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Toshiba 14JL7E, Руководство по обслуживанию

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Toshiba 14JL7E Скачать руководство пользователя страница 12

– 12 –

LAYOUT OF MAJOR BOARDS

U903 IR Board

U901B KEY Board

U001 INVERTER UNIT

U901A MAIN (ANALOG) Board

U902 MAIN (DIGITAL) Board

U901D EARPHONE JACK Board

Front View

Содержание 14JL7E

Страница 1: ...SERVICE MANUAL LCD Color Television 14JL7E 14JL7H 14JL7R 20JL7E 20JL7H 20JL7R FILE NO 060 200442 Oct 2004 YC X ...

Страница 2: ...E MODE 7 LOCATION OF CONTROLS 10 LAYOUT OF MAJOR BOARDS 12 MECHANICAL DISASSEMBLY 13 EXPLODED VIEW 26 PACKING DISASSEMBLY 30 CHASSIS AND CABINET REPLACEMENT PARTS LIST 32 PC BOARDS BOTTOM VIEW 41 SPECIFICATIONS END APPENDIX SCHEMATIC DIAGRAM CIRCUIT BLOCK DIAGRAM 54 ...

Страница 3: ... 3 ...

Страница 4: ... 4 ...

Страница 5: ...he corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp so use caution to avoid in jury 3 If the panel surface becomes soiled wipe with cotton or a soft cloth If t...

Страница 6: ... 6 ...

Страница 7: ...egister your settings 1 Press the button on the Remote Controller to display the MUTE mark on the screen 2 Press the button again to delete the MUTE mark 3 Hold down the button while pressing the INPUT button on the TV while to enter the service mode The setting menu will appear SERVICE MODE S 1 RGB 2 DEF 3 COMB 4 OTHERS 5 TA1304 6 MSP3410 7 IIC 8 OPTION 9 AFT 10 VOL 11 BLIGHT 12 RESIZE Switching ...

Страница 8: ...uttons 0 9 correspond to main the RGB related settings For more information refer to 2 REMOTE CONTROL BUTTONS TV SWITCHES IN SERVICE MODE 3 2 DEF Switching items using the CH CH buttons 1 V_CENTER 46 HPOS 1 V_CENTER 3 3 COMB Not used 3 4 OTHERS Not used 3 5 TA1304 Switching items using the CH 27 NVOL 28 NICL 29 NICH 30 IDL 31 IDH 32 XVOL 1 V01 3 7 IIC Indicates bus line communication status BUS CO...

Страница 9: ... last circuit used and the number of detections Performs a diagnosis when a synchronization signal is detected from the input or AUDIO VIDEO signal is found to be present or absent The faulty location is displayed in color Execute a one time diagnosis for the first time by pressing the 9 button on the Remote Controller 1 Part number of microprocessor QA51 4 RESIZE Displays the resize firmware vers...

Страница 10: ...nput Audio output 2 IN S video Video Audio input Power standby indicator red DC IN 19V Power input Front Right side Dual function buttons Headphone jack 3 5mm For private listening connect headphones The sound from the speakers will be cut off automatically To adjust the volume press the VOLUME Cable holder Used to bundle the connected cables from the TV To use the smaller holder open the catch ar...

Страница 11: ...hannel selection s t Menu item selection s t Direct selection 0 9 Digit selection o Sound mute f Power on standby Volume Menu item adjustment CALL index initial MENU h Picture menu 8 Sound menu Teletext function These functions have duplicate locations on the TV Remote Control 11 ...

Страница 12: ... 12 LAYOUT OF MAJOR BOARDS U903 IR Board U901B KEY Board U001 INVERTER UNIT U901A MAIN ANALOG Board U902 MAIN DIGITAL Board U901D EARPHONE JACK Board Front View ...

Страница 13: ... them then remove the back cover toward by arrow direction 3 Remove 4 screws then remove the stand Note Be sure to lay down the main body by placing its LCD panel downward for disassembly using the electric conducting cushion The illustrations of disassembly describes for model 14JL7 A portion A portion Back cover Stand Electric conducting cushion BTB 4x12 Illustration describes for model 14JL7 ...

