Sharp SD-EX100H (serv.man21) Service Manual ▷ View online
– 73 –
SD-EX100H
IC900 VHiPCM1748E-1: D/A CONVERTER (PCM1748E)
1
BCK
Input
Audio data bit clock input.
(1)
2
DATA
Input
Audio data digital input.
(1)
3
LRCK
Input
L-channel and R-channel audio data latch enable input.
(1)
4
DGND
–
Digital ground.
5
VDD
–
Digital power supply,+3.3V.
6
VCC
–
Analog power supply,+5V.
7
VOUTL
Output
Analog output for L-channel.
8
VOUTR
Output
Analog output for R-channel.
9
AGND
–
Analog ground.
10
VCOM
–
Common voltage decoupling.
11*
ZEROR/ZEROA
Output
Zero flag output for R-channel/Zero flag output for L/R-channel.
12*
ZEROL/NA
Output
Zero flag output for L-channel/No assign.
13
MD
Input
Mode control data input.
(2)
14
MC
Input
Mode control clock input.
(2)
15
ML
Input
Mode control latch input.
(2)
16
SCK
Input
System clock input
Pin
No.
No.
Function
Terminal Name
NOTE: (1) Schmitt trigger input,5V tolerant.
(2) Schmitt trigger input with internal pull-down,5V tolerant
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
SCK
ML
MC
MD
ZEROL/NA
ZEROR/ZEROA
VCOM
AGND
BCK
DATA
LRCK
DGND
VDD
VCC
VOUTL
VOUTR
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
ZEROL
BCK
Audio
Serial
Serial
Port
VOUTL
1
LRCK 3
DATA 2
ML 15
MC 14
MDI 13
SCK 16
12
ZEROR
11
VDD
5
DGND
4
VCC
6
AGND
9
7
VOUTR
8
VCOM
10
Output Amp. and
Low-pass Filter
DAC
DAC
Output Amp. and
Low-pass Filter
8x
Oversampling
Digital Filter
with
Function
Controller
Enhanced
Multi-level
Multi-level
Delta-Sigma
Modulator
System Clock
Manager
System Clock
Zero Detect
Power Supply
Serial
Control
Port
Figure 73 BLOCK DIAGRAM OF IC
Input/
Output
SD-EX100H
– 74 –
ICD02 RH-iX0566AW00: System Microcomputer (IX0566AW) [Serial N0. 20500065 to 20501035] (1/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (1/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (1/3)
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
1
P96/ANEX1/SOUT4
FLD_SDATA
Output
Display data output to FL driver M66005
2
P95/ANEX0/CLK4 FLD_SCK
Output
Serial clock output to FL driver M66005
3
P94/DA1/TB4IN
TRY_M+ (D/A)
Output
CD Tray OPEN/CLOSE control motor normal rotation control output
D/A output (Three-valued output)
D/A output (Three-valued output)
4
P93/DA0/TB3IN
TRY_M– (D/A)
Output
CD Tray OPEN/CLOSE control motor inversion control output
D/A output (Three-valued output)
D/A output (Three-valued output)
5
P92/TB2IN/SOUT3 FLD_CS
Output
Chip select output to FL driver M66005
6*
P91/TB1IN/SIN3
Output
Port processing. Fixed at "L".
7*
P90/TB0IN/CLK3
Output
Port processing. Fixed at "L".
8
BYTE
BYTE
Input
External bus unused; connected to VSS
9
CNVSS
FLASH_VCC
Input
Used in single chip mode.
Connected to VSS via pull-down resistor
In case of Flash writing: VCC exclusively for exterior
Connected to VSS via pull-down resistor
In case of Flash writing: VCC exclusively for exterior
10
P87/XCIN
XCIN
Input
Crystal for clock 32,768 kHz connected
11
P86/XCOUT
XCOUT
Output
Crystal for clock 32,768 kHz connected
12
RESET
RESET
Input
Reset input for the microcomputer. Active: "L".
