Sharp XL-DK257N Service Manual page 82

XL-DK257N
IC701 RH-IXA159AW00: System Microcomputer (3/5)
NAME
Pin
No.
PORT_TYPE
HP_MUTE
51
P43
HP_SW
52
P42
OPEN_SW
53
P41
CLOSE_SW
54
P40
AC_RLY
55
P37
TRY_M+
56
P36
TRY_M-
57
P35
MOT_SPEED
P34
58
NO USE
59
P33
NO USE
60
P32
NO USE
61
P31
VCC
62
VCC2
IND_TIMER
P30
63
GND
64
VSS
NO USE
65
P27
NO USE
66
P26
S_MUTE
67
P25
NO USE
68
P24
NO USE
69
P23
CD_PUIN-SW
70
P22
CD_REQ
71
P21
CD_CCE
P20
72
CD_BUCK
73
P17
CD_BUS3
P16/INT4
74
CD_BUS2
P15/INT3
75
INPUT /
FORM
OUTPUT
OUTPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
- -
OUTPUT CMOS INPUT / OUTPUT
- -
INPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
INPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
OUTPUT CMOS INPUT / OUTPUT
INPUT /
CMOS INPUT / OUTPUT
OUTPUT
8 – 9
SOFT
FUNCTION OUTLINE
PULLUP
HEADPHONE MUTE CONTROL
L: ON H:OFF
HP DETECT SW
L: HP_Out H: HP_In
OFF
TRAY OPEN SWITCH
DETECTION
TRAY OPEN SWITCH
DETECTION
AC RELAY CONTROL
OFF
CHANGER TRAY MOTOR+
CHANGER TRAY MOTOR-
TRAY MOTOR SPEED
OFF
CONTROL
L: HIGH SPEED
H:LOW SPEED
Fix "L"
OFF Fix "L"
Fix "L"
MICOM SUPPLY INPUT (3.3V)
-
BACK-UP POWER SUPPLY
TIMER STANDBY LED
CONTROL
-
HLED LIGHT UPLLED LIGHT
OFF
- CONNECT TO GND
Fix "L"
Fix "L"
OFF
SYS-MUTE OUTPUT
H: MUTE
Fix "L"
Fix "L"
CD PICK-UP IN POSITION
DETECT SWITCH
MP3 DEC. INTERFACE FOR
OFF
MP3 REQ : MP3 /
USB MODEL
CD DSP INTERFACE CHIP
ENABLE OUTPUT OTHERS
FUNCTION THEN CD, Fix "L"
OUTPUT
CD DSP INTERFACE CLOCK
OUTPUT EXCEPT CD
FUNCTION, Fix "L" OUTPUT
CD DSP INTERFACE INPUT /
OUTPUT BUS LINE 3
OFF OTHERS FUNCTION THEN
CD, Fix "L" OUTPUT
CD DSP INTERFACE INPUT /
OUTPUT BUS LINE 2
OTHERS FUNCTION THEN
CD, Fix "L" OUTPUT