Read Sharp 32HW-53 (serv.man2) Service Manual online
DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 2 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC1001 – Microprocessor
Type:
Thomson ST10R272L
Sharp Part Number: RH-IX1686BMZZ
Package:
SMD gull wing
Price Code:
AW
This IC is the same type for all models (FW, GF and HW). To date, it has no alternative.
Pin
Name
I/O
Comment
DC Voltage
1
P5.13
I
Vertical Sync
0V
2
P5.14
I
AFT 1
0V
3
P5.15
I
AFT 2
0V
4
VBS
X
Ground
0V
5
XTAL1
I/O
Crystal
1.4V
6
XTAL2
I/O
Crystal
1.4V
7
VDD
I
Supply
3.3V
8
3.0
X
Not Connected
-
9
3.1
X
Not Connected
-
10
3.2
O
To primary IC
-
11
3.3
O
OPC LED
-
12
3.4
O
AGC Out
Variable
13
3.5
I
Not Connected
-
14
3.6
O
Stereo LED
-
15
3.7
I
OPC Input
Variable
16
3.8
O
AV Link (AV2)
-
17
3.9
I
AGC input
Variable
18
3.10
O
M3 clock
4.3V
19
3.11
I/O
M3 data
4.3V
20
3.12
I/O
Enable
4.3V
21
3.13
I/O
Service data
0V
22
3.15
X
Not Connected
-
23
A16
O
EPROM Address Line
-
24
A17
O
EPROM Address Line
-
25
A18
O
EPROM Address Line
-
26
A19
O
EPROM Address Line
-
27
VSS
X
Ground
OV
28
VDD
I
Supply
3.3V
29
A20
X
Not Connected
-
30
A21
X
Not Connected
-
31
A22
X
Not Connected
-
32
A23
X
Not Connected
-
33
RD
O
Read enable
-
34
WR/WAL
X
Not connected
-
35
READY
X
Not connected
-
36
ALE
O
All Logic Enable
4.3V
37
EA
X
Earth
0V
38
VDD
I
Supply
3.3V
39
VSS
X
Earth
0V
40
RPD
I
Control
-
41
D0
X
EPROM Data Line
-
42
D1
X
ERPOM Data Line
-
43
D2
X
EPROM Data Line
-
44
D3
X
EPROM Data Line
-
45
D4
X
EPROM Data Line
-
46
D5
X
EPROM Data Line
-
47
D6
X
EPROM Data Line
-
48
D7
X
EPROM Data Line
-
49
VDD
I
Supply
3.3V
50
VSS
X
Ground
0V
51
SELF1
I
Band switching control
-
52
BG/L
I
Band switching control
-
53
L/L’
I
Band switching control
-
54
RESOUT
O
Reset out
3.3V
55
ROT OUT
O
Rotation output
Variable
56
RES2OUT
O
Reset output 2
3.3V
57
HOUT
O
Horizontal mute control
0V
58
POH 7
I
Control
-
59
A0
O
EPROM Address Line
-
60
A1
O
EPROM Address Line
-
61
A2
O
EPROM Address Line
-
62
A3
O
EPROM Address Line
-
63
A4
O
EPROM Address Line
-
64
A5
O
EPROM Address Line
-
65
A6
O
EPROM Address Line
-
66
A7
O
EPROM Address Line
-
67
A8
O
EPROM Address Line
-
68
VSS
X
Ground
0V
69
VDD
I
Supply
3.3V
70
A9
O
EPROM Address Line
-
71
A10
O
EPROM Address Line
-
72
A11
O
EPROM Address Line
-
73
A12
O
EPROM Address Line
-
74
A13
O
EPROM Address Line
-
75
A14
O
EPROM Address Line
-
76
A15
O
EPROM Address Line
-
77
VSS
X
Ground
0V
78
VDD
I
Supply
3.3V
79
RSTIN
I
Reset input
5.0V
80
RSTOUT
O
Reset output
3.3V
81
NMI
I
Control
3.0V
82
P6.0
I
AV3 Select (RGB)
0V/5V
83
P6.1
I
AV2 Select
0V/5V
84
P6.2
I
AV1 Select
0V/5V
85
P6.3
I
SELV
-
86
P6.4
O
SCL2
4.3V
87
P6.5
X
Not connected
-
88
P6.6
X
Not connected
-
89
P6.7
X
Not connected
-
90
P2.8
X
Not connected
-
91
P2.9
I
From primary processor
-
92
P2.10
O
AL (AV link data)
Variable
93
P2.11
I/O
SDA1
4.2V
94
P7.0
O
SCL1
4.2V
95
P7.1
X
Not connected
-
96
P7.2
I/O
SDA2
4.2V
97
P7.3
O
AFT control
Variable
98
P5.10
X
Not connected
-
99
P5.11
X
Not connected
-
100
P5.12
I
Audio Protection (low active)
5V
Note that because not all the pins are used on the
microprocessor, voltages are only shown as necessary on the
above table.
microprocessor, voltages are only shown as necessary on the
above table.
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