Hitachi 26LD8000TA Tv User Guide Manual Operating
Contents
1. 11 Printed wiring board diagram Adjustment 12 Disassembly diagram Troubleshooting 13 Replacement parts list Self diagnosis function SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT LCD Television July 2005 Digital Media Division Downloaded From TV Manual com Manuals 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 Please take note of these cautionary flags Warning This means Potential to sustain injury or even death Caution This means Potential to sustain breakage or irreparable damage Also note these cautionary icons This means CAUTION Q This means MUST This means POTENTIAL ELECTRIC SHOCK This means DO Downloaded From TV Manual com Manuals WARNING W Follow instructions AN The cabinet chassis and labels are parts that require attention You must follow the caution notes and safety instructions presented throughout this User Manual to prevent damage to them or injury to yourself E Prevent electric shock A2. 24 Downloaded From TV Manual com Manuals 26 Diagram Videol VI S1 Audiol Video2 V2 S2 Audio2 Video3 YIPbIPr1 Audio3 Video4 Y2Pb2Pr2 Audio4 Audiol L1 RI 102 1 2 2 Audio3 L3 R3 104 14 84 CVBS S Video MENU Source PC Audio LCD PENAL 5 7117 subwoofer phone out out 25 Downloaded From TV Manual com Manuals 9 Wiring Block Diagram 210600504 CIOFOPLGOd 100 16150 OIOSOPLS0d FOOSOPLGOd 010060 5041 00900 504 _ POOrIPLSO ON Assy Assy 9JIM dZL ZLM SSY 2 dS SM SSV aM uuo2 48 8 SSY 09 d0 0 M SSY aM d9 9M M uuo9 VIOMS 8 VS00d 4 9 9 e VSl0d 2 4106 11 00000000 09 6 6 o 0 2 0 0 0 0 0 90 QQQ OQ 0 0 26 Downloaded From TV
3. 7 2204 16 0257 a wv 2520 7940 93 16 0266 eetuF C267 0279 eetuF 0271 0272 0273 C274 Yeur 16v C275 100671 3 6880 8 24204214 0520 38 2 920v 33 Downloaded From TV Manual com Manuals For OVI circuit Mot plug detection Power down contro 23 R3672 0pen 8187 From side boord terminal 3 Uu 2 8 50 Ponet fo Power Enable Seitch wcu_svO R455 Gi Enable 6 17 58 22222011 8213 33x4 2 dil jii M ih B e i Remote control interfance 4 7K NC 445 8 271628 6 8 11 688 680 8 171628 622 8 171688 580 8 171688 580 OOM _Ha 171 688 622 STYN_H8 11 628 622 Keypad interface low active EEEEEE CPU Interface 2211 Number Hitachi 26 231 0 1 F
4. 12 COLOR TEMPERATURE ADJUSTMENTS Following the procedures to make the color temperature adjustments Note that a colorimetry meter such as a Minolta CA 210 is required to measure the actual screen color temperature Low x 0 301 0 01 y 0 314 0 01 Color Temp 7500K High x 0 266 0 01 y 0 264 0 01 Color Temp 15000K 5 2 Firmware update This model has a Debbug Mode where the technician can debbug and update the firmware Preliminary 1 To access the Bebbug Mode the TV must be WEE ufi N running O 0 0 ENTER EXIT a 7 6 5 4 3 2 1 2 Press and hold the 2 and 5 button PROGRAM A and VOLUME Y 3 After both buttons have been held down for five 5 seconds then release the 2 and 5 button 4 Click IAPWriter EXE Dye LAP exe 5 Following window will be shown after IAPWriter EXE is executed File Device Options Help 9254 Uploading Algorithm WB_16 BIN 000113 elapsed Device ID SD4E Downloaded From TV Manual com Manuals 6 Load BIN file File Device Options Help File Device Options Help Device 39 040 Uploading Algorithm WB_16 BIN 00 01 19 elapsed Device ID 9D4E lt RED x 7 Click OK button File Device Options Help
5. c gt v 7 5 5 4 3 2 1 1 SUB POWER 4 7 2 7 ENTER 2 UP A 5 VOL 4 3 PROGRAM 3 DOWN 6 INPUT Normal Button Action 6 EXIT Button Action when MENU engaged Ema Power lamp d 4 Remote contrel receiver 4 1227 Main power switch The power switch is located at the right side of the back Downloaded From TV Manual com Manuals gt Remote Control ej Bees Downloaded From TV Manual com Manuals CON Oe LII 11 12 13 14 15 16 17 18 19 20 21 Power Button Mute Button Number Buttons Return Button Recall Button Sleep Time Button PC Source Button TV VIDEO Source Button Menu Button Up Down Left Right Button Exit Button Volume Button Channel Button P Mode Button Button Tele Text Buttons P Size Button Multi Picture ON OFF Button Multi Picture Mode change Button PIP Position Button ENTER Button 4 points Lead free solder This product uses lead free solder unleaded to help protect the environment Please read these instructions before attempting any soldering work Caution Always wear safety glasses to prevent fumes or molten solder from getting into the eyes Lead free solder can splatter at high temperatures 600 Lead free solder indicator Printed circuit
6. NO Select to the correct option gt NO the TV cable properly NS Execute the ch Search xecute the channel function C t the Assembl onnect the Assembly PCB Video properly YES 20 Test again No Signal Issue Composite Component No signal Check ifthe signal source is available and been well connected YES NO Check ifthe has been well connected to the PCB Main YES Take off the back cover NO Check if Wire Ass y 30P has been well connected to PCB Main YES NO Change the PCB I O then Enable source and connect the signal wire properly Connect the PCB I O properly Test again check the signal YES Connect Wire Ass y Properly to the PCB Main Change PCB Main board Software can t be updates Can not update software Check if D sub cable has been well connected to the Take off the back cover Check if all wires have been well connected to the PCB I O and PCB Main Change and see if it works Change the Flash Downloaded From TV Manual com Manuals Connect D sub Cable properly Connect the wires properly Test again 7 Self Diagnosis Function If a problem arises while you are using the TV plea
7. Downloaded From TV Manual com Manuals Video 4 4 ADC TCD3 Display b Color Process FACTORY MODE NAVIGATION To navigate through the different menu items use the or W button on the remote control The menu items will be high lighted green as navigation occurs To access a particular adjustment parameter use the ENTER button on the remote control which will cause a new menu to appear To back up from the FACTORY MODE use the RETURN or EXIT button on the remote control To leave the FACTORY MODE press POWER button on the remote control 26 32 37 Hitachi Model use Trident chassis adjustment 1 Factory adjustable only Video 2 User adjustable items Color Decoder CV 3rd MAN ADC Gen Sy gt X3 TCD gt T Display YPbPr Panel MUX Frame Over Driver To Sub Sub LCD YCbCr p Buffer Display amp mwa Capture LVDS osp TCD3 TCD3 Con TCD3 TCD3 Hue TCD3 Sat YC Delay Peaking Range Peaking Gain Peaking Enable For W B adjustment 10 Downloaded From TV Manual com Manuals Video 2 OSD menu video mode default setting 2 Display Contrast adjustment end 2 Brightness Display Brightness adjustment Back end 22
8. Uploading Algorithm WB 15 BIN 00 01 19 elapsed Device ID 904 Loading File 14 Downloaded From TV Manual com Manuals 8 Click Write Device icon BIN 808080080 90800010 08888008 094 F8 88 02 96 C2 12 89 01 Eh FS 23 F5 25 t 8 5 C2 88 7F 81 12 5B 12 99 03 98 88 FE FU 65 2 E5 21 78 82 85 23 C3 94 DB ES 23 94 87 58 25 8p ti P 28 92 09 20 99 F5 23 F5 24 05 22 ES 22 70 45 71 C3 94 FF ES 21 94 2F 03 B7 B5 F5 21 F5 22 88 90 80 FE 74 FF FB 98 80 EO EO F5 25 78 02 21 85 90 80 F9 74 GF FA ES 25 25 FD B4 dd D ERG AA 4A 82 21 98 98 98 25 5A 82 85 83 73 B 4 P S 01 AA 21 08 21 9B 21 9B 21 0B 21 9B 21 21 8C t t t t t 10t 01 C4 21 38 01 21 3 81 B2 98 ET 7 65 FO 16 t5 ete 21 9B E4 FF FE FD 75 2E 91 12 98 5D 58 0 12 GA 09 21 87 25 OB 08 EY F5 20 FS 28 FS 27 1 5 C F5 26 80 0n Eh F5 29 F5 28 75 27 20 F5 26 Eh 25 amp u 29 FF ES 28 34 M FE E4 35 27 FD 35 26 FE 78 4 5 58 x ES 12 OC 30 AF 29 AE 29 AD 27 AC 26 75 2E 91 12 tu 08 5 50 27 78 F 30 02 01 C3 92 62 ES P x0 R 25 7F BB 82 7F M 12 A4 54 AF 29 AE 28 AD 48 8 27 AC 26 75 2E 91 12 18 B2 5C 75 25 81 80 B
9. 877 109 MST9BB3C R77 470 These capacitors C73 C741 C78 orm of the dc restoration circuit Sync on Green Input must be oc coupied to the Greenonalog input through its awn The value of the capacitor must be 1 nF 92 p 5 8 PMB 2 18 05 Trident Chonge MAIN Sy 1 7 w2012 3e0 4 171117533 71117533 174 8 10057168 09883 PLL 42 75 411 Pi 5 P amp 11251 Picture mes noise aD E YPb Pr Input mst9883 140 Size Number A2 Hitachi 26 23 LCD TV FOR ASIA Dote 2005 01 25 TeuFZ16V 29 Downloaded From TV Manual com Manuals 1 16 121 3 3 MANO fYYY HB 111608 600 mU i 88 R186 119 m 5 7117 Sud displey the recommended standard resistor divider combination 27 Ohm 47 Ohm Circuit diogremPACE 3 The recommended input capacity hos also been changed to 22nF CND V 123 33 woe 15e 1 1 2012 1 52 7 CONFIGURED AS OUTPUT only SOTV signels con be transmitted OPIN 03 34 NAN same te demo board setup 12 3 Logic 8 for slave address 42h 43h ond Logic 1 for slave address 40 41
10. 8 Js 46 Downloaded From TV Manual com Manuals 12 Disassembly Diagram gt Mechanical LABEL FRONT MECHANICAL DISASSEMBLY MODEL NAME 26LD8000TA 3 LED LENS SIDE INPUT PANEL CONTROL BUTTON CONTROL PANEL UP 3n wane LABEL STAND COVER STAND BASE LOOP 7 STAND TURN COVER STAND BRACKET 7 STAND RING STAND BASE N STAND BASE METAL 47 Downloaded From TV Manual com Manuals PAKAGE EXPLODE DIAGRAM 26LD8000TA 26LD8200TC 8 Battery 9 RemoteControl Downloaded From TV Manual com Manuals 48 26LD8000TA 26LD8200TC 26 05 26 05 item PartNo Parts Remarks 9513580256 RS Caron 5 IPe 9523580256 Ene Bottom BL 1Pe 9533319256 EPE Bag Pe MIS ESTen 10e 18 9539251157 ClipPE Bag 1Pc 240x340 E E 0 pem pp Mechanical amp Packing Parts List 26LD8000TA NO DESCRIPTION PART NO HITACHI PART NO Q TY M1 FRONT COVER ASSEMBLY 5095670823 1 COVER ASIA E641104703 1 bILENS LED E640333200 1 LENS E640333300 1 d SPONGE H 642026412 4 e S
11. RCA AV2 L R audio input terminal RCA AV1 L R audio input terminal RCA AV3 Composite video input terminal RCA AV3 S video input teminal AV3 L R audio input terminal RCA Input signals AV4 Composite video input terminal RCA AVA S video input teminal AVA L R audio input terminal RCA Input terminals AV1 NTSC M PAL AV2 NTSC M PAL AV3 NTSC M PAL SECAM AVA NTSC M PAL SECAM Video signals Video output Signal OUTPUT TV composite video TV output terminal RCA put sig OUTPUT TV audio TV output terminal RCA Recommended signal 5 modes TV RF input Input signals Input terminals Analog RF input terminal NTSC PAL SECAM e It takes at least 30 minutes to attain the maximum picture quality Applicable video signals for each input terminal Signal Type RCA D sub Remarks Terminal Composite S video component RGB AV1 4801 480 10801 720 inputs PAL AV2 4801 480 10801 720 inputs PAL AV3 4 Avaliable 5 Downloaded From TV Manual com Manuals 3 Component names gt Main unit Control panel An Adjustment buttons are located on the top of 5 2 the control panel e Indications for each button s function can be found the inside of the control panel cover MENU INPUT PROG
12. amp u WS k 02 00 80 67 90 80 EG EO FE 00 80 5 EO 7C 00 25 9 00 FF EC FE 98 80 EB FD 12 86 88 38 90 2 8 88 E5 EG 24 FE 60 14 14 68 29 24 02 70 29 12 07 5 t5 P CA 90 80 E5 EF FO 12 17 CA 88 UB 12 09 46 90 30 F 5 EF 12 89 46 EE 90 80 90 80 EF 74 55 A3 74 AN FO E4 F5 25 80 OF 00 80 F1 FO 11 4 14 70 98 90 80 E2 EU 24 FF 92 92 90 80 E9 ES 25 0 98 88 EG E4 FO 90 88 FE E4 FB FF 12 OA 58 ES FE 25 05 25 25 BY FF FO 72 01 12 00 82 12 00 58 En F5 25 05 25 ES 25 Bh FF F9 30 00 89 12 00 4 3 8 1h E4 F5 23 F5 24 81 2F 78 F5 37 08 E F5 0 5 x 7 RR F5 29 RR FS AR F5 an RR 12 Rf R 9 80 30 8 C 01 E5 37 54 87 uh 7 7 4 71 0 9 IAP is finished while following massage is shown Writing Device Uploading 00 15 13 elapsed V erifing 00 07 23 elapsed Writing EF 24 FF 92 92 22 AB BB 00 00 C2 96 1 5 7 Device Length 90020 Loadng File 05122 elapsed 10 After IAP is done please disconnect and reconnect AC power switch and do initialization Downloaded From TV Manual com Manuals 15 5 3 Initialization This model has a Initialization Mode where the technician
13. ond 48 40 VIDEO Interface SAA7117H Drawn by Sheet 6 of 15 30 Downloaded From TV Manual com Manuals 1 2012 158 SCALER 3 3V SCALER D1 B 9 194 c9 poraz 7 nds 7 M he 56 0492 23 Baw 2 21 Adding 8 2 219 0 19 11117 53 x2 lt NM 5 1 2012 152 5 3 220 1 299 2 21 Chonge 111117 33 O SCALER L1 8 5 5 1 2012 158 TeuF 16v ne 111117 18 1 2812 158 po 1885 7589 8 111117 18 Hitachi 26 23 0 FOR ASIA Drawn by cece Sheet 7 of 15 31 Downloaded From TV Manual com Manuals 144 1 n t 02 5 f ee ue ue ee 008 02 5 0 AI ONBR 8464 0 8465 0 406 3 29 adding To 5 3 From e ape 11451 7 31 34 4 34 31 139 3 Ly R178 bag Tee fo ANY 011 2 5 6 10 5211 2 5 6 188 1 L Am Ee To 10 MCU 290040 SCALER SVP EX52 1 Downloaded From TV Manual com Manuals 5 571 9st LOZRNL HH C254 ac 1 uF 16 C255 H
14. Digital Media Division 01511 Downloaded TV Manual com Manuals
15. Manual com Manuals 10 Circuit Diagram gt Board PWB 0885 900 ________ 215 62 10 5022 3vZ6v LW induj 2 2 5 ZxXSBAD Downloaded From TV Manual com Manuals OF utr 57 TIT t AL 92 lt AL Z 40328uu02 1l Coe ul ano me ew 27 2 113 css A 194516 c59 Teeur 16v 1519 0 868 R70 5872 75 75 75 coo SAA7117A To 519683 867 69 87 47 47 47 GNO_Y 2 310 11 2 510 11 Pb Pr Input MM1519XQ Size 2 Hitachi 26 23 LCD TV FOR ASIA Date 2005 01 25 28 Downloaded From TV Manual com Manuals 3 3V_AD_ CO 3w AP BO E 815888 15815 818 15515 To scaer meut PORT MA 223222 2588
