Haier HLTDC19 - 19" LCD TV Manuel utilisateur

SERVICE MANUAL

FOR HLTDC19

TFT-LCD TV

Content

CONTENTS -----------------------------------------------------------------------------------------------1

Main Unit Description----------------------------------------------------------------------------------2

Features----------------------------------------------------------------------------------------------------4

Warning and Cautions---------------------------------------------------------------------------------6

Replacement of Memory IC--------------------------------------------------------------------------8

Net Dimension-------------------------------------------------------------------------------------------9

Remote Controller Functions----------------------------------------------------------------------10

ICs function description ----------------------------------------------------------------------------13

Block Diagram------------------------------------------------------------------------------------------21

Trouble Shooting---------------------------------------------------------------------------------------26

Front Panel Controls

Control Panel Function

TV/AV MENU VOL- VOL+ CH- CH+ POWER

2345

1. Power supplyswitch

2.TV/AV PC/COMPONENT/AV/SV/TV/DVD

3. MENU Press to select the main menu

4. VOL- Volume down/ Left orientation to adjust the item inthe OSD

VOL+ Volume up / Right orientation to adjust the item/Press to enter

5. CH- TV channel down / to select the item in the menu

CH+ TV channel up / to select the item in the menu

6. Power indicator

Illuminates red in standby mode, illuminates green when the display is

turned on

7.Remote Sensor

Selects the input signals:

Receives the signals from the remote control

Connection Options

The above figure is for reference only,

connections may differ depending upon

the models

DVD

STOP PLAY/PAUSE OPEN/CLOSE

PREW NEXT

DVD insert

VGA Input

Connect to theVGA

15PIN analog output

connector of aPC

display card to use set

as a PC display

DVD/DTV Input

Connect a component

video/audiodevice to

these jacks

Video Input

Connect video output

from an external

device to thisjack

AV/S-VIDEO/

COMPONENT Audio

Input

Connect audio output

from an externaldevice

to these jacks

PC Audio Input

Connect the audio

output from the pc

to the audio input port

Earphone port

Antenna Input

Connect cable or

antenna signals to

the TV, either direc-

tly or through your

cable box.

S-Video Input

Connect S-Video out

from an S-Video device

to the jacks.

ANT IN S-VIDEO VGA IN

PC AUDIO IN AUDIO IN

R L

VIDEO IN

Pr Y

COMPONENT IN

ANT IN S-VIDEO VGA IN

PC AUDIO IN AUDIO IN

R L

VIDEO IN

Pr Y

COMPONENT IN

Features

Model

NO.

Functions

HLTDC19

1 TFT SAMSUNG

2 Screen size 19inch

3 Aspect ratio 4:3

4 Resolution 1280×1024

5 Brightness 300cd/m2

6 Contrast(Darkroom) 700:1

7 Response time(ms) 8

8 Color system NTSC

9 NO. of preset channels 181

10 Picture mode Yes

11 Angel of view H:150°/ V:135°

12 Color display 16,777,216

13 Color level16

14 OSD languages ENGLISH,FRENCH, SPANISH

15 AV stereo Yes

16 Surrounding sound No

17 Audio system M

18 Bass Yes

19 Balance Yes

20 Sound mode Yes

21 Mute Yes

22 BTSC Yes

23 AV input Yes

24 AV output No

25 Y CB CR Yes

26 Y PB PR Yes

27 S-video jack Yes

28 TV in Yes

Model

NO.

Functions

HLTDC19

D-SUB jack Yes

30 DVI socket

31 SCART socket

32 Ear-Phone Out

Yes

33 CCD,V-CHIP

Yes

34 Semitransparent menu

Yes

35 ZOOM

36 16:9 mode

37 Child Lock

Yes

38 Quick View

Yes

39 NO. of built-in speakers

40 Audio output power(Built-in)(W)

2*1.5

41 Total power input（W）

42 Voltage range（V）

120

43 Power frequency（Hz）

44 Time of sleep timer(MINS)

240

45 Approval

46 Suitable market

U.S.

