Haier HL26R1 - R-Series - 26" LCD TV Service Manual Download Page 29

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IIC ADDRESS "A0"

TXC

POWER DOWN RESET# CIRCUIT

For PDP use.

REMOVE RESET IC(UNUSED)

DV33

GND

OXTALO

+3V3SB

ORESET#

OPWM1

OXTALI

GPIO_0

GPIO_4

GPIO_5

GPIO_6

GPIO_7

GPIO_8

GPIO_10

GPIO_11

U2RX GPIO_12

U2TX GPIO_13

OSDA0

OSDA1

OSCL0

OSCL1

CEC

OPCTRL2

AVDD33_REG

AVDD33_XTAL

AVDD33_REG

C_XREG

OPWRSB

AVCC_SRV

OSDA1

OSCL1

OSDA0

OSCL0

AVDD33_XTAL

OXTALO

GPIO_[4..11]

OPCTRL2

GPIO_0

CEC

OXTALI

DV10

OSCL0

U2RX

U2TX

GPIO_9

OPCTRL1

PWRDET

C_XREG

OSCL0

OSDA0

GPIO_0

GPIO_1

ADIN1

OPCTRL3

ADIN2

ADIN1

OPCTRL3

GPIO_3

GPIO_7

GPIO_5

VCXO

OPWM0

ADIN4

OPCTRL0

ORESET#

OPWM1

OSDA0

OPCTRL4

OPCTRL5

OPCTRL4

OPCTRL5

OPWM2

+5V

GND

1,2,3,5,6,7,8,9,10,11,12,13,14,15

DV33

2,7,9,14

+3V3SB

1,2,7,8,9,10,13

OPWRSB

OSDA1

OSCL1

GPIO_[4..11]

