BL50436 Datasheet PDF - SHANGHAI BELLING


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BL50436
SHANGHAI BELLING

Part Number BL50436
Description Color TV Remote Control System
Page 2 Pages

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BL50436Color TV Remote Control System
Description
50436 is a single-chip 4-bit microcomputer developed exclusively for digital tuning systems using the
voltage synthesizer method. It is produced using silicon-gate COMS process and is supplied in a 52-lead
plastic dual-in-line package. It has on screen display control circuit in addition to all the microcomputer
circuits. It is able to receive infrared remote control signal from BL50462,and further, rich controlling
functions are possessed.
Pin assignment
Pin Assignment
PDIP 16 PIN
Features
5V ± 10% single power supply; a mere consumed current of 4mA
30sets of programs available at the utmost with automatic preset function
Sequential channel-selecting with local keyboard; sequential or direct channel selecting with remote
control
A 1/214resolution of tuning voltage
On screen display function: program number, volume, brightness, contrast, sharp, treble, bass, balance,
tint, video input, residual time of timing turn off, real channel number, system, and multi-aural can be
displayed, altogether in 3 row, which may consist 16 characters in the utmost each. It has 64 characters
and 7 colors, and 4 of the colors can be used simultaneously.
AFT ON/OFF set-up on every set of program available
Manual tuning regulation
Muting
A maximum 9-analog control(with PD6326C)
Redundant channels skipping
Video input conversion control
Selective number of video input (TV/AV1/AV2/RGB, or TV/AV1/AV2, or TV/AV, or TV/only)
Real received channel setting up
Timing turn-off (30 min/60 min/90 min/120min)
Selective number of wave bands (three bands/one band) and wavebands transition
Remote controlling by signal from BL50462
Saving received program
Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233



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BL50436Color TV Remote Control System
Operating status i.e. volume, color saturation ratio, contrast, sharp, treble, bass balance, chrominance etc,
will be saved when turn-off. Previous status is entered at next start-up.
4MHz operating frequency
52-lead dual-in-line plastic package
Application
Used as Central Controlling Unit of infrared remote-control color TV.
Application Circuit
REMOTE
CONTROLLER
BU
BV
BS
BT
BRT
VOL
COL
BAND
SWITCH
LOW-PASS
FILTER
LOW-PASS
FILTER
LOW-PASS
FILTER
LOW-PASS
FILTER
INT
BAND1
BAND2
T
OSC1
OSC2
AC
BRT
VOL
MUTE
COL
ON SCREEN
H
PULSE
V
SYNC
AFT
POWER ON
AFT ON/OFF
M58655P
LOCAL KEYBOAD
AND INSTRUCTOR
4.0MHz
AC 5V -30V
STANDBY
Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233




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