Haier HLC24XLP2, HLC24XLPW2 Service Manual

23.6″ LEDTV Haier HLC24XLP2&HLC24XLPW2

Service

TABLE OF CONTENTS

Description Page Description Page

SAFETY NOTICE

ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS

AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING

ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.

CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

6.1 Main Board………..…………………...…….….......20

6.2 Power Board…..…………..………….…..…….......23

6.3 Key Board………………………..……..……….......24

6.4 IR Board…………………………..……….…….......25

7.Adjustment/FW Upgrade/EDID…………….…...……26

8.Block Diagram.…….................................................37

9.Wiring Diagram.……................................................38

10.Schematic Diagram………..……..…………….…...39

10.1 Main Board…………….…………………...….......39

10.2 Power Board………..…....…………...…..….......49

10.3 Key Board……………….………….………….......50

10.4 IR Board……………………………….……….......52

Table of Contents.......……..................................….......1

Important Safety Notice.....................................…….....2

Revision List…………………………………………………3

1.General Specification.................................………......4

2.Operating Instructions…………………….……...….......6

2.1 The Use of Remote Control…….…………...…….......6

2.2 To Use the Menus…...………………….….………......6

2.3 Front Panel Control Knobs……………….………........6

2.4 How to Connect…….…………………….…..…….......6

3.Input/Output Specification…………....................…....7

4.Mechanical Instructions……………………..................9

5.Repair Flow Chart ……………………………………….13

6.PCB Layout …………...………………………………....20

Important Safety Notice

Proper service and repair is important to the safe, reliable operation of all Haier Company Equipment. The service

procedures recommended by Haier and described in this service manual are effective methods of performing

service operations. Some of these service operations require the use of tools specially designed for the purpose.

The special tools should be used when and as recommended.

It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in

order to minimize the risk of personal injury to service personnel. The possibility exists that improper service

methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICES ARE

NOT EXHAUSTIVE. Haier could not possibly know, evaluate and advise the service trade of all conceivable ways in

which service might be done or of the possible hazardous consequences of each way. Consequently, Haier has not

undertaken any such broad evaluation. Accordingly, a servicer who uses a service procedure or tool which is not

recommended by Haier must first satisfy himself thoroughly that neither his safety nor the safe operation of the

equipment will be jeopardized by the service method selected.

Hereafter throughout this manual, Haier Company will be referred to as Haier.

WARNING

Use of substitute replacement parts, which do not have the same, specified safety characteristics might create

shock, fire, or other hazards.

Under no circumstances should the original design be modified or altered without written permission from Haier.

Haier assumes no liability, express or implied, arising out of any unauthorized modification of design.

Servicer assumes all liability.

FOR PRODUCTS CONTAINING LASER:

DANGER-Invisible laser radiations when open AVOID DIRECT EXPOSURE TO BEAM.

CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may

result in hazardous radiation exposure.

CAUTION -The use of optical instruments with this product will increase eye hazard.

TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S

REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION OF

THIS SERVICE MANUAL.

Take care during handling the LCD module with backlight unit

-Must mount the module using mounting holes arranged in four corners.

-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.

-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to

the panel.

-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).

-Make certain that treatment person’s body is grounded through wristband.

-Do not leave the module in high temperature and in areas of high humidity for a long time.

-Avoid contact with water as it may a short circuit within the module.

-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth may damage the panel.)

Revision List

Version Release Date Revision Instructions Customer Model Model

A00 Sep.19,2010 Initial release

HLC24XLP2

HLC24XLPW2

1. General Specification

Note:

• This model complies with the specifications listed below.

• Designs and specifications are subject to change without notice.

• This model may not be compatible with features and/or specifications that may be added in the future.