Страница 14: ...he back cover and stand Refer to item 1 2 Remove 5 screws and 4 hooks on both sides then remove the back cabinet Hook Back cabinet 14JL7E H R 20JL7E H R Front cabinet Hook Hook Back cabinet Front cabinet Hook Hooks Hooks Back cabinet BITTB 3x10 ...

Страница 15: ...emove the I O bracket R 6 Disconnects 2 wire harnesses and 3 FFC A 7 Remove 6 screws then remove the A D shield cover 8 Remove 4 screws and disconnect 1 FFC B and 1 cable on the Main Digital board then remove the Main Digital board 9 Remove 2 screws then remove the Main Analog board PP 3x8 I O Cover R I O Cover L I O Bracket L Main Analog Board I O Bracket R M 3x4 PP 4x6 BITTS 3x6 PP 3x8 M 3x4 M 3...

Страница 16: ...Disconnects 2 wire harnesses and 3 FFC A 6 Disconnects 1 cable and 1 FFC B 7 Remove 4 screws then remove the A D shield cover 8 Remove 4 screws then remove the Main Digital board 9 Remove 2 screws then remove the Main Analog board I O Cover R I O Cover L I O Bracket L Main Digital Board Main Analog Board I O Bracket R M 3x4 PP 4x6 PB 3x8 M 3x4 PB 3x8 M 3x4 BITTS 3x6 PB 3x8 M 3x4 BITTS 3x6 A A B B ...

Страница 17: ...Remove the back cover stand and back cabinet Refer to items 1 and 2 2 Remove the I O cover L Refer to step 3 in the item 3 1 3 Disconnects 5 wire harnesses 4 Remove 4 screws then remove the Inverter unit Inverter unit M 3x4 Harnesses Harnesses Harness ...

Страница 18: ...ack cover stand and back cabinet Refer to items 1 and 2 2 Remove the I O cover L Refer to step 3 in the item 3 2 3 Disconnects 8 wire harnesses 4 Remove 2 screws then remove the Inverter unit Inverter unit M 3x4 Harness Harness Harness ...

Страница 19: ...H R 1 Remove the back cover stand and back cabinet Refer to items 1 and 2 2 Disconnect 1 wire harness 3 Remove 4 screws then remove the LED lens trim 4 Remove 1 screw then remove the IR board FFC LED Lens trim IR Board BITTB 3x6 PAN HEAD 3x8 ...

Страница 20: ...R 1 Remove the back cover stand and back cabinet Refer to items 1 and 2 2 Disconnect 1 wire harness 3 Remove 5 screws then remove the LED lens trim 4 Remove the IR board FFC LED Lens trim IR Board BITTB 3x6 PAN HEAD 3x8 ...

Страница 21: ...he Earphone board 1 Remove the back cover stand and back cabinet Refer to items 1 and 2 2 Remove the Earphone board 3 Disconnect the FFC from the Earphone board Earphone board FFC Illustration describes for model 14JL7 ...

Страница 22: ...Refer to items 1 and 2 2 Remove the Main Analog board Main Digital board and Inverter unit Refer to items 3 and 4 3 Remove 3 screws 2 screws and 6 screws then remove the panel bracket with TFT panel 4 Remove 4 screws then remove the TFT panel BITTB 3x10 PP 3x8 BTB 4x12 Panel bracket TFT Panel ...

Страница 23: ... 1 and 2 2 Remove the Main Analog board Main Digital board and Inverter unit Refer to items 3 and 4 3 Remove 4 screws 8 screws and 2 screws then remove the panel bracket with TFT panel 4 Remove 4 screws then remove the TFT panel BITTB 3x12 BITTB 3x12 PP 4x6 Panel bracket TFT panel ...

Страница 24: ... Remove the Main Analog board Main Digital board Inverter unit and panel bracket with TFT panel Refer to items 3 4 and 7 3 Remove 4 screws then remove the Key board from the function key 4 Disconnect the FFC from the Key board BITTB 3x6 Function key Key board FFC Illustration describes for model 14JL7 ...

