8
7
6
5
4
3
2
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC1701
(      ): REC MODE
(      ): CD MODE
(      ): CD MODE
(      ): TUNER
           MODE
1.6V
1.6V
1.6V
5V
5V
0V
0V
1.6V
2.5V
2.5V
0V
2.5V
2.5V
2.4V
2.5V
1.6V
1.6V
1.6V
1.2V
1.2V
1.6V
9
8
7
6
5
4
3
2
1
21
20
19
18
17
16
15
14
13
12
11
10
PIN
NO. VOLTAGE
IC1601
1.6V
1.6V
0V
3.2V
3.2V
1.6V
1.6V
0V
1.6V
2.5V
2.5V
0V
2.5V
2.5V
1.6V
1.6V
5V
5V
1.6V
5V
0.9V
PIN
NO. VOLTAGE
22
35
34
36
37
38
39
40
41
42
33
32
31
30
29
28
27
26
25
24
23
(      ): AUX DIGITAL ONLY
– 77 –
SD-NX10H
 Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
 The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chas-
sis with no signal given.
1. In the tuner section,
(  ) indicates AM
< > indicates FM stereo
2.In the CD section, the CD is stopped.
 Parts marked with “ 
1
 ” (                          ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
NOTES ON SCHEMATIC DIAGRAM
 Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
 Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means pico-farad and the unit of the capacitor
without such a symbol is microfarad. As to electrolytic
capacitor, the expression “capacitance/withstand voltage” is
used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
SW1930
WRITE PRO
ON—OFF
SW1931
DISC MEDIA
ON—OFF
SW1932
LOADING
ON—OFF
SW1933
RECORD
ON—OFF
SW1934
PLAY
ON—OFF
SW1936
LEAD IN
ON—OFF
SWD02
ON/STAND-BY
ON—OFF
SWD03
TUNER (BAND)
ON—OFF
SWD04
AUX (DEMO)
ON—OFF
SWD05
CD UP/TUNING UP
ON—OFF
SWD06
CD DOWN/TUNING DOWN
ON—OFF
SWD07
CD PLAY/PAUSE
ON—OFF
SWD08
CD STOP
ON—OFF
SWD09
CD EJECT
ON—OFF
REF. NO
DESCRIPTION
POSITION
POSITION
REF. NO
DESCRIPTION
SWD10
+10
ON—OFF
SWD11
VOLUME DOWN
ON—OFF
SWD12
VOLUME UP
ON—OFF
SWD13
DOOR OPEN/CLOSE
ON—OFF
SWD14
MD REC
ON—OFF
SWD15
MD STOP
ON—OFF
SWD16
MD PLAY/PAUSE
ON—OFF
SWD17
MD DOWN
ON—OFF
SWD18
MD UP
ON—OFF
SWD19
MD EJECT
ON—OFF
SWD20
PLAY MODE
ON—OFF
SWD21
ERASE
ON—OFF
SWD23
OPEN/CLOSE
ON—OFF
SWD24
REC MODE
ON—OFF
TYPES OF TRANSISTOR AND LED
2SA1162 G
2SD601 AR
KRA225 S
KRC102 S
UN2113
UN2213
UN2214
UN221 N
DS1SS133
2SA02M
B
(3)
E
(1)
C
(2)
TOP
VIEW
SB00703Q
SBE803
TOP VIEW
TOP VIEW
TOP VIEW
TOP VIEW
2SC2878 B
2SK246 GR
KTA1023 Y
KTA1266 GR
KTA1271 Y
KTA1273 Y
KTC3199 GR
KTC3203 Y
KRA106 M
KRA107 M
KRC104 M
KRC107 M
VIEW
FRONT
E   C   B
(S)(G)(D)
(1)(2)(3)
DS1N404S
1SS355
5
4
3
2
1
1:Cathode
2:Cathode
3:Anode
4:No Contact
5:Anode
2SA1314 C
FRONT
VIEW
B
C
E
TS4B03GM
A C
A C
VIEW
FRONT
FRONT
VIEW
2647RT49
4204UYT9
4204UGT9
DB3804X
LNG901CF
2SB1205
FRONT
VIEW
B
C
E
SD-NX10H
– 78 –
WAVEFORMS OF 1-BIT CIRCUIT
T
2
1
2.00V/div
500ns/div
194.545465
µ
s
520mV
2.00V/div
AD IC Output
+ Side
- Side
5V
Amplitude
from 0 to 5 V
1
2
2
1
2.00V/div
500ns/div
194.545465
µ
s
-12.30V
2.00V/div
AD IC NF IN
In partial pressure OUT, 4 to 7 V amplitude 
of GND reference is observed.
