Toshiba 20VL14 Скачать руководство пользователя страница 40

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Y151

72001926

EW12-HUS2000000

AC Power Cord

SP-12A+IS-038A L=2M

K901

72001927

EFA1-8640014000

Remote Control-English

CT-864-CN14

E901

72001928

EPBT-201TAU0005

Panel TFT

AU 20.1" AU201SN01.V6

W601

72001890

EF61-3400500603

Square Speaker 20"(B)

34*34 6

Ω

[/5W(MAX) L=40/25cm

Safety Location No. TOSHIBA SN Parts No. (GOLANA)

Description

Specification

Содержание 20VL14

Страница 1: ...SERVICE MANUAL FILE NO 050 200415 20VL14 LCD TELEVISION ...

Страница 2: ...WIRING CONNECTION DIAGRAM 13 CIRCUIT BOARD DIAGRAMS 14 MAINBOARD 14 KEY CONTROL BOARD 18 LIGHT RECEIVING BOARD 18 EARPHONE BOARD 19 SCHEMATIC DIAGRAMS 20 BLOCK DIAGRAM 21 STANDARD MCU 22 SCALER 23 SCALER MEMORY 24 VIDEO DECODER 25 V CHIP CC 26 AUDIO PROCESSOR 27 POWER AMPLIFIER 28 AV SWITCH 29 NTSC TUNER 30 USA MTS 31 PANEL CONNECTOR 32 POWER SYSTEMS 33 I O CONNECTOR 34 USA 480P 35 IR BOARD 36 EAR...

Страница 3: ...and routing of the wiring should be the same as that used origi nally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow the original scheme CAUTION FOR ASSEMBLY WIRING After a repair has...

Страница 4: ...r the service operation is completed could possibly be in dan ger of injury or where there could be physical damage in the event of operational error SHOCK HAZARD The U indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustra tions or text The example shown to the left indicates the danger of electrical shock PROHIBIT DISASSEMBLY ...

Страница 5: ...n or a soft cloth If this does not remove the soiling breathe on the surface and then wipe again If the panel surface is extremely soiled use a CRT cleaner as a cleaner Wipe off the panel surface by drop the cleaner on the cloth Do not drop the cleaner on the panel Pay attention not to scratch the panel sur face 4 Leaving water or other fluids on the panel screen for an extended period of time can...

Страница 6: ...Rear TV VIDEO VOLUME Channel Power button Red LED Indicator Stand by Blue LED Indicator Power On Headphones Jack Audio R Audio L Video S Video PR PB Y Power Jack Audio Output R Audio Output L Audio R Audio L Video S Video ANT In AV1 AV2 ...

Страница 7: ...one channel number RECALL Press to go back to the last channel viewed MENU allows access to the menu display PICTURE Press to toggle between picture modes USER DYNAMIC MILD and THEATER SOUND Press to toggle between sound modes USER THEATER NEWS and HALL BRIGHT Press to toggle the brightness level between NORMAL BRIGHT and DARK DISPLAY Press to toggle the display information on and off SKIP ON OFF ...

Страница 8: ...8 LAYOUT OF MAJOR BOARDS Main board Inverter board Light receiving board Key control board ...

Страница 9: ...9 MECHANICAL DISASSEMBLY B214 A108 B210 B211 A106 A102 B211 A107 A104 B215 ...

Страница 10: ...10 B208 B205 B204 B209 B207 B214 B210 A101 U003 B212 B203 B202 U004 B209 W601 ...

Страница 11: ...11 U002 B208 A105 B201 U001 B206 B211 U902 E901 ...

Страница 12: ...12 PACKING DISASSEMBLY Accessory Box LCD TV Set Battery Y151 A703 A702 Y101 A701 Y150 K901 ...

Страница 13: ...13 WIRING CONNECTION DIAGRAM Key control board Main board Inverter board Light receiving board Right speaker Left speaker ...

Страница 14: ...14 CIRCUIT BOARD DIAGRAMS MAINBOARD 0171 4 ...

Страница 15: ...15 ...

Страница 16: ...16 0171 5 ...

Страница 17: ...17 ...

Страница 18: ...18 KEY CONTROL BOARD LIGHT RECEIVING BOARD ...

Страница 19: ...19 EARPHONE BOARD ...

Страница 20: ...Voltages read with DIGITAL MULTI METER from point indicated to chassis ground using a color bar signal with all controls at normal line voltage 120 volts 5 Waveforms are taken receiving color bar signal with enough sensitivity 6 Voltage reading shown are nominal values and may vary 20 except H V WARNING BEFORE SERVICING THIS CHASSIS READ THE WARNINGS AND CAUTIONS IN THE PREFACE CAUTION The interna...