Страница 25: ...3 and 4 3 Remove the panel bracket Refer to step 3 in the item 7 4 Remove 1 screw and 4 spacers then remove the two speakers 9 2 20JL7E H R 1 Remove the back cover stand and back cabinet Refer to items 1 and 2 2 Disconnect 1 harness 3 Remove 4 screws and 4 spacers then remove the two speakers PAN HEAD 3x8 Spacers Speaker Speaker Harness Spacers Spacer Spacer Speaker Speaker Harness PAN HEAD 3x8 ...

Страница 26: ... PP4x6 BITTS 3x6 BITTS 3x6 BITTS 3x6 U902 A515 B211D B211C U901A U901B U901D B211B A401 A433 A515 A511 A512 A510 A201 U903 A263 PAN HEAD 3x8 PAN HEAD 3x8 SCREW 3x8 A520 A437 A520 A435 PP4x6 A440 A440 A513 A207 A207 A207B A207B B211A V001 A264 A511 A517 A A C D C E E D B B ...

Страница 27: ...412 SCREW BTB4X12SZN A513 70391354 SCREW BITTB3X6SZN A515 23717206 SCREW FLAT HEAD PHILLIPS M3X4 A517 23717206 SCREW FLAT HEAD PHILLIPS M3X4 A518 70391356 SCREW BITTB3X10SZN A520 23035412 SCREW BTB4X12SZN B211A 23712308 SCREW PP3X8SZN B211B 2 70391690 SCREW BITTS3X4 SZN B211C 23712308 SCREW PP3X8SZN B211D 23712308 SCREW PP3X8SZN B211E 23712308 SCREW PP3X8SZN U901A 1 23762181 PC BOARD ASSY UNIT ANA...

Страница 28: ... 28 ...

Страница 29: ... BITTB3X6 SZN A515 23717206 SCREW FLAT HEAD M3X4 A517 23717206 SCREW FLAT HEAD M3X4 A522 23730825 SCREW ST3X8SZN A523 23714308 SCREW PS3X8SZN A519 5 23717206 SCREW FLAT HEAD PHILLIPS M3X4 S1404E014 B211B 23717206 SCREW FLAT HEAD M3X4 B211C 23773308 SCREW PB 3X8 SCR B211D 23773308 SCREW PB 3X8 SCR B211E 23773308 SCREW PB 3X8 SCR U901A 4 23762442 PC BOARD ASSY UNIT ANALOGMAIN PD1860 1 AMAIN 5 237624...

Страница 30: ... 30 PACKING DISASSEMBLY P900 P800 K902 A701 A704B A704A A707 Y101A Y101B ...

Страница 31: ...T 90119 Y101A 1 23566382 OWNERS MANUAL ENG 2 23566382 OWNERS MANUAL ENG 3 23566386 OWNERS MANUAL ENG 4 23566382 OWNERS MANUAL ENG 5 23566382 OWNERS MANUAL ENG 6 23566386 OWNERS MANUAL ENG Y101B 1 23566383 OWNERS MANUAL IND 2 23566385 OWNERS MANUAL CT 3 23566388 OWNERS MANUAL RUS 4 23566383 OWNERS MANUAL IND 5 23566385 OWNERS MANUAL CT 6 23566388 OWNERS MANUAL RUS P800 1 23122474 P0WER UNIT AC DC 2...

Страница 32: ...4105330 CERAMIC CHIP 50V CH 33PF J 5 24105330 CERAMIC CHIP 50V CH 33PF J C221 24092538 CERAMIC CHIP 10V F 1UF Z C303 24109333 CERAMIC CHIP 25V B 0 033UF K C304 24092784 CERAMIC CHIP CK83B 10V 0 33UF K C305 24092784 CERAMIC CHIP CK83B 10V 0 33UF K C306 24092784 CERAMIC CHIP CK83B 10V 0 33UF K C307 24092784 CERAMIC CHIP CK83B 10V 0 33UF K C308 24092784 CERAMIC CHIP CK83B 10V 0 33UF K C309 24092784 C...

Страница 33: ...MICON 16V 470M KZH16VB470M S 5 24764471 ELECTROLYTIC 25V 470UF M 6 24073220 CHEMICON 16V 470M KZH16VB470M S C672 1 24206100 ELECTROLYTIC 50V 10UF M 7L 3A 2 24763101 ELECTROLYTIC 16V 100UF M 3 24206100 ELECTROLYTIC 50V 10UF M 7L 3A 4 24206100 ELECTROLYTIC 50V 10UF M 7L 3A 5 24763101 ELECTROLYTIC 16V 100UF M 6 24206100 ELECTROLYTIC 50V 10UF M 7L 3A C673 24669479 ELECTROLYTIC 50V 4 7UF M 3A C676 2459...

Страница 34: ...CTORLYTIC 16V 10UF M 7L 3A CV04 24206010 ELECTROLYTIC 50V 1 0UF M 7L 3A CV05 24203220 ELECTROLYTIC 16V 22UF M 7L 3A CV06 24591473 PLASTIC FILM 50V 0 047UF J CV11 24109103 CERAMIC CHIP 50V B 0 01UF K CV19 24092730 CERAMIC CHIP 16V B 0 1UF K CV20 24092730 CERAMIC CHIP 16V B 0 1UF K CV22 24092730 CERAMIC CHIP 16V B 0 1UF K CV33 24109103 CERAMIC CHIP 50V B 0 01UF K CV40 24109103 CERAMIC CHIP 50V B 0 0...

Страница 35: ...IP METAL FILM 1 20W 150 OHM J R517 2 24011222 CHIP METAL FILM 1 20W 2 2K OHM J 5 24011222 CHIP METAL FILM 1 20W 2 2K OHM J R520 1 24011271 CHIP 1 20W 270 OHM J 2 24011750 CHIP METAL FILM 1 20W 75 OHM J 3 24011271 CHIP 1 20W 270 OHM J 4 24011271 CHIP 1 20W 270 OHM J 5 24011750 CHIP METAL FILM 1 20W 75 OHM J 6 24011271 CHIP 1 20W 270 OHM J R521 1 24011271 CHIP 1 20W 270 OHM J 2 24011750 CHIP METAL F...

Страница 36: ...M J 4 24011221 CHIP METAL FILM 1 20W 220 OHM J 5 24011472 CHIP METAL FILM 1 20W 4 7K OHM J 6 24011221 CHIP METAL FILM 1 20W 220 OHM J RB03 24011103 CHIP METAL FILM 1 20W 10K OHM J RB04 24011102 CHIP METAL FILM 1 20W 1K OHM J RB06 24011102 CHIP METAL FILM 1 20W 1K OHM J RB07 24011102 CHIP METAL FILM 1 20W 1K OHM J RB08 24011102 CHIP METAL FILM 1 20W 1K OHM J RB09 24011101 CHIP METAL FILM 1 20W 100 ...

Страница 37: ...24000445 CHIP JUMPER 1608TYPE 5 24000445 CHIP JUMPER 1608TYPE L118 1 24000445 CHIP JUMPER 1608TYPE 2 24000445 CHIP JUMPER 1608TYPE 4 24000445 CHIP JUMPER 1608TYPE 5 24000445 CHIP JUMPER 1608TYPE L119 1 24000445 CHIP JUMPER 1608TYPE 2 24000445 CHIP JUMPER 1608TYPE 4 24000445 CHIP JUMPER 1608TYPE 5 24000445 CHIP JUMPER 1608TYPE L120 1 24000445 CHIP JUMPER 1608TYPE 2 24000445 CHIP JUMPER 1608TYPE 4 2...

