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HL42E

TV-8888-110
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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1. Features
Factory model(reference only) L42A18
HAC model HL42E
Options Functions
Screen size (inches) 42
General Display type LCD
Aspect ratio 16:9
Resolution 1920*1080
Brightness 550 cm/2
Contrast(DCR) 1600:1
Response time(ms) 8ms
Video Display Capabilities 480i/480P/720P/1080i/1080P
Viewing Angle H:176/V:176
Color display 16.7million
Active Matrix TFT yes
PC mode (VGA, SVGA, XVGA) 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
Video
Picture Modes standard,vivid,mild,custom
Features
# 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
H\V edge correction yes
Number Of Speakers 2
Speakers Type Built-in(bottom)
Audio Speaker Size 2 3/4" (4 pcs)
Watts Per Channel 10W
Audio Power Output 10W*2
Stereo Surround Sound yes
MTS Stereo yes
Audio Sound Mode Live POP Rock Custom
Features Tone Control yes
Speakers ON/OFF N/A
Mute yes

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Semi transparent Menu yes
Zoom yes
V-Chip yes
Close Caption (Basic,Digital,Advance) yes
Teletext N/A
Multilingual Display E/F/S
Auto Channel Programming yes
Channel Caption yes
Channel Label yes
Convenience
Channel Skip/Add yes
Features
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-282D (Universal)
ATSC/NTSC Tuner 1
HDMI Input 2
Component Video Input 2
Composite Video Input 2
S-Video Input 1
RF Input 1
Input \ Output PC Input 1
USB Port 2
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
AV Output 1
Compliance Vesa yes
Internal power Supply yes
Power Consumption (in Operation) 200W
Power Power Consumption (in Standby) 1W
Power Voltage 120V
Power Frequency 60Hz
Panel Supplier AU
Information
Chipset BCM3551

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2. Safety Precautions
-

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3. Images of Module and Circuit Boards 5 4 3
a: Signal flow-chart 2 1

BCM3560B0 Digital High Definition, LCD_TV
DDR-SDRAM DDR-SDRAM MAIN
Ethernet 16Mx16 16Mx16
BCM4401
DTE Device
D Headphone D
Amp
RC4580ID 32-bit DDR-SDRAM
Flash EBI/PCI
8Mx16

D-AMP RF Cable/ Antenna

TPA3004D2
DTT7608 VSB / QAM / NTSC-BTSC
ATSC/NTSC Tuner IF Demodulators

CVBS OUT
SD_L
S-Video 1: Luma-Chroma
CVBS1/Luma1
SD_C BCM3560B0
Video1, CVBS ES_CVBS0
Stereo Audio Audio
ES_CVBS1
L-R SD_CVBS

Video 2: CVBS

C Audio C
Composite,
L, R
Stereo Audio

Audio
Processor
PC Audio MSP3460G
L-R

USB
CD4052 I2S Out

EJTAG
Audio L-R Vision Probe
Y
TV on a Chip Test BSC Broadband
Pb
Studio
HD Component1, Pr BSC
Stereo Audio Masters
Audio (control)
L-R

Y Y
HD Component2, Pb
Stereo Audio Pb
Pr

Pr
Audio
L-R
Flat Panel Display
B B

LVDS Tx LVDS
Main Out: SPDIF Out HD_DVO
Digital Audio DS90C385MTD
RGB
HDMI1 HDMI In

