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Hitachi L26-H03B, Service Manual

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Hitachi L26-H03B Service Manual Download Page 25

L26-H03B/ L26-H03W/ L32-H03B/ L32-H03W 

25 

 

 

 
 

Summary of Contents for L26-H03B

Page 1: ...g instructions unless you are qualified to do so L26 H03B L26 H03W L32 H03B L32 H03W 1 Summary VHF1ch 12ch UHF13ch 62ch CATV C13 C63 Digital BS 110 degree CS digital and terrestrial digital CATV support pass through except for one segment broadcasting LCD TV 2009 3 L26 H03B L26 H03W L32 H03B L32 H03W HITACHI 9 Block Diagram 27 10 Connection Diagram 28 11 Wiring Diagram 29 12 PCB Layout 31 13 Explo...

Page 2: ...03B L26 H03W L32 H03B L32 H03W 2 Caution for Safety Please read this page before repair the TV The following safety precautions are designed to help you stay safe and prevent accidents during the repair work ...

Page 3: ...L26 H03B L26 H03W L32 H03B L32 H03W 3 ...

Page 4: ...is specification applies to the 31 51 inch Color TFT LCD Module T315XW02 VS This LCD module has a TFT active matrix type liquid crystal panel 1366x768 pixels and diagonal size of 31 51 inch This module supports 1366x768 XGA WIDE mode Non interlace Each pixel is divided into Red Green and Blue sub pixels or dots which are arranged in vertical stripes Gray scale or the brightness of the sub pixel co...

Page 5: ...L26 H03B L26 H03W L32 H03B L32 H03W 5 3 Dimensions ...

Page 6: ...L26 H03B L26 H03W L32 H03B L32 H03W 6 4 General Specification ...

Page 7: ...solder to not harden properly and lead to consequent malfunctions Precautions when using leaded solder Remove all lead free solder from soldered joints when replacing components If leaded solder should be added to existing lead free joints mix in the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder 4 Servicing soldering i...

Page 8: ...FACTORY MODE Menu 4 Choose OPTION by R C 上 下 button Then press R C 決定 button Enter to OPTION menu as picture 3 Picture 3 OPTION Menu 5 Choose PC CALIBRATE by R C 上 下 button Then press R C 右 button Value changes 0 to 1 red letter Then press R C 決定 PC CALIBRATE executed and value returns to 0 6 Press R C もどる Return to FACTORY MODE menu 6 1 2 Color Temperature Adjustment 1 Set picture mode スーパー by Me...

Page 9: ...own below Table 1 Signal setting for adjustment of Color temperature 5 3 Choose SOURCE by R C 上 下 button Then choose the input from the Input names see below in SOURCE by R C 左 右 button Input names PC to adjust PC input D to adjust Component input HDMI1 to adjust HDMI input CVBS1 to adjust Video input Input names indicated by red letters Then press R C 決定 button Change to selected input 5 4 Adjust...

Page 10: ...4 Adjust Color temperature of MID Do not change R GAIN keep the value 1024 change G GAIN and B GAIN to meet the specified x and y value x 0 285 0 005 y 0 293 0 005 7 5 To adjust color temp of another input change input name and input signal then repeat 7 1 to 7 4 8 Color Temp adjustment LOW 8 1 Choose TEMP by R C 上 下 button Then choose value LOW by R C 左 右 button then press 決定 8 2 Input signal fro...

Page 11: ...traight type Caution Do not connect other PC Picture 5 How to Setup example 2 Settings 1 If the update tool Boisclair updater window is not installed install it Please see Page17 2 Open the Control Panel Network Local Area Network and open its Property as picture 6 Picture 6 Open Property 3 Choose Internet Protocol and open its Property as shown below Picture 7 Property 4 Set IP address and Subnet...

Page 12: ...for FW update into FirmUpdateTool_XXX httpd data as picture 9 Picture 9 Note To avoid the data damage of updatefile zip file it is recommended that once delete the previous updatefile zip file then put new updatefile zip file 6 Other PC setting Disable system standby and HardDisk power off Disable screen saver ...

Page 13: ...lease confirm that Hub is turned on and Link indicator of Hub blinks Please confirm that PC network setting is correct Please confirm that the Hub is connected to PC and TV correctly and firmly Please confirm that updatefile zip exists in the folder FirmUpdateTool_XXX httpd data Please confirm that other network applications ex Skype MSN etc aren t working If not improved please use other PCs and ...

