LA76931 Просмотр технического описания (PDF) - Unspecified

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LA76931

64Pin LA76931 for Color Television Receiver / SERVICE MANUAL

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2

LA 76931 Series Fundamental Circuit Diagram Block

INFRARED SENSOR FRONT CONSOLE

ANTENNA

SPEAKER

TUNER A101

REMOTE-CONTROL IN

SAWF Z101

SOUND AMPLIFIER

N601 LA 4225

AV(YCbCr,S-Video) input TERMINAL

XS801

CPU N101 LA 76931

AUDIO IN

IF IN

AV(YCbCr,S-Video) IN

+5V

+15V

OSD R/G/B IN

N101 LA 76931

IF , VIDEO PROCESSING

PAL/NTSC DEMODULATOR

H/V DRIVER SIGNALGENERATOR

AUDIO PROCESSING

I C 2BUS CONTROL

COMPOSE VIDEO TO R/G/B

R,G,B input

CRT , DRIVING CIRCUIT

AND DEFLECTION YOKE

+12V

+5V

VERTICAL

DRIVE PULSE

POWER SUPPLY CIRCUIT

V-OUT

+180V

110V

+24V

V- BLANK PULSE

VERTICAL DEFLECTION

CIRCUIT

N451 La78040

H- BLANK PULSE

HORIZONTAL

DRIVE PULSE

HORIZONTAL DEFLECTION

AND HIGH VOLTAGE

GENERATION CIRCUIT

T471 FBT

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