Sharp SD-NX10 (serv.man10) Service Manual ▷ View online
SD-NX10H
– 88 –
1
P77/AN7
SD_ST_IN
Input
Tuner tuning and stereo receiver signal detection.
(A/D Input)
Not tuned: "H", SD input: "M", ST: "L"
2
P76/AN6
KEY1
Input (A/D Input)
A/D KEY input 1.
3
P75/AN5
KEY2
Input (A/D Input)
A/D KEY input 2.
4
P74/AN4
KEY3
Input (A/D Input)
A/D KEY input 3.
5
P73/AN3
P-DWN
Output
Vref voltage cut when detecting the power failure at SYS-STOP.
"H"= Normal state, "L"= Power failure
"H"= Normal state, "L"= Power failure
6
P72/AN2
TUNER_SM
Input (A/D Input)
Tuning level detection. Output: "L"
7
P71/AN1
PROTECT
Input (A/D Input)
Ignored for 500msec after detecting error and turning on the power.
Power is turned off when the input voltage is 2.5V or below.
Power is turned off when the input voltage is 2.5V or below.
8
P70/AN0
SPAN
Input (A/D Input)
Input: "L"
9
PB3
POWER
Output
Control of connection to or disconnection of the primary side power
supply. "H"= Connection, "L"= Disconnection
supply. "H"= Connection, "L"= Disconnection
10
PB2/DA
H.P_SW
Input
Switch for the headphones connection detection.
"H"= Headphones, "L"=Speaker
"H"= Headphones, "L"=Speaker
11
P57/SRDY3/AN15
MD_DISC_IN
Input (A/D Input)
Detects the MD disc at the exit section inside the lid.
3.76V or below= Exists at the exit. Over 3.76V= Not exist at the exit.
3.76V or below= Exists at the exit. Over 3.76V= Not exist at the exit.
12
P56/SCLK3/AN14
CD_SENS_A
Input
Clarion mechanism disc optical sensor A.
"H"= Shut out by the disc, "L"= Not shut out
"H"= Shut out by the disc, "L"= Not shut out
13
P55/SOUT3/AN13
CD_SENS_B
Input
Clarion mechanism disc optical sensor B.
"H"= Shut out by the disc, "L"= Not shut out
"H"= Shut out by the disc, "L"= Not shut out
14
P54/SIN3/AN12
CD_SENS_C
Input
Clarion mechanism disc optical sensor C.
"H"= Shut out by the disc, "L"= Not shut out
"H"= Shut out by the disc, "L"= Not shut out
15
P53/SRDY2/AN11
MD_LOAD_SW
Input
MD LOAD SW detection. "L"
→
"H"= DISC IN
16
P52/SCLK2/AN10
MD_ST
Output
1. Beginning of the CD track: 20Ms. "H" output.
2. MD ON (RESET): 100mS. "H" output.
2. MD ON (RESET): 100mS. "H" output.
17
P51/SOUT2/AN9
MD_SERACH
Output
CD play: "L" (including CUEW/REVIW) Others: "H"
18
P50/SIN2/AN8
MD_RESET
Output
MD RESET output.
19
P67/SRDY1/CS/SCLK12
MD_D_STB
Input
MD strobe input.
20
P66/SCLK11
MD_D_SCK
Output
MD clock output.
21
P65/SOUT1
MD_KDATA
Output
MD KEY data.
22
P64/SIN1
MD_DATA
Input
MD data input.
23
P63/CNTR1
CD_BUS3
Input/Output
Data input/output terminal for CD interface 3.
"L" output fixed except CD function
"L" output fixed except CD function
24
P62/CNTR0
CD_BUS2
Input/Output
Data input/output terminal for CD interface 2.
"L" output fixed except CD function
"L" output fixed except CD function
25
P61/PWM
CD_BUS1
Input/Output
Data input/output terminal for CD interface 1.
"L" output fixed except CD function
"L" output fixed except CD function
26
P60
CD_BUS0
Input/Output
Data input/output terminal for CD interface 0.
"L" output fixed except CD function
"L" output fixed except CD function
27
P47/T3OUT
CD_BUCK
Output
Clock output terminal for CD interface.
"L" output fixed except CD function
"L" output fixed except CD function
28
P46/T1OUT
CD_CCE
Output
Chip enable output terminal for CD interface.
"L" output fixed except CD function
"L" output fixed except CD function
29
P45/INT1/ZCR
CD_CHK_SW
Input
Clarion mechanism disc chucking detection SW.
"L"= Non-chucking, "H"= Chucking completed
"L"= Non-chucking, "H"= Chucking completed
30
P44/INT4
D_CONT
Input
"L" fixed.
