Haier HLC26B-B Service Manual Download

Page: 7 / 54

Packaged dimension(MM)

796X233X582

3. LOCATION OF CONTROLS AND COMPONENTS

3.1.Board Location

No. Parts

number

Description

A Board Power Board

B Board Main Board

3.2. Main Board

3.2.1 Function Description

Main Board

：

Process signal which incept from exterior equipment

，

then translate into signal that panel

can display.

Signal flowing chart.

Summary of Contents for HLC26B-B

Page 2: ...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 repair the product deal with in this service information by anyone else could result in serious injury or death ...

Page 3: ...anel controls 22 5 2 Back panel controls 23 5 3 Setting Up Your Remote Control 24 6 DISASSEMBLY INSTRUCTIONS 25 6 1 whole machine 26 6 2 Base subassembly 27 6 3 Back cover subassembly 27 6 4 Screen bracket subassembly 28 6 5 Front frame subassembly 28 6 6 Wire subassembly Connection Sketch Interpretat 29 6 6 1 Wire Photo 29 6 6 2 Components List 29 7 MEASUREMENTS AND ADJUSTMENTS 30 8 BLOCK DIAGRAM...

Page 4: ...se instructions Water and moisture Do not use your TV near water For example do not use it near a bath tub wash bowl kitchen sink laundry tub in a wet basement or near a swimming pool Cleaning Unplug your TV before cleaning Do not use liquid or aerosol cleaners Use only a damp cloth to clean the exterior of your TV Ventilation Slots and openings in the cabinet and the back or bottom are provided f...

Page 5: ...nnect the antenna or cable system This helps prevent damage to your TV from lightning and power line surges Servicing Do not attempt to service your TV yourself because opening or removing covers may expose you to angerous voltage or other hazards Refer all servicing to qualified service personnel Replacement parts When replacement parts are required make sure that the service technician uses repl...

Page 6: ...el contains almost 3 million thin film transistors which provide exceptionally sharp video quality Occasionally a few non active pixels may appear on the screen as a fixed blue green or red point These non active pixels do not adversely affect the performance of your TV and are not considered defects 2 Specification Model L26R1 C Screen size 26inch Aspect ratio 16 9 Resolution 1366X768 Response Ti...

Page 7: ...NENTS 3 1 Board Location No Parts number Description A Board Power Board B Board Main Board 3 2 Main Board 3 2 1 Function Description Main Board Process signal which incept from exterior equipment then translate into signal that panel can display Signal flowing chart ...

Page 8: ...3 2 2 Connector definition Power connector CNA1 MTk5380 ...

Page 9: ...mber Signal name Description 1 5V Supply the Power of bright and IR receiver 2 IR Receive IR signal 3 G Show green when TV standby 4 B Show blue when TV working 5 GND Ground 6 NC NC Pin number Signal name Description 1 GND Ground 2 AD0 Control Power CH CH 3 AD1 Control Menu V V INPUT Pin number Signal name Description 1 BKANJ Control the backlight of pannel 2 BKEN The system turn on or turn off th...

Page 10: ... use 17 A1P 2 LVDS VDD 10 Not use 18 A1N 3 LVDS VDD 11 Not use 19 A2P 4 LVDS VDD 12 Not use 20 A2N 5 Not use 13 A0P 21 GND 6 Not use 14 A0N 22 GND 7 GND 15 GND 23 CK1P 8 GND 16 LVDS_SEL 24 CK1N Pin number Signal name 25 A3P 26 A3N 27 GND 28 GND 29 Not use 30 Not use Pin number Signal name Description 1 18V Power of Audio power amp 2 18V Power of Audio power amp 3 GND Ground 4 GND Ground Pin number...

Page 11: ...ector definition CONNECTOR CON2 CONNECTOR CON4 CONNECTOR CON3 CON2 Signal name 1 24V 2 24V 3 24V 4 24V 5 24V 6 GND 7 GND 8 GND 9 GND 10 GND CON4 Signal name 1 4 12V 5 8 GND CON3 Signal name 1 ON OFF 2 GND 3 5VSB ...