Side Connectors

HDMI Earphone Output USB PORT

WEIGHT & DIMENSIOIN Dimensions with Stand (W x H x D) (inch) 22.89 x 16.44 x 6.30 Dimensions without Stand (W x H x D) (inch) 22.89 x 14.84 x 2.19 Weight with Stand (lb) 10.29

Weight without Stand and Base (lb) 9.71

WALL MOUNTING VESA-compatible wall bracket(W x H) 100 x 100 mm Screw type Metric 4 x 10 mm

POWER

Power Consumption 65W

Standby <1W

Input 19V 3.42A(3,42A)

Audio Power 3W + 3W

Ambient Temperature 41°F ~ 95°F

Model No

HLC24XLP2&HLC24XLPW2

DISPLAY

Viewable 23.6" Television System NTSC standard, ATSC standard (8-VSB, Clear-QAM)

Channel Coverage

VHF: 2 through 13 UHF: 14 through 69 Cable TV: Mid band (A - 8 through A - 1, A through I),

Super band (J through W), Hyper band (AA through ZZ, AAA, BBB), Ultra band (65 through 94, 100 through 125)

CONNECTIONS

Rear Connectors

Tuner input (75Ω) AV IN: AV/S-Video and L/R audio input PC IN: D-SUB and PC Audio (Headphone mini-jack)

Supported scan rate: 640x480@60/72/75Hz, 720x400@70Hz,

800x600@56/60/72/75Hz, 1024x768@60/70/75Hz,1280x720@60Hz, 1280x768@60Hz. Note: 1280x1024@60Hz, 1440x900@60Hz, 1680x1050@60Hz, 1920x1080@60Hz

For HLC24XLP2/HLC24XLPW2 only. Recommended: 1920x1080@60Hz Component Video and L/R Audio input: Supported resolution: 480i@59.94/60Hz, 480p@59.94/60Hz,

720p@59.94/60Hz,1080i@59.94/60Hz,

1080p@59.94/60Hz HDMI input: Supported scan rates: 480i@59.94/60Hz,480p@59.94/60Hz,

720p@59.94/60Hz,1080i@59.94/60Hz,

1080p@59.94/60Hz SPDIF

PACKAGE CONTENTS

Supplied Accessories

TV Unit x 1 Base x 1 Remote Control x 1 (with two size AAA alkaline batteries) User Manual x 1 AC Power Cord x 1 Adaptor x 1

2. Operating Instructions

For this chapter, pls refer to the user manual attached with this service manual.

3. Input/Output Specification

3.1 Input Signal Connector

D-SUB

Pin No. Description Pin No. Description

1 Red Video 9 No Pin

2 Green Video 10 Sync Ground

3 Blue Video 11 SDA(Remote Control)

4 SCL(Remote Control) 12 Serial Data for DDC

5 Ground 13 H. Sync

6 Red Ground 14

. Sync

7 Green Ground 15 Serial Clock for DDC

8 Blue Ground

HDMI

Pin No. Description Pin No. Description

MDS Data2+ 11

MDS Clock Shield

MDS Data2 shield 12

MDS Clock-

DMS Data2- 13 CEC

MDS Data1+ 14 NC

MDS Data1 shield 15 SCL

MDS Data1- 16 SDA

MDS Data0+ 17 DDC/CEC Ground

MDS Data0 shield 18 +5V Power

MDS Data0- 19 Hot Plug Detect

MDS Clock+

3.2 Input Signal Timing

Analog RGB

VESA MODES

Horizontal Vertical

Mode Resolution Total

Nominal

Frequency

(KHz)

Sync

Polarity

Nominal

Freq.

(Hz)

Sync

Polarit

Nominal

Pixel Clock

(MHz)

VGA

640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175

640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500 640x480@75Hz 840 x 500 37.500 N 75 N 31.500

DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322

SVGA

800x600@56Hz 1024 x 625 35.156 P 56.250 P 36.000 800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000

800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000 800x600@75Hz 1056 x 625 46.875 P 75 P 49.500

XGA

1024x768@60Hz 1344 x 806 48.363 N 60.004 N 65.000 1024x768@70Hz 1328 x 806 56.476 N 70.069 N 75.000