31
P43/INT3
IC_CLK
Output
External control IC related clock.
SANYO C bus, input/output expander.
SANYO C bus, input/output expander.
32
P42/INT2
REMOCON_IN
Input
Remote control input.
33
P41
IC_DI
Output
External control IC related DATA output.
SANYO C bus, input/output expander.
SANYO C bus, input/output expander.
34
P40/INT0
SYS_STOP
Input
Microcomputer backup detection.
"H"= Normal state. "H"
"H"= Normal state. "H"
→
"L": Power failure detection
35
RESET
RESET
Input
Microcomputer reset terminal. "L"
→
"H": Microcomputer reset
36
PB1/XCIN
IC_CE
Output
External control IC related chip enable output.SANYO CCB bus
37
PB0/XCOUT
IC_DO
Input
External control IC related DATA output.SANYO CCB bus
Pin
No.
No.
Input/Output
Port Name
Terminal Name
ICD01 RH-iX0381AWZZ: System Microcomputer (IX0381AW) (1/2)
Remarks
– 89 –
SD-NX10H
38
XIN
X_IN
Input
Reference oscillation input. 8.38MHz crystal connection
39
XOUT
X_OUT
Output
Reference oscillation output. 8.38MHz crystal connection
40
VSS
VSS
—
Connected to GND.
41
P27
IC_LCK2
Output
External control IC related latch clock output.
For input/output expander No.2
For input/output expander No.2
42
P26
TU_MUTE
Output
Tuner MUTE output. "H"= MUTE, "L"= No MUTE
43
P25
DR_OP_IN
Input
CD/MD door OPEN detection switch.
"H"= Except "L", "L"= CD/MD door OPEN is completed.
"H"= Except "L", "L"= CD/MD door OPEN is completed.
44
P24
DR_CL_IN
Input
CD/MD door CLOSE detection switch.
"H"= Except "L", "L"= CD/MD door OPEN is completed.
"H"= Except "L", "L"= CD/MD door OPEN is completed.
45
P23/DIG19
IC_LCK1
Output
External control IC related latch clock output.
For input/output expander No. 1.
For input/output expander No. 1.
46
P22/DIG18
CD_RESET
Output
CD RESET output. "H"= Except CD function.
"H"
"H"
→
"L": Reset operation
47
P21/DIG17
TIMER_LED
Output
Timer stand-by LED output. ON: "H", OFF: "L"
48
P20/DIG16
DIG1
Output
Digit output for FL No. 1
49-56
P17/DIG15-P10/DIG08 DIG2-DIG9
Output
Digit output for FL No. 2 ~ No. 9
57-60
P07/DIG07-P04/DIG04 DIG10-DIG13
Output
Digit output for FL No. 10 ~ No. 13
61-64
P03/SEG35-P00/SEG32 SEG36-SEG33
Output
Segment output for FL No. 36 ~ No. 33
65-72
P37/SEG31-P30/SEG24 SEG32-SEG25
Output
Segment output for FL No. 32 ~ No. 25
73-80
P97/SEG23-P90/SEG16 SEG24-SEG17
Output
Segment output for FL No. 24 ~ No. 17
81-88
P87/SEG15-P80/SEG08 SEG16-SEG9
Output
Segment output for FL No. 16 ~ No. 9
89,90
PA7/SEG07,PA6/SEG06 SEG8,SEG7
Output
Segment output for FL No. 8, No. 7
91
VCC
VCC
5V
Power supply (+5V).
92-97
PA5/SEG05-PA0/SEG00 SEG6-SEG1
Output
Segment output for FL No. 6 ~ No. 1
98
VEE
VEE
Power Input
Pull-down power supply for FL
99
AVSS
AVSS
—
A/D conversion section reference GND.
100
VREF
VREF
5V Input
A/D conversion section reference power supply input (+5V).
Pin
No.
