Sharp 64LHP5000 Service Manual page 89

» Pin Function
Pin No. Pin Name
1 Y1 IN
2 Cb1 IN
3 Cr1 IN
4 INPUT SEL
5 Y2 IN
6 Cb2 IN
7 Cr2 IN
8 CLP
9 R IN
10 G IN
11 B IN
12 YCLP
13 CbCLP
14 CrCLP
15 NC
16 Y OUT
17 Cb OUT
18 Cr OUT
19 GND
20 YS
24 YM
22 SIG OUT
23 Vcc
24 SIG1 IN
25 SEL1
26 SIG2 IN
I/O
Pin for inputting the YCbCr signal.
I
Inputs the YCbCr specifications (0.7 Vp-p for 100% color bar) signal.
I
The pedestal level of the input signal is clamped at 4V.
I
Pin for controlling the selection SW of 2-line YCbCr input.
High:Selects the Y1, Cb1, Cr1 input, Low:Selects the Y2, Cb2, Cr2 input
I
VILMAX=1V, VIHMIN=3V
Pin for inputting the YCbCr signal.
I
Inputs the YCbCr specifications (0.7 Vp-p for 100% color bar) signal.
I
The pedestal level of the input signal is clamped at 4V.
I
Pin for inputting the clamp pulse.
High:CLP ON, Low:CLP OFF
I
VILMAX=2.5V, VIHMIN=4V
Pin for inputting the R signal.
I
Pin for inputting the G signal.
I
Pin for inputting the B signal.
I
Capacity connection pin for clamping the Y signal made from the RGB signal.
I
Capacity connection pin for clamping the Cb signal made from the RGB signal.
I
Capacity connection pin for clamping the Cr signal made from the RGB signal.
I
NC pin.
I
Output pin of Y signal. The output pedestal level is 3.8V.
O
Output pin of Cb signal. The output pedestal level is 3.8V.
O
Output pin of Cr signal. The output pedestal level is 3.8V.
O
GND pin.
—
YSSW control pin.
High:Selects the RGB input, Low:Selects the YCbCr input
I
VILMAX=1V, VIHMIN=3V
Pin for controlling YMSW.
High:Selects the -6 dB signal., Low:Selects the 0 dB signal.
I
VILMAX=1V, VIHMIN=3V
Output pin for SIG1, SIG2, and SIG3.
Outputs the 6dB signal of the input signal.
O
The APL of the signal becomes 4.4V when output.
Vcc pin.
—
Pin for inputting the composite video signal.
I
Inputs the 1Vp-p (100% white including Sync) signal via the capacity.
Control pin for the output selection SW of the 3 input composite video signals.
SEL1 SEL2
Low Low
High Low
I
Low High
High High
VILMAX=0.5V, VIHMIN=3.5V
Pin for inputting the composite video signal.
I
Inputs the 1Vp-p (100% white including Sync) signal via the capacity.
89
Function
SIG OUT
SIG1
SIG2
SIG3
Prohibited
64LHP5000
PROJECTOR UNIT