Страница 21: ...DATA 0 15 LCLKB 3230_FID 3230_HREF TDA7499 08 Audio_AMP MUTE_AUDIO AUDIO_OUT_R AUDIO_OUT_L AUDIO_L_OUT AUDIO_R_OUT Z86129 06 V_CHIP 3230_HS VIDEO_OUT BOX OSDR I2C_SDA I2C_SCL OSDG OSDB W981616BH 6 04 Scaler_Memory MDQM2 MDQM0 MDQM1 MRAS MCAS MWE MMCKE MADDR 0 10 MD 0 31 MMCLK TA1343N 07 Audio_Processer I2C_SDA I2C_SCL AUDIO_L_IN AUDIO_R_IN AUDIO_L_OUT AUDIO_R_OUT IO_CONNECTOR 14 IO_CONNECTOR POWER...

Страница 22: ... 2 P1 3 P1 4 R156 4 7K 0603 Y4 14 318MHZ 49US DIP 1 3 2 Y G Y C245 27P 0603 NPO 50V C246 27P 0603 NPO 50V C372 100P 0603 NPO 50V C360 100P 0603 NPO 50V C359 100P 0603 NPO 50V C242 104P 0603 Y5V 50V Q24 SMBT3904 SOT23 SMD 1 3 2 C374 100P 0603 NPO 50V C373 100P 0603 NPO 50V U20B LM358 SO8 SMD 5 6 7 8 4 JP1 NI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 R154 4 7K 0603 U19 ATMEL 24C08 SO8...

Страница 23: ...INA20 PIXINA19 PIXINA18 PIXINA17 PIXINA16 DDE GND GNDP AGND2 AGND1 XI XO AVDD1 AVDD2 VDDP BB7 BB6 BB5 BB4 BB3 BB2 BB1 GNDP BB0 VDDP GB7 GB6 GB5 GB4 GB3 GB2 GB1 GB0 GNDP RB7 RB6 RB5 RB4 RB3 RB2 RB1 VDDP RB0 GNDP LCKB GND LCKA GNDP BA7 BA6 BA5 BA4 BA3 BA2 BA1 BA0 GA7 GA6 GA5 GA4 GA3 GA2 GA1 GA0 VDD VDDP RA7 GNDP RA6 RA5 RA4 RA3 RA2 RA1 RA0 LHSYNC LVSYNC LDTG GOUT0 GNDP GOUT1 VDDP GOUT2 I2CDATA I2CDL...

Страница 24: ... A5 A6 A7 A8 A9 A10 A11 DQM0 DQM1 RAS CAS WE CS CLK CKE NC NC D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 GND GND GND GND GND GND C334 22uF 16V 4 5 U25 W981616BH 6 SMD 1 7 13 25 38 44 21 22 23 24 27 28 29 30 31 32 20 19 14 36 17 16 15 18 35 34 33 37 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49 4 10 26 41 47 50 VCC VCC VCC VCC VCC VCC A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 DQM0 DQM1 RAS CAS W...

Страница 25: ... GNDY VSUPY Y3 Y2 Y1 Y0 C7 C6 C5 C4 VSUPC GNDC C3 C2 C1 C0 GNDSY VSUPSY INTLC AVO FSY HC HSYA MSY HS VS FPDAT VSYA VSTBY CLK5 XTAL1 XTAL2 ASGF NC GNDF VRT I2CSEL ISGND VSUPF VOUT CIN VIN1 VIN2 VIN3 VIN4 VSUPAI GNDAI VREF FB1IN AISGND R227 0 0603 C326 100uF 16V 6 5 C328 683P 0603 Y5V 50V C327 104P 0603 Y5V 50V L51 0 0603 MLB 160808 0120L N2 0603 C305 474P 0805 X7R 16V R262 1K 0603 C310 224P 0805 X7...

Страница 26: ... 1 3 2 R241 22K 0603 R248 22K 0603 C349 104P 0603 X7R 16V R249 220 0603 C350 100uF 16V 6 5 C348 100P 0603 NPO 50V R238 1 5K 0603 R237 1 5K 0603 R247 470 0603 C356 4 7uF 50V 5 11 L58 MLB 160808 0120L N2 0603 C351 104P 0603 Y5V 50V R230 4 7K 0603 R240 1K 0603 C346 100P 0603 NPO 50V R244 220 0603 R236 1 5K 0603 R231 10K 0603 R232 3 3K 0603 Q33 SMBT3904 SOT23SMD 1 3 2 L54 MLB 160808 0120L N2 0603 L56 ...

Страница 27: ...50V 4 7 C270 2 2uF 50V 4 7 C267 273P 0603 X7R 25V C260 10UF 25V 4 5 C261 223P 0603 X7R 50V R183 2 4K 0603 C269 822P 0603 X7R 50V C262 473P 0603 X7R 50V C258 103P 0603 X7R 50V L33 100UH 1 8W DIP U21 TA1343N DIP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 OC F4 F3 FF2 F1 Lch input GND Rch input Bias Filter Bass LPF R Treble HPF R Wch Output Rch Output Treble HPF L Bass LPF L Lch O...

