Haier HL42B User manual

Table of contents

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HL42B

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1. Features-------------------------------------------------3

2. Safety Precautions----------------------------------5

3. Images of Module and Circuit Boards--------7

4. Key IC Description& Trouble Shooting Guide

-----------------------10

5.Signal Flowing Chart-------------------------------14

6. Bus Control Adjustment-------------------------15

7. Circuit Diagram ------------------------------------30

8. Connection Sketch Interpretat----------------49

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Features

Options Functions

Screen size (inches) 42

Display type LCD

General Aspect ratio 16:9

Resolution 1366*768

Brightness 500 cm/2

Contrast 800:1

Response time(ms) 8ms

Display Capabilities 480i/480P/720P/1080i

Viewing Angle H:178/V:178

Color display 16.7million

Active Matrix TFT yes

Video

PC mode (VGA, SVGA, XVGA) WXGA\SXGA\XGA\SVGA\VGA

Tuner Integrated NTSC&ATSC

HD-ready yes

Video Signal System NTSC/ATSC(8VSB,Clear QAM)

Color Temperature Standard,Cool,Warm

Progressive Scan yes

Digital Comb Filter 3D

Video Noise Reduction yes

Picture Modes standard,vivid,mild,custom

# of preset channels 181

Screen Mode (4:3) yes

Wide Mode (16:9) yes

Wide Mode (PC) yes

Auto adjustment (PC) yes

Phase (PC) Only yes

Video Features

H\V edge correction yes

Number Of Speakers 2

Speakers Type Built-in(bottom)

Speaker Size 4 1/2" X 2" (2 pcs)

Watts Per Channel 10W

Audio

Audio Power Output 10W*2

Stereo Surround Sound yes

MTS Stereo yes

Sound Mode Live、POP、Rock、Custom

Tone Control yes

Speakers ON/OFF N/A

Audio Features

Mute yes

Semi transparent Menu yes

Zoom yes

V-Chip yes

Close Caption

(Basic,Digital,Advance) yes

Teletext N/A

Convenience

Features

Multilingual Display E/F/S

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Auto Channel Programming yes

Channel Caption yes

Channel Label yes

Channel Skip/Add yes

Favorite Channel yes

Program Guide Access(TV guide) N/A

Clock yes

Programmable Timer yes

Sleep Timer yes

Alarm (Auto timer on/off) yes

Picture-In-Picture N/A

Freeze Picture yes

Remote Control HTR-282C (Universal)

ATSC/NTSC Tuner 1

HDMI Input 2

Component Video Input 2

Composite Video Input 2

S-Video Input 1

RF Input 1

PC Input 1

USB Port /

Analog Audio Input 2 for component, 2 for composite and S-video

PC Audio Input 1 (VGA and HDMI-to-DVI)

Audio Out (Fixed/Variable) 1(optical)

Headphone jack 1

Input \ Output

AV Output 1

Compliance Vesa N/A

Internal power Supply yes

Power Consumption (in Operation) 240W

Power Consumption (in Standby) ≤1W

Power Voltage 120V

Power

Power Frequency 60Hz

Warranty Warranty terms 1 year*

Panel Supplier LG

Information Chipset BCM3551

Safety Precautions

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-

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Images of Module and Circuit Boards

a: Signal flow-chart

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b. Printed Circuit IC Board

1) head-on board

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2) rear board

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Key IC Description& Trouble Shooting Guide

1. Key IC Description

1）BCM3551