Sharp SD-AT1000 (serv.man16) Service Manual ▷ View online
– 51 –
SD-AT1000
Input/Output
IC701 RH-iX0558AWZZ: System Microcomputer (IX0558AW) (1/2)
1
PA5/AN5
FAN_LOCK
A/D Input
Fan stop detection.
2
PA4/AN4
PROTECT
A/D Input
Power abnormal detection.
3
PA3/AN3
+B_CHECK
A/D Input
Observe power on input and decide the reset timing.
4
PA2/AN2
JOG
Input
Key input jog.
5*
PA1/AN1
FAN_CHK
A/D Input
Fan motor rotation detect input.
6
PA0/AN0
A/D RESET
Input/Output
1-bit amp. A/D RESET control.
7
P97/BUA02/AN15
OFF_SET
Input
1-bit amp. OFFSET error detection. "L": ABNORMAL
8
P96/PWM0/AN14
POWER_LEVEL1
Output
1-bit amp. and power switch detection.
(-B CONT)
9
P95/RTP0/AN13
POWER_LEVEL2
Output
Speaker protect.
(REG ON)
10*
P94/RTP1/AN12
TUNER_SM
Input
Tuner IF signal monitor.
11*
P93/SRDY3/AN11
RDS_RDY
Input
RDS ready output.
12*
P92/SCLK3/AN10
RDS_CLK
Output
RDS clock output.
13*
P91/SOUT3/AN9
RDS_RST
Output
RDS RAM reset.
14*
P90/SIN3/AN8
RDS_DO
Input
RDS data input.
15
P83/CNTR0/CNTR2
CCB_CE
Output
TUNER PLL/VOL IC interface chip enable output.
16
P82/CNTR1
CCB_DO
Input
TUNER PLL/VOL IC interface data output.
17
CNVSS
CNVSS
Input
GND
VPP (FLASH)
18
RESET
RESET
Input
System microcomputer reset input. "L": RESET
19
P81/XCOUT
CCB_CL
Output
TUNER PLL/VOL IC interface clock output.
20
P80/XCIN
CCB_DI
Output
TUNER PLL/VOL IC interface data output.
21
VSS
VSS
Input
GND
VSS (FLASH)
22
XIN
XIN
Input
Main clock input 4.19 MHz.
23
XOUT
XOUT
Output
Main clock input 4.19 MHz.
24
VCC
VCC
Input
Power supply 5 V.
VCC (FLASH)
25
P77/INT4/BUZ01
POWER KEY
Input
Power ON key input.
26
P76/T3OUT
DD_LED
Input
Dolby digital indicator. "H" (OPEN): OFF "L": ON
27
P75/T1OUT
DPL_LED
Input
Dolby prologic indicator. "H" (OPEN): OFF "L": ON
28*
P74/PWM1
40 V RELAY
Output
40 V control port. "H": ACTIVE "L": OFF
29
P73/INT3/DIMOUT
H.P_SW
Input
Headphones detection switch input.
30
P72/INT2
RX_IN
INT Input
Remocon decoder input.
31
P71/INT1
SYS_STOP
INT Input
AC power signal monitor. "H"
→
"L" power failure detect.
32
P70/INT0
DIMMER
Output
Dimmer
L: Dimmer ON, Power OFF, Power failure
H: Dimmer OFF
L: Dimmer ON, Power OFF, Power failure
H: Dimmer OFF
33
P67/SRDY2/SCLK22/FLD55 DSP_CS
Input
DSP IC communication strobe serial output.
34
P66/SCLK2/FLD54
DSP_SCCLK
Output
DSP IC communication serial clock output.
35
P65/TXD/FLD53
DSP_SCDIN
Output
DSP IC serial data output.
36
P64/RXD/FLD52
DSP_SCDOUT
Input
DSP IC serial data input.
37
P63/FLD51
DSP_RESET
Output
DSP IC communication interface clock.
38
P62/FLD50
DSP_INTREQ
Input
Request signal input to receive DSP data.
"L": DSP Microcomputer demand data
"L": DSP Microcomputer demand data
39*
P61/FLD49
D. TIME CONT
Output
Deadtime control port. Only in tuner mode: "H"
40
P60/FLD48
Input
Not used.
41
P57/FLD47
STD_LED
Output
Standard sound mode indicator.
"H" (OPEN): OFF "L": ON
"H" (OPEN): OFF "L": ON
42
P56/FLD46
DTS_LED
Output
DTS indicator. "H" (OPEN): OFF "L": ON
43
P55/FLD45
SURR_LED
Output
Surround sound mode indicator.
"H" (OPEN): OFF "L": ON
"H" (OPEN): OFF "L": ON
Port Name
Pin No.
Function
Terminal Name
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
SD-AT1000
– 52 –
IC701 RH-iX0558AWZZ: System Microcomputer (IX0558AW) (2/2)
Input/Output
Port Name
Pin No.
Function
Terminal Name
44
P54/FLD44
STEREO_LED
Output
Stereo indicator. "H" (OPEN): OFF "L": ON
45
P53/FLD43
COD_DO
Input/Output
Codec data output.
46
P52/FLD42
COD_DI
Output
Codec data input.
47
P51/FLD41
COD_CLK
Output
Codec clock output.
48
P50/FLD40
COD_CSN
Output
Codec chip select.
49
P47/FLD39
VOL_DA
Output
Data and latch output for electronic.
50
P46/FLD38
VOL_CL
Output
CLK output for electronic VOL IC control signal.
51
P45/FLD37
DIG_FUNC +B
Output
Ext DIG IN ON/OFF control. H: DIG IN ON
52
P44/FLD36
NON_PCM
Input
Audio PCM monitoring input.
"L": AUDIO PCM "H": NON AUDIO PCM
"L": AUDIO PCM "H": NON AUDIO PCM
53
P43/FLD35
AC_RLY
Output
Main trans ON/OFF control by relay.
54
P42/FLD34
SP_RLY
Output
Speaker output control by relay. H: RELAY ON
55
P41/FLD33
CONFIG
Output
Config setting output subwoofer.
"YES" (CONFIG1) WITH "H"
"NO" (CONFIG2) WITH "L"
"YES" (CONFIG1) WITH "H"
"NO" (CONFIG2) WITH "L"
56
P40/FLD32
BASS_SW
Output
Subwoofer amp gain control output.
"H": BASS OFF "L": BASS ON
"H": BASS OFF "L": BASS ON
57*
P37/FLD31
NO USE
Input
Not used.
58-73
P36/FLD30-P07/FLD15
SEG16-SEG1
Output
FL segment.
74-80
P06/FLD14-P00/FLD8
DIG15-DIG9
Output
FL digit driver.
81-88
P27/FLD7-P20/FLD0
DIG8-DIG1
Output
FL digit driver.
89
VEE
VEE
Input
VLOAD -35 V.
90
PB6/SIN1
L_MUTE
Output
VCR out audio mute output. H: MUTE ON L: MUTE OFF
91
PB5/SOUT1
W_S_MUTE
Output
Subwoofer speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
"H": MUTE ON "L": MUTE OFF
92
PB4/SCLK11
F_S_MUTE
Output
Front speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
"H": MUTE ON "L": MUTE OFF
93
PB3/SSYB1
C_S_MUTE
Output
Center speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
"H": MUTE ON "L": MUTE OFF
94
PB2/SBUSY1
S_S_MUTE
Output
Surround speaker S-MUTE output.
"H": MUTE ON "L": MUTE OFF
"H": MUTE ON "L": MUTE OFF
95
PB1/SRDY1
S_MUTE
Output
Audio mute output. H: MUTE ON
96
PB0/SCLK12/SVIN/DA
TIMER_LED
Output
Timer stand-by LED. "H": ON "L": OFF
97
AVSS
GND
Input
A/D analog GND.
98
VREF
VREF
Input
A/D reference voltage 5 V.
99
PA7/AN7
AREA
Input
A/D input, destination setting input.
H: AUDTTION MODEL L: NORMAL
H: AUDTTION MODEL L: NORMAL
100
PA6/AN6
KEY1
Input
A/D input, main set key.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
– 53 –
SD-AT1000
Figure 53 BLOCK DIAGRAM OF IC
IC701 RH-iX0558AWZZ: System Microcomputer (IX0558AW)
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
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
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
PA5/AN5
FAN LOCK
PA4/AN4
PROTECT
PA3/AN3
+B CHECK
PA2/AN2
JOG
PA1/AN1
FAN CHK
P97/BUZ02/AN15
OFF SET
P94/RTP1/AN12
TUNER_SM
P93/SRDY3/AN11
RDS RDY
P90/SIN3/AN8
RDS DO
P92/SCLK3/AN10
RDS CLK
P91/SOUT3/AN9
RDS RST
P83/CNTR0/CNTR2
CCB CE
P81/XCOUT
CCB CL
P80/XCIN
CCB DI
P76/T3OUT
DD LED
P75/T1OUT
DPL LED
40V RELAY
P74/PWM1
H.P_SW
P73/INT3/
DIMOUT
RX-IN
P72/INT2
SYS_STOP
P71/INT1
DSP_CS
P67/SRDY2/ SCLK22/FLD55
DSP_SCCLK
P66/SCLK21/ FLD54
DSP_SCDIN
P65/TXD/ FLD53
DSP_RESET
P63/FLD51
D.TIME CONT
P61/FLD49
STD_LED
P57/FLD47
DTS_LED
P56/FLD46
SURR_LED
P55/FLD45
STEREO_LED
P54/FLD44
COD_DI
P52/FLD42
COD_CLK
P51/FLD41
COD_CSN
P50/FLD40
XOL_DA
P47/FLD39
XOL_CL
P46/FLD38
P45/FLD37
DIG_FUND +B
P43/FLD35
AC_RLY
P42/FLD34
SP_RLY
P41/FLD33
CONFIG
P40/FLD32
BASS_SW
P37/FLD31
NO USE
P36/FLD30
SEG16
P35/FLD29
SEG15
P34/FLD28
SEG14
P33/FLD27
SEG13
P32/FLD26
SEG12
P31/FLD25
SEG11
P30/FLD24
SEG10
P17/FLD23
SEG9
P16/FLD22
SEG8
P15/FLD21
SEG7
P14/FLD20
SEG6
P13/FLD19
SEG5
P12/FLD18
SEG4
P11/FLD17
SEG3
P10/FLD16
SEG2
P07/FLD15
SEG1
P06/FLD14
DIG15
P05/FLD13
DIG14
P04/FLD12
DIG13
P03/FLD11
DIG12
P02/FLD10
DIG11
P01/FLD9
DIG10
P00/FLD8
DIG9
P27/FLD7
DIG8
P26/FLD6
DIG7
P25/FLD5
DIG6
P24/FLD4
DIG5
P23/FLD3
DIG4
P22/FLD2
DIG3
P21/FLD1
DIG2
P20/FLD0
DIG1
VEE
VEE
PB6/SIN1
L_MUTE
P44/FLD36
NON PCM
COD_DO
P53/FLD43
DSP_INTREQ
P62/FLD50
P60/FLD48
DSP_SCDOUT
P64/RXD/ FLD52
DIMMER
P70/INT0
P77/INT4/BUZ01
POWER_KEY
P83/CNTR0/CNTR2
CCB CE
RESET
CNVSS
CNVSS
VPP(FLASH)
VSS
VSS(FLASH)
RESET
XIN
XIN
XOUT
XOUT
VSS
VCC
VCC(FLASH)
VCC
P96/PWM0/AN14
POWER LEVEL1
(-B CONT)
P95/RTP0/AN13
POWER LEVEL2
(REG ON)
PA0/AN0
A/D RESET
PB5/SOUT1
W_S_MUTE
PB4/SCLK1
F_S_MUTE
PB3/SSTB1
C_S_MUTE
PB2/SBUSY1
S_S_MUTE
PB1/SRDY1
S_MUTE
PA7/AN7
AREA
PA6/AN6
KEY1
AVSS
GND
VREF
VREF
PB0/SCLK12/
SVIN/DA
TIMER_LED
IX0558AW
SD-AT1000
– 54 –
1
VDDL
Input
L channel digital output section power terminal.
2
OUTL (+)
Output
L channel forward output terminal.
3
OUTL (–)
Output
L channel reverse output terminal.
4
GNDD
—
Digital output section ground terminal.
5
OUTR (–)
Output
R channel reverse output terminal.
6
OUTR (+)
Output
R channel forward output terminal.
7
VDDR
Input
R channel digital output section power terminal.
8
VDDX
Input
Oscillation section power terminal.
9
XI
Input
Quartz oscillator connection terminal. Clock necessary for the system is generated.
10
XO
Output
Quartz oscillator connection terminal. Clock necessary for the system is generated.
11
GNDX
—
Oscillation section ground terminal.
12
MCK
Output
System clock output terminal.
13
TEST
Input
Test terminal. As usual, it is used at "L".
14
NFR1 (+)
Input
R channel forward signal feedback input terminal.
15
NFR2 (–)
Input
R channel reverse signal feedback input terminal.
16
GNDA
—
Analog ground terminal for AD converter.
17
Rch IN
Input
R channel analog input terminal.
18
Rch Vref
Input
Reference voltage terminal for R channel.
19
Lch Vref
Input
Reference voltage terminal for L channel.
20
Lch IN
Input
L channel analog input terminal.
21
RESET
Input
Reset terminal. It is reset with "L".
22
NFL2 (–)
Input
L channel reverse signal feedback input terminal.
23
NFL1 (+)
Input
L channel forward signal feedback input terminal.
24
VDDA
Input
Analog current terminal for AD converter.
Pin No.
Port Name
Input/Output
Function
ICA100, ICA200, ICA300 RH-iX0498AWZZ: 7th Order Modulation Conversion LSI (IX0498AW)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDDL
VDDA
NFL1(+)
NFL2(–)
RESET
Lch IN
Lch Vref
Rch Vref
Rch IN
GNDA
NFR2(–)
NFR1(+)
TEST
OUTL(+)
OUTL(–)
GNDD
OUTR(–)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
MCK
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDA
NFL1(+)
NFL2(–)
RESET
Lch IN
Lch Vref
Rch Vre
f
Rch IN
GNDA
NFR2(–)
NFR1(+)
TEST
VDDL
OUTL(+)
OUTL(–)
GNDD
OUTR(–)
OUTR(+)
VDDR
VDDX
XI
XO
GNDX
MCK
Comparator
Comparator
Amplitude Doubling
Converter
Amplitude Doubling
Converter
Oscillator
Lch 7th order
Modulation Circuit
Rch 7th order
Modulation Circuit
Figure 54 BLOCK DIAGRAM OF IC
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