Haier HL42XR1 user manual

User manual for the device Haier HL42XR1

Device: Haier HL42XR1
Size: 12,23 MB
Date of adding : 2013-08-14 16:21:06
Number of pages: 56
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Haier HL42XR1 user manual
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Abstracts of contents
Summary of the content on the page No. 1

M
SERVICE MANUAL
COLOR TV
Customer Model: HL42XR1
Service Model: HL42XR1a
CHASSIS: MTK5380L
WARNING
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 b electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repa

Summary of the content on the page No. 2

CONTENTS Table of contents ..................................................................... 2 1. General Information ........................................................... 4 1-1. General Guidelines .............................................................. 4 1-2. Important notice .................................................................. 4 1-3. How to read this Service Manual ............................................ 5 2. Specifications ..................................

Summary of the content on the page No. 3

8-2. Measurements and Adjustments .................................................. 43 11 Trouble shooting ...................................................................... 49 9-1. Simple check ............................................................................... 49 9-2. Power Supply Board failure check .............................................. 49 9-3. Main board failure check .............................................................. 51 9-4. Pannel failure .............

Summary of the content on the page No. 4

1. General Information 1-1 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. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards. 1) Leakage Current Cold Check 2) Leakage

Summary of the content on the page No. 5

1-2-6. Safety Check after Repairment Confirm that the screws ,parts and wiring which were removed in order to service are put in the original positions, or whether there are the portions which are deteriorated around the serviced places serviced or not. Check the insulation between the antenna terminal or external metal and the AC cord plug blades. And be sure the safety of that. Insuration Test 1. Unplug the plug from the AC outlet. 2. Remove the antenna terminal on TV and turn on the TV. 3. In

Summary of the content on the page No. 6

maydamageequipment,loosedata,get anunexpectedresultor hasto restart(partof) a procedure. Warning: A "warning"is usedwhenthereis dangerof personalinjury. R ce: A "reference"guidesthe readerto otherplacesinthis binderor in this manual,wherehe/shewill findadditionalinformationona specifictopic. 2. Specification Model LA42R1 Screen size 42inch Aspect ratio 16:9 Resolution 1920×1080 Contrast Ratio 1300:1 Angel of view H: 178/V: 178 Color display 16.7M OSD language English Color system ATSC/NTSC Audio

Summary of the content on the page No. 7

3-1 Board Location No. Parts number Description A Board Main Board B Board Power Board 3-2 Main Board & AV Board 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 definition Main board connector Power connectors (CNA1) 7

Summary of the content on the page No. 8

Pin number Signal number 1 SW 2 GND 3 +5VSB 4 GND 5 GND 6 +12V 7 +12V Notes" CNA 1-Pin 1:System power on / standby System board will use this pin to control system power. CN1 Pin number Signal number 1 Dimming 2 ON/OFF 3 GND 4 SELECT(NC) Notes: CN 1-Pin2: Backlight on/off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path. CN 1-Pinl: Control the luminance of backlight. The system can generate the PWN signal to control the strength of TFT LCD Pane

Summary of the content on the page No. 9

Pin number Signal number 1 GND 2 ADIN l-K0 3 ADIN2-K1 Speaker connector(CNC1) Pin number Signal number 1 SPEA L+ 2 SPEA L- 3 SPEA R 4 SPEA R+ Other con nectors: CNB2 to Upgrade the program of MTK5380L (U13) AND FLASH (U17) J3 UORX 2 UOTX 3 4 +3V3SB 1 D 4xl WIHOUSnNG D IP41W/HIP2_O 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON3 9

Summary of the content on the page No. 10

Pin# Signal 1 GND GND GND 4 GND 5 GND 6 24V 7 24V 8 24V 9 24V i0 24V CON1 Pin# Si_nal 12V 2 12V 3 GND 4 6ND 5 5VSB 6 OI_ 7 ON/OFF CON2 Pin# Signal 1 2 6ND 24V 4 24V IO

Summary of the content on the page No. 11

3-4. LCD Panel 3-4-1 Function Description: Display the signal. 3-4-2 Connector definition No S_I Descd_ion '1 GND Gr,au_ 2 NC No Conn_tign 3 NC No Conn_tien No :Conn_tion 4 NC 5 NC No ConneXion No ConneXion Ex_mal VBR (From System) 8 VBR EXT OPC ou_ (From LCIVI) 9 OPC O_ G;rou_ 11 GND t2 R1AN F_RST LVDS R_eiver Sig_;l (A-) 14 R1BN FIRST LVDS R_eiver Sig_l (B-) 15 R1BP F_RS]°LVDS R_eiver Sig_l (B+) 1,6 R1CN FIRST LVDS R_eiver Sig_l (_) 17 RtCP HRST LVDS R_eiver Signal (C+) 19 R1CLKN HRST LVDS R_:

Summary of the content on the page No. 12

No Bit Sel_t 'H' or NC= 10bit(D)_ 'L' = 8bit 28 _AN SECOND LVDS R_eiver Sig_l (A-) SECOND LVDS R_eiver S,ig_l (A+) ................... ; ; ; ........................ ; ; <;; ; ............................................................ SECON D LVDS R_eiver Sigral (B-) 3'I SECOND LVDS Receiver Sigral (B+) 32 R2CN SECOND LVDS R_eiver Sig_l (C-) SECOND LVDS R_eiver Sig_l (C÷) 34 GND Ground ....................... ............................ ......................................; ,;; ; ..........