1024x768@75Hz 1312 x 800 60.023 P 75.029 P 78.750

CVT-0.92M9 1280x720@60Hz 1664 x 748 44.722 N 59.855 P 74.500

WXGA 1280x768@60Hz 1440 x 790 47.396 P 59.995 N 68.250

SXGA 1280x1024@60Hz 1688 x 1066 63.981 P 60.020 P 108.000

WXGA+ 1440x900@60Hz 1600 x 926 55.469 P 59.901 N 88.750

WSXGA+ 1680x1050@60Hz 2240 x 1089 65.290 N 59.954 P 146.250

FHD 1920x1080@60Hz 2200 x 1125 67.500 P 60.000 P 148.500

HDMI

VESA MODES

Horizontal Vertical

Mode Resolution Total

Nominal

Frequency

(KHz)

Sync

Polarity

Nominal

Freq. (Hz)

Sync

Polarity

Nominal

Pixel Clock

(MHz)

DOS 720 x 400@70Hz 900 x 449 31.469 N 70.087 P 28.322 VGA 640 x 480@60Hz 800 x 525 31.469 N 59.940 N 25.175

SVGA 800 x 600@60Hz 1056 x 628 37.879 P 60.317 P 40

XGA 1024 x 768@60Hz 1344 x 806 48.363 N 60.004 N 65

WXGA 1280 x 768@60Hz 1664 x 798 47.396 P 59.995 N 68.25

CVT-0.92M9 1280 x 720@60Hz 1664 x 748 44.772 N 59.855 P 74.5

SXGA 1280 x 1024@60Hz 1688 x 1066 63.981 P 60.02 P 108

WXGA+ 1440 x 900@60Hz 1904 x 934 55.469 P 59.901 N 88.75

WSXGA+ 1680 x 1050@60Hz 1840 x 1080 65.29 N 59.954 P 146.25

FHD 1920x1080@60Hz 2200 x 1125 67.500 P 60.000 P 148.500

1080P 1920 x 1080P 2200 x 1125 67.5 60, 148.5

720P 1280 x 720P 1650 x 750 45.00 60, 74.25 1080i 1920 x 1080i 2200 x 1125 33.75 60, 74.25 480P 720 x 480P 858 x 525 31.50 60, 27.03

480i 720 x 480i 1716 x 525 15.75 60, 13.51

4. Mechanical Instructions

Step1. Unscrew the 4 screws to remove the STAND ASS’Y.

Step2. Unscrew the 6 screws to remove the REAR COVER.

Step3. Remove the all the detachable CON/WIRES.

Step4. Unscrew the 20 screws to remove DVD, Power BD, Main BD, AC COVER, HINGE BKT and

AC BKT.

Step5. Unscrew the 4 screws to remove DVD-BKT-SUPPORT.

Step6. Separate the BEZEL and PANEL.

The PANEL.

The BEZEL.

5. Repair Flow Chart

1. No power

No power (LED “Off”)

Check the AC input and the

ower is “ON”?

Power “On”

Check the IR board and LED

Replace the IR board

Replace the main board

Power board output=5V?

Replace the power board

Yes

2. Can’t start

Can’t start（LED red）

Replace the main board

Replace the Power board

Yes

Power board output＝19V?

Check the power key is under control?

Check the IR receiver is normal?

Replace the power board

Replace the key board

Yes

Replace the IR board

3. Abnormal Display

Abnormal Display

Reset the source

Check the source

Check the panel

Replace the main board

Replace the LVDS cable

Replace the panel

Yes

Check the main board

Enter factory mode to do

“EEPROM initial”&“Reset”

Check the LVDS cable

4. No display

Check the B/L

signal is available?

Replace main board

Replace the power board

Panel Vcc = 5V?

Replace the Panel

No display (LED white)

Replace the main board

Check the backlight is

“On”?

Check the LVDS cable

Reinsert or replace the LVDS cable

Replace the main board

Replace the Panel

Yes

Power board output＝19V?

Check TV is under control and power on/off by remote control and power key?

+ 36 hidden pages

Haier HLC24XLP2, HLC24XLPW2 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual