SERVICE MANUAL LCD TV Model No. BBHTN180 MSD306 Chassis 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.
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.
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Service Manual Model No.: 9. Trouble-shooting………….............. 9-1. Simple Check 9-2. Main Board Failure Check 9-3. Panel Failure - 02 -...
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.
Service Manual Model No.: 1-3-6 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 positions 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.
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"...
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 specific information.
Service Manual Model No.: 2. Specifications Model BBHTN180 Screen Size 18.5 inch Aspect Ratio 16:9 Resolution 1366x768 5 (GRAY TO Response Time (ms) GRAY) Angel of View Color Display 170 (H)/160 (V) No. of Preset Channels 400 OSD Language English...
Service Manual Model No.: 3. Location of Controls and Components 3-1 Board Location B Board A Board Description A Board Main Board 515C3206M60 B Board Power Board 514C1901M03 3-2 Main Board - 08 -...
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 definition Main board connector Power connectors (J25, J2) Pin number Signal name Pin number Signal name BL-ON BL-ADJUST...
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Service Manual Model No.: remote connector (J21) Pin number Signal name Description LED_R LAMP RED LED_G LAMP GREEN REMOTE CONTROL POWER FOR REMOTE Keypad and connector (J22) Pin number Signal name Description KEY1 KEY0 Speaker connectorJ26 Pin number Signal name Description RSPK+ RSPK+...
Service Manual Model No.: 3-3. Power Board 3-3-1 Function Description: Supply power for Main board, Panel. 3-3-2Connectordefinition CON5 Pin number Signal name POEWR ON/OFF 5V STB ON-PBACK BK ON/OFF - 11 -...
Service Manual Model No.: 3-4. LCD Panel MTC185TVM-C07H(CPT:CLAA185WA04 V4) MTC185TVM-C07H(CPT:CLAA185WA04 V4) MTC185TVM-C07H(CPT:CLAA185WA04 V4) - 12 -...
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Service Manual Model No.: 3-4-1 Function Description: Display the signal. 3-4-2 Connector definition. CN1(Data Signal and Power Supply) PIN NO. SYMOBL FUNCTION Power ground RXIN0- Negative LVDS differential data input(0) RXIN0+ Positive LVDS differential data input(0) Power ground RXIN1- Negative LVDS differential data input(1) RXIN1+ Positive LVDS differential data input(1) Power ground...
Service Manual Model No.: 4. Disassemble and assemble 4-1 Remove the Pedestal Lay down the unit so that rear cover faces upward Remove the three screw from the rear cover indicated with ○ Then remove the pedestal 4-2Remove the Back Cover Remove the these screw indicated on figure above by ○...
Service Manual Model No.: 4-3 Remove the power module Remove the four screw indicated on the figure above by ○ Then remove the power module 4-4 Remove the Main board Remove the two screw indicated on the figure above by ○ Disconnected the coupler J20 J2 J21 J22 J25 J26 J17...
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 - 17 -...
Service Manual Model No.: 5. Installation Instructions 5-1 External Equipment Connections Accessories Battery User GUIDE Remote Control 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.
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Service Manual Model No.: CHOOSE YOUR CONNECTION CHOOSE YOUR CONNECTION Yellow (video) White(audio L) Red(audio R or Pr) Blue(Pb) Green(Y) HDMI INPUT AUDIO INPUT AV OUTPUT VGA INPUT RF INPUT AC-INPUT 100-240V~ 50/60Hz HDMI VIDEO EQUIPMENT with Composite output TO VIDEO output To audio outputs - 19 -...
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Service Manual Model No.: HDMI INPUT AUDIO INPUT AV OUTPUT VGA INPUT RF INPUT AC-INPUT 100-240V~ 50/60Hz - 20 -...
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.
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) - 22 -...
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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 specified voltage. Use the attached power cord only.
Service Manual Model No.: OPERATION Measurements and Adjustments Installation Guide Channel Tuning : 0 Programme(s) Please select an OSD Language DTV : 0 Programme(s) Radio : 0 Programme(s) Cesky English Magyar Polski Fran ais Data: 0 Programme(s) Espanol Dansk Hrvatski Nederlands Portugues UHF CH 68 DTV...
Service Manual Model No.: NOTE: Picture Mode Standard Press teletext red button to storage the channels Color Temperature after manual tuning . Aspect Ratio 4). Program edit: Noise Reduction < > PICTURE Screen You can Delete ,Rename ,Move, Skip , FAV any programs.
Service Manual Model No.: 7.EPG Menu(Electronic Program 5.OPTION MENU Guide). The fifth item of the MENU is the OPTION The EPG menu is used to look at what is being MENU. You can adjust the Menu language, broadcasted on DTV or Radio channel in the day. Audio language,Subtitle language etc.
Service Manual Model No.: 8.1 How to enter into the factory model 1. You can press "source-2-5-8-0" to go into factory setting. Presse the key "exit" to shut the factory setting. content: 1: ADC setup: set ADC value of YUV,VGA. It can also be auto-set. Adopt 100% color bar to yuv and Checkerboard signal to vga.
Service Manual Model No.: 8.2 How to update software Haier MSD306 F/W upgrade with USB SOP 7.2 FW Upgrade Haier MTK5363 FW upgrade with USB SOP Step 1: Ready for F/W Upgrade Step 1: Ready for F/W Upgrade 1.1 Prepare a USB memory . 1.1 Change the software file name to ”upgrade.pkg”...
Service Manual Model No.: 9-2. Main board failure check 1) Black creen Is power LCD normal? Check Q5,Q6 and the 2) White screen on VCC pins of J20 Check if Q1is working Signal on J20 Check if J20 is - 45 -...
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Service Manual Model No.: 3) Panel display abnormally connector j20 is at normal level - 46 -...
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Service Manual Model No.: 4) No sound No sound No sound Check the Check the input input Check if there is sound input Check if there is sound input source source signal signal Check if the volume control is Check if the volume control is Reset Reset at 0 level or muted...
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Service Manual Model No.: 5)TV failure TV no channel Fix the RF Check if there is RF signal input Check the power Check if there is supply circuit to +5V at PIN6 of this PIN Check if there is I2C signal at PIN4 &...
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Service Manual Model No.: 6) HDMI no picture or picture abnormal If J3 is R111,R112,R113,R114,R116, R117 Q11,Q12 - 49 -...
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Service Manual Model No.: 7) PC no picture or picture abnormal - 50 -...
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Service Manual Model No.: 8) YPBPR, AV, SCART no picture or picture abnormal Check Y - 51 -...
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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...
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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...
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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...
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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...
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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...