Page 14: ...e In case that start update comment not displayed Please confirm that the Hub controller is connected to Main Board with Ethernet cable correctly and firmly Please confirm that PC network setting is correct 8 After a few minutes complete file system update message displayed Picture 15 complete file system update 9 After complete update message displayed please turn main power switch off TV and clo...

Page 15: ...ndicated Press R C 上 下 button confirm 自 動設定 is high light then press R C 決定 button 4 STEP 5 リモコンボタン割り当て 地上アナログ放送 is indicated Press R C 右 Confirm 次へ is high light then press R C 決定 button 5 STEP 6 地上デジタル放送の設定 is indicated Press R C 上 下 button confirm いいえ is high light then press R C 決定 button 6 地上デジタル放送を視聴する場合は 各種設定から地上デジタル 放送の設定を行ってください is indicated Confirm 次へ is high light then press R C 決定 butt...

Page 16: ... starts and はじめて設定 is displayed 4 Turn R C power off then turn Main power switch off How to install firmware update tool 1 Put the FirmUpdateTool_xxx zip into the optional folder The name and root pass of this folder don t include Chinese characters or Japanese characters named with only alphabet 2 Decompress FirmUpdateTool_xxx zip into the optional folder FirmUpdateTool_xxx folder is created 3 Co...

Page 17: ...L26 H03B L26 H03W L32 H03B L32 H03W 17 7 Troubleshooting 1 No Picture No Sound First confirm the status of Stand by On lamp LED then survey by following the flowchart as shown below ...

Page 18: ...L26 H03B L26 H03W L32 H03B L32 H03W 18 ...

Page 19: ...26 H03W L32 H03B L32 H03W 19 2 No Picture Picture failed Color failed Dark picture Beat noise etc First confirm the connection of all connectors between PCB s then survey by following the flowchart as shown below ...

Page 20: ... L26 H03W L32 H03B L32 H03W 20 3 No Sound Sound failed Loading interrupt Noise etc First confirm the connection of all connectors between PCB s and speakers then survey by following the flowchart as shown below ...

Page 21: ...L26 H03B L26 H03W L32 H03B L32 H03W 21 ...

Page 22: ...L26 H03B L26 H03W L32 H03B L32 H03W 22 4 Network terminal LAN communication failure ...

Page 23: ...L26 H03B L26 H03W L32 H03B L32 H03W 23 ...

Page 24: ...L26 H03B L26 H03W L32 H03B L32 H03W 24 5 Telephone line when Execution the Simplified connection test Cannot connect is indicated ...

Page 25: ...L26 H03B L26 H03W L32 H03B L32 H03W 25 ...

Page 26: ...L26 H03B L26 H03W L32 H03B L32 H03W 26 8 Self Diagnosis Function ...

Page 27: ...L26 H03B L26 H03W L32 H03B L32 H03W 27 9 Block Diagram ...

Page 28: ...L26 H03B L26 H03W L32 H03B L32 H03W 28 10 Connection Diagram ...

Page 29: ...L26 H03B L26 H03W L32 H03B L32 H03W 29 11 Wiring Diagram L26 H03B L26 H03W ...

Page 30: ...L26 H03B L26 H03W L32 H03B L32 H03W 30 L32 H03B L32 H03W ...

Page 31: ...A3 D201 D5 D202 D5 D203 C4 D204 C4 D205 C4 D206 C4 FB201 C5 L201 C4 L202 D5 L203 D3 L204 D5 L205 C3 L206 C4 L207 C4 L208 C4 L209 C4 L210 C4 Q201 B3 Q202 B3 Q203 B3 Q204 B4 Q205 C3 R201 B3 R202 B2 R203 C4 R204 C2 R205 C4 R206 A2 R207 A2 R208 A2 R209 A2 R210 A2 R211 C4 R212 C4 R213 A2 R214 A2 R215 A2 R216 B2 R217 A2 R218 A2 R219 C4 R220 C4 R221 C4 R222 C4 R223 B3 R224 B3 R225 B3 R226 B3 R227 B3 R228...

Page 32: ...L26 H03B L26 H03W L32 H03B L32 H03W 32 715G3356 I Bottom ...

Page 33: ... H03W 33 IR Board 715G3357 1 Top 715G3357 1 Bottom CN001 A2 CN002 A1 GND1 A2 LED001 B2 U002 B2 C001 A2 C002 A2 C003 B1 D001 A1 FB001 B1 R001 B2 R002 B2 R003 A2 R005 A1 R006 B1 R007 A2 R008 B2 R009 A1 R011 A2 R012 B2 R013 B2 U001 A1 ...

