Sharp SD-NX10 (serv.man6) Service Manual ▷ View online
– 43 –
SD-NX10H
Power-on sequence for the MD unit (when resetting or starting it
2
: DISC IN or disc existence)
Power failure recovery interruption input and 3.2V application to the MD unit
(100ms)
600ms - (approx. 1200ms+600ms)
1.5ms
30ms
±
2ms
3.2ms
62ms
3.2ms
(10ms)
Set the system microcomputer to "H" by this point.
13.6ms
Test mode command transmission period (Until CMD RCV received)
(System side)
POWER-ON
CN1501 ,
CN1501
17
4
18
DVDD
CN1401 ,
1
2
TRY+/TRY–
BACK UP
CN1501 7
MD-ST
CN1501 6
RESET
CN1501 5
PDOWN
CN1501 8
DSCK
CN1501 19
PCONT0
CN1501 12
DSTB
IC1401 15
MCCK
IC1401 12
RESET
IC1401 80
XRST
TP1800
3.2V
As quick as possible
Disc existence: Mechanism
positioning
positioning
DISC-IN: LOADING operation
SD-NX10H
– 44 –
Figure 44 BLOCK DIAGRAM (1/7)
TO TUNER UNIT
TUN1
LEDD01
LEDD02
PHCU01
CNPU06
LEDD03
LEDD04
LEDD05
LEDD06
LEDD14
∆
∑
LEDD13
LEDD15
LOAD_M+
LED12
LED4
LED2
LED1
LED12
LOAD_M–
CD_SENS_B
CD_SENS_A
LOAD_M-
CD_SENS_C
BUS0
BUS2
CD_RESET
MD_
LED5
LED1
CCE
BUCK
DO
DI
CE
POWER
LCK2
LCK1_
BUS2
CD_SENS_A
DR_M+
LED6
DO
LCK1_
CLK
DI
MD_S
MD_
MD_
MD_S
TUNER_SM
LED4
LED7
DR_M–
DR_CL_IN
MD_
MD_
MD_
CLK
CE
DI
LINE_MUTE
DATA
CLOCK
CLK
SYS_MUTE
TUN_MUTE
DR_M+
DR_M–
LOAD_M+
MD_DISC_IN
DR_CL_IN
DR_OP_IN
DR_OP_IN
MD_DISC_IN
LED5
LED6
LED7
BUS1
BUS3
BUS0
CD_SENS_C
SUR_ON/OFF
CD_FUNC
TUN_L
COMP
CCE
CD_CHK_SW
BUS1
BUCK
BUS3
CLK
TUNER_SM
CD_SENS_B
LED2
CD_CHK_SW
LED3
LED3
+B7
(+12V)
+B5(5V SWD)
V
RESE
SYST
HP_S
PRO
TUN_FM
TUN_ST/SD
QD09
QD10
+B4(8V)
+B11(5V CD)
ICD02
BU2092F
INPUT/OUTPUT
EXPANDER
+B12(5V)
ICU03
TA7291S
LOADING MOTOR
DRIVER
+B4(8V)
VS
+B12(5V)
ICD03
BU2092F
INPUT/OUTPUT
EXPANDER
+B7(12V)
+B5(5V)
POWER
QD11
QD05
QD04
QD03
SP
LP2
LP4
MONO
BLUE
GREEN
RED
RED
GREEN
BLUE
SLEEP
MD DISC
IN SW
M
M904
MD/CD LID
MOTOR
–
+
OPEN
CLOSE
VSS
AVSS
VEE
VCC
VREF
CD RESET
SWITCHING
QD01
+B12
TIMER_LED
VP
X-IN
X-OUT
VF1
+B13(5V) BACK UP
+B5(+5V)
