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64LHP5000
PROJECTOR UNIT
Pin No.
Pin Name
27
SEL2
28
SIG3 IN
Ë MM1031XM (SIGNAL ASSY: IC7301, IC7304, IC7500, IC7605)
VIDEO AMP
» Block Diagram
V OUT
1
6dB
VCC
2
Ë TC90A45F (SIGNAL ASSY: IC7307)
2 LINE DIGITAL Y/C SEP IC
» Pin Assignment
1
AVDD
AVSS
16
VRB
2
15
YOUT
VRT
3
14
BIAS2
ADIN
4
13
COUT
BIAS3
BIAS1
5
12
6
TEST
11
VFIL
KILLER
7
10
CKIN
DVDD
8
9
DVSS
I/O
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.
4
GND
V IN
3
» Block Diagram
Composite video
4
signal input
ADC
Clamp
1H line memory
f
SC
10
PLL
System clock
Function
SIG OUT
SIG1
SIG2
SIG3
Prohibited
3
4
1
2
BPF
Dynamic
comb filter
BPF
+
+
-
90
+
Luminance
+
DAC
15
-
signal output
Color killer
7 Color killer
BPF
DAC
Color signal
13
output
1/2
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