Page 12: ...D GND 7 GND GND 8 GND GND 9 GND GND 10 RO 0 N ODD LVDS SINGAL 11 RO 0 P ODD LVDS SINGAL 12 RO 1 N ODD LVDS SINGAL 13 RO 1 P ODD LVDS SINGAL 14 RO 2 N ODD LVDS SINGAL 15 RO 2 P ODD LVDS SINGAL 16 GND GND 17 ROCLK ODD LVDS SINGAL 18 ROCLK ODD LVDS SINGAL 19 GND GND 20 RO 3 N ODD LVDS SINGAL 21 RO 3 P ODD LVDS SINGAL 22 NC NC 23 NC NC 24 GND GND 25 RE 0 P EVEN LVDS SINGAL 26 RE 0 N EVEN LVDS SINGAL ...

Page 13: ...ymbol Description 1 2 3 4 5 VBL 24V Power input 6 7 8 9 10 GND Ground 11 NC NC 12 BLON BL ON OFF 13 PWM Internal PWM Control 14 NC NC 4 INSTALLATION INSTRUCTIONS 4 1 External Equipment Connections Accessories Antenna Connection Generally speaking to enjoy a clearer picture we recommend that you use a CATV system or an outdoor antenna location and antenna positioning ...

Page 14: ...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 VCR connection ...

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Page 19: ...olution appropriately To get the best picture quality adjust the output resolution of the source device to 1280x720p Select HDMI input source in input source option of Select Main source menu When the source device DVD player or Set Top Box supports DVI How To Connect 1 Connect the source device to HDMI port of this TV with a HDMI to DVI cable not supplied with this product 2 A separated audio con...

Page 20: ...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 ...

Page 21: ...Power source Removing the table stand and installing a wall mount bracket ...

Page 22: ...as left right buttons 4 CH Press to scan through channels To scan quickly through channels press and hold down either In the MENU screen these buttons serve as up down buttons 5 POWER Press to turn on and off the TV 6 AV2 AUDIO IN Connect to hear stereo sound from an external device 7 HDMI3 IN Connect a signal from an external device to HDMI 8 AV2 VIDEO IN Connects the video signal from a video de...

Page 23: ...ect digital audio from an external device NOTE In standby mode these ports will not work 8 VIDEO Out Connect the second TV or monitor to the TV s AV OUT 9 AUDIO Out Connect the audio L R cables to the second TV s AV IN 10 VIDEO IN Connects the video signal from a video device 11 AUDIO IN Connect the audio L R cables from the Video signal source these jacks 12 S VIDEO IN Connect the S Video cable f...

Page 24: ...the remote control to shock or liquids Do not use the remote control in an area with high humidity Do not place the remote control in direct sunlight Do not place objects such as furniture between the remote control and the remote sensor The remote control may not work if direct sunlight or bright light shines on the remote sensor Either move your TV or change the angle at which you use the remote...

Page 25: ...emove the Pedestal Lay down the unit so that rear cover faces upward Remove the four screw from the rear cover indicated with Then remove the pedestal 3 Remove the power module Remove the four screws indicated on the figure above by Then remove the power module 4 Remove the Main board 5 Remove the speaker Remove the four screws take out the speaker ...

Page 26: ...cket subassembly Base subassembly LCD panel Power assembly PSU Wire subassembly Components List NO Name Description Parts number 1 Accessories Assembly 2 Packaging Assembly 3 TV Set 3 1 Support Stand Assembly 3 2 Back Cabinet Assembly 3 3 Flat Panel Bracket Assembly 3 3 1 Bracket Subassembly 3 3 2 Mainboard Assembly 3 4 LCD PANEL T260XW02 VM AU 3 5 Front frame subassembly 6 Remove the remote contr...

Page 27: ...6 2 Base subassembly NO Name Description Parts number 1 Support Stand Assembly 2 Support Stand Subassembly 3 Bolt GB9074 4 88 M4X12 6 3 Back cover subassembly ...

Page 28: ... assembly 2 2 Side AV label PVC 0 5mm 103 5 21mm 0 5 2 3 Back jack label 2 4 Screw SJ2824 87 ST4X12F Black 6 4 Screen bracket subassembly 1 2 Components List NO Name Description Parts number 1 Flat Panel Bracket Assembly 2 Flat Panel Bracket assembly 6 5 Front frame subassembly 1 2 ...

Page 29: ...ront frame assembly 2 1 Speaker 2 2 Key board 3 Screw 4 Remote Board 6 6 Wire subassembly Connection Sketch Interpretat 6 6 1 Wire Photo 6 6 2 Components List NO Name Description Parts number 1 Power input connect wire TJC6 5P 500mm D187T 2 24v power wire TJC3 10 600mm PH 14 600mm PH 4 ...

Page 30: ...ire PH 3 800mm PH 3 7 Speaker wire RoHS TJC3 4Y 800mm D187T 8 Side AV wire PH 5 300 PH 5 9 18v Power wire TJC3 4P 350mm TJC3 4P 7 MEASUREMENTS AND ADJUSTMENTS The way to the factory mode menu 1st press the manu button 2en input 8893 Finished these operations system will be into the factory mode menu 1 Version Info 2 Video ...

Page 31: ...3 Audio 4 Channel 5 Gamma ...

Page 32: ...6 BackLight 7 Function ...

Page 33: ...8 BLOCK DIAGRAM AND CIRCUIT DIAGRAM 8 1 BLOCK DIAGRAM 8 2 CIRCUIT DIAGRAM MTK5380 ...

Page 34: ... 1V HDMI2 MT5380P1 V2 V1 C 1 15 Sunday January 13 2008 INDEX MAIN POWER NUSTC_5380P1_V2_FOR HAIER Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn 3V3SB 5VSB 12V OPWRSB 5V OIRI OPCTRL3 ADIN2 ADIN1 LED_GRE OPCTRL3 ADIN1 ADIN2 GND LED_GRE LED_RED ADIN2_K1 ADIN1_K0 LED_CTL LED OPWRSB OIRI IR_IN ADIN2_K1 ADIN1...

Page 35: ...F16V D6 3H7 R519 100K R0603 SMD U4 IC LP2996 DDR Termination SOP 8 SOP8 SMD 1 2 3 4 5 6 7 8 GND SD VSENSE VREF VDDQ AVIN PVIN VTT R2 2K R0603 SMD R1 110 R0603 SMD CB64 0 1uF C0603 SMD U11 LT1084 TO 252 3 TO 252 3 SMD 3 1 2 IN ADJ GND OUT R11 180 R0603 SMD C301 NC 100nF C0603 SMD U1 AZ1117 adj SOT223 SMD 1 2 3 0 ADJ GND OUT IN OUT CE33 470uF 16V C470UF16V D8H9 CB33 0 1uF C0603 SMD R5 750 R0603 SMD ...

Page 36: ...MD U9 7805 TO 263 3 SMD 1 2 3 IN GND OUT CB32 0 1uF C0603 SMD CE96 220uF 16V C220UF10V D6 3H7 CB228 0 1uF C0603 SMD R14 180 R0603 SMD CB197 0 1uF C0603 SMD R19 0 R0603 SMD C575 1uF C0603 SMD CE19 470uF 16V C470UF16V D10H9 CB229 0 1uF C0603 SMD CE22 100uF 16V C100UF16V D6 3H7 C573 1uF C0603 SMD CE83 100uF 16V C100UF16V D6 3H7 CE30 100uF 16V C100UF16V D6 3H7 CE28 100uF 16V C100UF16V D6 3H7 U7 AZ1117...

Page 37: ... 0 1uF C0603 SMD R52 NS 100 R0603 SMD R28 10K R0603 SMD C21 5pF C0603 SMD R22 47K R0603 SMD R40 4 7K R0603 SMD R198 10K R0603 SMD CB2 0 1uF R27 1 R0603 SMD C22 1uF C0603 SMD R42 10 FB17 FB BEAD SMD 0603 H3 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 Q1 2N3904 SOT23 SMD 1 3 2 R199 NS 10K R0603 SMD R25 1K R0603 SMD R21 220 R0603 SMD CB70 0 1uF C0603 SMD Y1 60MHz CRYS 49US P4 88 R18 0 R0603 SMD R44 ...

Page 38: ...20 21 GND1 GND2 GND3 GND4 NC or OOB B1_ 5V GND or SIF O P GND or CVBS RF_AGC Mon NC or AFT NC or IF_AGC Mon NC or B2_Ana_ 5V TU_ 32V GND GND SCL SDA AS B_IF O P D_IF_AGC NC D_IF_O P_1 D_IF_O P_2 C42 0 01uF C0603 SMD C41 1uF C0603 SMD CE38 100uF 16V C100UF16V D6 3H7 C70 10nF C0603 SMD R34 5 1K 1 R0603 SMD FB34 FB BEAD SMD 0805 R1159 220K R0603 SMD C75 10nF C0603 SMD QF1 2N7002LT1 SOT23 SMD 1 3 2 C5...

