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HL40BG

TV-8888-84
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) 40
General Display type LCD
Aspect ratio 16:9
Resolution 1366*768
Brightness 500 cm/2
Contrast 1200:1
Response time(ms) 8ms
Video Display Capabilities 480i/480P/720P/1080i
Viewing Angle H:178/V:178
Color display 16.7million
Active Matrix TFT yes
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
Video Features 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
H\V edge correction yes
Number Of Speakers 2
Speakers Type Built-in(bottom)
Audio Speaker Size 4 1/2" X 2" (2 pcs)
Watts Per Channel 10W
Audio Power Output 10W*2
Stereo Surround Sound yes
MTS Stereo yes
Sound Mode Live POP Rock Custom
Audio Features
Tone Control yes
Speakers ON/OFF N/A
Mute yes
Convenience Semi transparent Menu yes
Features Zoom yes
V-Chip yes
Close Caption (Basic,Digital,Advance) yes
Teletext N/A
Multilingual Display E/F/S
Auto Channel Programming yes

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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
Input \ Output 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
AV Output 1
Compliance Vesa N/A
Internal power Supply yes
Power Consumption (in Operation) 260W
Power Power Consumption (in Standby) 1W
Power Voltage 120V
Power Frequency 60Hz
Panel Supplier SS
Information
Chipset BCM3551

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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
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2 MSP3460
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3)AD9880
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2. Trouble Shooting Guide
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Signal Flowing Chart
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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
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: This is the current software version.
: The serial number, it is recorded for this board.
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OK: press OK to submenu
MENU: return to upper menu
EXIT: Press "EXIT" of the romote controller to exit from factory menu
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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.
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2)Aging Mode This is for factory run-in testing.
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3) Shop End is for debuging, and do not change anything commonly.
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4)Service Mode is for debugging, and do not change anything commonly.
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5) Design Mode includes 4 items, Video Setting, Audio Setting, Screen Setting, Others
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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.
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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.
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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.
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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.
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2 Others
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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 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 BGA676_35X35 Use 75 ohm matched impedance traces. HD_DVI0 B23 R195 HD_DVI1 A23 HD_DVI[0]/VI_656_0 100 0.047uF C135 B_AVID_IN_AC HD_DVI2 HD_DVI[1]/VI_656_1 D22 120OHM_100MHZ FB101 Pb_AVID_IN_AC HD_DVI3 HD_DVI[2]/VI_656_2 C22 R_AVID_IN R197 HD_DVI4 E23 HD_DVI[3]/VI_656_3 (5) R_AVID_IN_CON HD_DVI[4]/VI_656_4 (5) G_AVID_IN_CON 120OHM_100MHZ FB102 G_AVID_IN 100 C145 G_AVID_IN_AC HD_DVI5 A25 B_AVID_IN 0.047uF Y_AVID_IN_AC HD_DVI6 HD_DVI[5]/VI_656_5 (5) B_AVID_IN_CON D23 120OHM_100MHZ FB103 R200 HD_DVI7 HD_DVI[6]/VI_656_6 B24 HD_DVI[7]/VI_656_7 Digital Video Input 100 C147 R_AVID_IN_AC HD_DVI8 F22 R102 R116 R140 0.047uF Pr_AVID_IN_AC HD_DVI9 HD_DVI[8]/VI_656_8 A24 75 75 75 HD_DVI10 HD_DVI[9]/VI_656_9 C23 HD_DVI[10]/GPIO_62 Isolate the HSYNC input as much as possible 5% 5% 5% VID_HSYNC0 HD_DVI11 E22 HD_DVI[11]/GPIO_63 D from any other digital signals and minimize the VID_VSYNC0 HD_DVI_DE C25 D HD_DVI_DE trace length for the HSYNC input. HD_DVI_CLK_P A C24 VID_HSYNC0 HD_DVI_CLK_P/VI_656_CLK (5) VID_HSYNC0 D24 HD_DVI_CLK_N A VID_VSYNC0 R303 1K (5) VID_VSYNC0 R163 HD_DVI_HSYNC G22 HD_DVI_HSYNC Minimize the trace length running 0 1000pF C143 G_AVID_SOGIN HD_DVI_VSYNC F23 HD_DVI_VSYNC R199 into the graphics inputs. This is 0 1000pF C114 Y_AVID_SOGIN HD_DVI12 D17 GPIO_42/HD_DVI12 accomplished by placing the Place the 75 ohm termination HD_DVI13 HD_DVI14 F18 GPIO_44/HD_DVI13/EXT_IRQ6 E18 3586 as close as possible to the resistors as close as possible R951 0 (DNI) HD_DVI15 F17 GPIO_45/HD_DVI14 (10) GPIO0_POD_EBI_WE0b GPIO_00/HD_DVI15/EXT_IRQ4/POD_EBI_WE0 graphics VGA connector. to the 9880chip. (10) GPIO1_POD_EBI_WE1b R835 0 (DNI) HD_DVI16 HD_DVI17 E17 GPIO_01/HD_DVI16/EXT_IRQ5/POD_EBI_WE1 C17 HD_DVI18 GPIO_02/HD_DVI17/POD2TX_TX_EN  <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>