Haier HL42B User manual

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
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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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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