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Haier HL26P2 Service Manual Download Page 43

9-2. Main board failure check 

State: No Sound

 

No Sound 

(All Mode) 

Check the input   

        Source 

Change Source input 

Check the 

input/output 

Re-soldering or change 

IC U13 

Check the 

input/output 

Re-soldering or change 

IC U55 

Check the 

input/output 

Re-soldering or change 

IC U2 

Check the 

Speaker 

Change the Speaker 

Check the 

Sperker wire 

fail

fail

fail

fail

fail

pass

pass

pass

pass

pass

IC U603

IC U401

IC U601

  Service Manual

  Model No.: 

- 42 -

Speaker wire

Summary of Contents for HL26P2

Page 1: ...als 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 Haier Group 2009 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorize...

Page 2: ...stal 7 8 8 8 8 11 12 14 14 4 2 Remove the Back Cover 14 4 3 Remove the Adhesive Tape 14 4 4 Remove the Terminal Bracket 15 4 5 Remove the Power Module 15 4 6 Remove the Main Board 15 4 7 Remove the Speaker 16 4 8 Remove the Remote Control Board 16 5 Installation Instructions 16 5 1 External Equipment Connections 16 5 2 HDMI Connections 20 6 Operation Instructions 23 6 1 Front Panel Controls 6 2 Ba...

Page 3: ...Service Manual Model No 02 9 Trouble shooting 41 9 1 Simple Check 41 9 2 Main Board Failure Check 9 3 Panel Failure 42 43 ...

Page 4: ...ctions in the literture accompanying the appliance 1 3 2 Be careful to the electrical shock To prevent damage which might result in electric shock or fire do not expose this TV set to rain or excessive moisture This TV must not be exposed to dripping or splashing water and objects filled with liquid such as vases must not be placed on top of or above the TV 1 3 3 Electro static discharge ESD Some ...

Page 5: ...eiver only the test fixtures specified in this service manual CAUTION Do not connect the test fixture ground strap to any heat sink in this receiver 3 Do not spray chemicals on or near this receiver or any of its assemblies 4 Unless specified otherwise in this service manual clean electrical contacts only by applying the following mixture to the contacts with a pipe cleaner cotton tipped stick or ...

Page 6: ...atic 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 components The following techniques should be used to help reduce the ncidence of component damage caused by static by static electricity 4 Use only an anti static type solder removal device Some ...

Page 7: ...bed in the table below Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal...

Page 8: ...Color Display 16777216 No of Preset Channels Cable 1 135 Air 2 69 ATV DTV OSD Language English Color System NTSC PAL SECAM Audio System M Audio Output Power Built in W 5W 2 Audio Output Power outer W No Total Power Input W 130W Voltage Range V AC100V 240V Power Frequency Hz 50 60Hz Net Weight KG 8 4 Gross Weight KG 10 Net Dimension MM 660x215x500 Packaged Dimension MM 861x171x546 ...

Page 9: ...rvice Manual Model No 3 Location of Controls and Components 3 1 Board Location No Part Number Description A Board 515C2606M05 Main Board B Board 514C2601M02 Power Board 3 2 Main Board AV Board A Board B Board ...

Page 10: ...1 GND 2 BL 2 GND 3 DIM 3 5V 4 high voltage 4 5V 5 GND 5 POWER ON OFF 6 5VSTB 7 5V 8 5V 9 GND 10 GND 11 GND 12 12V 13 12V Notes J1 Pin 2 Backlight on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN101 Pin 5 System power on standby System board will use this pin to control system power J1 Pin 3 Control the luminance of backlight The system ...

Page 11: ...Pin number Signal name Description 1 LED_R LAMP RED 2 LED_G LAMP GREEN 3 4 IR REMOTE CONTROL 5 GND GND 6 5V POWER FOR REMOTE Pin number Signal name Description 1 KEY1 2 KEY0 3 GND Remote connector CN404 Keypad and connector CN406 ...

Page 12: ...e Manual Model No 11 Speaker connector CN601 Pin number Signal name Description 1 RSPK RSPK 2 RSPK RSPK 3 LSPK LSPK 4 LSPK LSPK CN11 CN10 Pin number Signal name Pin number Signal name 1 5V 1 GND 2 BL 2 GND 3 DIM 3 5V 4 high voltage 4 5V 5 GND 5 POWER ON OFF 6 5VSTB 7 5V 8 5V 9 GND 10 GND 11 GND 12 12V 13 12V ...

