Haier HL26P2 Service Manual
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Haier HL26P2 Service Manual

Haier HL26P2 Service Manual

Msd 118c chassis
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair
the product or products dealt with in this service information by anyone else could result in serious injury or death.

SERVICE MANUAL

WARNING
©2009 Qingdao Haier Electronics Co., Ltd.
All rights reserved. Unauthorized copying and distribution is a violation of law.
Haier Group
Model No.
MSD 118C
LCD TV
HL26P2
Chassis

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Summary of Contents for Haier HL26P2

  • Page 1: Service Manual

    Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death. ©2009 Qingdao Haier Electronics Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    Service Manual Model No.: Chapter 1: General Information 1-1. Table of Contents 1. General Information................1-1. Table of Contents 1-2. General Guidelines 1-3. Important Notice 1-4. How to Read this Service Manual 2. Specifications..................3. Location of Controls and Components........... 3-1.
  • Page 3 Service Manual Model No.: 9. Trouble-shooting………….............. 9-1. Simple Check 9-2. Main Board Failure Check 9-3. Panel Failure - 02 -...

  • Page 4: General Guidelines

    Service Manual Model No.: 1-2. General Guidelines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: Safety Check After Repairment

    Service Manual Model No.: 1-3-6 Safety Check after Repairment Confi rm that the screws, parts and wiring which were removed in order to service are put in the original positions, or whether there are the positions which are deteriorated around the serviced places serviced or not.

  • Page 6: Ordering Spare Parts

    Service Manual Model No.: Electrostatically Sensitive (ES) Devices Some semiconductor (solid-state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 7: How To Read This Service Manual

    Service Manual Model No.: 1-3-8. Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products, which may differ from your products in some way. 1-4. How to Read this Service Manual Using Icons: Icons are used to attract the attention of the reader to specifi...

  • Page 8: Specifications

    Service Manual Model No.: 2. Specifications Model HL26P2 Screen Size 26 inch Aspect Ratio 16:9 Resolution 1366x768 8 (GRAY TO Response Time (ms) GRAY) +80/-80(H), +80/- Angel of View 70(V) Typ. Color Display 16777216 Cable :1-135/ Air: No. of Preset Channels 2-69(ATV&DTV)

  • Page 9: Location Of Controls And Components

    Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location B Board A Board Part Number Description A Board 515C2606M05 Main Board B Board 514C2601M02 Power Board 3-2 Main Board & AV Board - 08 -...

  • Page 10: Function Description

    Service Manual Model No.: 3-2-1 Function Description: Main Board Process signal which incept from exterior equipment then translate into signal that panel can display. 3-2-2 Connector defi nition Main board connector Power connectors (J1,CN101) CN101 Pin number Signal name Pin number Signal name high voltage POWER ON/OFF...
  • Page 11 Service Manual Model No.: Remote connector (CN404) Pin number Signal name Description LED_R LAMP RED LED_G LAMP GREEN REMOTE CONTROL POWER FOR REMOTE Keypad and connector (CN406) Pin number Signal name Description KEY1 KEY0 - 10 -...

  • Page 12: Power Board

    Service Manual Model No.: Speaker connector CN601 Pin number Signal name Description RSPK+ RSPK+ RSPK- RSPK- LSPK- LSPK- LSPK+ LSPK+ 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefi nition CN10 CN11 Pin number Signal name Pin number Signal name high voltage...

  • Page 13: Lcd Panel

    Service Manual Model No.: 3-4. LCD Panel V260B1-P31 - 12 -...
  • Page 14 Service Manual Model No.: 3-4-1 Function Description: Display the signal. 3-4-2 Connector defi nition. Pin No. Symbol Description Note N o connection N o connection N o connection Ground RX0- Negative transmission data of pixel 0 RX0+ Positive transmission data of pixel 0 Ground RX1- Negative transmission data of pixel 1...

  • Page 15: Disassemble And Assemble

    Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Pedestal 4-3. Remove the adhesive tape (The location of the adhesive tape as follows) Remove the adhesive tape indicated on the fi gure above Lay down the unit so that rear cover faces upward Remove the four screw from the rear cover indicated with ○...

  • Page 16: Remove The Terminal Bracket

    Service Manual Model No.: 4-4 Remove the Terminal Bracket Remove the two screw indicated on the fi gure above by ○ Disconnected the coupler CN405 Remove the fi ve screw indicated on the CN101 CN406 CN404 CN901 fi gure above by ○ CN601 CN402 Remove the Main board Then put the terminal bracket to the side...

