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Model
66FW-54H (serv.man2)
Pages
9
Size
601.83 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / IC voltage tables for the DA100 (50Hz) and DA50W chassis
File
66fw-54h-sm2.pdf
Date

Sharp 66FW-54H (serv.man2) Service Manual ▷ View online

DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 7 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC501 - Vertical Output
Type:
Thomson TDA7480
Sharp Part Number: VHITDA7480/-1
Package:
DIL
Price Code:
AK
This IC is the same type for all FW models.  To date, it has no alternative.
Pin
Name
I/O
Comment
DC Voltage
1
-Ve
I
Negative supply
-13.1V
2
-Ve
I
Negative supply
-13.1V
3
-Ve
I
Negative supply
-13.1V
4
Output
O
PWM output
0V
5
Boot Diode
I
Boost diode
-2.1V
6
Boot
I
Boost
9.9V
7
NC
X
Not  connected
0V
8
Feedback C
I
Feedback
0V
9
Frequency C
I
Freq control
-11.8V
10
Ground
X
Signal ground
0V
11
Input
I
Signal input
0V
12
Mute
I
<2.7V mute
5.0V
13
NC
X
Not connected
0V
14
+Ve
I
Positive supply
14.1V
15
V reg
I
Reference
0V
16
+Ve
I
Positive supply
14.1V
17
-Ve
I
Negative supply
-13.1V
18
-Ve
I
Negative supply
-13.1V
19
-Ve
I
Negative supply
-13.1V
20
-Ve
I
Negative supply
-13.1V
IC1003 - NVM
Type:
Xicor X25645S8
Sharp Part Number: RH-IX1603BMZZ
Package:
SMD
Price Code:
AV
In the Dolby Pro Logic version of this chassis (models ending in 4) and the76GF63H, there is another NVM
fitted.  This is IC1004 and it is used as a teletext page store.  It is not necessary to change this IC if you
suspect a data corruption causing an operational problem on the set.
Pin
Name
I/O
Comment
DC Voltage
1
NC
X
Earth
0V
2
S1
X
Earth
0V
3
S2
X
Earth
0V
4
VSS
X
Earth
0V
5
SDA
I/O
Date
4.2V
6
SCL
I
Clock
4.2V
7
WP
I
Write protect
5.0V
8
VCC
I
Supply
5.0V
DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 8 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC2401 - Megatext
**FW53H
Type:
Siemens SDA5273-2
Sharp Part Number: RH-IX1673BMZZ
Package:
DIL
Price Code:
BE
**FW54H (Pro-Logic Models) 
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.
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
DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 9 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC201 - IF
Type:
Temic TDA4472 MFL
Sharp Part Number: RH-IX1672BMZZ
Package:
DIL
Price Code:
AP
This IC is the same type for all models.  To date, it has no alternative.
Pin
Name
I/O
Comment
DC Voltage
1
SIF
I
Sound IF
3.2V
2
SIF
I
Sound IF
3.14V
3
IS
X
Not connected
3.4V
4
GND
X
Earth
0V
5
SAGC
I
Sound AGC
1.8V
6
VIF
I
Video IF
2.24V
7
VIF
I
Video  IF
2.2V
8
VAGC
I
Video  AGC
2.4V
9
GND
X
Earth
0V
10
AGC
I
Overall AGC
0.8V
11
RF AGC
I
RF AGC
3.4V
12
VOUT
O
Video output
2.1V
13
ST
X
Not connected
0V
14
L/L
X
Not connected
0V
15
BL
X
Not connected
0V
16
GND
X
Earth
0V
17
C
I
PLL control
4.25V
18
PLL
I
PLL control
2.2V
19
AFC
X
Not connected
3.47V
20
VCO
I
VCO control
3.1V
21
VCO
I
VCO control
3.3V
22
AFC
I
AFT conrol
2.1V
23
+V
I
Supply
5.1V
24
FM
O
To AFT control
2.1V
25
AM
X
Not connected
0V
26
OFS
X
Not connected
3.5V
27
SOF2
X
Not connected
0V
28
SIF2
X
Not connected
0V
DA100 (50Hz) and DA50W Chassis – Voltage Tables
Page 9 of 9
Sharp Electronics (UK) Limited - March 2003
Revision 1
IC201 - IF
Type:
Temic TDA4472 MFL
Sharp Part Number: RH-IX1672BMZZ
Package:
DIL
Price Code:
AP
This IC is the same type for all models.  To date, it has no alternative.
Pin
Name
I/O
Comment
DC Voltage
1
SIF
I
Sound IF
3.2V
2
SIF
I
Sound IF
3.14V
3
IS
X
Not connected
3.4V
4
GND
X
Earth
0V
5
SAGC
I
Sound AGC
1.8V
6
VIF
I
Video IF
2.24V
7
VIF
I
Video  IF
2.2V
8
VAGC
I
Video  AGC
2.4V
9
GND
X
Earth
0V
10
AGC
I
Overall AGC
0.8V
11
RF AGC
I
RF AGC
3.4V
12
VOUT
O
Video output
2.1V
13
ST
X
Not connected
0V
14
L/L
X
Not connected
0V
15
BL
X
Not connected
0V
16
GND
X
Earth
0V
17
C
I
PLL control
4.25V
18
PLL
I
PLL control
2.2V
19
AFC
X
Not connected
3.47V
20
VCO
I
VCO control
3.1V
21
VCO
I
VCO control
3.3V
22
AFC
I
AFT conrol
2.1V
23
+V
I
Supply
5.1V
24
FM
O
To AFT control
2.1V
25
AM
X
Not connected
0V
26
OFS
X
Not connected
3.5V
27
SOF2
X
Not connected
0V
28
SIF2
X
Not connected
0V
Page of 9
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Sharp 66FW-54H (serv.man2) Service Manual ▷ Download