In IC of 75 kohms, the reference is 2.5 V 
because of VREF. Due to imaginary GND 
of operational amplifier inside IC, the 
waveform cannot be monitored.
This waveform is partial pressure OUT.
3
4
T
2.00V/div
50.0ns/div
0.0s
-12.30V
2.00V/div
LEVEL SHIFT OUT
DEAD TIME
ZOOM UP
Dead time is generated by level 
shift input.  
Leading edge is delayed at CR, 
passing R at DI.
Set value: 20 -25 nsec
5
6
T
2.00V/div
500ns/div
194.545465
µ
s
-12.47V
2.00V/div
| @
POWER SUPPLY
LEVEL SHIFT OUT
5V
Waveform after level shift
On the reference side, 5 V amplitude 
is observed at + 2 V (negative supply 
voltage), corresponding to VINH and 
VINL of gate driver during 9 V operation. 
(Approx. 0.8 VCC and 0.2 VSS)
7
8
FET is based on the negative 
supply voltage; the gate voltage 
of the LOW side FET operates 
with the negative power and + 9 V.
To make HIGH SIDE FET 
completely on, the positive 
supply voltage of + 4.5 V or over 
is required. At the bootstrap, the 
gate drive voltage is generated; 
the HIGH side is driven between 
(positive power) + 6 V and the 
negative power.
T
2
1
10.0V/div
500ns/div
194.545465
µ
s
-12.3V
10.0V/div
HIGH SIDE OUT
LOW SIDE OUT
GATE DRIVE OUT
9
10
T
10.0V/div
500ns/div
194.545465
µ
s
-12.3V
10.0V/div
+SIDE
+FETOUT
- SIDE
Waveforms before low-pass filters at both 
ends of the speaker
H-bridge may be considered as BTL. 
However, here and at the gate drive, dead 
time is not observed; since bootstrap 
operates based on output, DEAD TIME 
part is in floating condition. The waveform 
on the HI GH side shows that only the 
booted voltage lowers. 
2
1
11
12
– 79 –
SD-NX10H
WAVEFORMS OF MD CIRCUIT
POWER ON
TOC READ (Low reflection disc)
TOC READ (Low reflection disc)
TOC READ (Low reflection disc)
PLAY (Low reflection disc)
PLAY (Low reflection disc)
TOC READ (High reflection disc)
TOC READ (High reflection disc)
TOC READ (High reflection disc)
STOP 
→ 
PLAY
TP1518
(RESET)
TP1800
(3.2V)
TP1511
(PCONT0)
TP1212
(FEMON)
TP1422
(DSENSE)
TP1420
(FOK)
TP1201
(EFMMON)      
TP1135
(ADIPO) 
TP1122
(F+)
TP1207
(TEMON)
TP1603
(SP+)
TP1602
(SP-)
TP1122
(F+)
TP1122
(F+)
TP1207
(TEMON)
TP1603
(SP+)
TP1602
(SP-)
1
2
3
4
4
6
10
11
4
6
10
11
4
5
12
13
14
15
5
6
7
4
5
6
7
4
6
8
9
4
6
8
9
TP1122
(F+)
TP1212
(FEMON)
TP1207
(TEMON)
TP1451
(ADJUST)   
TP1122
(F+)
TP1212
(FEMON)
TP1207
(TEMON)
TP1451
(ADJUST)   
TP1122
(F+)
TP1207
(TEMON)
TP1601
(SLD+)   
TP1600
(SLD-)   
TP1122
(F+)
TP1207
(TEMON)
TP1601
(SLD+)   
TP1600
(SLD-)   
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  • Here you can View online or download the Service Manual for the Sharp SD-NX10 (serv.man10) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp SD-NX10 (serv.man10) System. Information contained in Sharp SD-NX10 (serv.man10) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.