Page 13: ...3 4 LCD Panel 12 Service Manual Model No CMO V260B1 P31 ...

Page 14: ...e transmission data of pixel 1 10 GND G round 11 RX2 Negative transmission data of pixel 2 12 RX2 Positive transmission data of pixel 2 13 GND G round 14 RXCLK N egative of clock 15 RXCLK Positive of clock 16 GND G round 17 RX3 Negative transmission data of pixel 3 18 RX3 Positive transmission data of pixel 3 19 GND G round 20 NC No connection 2 21 SELLVDS S elect LVDS data format 3 22 NC No conne...

Page 15: ...move the adhesive tape indicated on the figure above Lay down the unit so that rear cover faces upward Remove the four 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 Then remove the back cover from the unit Service Manual Model No 14 ...

Page 16: ... the side 4 5 Remove the power module Remove the four screw indicated on the figure above by Then remove the power module 4 6 Remove the Main board Remove the two screw indicated on the figure above by Disconnected the coupler CN405 J1 CN101 CN406 CN404 CN901 CN601 CN402 Remove the Main board Service Manual Model No 15 ...

Page 17: ...ut 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 Remote Control User GUIDE Battery Service Manual Model No 16 ...

Page 18: ...your TV DVD combo then connect the other end of the cable into the antenna or cable TV wall outlet To improve picture quality from an antenna in a poor signal area install a signal amplifier If you need to split the antenna signal to connect two TVs install a two way splitter Service Manual Model No 17 ...

Page 19: ...V with different input sources Choose the connection which is best for you VCR connection It can be connected to the following appliances VCR multi disc player DVD camcorder video game or stereo system etc YPbPr can support these video fomats 480i 576i 480p 576p 720p 1080i Note 1 AV2 share the audio input channel 2 When HDMI port get DVI signal the PC Audio channel is changed to receive the audio ...

Page 20: ...Service Manual Model No 19 ...

Page 21: ... 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 connection is necessary 3 If the source device has an analog audio output connector connect the source device audio output to DVI Audio In port located on the PC port How To Use If the sour...

Page 22: ...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 Service Manual Model No 21 ...

Page 23: ... the attached power cord only If the polarized AC cord does not fit into a non polarized AC outlet do not attempt to file or cut the blade It is the user s responsibility to have an electrician replace the obsolete outlet If you cause a static discharge when touching the unit and the unit fails to function simply unplug the unit from the AC outlet and plug it back in The unit should return to norm...

Page 24: ...ress 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 4 VOL VOL Adjust sound level In MENU mode press VOL or VOL to adjust the item that you selected 5 STANDBY Press this button to turn the unit ON from STANDBY mode Press it again to turn the set back to STANDBY Service Manual Model No 23 ...

Page 25: ...6 3 Setting Up Your Remote Control Service Manual Model No 24 ...

Page 26: ...7 Electrical parts 7 1 Block diagram Service Manual Model No 25 MSD 118C Main IC AMP ...

Page 27: ...R K 7 4 9 4 1 C F u 1 0 9 4 1 C F u 1 0 6 0 1 R R 0 1 5 6 0 1 R R 0 1 5 8 2 1 R K 7 4 8 2 1 R K 7 4 6 2 1 C F u 1 0 6 2 1 C F u 1 0 7 4 1 C F u 1 0 7 4 1 C F u 1 0 4 1 1 B F 2 4 C N 5 0 8 0 A 4 4 1 1 B F 2 4 C N 5 0 8 0 A 4 8 2 1 C F u 1 0 8 2 1 C F u 1 0 7 1 1 B F 2 4 6 0 2 1 A 4 7 1 1 B F 2 4 6 0 2 1 A 4 EC256 220uF 16V EC256 220uF 16V 6 5 1 C F u 2 2 6 5 1 C F u 2 2 8 1 1 R R 0 7 4 8 1 1 R R 0 ...

Page 28: ... 1 0 2 C F u 0 1 F n 0 1 7 1 2 C F n 0 1 7 1 2 C 6 3 2 C F n 1 C N 6 3 2 C F n 1 C N 5 0 2 R K 7 4 5 0 2 R K 7 4 2 0 2 Q 4 0 9 3 2 0 2 Q 4 0 9 3 1 3 2 0 3 2 C F u 1 c n 0 3 2 C F u 1 c n 1 0 2 L H u 2 2 1 0 2 L H u 2 2 9 3 2 C F n 1 C N 9 3 2 C F n 1 C N 6 4 2 C F u 1 0 C N 6 4 2 C F u 1 0 C N 1 4 2 C F u 0 1 C N 1 4 2 C F u 0 1 C N 3 0 2 L W 8 1 H u 0 0 1 C N 3 0 2 L W 8 1 H u 0 0 1 C N 2 2 2 C F...