8,9,13,15

OPCTRL2

CEC

DV10

2,7

U2RX

U2TX

OPCTRL1

11,13

OSCL0

9,14

OSDA0

9,14

GPIO_0

GPIO_1

ADIN2

ADIN1

OPCTRL3

GPIO_3

GPIO_7

GPIO_5

VCXO

OPWM0

ADIN4

OPWM1

OPCTRL4

7,11

OPCTRL5

OPWM2

3,7

+5V

1,2,3,5,8,9,10,15

DV33

+3V3SB

DV33

+3V3SB

DV33

+3V3SB

DV33

DV33

+5V

HOLE/GND

0.1uF

C0402/SMD

R52

NS/100

R0603/SMD

R28

10K

R0603/SMD

C21

5pF->20pF

C0402/SMD

R22

47K

R0603/SMD

R40

4.7K

R0603/SMD

R198

10K

R0603/SMD

R27

R0603/SMD

C22

1uF

C0402/SMD

CB2

0.1uF/NC

FB17

BEAD/SMD/0603

HOLE/GND

R42

10/NC

2N3904

SOT23/SMD

R199

NS/10K

R0603/SMD

R25

R0603/SMD

R21

220

R0603/SMD

CB70

0.1uF

C0402/SMD

60MHz

CRYS/49US/P4.88

R18

100->0R

R0603/SMD

R44

470/NC

R30

R0603/SMD

R1886

10K/NC

R0603/SMD

R15

0/NC

R0603/SMD

R35

NS/2.7K

R0603/SMD

CE3

47uF/16v/NC

R72

R0603/SMD

CB73

0.1uF

C0402/SMD

1N4148

1N4148/SMD

U14

EEPROM 24C16

SOP8/SMD

GND

SDA

SCL

VCC

FB18

BEAD/SMD/0603

R77

NC/0R

R0603/SMD

R39

4.7K

R0603/SMD

CB71

0.1uF

C0402/SMD

2N3904/NC

CE37

220uF/16v

C220UF10V/D6H11

C20

5pF

C0402/SMD

FB16

BEAD/SMD/0603

22pF

C0402/SMD

U13B

MT5380 SMD LQFP

LQFP256/SMD/5380/9

245

246

209

210

211

212

213

214

216

217

218

206

207

193

204

205

150

151

152

153

154

149

146

145

148

147

GPIO_0

GPIO_1

GPIO_3

GPIO_4

GPIO_5

GPIO_6

GPIO_7

GPIO_8

GPIO_9

GPIO_10

GPIO_11

GPIO_12

GPIO_13

OSDA0

OSCL0

OSDA1

OSCL1

OPWM0

OPWM1

OPWM2

OPWRSB

OPCTRL0

OPCTRL1

OPCTRL2

OPCTRL3

OPCTRL4

OPCTRL5

ORESET_

C_XREG

AVDD33_REG

ADIN0

ADIN1

ADIN2

ADIN3

ADIN4

AVDD33_SRV

XTALI

XTALO

VCXO

AVDD33_XTAL

CB72

0.1uF

C0402/SMD

1N4148/NC

R20

R0603/SMD

R31

1000K

R0603/SMD

L36

820nH

BEAD/SMD/0603

C25

4.7uF/10V

C0805/SMD

C18

1uF

C0402/SMD

22pF

C0402/SMD

C27

1uF

C0402/SMD

HOLE/GND

C532

1nF

C0402/SMD

R43 0/NC

Q37

2N3904

SOT23/SMD

R51

NS/150

R0603/SMD

Summary of Contents for HL26R1 - R-Series - 26" LCD TV

Page 1: ...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 COLOR TV Model No HL26R1 CHASSIS MTK5380L 2009 Qingdao Electronics limited company All rights reserved Unauthorized copying...

Page 2: ...over 13 4 3 Remove the Main board and power module 13 4 4 Remove the the Keypad Assembly 13 4 5 Remove the speaker 13 4 6 Remove the side AV plastic board 13 4 7 Remove the remote control board 13 5 Installation Instructions 14 5 1 External Equipment Connections 14 5 2 HDMI Connections 16 6 Operation Instructions 22 6 1 Front Panel Controls 22 6 2 Back Panel Controls 23 6 3 Universal Remote Contro...

Page 3: ...ter into Service Mode 42 8 1 2 How to exit 42 8 2 Measurements and Adjustments 42 9 Trouble shooting 48 9 1 Simple check 48 9 2 Power Supply Board failure check 49 9 3 Main board failure check 50 9 4 Pannel failure 52 ...

Page 4: ... operating and maintenance instructions in the literture accompanying the appliance 1 2 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 place on top of or above the TV 1 2 3 El...

Page 5: ...ester External exposure metal Antenna terminal Headphone jack 1 2 7 Ordering Spare Parts Please include the following informations when you order parts Particularly the Version letter 1 Model number and Version letter The model number can be found on the back of each product and the Version letter can be found at the end of the serial number 2 Part No and Description You can find them in your serv...

Page 6: ...his manual where he she will find additional information on a specific topic 2 Specification Model Screen size Aspect ratio 16 9 Resolution Contrast Ratio Angel of view Color display 16 7M OSD language English Color system ATSC NTSC Audio system DK BG I LL Audio output power Built in W Audio output power outer W No Total power input W Voltage range V 120V 10 V Power frequency Hz 60HZ Time of sleep...

Page 7: ...r Board 3 1 Board Location No Parts number Description 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 DC1650E0100M ...

Page 8: ...light on off The system can turn on or turn off the backlight of TFT LCD Panel through the power supply unit path CN1 Pin1 Control the luminance of backlight The system can generate the PWN signal to control the strength of TFT LCD Panel s backlight through this connector CNA2 Pin number Signal number 1 24V 16 5V 2 24V 16 5V 3 GND 4 GND Remote connector CNE1 Pin number Signal number 1 5VSB 2 IR_IN...

Page 9: ...r connector CNC1 Pin number Signal number 1 SPEA_L 2 SPEA_L 3 SPEA_R_ 4 SPEA_R Other connectors CNB2 to Upgrade the program of MTK5380L U13 AND FLASH U17 3 3 Power Board 3 3 1 Function Description Supply power for Main board Panel 3 3 2Connectordefinition CON2 ...

Page 10: ...CON3 CON4 CON5 ...

Page 11: ...3 4 LCD Panel 3 4 1 Function Description Display the signal 3 4 2 Connector definition ...

Page 12: ...4 Disassemble and assemble ...

Page 13: ...NS four M3 8 four M3 10 two M3x8 screws 4 1 Remove the Pedestal 4 2 Remove the Back Cover 4 3 Remove the Main board and power supply 4 4 Remove the Keypad Assembly 4 5 Remove the speaker 4 6 Remove the side AV plastic board 4 7 Remove the remote control board ...

Page 14: ...rove the picture quality in a poor signal area please purchase a signal amplifier and install properly If the antenna needs to be split for two TV s install a 2 Way Signal Splitter in the connections To install the antenna properly please contact a professional in your area Accessories Remote control Owner s manual Alkaline battery AAA 2 Please READ this manual carefully before operating your TV a...

Page 15: ...ent input sources External Equipment Choose Y To avoid picture noise interference leave an adequate distance between the VCR and TV Connection Option 1 Set VCR output switch to channel 3 or 4 and then tune the TV to the same channel number Connection Option 2 1 Connect the audio and video cables from the VCR s output jacks to the TV input jacks as shown in the figure When connecting the TV to VCR ...

Page 16: ...o the S VIDEO input on the TV as shown in the figure Note If your DVD player does not have component video output use S Video How to use 1 Turn on the DVD player insert a DVD 2 Use INPUTbutton on the remote control to select component mode 3 Press Play button on external equipment for program play 4 Refer to the DVD player s manual for operating instructions How to connect Connect the audio and vi...

Page 17: ... top box 2 Use INPUT on the remote control to select COMPONENT VGA or HDMI source Send the TV s audio to external audio equipment stereo system via the Digital Audio Output Optical port How to connect 1 Connect one end of an optical cable to the TV Digital Audio Optical Output port 2 Connect the other end of the optical cable to the digital audio optical input on the audio equipment See the extern...

Page 18: ... isset to Plugand Play automaticallyby theTV 3 Then make thecorresponding audioconnection Ifusing asound card adjust the VGA sound as required How touse 1 Turnon the computerand theTV 2 UseINPUT onthe remotecontrol toselect VGAor HDMIsource 3 Check the image on your TV There may be noise associated with the resolution vertical pattern contrast or brightness in VGAmode If noiseis present changethe ...

Page 19: ...hen 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 Aseparated 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 left side of HDMI port How To Use If t...

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 Cable sample ...

Page 21: ...et 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 normal operation Polarized AC Cord Plug AC Outlet Wider Hole and Blade You can connect a set of headphones to your set if you wish to watch a TV programme without disturbing the other people in the room Connecting Headphone...

Page 22: ...t terminal 10 HDMI IN Connect a 11 Remote Sensor Receives signals from the remote control Do not put anything near the sensor Press to access the on screen menu display access Press repeatedly to change the source to the one you want to watch In the MENU screen the INPUT button serves as the ENTER button USB input Connect a USB flash drive to view JPEG images or listen to MP3 songs IR which may bl...

Page 23: ... VGA Video In Connect a video cable from a computer to this jack 7 VIDEO In Connects the video signal from a video device 8 In Connect a component video device to these jacks 9 AUDIO In Connect the audio L R cables from the video signal source to these jacks 10 S VIDEO In Connect the S Video cable from an external signal source to this jacks 11 COMPONENT AUDIO In Connect the audio L R cables from ...

Page 24: ... example to enter 54 3 press 54 and 3 19 RECALL Press to jump back and forth between two channels 20 CHANNEL UP DOWN 21 EXIT Clears all on screen displays and returns to TV viewing from any menu 22 23 DISPLAY 24 Functions Rewind Fast backward Forward Stop Play Pause REC 25 FREEZE Press once to display a frozen image of the current program but audio continues Press again to return to the program 26...

Page 25: ...7 Electrical parts 7 1 Block diagram 7 2 Circuit Diagram MTK5380L MT8292 TPA3101 ...

Page 26: ...IO_3 ADIN1 DVD_5V DVD_5V IR_IN GND GND SW_NODE 3V3SB ADIN2_K1 ADIN1_K0 GND GND ADIN2_K1 ADIN1_K0 DVD_PW 5V GPIO_3 DVD_5V 3V3SB 2 4 7 8 9 10 13 12V 3 9 15 5V 2 3 4 5 8 9 10 15 OPWRSB 4 5VSB 2 11 15 GND 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ADIN2 4 OPCTRL3 4 OIRI 7 ADIN1 4 IR_IN 10 GPIO_3 4 DVD_5V 5VSB 3V3SB 5VSB 3V3SB 5VSB 5V 5VSB 12V 5VSB 3V3SB 5VSB 5VSB 12V 5V TP88 TP83 CE641 470uF 16V R8 0 R0603 SMD...

Page 27: ...LT1084 TO 252 3 TO 252 3 SMD 3 1 2 IN ADJ GND OUT R11 180_1 R0603 SMD C301 0 1uF C0402 SMD U1 AZ1117 adj SOT223 SMD 1 2 3 ADJ GND OUT IN CE33 470uF 16V C470UF16V D8H9 R5 1K_1 R0603 SMD CB33 0 1uF C0402 SMD CE2 100uF 16V C100UF16V D6 3H7 C302 100nF C0402 SMD CE15 100uF 16V C100UF16V D6 3H7 CB5 0 1uF C0402 SMD U6 AZ1117 adj SOT223 SMD 1 2 3 ADJ GND OUT IN U3 AP1513 SOP 8 SOP8 SMD 1 2 3 4 5 6 7 8 FB ...

Page 28: ...F10V D6 3H7 Q16 NC 2N3904 1 3 2 CB228 0 1uF C0402 SMD R14 180_1 R0603 SMD CB197 0 1uF C0402 SMD R19 0 R0603 SMD C540 NC 330pF C0402 SMD C575 1uF C0402 SMD CE19 47uF 16V C47UF16V D5H7 CB229 0 1uF C0402 SMD CE22 100uF 16V C100UF16V D6 3H7 C573 1uF C0402 SMD CE83 100uF 16V C100UF16V D6 3H7 CE30 100uF 16V C100UF16V D6 3H7 CE28 100uF 16V C100UF16V D6 3H7 U7 AZ1117 adj SOT223 SMD 1 2 3 ADJ GND OUT IN U3...

Page 29: ... R0603 SMD R40 4 7K R0603 SMD R198 10K R0603 SMD R27 1 R0603 SMD C22 1uF C0402 SMD CB2 0 1uF NC 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 R42 10 NC Q1 2N3904 SOT23 SMD 1 3 2 R199 NS 10K R0603 SMD R25 1K R0603 SMD R21 220 R0603 SMD CB70 0 1uF C0402 SMD Y1 60MHz CRYS 49US P4 88 R18 100 0R R0603 SMD R44 470 NC R30 33 R0603 SMD R1886 10K NC R0603 SMD R15 0 NC R0603 SMD R35 ...

Page 30: ...C41 1uF C0402 SMD L8 390nH C42 0 01uF C0402 SMD FB61 NS FB CE38 100uF 16V C100UF16V D6 3H7 R34 5 1K 1 R0603 SMD FB34 FB BEAD SMD 0805 FB58 FB NC L26 220nH CE31 470uF 16v 220uF 16v C142 33pF T2 TD1636EF MK2 TD1636F_V 12 13 14 15 2 1 3 5 6 9 10 4 7 11 8 GND GND GND GND VT ANT POWER RF_AGC SCL SDA IF AGC DIF AS 5V IF DIF AS_IF C696 33pF C0402 SMD C57 4 7uF 10V C0805 SMD CB86 0 1uF NC C0603 SMD L152 N...

Page 31: ...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 C0402 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 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 VDD DQ0 VDDQ DQ1 DQ2 VSSQ DQ3 DQ4 VDDQ DQ5 DQ6 VSSQ DQ7 NC VDDQ LDQS NC...

Page 32: ...C R1703 100R R0603 SMD R1705 100R R0603 SMD R1227 NC 4 7K R0603 SMD CB452 0 1uF C0402 SMD CB52 0 1uF C0402 SMD R197 NC 10K R0603 SMD RN5 10K RN0603 SMD 1 2 3 4 5 6 7 8 CA36 4 7uF 10V C0805 SMD CA37 0 1uF C0402 SMD CB53 0 1uF C0402 SMD CA39 0 1uF C0402 SMD C45 1uF C0402 SMD CA41 0 1uF C0402 SMD R1226 NC 4 7K R0603 SMD R56 33 R0603 SMD R1208 0 R0603 SMD R62 100 CB55 0 1uF C0402 SMD R200 NC 10K R0603...

Page 33: ...12 13 14 15 16 17 18 19 22 23 24 25 26 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 HP DET SHELL3 SHELL4 SHELL5 SHELL6 SHELL7 D219 1 2 D245 1 2 C731 0 1uF R66 50 R0402 SMD R2120 1M CN8 HDMI HAIER HDMI HAIER_JAE 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 24 25 26 SHELL1 SHELL2 D2 D2 Shield D2 D1 D1 Shield D1 D0 D...