16. Tint Display Hue adjustment Back end 2 Display Saturation adjustment Back end Detail Display Sharpness adjustment Back end Backlight LCD backlight control Back end Coles Color temperature default setting High or Low Temperature ADC __ ADC ADC input signal gain adjustment R Pr For 01 D4 and PC only _ ADC Gain G ADC input signal gain adjustment G Y For D1 D4 and PC only _ ADC Gain B ADC input signal gain adjustment B Pb For D1 D4 and PC only Downloaded From TV Manual com Manuals Scalar Bri Output B brightness factor adustment color temperature function 2 Scalar Off R Output R offset factor adustment color temperature function Scalar Off G Output G offset factor adustment color temperature function 2 Scalar Off B Output B offset factor adustment color temperature function Display Display sharpness band pass gain of peaking adjustment Back end Disp MP BL play sharp pass gain of peaking adj 2 HSharp LP Display sharpness low pass gain of peaking adjustment Back end Display sharpness high pass gain of peaking adjustment Back end 2 Hsharp HP 2 Vsharp Display Vertical sharpness adjustment Back end 2 0 Delay Display U delay comparing with 2 Display delay comparing with V Color Process
17. boards using lead free solder are engraved with an 1 label E Properties of lead free solder The melting point of lead free solder is 40 50 C higher than leaded solder Servicing solder Solder with an alloy composition of Sn 3 0Ag 0 5Cu or Sn 0 7Cu is recommended Although servicing with leaded solder is possible there are a few precautions that have to be taken Not taking these precautions may cause the solder to not harden properly and lead to consequent malfunctions Precautions when using leaded solder e Remove lead free solder from soldered joints when replacing components e If leaded solder should be added to existing lead free joints mix the leaded solder thoroughly after the lead free solder has been completely melted do not apply the soldering iron without solder Servicing soldering iron A soldering iron with a temperature setting capability temperature control function is recommended The melting point of lead free solder is higher than leaded solder Use a soldering iron that maintains a high stable temperature large heat capacity and that allows temperature adjustment according to the part being serviced to avoid poor servicing performance Recommended soldering iron e Soldering iron with temperature control function temperature range 320 450 C Recommended temperature range per part Part Soldering iron temperature Mounting chips on mounted PCB 320 C 30 C Mounting
18. chips on empty PCB 380 C 30 C Chassis metallic shield etc 420 C 30 C 1 IR PWB KEY PWB The PWB assembly which has used lead free solder 2 MAIN PWB 3 POWER BOARD Downloaded From TV Manual com Manuals 5 Adjustment 5 1 SERVICE FACTORY MODE ACCESS This model has a Factory Mode where the technician can access and adjust some of the color temperature settings The Factory Mode has several different appearances depending on the input signal Tablel TV Table2 AV composite S V S Video Table3 SV S video Table4 4801 component Table5 480p component Table6 10801 60 component Table7 720P 60 component Table2 AV composite S V S Video Table3 SV S video Table4 576i component Table5 576p component Table6 10801 50 Table7 720P 50 component Preliminary 1 access the Factory Mode the TV must be 5 running gt 7 6 5 4 3 2 1 2 Press hold the 3 and 4 button PROGRAM and VOLUME A 3 While continuing to hold the 3 and 4 button press and hold the 1 button SUB POWER 4 After both buttons have been held down for five 5 seconds first release the 1 button then release the 3 and 4 button As stated previously the input that the TV had selected at the time will determine which actual FACTORY MODE display will show up See next page
19. remote control Take off the back cover Check ifthe wire of PCB IR has been well connected to the PCB Main Connect the wire properly Change the PCB IR then check if it works Change PCB Main then connect all wires properly Key Pad doesn t Work Key pad doesn t work Take off the back cover and check if the wire of PCB Key Pad has well connected to the PCB Main Connect the wire properly Test Change Pad 5 again and connect all wires properly Check if it works Change the PCB Main 19 Downloaded From TV Manual com Manuals PC Signal Analog RGB NO PC signal Check if PC source is working on other display Check ifthe D sub cables have been well connected to the LCD Take off the back cover Change the PCB I O and see if it works Change the PCB Main TV RF Source no Signal No TV RF signal Make sure the OSD TV source option is correct Cable Air YES Check ifthe TV cable has been well connected to the TV YES Check ifthe Channel Search function has been done YES Check ifthe Assembly PCB Video has been well connected YES Change the Tuner Module and check if it works NO Change the PCB Main Downloaded From TV Manual com Manuals Check PC by PC Service Provider Connect the D sub cables properly
20. 06 TIOTNI HH 9999 10 16 Cos dOGH IAG 691115 108 716 104 16 0 14 o 329uuo 05 0 0446 DOC clock DAS dato 0618 GND OMIT 57 04016 Hot plub detect 5 ces ec 5 4 424 1 s 402 lF Yen 20 H 16V cos gt 1 0 luF 3 Lap i 100P i 4911 44500 ONASH 9ui uo sayy 9p 150u 20 2 05 2 UD uonoanfijuo2 wing puo urm qjoq NOPOLA sq uo X200 PAI INAS jo QUOD 07 5 uoncanfruo 701007 9 15 94 ISN OL 915 303 1 027 lt 2 92 420 H ON dOGH 69115 38 Downloaded From TV Manual com Manuals S902 am WPUT DUT 3905 275 We TSOP48 Number Hitachi 26 23 LCD TV FOR ASIA 39 Downloaded From TV Manual com Manuals Board1 0886 1982 T 8 111608 0038 5 il 5 5252318 GND IN 18 1993 3 nn 1925 P902 main board 8 111608 80
21. 19256 M16 EPS Top TR 1523580156 M17 EPS Top TL M18 Clip PE Bag 1533251157 51 Downloaded From TV Manual com Manuals Electrical Parts List 26LD8000TA 52 Downloaded From TV Manual com Manuals NO DESCRIPTION PART NO HITACHI PART NO 01 POWER MODULE CASE FSP 6693006617 1 ASSEMBLY PCB MAIN BOARD PWB 0885 A 5098801042 1 ASSEMBLY PCB SIDE I O 0886 5097650503 1 ASSEMBLY PCB REAR I O 0887 5097650602 1 ASSEMBLY PCB LED IR PWB 0885 B 5098801043 ASSEMBLY PAD PWB 0885 C 5098801046 ASSEMBLY SWITCH PWB 0885 D 5098801045 P807 POWER CORE UK A05 056706081 1 V901 26 Panel Module LPL 1 260 2 51 01 051253001 1 SWOIB E071000001 1 Wire Ass y W12 12P 8057412007 1 P010A Wire Ass y W5 5P 057405010 1 Wire Ass y W8 8P 057408004 1 015 Wire Ass y W6 6P 057406003 1 V901A Wire Ass y W30 30P E057430010 1 V091B Ass y W12 14 12P 057414004 P905A Wire Ass y W4 2P 8057404012 1 SWOIA Wire Ass y Inlet W3P E057403012 SPOL SPEAKER 055100001 1 5 02 SPEAKER 055100001 1 SPOLA Wire Ass y W2P Conn E057402010 REMOTE CONTROLLER 052731083 001 USER S MANUAL 030037002 1 105 Downloaded From TV Manual com Manuals HITACHI 26LD8000TA YK No 019E
22. 24V CN2 DV BHW PCB Main CN3 5 SB 24 438V 42 8V 17 Downloaded From TV Manual com Manuals Sound Issue Picture is displayed But no sound Take off the back cover and check if wires of the speakers terminals have been well connected to the PCB Main and Speakers Connect the wires properly Are the voltages NO applied to 19 of e power supply unit Power supply unit Are the signals applied to PISD S GOOQ ofthe PCB Main or PCB I O Are there signals on the speaker terminals PCB Speaker Connector 019 24 15 Rout Rout Lout Lout GND GND PCB Audio Speakers No Picture Issue Picture is not displayed LED is lighting RED 15 the LED red or green 5 voltage applied 10 CN3G Power supply unit 15 the voltage of CN3 on the power supply unit PCB Main Power supply unit Are the voltages applied to P019 ofthe power supply unit correct Power supply unit Panel module CN3 38 45VSB 45V P019 58 38V 18 Downloaded From TV Manual com Manuals Remote Control doesn t Work Remote controller doesn t work Try if another Remote Controller works Replace the Remote Controller Check if batteries are Put new batteries to the placed correctly
23. 38 5 5 5 7926 5252318 GND IN GNO IN 1996 171628 32 7908 5 MMSZ52318 7909 5252318 0 IN 6 IN 1987 111608 0036 2910 3 5252318 2911 5252318 9 1328 1 16 8 3 1929 40 Downloaded From TV Manual com Manuals 2 PWB 0887 gt 41 Downloaded From TV Manual com Manuals Power Board gt 42 Downloaded From TV Manual com Manuals 77 Printed Wiring Board Diagram gt Main Board Top side PWB 0885 L 4 00000 C2 ra ME 8 m 1 onoono EES 2 00000010000 05 43 Downloaded From TV Manual com Manuals gt Board1 Top Side PWB 0886 0886 D 51 0 2994 m 10100035 TATUNG LAYER NO TOP SILK LAYER FILE NO 886 0 PCB Designed by Electronic R amp D Division TEL 2592 5252 EXT 3228 DATE Thu 24 2005 gt Board2 Top Side PWB 0887 PW8 0887 0 1 2 REAR 0 44 Downloaded From TV Manual com Manuals gt Power Board 45 Downloaded From TV Manual com Manuals RH 85210 8201 165202 85213 205401 25412 32 5 4 3 os oz 8
24. Exercise caution while working on the device as the TV contains high voltage parts and supply It is possible to sustain severe injury or death if you accidentally touch the wrong parts You must disconnect the power supply while servicing reassembling or change parts If you touch a live connection it is possible to sustain severe injury or death m Use recommended components Use only the recommended components or componentst that structurally identical to the originals This is to ensure safety and reliability Pay special attention to parts in the parts list and circuit diagrams marked with AN If you use non recommended components then electric shock or fire may result m Must use same types of wires and components The TV uses special tubes and tapes made from insulated materials Moreover some materials are kept from making contact with the PWB for the sake of safety Internal leads are kept from hot Q parts or high voltage parts by means of clamps or other measures As such you must restored these parts to their original conditions in order to prevent electric shock or fire Perform safety check when done Every part such as removed screws components and wiring must be restored to their prior conditions after servicing Be sure to check everything that was repaired for damage or mistakes Also measure the insulated impedance with a meg ohm meter to confirm that the impedance value is more than 4M
25. HITACHI 26108000 SERVICE MANUAL Caution Be sure to read this manual before servicing To ensure safety from fire electric shock injury harmful radiation and materials various measures are provided in this LCD TV Be sure to read cautionary items described in the manual before servicing These servicing instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that described in the operating instructions unless you are qualified to do so Service Warning Replacement work should be started after the Panel Module and the AC DC Power supply have become sufficiently cool Special care should be taken when working near the display area in order not to damage its surface The Panel Module should not be touched with bare hands in order to protect its surface from blemishes and damage It is recommended that you use clean soft gloves during the replacement work in order to protect not only the display area of the Panel Module but also yourself Contents Features 8 Block diagram Specifications 9 Wiring diagram Component names 10 Circuit diagram Service point
26. OR ASIA 34 Downloaded From TV Manual com Manuals 184 7 16 154 HH 1M2012 15 Ti 5 0 0 09 49 R270 2248 16 689 2012 500 x MSP3440G 18 432842 R229 Low active gt 1038 is Stondby now Mute gt Low ii B 1 16 c Teur z16v 2uF MAIN V 1 2012 158 Audio pre amplifier AUTIO MTS 35 Downloaded From TV Manual com Manuals 162 HH 1H4516 500 8292 27 22K C368 GNO AU 8 27 E 1 45532 8288 27 22 47067284 C398 22uF 16V CND AU R332 22k R33 amp 332 228 325 22 Becouse the power voltage under 25V R292 27K 22K R289 27 22 201 1P 6H To side board Ear jock Drown by ccce Sheet 12 of 15 36 Downloaded From TV Manual com Manuals Resistance type is OP 1 55 For MCU I P Port 0621 52 31 1521 MM 12 1 184516 882 215 rT ejes Tite MOTOR amp SRAM Number Motch ATSC boord amp 2521 tum 188 degree Hitachi 26 23 LCD TV FOR ASIA 3 22 28850 version 4 7 up down change Drawn by ccce 13 15 37 Downloaded From TV Manual com Manuals 0
