Sharp XL-HP737 Service Manual - Page 56

IC701 RH-iXA003AWZZ: System Microcomputer IXA003AW Serial No.40100012 ~ 40103011 1/2

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XL-HP737 IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.40100012 ~ 40103011) (1/2) IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.40203012~) (1/2) Pin No. 1 2 3 4 5* 6 7 8 9* 10 11 12 13 14* 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31-33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49* 50* 51* 52* 53 Port Name VDD P37 P36 P35 P34 P33 P32 P31 P30 RESET X2 X1 IC(VPP) XT2 P04 VDD P27 P26 P25 P24 P23 P22 P21 P20 AVSS ANI7 ANI6 ANI5 ANI4 ANI3 ANI2-ANI0 AVDD AVREF INTP3 P02 INTP1 INTP0 VSS P74 P73 P72 P71 P70 VDD P127 P126 P125 P124 P123 P122 P121 Terminal Name VDD -20dBATT T BIAS T_REC/PLAY NO USE CD RESOUT CD_WRQ SUB CE ILLU LED RESET XOUT XIN VPP NO USE CD_DRF VDD CLK DI DO CE CD CE CD CLK CD DI CD DO AVSS T RUN PULS TUN SM T_FP SW PROTECT VOL JOG KEY 2-KEY 0 AVDD AVREF P_IN PHOTO SP DET REMOCON VSS S MUTE TIMER LED T_SOL T_MOTOR VOL LED VDD SP RLY AC RLY RDS RST RDS READY RDS RDDA RDS RDCL TRAY SW2 Input/Output Input Output Output Output Output Output Input Output Output Input Output Input - - Input Input Output Output Input Output Output Output Output Input - Input Input Input Input Input Input Input Input Input Input Input Input - Output Output Output Output Output Input Output Output Output Input Input Output Input (+) Power supply 5V. -20dB Attenuator. Tape record bias control. Tape REC/PLAY control. Open. CD reset. CD WRQ input. MP3 Sub-micom CE. FL edge light control. Reset Input. Main clock output 4.19MHz. Main clock input 4.19MHz. GND Open CD DRF detect. (+) Power supply 5V. Clock output. Data output. Data input. CE output. CD chip enable. CD Clock. CD Data output. CD Data input. Analog ground. Tape Run Pulse detect. Tuner signal meter. Tape Fool Proof A & B SW. Power abnormal detect. Volume jog input. Key input. Analog power supply 5V. Analog reference voltage 5V. Power failure detect. 5-Changer Photo SW. Speaker abnormal detect. Remocon input. Ground voltage. System mute control. Timer LED. Tape solenoid control. Tape motor control. Volume LED. (+) Power supply 5V. Speaker relay control. AC relay control. RDS reset. RDS ready. RDS data. RDS clock. 5-Changer Tray SW2. Function In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. 8 - 11

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XL-HP737
8 – 11
IC701 RH-iXA003AWZZ: System Microcomputer (IXA003AW) (Serial No.40100012 ~ 40103011) (1/2)
IC701 RH-iXA021AWZZ: System Microcomputer (IXA021AW) (Serial No.40203012~) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Port Name
Terminal Name
Input/Output
Function
1
VDD
VDD
Input
(+) Power supply 5V.
2
P37
-20dBATT
Output
-20dB Attenuator.
3
P36
T BIAS
Output
Tape record bias control.
4
P35
T_REC/PLAY
Output
Tape REC/PLAY control.
5*
P34
NO USE
Output
Open.
6
P33
CD RESOUT
Output
CD reset.
7
P32
CD_WRQ
Input
CD WRQ input.
8
P31
SUB CE
Output
MP3 Sub-micom CE.
9*
P30
ILLU LED
Output
FL edge light control.
10
RESET
RESET
Input
Reset Input.
11
X2
XOUT
Output
Main clock output 4.19MHz.
12
X1
XIN
Input
Main clock input 4.19MHz.
13
IC(VPP)
VPP
—
GND
14*
XT2
NO USE
—
Open
15
P04
CD_DRF
Input
CD DRF detect.
16
VDD
VDD
Input
(+) Power supply 5V.
17
P27
CLK
Output
Clock output.
18
P26
DI
Output
Data output.
19
P25
DO
Input
Data input.
20
P24
CE
Output
CE output.
21
P23
CD CE
Output
CD chip enable.
22
P22
CD CLK
Output
CD Clock.
23
P21
CD DI
Output
CD Data output.
24
P20
CD DO
Input
CD Data input.
25
AVSS
AVSS
—
Analog ground.
26
ANI7
T RUN PULS
Input
Tape Run Pulse detect.
27
ANI6
TUN SM
Input
Tuner signal meter.
28
ANI5
T_FP SW
Input
Tape Fool Proof A & B SW.
29
ANI4
PROTECT
Input
Power abnormal detect.
30
ANI3
VOL JOG
Input
Volume jog input.
31-33
ANI2-ANI0
KEY 2-KEY 0
Input
Key input.
34
AVDD
AVDD
Input
Analog power supply 5V.
35
AVREF
AVREF
Input
Analog reference voltage 5V.
36
INTP3
P_IN
Input
Power failure detect.
37
P02
PHOTO
Input
5-Changer Photo SW.
38
INTP1
SP DET
Input
Speaker abnormal detect.
39
INTP0
REMOCON
Input
Remocon input.
40
VSS
VSS
—
Ground voltage.
41
P74
S MUTE
Output
System mute control.
42
P73
TIMER LED
Output
Timer LED.
43
P72
T_SOL
Output
Tape solenoid control.
44
P71
T_MOTOR
Output
Tape motor control.
45
P70
VOL LED
Output
Volume LED.
46
VDD
VDD
Input
(+) Power supply 5V.
47
P127
SP RLY
Output
Speaker relay control.
48
P126
AC RLY
Output
AC relay control.
49*
P125
RDS RST
Output
RDS reset.
50*
P124
RDS READY
Input
RDS ready.
51*
P123
RDS RDDA
Input
RDS data.
52*
P122
RDS RDCL
Output
RDS clock.
53
P121
TRAY SW2
Input
5-Changer Tray SW2.