Read Sharp HT-M700H (serv.man9) Service Manual online
HT-M700H
8 – 6
U701 RH-iX0058SJZZ: System Microcomputer (IX0058SJ) (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*
P16/T1PWML
SC_MUTE
Output
SCART AUDIO POWER ON MUTE.
2*
P17/T1PWMH/BUZ
N.C.
–
Not used.
3
P30/PWM2/IN4/T1IN
PROG1
Input/Output
Program port for chip 1.
4
P31/PWM3/IN4/T1IN
PGOR2
Input/Output
Program port for chip 2.
5
P32/IN4/T1IN
PROG3
Input/Output
Program port for chip 3.
6
P33/IN4/T1IN
REM_CON
Input [INT]
REMOTE SIGNAL INPUT.
7
P34/IN5/T1IN
HP_DETECT
Input
HEADPHONE PLUG IN/OUT DETECT.
8
P35/IN5/T1IN
HP_MUTE
Output
HEADPHONE OUTPUT MUTE. "L"
→ MUTE ACTIVE
9
P36/IN5/T1IN/AN12
AMP_MUTE
Output
DDX2062 MUTE, “L”
→ MUTE ACTIVE
10*
P37/IN5/T1IN/AN13
N.C.
–
Not used.
11
RES
RESET INPUT
Input
SYSTEM RESET.
12
XT1/AN10
CRYSTAL IN
Input
MAIN CRYSTAL INPUT.
13
XT2/AN11
CRYSTAL OUT
Output
MAIN CRYSTAL OUTPUT.
14
VSS1
GND
–
Ground.
15
CF1
CRYSTAL IN
Input
SUB CRYSTAL INPUT.
16
CF2
CRYSTAL OUT
Output
SUB CRYSTAL OUTPUT.
17
VDD1
VDD1
Input
POWER +5 V.
18
P80/AN0
KEY1
Input [AD]
KEY SCAN 1.
19
P81/AN1
KEY2
Input [AD]
KEY SCAN 2.
20
P82/AN2
POWER KEY
Input
POWER KEY.
21
P83/AN3
RDS VSM
Input [AD]
TUNER SMETER.
22
P84/AN4
RDS DATA
Input
RDS DATA IN.
23
P85/AN5
I_DETECT
Input [AD]
OVERLOAD DETECT. SPEC WILL BE AVAILABLE LATER.
24
P86/AN6
PATCH_DATA
Input
I
2
C_SDA(EEPROM DATA).
25
P87/AN7/MICIN
MODEL_CHECK
Input [AD]
DIFFERENT COUNTRY SELECT.
26
P70/INT0/T0LCP/AN8
SYS_STOP
Input [INT]
SYSTEM STOP CHECK OUT.
27
P71/INT1/T0HCP/AN9
DVD_STB
Input [INT]
DVD STOROBE.
28
P72/INT2/T0IN/NKIN
RDS_CL
Input [INT]
RDS CLK SIGNAL.
29*
P73/INT3/T0IN
N.C.
–
Not used.
30
S0/T0
1G
Output
VFD SEGMENT.
31
S1/T1
2G
Output
VFD SEGMENT.
32
S2/T2
3G
Output
VFD SEGMENT.
33
S3/T3
4G
Output
VFD SEGMENT.
34
S4/T4
5G
Output
VFD SEGMENT.
35
S5/T5
6G
Output
VFD SEGMENT.
36
S6/T6
7G
Output
VFD SEGMENT.
37
S7/T7
8G
Output
VFD SEGMENT.
38
S8/T8
9G
Output
VFD SEGMENT.
39
S9/T9
10G
Output
VFD SEGMENT.
40
S10/T10
P1
Output
VFD SEGMENT.
41
S11/T11
P2
Output
VFD SEGMENT.
42
S12/T12
P3
Output
VFD SEGMENT.
43
S13/T13
P4
Output
VFD SEGMENT.
44
S14/T14
P5
Output
VFD SEGMENT.
45
S15/T15
P6
Output
VFD SEGMENT.
46
VDD3
VDD3
Input
POWER +5 V.
47
S16/PC0
P7
Output
VFD SEGMENT.
48
S17/PC1
P8
Output
VFD SEGMENT.
49
S18/PC2
P9
Output
VFD SEGMENT.
50
S19/PC3
P10
Output
VFD SEGMENT.
51
FIX0
GND
–
Ground.
52
S20/PC4
P11
Output
VFD SEGMENT.
53
S21/PC5
P12
Output
VFD SEGMENT.
54
S22/PC6
P13
Output
VFD SEGMENT.
55
S23/PC7
P14
Output
VFD SEGMENT.
56
S24/PD0
P15
Output
VFD SEGMENT.
57
S25/PD1
P16
Output
VFD SEGMENT.
58*-69*
S26/PD2-S37/PE5
N.C.
–
Not used.
70
S38/PE6
DOOR_CLOSE
Input
DECORATE DOOR CLOSED SWITCH.
71
S39/PE7
DOOR_OPEN
Input
DECORATE DOOR OPEN SWITCH.
72
VDD4
VDD4
Input
POWER +5 V.
73
S40/PF0
SD
Input
SD SIGNAL (TUNER).
Click on the first or last page to see other HT-M700H (serv.man9) service manuals if exist.