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LT-22HG45E

22" LED TV

SERVICE MANUAL

Design and specifications are subject to change without notice.

ORIGINAL

MFR'S VERSION A

Содержание LT-22HG45E

Страница 1: ...LT 22HG45E 22 LED TV SERVICE MANUAL Design and specifications are subject to change without notice ORIGINAL MFR S VERSION A ...

Страница 2: ...All checks must be repeated with the AC line be used make sure it is of the polarized type cord plug connection reversed If necessary a nonpolarized adapter plug must be used only for the Since the chassis of this receiver is connected to one purpose of completing these checks side of the AC supply during operation service should not be attempted by anyone not familiar with the If available measur...

Страница 3: ...650o F 20o F 350o C 10o C In case of using high temperature soldering iron please be careful not to heat too long Pb free solder will tend to splash when heated too high about 1100o F 600o C All products with the printed circuit board with PbF printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure t...

Страница 4: ...e remote control 3 Select the Setup menu then press ENTER button 4 Select the Hotel Mode menu Using the LEFT RIGHT button on the remote control 4 Select the Hotel Mode menu 5 The setting items has now been returned to initial value ANTENNA CABLE AV COMPONENT SCART 1 Setting of the CH if select Default Source to TV input PC HDMI USB 21 Setting of the CH if select Default Source to TV input 100 Sett...

Страница 5: ...R CH Plan Preset CH 4000 Service in total of Analog and Digital Stereo Dual TV Sound Nicam A2 Dual Tuner Sound Muting Yes G 3 Power Power Source AC 220 240V AC 50Hz DC Power Consumption at AC 31 W at AC 230 V 50 Hz at DC Stand by at AC w EPG Timer w o EPG Timer 0 49 W at AC 230 V 50 Hz Per Year kWh Year Protector Power Fuse Yes G 4 Regulation Safety CE EN60065 2002 AMD 11 2008 Radiation CE X Radia...

Страница 6: ...es 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes Input Select Yes Guide EPG Yes Menu Yes Return Yes Enter CH List Yes Yes Yes Yes Yes Mute Yes Picture Size Yes Volume Up Yes Volume Down Yes TV Yes MEDIA Yes Freeze No Quick View No Play No Stop No Pause No Play Mode Yes Rec No T Rec No T TEXT Keys Subtitle Yes CH Up Page Up Yes CH Down Page Down Yes Freeze Hold Yes Quick View Sub Page Yes Search Teletext Yes Play ...

Страница 7: ...PC Picture Mode Yes Brightness Contrast Color Yes HOR POSITION VER POSITION Yes PHASE CLOCK Yes AUTO ADJUST Yes RED GREEN BLUE No DNR No Color Temperature Yes Backlight Yes WXGA INPUT No WVGA INPUT No Audio Sound Mode No Tone Control Bass Treble Balance Yes Surround Yes Equalizer Yes Speaker No Stable Sound Yes BBE No SRS WOW SRS 3D Focus Tru Bass No Variable Audio Out No Tuning Auto Tuning Analog...

Страница 8: ... Text txt Internet Hbb TV No BBC iPLAYER No Wide Mode AUTO 4 3 16 9 Zoom1 Zoom2 1 1 Yes CH Label Yes Reset TV Setting Yes HD Zoom Yes Picture Scroll Vertical Position No PFC Power Factor circuit No Freeze frame Yes Plug and Play No Power Management Yes Hearing Impaired Yes Audio Description Yes Power On LED No HDMI Mode Yes PC Mode Yes Blue Back Yes Scart Spec Scart1 AV in Yes AV out Yes A Tuner D...

Страница 9: ...0Hz WXGA 1280x768 Yes 60Hz WXGA 1280x720 Yes 60Hz WXGA 1360x768 Yes 60Hz SXGA 1280x1024 Yes 60Hz WXGA 1440x900 Yes 60Hz WSXGA 1680x1050 No Possible to Display FULL HD 1920x1080 Yes 60Hz 720 480i 4 3 Yes 60Hz 720 480i 16 9 Yes 60Hz 720 480p 4 3 Yes 60Hz 720 480p 16 9 Yes 60Hz 720 576i 4 3 Yes 50Hz 720 576i 16 9 Yes 50Hz 720 576p 4 3 Yes 50Hz 720 576p 16 9 Yes 50Hz 1280 720p Yes 50 60Hz 1920 1080i Y...

Страница 10: ...nt Safeguard No Quick Set up Sheet Yes Battery Yes UM size x pcs UM 4 x 2 pcs OEM Brand No AC Adapter No AC Cord for AC Adapter No AC Cord Yes AV Cord 2Pin 1Pin No HDMI DVI Cable No 3 in 1Mini Pin Cable Y CVBS Pb Pr Yes Registration Card No 300 ohm to 75 ohm Antenna Adapter No Stand Screw Yes 2pcs Stand Yes Frame Stand No G 12 Interface Switch Power Yes System Select No Main Power SW No Channel Up...

Страница 11: ... Yes Audio Input Mini Pin Jack φ3 5 STEREO G 13 Set Size Approx W x D x H mm 533 2 x 143 0 x 381 2 w o Stand Handle Approx W x D x H mm 533 2 x 48 5 x 353 2 G 14 Weight Net Approx 3 5kg 7 7 lbs Net w o Stand Handle Approx 3 3kg 7 3 lbs Gross Approx 4 5kg 9 9lbs Gross w Master Carton Approx kg lbs G 15 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin N...

Страница 12: ... ASS Y Refer to Fig 1 1 7 Remove the Main Unit in the direction of arrow C 1 Remove the 3 screws 1 2 Remove the Stand Ass y in the direction of arrow DISASSEMBLY INSTRUCTIONS 1 1 1 Stand Ass y 1 2 2 A Plate Jack B Shield Jack 3 3 3 C CN11 CN3 3 Main Unit CN2 CN5 CN6 CN17 1 2 BACK CABI ASS Y Refer to Fig 1 2 1 Remove the screw 1 1 4 POWER PCB Refer to Fig 1 4 2 Remove the 3 screws 2 3 Remove the Ba...

Страница 13: ...arrow A 2 Remove the screw 1 3 Remove the Angle Hinge in the direction of arrow B 4 Unlock the 2 supports 1 5 Remove the LED PCB in the direction of arrow C 6 Remove the Operation PCB in the direction of arrow D DISASSEMBLY INSTRUCTIONS LED PCB B 2 D Operation PCB 1 C A Remocon PCB Angle Hing Fig 1 5 ...

Страница 14: ...it Masking is carried out on all the parts located within 10 mm distance from IC leads DISASSEMBLY INSTRUCTIONS Fig 2 1 Masking Tape Cotton Tape IC Blower type IC desoldering machine Tweezers 2 Heat the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 NOTE Do not rotate or move the IC back and forth until IC 4 Peel off the Masking Tape can move back and forth easily after desol...

Страница 15: ...ect by resoldering NOTE 2 Supply the solder from the upper position of IC leads sliding to the lower position of the IC leads When the IC leads are bent during soldering and or Refer to Fig 2 6 repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So always be sure to replace the IC in this DISASSEMBLY INSTRUCTIONS Fig 2 5 Fig 2 8 IC Thin tip ...

Страница 16: ...ENU 1147 button on the remote control to select Setup 1 2 Press the DOWN button on the remote control to select Version Info 1 3 On the screen as shown in Fig 1 1 Model Name mt5365_eu_dvbs_cIplus_verf Version IDTV0801_002114_8_001_70 OUl Code 0x000C3B H W Model ID 0x0D12 H W Version ID 0x0001 S W Model ID 0x0D12 S W Version ID 0x0001 Checksum C7C6 Serial Number 2012 03 19 16 15 59 Fig 1 1 SERVICE ...

Страница 17: ...147 button on the remote control 4 Select the Color Temperature menu then press 7 Press the DOWN button on the remote control ENTER button on the remote control 8 Select the Video menu then press 5 On the screen as shown in Fig 1 1 ENTER button on the remote control 9 Select the Color Temperature menu then press ENTER button on the remote control 10 Press the UP DOWN button on the remote control C...