Summary of the content on the page No. 13

4-1 Remove the Pedestal 4-3. Remove the speaker Remove the two screw from the speaker indicated on figure above by red line. 4-4 Remove the Terminal Bracket (]) [Jay down the unit so that rear cover faces upward (2) Remove the four screw from the rear cover indicated with red line. _3) Then remove the pedestal 4-2Remove the Back Cover (1) Remove the seventeen screw indicated (`1) Remove the six screw indicated on the on figure above by red line. figure above by red line. (2) Then remove the back

Summary of the content on the page No. 14

4-5 Remove the power module 4-8 Remove the keypad control _1_ Remove the four screw indicated on the figure above by the red line. _2_ Then remove the power module [] Remove the two screw indicated on the figure 4-6 Remove the Main board above by blue line. _Then remove the keypad module. _1_ Remove the eight screw indicated on the figure above by the red line. _2_Remove the Main board 4-7 Remove the remote control Remove the one screw, take out the remote control board 14

Summary of the content on the page No. 15

5.installation instruction Externa| Equipment Connections Accessories Haie¢ o TFT-LCD TV OWNER'S MANUAL 7 Remote control Owner's manual Alkaline battery(AAA) X 2 Antenna Connection Multi-family Dwellings/Apartments (Connect to wallantenna socket) Walt Antenna Socket , Bronze Wire ,.......................... ...................... RF Coaxial Wire(75 ohm) I i........ _ _ ........................... ,-.............. ; i, / VHF Antenna UHF Antenna Turn ctockwiseto tighten _ ................ Bronze W

Summary of the content on the page No. 16

5.1 External Equipment Connections NOTE: All cables shownare not included with theTV. Choose Your Connection There are several ways to connectyour television, depending on the components you wantto connectand the quality of the signal you want to achieve. The following are examplesof some different ways toconnect your TVwith differentinput sources. Connecting aVCR Toavoid picture noise(interference), leave anadequate distance between theVCR and TV. Connection Option 1 Set VCRoutput switch to cha

Summary of the content on the page No. 17

External A/V Source Setup How to connect Connect the audio and video cables from the external equipment's output jacks to the TVinput jacks, as shown in the figure. When connecting the TVto external equipment, match the DVI AUDIO jack colors (Video = yellow, Audio Left = white, and Audio ©@©@@'. Right = red). © () © @@@@@ How to use Pb Pr L-AUD!O-R i VGA AUDIO VGA 1. Selectthe input source with using the INPUT button on the remote control. ©©@ 2. Press A/Y button to select the desired source. S-

Summary of the content on the page No. 18

Connecting a DTV(digitai TV) This TV can receive Digital Over-the-air/Cable signals withoutan external digital set-top box. However, if you do receive Digital signals from adigital set-top box or other digital external device, refer to the figure as shown below. This TVsupports HDCP (High-bandwidth Digital Contents Protection) protocol forDigital Contents 480p,720p,1080i). How to connect Use theTV's COMPONENT, VGAor HDMI jack forvideo connections, depending on your set-top boxconnector. Then, ma

Summary of the content on the page No. 19

Connecting a computer Howtoconnect 1. To getthe bestpicture quality, adjustthe VGAgraphics card to 1024x768. 2. Usethe TV'sVGAor DVI (Digital Visuallnterface)Audio IN port foraudio connections,depending on your computer connector. [] If the graphic card on the computer does not output analog and digital RGBsimultaneously, connect only one of eitherVGAIN or HDMI IN todisplaytheVGAon theTV. [] If the graphic card on thecomputer doesoutput analog and digitaIRGB simultaneously, setthe TVto eitherVGA

Summary of the content on the page No. 20

5.2 HDNll and DVI Connection When thesource device(DVD player or SetTop Box) supports HDMI How To Connect 1. Connect thesource device toHDMI portof thisTV withan HDMI cable(notsupplied with thisproduct). 2. No separatedaudio connection is necessary. How To Use If the source device supports Auto HDMI function, the output resolution of the source device will be automatically set to 1280x720p. If the source device does not supportAuto HDMI, you need to set the output resolution appropriately. To ge


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