Page 34: ...CB216 0 1uF C0402 SMD L153 FB R1206 SMD R2103 10K CE52 470uF 16V 100uF C470UF16V D8H9 TP42 TEST R2106 100 Q29 2N3904 SOT23 SMD 1 3 2 R2096 NS 0 FB12 FB nc R1206 SMD R2105 100 R126 47K NC R0603 SMD R401 10K R0603 SMD Q28 2N3904 SOT23 SMD 1 3 2 CB152 0 1uF C0402 SMD C85 1uF C0402 SMD R2102 10K U13C MT5380 SMD LQFP LQFP256 SMD 5380 9 244 243 242 241 239 238 237 236 235 234 233 232 230 229 228 227 226...

Page 35: ...3 10nF C0402 SMD CE648 10uF 10V C0805 SMD R1836 10K R0603 SMD C353 15pF C0402 SMD R1640 75 R0603 SMD R1636 68 R0603 SMD R1842 10K R0603 SMD C636 4 7uF 6 3V C0805 SMD R1878 1K R0603 SMD D157 ESD_0402_10pF C0402 SMD 1 2 R1831 75 R0603 SMD R153 20K 33K R0603 SMD Q5 MMBT3906 SOT23 1 2 3 R1848 10K R0603 SMD R1830 NC 0 R0603 SMD D160 ESD_0402_10pF C0402 SMD 1 2 R1833 75 R0603 SMD w red P76 RCA2X1 RCA2 H...

Page 36: ...D31 ESD_0402_10pF C0402 SMD 1 2 R169 68 R0603 SMD R160 0 R0603 SMD R181 0 R0603 SMD R171 75 R0603 SMD TP9 R182 10K R0603 SMD C137 5pF C0402 SMD R161 0 R0603 SMD QF6 2N7002LT1 SOT23 SMD 1 3 2 w red P82 RCA2X1 RCA2 HAIER L 1 3 5 4 2 R100 10K C136 10nF C0402 SMD D23 ESD_0402_10pF C0402 SMD 1 2 C141 5pF C0402 SMD R196 0 R0603 SMD R166 100 R0603 SMD CB161 0 1uF C0402 SMD R186 100 R0603 SMD R L P11 PHON...

Page 37: ...0603 SMD C459 47pF C0402 SMD R1525 47 R0603 SMD TP110 D147 ESD_0402_10pF C0402 SMD 1 2 R1560 100 R0603 SMD w red P80 RCA2X1 RCA2 HAIER L 1 3 5 4 2 CB163 0 1uF C0402 SMD R1858 47 R0603 SMD CB162 0 1uF C0402 SMD R1882 1K NC R0603 SMD TP1 D197 ESD_0402_10pF C0402 SMD 1 2 D146 ESD_0402_10pF C0402 SMD 1 2 R1562 47 R0603 SMD TP108 R1598 27 R0603 SMD C151 1uF C0402 SMD red y w CNC2 RCA3X1 RCAJACK 1X3_SW ...

Page 38: ...N3_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 AOLRCK 7 AOBCK 7 AV33 AV33 AV33 AV33 AV33 3V3SB CB171 0 1uF C0402 SMD U13G MT5380 SMD LQFP LQFP256 SMD 5380 9 179 178 177 176 175 174 173 172 171 183 181 182 180 203 200 201 202 198 188 187 191 189 192 184 190 186 185 170 AIN0_L AIN0_R AIN1_L AIN1_R AIN2_L AIN2_R AIN3_L AIN3_R AVDD33_AADC AVSS33_AADC VMID_AAD...

Page 39: ...MD C40 1uF C0402 SMD C167 2 2nF R64 10K R0603 SMD R1766 33K R0603 SMD CB981 0 1uF C0402 SMD R1767 33K R0603 SMD C170 10uF 6 3V C0805 SMD C660 4 7uF 6 3V C0805 SMD C702 4 7uF 6 3V C0805 SMD C35 1uF C0402 SMD R1808 10K R0603 SMD R1616 1K R0603 SMD R1867 33K R0603 SMD R279 470 R0603 SMD C585 1uF C0402 SMD R65 10K R0603 SMD C648 10uF 6 3V C0805 SMD C656 4 7uF 6 3V C0805 SMD R1801 470 R0603 SMD L11 FB ...