FLD01
~
~
~
8.3886MHz
XLD01
~
RMD01
REMOTE
SENSOR
KEY
SWD02~SWD21
SWD24
ICD01
IX0381AW
SYSTEM MICROCOMPUTER
1
15
47
44
43
3
6
5
3
7
1
8
2
12 13 14 23 24 25 26 27 28 29
46
4
2
1
2
3
32
9
37
36
33
41 45
31
6
42
10
14
13
3
5
8
4
1
18
2
6
15
16
5 2
1
3
4
26 22
21
24 23
25 20
19
18
9 7
13 12 11 10
17
9
11
1
39
40
6
54
59
38
48
90
92
97
98
91
100
10
9
7
11
5
18
15
6
8
16
16 15 14
6
8
9
14
6
12
15 11
7
13
8
10
1
3
4
2
22
21
20
19
18
17
16
7
35
34
10
99
SWD23
OPEN/CLOSE
TO CD SERVO PWB UNIT
– 45 –
SD-NX10H
Figure 45 BLOCK DIAGRAM (2/7)
TO MD SECTION
TO TUNER UNIT
TUN1
CNPU04
CNSU03
CNSU01
CNPU09
CNPU08
CNPU07
RU20
CNPU05
CNSU02
MD_LOADSW
MD_SERCH
MD_DSCK
MD_DATA_
MD_RESET
MD_ST
MD_KDATA
POWER
MD_D_STB_
POWER
CD_FUNC
MD_LOADSW
LINE_MUTE
R_AUX_IN
L_AUX_IN
L__REC_OUT
R__REC_OUT
R_PRE_OUT
L_PRE_OUT
TUN_MUTE
LCK2
LCK1_
DO
MD_SERCH
MD_D_STB_
MD_KDATA
MD_ST
LRCK
DATA
BCCK
MD_RESET
MD_DSCK
MD_DATA_
TUN_R
TUN_L
COMP
CD_FUNC
TUNER_SM
DATA
LRCK
BCCK
DI
CLK
LCK2
HP_SW
PROTECT
CD_FNUC
POWER
R_H/P_OUT
L_H/P_OUT
+B13(5V)
BACK UP
+B12(5V)
+B3(5.6V USWD)
+B7
(+12V)
+B5(5V SWD)
VF2
VF1
–VP
+B8(6V)
+B6(5V)
+B5(5V SWD)
+B3(5.6V USWD)
SYSTEM_MUTE
QP03
QP04
QP04
QP05
+B4(8V)
+B11(5V CD)
–B2(–12V)
+B7(+12V)
VF2
SURROUND
AMP.
ICP01
NJM4580M
BUFFER AMP.
+B3(5.6V USWD)
CD DIGITAL SIGNAL
ALC
QP11~
QP14
+B7
(+12V)
–B2
(–12V)
+VCC
–VCC
R-CH
L-CH
RESET
STOP
SYSTEM
HP_SW
PROTECT
TUN_ST/SD
CE
DI
CLK
VSSA
XOUT
XIN
T1
T2
VSSD
DO
MPX IN
VDDA
VDDD
TUN_FM
ICE04
PST9140
RESET
QD06
RESET
SYSTEM
STOP
QP09
QP01
QP02
QP02
SYSTEM_MUTE
QS02
QS01
SURROUND
ON/OFF
L-CH
R-CH
R-CH
–VCC
+VCC
+B7
(+12V)
–B2
(–12V)
L-CH
R-CH
L-CH
R-CH
R-CH
SURROUND
ICS01
NJM4580M
R
L
+B7(12V)
DIG-IN
GND
+B11(5V CD)
VOLTAGE
REGULATOR
+B11(5V CD)
+B5(5V SWD)
VOLTAGE
REGULATOR
ICU02
74VHC00F
INVERTOR
ICU04
74VHC08F
INVERTOR
ICU05
LC89051V
DIGITAL AUDIO
INTERFACE
NCNC
BASS
TRE
MD/CD
AUX
TUNER
L
L
L
R
R
R
CE
DI
CLK
SELO
GND
REC
OUT
ICU01
LC75341M
AUDIO
PROCESSOR
+B6(5V)
+B8(6V)