Page 34: ... E3 D961 D4 D962 D4 F902 F1 F913 C4 F914 C4 FB901 E2 G901 F1 G902 A1 IC911 A3 IC932 E3 IC933 F4 IC934 F3 IC952 A3 IC953 A3 J901 D1 J902 D2 J903 E2 J904 B1 J905 B1 J906 A1 J907 A1 J908 A1 J909 F2 J910 E2 J911 E2 J912 F3 J913 A3 J914 C3 J915 F3 J916 F3 J917 F3 J918 E4 J919 E4 J920 D4 J921 D4 J922 C4 J923 B4 J924 A4 J925 A4 J926 A4 J927 A4 J928 A4 J929 E4 J930 E2 J931 B2 J932 B2 J933 C4 J934 B4 J935 ...

Page 35: ...B1 R910 B2 R911 B2 R9111 E2 R9112 E2 R9113 E2 R9114 E2 R9115 E2 R9116 E2 R9117 E2 R9118 E2 R9119 F2 R912 B2 R913 B2 R916 C2 R917 C2 R918 C2 R919 C2 R920 E2 R921 E2 R922 F2 R923 E2 R924 F2 R925 E3 R927 E2 R928 E2 R929 E2 R931 F3 R932 E2 R933 E2 R934 F2 R935 F2 R936 F2 R9363 A3 R9366 A3 R9377 A3 R938 E3 R9380 A4 R9381 A4 R939 E3 R940 E3 R9400 C4 R9401 D3 R9402 D3 R9403 D4 R9404 D3 R9405 C3 R9406 D3 ...

Page 36: ...L26 H03B L26 H03W L32 H03B L32 H03W 36 Power Switch Board 715G3354 1 Top 715G3354 1 Bottom ...

Page 37: ...oard 715G3363 1 Top 715G3363 1 Bottom CN100 A2 CN101 A1 GND1 A1 SW100 A3 SW101 A4 SW102 A4 SW103 A4 SW104 A3 SW105 A3 SW106 A2 C100 A2 D100 A2 D101 A2 D102 A2 D103 A2 R100 A2 R101 A2 R102 A2 R103 A4 R104 A4 R105 A4 R106 A3 R107 A3 R108 A3 R109 A2 ...

Page 38: ...L26 H03B L26 H03W L32 H03B L32 H03W 38 13 Exploded View L26 H03B L26 H03W ...

Page 39: ...L26 H03B L26 H03W L32 H03B L32 H03W 39 L32 H03B L32 H03W ...

Page 40: ...4D136 HARNESS 14P 14P 320MM 1 000 095T801416D 83 HARNESS 16P 16P 300MM 1 000 095T8022 8D 1 HARNESS 8P 8P 150MM 1 000 098TRACG4NJHTK HITACHI ASSIGNED REMOTE CONTROL 1 000 0D1G 930 4120 SCREW 1 000 0D1G 930 4120 SCREW 2 000 0D1G 930 4120 SCREW 2 000 0D1G 930 4120 SCREW 2 000 0D1G1730 8120 SCREW 1 000 0D1G1730 8120 SCREW 1 000 0D1G1730 8120 SCREW 1 000 0D1G1730 8120 SCREW 1 000 0D1G1730 8120 SCREW 1 ...

Page 41: ...Q36T 600 18134 NONWOVEN FABRIC 1 000 Q36T 600 31 2 NONWOVEN FABRIC 1 000 Q36T 600 31 3 NONWOVEN FABRIC 2 000 Q36T 600 37 28 GP NONWOVEN FABRIC 2 000 705TQ934E05 STAND ASS Y 1 000 0Q1G 130 6120 SCREW T3X6 6 000 A34T0560ADT 1L0100 STAND TV26W 9HITA 1 000 A34T0561ADT 1L0100 BASE TV26W 9HITA 1 000 AM1G1740 10125 SCREW 3 000 Q12G6300 25 1 RUBBER FOOT 6 000 2nd source Q12T6083 1 RUBBER FOOT 2 000 2nd so...

Page 42: ... 000 Q51G 6 4509 GLUE_RTV 2 000 071FPC28201 14 MAGNETIC CORE DMR40 EC29G A634 1 000 071FPC35201 01 MAGNETIC CORE JR2KBF1 EC35 A556 1 000 IOPF8QA1 IOPF BOARD 1 000 040G 45762412B CBPC LABEL 1 000 CN201 088G 353 9FXSH D SUB CONN 9PIN F 1 000 715G3356 I IOPF BOARD PCB 1 000 IRPF9QA1 IR BOARD 1 000 GND1 095G 900631 WIRE HARNESS 1 000 096G 29 6 GP SHRINK TUBE UL CSA FOR LED001 8 000 Q11G5053 1 STRING F...

