Read Sharp XV-C2E (serv.man4) Service Manual online
XV-C2E
34
2) Functions of Terminals
Terminal
No.
Terminal
Name
I/O
Function
1
XCLR
I
System clear terminal (L: All clear)
2
VWB
O
V window pulse B output terminal
3
V
DD
–
Power
4
V
SS
–
GND
5
TC1
I/O
FPD1 output pulse regulation terminal (NTSC/PAL 4 : 3)
6
FPD1
O
Phase comparator 1 output terminal (NTSC/PAL 4 : 3)
7
PEO1
I/O
Loop filter integrator 1 output terminal (NTSC/PAL 4 : 3)
8
PWM1
O
Loop filter integrator 1 input terminal (NTSC/PAL 4 : 3)
9
RPD1
O
Phase comparator 1 output terminal (NTSC/PAL 4 : 3)
10
CKO1
I/O
Oscillation cell 1 output terminal (NTSC/PAL 4 : 3)
11
CKI1
I
Oscillation cell 1 input terminal (NTSC/PAL 4 : 3)
12
TEST2
I
Test terminal (Use it as open terminal.)
13
HSYNC
I
Horizontal sync signal input terminal (Polarity is set by serial data HPOL.)
14
VSYNC
I
Vertical sync signal input terminal (Polarity is set by serial data VPOL.)
15
V
SS
–
GND
16
SCTR
I
Chip selection input terminal (Serial transfer section)
17
SCLK
I
Serial clock input terminal (Serial transfer section)
18
SDAT
I
Serial data input terminal (Serial transfer section)
19
PRE
I
Presetting terminal (L: It is set at NTSC 4 : 3 mode)
20
TEST11
–
Test terminal (Use it as open terminal.)
21
FLDO
O
Field identify signal output terminal
22
TEST1
–
Test terminal (Use it as open terminal.)
23
TEST3
–
Test terminal (Use it as open terminal.)
24
TEST4
–
Test terminal (Use it as open terminal.)
25
TEST5
–
Test terminal (Use it as open terminal.)
26
TEST6
–
Test terminal (Use it as open terminal.)
27
TEST7
–
Test terminal (Connect it to GND.)
28
V
DD
–
Power
29
V
SS
–
GND
30
VWA
O
V window pulse A output terminal
31
PCG1
O
PCG1 pulse output terminal (Positive polarity)
32
DWN
O
Up/Down reverse identify signal output terminal (H: Down, L: Up)
33
TEST8
–
Test terminal (Use it as open terminal.)
34
VST
O
V start pulse output terminal (Positive polarity)
35
VCK
O
V clock pulse output terminal
36
ENB
O
ENB pulse output terminal (Negative polarity)
37
HCK2A
O
H clock 2A pulse output terminal
38
HCK1A
O
H clock 1A pulse output terminal
39
HCK2B
O
H clock 2B pulse output terminal
40
V
SS
–
GND
41
HCK1B
O
H clock 1B pulse output terminal
42
HSTB
O
H start B pulse output terminal (Positive polarity)
43
HSTA
O
H start A pulse output terminal (Positive polarity)
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