Read Sharp 32HW-53 (serv.man2) Service Manual online
DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 8 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC2401 - Megatext
**FW53H
Type:
Type:
Siemens SDA5273-2
Sharp Part Number: RH-IX1673BMZZ
Package:
DIL
Price Code:
BE
**FW54H (Pro-Logic Models)
Type:
Type:
Siemens SDA5275-3
Sharp Part Number: RH-IX1709BMZZ
Package:
DIL
Price Code:
BG
Note that a different type of IC is used for the Dolby Pro-Logic version of this chassis. It also has a page
store (IC2402) associated with the Mega Text IC when used in the Pro-Logic set.
store (IC2402) associated with the Mega Text IC when used in the Pro-Logic set.
Pin
Name
I/O
Comment
DC Voltage
1
CLK
X
Not connected
1.1V
2
TSCQ
X
Not connected
2.0 to 2.3V
3
VS
I
Vertical pulse
0.V
4
HS
I
Horizontal pulse
0.1V
5
XOUT
O
Crystal
1.5V
6
XIN
I
Crystal
2.0V
7
GPO
X
Not connected
0V
8
TM
X
Grounded
0V
9
CVBS
I
Composite video
5.0V
10
VDD 1
I
Supply
5.0V
11
VDDA
I
Supply
5.0V
12
VSSA 1
X
Ground
0V
13
VDD 2
I
Supply
5.0V
14
RES
I
Reset In
2.9V
15
VDD 3
I
Supply
5.0V
16
AVREF
I
Reference voltage
2.9V
17
VDD 4
I
Supply
5.0V
18
A8
O
Used with IC2402
0.1V
19
A7
O
Used with IC2402
0.1V
20
A6
O
Used with IC2402
0.1V
21
A5
O
Used with IC2402
0.2V
22
A4
O
Used with IC2402
0.2V
23
A3
O
Used with IC2402
0.2V
24
A2
O
Used with IC2402
0.1V
25
A1
O
Used with IC2402
0V
26
A0
O
Used with IC2402
1.5V
27
A9
O
Used with IC2402
0V
28
A10
X
Not connected
3.5V
29
A11
X
Not connected
3.9V
30
RASQ
O
Used with IC2402
1.2V
31
WEQ
O
Used with IC2402
0V
32
D1
I/O
Used with IC2402
4.6V
33
D2
I/O
Used with IC2402
4.2V
34
D3
I/O
Used with IC2402
4.6V
35
D4
I/O
Used with IC2402
4.2V
36
VSS 4
X
Grounded
0V
37
CASQ
X
Not connected
4.6V
38
VSS 3
X
Grounded
0V
39
VBB
I
Reference
-1.9V
40
VSS 2
X
Grounded
0V
41
VSSA 2
X
Grounded
0V
42
RGB GND
X
Grounded
0V
43
VSS 1
X
Grounded
0V
44
R
O
Red output
0V
45
G
O
Green output
0V
46
B
O
Blue output
0V
47
BLAN
O
Blanking output
0.5V
48
CORQ
X
Not used
4.98V
49
M3CLK
I
Clock
4.98V
50
M3LDA
I/O
Data
0V
51
I2CEN
I
Data enable
0V
52
INTQ
X
Not connected
0V
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