In case of Flash writing: Connect to RESET
In case of Flash writing: Connect to RESET
13
XOUT
X_OUT
Output
Reference oscillation output for the microcomputer
8.4 MHz CERALOCK connected
8.4 MHz CERALOCK connected
14
VSS
VSS
—
Connected to GND (VSS)
15
XIN
X_IN
Input
Reference oscillation output for the microcomputer
8.4 MHz CERALOCK connection
8.4 MHz CERALOCK connection
16
VCC
VCC
Input
Power supply to the microcomputer (3.3V)
Backup power supply
Backup power supply
17
P85/NMI
NMI
Input
Connected to VCC via pull-up resistor
(Setting in case of FLASH writing) Functionally unused.
(Setting in case of FLASH writing) Functionally unused.
18
P84/INT2
P_IN
Input
Power failure detection input
Power failure detected according to detection time "H"
Power failure detected according to detection time "H"
"L".
19*
P83/INT1
—
Output
Port processing. Fixed at "L".
20
P82/INT0
RX_IN
Input
Remote control input by SHARP system
21*
P81/TA4IN/U
—
Output
Port processing. Fixed at "L".
22*
P80/TA4OUT/U
—
Output
Port processing. Fixed at "L".
23*
P77/TA3IN
—
Output
Port processing. Fixed at "L".
24*
P76/TA3OUT
—
Output
Port processing. Fixed at "L".
25*
P75/TA2IN/W
—
Output
Port processing. Fixed at "L".
26
P74/TA2OUT/W
P_DOWN
Output
"H" for power ON. "L" for power failure.
27*
P73/CTS2/RTS2/TA1IN/V —
Output
Port processing. Fixed at "L".
28*
P72/CLK2/TA1OUT/V —
Output
Port processing. Fixed at "L".
29*
P71/RXD2/SCL/TA0IN/TB5IN —
Output
Port processing. Fixed at "L".
30*
P70/TXD2/SDA/TA0OUT —
Output
Port processing. Fixed at "L".
31
P67/TXD1
(MD)K_DATA
Output
K Data output serial 32 bytes. Automatic reception/transmission
FLASHTXD
(Transmission data output to FLASH writer)
32
P66/RXD1
(MD)MD_DATA
Input
MD Data input serial 32 bytes. Automatic reception/transmission
FLASHRXD
(Transmission data output to FLASH writer)
33
P65/CLK1
(MD)DSCK/
Output
MD Clock output serial 32 bytes. Automatic reception/transmission
FLASHSCLK
(Transmission data output to FLASH writer)
34
P64/CTS1/RTS1/CTS0/CLKS1 (MD)D_STB/
Input
MD_STB Input. For transmission control
FLASHBUSY
(Transmission data output to FLASH writer)
35
P63/TXD0
—
Output
Port processing. Fixed at "L".
36
P62/RXD0
—
Output
Port processing. Fixed at "L".
Pin No.
Function
Port Name
Terminal Name Input/Output
– 75 –
SD-EX100H
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
37
P61/CLK0
—
Output
Port processing. Fixed at "L".
38*
P60/CTS0/RTS0 —
Output
Port processing. Fixed at "L".
39
P57/RDY/CLKOUT OSC_OUT
Output
To measure transmission frequency
40*
P56/ALE
MD_RESET
Output
Reset output to MD unit
Timing with MD + 5VCONT output required
Timing with MD + 5VCONT output required
41
P55/HOLD
FLASH_EPM
Input
Connected to VSS via pull-down resistor
(Setting in case of FLASH writing) Functionally unused.
(Setting in case of FLASH writing) Functionally unused.
42*
P54/HLDA
MD_SERCH
Output
CD Search start output to MD unit
"H" pulse output when starting CD search
"H" pulse output when starting CD search
43*
P53/BCLK
MD_ST
Output
CD Search completion and PLAY start output to MD unit.
TNO Update output
TNO Update output
44*
P52/RD
PCNT0
Input
MD abnormality detection input from MD unit
"H": Normal; "H"
"H": Normal; "H"
"L": To cut off power supply to MD
45*
P51/WRH/BHE
—
Output
Port processing. Fixed at "L".