Input/Output
Port Name
Terminal Name
ICD01 RH-iX0381AWZZ: System Microcomputer (IX0381AW) (2/2)
Remarks
Figure 89 BLOCK DIAGRAM OF IC
P90/SEG16
P91/SEG17
P92/SEG18
P93/SEG19
P94/SEG20
P95/SEG21
P96/SEG22
P97/SEG23
P30/SEG24
P31/SEG25
P32/SEG26
P33/SEG27
P34/SEG28
P35/SEG29
P36/SEG30
P37/SEG31
P00/SEG32/DIG0
P01/SEG33/DIG1
P02/SEG34/DIG2
P03/SEG35/DIG3
P04/SEG36/DIG4
P05/SEG37/DIG5
P06/SEG38/DIG6
P07/SEG39/DIG7
P10/SEG40/DIG8
P11/SEG41/DIG9
81
82
83
84
P12/DIG10
P13/DIG11
P14/DIG12
P15/DIG13
P75/AN5
P74/AN4
P73/AN3
P72/AN2
P71/AN1
P70/AN0
PB3
PB2/DA
P57/SRDY3/AN15
P56/SCUK3/AN14
P55/SOUT3/AN13
P54/SIN3/AN12
P53/SRDY2/AN11
P52/SCUK2/AN10
P51/SOUT2/AN9
P50/SIN2/ANS
P67/SRDY1/CS/SCLK12
P66/SCLK11
P65/SOUT1
P64/SIN1
P63/CNTR1
P62/CNTR0
P61/PWM
P60
P47/T3OUT
P46/T1OUT
P45/INT1/ZCR
P44/INT4
P77/AN7
P76/AN6
1
2
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
29
30
51
52
53
54
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
31 32 33 34 35
31 32 33 34 35
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
IX0381AW
SD_ST_IN
KEY1
KEY2
KEY3
P_DOWN
TUNER_SM
PROTECT
SPAN
POWER
H.P_SW
MD_DISC_IN
CD_SENS_A
CD_SENS_B
CD_SENS_C
MD_LOAD_SW
MD_ST
MD_SERACH
MD_RESET
MD_D_STB
MD_D_SCK
MD_KDATA
MD_DATA
CD_BUS3
CD_BUS2
CD_BUS1
CD_BUS0
CD_BUCK
CD_CCE
CD_CHK_SW
D_CONT
VREF
A
VSS
VEE
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
VCC
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
DIG13
DIG12
DIG11
DIG10
DIG9
DIG8
DIG7
DIG6
DIG5
DGI4
IC_CLK
REMOCON_IN
IC_DI
SYS_ST
OP
RESET
IC_CE
IC_DO
X_IN
X_OUT
VSS
IC_LCK2
TU_MUTE
DR_OP_IN
DR_CL_IN
IC_LCK1
CD_RESET
TIMER_LED
DIG1
DIG2
DIG3
PB1/XCIN
XIN
XOUT
VSS
P27
P26
P25
P24
P23/DIG19
P22/DIG18
P21/DIG17
P20/DIG16
P17/DIG15
P16/DIG14
P43/INT3
P42/INT2
P41
P40/INT0
RESET
P84/SEG12
P85/SEG13
P86/SEG14
P87/SEG15
VREF
A
VSS
VEE
P
A0/SEG0
P
A1/SEG1
P
A2/SEG2
P
A3/SEG3
P
A4/SEG4
P
A5/SEG5
VCC
P
A6/SEG6
P
A7/SEG7
P80/SEG8
P81/SEG9
P82/SEG10
P83/SEG1
1
SD-NX10H
– 90 –
ICD02 VHiBU2092F/-1: Input/Output Expander (BU2092F)
1
VSS
GND
GND
2
DATA
DI
Serial data input.
3
CLOCK
CLK
Data shift clock.
4
LCK
LCK2
Data latch clock.
5
Q0
LINE_MUTE
Line mute. "L"= MUTE ON, "H"= MUTE OFF
6
Q1
CD_FUNC
CD function. "H"= Except CD function, "L"= CD function
7*
Q2
SP_RLY
Speaker relay. "H"= Relay ON, "L"=Relay OFF
8
Q3
SUR_ON/OFF
Surround. "H"= Surround OFF, "L"= Surround ON
9*
Q4
FAN_MOTOR
Cooling fan motor control. "H"= Motor run, "L"= Motor stop
10
Q5
SYS_MUTE
System MUTE. "H"= MUTE OFF, "L"= MUTE ON
11*
Q6
+B_CONT
1-bit section power control. "H"= Power ON, "L"= Power OFF
12*
Q7
A/D_RESET
1-bit IC reset control. "H"= Normal operation, "H"
→
"L"
→
"H"= Reset
13,14
Q8,Q9
DR_M+,DR_M-
CD/MD lid motor control.
Q8
Q8
Q9
Q8
Q9
L
L
Brake
L
H
Close SW
H
L
Open SW
H
H
Not used
15,16
Q10,Q11
LOAD_M+,
CD DISC LOADING motor control.
LOAD_M-
Q10
Q11
Q10
Q11
L
L
Free
L
H
LOAD
H
L
EJECT
H
H
Brake
17
OE
GND
Output enable.
