Read Sharp 76FW-54H Service Manual online
DA100 (50Hz) Chassis – Article for Television Magazine
Page 73 of 80
Sharp Electronics (UK) Limited - March 2003
Revision 2
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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