TA1276AN Просмотр технического описания (PDF) - Toshiba

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TA1276AN

PAL / NTSC VIDEO CHROMA AND DEFLECTION IC FOR CTV (NORMAL SCAN / DOUBLE SCAN MODE)

Toshiba 

PIN

No.

PIN NAME

46 VCC3 (9V)

FUNCTION

The VCC pin of picture quality and

color difference blocks.

Connect 9V (Typ.).

47 YM input

The half-tone switch for internal

RGB signal.

When the voltage at this pin is set to

7.0V or more, the RGB output

voltage.

INTERFACE CIRCUIT

―

TA1276AN

INPUT /

OUTPUT

SIGNAL

―

48 VSM output

Outputs the Y-signal that routed

HPF after it had been subjected to

DC restoration.

The output is muted with the

switches of pins 32 and 36.

DC

3.5V

Connect the filter correcting DC

restoration ratio.

49 APL detection Opening this pin can monitor the

DC

Y-signal that was subjected to black

stretching.

Connect the filter controlling the

50

Black peak

hold

black stretching gain of the black

stretching circuit.

The black stretching gain varies

DC

depending on the voltage at this pin.

11

2002-03-29

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