HDMI2 ADC+HDMI_Rx I2S In
AD9880
Digital-in

VGA
UART
ATMEGA48V
Front Panel MCU
Keypad, LED,IR

5V-cpu
A A

12V

1.2v
SMPS POWER
NCP5422 LDO
POWER 12V 2.6v

5v Title
LDO 3.3v Size Document Number Rev POWER C <Doc> <RevCode> Date: Tuesday, November 07, 2006 Sheet 1 of 18 5 4 3 2 1 - b. Printed Circuit IC Board 1) head-on board - 2) rear board - 4. Key IC Description& Trouble Shooting Guide 1. Key IC Description 1 BCM3551 - 2 MSP3460 - 3)AD9880 - 2. Trouble Shooting Guide 5. Signal Flowing Chart 5 4 3 2 1 BCM3560B0 Digital High Definition, LCD_TV DDR-SDRAM DDR-SDRAM MAIN Ethernet 16Mx16 16Mx16 BCM4401 DTE Device D Headphone D Amp RC4580ID 32-bit DDR-SDRAM Flash EBI/PCI 8Mx16 D-AMP RF Cable/ Antenna TPA3004D2 DTT7608 VSB / QAM / NTSC-BTSC ATSC/NTSC Tuner IF Demodulators CVBS OUT SD_L S-Video 1: Luma-Chroma CVBS1/Luma1 SD_C BCM3560B0 Video1, CVBS ES_CVBS0 Stereo Audio Audio ES_CVBS1 L-R SD_CVBS Video 2: CVBS C Audio C Composite, L, R Stereo Audio Audio Processor PC Audio MSP3460G L-R USB CD4052 I2S Out EJTAG Audio L-R Vision Probe Y TV on a Chip Test BSC Broadband Pb Studio HD Component1, Pr BSC Stereo Audio Masters Audio (control) L-R Y Y HD Component2, Pb Stereo Audio Pb Pr Pr Audio L-R Flat Panel Display B B LVDS Tx LVDS Main Out: SPDIF Out HD_DVO Digital Audio DS90C385MTD RGB HDMI1 HDMI In HDMI2 ADC+HDMI_Rx I2S In AD9880 Digital-in VGA UART ATMEGA48V Front Panel MCU Keypad, LED,IR 5V-cpu A A 12V 1.2v SMPS POWER NCP5422 LDO POWER 12V 2.6v 5v Title LDO <Title> 3.3v Size Document Number Rev POWER C <Doc> <RevCode> Date: Tuesday, November 07, 2006 Sheet 1 of 18 5 4 3 2 1 - 6. Bus Control Adjustment 1 Factory Mode Using the romote controller to enter into Factory Menu. Press Menu to call main menu displaying on the screen. And then press "9"," 4","4","3","OK" in turn.You will see the screen displaying as following.You can check the version of the software,adjust some settings.But we don't advise you change this settings.because of the TV has already hold in the state of optimality.If you have to chang this settings,please connect with the local service center. 1. Factory menu - : This is the current software version. : The serial number, it is recorded for this board. - OK: press OK to submenu MENU: return to upper menu EXIT: Press "EXIT" of the romote controller to exit from factory menu - 4. Operate in Factory Menu There are 5 items in the root Product Mode, Aging Mode, Shop End, Service Mode, Design Mode. 1) Product Mode includes 3 items, White Balance Setting, Back Light Set to Factory Default Value.Do not change the value commonly. - 2)Aging Mode This is for factory run-in testing. - 3) Shop End is for debuging, and do not change anything commonly. - 4)Service Mode is for debugging, and do not change anything commonly. - 5) Design Mode includes 4 items, Video Setting, Audio Setting, Screen Setting, Others - a. Video Setting includes 4 items, Threshold, Picture Mode, ADC Auto Adjust, Gray Step. Threshold allows you to change the adjustable range of brightness, contrast, chroma, hue and sharpness. Picture Mode allows you to change the state of picture mode, such as Vivid mode, Standard mode and Mild mode. ADC Auto Adjust and Gray Step are for debugging, and do not change anything. - b. Audio Setting includes 4 items, Sound Effect, Sound Mode, Sound Curve, Headphone Sound curve. All these items are for debugging,and do not change anything commonly. - c. Screen Setting allows you to change V-SIZE, V-POSITION, H-SIZE, H-POSITION of the screen displaying. Normally you need not to change anything. - d. Others including 2 items, Audio Output and Set E2prom to default. Audio Output allows you to change the volume of Audio Output. Set E2prom to default will Clear all changing you have made to the TV set's software setting, such as Channel list you have tuned, volume, brightness, and etc. and initialize TV set's software to the state like a new TV set buyed right now. Remark: The date of the chart only is a example,please don't adjust the factory mode base on it. - 2 Others Connection Options Left side connetions Antenna Input Connect cable or antenna signals to the TV, either ANT IN directly or through your cable box. HDMI2 HDMI2 connect a signal to HDMI/DVI. PC VIDEO Input Connect the monitor PC output connector from a PC to the jack 1 Y 2 DVD/DTV Input COMPONENT Pb (Component ) Connect a component Pr video device to these jacks. R L S-Video Input S-VIDEO Connect S-Video out from an S-VIDEO device to the S-VIDEO input. VIDEO1 