27. PONGE V 642026413 4 fIPS LABEL 642442200 1 M2 ISIDE INPUT PANEL ASSEMBLY 5095670826 1 SIDE INPUT PANEL 642681500 1 SIDE TERMINAL PLATE 642441800 1 M3 TUNER PANEL E642323900 1 4 TERMINAL PANEL ASSEMBLY 5095670827 1 TERMINAL PANEL E642324200 1 TERMINAL PLATE E642441700 1 M5 BACK COVER ASSEMBLY 5095670824 1 a BACK COVER E641104810 1 b POWER BUTTON ASM E642852501 1 c TUNER PLATE E642441900 1 49 Downloaded From TV Manual com Manuals d MODEL LABEL TTL A05 E030538202 LABEL TCN A05 E030538204 M6 CONTROL BUTTON ASSEMBLY 5095670825 PANEL UP ASIA E642323202 b CONTROL BUTTON E642852301 M7 STAND ASSEMBLY 5095854669 TURN COVER ASIA E641418202 b STAND COVER ASIA E641418302 BASE 64 1418400 d STAND RING E641419600 e lSTAND BRACKET E640409900 fFOOT PAD E642030200 HINGE 648746800 15 BASE METAL 640409800 BASE LOOP E648743200 8 STAND HINGE COVER ASIA E641418502 M9 PRWP M3X14 5640228400 M10 CABLE CLAMP E642682000 M11 OF AL FOIL a OF AL FOIL E648006506 Downloaded 50 From TV Manual com Manuals OF AL FOIL E648006507 OF AL FOIL E648006520 M12 IRS CARTON 1513580256 M13 5 Bottom BR 1523580256 M14 EPS Bottom BL M15 EPE Bag 15333
28. RGB Analog input Easy to use remote control and on screen display system The included remote control operates all TV functions Futhermore the on screen display system shows the status of the control settings in an easy to view fashion Power saving system When connected to a VESA DPMS compliant PC the TV cuts its power consumption while idle Downloaded From TV Manual com Manuals 2 Specifications Displa Band rias NS Approx 26 005nches 604 H x 323 V mm diagonal 600 53mm Resolution 1366 H x 768 V pixels Net dimensions 661 9 W x 522 5 H x 266 9 D mm With Base Net weight 18 kg With Base Ambient Temperatur Operating 0 C to 40 C Storage 15 C to 50 C conditions Seres IIO Ven Relative umidity Operating 20 to 80 Storage 20 to 90 non condensing Power supply AC100 240V 50 60Hz Power consumption at standby 120W 1W Audio output Build in 10W 10W 4 Q RGB input RGB1 VGA audio terminal 3 5mm Stereo Mini Jack P RGB1 VGA analog RGB input terminal D sub 15 pin Input signals _ Video signals 0 7 V H V separate TTL level 2 Sync signals H V composite TTL level 2kO Sync on green 0 3 750 Recommended signal 5 modes Video input AV1 Component input Y PbPr Y CbCr RCA AV1 L R audio input terminal RCA AV1 L R audio input terminal RCA AV2 Component input Y PbPr Y CbCr
29. can initial the EEPROM Preliminary 1 To access the Bebbug Mode the TV must be ba ET EE running ENTER EXIT 6 Press and hold the 4 and 5 button VOLUMEA and VOLUME 7 While continuing to hold the 4 and 5 button press and hold the 1 button SUB POWER 8 After both buttons have been held down for five 5 seconds first release the 1 button then release the 4 and 5 button 9 As stated previously the input that the TV had selected at the time will determine which actual INITIALIZATION display will show up See below Initialize Down 16 Downloaded From TV Manual com Manuals 6 Troubleshooting The flow chart shown below will help you to troubleshoot your TV set with it doesn t display normally Each procedure offers a simple way to check for system errors Before starting ensure that there is a signal in and that the TV is turned on Power Turn On Issue Power cannot be turn LED does light Check ifthe Power Cord has been well connected to Connect the connector properly Test again 5 the input voltage NO applied to Power supply unit 14 Power AC Fuse 5HTP10 switch 5104250 0 Are the voltages applied to 226 pins and 204 2 pins of Power Power supply unit 110 120 Blue Brown CNA D438V 28V
30. f If the TV suddenly turns off try to press the standby button to turn on the TV once again If the TV goes back to normal there is no problem It takes a short period of time from the time an operation such as changing channels is performed until an image is displayed This is not a malfunction This is the time required for the image to stabilize it can be displayed The TV may make a crackling sound due to a sudden change in temperature The picture or sound may be normal If you hear crackling sounds frequently while you are viewing the TV there may be other causes As a precaution ask your service technician to inspect it The top of the TV and the screen may become hot during use but this has no effect on the performance of the TV Ensure that the ventilation holes are not blocked When the picture is unstable the screen may become white for a moment This occurs when the signal which drives the liquid crystal is missing This is not a malfunction When a still image has been displayed for a long period a faint residual image may remain on the screen for a short time after the power has been turned off or when another image is displayed This is not a malfunction and the image will eventually disappear 23 Downloaded From TV Manual com Manuals 8 Block Diagram LCD TV 500 400 Me OUT X