Страница 38: ...204 TRANSISTOR NPN VEBO 25V KTC2875B RTK Q623 23205222 TRANSISTOR PNP R1 R2 47KOHM SRA2204S SOT 23 Q670 23205005 TRANSISTOR KTA2014Y Q671 23205290 CHIP TRANSISTOR KTC2020 DPAK Q704 23205057 TRANSISTOR KTC3875Y Q802 23085169 IC SW REGU TO263 5 SANKEN SI 8090JD Q803 23009577 IC SI 8033JD Q806 23085170 IC SW REGU TO263 5 SANKEN SI 8050SD Q807 1 23906441 IC BA05FP 2 23009575 IC BA09FP E2 3 23906441 IC...

Страница 39: ...EL SHIMUKE ASIA AS 3 23555178 LABEL SHIMUKE ASIA AS 4 23555178 LABEL SHIMUKE ASIA AS 6 23555178 LABEL SHIMUKE ASIA AS N920 1 23969946 TAPE 3 23969946 TAPE 4 23969946 TAPE 6 23969946 TAPE P103A 23713606 CONNECTOR CFP2507 0101 P103B 23713606 CONNECTOR CFP2507 0101 P108A 23713266 CONNECTOR 6FE ST VK N P108B 23713233 CONNECTOR 6FE BT VK N JST P611A 23713265 CONNECTOR 5FE ST VK N P611B 23713232 CONNECT...

Страница 40: ...3433309 DECORATIVE LEN W SILK PR 4 23433308 DECORATIVE LEN W SILK PR 5 23433308 DECORATIVE LEN W SILK PR 6 23433308 DECORATIVE LEN W SILK PR A263A 1 23433288 DECORATIVE LENS 2 23433288 DECORATIVE LENS 3 23433288 DECORATIVE LENS 4 23433291 DECORATIVE LENS 5 23433291 DECORATIVE LENS 6 23433291 DECORATIVE LENS A264 23445827 BUTTON CONTROL TSP2004020306 A401 1 23429141 CABINET BACK ASSY 2 23429141 CAB...

Страница 41: ...60 ZP03 D826 Q670 R857 ZP06 P104 C840 C818 R107 R801 C824 C834 L601 D674 R802 Q812 C804 C853 C826 C820 Z801 C832 C828 D802 R803 Q809 L110 R620 C813 D827 P101 R675 R828 P801 L803 R608 C106 C671 D671 R851 C451 Q803 Q810 C823 D810 C636 C801 C825 C835 L801 C854 R628 D811 C822 D610 GR82 D672 C811 ZP02 D809 ZP04 C844 D804 R816 C105 R627 D805 L609 L603 R830 C838 C633 R609 C821 R106 C842 Q612 L642 GJ02 D8...

Страница 42: ... 2 3 1 5 1 Q610 C678 LA02 TE7 L641 C676 C673 C682 LA102 TE2 CV06 QA10 TE8 CV05 P107 Q610A C677 C683 PV02 PV03 CV01 C679 LA01 L511 TE4 TE6 L640 5 4 3 2 1 C672 C670 C805 C841 F800 R833 L643 C812 P108A PV04 C802 C833 C814 LZ60 R857 P104 C840 C818 C826 C820 Z801 C828 P101 P801 C671 C451 C801 C825 C854 C811 C844 C821 C842 L642 D801 C836 T5A L 250V 1 7 6 1 L510 C400 LA85 TE3 C502 L508 L501 DB03 L505 L50...

Страница 43: ...ZP04 D801 C853 C840 Q802 Q816 D807 D810 C822 Q807 D811 C827 C820 Q806 C812 Z801 R821 GR80 Q817 C836 R805 D827 C841 L209 D809 L801 ZP06 L110 C825 D804 Q810 C844 C832 F800 C634 C828 P801 C838 R802 Q854 C801 D828 L802 Q812 C831 C813 C502 GR04 RV33 R816 C842 C818 C835 GJ01 L803 C810 C823 CB05 Q803 C809 D826 C514 GR48 GR49 C833 C821 Q808 R828 D803 L208 C826 R801 R822 P101 C854 C811 R833 C852 R628 ZP02 ...