DIG-OUT
DIG-IN
D-GND
BACKUP
PDOWN
RESET
MD-ST
DSCK
SERCH
KDATA
MDDATA
DSTB
D-GND
D-GND
D-GND
D-GND
D-VDD
D-VDD
PCONTO
LOADSW
A-VCC
AA-GND
AD-GND
TO MD SECTION
L_IN
R_IN
R_OUT
L_OUT
GND(A)
VEE
VP
()
BACK UP
XT21
4.332MHz
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
12
2
4
6
8
3
3
1
3
9
10
11
15
1
3
5
7
4
8
1
14
5
6
7
3
8
4
7
2
16
5
14
5
8
1 2
12
4
1
23
21
8
4
22
5
2
4
12 13
1
14
3
6
11
1
3
2
4
3
2
1
1
2
37
36
41 45
59 57
98
91
4
5
9 2
6 1
2
11
7
3
8
10
22
21
20
19
18
17
16
2
24
1
8
17
12 13
0
1
15
14
11
5
23 22 21 20
15
12 13
14
2
3
20
19
6
21
4
16
9
3
4 7
8
23
5
3
8
4
1
7
2
6
7
35
34
10
13
15
18
7
10
19
17
8
6
5
1
4
12
13
9
11
2
TO POWER
SECTION
TO CD
SECTION
TO POWER
SECTION
TO POWER
SECTION
TO POWER
SECTION
+B5
(5V SWD)
ICT21
LC72720
RDS DECORDER
SD-NX10H
– 46 –
Figure 46 BLOCK DIAGRAM (3/7)
T601
POWER TRANSFORMER
CNP601
CNP602
CNP603
JTP01
SYSTEM OUT/
LINE OUT/AUX IN
TERMINAL
IC650
TORX178A
DIGTAL IN
3
2
1
PROTECT
HP_SW
LCK2
CLK
DI
LINE_MUTE
CD_FNUC
R__REC_OUT
L__REC_OUT
L_AUX_IN
R_AUX_IN
L_H/P_OUT
POWER
L_PRE_OUT
R_PRE_OUT
R_H/P_OUT
S2_2
PROTECT_
DI_
CLK_
LCK2_
POWER_
S2_1
SO 605
SYSTEM
CONTROL
TERMINAL
+B5(5V SWD)
TO MAIN SECTION
MAIN SECTION
GND(D)
D-OUT
TO MAIN SECTION
–B2(–12V)
+B7(+12V)
+B8(6V)
+B5(5V SWD)
+B11(5V CD)
VF2
VF1
–VP
QP07
QP08
QP06
BI650
+B7(+12V)
–B2(–12V)
+B4(8V)
+B3(5.6V USWD)
+B5(5V SWD)
+B6(5V MD)
+B8(6V MD)
–VP
VF1
VF2
+B11(5V CD)
R-CH
L-CH
AUX IN
LINE OUT
L-CH
R-CH
SYSTEM OUT
R-CH
L-CH
TO MAIN SECTION
JHP01
HEADPHONES
Q603
Q606
Q605
+B4(8V CD)
IC601
KIA7812AP
CONSTANT
VOLTAGE
REGULATOR
IC602
KIA7805AP
CONSTANT
VOLTAGE
REGULATOR
+B4(8V CD)
(5.6V USWD)
+B3
+B6(5V MD)
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
Q602
Q601
D601-D604
VOLTAGE
REGULATOR
5
2
8
3
7
1
6
4
15
2
7
18
13
11
9
13
12
4
1
5
6
8
17
19
10
16
7
4
6
5
14
1
11
10
9
3
3
8
2
12
1
2
3
1
2
3
2
6
1
2
4
5
3
13
1
3
12
3
11
8
7
9
2
1
10
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