31. g the TV If the aerial suffers interference from a ratio tower or high voltage wire please contact your local dealer If the TV suffers interference from signals reflecting from mountains or buildings double pictures ghosting will occur Try to change the aerial s direction or replace it with one with better directionality Have the COLOR and BRIGHT settings been adjusted properly Videotaping teletext is not recommended because it may not record correctly When viewing images from commercially available video software products or videos from videotapes which been recorded improperly the top of the image may be distorted This is due to the condition of the video signal There is nothing wrong with the TV Poor sound Have you adjusted BASS TREBLE properly If the TV does not respond to the remote control Have the batteries of the remote control worn out Have you attempted to use the remote control the sides or rear of the from more than seven metersaway from the TV Use the remote control in the front of your TV or from less than seven meters away If the TV suddenly stops responding disconnect power cord of the from the AC outlet Connect them to the AC outlet again to turn on the TV If the TV returns to a normal state it is not a failure 22 Downloaded From TV Manual com Manuals Other concerns When the SLEEP TIMER function operates the TV is auto matically turned of
32. se read this self diagram function guide carefully before you ask to have the TV repaired You may be able to fix it easily by yourself For example if the mains plug is disconnected from the mains outlet or the TV aerial has problems you may think there is a problem with the TV itself Important This self diagram function guide only covers problems whose causes not easy to decide If you a question when you are operating a function read the page s for that function carefully not this self diagram function guide If you follow the advice this self diagram function guide without any success unplug the mains plug and ask your TV to be repaired Do not attempt tp repair the TV by yourself or to remove the rear cover of the TV If you cannot turn on the Are the AC plug on the power the TV is connected to AC outlet Poor picture If noise totally blocks out picture there be problem with the aerial the aerial cable Check the following to try to solve the problem Have the TV and aerial been connected properly Has the aerial cable been damaged sthe aerial pointing in the right direction Is the aerial itself faulty the TV or aerial suffers interface from other equipment stripes noise appear the picture Move equipment such as an amplifier personal computer or a hair drier that can cause interference away from your TV Or try movin
33. the impedance value is less than 4M ohm then electric shock or fire may result Downloaded From TV Manual com Manuals PRECAUTIONS Cleaning the TV s LCD screen panel Before cleaning the TV turn it off and disconnect the power plug from the power outlet To prevent scratching or damaging of the LCD screen face do not knock or rub the surface with sharp or hard objects Clean the screen with a soft cloth moistened with warm water and dry with a second soft cloth If it is not enough then use a cloth with mild detergent Do not use harsh or abrasive cleaners Cleaning the TV s cabinet Use a soft cloth to clean the TV s cabinet and control panel When excessively soiled dilute a neutral detergent in water wet and wring out the soft cloth in it gently clean the cabinet and then wipe it down with a dry soft cloth Never use acid alkaline detergents alcoholic detergents abrasive cleaners powder soaps OA cleaners car wax glass cleaners and so on They will cause discoloration scratches or cracks 1 Features Enhanced definition LCD display panel The 26 inch color LCD display panel with a resolution of 1366 H x 768 V pixels creates a widescreen picture This panel features a thin form factor and can be hung on a wall with an optional wall mounting kit High Performance Digital Processor This panel displays a wide range of personal computer signals from 640 x 480 800 x 600 SVGA to 1280 x 768 WXGA
Download Pdf Manuals
Related Search