XV-C2E (serv.man4). Service manual part three - Sharp Projector Service Manual (repair manual). Page 11

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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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