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HP42BB




TV-8888-101
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-------------------------------13
6. Bus Control Adjustment-------------------------14

7. Circuit Diagram ------------------------------------28

8. Connection Sketch Interpretat----------------51




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1. Features
Factory model(reference only) P42A8A
HAC model HP42BB
Options Functions
Screen size (inches) 42
General Display type Plasma
Aspect ratio 16:9
Resolution 1024*768
Brightness 1200CD/M2
Contrast 10000:1
Response time(ms) /
Video Display Capabilities 480i/480P/720P/1080i
Viewing Angle H:178/V:178
Color display 16.7M
Active Matrix TFT /
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 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


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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 1
S-Video Input 1
RF Input 1
Input \ Output PC Video Input 1
USB Port N/A
Analog Audio Input A/V 2 for component, 1 for composite and S-Video
PC Audio Input 1 (VGA & HDMI-to-DVI)
Audio Out (Fixed/Variable) 1(optical)
Headphone jack 1
AV Output 1
Compliance Vesa TBD
Internal power Supply yes
Power Consumption (in Operation) 400W
Power Power Consumption (in Standby) 1W
Power Voltage 120V
Power Frequency 60Hz
Panel Supplier LG
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 <br> 3.3v Size Document Number Rev<br> POWER C <Doc> <RevCode><br><br> Date: Tuesday, November 07, 2006 Sheet 1 of 18<br> 5 4 3 2 1<br> -<br><br><br><br><br>b. Printed Circuit IC Board<br>1) head-on board<br> -<br><br><br><br><br>2) rear board<br> -<br><br><br><br><br> 4. Key IC Description& Trouble Shooting Guide<br>1. Key IC Description<br>1 BCM3551<br> -<br><br><br><br><br>2 MSP3460<br> -<br><br><br><br><br>3)AD9880<br> -<br><br><br><br><br>2. Trouble Shooting Guide<br> 5. Signal Flowing Chart 5 4 3 2 1<br><br><br><br><br> BCM3560B0 Digital High Definition, LCD_TV<br> DDR-SDRAM DDR-SDRAM MAIN<br> Ethernet 16Mx16 16Mx16<br> BCM4401<br> DTE Device<br>D Headphone D<br> Amp<br> RC4580ID 32-bit DDR-SDRAM<br> Flash EBI/PCI<br> 8Mx16<br><br><br><br> D-AMP RF Cable/ Antenna<br><br> TPA3004D2<br> DTT7608 VSB / QAM / NTSC-BTSC<br> ATSC/NTSC Tuner IF Demodulators<br><br> CVBS OUT<br> SD_L<br> S-Video 1: Luma-Chroma<br> CVBS1/Luma1<br> SD_C BCM3560B0<br> Video1, CVBS ES_CVBS0<br> Stereo Audio Audio<br> ES_CVBS1<br> L-R SD_CVBS<br><br><br> Video 2: CVBS<br><br>C Audio C<br> Composite,<br> L, R<br> Stereo Audio<br><br> Audio<br> Processor<br> PC Audio MSP3460G<br> L-R<br><br> USB<br> CD4052 I2S Out<br><br> EJTAG<br> Audio L-R Vision Probe<br> Y<br> TV on a Chip Test BSC Broadband<br> Pb<br> Studio<br> HD Component1, Pr BSC<br> Stereo Audio Masters<br> Audio (control)<br> L-R<br><br><br> Y Y<br> HD Component2, Pb<br> Stereo Audio Pb<br> Pr<br><br> Pr<br> Audio<br> L-R<br> Flat Panel Display<br>B B<br><br><br><br> LVDS Tx LVDS<br> Main Out: SPDIF Out HD_DVO<br> Digital Audio DS90C385MTD<br> RGB<br> HDMI1 HDMI In<br><br><br><br> HDMI2 ADC+HDMI_Rx I2S In<br> AD9880<br> Digital-in<br><br> VGA<br> UART<br> ATMEGA48V<br> Front Panel MCU<br> Keypad, LED,IR<br><br><br><br><br> 5V-cpu<br>A A<br><br> 12V<br><br> 1.2v<br> SMPS POWER<br> NCP5422 LDO<br> POWER 12V 2.6v<br><br> 5v Title<br> LDO <Title><br> 3.3v Size Document Number Rev<br> POWER C <Doc> <RevCode><br><br> Date: Tuesday, November 07, 2006 Sheet 1 of 18<br> 5 4 3 2 1<br> -<br><br><br><br><br> 6. Bus Control Adjustment<br>1 Factory Mode<br>Using the romote controller to enter into Factory Menu.<br> Press Menu to call main menu displaying on the screen. And then press "8"," 8","9","3","OK" in turn.You will see the<br>screen displaying as following.You can check the version of the software,adjust some settings.But we don't advise you<br>change this settings.because of the TV has already hold in the state of optimality.If you have to chang this settings,please<br>connect with the local service center.<br><br> 1. Factory menu<br> -<br><br><br><br><br>: This is the current software version.<br> : The serial number, it is recorded for this board.<br> -<br><br><br><br><br>OK: press OK to submenu<br>MENU: return to upper menu<br>EXIT: Press "EXIT" of the romote controller to exit from factory menu<br> -<br><br><br><br><br> 4. Operate in Factory Menu<br> There are 5 items in the root Product Mode, Aging Mode, Shop End, Service Mode, Design Mode.<br> 1) Product Mode includes 3 items, White Balance Setting, Back Light Set to Factory Default Value.Do not change the<br>value commonly.<br> -<br><br><br><br><br>2)Aging Mode This is for factory run-in testing.<br> -<br><br><br><br><br>3) Shop End is for debuging, and do not change anything commonly.<br> -<br><br><br><br><br>4)Service Mode is for debugging, and do not change anything commonly.<br> -<br><br><br><br><br>5) Design Mode includes 4 items, Video Setting, Audio Setting, Screen Setting, Others<br> -<br><br><br><br><br> a. Video Setting includes 4 items, Threshold, Picture Mode, ADC Auto Adjust, Gray Step.<br> Threshold allows you to change the adjustable range of brightness, contrast, chroma, hue and sharpness. Picture Mode<br>allows you to change the state of picture mode, such as Vivid mode, Standard mode and Mild mode. ADC Auto Adjust and<br>Gray Step are for debugging, and do not change anything.<br> -<br><br><br><br><br> b. Audio Setting includes 4 items, Sound Effect, Sound Mode, Sound Curve, Headphone Sound curve. All these items<br>are for debugging,and do not change anything commonly.<br> -<br><br><br><br><br> c. Screen Setting allows you to change V-SIZE, V-POSITION, H-SIZE, H-POSITION of the screen displaying.<br>Normally you need not to change anything.<br> -<br><br><br><br><br> d. Others including 2 items, Audio Output and Set E2prom to default. Audio Output allows you to change the volume<br>of Audio Output. Set E2prom to default will Clear all changing you have made to the TV set's software setting, such as<br>Channel list you have tuned, volume, brightness, and etc. and initialize TV set's software to the state like a new TV set<br>buyed right now.