Страница 18: ...RTS LOCATION GUIDE WIRING CONNECTION LCD PANEL POWER PCB CP501 CP7001 REMOCON PCB J502 LED PCB CD7602 CD3004 CD2801 MAIN UNIT SPEAKER CN3 CN11 CN17 CN2 CN6 CN5 CN26 CN23 CN27 CN8 CN25 CN24 CN14 CN9 CN13 CN7 T1 OS7601 CP7601 OPERATION PCB CP2204 CD805 ...

Страница 19: ...l circuit No Is there voltage at pin6 of IC501 21VDC Yes Change R510 and peripheral circuit Yes Is there voltage Q501 169VDC Yes Is there voltage at pin5 of IC501 21VDC Check IC501 and peripheral circuit Yes Is there voltage at pin 8 of IC501 169VDC Check D505 and peripheral circuit No No Is there voltage at pin1 of IC501 5 7VDC Check R516 R534 and peripheral circuit Change POWER PCB Yes Yes Yes Y...

Страница 20: ...pins 1 and 9 of IC YD1517 F Connect SP WIRE CONNECTOR Change SPEAKER Check IC YD1517 F and peripheral circuit Yes Yes Yes No No and 9 of IC YD1517 F peripheral circuit Yes Is there signal at pins 4 and 6 of IC YD1517 F Check IC YD1517 F and peripheral circuit Yes Yes Change IC YD1517 F Is there voltage at pin 7 of IC YD1517 F 12VDC Check D514 and peripheral circuit Yes Yes ...

Страница 21: ...PEAR Does backlight shine No Yes Yes No Check R7003 and peripheral circuit Is there voltage at pin7 of IC 7001 5VDC Check IC7001 and peripheral circuit Is there voltage at pin2 12VDC Check D514 and L503 and peripheral circuit No Change IC 7001 Yes ...

Страница 22: ...ES NOT APPEAR Is Setting of color Normal No Yes Yes No Check IC MT5310CHHU and peripheral circuit Is there color signal at IC MT5310CHHU No Adjust the color Is the color signal received Receive the color signal Change IC MT5310CHHU Yes ...

Страница 23: ...S14K385E2S5M4 1SS133T 77 FCHS10A08 FCF10A20 HZS12NB2 SARS01 ZRM11C IC BA36 PUR1DCB549T1 470 UDZSNP11B TE 17 MA111 TX ATTINY48 MU NR887D TRANSISTOR 1 ANODE ANODE CATHODE 1 8 E B FA5640N D1 TE1 KIA431A AT PS2561AL1 1 V W KRC103SRTK FMV09N90E KTA1504S_Y_RTK 1 8 1 2 3 1 C B G D S ...

Страница 24: ...DS Bus SPDIF SPI FLASH 64Mbit EN25Q64 104HIP HDMI 1 EON AV2 Comp A in MTK AV2 Comp A in AUDIO L R AV2 Component CVBS Y Pb Pr Mini PC Comp Audio IN AUDIO L R SCART1 D sub PC CVBS_In Out 15pin RGB RGB SCART Side Audio_In Out SPDIF Out Coaxial Side HP Jack HP Jack 5V USB FUSE USB Sound AMP Side YD1517P Main Speaker YD 2W 2W DDR3 1333 1Gb NT5CB64M16DP CF NANYA ...

Страница 25: ...1 C7010 CP7001 L7002 C7001 IC7001 B7001 W004 C527 C524 C504 W001 W003 W803 W802 W845 C542_1 POWER INSERTED PARTS SOLDER SIDE R526 R528 R514 R506 C509 C505 R516 C503 C501 R520 R504 IC501 C536 R529 Q502 R522 R515 C523 C521 R523 R525 R519 R524 R513 Q504 W852 R532 Q503 W807 D517 R7001 R7002 R7008 R7012 R7011 R7010 R7009 C7013 C7012 C7015 R7017 R7013 C7016 R7005 C7002 R7003 C7004 R7004 C7005 C7017 D700...

Страница 26: ...POWER INSERTED PARTS SOLDER SIDE POWER CHIP MOUNTED PARTS SOLDER SIDE PRINTED CIRCUIT BOARDS ...