Page 29: ...u 1 0 8 0 4 C F u 1 0 8 0 4 C RX403 V800AA RX403 V800AA 1 0 4 Y z H M 2 1 1 0 4 Y z H M 2 1 4 3 4 R K 7 4 4 3 4 R K 7 4 1 5 4 C F n 1 1 5 4 C F n 1 6 5 4 R K 1 C N 6 5 4 R K 1 C N C417 10uF 6 3V C417 10uF 6 3V 3 1 4 C F u 0 1 3 1 4 C F u 0 1 2 1 4 C F n 1 2 1 4 C F n 1 2 6 2 R K 7 4 2 6 2 R K 7 4 RX404 V800AA RX404 V800AA 5 1 4 R K 1 5 1 4 R K 1 R 0 8 6 4 R R 0 8 6 4 R 3 0 4 Q 6 0 9 3 3 0 4 Q 6 0 ...

Page 30: ...u 1 0 8 0 4 C F u 1 0 8 0 4 C RX403 V800AA RX403 V800AA 1 0 4 Y z H M 2 1 1 0 4 Y z H M 2 1 4 3 4 R K 7 4 4 3 4 R K 7 4 1 5 4 C F n 1 1 5 4 C F n 1 6 5 4 R K 1 C N 6 5 4 R K 1 C N C417 10uF 6 3V C417 10uF 6 3V 3 1 4 C F u 0 1 3 1 4 C F u 0 1 2 1 4 C F n 1 2 1 4 C F n 1 2 6 2 R K 7 4 2 6 2 R K 7 4 RX404 V800AA RX404 V800AA 5 1 4 R K 1 5 1 4 R K 1 R 0 8 6 4 R R 0 8 6 4 R 3 0 4 Q 6 0 9 3 3 0 4 Q 6 0 ...

Page 31: ...S 1 A B R D S 0 1 S Q D R D S 0 1 M Q D R D S K B 4 X t i b 6 1 X M 2 R 6 5 3 0 5 R R 6 5 3 0 5 R 8 0 5 C F u 1 0 8 0 5 C F u 1 0 R 2 2 8 0 5 R R 2 2 8 0 5 R 7 0 5 C F u 1 0 7 0 5 C F u 1 0 3 0 5 C F u 1 0 3 0 5 C F u 1 0 1 0 5 C F n 1 1 0 5 C F n 1 R 6 5 7 0 5 R R 6 5 7 0 5 R R 0 5 1 6 0 5 R R 0 5 1 6 0 5 R 6 0 5 P R R 2 2 6 0 5 P R R 2 2 1 3 5 7 8 6 4 2 1 0 5 U 0 4 C L H 8 3 6 1 5 5 D 4 K 1 0 5 ...

Page 32: ... 7 4 C N 2 4 6 C F u 1 0 2 4 6 C F u 1 0 R 0 C N 6 3 6 R R 0 C N 6 3 6 R 3 4 6 R K 0 1 _ C N 3 4 6 R K 0 1 _ C N 1 0 6 C V 0 1 F u 0 1 1 0 6 C V 0 1 F u 0 1 2 1 6 R R 2 2 C N 2 1 6 R R 2 2 C N R616 NC 1M R616 NC 1M K 7 4 C N 4 1 6 R K 7 4 C N 4 1 6 R 9 7 6 R K 1 9 7 6 R K 1 F p 0 0 1 C N 0 8 4 C F p 0 0 1 C N 0 8 4 C K 1 9 4 6 R K 1 9 4 6 R 6 7 6 R K 1 6 7 6 R K 1 8 4 6 R K 2 8 4 6 R K 2 R 0 0 1 7...

Page 33: ...3 1 2 3 1 5 7 R K 7 4 1 5 7 R K 7 4 F u 2 2 9 0 7 C F u 2 2 9 0 7 C 7 2 7 R R 5 7 7 2 7 R R 5 7 R736 4 7K R736 4 7K RX606 V800AA RX606 V800AA 2 4 7 R R 0 2 4 7 R R 0 7 4 7 R K 7 4 7 4 7 R K 7 4 R 7 4 9 2 7 R R 7 4 9 2 7 R 3 5 7 R K 2 1 3 5 7 R K 2 1 2 2 7 C p 0 6 5 C N 2 2 7 C p 0 6 5 C N R 0 1 C N 5 4 7 R R 0 1 C N 5 4 7 R 3 3 7 C F u 0 1 3 3 7 C F u 0 1 R 0 0 1 8 3 7 R R 0 0 1 8 3 7 R F u 2 2 0 ...

