Sharp SD-AS10, Service Manual

Page: 124 / 188

SD-AS10
8 – 15
ICP600 RH-iXA028AW00: System Microcomputer (IXA028AW) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No. Terminal Name Port Name Input/Output Function
1 LCD_SDA P96/ANEX1/SOUT4 Output Display data output to LCD driver.
2 LCD_SCL P95/ANEX0/CLK4 Output Serial clock output to LCD driver.
3 LCD_CS P94/DA1/TB4IN Output CS control output to LCD driver.
4 LCD_RESET P93/DA0/TB3IN Output Reset output to LCD driver.
5 LCD_A0 P92/TB2IN/SOUT3 Output A0 signal output to LCD driver.
6 CHANGER LED P91/TB1IN/SIN3 Output Changer LED. H: LED ON, L: LED OFF
7 N.C. P90/TB0IN/CLK3 Output Not used.
8 BYTE BYTE Input Connect to VSS.
9 VSS VSS — GND
10* XC IN P87/XCIN Input 32.768 kHz Subclock.
11* XC OUT P86/XCOUT Output 32.768 kHz Subclock.
12 RESET RESET Input System micom reset input. L: RESET
13 X_OUT XOUT Output Main clock output 9.83 MHz.
14 GND VSS — Connect to GND (VSS).
15 X_IN XIN Input Main clock input 9.83 MHz.
16 VCC VCC Input Power input 3.3 V, back up power.
17 NMI P85/NMI Output Pull up to VCC by 10K.
18 POWER KEY P84/INT2 Input Power Key detection. “L”: Pressing key
19 REMO SIGNAL H P83/INT1 Input Remocon signal decord (Pilips Remo) for horizontal way.
20 REMO SIGNAL V P82/INT0 Input Remocon signal decord (Pilips Remo) for vertical way.
21 V/H SW 1 P81/TA4IN/U Input Vertical/Horizontal position detection SW1.
22 DVD IR P80/TA4OUT/U — DVD command data.
23 V/H SW 2 P77/TA3IN Output Vertical/Horizontal position detection SW2.
24 DVD FUNC P76/TA3OUT Input Power control at DVD unit.
25 EEPROM MODE P75/TA2IN/W Input EEPROM access mode. L: Normal, H: Read
26 DVD RESET P74/TA2OUT/W Output DVD reset out.
27 EEPROM WP P73/CTS2/RTS2/TA1IN/V Output EEPROM WP
28* N.C. P72/CLK2/TA1OUT/V — Not used.
29 EEPROM SCL P71/RVXD2/SCL/TA0IN/
TB5IN Input Clock input from EEPROM.
30 EEPROM SDA P70/TXD2/SDA/TA0OUT Output Power control at DVD unit.
POWER ON (W/O TUNER: “L” OUTPUT, TUNER & P-
OFF: “H” OUTPUT)
31 FLASH_TXD P67/TXD1 Output Sent data output to flash writer.
32 DVD DATA/
FLASH_RXD P66/RXD1 Input DVD data input serial 32 byte/receive data input from flash
writer.
33 DVD CLK/
FLASH_SCLK P65/CLK1 Input DVD data clock input serial 32 byte/clock input from flash
writer.
34 FLASH_BUSY P64/CTS1/RTS1/CTS0/
CLKS1 Output Bus output to flash writer. BUSY: “H”
35 SYS CMD P63/TXD0 Output Communication with amp unit, command transfer.
36 AMP MOE P62/RXD0 Input Communication with amp unit. (To receive in amp mode)
STB=H: AMP
→
SYS communication start request
37 SYS CLK P61/CLK0 Output Communication with amp unit, sync clock output.
38 SYS STB P60/CTS0/RTS0 Output Communication with amp unit.
SYS
→
AMP communication request
39 LED 1 P57/RDY/CLKOUT Output LED 1 control. ON = “H”, OFF = “L”
40 LED 2 P56/ALE Output LED 2 control. ON = “H”, OFF = “L”
41 LED 3 P55/HOLD Output LED 3 control. ON = “H”, OFF = “L”
42 LED 4 P54/HLDA Output LED 4 control. ON = “H”, OFF = “L”
43 LED 5 P53/A16 Output LED 5 control. ON = “H”, OFF = “L”
44* N.C. P52/A17 — Not used.
45* N.C. P51/WRH/BHE — Not used.
46* N.C. P50/WRL/WR — Not used.
47 UNLOAD SW P47/CS3 — CH mecha SW5.
48 D_CAM HOME SW P46/CS2 Output CH mecha P_SW H1.
49 D_CAM POS SW P45/CS1 Input CH mecha P_SW H2.
50 LOAD SW P44/CS0 Input CH mecha P_SW H3.
51 M_CAM POS SW P43/A19 Input CH mecha P_SW H4.
52 M_CAM OVER SW P42/A18 Input CH mecha P_SW H5.
53 SHUTTER SW P41/A17 Input CH mecha P_SW H6.