46
P50/WRL/WR
FLASH_CE
Input
Connected to VCC via pull-down resistor
(Setting in case of FLASH writing) Functionally unused.
(Setting in case of FLASH writing) Functionally unused.
47
P47/CS3
S_MUTE
Output
System mute control output
"L" output: Mute ON
"L" output: Mute ON
48
P46/CS2
SURROUND
Output
Surround control. H: ON
49*
P45/CS1
—
Input
Port processing. Fixed at "L".
50
P44/CS0
H.P_SW
Input
Headphone presence detection H: Present
51
P43/A19
A/D_RESET
Input/Output 1-Bit amplifier A/D RESET control
L: RESET; H: Operational
52
P42/A18
–B_CONT
Output
1-Bit amplifier –B control
L: Disconnected; H: Power supply
L: Disconnected; H: Power supply
53
P41/A17
FAN_MOTOR
Output
Fan motor ON/OFF. ON: H
54
P40/A16
SP_RLY
Output
Speaker relay control. Connecting speaker: H
55
P37/A15
MAIN_RLY
Output
Main power relay control. Connection: H
56
P36/A14
OFFSET
Output
OFFSET input. L: Abnormal
57
P35/A13
MECHA_M+
Output
Normal rotation control output of CD-mechanism UP/DOWN control motor
58
P34/A12
MECHA_M–
Output
Inversion control output of CD-mechanism UP/DOWN control motor
59
P33/A11
MECHA_UP.SW
Input
CD-mechanism UPSW detection input. (DISC chucking position)
"L" = Mechanism UP SW ON
"L" = Mechanism UP SW ON
60
P32/A10
MECHA_DWN.SW
Input
CD-mechanism UP SW detection input. (Movable position of chucking release
tray) "L" = Mechanism UP SW ON
tray) "L" = Mechanism UP SW ON
61
P31/A9
TRY_OP.SW
Input
CD Tray OPEN SW detection input.
"L" = TRY OPEN SW ON
"L" = TRY OPEN SW ON
62
VCC
VCC
Input
The microcomputer power ON (3.3 V)
Backup power supply
Backup power supply
63
P30/A8(/-/D7)
TRY_CL.SW
Input
CD Tray CLOSE SW detection input.
"L" = TRY CLOSE SW ON
"L" = TRY CLOSE SW ON
64
VSS
VSS
—
Connected to GND (VSS)
65
P27/A7(/D7/D6)
DISC_PHT
Input
DISC size detection photo-interrupter signal input
"L" = 12 cm; "H" = 8 cm
"L" = 12 cm; "H" = 8 cm
66
P26/A6(/D6/D5)
TRY_PHT
Input
CD Tray position detection photo-interrupter signal input
"H" = slit position detected,
"L" = positions other than slit detected
"H" = slit position detected,
"L" = positions other than slit detected
67
P25/A5(/D5/D4)
CD_PUIN.SW
Input
PICKUP inner SW detection input
"L" = PICKUP inner SW ON
"L" = PICKUP inner SW ON
68*
P24/A4(/D4/D3)
—
Output
Port processing. Fixed at "L".
69*
P23/A3(/D3/D2)
—
Output
Port processing. Fixed at "L".
Pin No.
Function
Port Name
Terminal Name Input/Output
ICD02 RH-iX0566AW00: System Microcomputer (IX0566AW) [Serial N0. 20500065 to 20501035] (2/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (2/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (2/3)
SD-EX100H
– 76 –
In this unit, the terminal with asterisk mark (*) is open terminal which is not connected to the outside.
70
P22/A2(/D2/D1)
CD_FUNC
Output
CD power control and DIG signal switching output
"L" output in case of CD FUNC; "H" output in other cases
"L" output in case of CD FUNC; "H" output in other cases
71*
P21/A1(/D1/D0)
DIG_FUNC
Output
External DIG input power control output
"L" output in case of DIG.FUNC; "H" output in other cases
"L" output in case of DIG.FUNC; "H" output in other cases
72*
P20/A0(/D0/-)
—
Output
Port processing. Fixed at "L".
