Sharp 64LHP5000 Service Manual page 66

Rear projection hdtv
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64LHP5000
PROJECTOR UNIT
Pin No.
Pin Name
29
B S/H
30
G S/H
31
VP output
32
YS2
33
Analog B input
34
Analog G input
35
Analog R input
36
YS1
37
Analog OSD B input
38
Analog OSD G input
39
Analog OSD R input
40
VCC2 (9V)
41
B output
42
G output
43
R output
44
TEXT GND
45
ABCL input
46
VCC3 (9V)
I/O
O
S/H (sample hold) pin for AKB mode or clamp mode.
O
S/H (sample hold) pin for AKB mode or clamp mode.
O
Vertical pulse output.
Switch for switching the internal RGB signal and analog RGB
I
(pins 33, 34, 35).
The VM output is muted when YS2 SW is ON.
I
I
Analog RGB input pins.
I
Switch for switching between the internal RGB signal and OSD/
I
analog RGB (pins 37, 38, 39).
The VSM output is muted when YS1 SW is ON.
I
I
OSD signal or analog RGB input pins.
I
Text block VCC pin.
O
O
RGB output.
O
TEXT block GND pin.
I
External unicolor, brightness, dynamic ABL control pin.
VCC pin of the picture quality and color difference block.
Function
66
I/O Signal
DC
DC
5V
0V
A. BGB
0.75V
TV
GND
100IRE : 0.5Vp-p
3.5V
GND
A. BGB
2.25V
VSM Mute
0.75V
TV
GND
100IRE : 0.5Vp-p
2.5V
GND
At Cont Max.
BRT Cent.
ABCL OFF: Higher than 6V

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