L VIDEO Input Connects the video signal from a video R device. HDMI1 HDMI1 connect a signal to HDMI/DVI. Earphone jack: Earphone audio DVI/PC Audio Input output terminal. AUDIO IN PC/DVI Connect the audio out from the external device, used Power Cord Socket while using a DVI to HDMI This TV operates on AC OPTICAL connector. power. The voltage is indicated on the Specifications page. Never attempt to operate the TV on DC power Power Cord Socket This TV operates on AC AC IN power. The voltage is indicated on the Specifications page. Never attempt to operate the TV on DC power Introduction Remote Controller - The remote controller cannot be operated unless the batteries are properly loaded. - When using the remote control, aim it at the remote control sensor on the TV. Function introduction TV USB Press the SELECT button repeatedly to select one of the system modes in which the remote control can be used. When the desired device is selected, the corresponding POWER LED lights on 5seconds. Turns your TV or any other programmed equipment on or off, depending on mode. FAVORITE Open the favorite channel list. AUDIO.LIST CH.LIST Open the audio channellist. TV M OD E MO D E Open the channel list. ZOOM( only SUB System) C H LI S T F AV . LI S T A U D I O LI S T To enlarge or lessen the picture USB HOTKEY ( only SUB System) HOTKEY Press to enter USB signal TV ZOOM . Call up the menu / Rewind / Fast / backward /Forward TV Play Press to enter TV signal RETURN II Pause RETURN S.MODE P.MODE Selects the sound appropriate for the program's Selects the picture appropriate character. for the program`s character. E FREEZE TI M E TI M Freezes the currently-viewed picture, but audio continues. CC(closed caption) Press FREEZE button again to resume the normal picture. Select a closed caption: CC MUTE, CC ON, CC OFF. INPUT show the input source mode. TIME Shows time. INFO When you watch the TV, press the key, the information displays on bottom of the screen. MENU Brings up the main menu to the screen. THUMBSTICK EXIT (Up/Down/Left/Right/OK) Allows you to navigate the on-screen menus and adjust Clears all on-screen displays and the system settings to your preference. returns toTV viewing from any menu. SLEEP button Displays the Sleep Timer option. MUTE Switches the sound on or off LIGHT Press the light button, white LED will be ON, release ARC this key, white LED will be OFF. (Aspect Ratio Control) Changes the aspect ratio. SAP Selects MTS sound: Mono, Stereo, and SAP in Analog mode. Change the audio language in DTV mode. VOLUME UP/DOWN Increases/decreases the sound level. CHANNEL UP/DOWN Selects available channels Numeric buttons press to change the channel. - button Q.VIEW Press to select additional channels (digital and analog) Switch the current channel to the last channel being broadcast by the same station. you have viewed. For example, to select channel "54-3", press "54", then press "-" and "3". Note: For DVD function see page 35. 8 TV LCD-TFT - 7. Circuit Diagram 5 4 3 2 1 BCM3560B0 Digital High Definition, LCD_TV DDR-SDRAM DDR-SDRAM MAIN Ethernet 16Mx16 16Mx16 BCM4401 DTE Device D Headphone D Amp RC4580ID 32-bit DDR-SDRAM Flash EBI/PCI 8Mx16 D-AMP RF Cable/ Antenna TPA3004D2 DTT7608 VSB / QAM / NTSC-BTSC ATSC/NTSC Tuner IF Demodulators CVBS OUT SD_L S-Video 1: Luma-Chroma CVBS1/Luma1 SD_C BCM3560B0 Video1, CVBS ES_CVBS0 Stereo Audio Audio ES_CVBS1 L-R SD_CVBS Video 2: CVBS C Composite, Audio C L, R Stereo Audio Audio Processor PC Audio MSP3460G L-R USB CD4052 I2S Out EJTAG Audio L-R Vision Probe Y Pb TV on a Chip Test BSC Broadband Studio HD Component1, Pr BSC Stereo Audio Masters Audio (control) L-R Y Y HD Component2, Pb Stereo Audio Pb Pr Pr Audio L-R Flat Panel Display B B LVDS Tx LVDS Main Out: SPDIF Out HD_DVO Digital Audio DS90C385MTD RGB HDMI1 HDMI In HDMI2 ADC+HDMI_Rx I2S In AD9880 Digital-in VGA UART ATMEGA48V Front Panel MCU Keypad, LED,IR 5V-cpu A A 12V 1.2v SMPS POWER NCP5422 LDO POWER 12V 2.6v 5v Title LDO <Title> 3.3v POWER Size C Document Number <Doc> Rev <RevCode> Date: Tuesday, November 07, 2006 Sheet 1 of 18 5 4 3 2 1 5 4 3 2 1 U22F BCM3551KPB5G  <div id="ezoic-pub-ad-placeholder-110"> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-2156279550025329" data-ad-slot="6566435862" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div>   <script async src="https://www.googletagmanager.com/gtag/js?id=UA-2001630-7"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-2001630-7'); </script> </body> </html>