Страница 27: ...ED PARTS SOLDER SIDE REMOCON INSERTED PARTS SOLDER SIDE REMOCON CHIP MOUNTED PARTS SOLDER SIDE D2204 C2225 R2267 R2266_1 R2271 R2272 R2273_1 R2274_1 R2269 R2268 R2278 R2284 R2283 R2282 R2281 R2279 R2280 C2226 C2227 C2228 C2229 R2265_1 C2230 C2232 C2231 CP2204 IC2204 B2204 B2203 C2203 B2202 C2202 B2201 C2201 R2264 OPERATION TOP SIDE CEK600A 2 OPE 25 1 9 17 ...

Страница 28: ...LED INSERTED PARTS SOLDER SIDE PRINTED CIRCUIT BOARDS LED CHIP MOUNTED PARTS SOLDER SIDE REMOCON INSERTED PARTS SOLDER SIDE REMOCON CHIP MOUNTED PARTS SOLDER SIDE OPERATION TOP SIDE ...

Страница 29: ...K 1 2W R518 100 1 4W R529 10K 1 16W R523 2 2K 1 16W 1 R507 100 1 4W R513 220 1 16W R502 330 1 4W R532 10K 1 16W R519 10K 1 16W R534 15 1 4W D517 UDZSNP11B D512 HZS12NB2 D528 HZS33NB2 D527 HZS33NB2 IC501 FA5640N D1 TE1 POWER CONTROL IC 1 2 3 4 5 6 7 8 IS NON POLAR ONE THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP THE RESISTOR MARKED F IS FUSE RESISTOR NOTE IC502 KIA431A AT REGULATOR IC 1 2 3 D523 FCHS...

Страница 30: ...ART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W806 D7003 RB056L 40 R7014 47 1 10W R7013 47 1 10W R7004 100 1 10W R7008 3 9 1 4W 1 R7009 3 9 1 4W 1 R7010 3 9 1 4W 1 R7012 3 9 1 4W 1 R7011 3 9 1 4W 1 R7001 1K 1 16W R7017 47K 1 16W R7003 10 1 16W R7002 22K 1 16W R7005 10K 1 16W 1 IC7001 NR887D INVERTER DRIVE 1 2 3 4 5 6 7 8 L70...

Страница 31: ...URE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W804 W803 W801 R7605 100 1 16W 1608 CN2 FROM TO MAIN UNIT CN6 FROM TO MAIN UNIT HEAD PHONE REMOCON LED SCHEMATIC DIAGRAM PCBDT0 CEJ572 POWER ON LED GND STAND_BY LED LED PCB REMOCON LED PCB...

Страница 32: ... PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D2204 MA111 R2274_1 22K 1 16W 1 R2273_1 5 6K 1 16W 1 R2272 560 1 16W R2271 3 9K 1 16W R2269 8 2K 1 16W R2267 33K 1 16W R2266_1 18K 1 16W 1 R2265_1 10K 1 16W 1 R2280 1K 1 16W R2281 1K 1 16W R2282 1K 1 16W R2283 1K 1 16W R2279 1K 1 16W R2278 1K 1 16W R2268 10K 1 16W R2264 330 1 16W R2284 1K 1 16W CN6...

Страница 33: ...ARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION CP501 1 10 11 12 13 14 15 16 2 3 4 5 6 7 8 9 CN3 1 10 11 12 13 14 15 16 2 3 4 5 6 7 8 9 J3801 1 2 CEJ572 CEJ570 AT 3 3V GND REMOCON IN 4 3 2 1 4 3 2 1 AT 3 3V KEY_A KEY_B GN...

Страница 34: ...ms div 200mV div 200mV div PY PC AUDIO R 10µs div 1ms div 100mV div 500mV div PR AUDIO OUT L 10µs div 1ms div 200mV div 500mV div PB AUDIO OUT R 1ms div 1ms div 200mV div 2V div AU AUDIO IN L SPEAKER L 1ms div 1ms div 200mV div 2V div AU AUDIO IN R SPEAKER R NOTE Main Board Signal Input Output ...

Страница 35: ...102B 102B 112 113 114 207 111 205 204 204 205 106 108 203 203 203 PCB240 POWER PCB ASS Y 202 202 202 203 203 203 203 203 105 109 107 115 PCB270 OPERATION PCB ASS Y PCBDA0 REMOCON PCB ASS Y PCBDT0 LED PCB ASS Y 101A 101 101C 101B 201 101D 101D 101D 101D 101D 101D 201 104 MAIN001 MAIN UNIT ...