Page 39: ...7 75x4 RN0603 SMD 1 2 3 4 5 6 7 8 CA20 0 1uF C0603 SMD CA5 0 1uF C0402 SMD RA8 75 R0603 SMD RNA4 47x4 RN0402 SMD 1 2 3 4 5 6 7 8 RA7 75 R0603 SMD RNA6 47x4 RN0402 SMD 1 2 3 4 5 6 7 8 RA14 100 R0603 SMD CA27 0 1uF C0603 SMD UA1 16M x 16 DDR TSOP 66 TSOP66 SMD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ...

Page 40: ...X JTMS JTRST_ JTCK JTDO JTDI OIRI R1209 0 R0603 SMD R54 10K R0603 SMD R45 4 7K R0603 SMD R1257 NC 4 7K R0603 SMD R61 4 7K R0603 SMD U17 M25P16 NS CASON8 SMD 1 2 3 4 5 6 7 8 S_ Q W_ VPP VSS D C HOLD_ VCC R1705 100R R0603 SMD R1703 100R R0603 SMD CB452 0 1uF C0603 SMD R1227 NC 4 7K R0603 SMD CB52 0 1uF C0603 SMD RN5 10K RN0603 SMD 1 2 3 4 5 6 7 8 R197 NC 10K R0603 SMD CA36 4 7uF 10V C0805 SMD CA37 0...

Page 41: ... NC SCHOTTKY DIODE B340A D SMA SMD C17 4 7uF 10v C0805 SMD R2116 68R D211 PESD1206Q 140 PESD1206Q 140 SMD 1 2 3 4 5 6 7 8 C720 100nF R2050 0 R2113 100K R2092 100 NC R2080 47K R2065 1K NS C725 100nF R2081 100 NC CN2 HDMI HAIER 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 SHELL1 SHELL2 D2 D2 Shield D2 D1 D1 Shield D1 D0 D0 Shield D0 CK CK Shield CK CE Remote NC DDC CLK DDC DATA GND 5V...

Page 42: ...CB1007 0 1uF C0603 SMD L153 NC FB R1206 SMD R2103 10K Q9 2N3904 SOT23 SMD 1 3 2 R2106 100 Q29 2N3904 SOT23 SMD 1 3 2 R123 100K R0603 SMD R2096 NS 0 L132 FB R1206 SMD CE72 100uF 16V C100UF16V D6 3H7 U76 AP1530 SOP 8 SOP8 SMD 1 2 3 4 5 6 7 8 FB EN OCSET Vcc O P O P Vss Vss FB12 NC R1206 SMD R401 10K R0603 SMD R2105 100 Q28 2N3904 SOT23 SMD 1 3 2 C85 1uF C0603 SMD R2102 10K R2072 4 3K R0603 SMD U13C ...

Page 43: ...3 R1184 68 R0603 SMD R38 1K R0603 SMD C363 10nF C0603 SMD CE648 10uF 10V R1206 R1836 10K R0603 SMD R1640 75 R0603 SMD C353 15pF C0603 SMD R1636 68 R0603 SMD R1842 10K R0603 SMD C636 4 7uF 6 3V C0603 SMD R1878 1K R0603 SMD D157 NS EZJZ0V800AA ESD0603 SMD 1 2 R36 22 R0603 SMD R1848 10K R0603 SMD R153 20K R0603 SMD R1830 NC 0 R0603 SMD R1831 75 R0603 SMD D160 NS EZJZ0V800AA ESD0603 SMD 1 2 R1833 75 R...

Page 44: ... C0603 SMD C134 5pF C0603 SMD R170 2K R0603 SMD FB68 80 100MHz BEAD SMD 0603 C135 10nF C0603 SMD D31 NS EZJZ0V800AA ESD0603 SMD 1 2 R160 0 R0603 SMD R169 68 R0603 SMD R181 0 R0603 SMD R171 75 R0603 SMD R182 10K R0603 SMD R161 0 R0603 SMD C137 5pF C0603 SMD FB69 80 100MHz BEAD SMD 0603 w red P82 RCA2X1 RCA2 HAIER 1 3 5 4 2 C136 10nF C0603 SMD D23 NS EZJZ0V800AA ESD0603 SMD 1 2 C141 5pF C0603 SMD R1...

