Sharp 64LHP5000 Service Manual page 67

Rear projection hdtv
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Pin No.
Pin Name
47
YM input
48
VSM output
49
APL detection
50
Black peak hold
51
V/I input
52
U/Q input
53
Y2 input
54
Color limiter
55
R S/H
56
SENSE input
I/O
I
Internal RGB signal halftone SW.
Outputs the DC played back Y signal which had passed through
O
HPF.
The output is muted by the pins 32 and 36 switches.
O
Connected to the filter for correcting the DC playback rates.
Connected to the filter for controlling the black expansion gain of
I
the black expansion circuit.
I
Pin for inputting the R-Y (V)/I signal and B-Y (U)/Q signal.
I
I
Pin for inputting the Y signal.
O
Connected to the filter for detecting the color limit.
O
Same as pins 29 and 30.
I
Inputs the IK feedback signal from the CRT.
Function
67
64LHP5000
PROJECTOR UNIT
I/O Signal
Soft AKB
7.0V
Halftone
0.75V
TV
GND
DC
3.5V
DC
DC
When Burst:Chroma=1:1:
360 mVp-p
DC: 5.0V
1Vp-p (Including sync)
6.3V
GND
DC
DC
R
G
B
1.5V

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