  • Page 17: Remove The Speaker

    Service Manual Model No.: 4-7 Remove the speaker Take out the speaker 4-8 Remove the remote control Remove the screw, take out the remote control board 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control - 16 -...
  • Page 18 Service Manual Model No.: Antenna Connection Connect one end of a coaxial cable (not included) to the ANT IN jack on the back of your TV/DVD combo, then connect the other end of the cable into the antenna or cable TV wall outlet.
  • Page 19 Service Manual Model No.: CHOOSE YOUR CONNECTION There are several ways to connect your television, depending on the components you want to connect and the quality of the signal you want to achieve. The following are examples of some different ways to connect your TV with different input sources. Choose the connection which is best for you.
  • Page 20 Service Manual Model No.: - 19 -...

  • Page 21: Hdmi Connections

    Service Manual Model No.: 5-2 HDMI Connections When the source device(DVD player or Set Top Box) supports HDM How To Connect 1. Connect the source device to HDMI port of this TV with an HDMI cable(not supplied with this product). 2.
  • Page 22 Service Manual Model No.: Cable sample HDMI Cable (not supplied with the product) HDMI to DVI Cable ( not supplied with the product) Analog Audio Cable (Stereo to RCA type) (not supplied with the product) - 21 -...
  • Page 23 Service Manual Model No.: Power source TO USE AC POWER SOURCE Use the AC polarized line cord provided for operation on AC. Insert the AC cord plug into a standard polarized AC outlet. NOTES: ■ Never connect the AC line cord plug to other than the specifi ed voltage. Use the attached power cord only.

  • Page 24: Operation Instructions

    Service Manual Model No.: 6. Operation Instructions Basal information 6-1 Front panel controls 1.SOURCE Display the input source menu. 2.MENUDisplay main MENU. 3.CH+/CH-:In TV mode press“CH+”or“CH-”to change the channel up and down.In MENU mode, press “CH+”or“CH-”to select items .In standby mode, press“CH+”or“CH-”to turn on the TV.

  • Page 25: Universal Remote Control

    Service Manual Model No.: 6-3 Setting Up Your Remote Control - 24 -...

  • Page 26: Electrical Parts

    Service Manual Model No.: 7. Electrical parts 7-1. Block diagram MSD 118C Main IC - 25 -...

  • Page 27: Circuit Diagram

    Service Manual Model No.: 7-2. Circuit Diagram - 26 -...
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  • Page 37: Wiring Connection Diagram

    Service Manual Model No.: 7-3 .Wiring Connection Diagram Name Connection Wire(For Speaker) Connection Wire(Power For Mainboard) LVDS Wire Connection Wire(For SIDE AV INPUT) Connection Wire(Control for USB INPUT ) Connection Wire(For Keyboard) Connection Wire(For Remote) - 36 -...

  • Page 38: Measurements And Adjustments

    Service Manual Model No.: 8. TV OPERATION - 37 -...
  • Page 39 Service Manual Model No.: - 38 -...
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  • Page 41 Service Manual Model No.: - 40 -...

  • Page 42: Trouble Shooting

    Service Manual Model No.: 9. Trouble shooting 9-1. Simple check - 41 -...

  • Page 43: Main Board Failure Check

    Service Manual Model No.: 9-2. Main board failure check State: No Sound No Sound (All Mode) fail Check the input Change Source input Source pass fail Check Re-soldering or change input/output IC U603 IC U13 pass fail Check Re-soldering or change input/output IC U601 IC U55...
  • Page 44 Service Manual Model No.: 9-3. Pannel failure Failure Mode Part Name Description Phenomena Failure cause Block Defect :TCP cracking or cracking Dim or L/D :TCP Sunken V B/D Vertical bar :TCP lead cracking :ACF bonding short :Awful environment and something electric enter V Dim Vertal gray line into LCD...
  • Page 45 Service Manual Model No.: Part Name Description Phenomena Failure cause I n c o m i n g I n s p e c t i o n Standard Bright dot dark dot in Dot Defect pannel Bladder between Polarizer and top glass Polarizer Bubble Bladder in Polarizer...
  • Page 46 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause White Screen B/L normal, only white screen display M a y b e c a u s e d by surge current Black Screen B/L normal, and EDS only Black screen display FIIcker...
  • Page 47 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Mechanlcal When Caused Nolse turn panel,appear b y M e c h a n i c a cacophony noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B/L off...
  • Page 48 Service Manual Model No.: Failure Mode Part Name Description Phenomena Failure cause Brightness B/L unit badness at bottom of LCM Light leakage brighter than normal B / L b r i g h t n e s s Sheet in B/L unit Mechanlcal or B/ asymmetric is uneven...
  • Page 49 Sincere Forever Haier Group Haier Industrial Park, No.1, Haier Road 266101, Qingdao, China http://www.haier.com Printed in China...

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