Sharp SD-AT50H (serv.man18) Service Manual ▷ View online
– 49 –
SD-AT50H
1
P96/ANEX1/SOUT4
LCD_SDA
Output
Display data output to the LCD driver.
2
P95/ANEX0/CLK4
LCD_SCL
Output
Serial clock output to the LCD driver.
3
P94/DA1/TB4IN
LCD_CS
Output
CS control output to the LCD driver.
4
P93/DA0/TB3IN
LCD_RESET
Output
LCD driver RESET control output.
5
P92/TB2IN/SOUT3
AMP_SOUT
Output
Control DATA output to the AMP UNIT microcomputer.
6
P91/TB1IN/SIN3
AMP_SIN3
Input
Control DATA input from the AMP UNIT microcomputer.
7
P90/TB0IN/CLK3
AMP_CLK
Output
Clock output for communication with the AMP UNIT microcomputer.
8
BYTE
BYTE
Input
Connected to VSS since external bus is not used.
9
CNVSS
FLASH_VCC
Input
Used in the single chip mode.
Connected to VSS via pull-down resistor.
VCC for external usage only when writing on FLASH.
Connected to VSS via pull-down resistor.
VCC for external usage only when writing on FLASH.
10
P87/XCIN
AMP_STB
Output
Enable output for communication with the AMP UNIT microcomputer.
11*
P86/XCOUT
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
12
RESET
RESET
Input
Reset input for this microcomputer.
Active “L”. Connected to writer RESET line when writing on FLASH.
Active “L”. Connected to writer RESET line when writing on FLASH.
13
XOUT
X_OUT
Output
Reference oscillation output for this microcomputer.
8.38 MHz crystal connection.
8.38 MHz crystal connection.
14
VSS
GND
—
Connected to GND (VSS).
15
XIN
X_IN
Input
Reference oscillation input for this microcomputer.
8.38 MHz crystal connection.
8.38 MHz crystal connection.
16
VCC
VCC
Input
Power supply input for this microcomputer. (3.3 V)
Backup power supply.
Backup power supply.
17
P85/NMI
FLASH_"H"
Input
Connected to VCC via pull-up resistor.
(Setting for writing on Flash)
(Setting for writing on Flash)
18
P84/INT2
SYS_STOP
Input
Power failure detect input/output.
This microcomputer switches to the backup mode.
Normal : “H”, power failure detection when switching from “H” to “L”.
This microcomputer switches to the backup mode.
Normal : “H”, power failure detection when switching from “H” to “L”.
19
P83/INT1
AMP_INT
Input
Communication request input from AMP UNIT.
20
P82/INT0
RX_IN
Input
SHARP system, remote control input.
21*
P81/TA4IN/U
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
22*
P80/TA4OUT/U
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
23
P77/TA3IN
REG_ON
Output
3-terminal regulator ON/OFF control output for the power supply.
“H” : ON, “L” : OFF
“H” : ON, “L” : OFF
24*
P76/TA3OUT
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
25
P75/TA2IN/W
DVD_ON
Input
Input for detecting DVD PLAYER connection cable insertion.
“H” : connected, “L” : not connected
“H” : connected, “L” : not connected
26
P74/TA2OUT/W
KEY_OUT
Output
Key code output terminal for the DVD PLAYER control.
27*
P73/CTS2/RTS2/TA1IN/V
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
28
P72/CLK2/TA1OUT/V
OVF
Input
A/D converter overflow detect input of AK4586.
“H” : overflow, “L” : normal
“H” : overflow, “L” : normal
29
P71/RXD2/SCL/TA0IN/TB5IN
SCL
Output
AK4586/CXA2125Q
I
I
2
C BUS clock output.
30
P70/TXD2/SDA/TA0OUT
SDA
Input/Output
AK4586/CXA2125Q
I
I
2
C BUS data input/output.
31
P67/TXD1
FLASH_TXD
Output
Functionally not used. Normally, fixed output to “L”.
(Send data output to the FLASH writer)
(Send data output to the FLASH writer)
32
P66/RXD1
FLASH_RXD
Output
Functionally not used. Normally, fixed output to “L”.
(Receive data output to the FLASH writer)
(Receive data output to the FLASH writer)
33
P65/CLK1
FLASH_SCLK
Output
Functionally not used. Normally, fixed output to “L”.
(Transfer clock input from the FLASH writer)
(Transfer clock input from the FLASH writer)
34
P64/CTS1/RTS1/CTS0/CLKS1
FLASH_BUSY
Output
Functionally not used. Normally, fixed output to “L”.
(BUSY output to the FLASH writer. BUSY : “H”)
(BUSY output to the FLASH writer. BUSY : “H”)
35
P63/TXD0
DSP_SCDIN
Output
DSP IC serial data output.
36
P62/RXD0
DSP_SCDOUT
Input
DSP IC serial data input.
37
P61/CLK0
DSP_SCCLK
Output
Output of DSP IC serial send/receive synchronous clock.
IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW) (1/3)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
SD-AT50H
– 50 –
38
P60/CTS0/RTS0
DSP_CS
Input
DSP IC serial send/receive strobe output.
39
P57/RDY/CLKOUT
DSP_RESET
Output
DSP IC RESET output.
40*
P56/ALE
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
41
P55/HOLD
FLASH_EPM
Input
Connected to VSS via pull-down resistor.
(Setting for when writing on Flash) Functionally not used.
(Setting for when writing on Flash) Functionally not used.
42*
P54/HLDA
DSP_UC15
Output
External ROM for DSP download program. Page select output.
43*
P53/BCLK
DSP_US16
Output
External ROM for DSP download program. Page select output.
44*
P52/RD
DSP_UC17
Output
External ROM for DSP download program. Page select output.
45*
P51/WRH/BHE
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
46
P50/WRL/WR
FLASH_CE
Input
Connected to VCC via pull-up resistor.
(Setting for writing on Flash)
(Setting for writing on Flash)
47
P47/CS3
TIMER_LED
Output
Timer stand-by LED control.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
48
P46/CS2
DD_LED
Output
DOLBY DIGITAL IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
49
P45/CS1
STD_LED
Output
Sound MODE STANDARD IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
50
P44/CS0
DTS_LED
Output
DTS IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
51
P43/A19
SURR_LED
Output
Sound MODE STANDARD IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
52
P42/A18
STEREO_LED
Output
STEREO IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
53
P41/A17
DPL_LED
Output
DOLBY PRO LOGIC IND.
“H” output : LED on, “L” output : LED off
“H” output : LED on, “L” output : LED off
54
P40/A16
B_LIGHT
Output
LCD backlight circuit control output.
“H” : backlight ON, “L” : backlight OFF
“H” : backlight ON, “L” : backlight OFF
55
P37/A15
VOL_DA
Output
Data latch output for the electron VOL IC control signal.
56
P36/A14
VOL_CL
Output
Output of the clock for the electron VOL IC control signal.
57*
P35/A13
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
58*
P34/A12
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
59*
P33/A11
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
60*
P32/A10
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
61
P31/A9
TEST1
Input
Input terminal for test. If it is “L” at RESET, it switches to a mode
where it operates separately without communicating with the
microcomputer.
where it operates separately without communicating with the
microcomputer.
62
VCC
VCC
Input
Power supply input for this microcomputer. (3.3 V)
Backup power supply.
Backup power supply.
63*
P30/A8(/-/D7)
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
64
VSS
GND
—
Connected to GND (VSS).
65*
P27/A7(/D7/D6)
ROM
Output
Fixed to L.
66
P26/A6(/D6/D5)
DSP_ABOOT
Output
Fixed to H.
67*
P25/A5(/D5/D4)
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
68*
P24/A4(/D4/D3)
N.C.
Input/Output
Set it as an output terminal and fix it to Low since it is not used.
69*
P23/A3(/D3/D2)
L-MUTE
Output
Audio mute output of the VCR OUT.
H : MUTE OFF, L : MUTE ON
H : MUTE OFF, L : MUTE ON
70
P22/A2(/D2/D1)
DIG_FUNC+B
Output
Power supply control output for external DIG. input.
