Read Sharp XL-HF401PH (serv.man5) Service Manual online
XL-HF401PH
5 – 2
IC500 RH-IXA336AW00 : Microcomputer IXA336AW00 (2/4)
Pin
No.
No.
NAME
Input/
Output
Type
Description
27
DAP_PWDN
Output
CMOS Input /
Output
DAP POWER DOWN CONTROL
H : NORMAL , L : POWER DOWN
H : NORMAL , L : POWER DOWN
P65/TI11/TO11
28
DAP_MUTE
Output
CMOS Input /
Output
DAP MUTE CONTROL
H : OFF , L : ON
H : OFF , L : ON
P66/TI12/TO12
29
IN_SO
Output
CMOS Input /
Output
INPUT SELECTOR CONTROL 0
P67/TI13/TO13
30
AMP_SD
Input
CMOS Input /
Output
AMPLIFIER SHUTDOWN DETECTION
H : NORMAL , L : ABNORMAL
H : NORMAL , L : ABNORMAL
P77/KR7/INTP11
31
SYS_STOP
Input
CMOS Input /
Output
POWER FAILURE DETECTION
P76/KR6/INTP10
32
AMP_OTW
Input
CMOS Input /
Output
AMPLIFIER OVERTEMPERATURE WARNING DETECTION
H : NORMAL , L : ABNORMAL
H : NORMAL , L : ABNORMAL
P75/KR5/INTP9
33
IN_S1
Output
CMOS Input /
Output
INPUT SELECTOR CONTROL 1
P74/KR4/INTP8
34
TIMER_LED
Output
CMOS Input /
Output
TIMER LED CONTROL
L: ON , H: OFF
L: ON , H: OFF
P73/KR3
35
NC
Output
CMOS Input /
Output
FIX "L"
P72/KR2/SO21
36
NC
Output
CMOS Input /
Output
FIX "L"
P71/KR1/SI21/SDA21
37
NC
Output
CMOS Input /
Output
FIX "L"
P70/KR0/SCK21/SCL21
38
NC
Output
CMOS Input /
Output
FIX "L"
P06/TI06/TO06
39
DCDC_EN
Output
CMOS Input /
Output
DCDC ENABLE CONTROL (SPARE)
FIX "L"
FIX "L"
P05/TI05/TO05
40
AC_RELAY
Output
CMOS Input /
Output
MAIN TRANS ON/OFF CONTROL
H : POWER ON/DEMO , L : POWER OFF/ECO
H : POWER ON/DEMO , L : POWER OFF/ECO
P30/INTP3/RTC1HZ/SCK11/SCL11
41
H/P-SW
Input
CMOS Input /
Output
HEADPHONE IN DETECTION SWITCH
L : IN , H : OUT
L : IN , H : OUT
P50/INTP1/SI11/SDA11
42
HP_MUTE
Output
CMOS Input /
Output
HEADPHONE MUTE CONTROL
H : ON , L : OFF
H : ON , L : OFF
P51/INTP2/SO11
43
CURRENT_LIMIT
Output
CMOS Input /
Output
CURRENT LIMITTER IC SET
P52/SO31
44
I2S_SEL
Output
CMOS Input /
Output
I2S SIGNAL SELECTOR IC CONTROL
L : OTHER , H : AIR PLAY
L : OTHER , H : AIR PLAY
P53/SI31/SDA31
45
IPOD_DET
Input
CMOS Input /
Output
IPOD IN DETECTION
L : IN , H : OUT
L : IN , H : OUT
P54/SCK31/SCL31
46
IPOD_SW
Output
CMOS Input /
Output
IPOD PARALLEL CHARGING CONTROL (HW CONTROL)
H: IPOD , L : OTHER
H: IPOD , L : OTHER
P55
47
USB_SW
Output
CMOS Input /
Output
USB PARALLEL CHARGING CONTROL (HW CONTROL)
H: USB , L : OTHER
H: USB , L : OTHER
P17/TI02/TO02
48
FAULT
Input
CMOS Input /
Output
TPS2561 FAULT DETECTION
L: FAULT, H: NORMAL
L: FAULT, H: NORMAL
P16/TI01/TO01/INTP5
49
DAB_RST
Output
CMOS Input /
Output
DAB MODULE RESET
P15/SCK20/SCL20
50
DAB_TX
Input
CMOS Input /
Output
DAB MODULE DATA RECEIVE
P14/RXD2/SI20/SDA20
51
DAB_RX
Output
CMOS Input /
Output
DAB MODULE COMMAND OUT
P13/TXD2/SO20
52
FL_SDATA
Output
CMOS Input /
Output
FL DRIVER DATA OUTPUT
P12/SO00/TXD0/TOOLTXD
53
NC
Output
CMOS Input /
Output
FIX "L"
P11/SI00/RXD0/TOOLRXD/SDA00
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