Sharp MD-M3 Service Manual page 70

MD-M3/M1
ICD01 RH-iX0288AWZZ: System Microcomputer/FL Driver (iX0288AW) (1/2)
Port Name
Terminal Name
Pin No.
1 CD_CE P16
2 CD_INT P17
3 CD_WRQ P30
4 CD_DRF P31
5 CD_LID_SW P32
6 CD_PUIN P33
7 PROGRAM P34
8 NC P35
9 NC P36
10 POWER P37
11 RESET RES
12 NC AN10
13 AMP_HPSW AN11
14 VSS VSS1
15 CF_IN CF1
16 CF_OUT CF2
17 VDD VDD1
18 AMP_TEMP AN0
19 AMP_LEVEL AN1
20 TU_SM AN2
21 SY_DEST AN3
22 KEY1 AN4
23 KEY2 AN5
24 KEY3 AN6
25* NC P87
26 SYS_STOP INT0
27 NC P71
28 MD_DSTB INT2
29 REM_IN INT3
30 GI T0
31 G2 T1
32 G3 T2
33 G4 T3
34 G5 T4
35 G6 T5
36 G7 T6
37 G8 T7
38 G9 T8
39 G10 T9
40 G11 T10
41 G12 T11
42 G13 T12
43 S21 S13
44 S20 S14
45 S19 S15
46 VDD-F VDD3
47 S18 S16
48 S17 S17
49 S16 S18
50 S15 S19
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output Serial control chip enable for CD DSP.
Input Serial control interruption for CD DSP.
Input Serial control write request for CD DSP.
Input RF detection.
Input CD lid open/close detection. "L" : CLOSE "H" : OPEN.
Input Pick position detection. "L" : INNER RADIUS.
Input Program switch. "L" : PROGRAM MODE.
Input Connection GND.
Input Connection GND.
Output Power for set switch output "H" : ON.
Input System reset input.
Input Connection GND.
Input Headphone switch input. "L" : HEADPHONE ON.
– GND.
Input Main clock quarts 8.38MHz.
Output Main clock quarts 8.38MHz.
– + Power.
Input AMP. temperature detection input.
Input AMP. signal level detection input.
Input TUNER signal meter input.
Input TUNER destination setting.
Input Operation key input 0 ~ 9.
Input Operation key input 10 ~ 18.
Input Operation key input 19 ~ 27.
Input Connection GND.
Input System power failure detection input.
Input Connection GND.
Input Data strobe for serial data.
Input Remote control input.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent grid drive.
Output Fluorescent segment drive.
Output Fluorescent segment drive.
Output Fluorescent segment drive.
– +Power for fluorescent drive.
Output Fluorescent segment drive.
Output Fluorescent segment drive.
Output Fluorescent segment drive.
Output Fluorescent segment drive.
– 70 –
Function