18
VDD
VDD
Power supply +5V
Pin No.
Terminal Name
Function
Port Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
ICD03 VHiBU2092F/-1: Input/Output Expander (BU2092F)
1
VSS
GND
GND
2
DATA
DI
Serial data input.
3
CLOCK
CLK
Data shift clock.
4
LCK
LCK1
Data latch clock.
5
Q0
LED_RED
Red of three-colored LED. "H"= OFF, "L"= ON
6
Q1
LED_GREEN
Green of three-colored LED. "H"= OFF, "L"= ON
7
Q2
LED_BLUE
Blue of three-colored LED. "H"= OFF, "L"= ON
8
Q3
LED_SP
MD normal mode, Green. "H"= OFF, "L"= ON
9
Q4
LED_LP2
MD 2 times mode, Blue. "H"= OFF, "L"= ON
10
Q5
LED_LP4
MD 4 times mode, Orange: "H"= OFF, "L"= ON
11
Q6
LED_SLEEP
SLEEP indication LED. "H"= OFF, "L"= ON
12*
Q7
LED_AUX
AUX function indication LED. "H"= OFF, "L"= ON
13*
Q8
LED_TUNER
TUNER function indication LED. "H"= OFF, "L"= ON
14*
Q9
LED_CD
CD function indication LED. "H"= OFF, "L"= ON
15
Q10
LED_MD
MD function indication LED. "H"= OFF, "L"= ON
16
Q11
LED_MONO
MONO indication LED. "H"= OFF, "L"= ON
17
OE
GND
Output enable.
18
VDD
VDD
Power supply +5V
Pin No.
Terminal Name
Function
Port Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 91 –
SD-NX10H
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
(*): Normally the output pin. Used as an I/O pin in test mode, which is not available to user applications.
(*): Normally the output pin. Used as an I/O pin in test mode, which is not available to user applications.
Function
Port Name
Input/Output
Pin No.
ICT21 VHiLC72722/-1: RDS Decorder (LC72722)
1
VREF
Output
Reference voltage output (Vdda/2)
2
MPXIN
Input
Baseband (multiplexed) signal input
3
VDDA
Input
Analog power supply (+5V)
4
VSSA
—
Analog ground
5
FLOUT
Output
Subcarrier output (filter output)
6
CIN
Input
Subcarrier input (comparator input)
7
T1
Input
Test input (This pin must always be connected to ground.)
8
T2
Input
Test input (stand-by control)
0: Normal operation
0: Normal operation
1: stand-by state (crystal oscillator stopped)
9*
T3 (RDCL)
Input/Output (*)
Test I/O (RDS clock output)
10*
T4 (RDDA)
Input/Output (*)
Test I/O (RDS data output)
11*
T5 (RSFT)
Input/Output (*)
Test I/O (soft-decision control data output)
12
XOUT
Output
Crystal oscillator output (4.332/8.664 MHz)
13
XIN
Input
Crystal oscillator input (external reference signal input)
14
VDDD
Input
Digital power supply (+5V)
15
VSSD
—
Digital ground
16*
T6
Input/Output (*)
Test I/O (error status, regenerated carrier, TP, error block count outputs)
(ERROR/57K/TP/BE1)
17*
T7
Input/Output (*)
Test I/O (error correction status, SK detection, TA, error block count outputs)
(CORREC/ARI-ID/TA/BE0)
18*
SYNC
Input/Output (*)
Block synchronization detection output
19*
RDS-ID
Output
RDS detection output
20
DO
Output
Data output
21
CL
Input
Clock input
22
DI
Input
Data input
Serial data interface (CCB)
23
CE
Input
Chip enable
24
SYR
Input
Synchronization and RAM address reset (active high)
Figure 91 BLOCK DIAGRAM OF IC
VREF
FLOUT
CIN
Vddd
Vssd
RDS-ID
SYNC
SYR
XOUT
XIN
DO
CL
DI
CE
T1
T2
T3 to T7
MPXIN
Vssa
Vdda
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
57kHz
BPF
(SCF)
VREF
SMOOTHING
FILTER
+
_
PLL
(57kHz)
CLOCK
RECOVERY
(1187.5Hz)
DATA
DECODER
SYNC/EC CONTROLLER
SYNC
DETECT-2
SYNC
DETECT-1
ERROR CORRECTION
(SOFT DECISION)
CLK(4.332MHz)
OSC/DIVIDER
RAM
(24 BLOCK DATA)
MEMORY CONTROL
CCB
TEST
3
1
5
6
4
2
20
21
22
22
23
13
12
24
18
19
15
14
7
8
9~11,
16,17
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