Страница 44: ...CS10 L160 C670 CS06 CS12 C619 CS29 L644 C672 L640 C683 C676 L511 TE7 C643 CV05 PV06 L804 Q610A PV02 TE8 L805 TE3 PV03 LA85 TE5 L501 TE2 C677 CV06 C678 L641 LA102 LA02 XA03 LA01 C673 TE6 P107 C642 QA10 TE4 TE1 C682 Q610 CV01 C679 2 1 3 4 5 C451 C814 P105 1 R857 C802 D801 C840 C820 C812 Z801 L506 C836 C841 C825 C844 F800 C828 P801 C801 C502 C842 C818 C833 C821 L208 C826 P101 C854 C811 R833 C805 L510...

Страница 45: ...B04 DB04 KEY BOARD PD1860 2 20JL7E 20JL7H 20JL7R U901B TOP COMPONENT SIDE KEY BOARD PD1803 2 14JL7E 14JL7H 14JL7R U901B TOP COMPONENT SIDE KEY BOARD PD1803 2 14JL7E 14JL7H 14JL7R U901B BOTTOM FOIL SIDE 23590033B PD1803 2 VOL DOWN SA05 INPUT SA04 CH DOWN SA02 P103B SA03 SA01 SA06 7 1 VOL UP CH UP POWER SA04 SA05 SA02 P103B SA03 SA01 SA06 23547640 R 1786 23590062B PD1860 2 VOL DOWN SA05 INPUT SA04 C...

Страница 46: ...E JACK BOARD PD1803A 4 14JL7R U901D TOP COMPONENT SIDE 23590033A PD1803 4 C622 R625 P661 C621 P611B R624 5 1 C622 C621 PHONE JACK BOARD PD1803 4 14JL7E 14JL7H U901D PHONE JACK BOARD PD1803A 4 14JL7R U901D BOTTOM FOIL SIDE 23547640 R 1786 R625 P661 P611B R624 1 5 DIGITAL MAIN BOARD PD1840 U902 TOP COMPONENT SIDE DIGITAL MAIN BOARD PD1840 U902 BOTTOM FOIL SIDE 23547668 R 1786 R624 P661 5 1 R625 P611...

Страница 47: ...of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electolytic capacitor Mylar capacitor 3 The parts indicated with have special c...

Страница 48: ...C TV_V Audio Amp Audio Monitor Out L R IN L R MON SPK OUT RF INPUT QA51 Algista Micon MN101E02H I2C BUS Cin Yin Vin Cr in Cb RGB Buffers SCALER Reset INVERTER On Off Vdim KEY BOARD 14JL7 AND 20JL7 ANALOG BOARD SIGNAL BLOCK DIAGRAM FBP GENERATOR Hout FP pin HD VD LCD DISPLAY LVDS SIGNAL Tuner H001 EC981W1 12 18 23 26 17 25 24 ...

Страница 49: ...I 8033JD 5V 1 Q854 BA05FP DC19V Fuse F800 250V 5A P800 AC Adapter AC INPUT 240Vac MOSFET Switch Q817 TPC8105 H Power ON OFF switch Q819 Q816 5V Panel Q806 SI 8050SD 9V 2 Q807 BA09FP 9V 1 Q802 SI 8090JD 32V D826 D827 MA143A 19V Audio 19V Inverter ...

Страница 50: ... 56 MEMO ...

Страница 51: ...CD TFT Active matrix LCD VGA 640 H x 480 V dots VGA 640 H x 480 V dots Horizontal 170 Vertical 170 Channel System Channel VHF UHF CATV coverage PAL B G CCIR 2 12 21 69 X Z 2 S1 S41 PAL I UK 21 69 PAL D K CHINA 1 12 13 57 Z1 Z38 SECAM B G CCIR 2 12 21 69 X Z 2 S1 S41 SECAM D K OIRT 1 12 21 69 X1 X19 NTSC M US 2 13 14 69 A6 A 1 A W AA ZZ AAA BBB NTSC M JAPAN 1 12 13 62 M1 M10 S1 S41 Special RF Color...

Страница 52: ......

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