Haier 8888 91 schematic

TV-8888-91

HP50B

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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Features

1.

Factory model(reference only) HAC model HP50B

Options Functions

Screen size (inches) 50

General

Video

Video Features

Audio

Audio Features

Display type Aspect ratio 16:9 Resolution 1366*768 Brightness 1500CD/M2 Contrast 15000:1 Response time(ms) Display Capabilities 480i/480P/720P/1080i Viewing Angle Color display Active Matrix TFT PC mode (VGA, SVGA, XVGA) Tuner HD-ready Video Signal System Color Temperature Progressive Scan Digital Comb Filter Video Noise Reduction Picture Modes # of preset channels Screen Mode (4:3) Wide Mode (16:9) Wide Mode (PC) Auto adjustment (PC) Phase (PC) Only H\V edge correction Number Of Speakers Speakers Type Speaker Size Watts Per Channel Audio Power Output Stereo Surround Sound MTS Stereo Sound Mode Tone Control Speakers ON/OFF Mute

H:178/V:178

SXGA\XGA\SVGA\VGA

Integrated NTSC/ATSC

NTSC/ATSC(8VSB,Clear QAM)

Standard,Cool,Warm

standard,vivid,mild,custom

Separate (bottom)

2 3/4"(4 pcs)

Live、POP、Rock、Custom

P50A11

Plasma

/

16.7M /

yes

3D

yes

181 yes yes yes yes yes yes

2

10W

10W*2

yes yes

yes N/A yes

-

Convenience

Features

Input \ Output

Compliance

Power

Information

Semi transparent Menu Zoom V-Chip Close Caption (Basic,Digital,Advance) Teletext Multilingual Display Auto Channel Programming Channel Caption Channel Label Channel Skip/Add Favorite Channel Program Guide Access(TV guide) Clock Programmable Timer Sleep Timer Alarm (Auto timer on/off) Picture-In-Picture Freeze Picture Remote Control ATSC/NTSC Tuner HDMI Input Component Video Input Composite Video Input S-Video Input RF Input PC Video Input USB Port Analog Audio Input （A/V） PC Audio Input Audio Out (Fixed/Variable) Headphone jack AV Output Vesa Internal power Supply Power Consumption (in Operation) Power Consumption (in Standby) Power Voltage Power Frequency Panel Supplier Chipset

yes yes yes yes N/A

E/F/S

yes yes yes yes yes N/A yes yes yes yes N/A yes

HTR-282C (Universal)

1 2 2 1 1 1 1

N/A

2 for component, 1 for composite and S-Video

1 (VGA & HDMI-to-DVI)

1(optical)

1 1

N/A(665*300)

yes 450W ≤3W

120V 60Hz

LG

BCM3551

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Safety Precautions

2.

-

Images of Module and Circuit Boards

3.

5

4

BCM3560B0 Digital High Definition, LCD_TV

a: Signal flow-chart

3

2

1

DDR-SDRAM

Ethern et

D D

Headphone Amp RC4580ID

DTEDevice

D-AMP

TPA3004D2

PC Audio

L-R

Luma-Chroma

CVBS

Audio L-R

CVBS

Audio L, R

Audio Processor MSP3460G

S-Video1: Video1,

Stereo Audio

Video 2:

C C

Composite, Stereo Audio

CD4052

Y

Pb

HD Component1, Stereo Audio

HD Component2, Stereo Audio

B B

Main Out: Digital Audio

Pr

Audio L-R

Y

Pb

Pr

Audio L-R

HDMI1

BCM4401

Flash 8Mx16

RF Cable/ Antenna

DTT7608

ATSC/NTSCTuner

CVBS1/Luma1

EBI/PCI

SD_L

SD_C

ES_CVBS0

ES_CVBS1

SD_CVBS

I2S Out

AudioL-R

BSC Masters (control)

Y

Pb

Pr

SPDIF Out

HDMI In

16Mx16

VSB / QAM / NTSC-BTSC IFDemodulators

BCM3560B0

TV on a Chip

32-bit DDR-SDRAM

DDR-SDRAM 16Mx16

CVBS OUT

EJTAG

Test BSC

HD_DVO

Vision Probe

Broadband Studio

LVDS Tx

DS90C385MTD

RGB

MAIN

USB

Flat Panel Display

LVDS

HDMI2

ADC+HDMI_Rx

AD9880

VGA

Front Panel

Keypad,LED,IR

A A

SMPS

POWER

POWER NCP5422

12V

POWER

5

4

I2S In

Digital-in

UART

ATMEGA48V

MCU

5V-cpu

12V

1.2v

LDO

2.6v

5v

LDO

3.3v

3

2

Titl e

<Title>

Size Document Num ber Rev

C

C

C

Date: Sheet

1

of

118Tuesday, November 07, 2006

of

118Tuesday, November 07, 2006

of

118Tuesday, November 07, 2006

b. Printed Circuit IC Board

1) head-on board

-

2) rear board

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Key IC Description& Trouble Shooting Guide

4.

1. Key IC Description

1）BCM3551

-

2）MSP3460

-

3)AD9880

-

2. Trouble Shooting Guide

-

Signal Flowing Chart

5.

5

4

3

2

1

BCM3560B0 Digital High Definition, LCD_TV

DDR-SDRAM

Ethern et

D D

Headphone Amp RC4580ID

DTEDevice

D-AMP

TPA3004D2

PC Audio

L-R

Luma-Chroma

CVBS

Audio L-R

CVBS

Audio L, R

Audio Processor MSP3460G

S-Video1: Video1,

Stereo Audio

Video 2:

C C

Composite, Stereo Audio

CD4052

Y

Pb

HD Component1, Stereo Audio

HD Component2, Stereo Audio

B B

Main Out: Digital Audio

Pr

Audio L-R

Y

Pb

Pr

Audio L-R

HDMI1

BCM4401

Flash 8Mx16

RF Cable/ Antenna

DTT7608

ATSC/NTSCTuner

CVBS1/Luma1

EBI/PCI

SD_L

SD_C

ES_CVBS0

ES_CVBS1

SD_CVBS

I2S Out

AudioL-R

BSC Masters (control)

Y

Pb

Pr

SPDIF Out

HDMI In

16Mx16

VSB / QAM / NTSC-BTSC IFDemodulators

BCM3560B0

TV on a Chip

32-bit DDR-SDRAM

DDR-SDRAM 16Mx16

CVBS OUT

EJTAG

Test BSC

HD_DVO

Vision Probe

Broadband Studio

LVDS Tx

DS90C385MTD

RGB

MAIN

USB

Flat Panel Display

LVDS

HDMI2

ADC+HDMI_Rx

AD9880

VGA

Front Panel

Keypad,LED,IR

A A

SMPS

POWER

POWER NCP5422

12V

POWER

5

4

I2S In

Digital-in

UART

ATMEGA48V

MCU

5V-cpu

12V

1.2v

LDO

2.6v

5v

LDO

3.3v

3

2

Titl e

<Title>

Size Document Num ber Rev

C

C

C

Date: Sheet

1

of

118Tuesday, November 07, 2006

of

118Tuesday, November 07, 2006

of

118Tuesday, November 07, 2006

Bus Control Adjustment

6.

-

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 “8”,“ 8”,“9”,“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