Page 43: ...IGNED BATTERY 1 5V R6P 2 000 0Q1T 940 30 47 CR3 SCREW 3 000 Q41G7830779 5A 1ST STEP GUIDE 1 000 0Q1G 930 8120 SCREW 3 000 Q34T0583 VT 1A0100 COVER_BCAS 1 000 Q36T 600 37 26 GP NONWOVEN FABRIC 1 000 Q40G0002779 6B SIDE LABEL 1 000 Q52G 1211823 AL TAPE 1 000 078T 522 1 Y SPEAKER 6 OHM 12W 160X40MM 2 000 0Q1G 940 10120 SCREW 1 000 Q11GP001 1 CABLE CLAMP 1 000 Q12G7040 2 HITACHI RUBBER FOR 26 4 000 Q4...

Page 44: ...0MM 1 000 095T801414D133 HARNESS 14P 14P 300MM 1 000 095T801414D137 HARNESS 14P 14P 450MM 1 000 095T801416D 83 HARNESS 16P 16P 300MM 1 000 095T8022 8D 1 HARNESS 8P 8P 150MM 1 000 098TRACG4NJHTK HITACHI ASSIGNED REMOTE CONTROL 1 000 0D1G 930 4120 SCREW 2 000 0D1G 930 4120 SCREW 2 000 0D1G 930 4120 SCREW 4 000 0D1G1730 8120 SCREW 7 000 0D1G1730 8120 SCREW 1 000 0D1G1730 8120 SCREW 2 000 0D1G1730 812...

Page 45: ... 000 Q12G7039 1 VESA RUBBER 1 000 Q15T0257101 BKT VESA BTM 3 000 Q36T 600 31 5 NONWOVEN FABRIC 1 000 Q36T 600 37 28 GP NONWOVEN FABRIC 1 000 705TQ934J15 STAND ASS Y 32 1 000 0Q1G 130 6120 SCREW T3X6 4 000 A15T0384301 BKT BASE PLATE A1 BIG 1 000 A34T0521ADT 1L0130 BASE 1 000 Q12G6300 25 RUBBER FOOT 6 000 2nd source Q12G6300 25 1 RUBBER FOOT 2 000 2nd source Q37T0131011 HINGE 1 000 750TVU315W2S12N00...

Page 46: ... CORE DMR40 EC29G A634 1 000 071FPC35201 01 MAGNETIC CORE JR2KBF1 EC35 A556 1 000 AM1G1740 10125 SCREW 3 000 IOPF8QA1 IOPF BOARD 1 000 040G 45762412B CBPC LABEL 1 000 CN201 088G 353 9FXSH D SUB CONN 9PIN F 1 000 715G3356 I IOPF BOARD PCB 1 000 IRPF9QB1 IR BOARD 1 000 096G 29 6 GP SHRINK TUBE UL CSA FOR LED001 8 000 Q11G5053 1 STRING FOR LED001 1 000 715G3357 1 IR BOARD PCB 1 000 KEPF9QB1 KEY BOARD...

Page 47: ...09 88 MH EPE COVER FOR BASE 1 000 Q52G 1211823 AL TAPE 1 000 Q52G 1211825 AL TAPE 1 000 Q52G6025 15256 INSULATING SHEET 1 000 Q52T 1150522 TAPE_INSULATING 35 000 Q41G7830779 5A 1ST STEP GUIDE 1 000 Q45G 76 28NV2 R PE BAG FOR CLAMP 1 000 Q12G7040 3 HITACHI RUBBER FOR 26 2 000 Q12G7040 4 HITACHI RUBBER FOR 26 2 000 Q44T3121510559 GP EVA WASHER 1 000 Q36T 600 31 5 NONWOVEN FABRIC 4 000 Q36T 600 37 19...

Page 48: ...ABRIC 1 000 705TQ934E03 STAND ASS Y HITACHI 1 000 A34T0560AFD 1L0100 STAND 1 000 A34T0561AFD 1L0100 BASE 1 000 AM1T1740 10120 SCREW 3 000 Diversity of L32 H03W compared with L32 H03B Diversity of E32RA4NJ2WHCN compared with E32RA4NJ2WHTN Location Part No Description quantity 705TQ933J01 PLASTIC ASS Y 32 1 000 705TQ934J07 BEZEL ASS Y 32 1 000 A34T1113AFDA1L0130 BEZEL TV32W 9HITA 1 1 000 705TQ934J08...

Page 49: ...L26 H03B L26 H03W L32 H03B L32 H03W 49 Accessories ...

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