Page 45: ... SMD D199 NS EZJZ0V800AA ESD0603 SMD 1 2 L34 0 L IND SMD 0603 R1592 100 R0603 SMD C459 47pF C0603 SMD R1525 47 R0603 SMD R79 100 R0603 SMD C111 NS 43pF C0603 SMD D147 NS EZJZ0V800AA ESD0603 SMD 1 2 R1560 100 R0603 SMD w red P80 RCA2X1 RCA2 HAIER 1 3 5 4 2 C567 10nF C0603 SMD R1858 47 R0603 SMD CB163 0 1uF C0603 SMD CE47 470uF 16V C470UF16V D10H9 CB162 0 1uF C0603 SMD R1882 1K R0603 SMD D197 NS EZJ...

Page 46: ...4 15 AV33 2 3 5 8 9 10 ASPDIF 10 12V 1 3 9 10 14 15 OFF_MUTE 14 AOLRCK 7 AOBCK 7 GPIO_ 4 11 4 8 9 14 15 OPCTRL1 4 11 3V3SB 1 2 4 7 8 9 AR2 14 AL2 14 HPDET 14 AIN3_L 10 AIN3_R 10 5VSB 1 2 11 15 GND 1 2 3 4 5 6 7 8 9 10 11 12 14 15 A0SDATA0 9 AOMCLK 9 AV33 AV33 AV33 AV33 AV33 3V3SB U13G MT5380 SMD LQFP LQFP256 SMD 5380 179 178 177 176 175 174 173 172 171 183 181 182 180 203 200 201 202 198 188 187 1...

Page 47: ...uF 16V C220UF16V D6H11 C655 4 7uF 6 3V C0603 SMD R1770 20K R0603 SMD C659 4 7uF 6 3V C0603 SMD CE20 220uF 16v C220UF16V D6H11 R64 C167 2 2nF C40 1uF C0603 SMD R1800 10K R0603 SMD R1766 20K R0603 SMD CB981 0 1uF C0603 SMD D16 NS 1N4148 1N4148 SMD R1767 20K R0603 SMD C170 10uF 6 3V R1206 C35 1uF C0603 SMD C660 4 7uF 6 3V C0603 SMD C702 4 7uF 6 3V C0603 SMD R1808 10K R0603 SMD R1616 1K R0603 SMD R279...

Page 48: ... SMD C661 0 1uF 50V C0603 SMD R1775 10K R0603 SMD FB72 150_Ohm_2A R1206 SMD 1 2 R17724 7K R0603 SMD C681 0 22uf C0603 SMD R1781 4 7K_DNS R0603 SMD C665 0 22uf C0603 SMD R1785 470 R0603 SMD 1 2 R1773 39K R0603 SMD R1784 NC R0603 SMD 1 2 CE630 47uF 16V C47UF16V D5H7 1 2 R1777 4 7K R0603 SMD D175 1N4148 1N4148 SMD C671 1500P C0603 SMD C672 1uF C0603 SMD Q62 MMBT3904 SOT23 1 2 3 C689 0 47uF 50V C DIP ...

Page 49: ...9 WIRING CONNECTION DIAGRAM 10 TROUBLE SHOOTING GUIDE 10 1 Simple check 10 1 1 LCD is not bright ...

Page 50: ...10 1 2 No picture First check cables which connect with PSU then check as follows 1 Check input voltage CNA1 2 Check output voltage CND1 ...

Page 51: ...hen check as follows 1 Check input voltage as NO picture 2 Check speaker output 10 2 PSU failure check State No power First check cables which connect with PSU then check as follows 1 Check PSU input voltage AC input CON1 2 Check PSU output voltage orderly CON2 ...

Page 52: ...y line TCP H L D Horizontal line light or dark forever Block Defect TCP cracking or cracking Dim or L D TCP Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure Failure Mode Part Name Description Phenomena Failure cause Panel or Polarlzer Dot Defect Bright dot dark dot in panel Incoming Inspecti...

Page 53: ...ointing bad 3 Panel and VSC connect bad Failure Mode Part Name Description Phenomena Failure cause White Screen B L normal only white screen display Black Screen B L normal only Black screen display Maybe caused by surge current and EDS FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abnormal Capacitance improper bring crosstalk inside LCD panel Circuit Abnormal Color Only color abn...

Page 54: ...ation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short between lamp housing and wire Because consume power too much F M F M in B L white back Rotundity or wire like F M in B L unit Failure Mode Part Name Description Phenomena Failure cause Light leakage Brightness at bottom of LCM brighter than normal B L u...

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