<br><br><br><br><br>Remark:<br>The date of the chart only is a example,please don't adjust the factory mode base on it.<br> -<br><br><br><br><br>2 Others<br>-<br>-<br> -<br><br><br><br><br>7. Circuit Diagram<br> 5 4 3 2 1<br><br><br><br><br> BCM3560B0 Digital High Definition, LCD_TV<br> DDR-SDRAM DDR-SDRAM MAIN<br> Ethernet 16Mx16 16Mx16<br> BCM4401<br> DTE Device<br>D Headphone D<br> Amp<br> RC4580ID 32-bit DDR-SDRAM<br> Flash EBI/PCI<br> 8Mx16<br><br><br><br> D-AMP RF Cable/ Antenna<br><br> TPA3004D2<br> DTT7608 VSB / QAM / NTSC-BTSC<br> ATSC/NTSC Tuner IF Demodulators<br><br> CVBS OUT<br> SD_L<br> S-Video 1: Luma-Chroma<br> CVBS1/Luma1<br> SD_C BCM3560B0<br> Video1, CVBS ES_CVBS0<br> Stereo Audio Audio<br> ES_CVBS1<br> L-R<br> SD_CVBS<br><br><br> Video 2: CVBS<br><br>C<br> Composite, Audio C<br> L, R<br> Stereo Audio<br><br> Audio<br> Processor<br> PC Audio<br> MSP3460G<br> L-R<br><br><br> USB<br> CD4052 I2S Out<br><br> EJTAG<br> Audio L-R Vision Probe<br> Y<br><br> Pb TV on a Chip Test BSC Broadband<br> Studio<br> HD Component1, Pr BSC<br> Stereo Audio Masters<br> Audio (control)<br> L-R<br><br><br> Y Y<br> HD Component2, Pb<br> Stereo Audio Pb<br> Pr<br><br> Pr<br> Audio<br> L-R<br> Flat Panel Display<br>B B<br><br><br><br> LVDS Tx LVDS<br> Main Out: SPDIF Out HD_DVO<br> Digital Audio DS90C385MTD<br> RGB<br> HDMI1 HDMI In<br><br><br><br> HDMI2 ADC+HDMI_Rx I2S In<br> AD9880<br> Digital-in<br><br> VGA<br> UART<br> ATMEGA48V<br> Front Panel MCU<br> Keypad, LED,IR<br><br><br><br><br> 5V-cpu<br>A A<br><br> 12V<br><br> 1.2v<br> SMPS POWER<br> NCP5422 LDO<br> POWER 12V 2.6v<br><br> 5v Title<br> LDO <Title><br> 3.3v<br> POWER Size<br> C<br> Document Number<br> <Doc><br> Rev<br> <RevCode><br><br> Date: Tuesday, November 07, 2006 Sheet 1 of 18<br> 5 4 3 2 1<br> 5 4 3 2 1<br><br> U22F<br> BCM3551KPB5G<br> BGA676_35X35<br> Use 75 ohm matched impedance traces. HD_DVI0 B23<br> R195 HD_DVI1 A23 HD_DVI[0]/VI_656_0<br> 100 0.047uF C135 B_AVID_IN_AC HD_DVI2 HD_DVI[1]/VI_656_1<br> D22<br> 120OHM_100MHZ FB101 Pb_AVID_IN_AC HD_DVI3 HD_DVI[2]/VI_656_2<br> C22<br> R_AVID_IN R197 HD_DVI4 E23 HD_DVI[3]/VI_656_3<br> (5) R_AVID_IN_CON HD_DVI[4]/VI_656_4<br> (5) G_AVID_IN_CON 120OHM_100MHZ FB102 G_AVID_IN 100 C145 G_AVID_IN_AC HD_DVI5 A25<br> B_AVID_IN 0.047uF Y_AVID_IN_AC HD_DVI6 HD_DVI[5]/VI_656_5<br> (5) B_AVID_IN_CON D23<br> 120OHM_100MHZ FB103 R200 HD_DVI7 HD_DVI[6]/VI_656_6<br> B24<br> HD_DVI[7]/VI_656_7<br><br><br><br><br> Digital Video Input<br> 100 C147 R_AVID_IN_AC HD_DVI8 <br/><br/><br/> <!-- Ezoic - Search Break Responsive - top_of_page --> <div id="ezoic-pub-ad-placeholder-110"> <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <!-- Preview Manual Leaderboard Responsive --> <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> <!-- End Ezoic - Search Break Responsive - top_of_page --> <!-- Global site tag (gtag.js) - Google Analytics --> <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>