Страница 36: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM 7 9 5 8 4 1 3 10 11 6 12 13 14 15 2 ...

Страница 37: ...HEET JACK 2 1 115 X 800WQ0A266 FELT SHEET 1 201 X 8110K2660U SCREW TAP TITE P LAMI HEAD 2 6x6 2 202 X 8109I30A0U SCREW TAP TITE B WH7 3x10 3 203 X 810722660U SCREW TAP TITE S BIND 2 6x6 10 204 X 810722680U SCREW TAP TITE S BIND M2 6x8 2 205 X 8109230A0S SCREW TAP TITE B BIND 3x10 6 206 X 8107K2660S SCREW TAP TITE S LAMI HEAD 2 6x6 1 207 X 810722680S SCREW TAP TITE S BIND M2 6x8 1 REF NO PART NO DE...

Страница 38: ...CB ASS Y PCB PCB240 X A3LJ03W240P POWER PCB ASS Y CEL788A 1 RESISTORS R501 X R002T2562J RC 5 6K OHM 1 2W CR1 2W SS562JT B 1 R502 X R002T4331J RC 330 OHM 1 4W BCS4J0331A10 1 R503 X RC31X1126J RC 12M OHM 1W RCR60CT52A126J 1 R504 X R8X2R8334J RC 330K OHM 1 8W 1206W8J0334T5E 1 R505 X R3K781R27J R METAL OXIDE 0 27 OHM 1W ERX1FJR27H 1 R506 X R803R9333J RC 33K OHM 1 16W HPWG J 333 T50 1 R507 X R002T4101J...

Страница 39: ...2 5 1 C505 X CS0PCH411D CC 10 PF 50V CH GRM1882C1H100JA01D 1 C506 X P4K12D224K CMPP 0 22 UF 310V LE224 MX C3 5 1 C507 X CE39E0M13M CC 0 001 UF 250V E DE1E3KX102MB4BL01 1 C508 X P4K12D104K CMPP 0 1 UF 310V LE104 MX C3 5 1 C509 X CS0PB0415K CC 0 1 UF 50V B C0603X7R104K500NT 1 C511 X E8E1T3471M CE 470 UF 25V 25ZLH470MEFCT8 10 12 5 1 C512 X E8E2T3221D CE 220 UF 25V 25YXF220MEFCTA 8 11 5 1 C513 X C03L0...

Страница 40: ...ONTROL FA5640N D1 TE1 1 IC502 X I1KJ9A431A VARIABLE SHUNT REGULATOR TAPE KIA431A AT 1 IC505 X 000220002W PHOTO COUPLER PS2561AL1 1 V W 1 IC7001 X ILYD0887D0 LED DRIVER IC NR887D 1 TRANSISTORS Q501 X TK1009N900 FET FMV09N90E 1 Q502 X TAAA1504SY TRANSISTOR SILICON KTA1504S_Y_RTK 1 Q503 X TNAAC05002 COMPOUND TRANSISTOR KRC103SRTK 1 Q504 X TNAAC05002 COMPOUND TRANSISTOR KRC103SRTK 1 COILS B7001 X 024H...

Страница 41: ...HM 1 16W 0402WGF2202TCE 1 R2278 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2279 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2280 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2281 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2282 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2283 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 R2284 X R808R9102J RC 1K OHM 1 16W 0402WGJ0102TCE 1 CAPACITORS...

Страница 42: ...D JUMPER 2H0G0501 1 TUNER TU001 X 0164E03021 DIGITAL TUNER TDTK G731D A 1 OTHERS BT001 X 141U004021 BATTERY MANGAN AAA R03 1 BT002 X 141U004021 BATTERY MANGAN AAA R03 1 CD2801 X 06EH2U1011 CORD CONNECTOR EH2U1011 1 CD2801 X 06EH2U1011 CORD CONNECTOR EH2U1011 1 CD7601 X 06E8232206 CORD CONNECTOR E8232206 1 MAIN001 X 1564Y00005 MAIN UNIT T MT5310 91A 1 SP301 X 070Y433020 SPEAKER S0307F08 F 1 RESISTO...

Страница 43: ...SPEC NO M3LJ 03W O R NO F233167 ...

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