External DIG. FUNC : “L” output, Others : “H” output
External DIG. FUNC : “L” output, Others : “H” output
71
P21/A1(/D1/D0)
BASS-SW
Output
Output for controlling the gain of the SUBWOOFER amp.
“H” output : BASS OFF, “L” output : BASS ON.
“H” output : BASS OFF, “L” output : BASS ON.
72
P20/A0(/D0/-)
S_MUTE
Output
System mute control output.
“L” output : mute ON, “H” output: mute OFF.
“L” output : mute ON, “H” output: mute OFF.
73
P17/D15/INT5
NONPCM
Input
Input for detecting whether the AUDIO signal is PCM or not.
“L” : AUDIO PCM, “H” : NON AUDIO PCM.
“L” : AUDIO PCM, “H” : NON AUDIO PCM.
IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW) (2/3)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
– 51 –
SD-AT50H
IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW) (3/3)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
74
P16/D14/INT4
DSP_INTREQ
Input
Input of DSP data receive request signal.
L : DSP -> microcomputer DATA receive request.
L : DSP -> microcomputer DATA receive request.
75
P15/D13/INT3
H.P_SW
Input
Headphones insert SW detect input.
“H” : H.P insert, SP relay OFF, A/D reset control
“H” : H.P insert, SP relay OFF, A/D reset control
76*
P14/D12
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
77*
P13/D11
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
78*
P12/D10
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
79
P11/D9
CONFIG
Output
CONFING setting output.
SUBWOOFER : “H” with YES (CONGING1)
“L” with NO (CONFING2).
SUBWOOFER : “H” with YES (CONGING1)
“L” with NO (CONFING2).
80*
P10/D8
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
81
P07/D7
AUDITION
Input
Audition MODEL select input.
H : audition MODEL, L : normal MODEL.
H : audition MODEL, L : normal MODEL.
82
P06/D6
POWER_KEY
Input
Power supply operation key input.
83
P05/D5
FM_STB
Output
“L” when FUNCTION is “FM STEREO” or “FM MONO”.
Otherwise “H”.
Otherwise “H”.
84*
P04/D4
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
85
P03/D3
CCB_DO
Input
Serial data input from the Sanyo CCB device.
86
P02/D2
CCB_CL
Output
Serial clock output to the Sanyo CCB device.
87
P01/D1
CCB_DI
Output
Serial command data output to the Sanyo CCB device.
88
P00/D0
CCB_CE
Output
CE control output to the Sanyo CCB device.
89
P107/AN7/KI3
TUNER_SM
Input
A/D import, input of tuner field intensity comparison detect.
(A/D Input)
90*
P106/AN6/KI2
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
(A/D Input)
91
P105/AN5/KI1
PROTECT
Input
A/D import, system abnormality detect input.
(A/D Input)
92
P104/AN4/KI0
AREA
Input
A/D import, destination setting for TUNER BAND.
(A/D Input)
93*
P103/AN3
N.C.
Output
Set it as an output terminal and fix it to Low since it is not used.
(A/D Input)
94
P102/AN2
DVD_POWER
Input
A/D import, input for detecting the DVD player status.
(A/D Input)
95
P101/AN1
KEY1
Input
A/D import, main body key input 1.
(A/D Input)
96
AVSS
GND
—
VSS terminal of the A/D converter. Connected to GND (VSS).
97
P100/AN0
POWER
Input
Port for detecting power ON when importing the A/D.
(A/D Input)
98
VREF
VREF
Input
Reference voltage input terminal of the A/D converter.
Connected to the VCC terminal.
Connected to the VCC terminal.
99
AVCC
AVCC
Input
Power supply input terminal of the A/D converter.
Connected to the VCC terminal.
Connected to the VCC terminal.
100
P97/ADTRG/SIN4
GND
Input
Port processing. Fixed to “L”. (Not used)
SD-AT50H
– 52 –
Figure 52 BLOCK DIAGRAM OF IC
IC301 RH-iX0563AWZZ: DSP System Microcomputer (IX0563AW)
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
LCD_SDA
LCD_SCL
LCD_CS
LCD_RESET
AMP_SOUT
AMP_CLK
AMP_STB
N.C.