73
P17/D15/INT5
CD_BUS3
Input/Output CD DSP Interface input-output. Bus line 3.
Fixed at output "L" in cases except for CD function
74
P16/D14/INT4
CD_BUS2
Input/Output CD DSP Interface input-output. Bus line 2.
Fixed at output "L" in cases except for CD function
75
P15/D13/INT3
CD_BUS1
Input/Output CD DSP Interface input-output. Bus line 1.
Fixed at output "L" in cases except for CD function
76
P14/D12/INT2
CD_BUS0
Input/Output CD DSP Interface input-output. Bus line 0.
Fixed at output "L" in cases except for CD function
77
P13/D11
CD_BUCK
Output
CD DSP Interface clock output.
Bus line: Clock
Fixed at output "L" in cases except for CD function
Bus line: Clock
Fixed at output "L" in cases except for CD function
78
P12/D10
CD_CCE
Output
CD DSP interface chip enable output.
Fixed at output "L" in cases except for CD function
Fixed at output "L" in cases except for CD function
79
P11/D9
CD_RESET
Output
Reset output to CD DSP
Fixed at output "L" in cases except for CD function
"L"
Fixed at output "L" in cases except for CD function
"L"
"H": Reset; Thereafter "H" output for CD
80
P10/D8
CD_RW-SW
Output
Primary power relay control output
"H" Output : Relay ON, Current is supplied "L" Output : Relay OFF
"H" Output : Relay ON, Current is supplied "L" Output : Relay OFF
81*
P07/D7
—
Output
Port processing. Fixed at "L".
82*
P06/D6
—
Output
Port processing. Fixed at "L".
83*
P05/D5
—
Output
Port processing. Fixed at "L".
84
P04/D4
CCB_D0
Input
Serial data input from SANYO CCB device
85
P03/D3
CCB_CE
Output
Serial clock output to SANYO CCB device
86
P02/D2
CCB_DI
Output
Serial command data output to SANYO CCB device
87
P01/D1
CCB_CL
Output
CE Control output to SANYO CCB device
88
P00/D0
TIMER_STBY
Output
Timer standby LED control
LED lights up during output "H"; LED lights out during output "L"
LED lights up during output "H"; LED lights out during output "L"
89
P107/AN7/KI3
(TUN)SM
Input
To monitor TUNER signal strength
A/D Input
90
P106/AN6/KI2
MECH_M_SENS
Input
A/D import. Inversion voltage detection input-output when confining CD
A/D Input
mechanism UP operation. Detection level: Not yet determined
91
P105/AN5/KI1
PROTECT
Input
A/D import.
A/D Input
Amplifier abnormality detection. Types of ERR detected according to voltage.
92*
P104/AN4/KI0
—
Output
Port processing. Fixed at "L".
93*
P103/AN3
—
Input
Port processing. Fixed at "L".
94
P102/AN2
KEY2
Input
A/D import. Main unit keystroke 2
A/D Input
95
P101/AN1
KEY1
Input
A/D import. Main unit keystroke 1
A/D Input
96
AVSS
AVSS
—
VSS Terminal for A/D converter. Connected to GND (VSS)
97
P100/AN0
INT
Input
A/D import. Main unit keystroke 1
A/D Input
Setting according to destination
98
VREF
VREF
Input
A/D converter reference voltage input terminal.
Connected to VCC terminal
Connected to VCC terminal
99
AVCC
AVCC
Input
A/D converter power input terminal.
Connected to VCC terminal
Connected to VCC terminal
100
P97/ADTRG/SIN4
FLD_RESET
Output
Reset output to FL driver M66005
Pin No.
Function
Port Name
Terminal Name Input/Output
ICD02 RH-iX0566AW00: System Microcomputer (IX0566AW) [Serial N0. 20500065 to 20501035] (3/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (3/3)
ICD02 RH-iX0566AWZZ: System Microcomputer (IX0566AW) [From Serial N0. 20601036] (3/3)
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