Sharp 64LHP5000 Service Manual page 91

» Pin Function
Pin No. Pin Name
1 AVSS
2 VRB
3 VRT
4 ADIN
5 BIAS1
6 TEST
7 KILLER
8 DVDD
9 DVSS
10 CKIN
11 VFIL
12 BIAS3
13 COUT
14 BIAS2
15 YOUT
16 AVDD
Ë MB40C568HPFV (SIGNAL ASSY: IC7503)
A/D CONVERTER
» Pin Assignment
AV
1
DD
AV
2
DD
AV 3
SS
(LSB)D
4
8
D
5
7
D
6 6
D
5 7
D
8
4
D
3 9
D
2 10
(MSB)D
11
1
DV
12
SS
I/O
Analog GND
–
Reference pin for ADC.
–
Reference pin for ADC.
–
Composite video signal input pin.
I
Bias pin for ADC.
–
TEST pin. Connected to the digital GND.
–
Killer circuit setting pin.
When set to H level, it will output signals without Y/C separation.
I
Use this pin when inputting B/W signals.
H: B/W mode (Y/C separation OFF), L: Normal Y/C separation mode
Digital power supply (+5V)
–
Digital GND
–
Clock input.
I
Connected to the VCO filter.
–
DAC bias pin.
–
C signal output
O
DAC bias pin.
–
Y signal output
O
Analog power supply (+5V)
–
24 AV
SS
23
V
RB
22 V
REFB
21
V
INA
20
V
REFT
19 V
RT
18 AV
DD
17 AV
SS
16 AV
DD
15 AV
SS
14 CLK
13 DV
DD
91
Function
64LHP5000
PROJECTOR UNIT