Warnings and Cautions

Warning

High voltages are used in the operation of this product.

Do not romove the cabinet back from your set. Refer

servicing to qualified service personnel.

Warning

To prevent fire or electrical shock hazard, Do not expose

the main unit to rain or moisture.

Warning

Do not drop or push objects into the television cabinet

slots or openings. Never spill any kind of liquid on the

television receiver.

Caution

If the television is to be built into a

compartment or similarly enclosed, the

minimum distances must be maintained.

Heat build-up can reduce the service life of

your television, and can also be dangerous.

Minimum

10c

20c

10c 5cm

Caution

Never stand on, lean on, push suddenly the product or its

stand. You should pay special attention to children to children.

Caution

Do not place the main unit on an unstable cart stand, shelf or

table. Serious injury to an individual, and damage to the

television, may result if it should fall.

Caution

When the product is not used for an extended period of time, it

is advisable to disconnect the AC power cord from the AC

outlet.

Caution

Avoid exposing the main unit to direct sunlight and other

source of the heat. Do not stand the television receiver

directly on other produces which give off heat. E. g. video

cassette players,Audio amplifiers. Do not block the

ventilation holes in the back cover. Ventilation is essential to

prevent failure of electrical component. Do not squash power

supply cord under the main unit.

Caution

The LCD panel used in this product is made of glass.

Therefore, it can break when the product is dropped or

applied with impact. Be careful not to be injured by

broken glass pieces in case the LCD panel breaks.

REPLACEMENT OF MEMORY IC

1. MEMORY IC

This LCD TV uses memory IC. In the memory IC are memorized data for correctly operating the video and

sound circuits. When replacing memory IC, be sure to use IC written with the initial value of data.

2.CHECK MEMORY IC

(1) Power off

Unplug the ~120V power plug from ~120V power socket.

(2) Replace IC

Be sure to use memory IC written with the initial data values or blank memory IC.

(3) Power On

Plug the ~120V power plug into ~120V power socket. (If memory IC is blank, the program will take 25s to

initial memory IC.

(4) Check and set SYSTEM default value:

1) Press “DISPLAY” key, then press key “CCD”,"MTS/SAP”,"CCD”,"DISPLAY” on the Remote control

unit continuously for factory used.

2)The “Factory mode” will be displayed on the screen,

3) Check the setting value of the SYSTEM default value of Table below. If the vale is different, select

items by [CH-]&[CH+] keys and set value by [VOL-]&[VOL+] keys.

4) Press “EXIT” key and return to the normal screen.

Remote Control Key Functions

When using the remote control, aim it

towards the remotesensor on theTV

Stand By

DVD Open/close

Scan

TV/DVD

Mute

Call Screen Display

Program Number

TV Sleep button

Volume/Channel Selection

DVD 10+

DVD STOP

DVD SUBTITLE

DVD SETUP

DVD PAUSE/STEP

DVD FAST REVERSE

DVD FAST FORWARD

DVD MENU

DVD NEXT

DVD PREVIOUS

DVD REPEAT

DVD PLAY/ENTER

DVD A-B REPEAT

DVD Cursor Move button

DVD SLOW

DVD ANGLE

DVD SEARCH

DVD TITLE/PBC

DVD PROGRAM

DVD CALL

TV/AV and input selection

Return to Previous Channel

CCD ( closed caption) On / Off

Adjust Picture Mode

Exit On Screen Display

Mode

Zoom Function

Select MONO,STEREO, SAP in NTSC system

DVD AUDIO

Buttons on the remote control

DOWN

LEFT RIGHT

POWER TV/DVD OPEN/CLOSE

SCAN RECALL DISPLAY MUTE

1234

5678

9900

CCD

P.STD

CH+

CH-

VOL

EXIT 10+

STOP SETUP PAUSE/STEP

REV FWD .PREV NEXT

D.MENU REPEAT A-B

PLAY/ENTER SLOW

ANGLE TITLE/PBC SEARCH

ZOOM D.CALL

PROGRAM

SUBTITLE

MTS/SAP

TV/AV

SLEEP

AUDIO

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