Page 40: ... C665 0 22uf C0603 SMD R1785 470 R0603 SMD 1 2 R1773 39K R0603 SMD R1777 4 7K R0603 SMD CE630 47uF 16V C47UF16V D5H7 1 2 R1784 NC R0603 SMD 1 2 C671 1500P C0402 SMD D175 1N4148 1N4148 SMD C672 1uF C0402 SMD Q62 MMBT3904 SOT23 1 2 3 C664 0 1uF C0402 SMD C689 0 47uF 50V C DIP D8 RU3M DIODES DIODES RU3M C687 0 1uF 50V CAP_5 R1782 NC R0603 SMD 1 2 D176 1N4148 1N4148 SMD HTQFP48_HAIER_25VIA U50 TPA3101...

Page 41: ......

Page 42: ...u 2en input 8893 Finished these operations system will be into the factory mode menu 8 1 2 How to exit IF want to exit this factory menu please press the botton Exit in the remoter 8 2 Measurements and Adjustments 8 2 1 Version S N Panel Resoution Version The first line is the model Name and the second line is current software version ...

Page 43: ...l When we found the color in the two models was abnormal Then we can use the function to adjust it automatically Color Temperature The function could adjust the Color Temperature used when debugging 8 2 3 Audio Dolby Banner When turn it ON the model will be in Dolby authentication state ...

Page 44: ...wnmix output model MTS System used when debugging The parameters only used when debugging no need to be modified 8 2 4 Channel Range Scan The function could make it to search the channels by differentiation the analog and digital channels Single RF Scan Search channels in the frequency scope set in advance ...

Page 45: ...NA DIGITAL CABLE ANALOG CABLE DIGITAL to search channels used only in project debugging Tuner Diagnostic Project debugging setting used to inspect the audio function 8 2 5Gamma Gamma Bright GAMMA0 8 Middle default settings in the program Dark GAMMA1 2 ...

Page 46: ...djust the backlight 8 2 7 Function Burning Mode Turn it ON to enter the aging model This is for factory run in testing The screen would display red green blue and black screen repeatedly Each color screen could be exam at that time ...

Page 47: ...42 Clean Storage The function could make the model turn back to the factory default setting ...

Page 48: ...mode is set Switch to otger channel and verify if the same problem happens Press VOL button to see of he problem can be solved Poor sound Verufy if sound system is correct Refer to some chapter for adjust No picture in some channel Verify if correct channel is selected Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan No color for some channel program black and white Verify if the s...

Page 49: ...for 12V Check F1 and peripheral power supply Check E33 470μF 16V for 5V F1 is damaged Were those LDO U10 U13 U16 U18 U19 etc worked normal OK Turn on the TV set By button or remote control Check power supply net follow F1 Check U6 MCU 1 Power supply U7 U9 2 Reset signal 3 Crystal LDO was damaged or the loader is in short circuit OK Check U1 for 5V output Change U1 MP1410ES LF or D17 SK34A SMA Chec...

Page 50: ...k the input Source Change Source input Check the input output Of IC U13 of Main B D Re soldering or change IC U13 Check the input output Of IC U55 of Main B D Re soldering or change IC U55 Check the input output Of IC U2 of Main B D Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire ...

Page 51: ...el Check the backlight B D Change the backlight B D Check the input output of jack CN3 of Main B D Re soldering or change IC UA1 and RNA1 17 Check the input output of Jack CN4 of Main B D Re soldering or change IC U13 Change the panel Change the Panel wire Check the Panel wire ...

Page 52: ...t 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 Dot Defect Bright dot dark dot in pannel Incoming Inspection Standard Polarizer Bubble Bladder in Polarizer Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose Panel or Polarlzer...

Page 53: ...inside LCD pannel Circuit Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Failure Mode Part Name Description Phenomena Failure cause Mechanlcal Nolse When turn panel appear cacophony Caused by Mechanica noise of backlight unit Ripple Connectric circle Causeed by between mechanism and pannel B L off B L lose action Connect badness betwee...

Page 54: ... power too much F M F M in B L white balck Rotundity or wirelike 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 unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mechanlcal or B L Mount hole Lack screw or screw damage Lack screw Screw damage ...

Page 55: ...50 Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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Haier HL26R1 - R-Series - 26" LCD TV, Service Manual

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