X_OUT
N.C.
N.C.
N.C.
N.C.
SCL
FLASH_TXD
FLASH_SCLK
FLASH_SCLK
FLASH_BUSY
DSP_SCDIN
DSP_SCCLK
DSP_SCDOUT
DSP_CS
FLASH_EPM
FLASH_CE
DSP_RESET
DSP_UC15
DSP_UC16
DSP_UC17
TIMER_LED
DD_LED
STD_LED
DTS_LED
SURR_LED
STEREO_LED
DPL_LED
B_LIGHT
VOL_DA
VOL_CL
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
AUDITION
POWER_KEY
CCB_DO
TUNER_SM
PROTECT
AREA
DVD_POWER
KEY
POWER
GND
GND
VREF
AVCC
CCB_CL
CCB_DI
CCB_CE
FM_STB
N.C.
N.C.
N.C.
CONFIG
L-MUTE
DIG_FUNC+B
BASS-SW
S_MUTE
NONPCM
DSP_INTREQ
H.P_SW
N.C.
ROM
DSP_ABOOT
TEST1
VCC
GND
N.C.
N.C.
SDA
REC_ON
KEY_OUT
GND
VCC
AMP_SPIN
BYTE
REST
X_IN
FLSH_"H"
SYS_STOP
AMP_INT
RX_IN
DVD_ON
OVF
FLASH_VCC
P96/ANEX1/
SOUT4
P95/ANEX0/
CLK4
P94/DA1/
TB4IN
P93/DA0/
TB3IN
P92/TB2IN/
SOUT3
P91/TB1IN/
SIN3
P90/TB0IN/
SCLK3
BYTE
CNVSS
P87/XCIN
P86/XCOUT
RESET
XOUT
VSS
XIN
VCC
P85/NMI
P84/INT2
P83/INT1
P82/INT0
P81/TA4IN/U
P80/TA4OUT/U
P77/TA3IN
P76/TA3OUT
P75/TA2IN/W
P74/TA2OUT/W
P67/TXD1
P66/RXD1
P65/CLK1
P63/TXD0
P62/RXD0
P61/CLK0
P65/ALE
P55/HOLD
P54/HLDA
P53/BCLK
P52/RD
P51/WRH/BHE
P50/WRL/WR
P47/CS3
P46/CS2
P45/CS1
P44/CS0
P43/A19
P42/A18
P41/A17
P40/A16
P37/A15
P36/A14
P35/A13
P34/A12
P33/A11
P32/A10
P31/A9
VCC
VSS
P30/A8(/-/D7)
P27/A7(/D7/D6)
P26/A7(/D6/D5)
P25/A7(/D5/D4)
P24/A7(/D4/D3)
P23/A7(/D3/D2)
P22/A7(/D2/D1)
P21/A7(/D1/D0)
P21/A7(/D0/-)
P17/D15/INT5
P16/D14/INT4
P15/D13/INT3
P14/D12
P13/D11
P12/D10
P11/D9
P10/D8
P07/D7
P06/D6
P05/D5
P04/D4
P03/D3
P02/D2
P01/D1
P00/D0
P107/AN7/KI3
P106/AN6/KI2
P105/AN5/KI1
P104/AN4/KI0
P103/AN3
P102/AN2
P101/AN1
AVSS
P100/AN0
VREF
AVCC
P97/ADTRG/
SIN4
P60/CTS0/RTS0
P64/CTS1/RTS1/
CTS0/CLKS1
P57/RDY/ CLKOUT
P73/CTS2/RTS2
TA1IN/V
TA1IN/V
P72/CLK2/
TA1OUT/V
P71/RXD2/SCL/
TA0IN/TB5IN
P70/TXD2/SDA/
TA0OUT
IC301
IX0563AW
Click on the first or last page to see other SD-AT50H (serv.man18) service manuals if exist.