Page 34: ... RX801 V800AA RX801 V800AA R 0 7 4 3 0 8 R R 0 7 4 3 0 8 R RX802 V800AA RX802 V800AA 5 1 8 R R 0 5 1 5 1 8 R R 0 5 1 F u 2 2 3 0 8 C F u 2 2 3 0 8 C 1 2 8 R R 0 1 2 8 R R 0 RX806 V800AA RX806 V800AA 4 1 8 R R 0 5 1 4 1 8 R R 0 5 1 7 1 8 R R 0 1 7 1 8 R R 0 1 5 2 8 R 5 7 5 2 8 R 5 7 0 2 1 4 0 8 L 0 2 1 4 0 8 L 0 2 8 C F u 1 0 0 2 8 C F u 1 0 R 7 4 2 0 8 R R 7 4 2 0 8 R 1 2 8 C F n 7 4 1 2 8 C F n 7...

Page 35: ...C p 0 6 5 C N 7 0 9 C p 0 6 5 C N 4 0 9 X R A A 0 0 8 V 4 0 9 X R A A 0 0 8 V 3 0 9 N C r e w o p D V D 0 2 P 4 3 0 9 N C r e w o p D V D 0 2 P 4 1 1 2 2 3 3 4 4 7 4 6 0 9 R 7 4 6 0 9 R 2 1 9 R R 0 0 1 2 1 9 R R 0 0 1 1 0 9 X R A A 0 0 8 V 1 0 9 X R A A 0 0 8 V R 0 0 1 5 0 9 R R 0 0 1 5 0 9 R 2 0 9 X R A A 0 0 8 V 2 0 9 X R A A 0 0 8 V 6 1 9 R K 2 1 6 1 9 R K 2 1 R 0 0 1 7 0 9 R R 0 0 1 7 0 9 R 9 ...

Page 36: ...R 0 8 D C 4 5 T A B 0 8 D C 4 5 T A B 3 1 2 8 1 3 R K 2 2 8 1 3 R K 2 2 EC9 2 2uF 16V EC9 2 2uF 16V 7 2 3 R K 7 4 C N 7 2 3 R K 7 4 C N RX466 V800AA RX466 V800AA RX448 V800AA RX448 V800AA EC8 100uF 16V EC8 100uF 16V RX475 V800AA RX475 V800AA 9 2 7 C F u 1 0 9 2 7 C F u 1 0 RX463 V800AA RX463 V800AA k 7 4 1 7 2 R k 7 4 1 7 2 R 4 9 2 R K 2 2 4 9 2 R K 2 2 3 4 3 R K 7 2 3 4 3 R K 7 2 9 N O C 0 1 2 0 ...

Page 37: ...tion Wire Control for USB INPUT 2 3 4 5 6 7 Connection Wire For Keyboard Connection Wire For Speaker Connection Wire For SIDE AV INPUT Connection Wire For Remote LVDS Wire Connection Wire Power For Mainboard 1 2 3 4 6 7 5 Service Manual Model No 36 ...

Page 38: ...8 TV OPERATION Service Manual Model No 37 ...

Page 39: ...Service Manual Model No 38 ...

Page 40: ...Service Manual Model No 39 ...

Page 41: ...Service Manual Model No 40 ...

Page 42: ...9 Trouble shooting 9 1 Simple check Service Manual Model No 41 ...

Page 43: ...put output Re soldering or change IC U13 Check the input output Re soldering or change IC U55 Check the input output Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire fail fail fail fail fail pass pass pass pass pass IC U603 IC U401 IC U601 Service Manual Model No 42 Speaker wire ...

Page 44: ...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 V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D H o r i z o n t a l line light or dark forever Service Manual Model No 43 ...

Page 45: ...arizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F M i n s i d e Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing B r i g h t a n d d a r k display alternately Service Manual Model No 44 ...

Page 46: ...ge current and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 I C s h o r t o r jointion bad 3 Pannel and vsc connect bad Service Manual Model No 45 ...

Page 47: ...ss between wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation 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 bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundi...

Page 48: ...ause Mechanlcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No 47 ...

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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