Страница 28: ...1 C274 100UF 25V6 11 R196 1K 0603 C275 104P 0603 Y5V 50V R186 10K 0603 C282 105P 0603 Y5V 10V C284 100UF 25V 6 11 C276 105P 0603 Y5V 16V D13 SS14 1N5819 SMD 2 1 Q25 SMBT3906 SOT23 SMD 1 3 2 D12 1N4148 BAS32L SMD 2 1 C273 104P 0603 Y5V 50V C283 104P 0603 Y5V 50V C279 105P 0603 Y5V 10V C280 1000UF 25V 10 17 2Khr L36 BEAD 3 5 6 0 8 DIP C278 1000UF 25V 10 17 2Khr C277 NI 0603 R198 4 7 1206 C272 100UF ...

Страница 29: ...L B22 BW BR90 2 1 GND IN R131 75 0603 R122 100 0603 C132 NI 0603 NPO 25V CN6 RL B223 BR BBL AGR 90 3 2 1 GND SW IN R128 75 0603 C146 104P 0603 X7R 16V CN15 RL B322 AR BW BY 90 3 2 1 GND SW IN R132 75 0603 R124 75 0603 CN12 RL B322 AR BW BY 90 2 1 GND IN C141 NI 0603 NPO 25V C140 NI 0603 NPO 25V R129 100 0603 R130 100 0603 C120 10UF 25V 4 5 R115 330 0603 R111 0 0603 R108 75 0603 C126 225P 0805 X7R ...

Страница 30: ...03 Y5V 50V C68 104P 0603 Y5V 50V C65 1000uF 10V 8 14 L7 0 0805 U4 TUNER FQ1236_MK3 3 4 5 6 9 10 11 12 13 1 2 14 15 16 17 18 5V SCL SDA AS NC NC SIF CVBS 5V NC NC AF MPX CASE CASE CASE CASE C67 220uF 16V 6 11 L6 1mH DR8 10 DIP C61 1000uF 10V 8 14 C66 1000uF 16V 10 14 L5 1mH DR8 10 DIP R54 100 0603 L8 0 0805 L10 0 1206 NL252018 3 3UH 1206 SMD L11 0 0805 L9 0 0805 C62 1000uF 10V 8 14 R51 NI 0603 R52 ...

Страница 31: ...R46 220 0603 R42 470K 0603 R43 470K 0603 R47 100 0603 R45 100 0603 C48 33uF 50V 5 7 C41 2 2uF 50V 4 7 C37 2 2uF 50V 4 7 C53 102P 0603 X7R 50V C54 104P 0603 X7R 16V C40 2 2uF 50V 4 7 C55 333P 0603 X7R 16V C57 2 2uF 50V 4 7 U3 AN5832SASMD 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 NC WBTIME WBDET SPETIME SPEDET SPEFIL I2C PARA AGCSW MODE FOMO MUTE SIF B B ...

Страница 32: ... LVDSGND TXIN27 TXIN0 TXIN1 GND TXIN2 TXIN3 TXIN4 L30 KNF21050 SMD 1 2 3 1 2 3 C181 104P 0603 Y5V 50V C182 NI 0603 L29 NI 0603 L28 NI 0603 C183 NI 0603 C180 NI 0603 C179 NI 0603 CN19 FPC 50P P 0 5mm Down connection 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 RP18 NI 1 3 5 7 2 4 6 8 R R R R 1 2 3 4 RP17...

Страница 33: ...EF C97 104P 0603 X7R 16V R78 10K 0603 L18 100UH TC5026 C99 1UF 50V 5 11 LF1 EMI XFR4 9uH 5Pin 0 6 DIP 4 1 2 3 SS PS PF SF C73 104P 0603 Y5V 50V R63 1 1206 U6 AIC1117 3 3V SOT223 SMD 3 1 2 I G O C100 1UF 50V 5 11 R94 15K 0603 C72 470uF 25V 10 17 2Khr CN1 DC_JACK 2 1 90D 1 2 3 VIN GND NC R87 10K 0603 R93 24K 0603 L14 MLB 201209 0100A N4 C71 104P 0603 Y5V 50V R64 3K 0603 C81 47P 0603 X7R 50V C82 470u...

Страница 34: ...P 0603 Y5V 50V CN2 S7B PH K 90D 1 2 3 4 5 6 7 R99 10K 0603 R103 3K 0805 L20 MLB 160808 0120L N2 0603 C107 105P 0603 Y5V 10V C106 470UF 25V 8 11 C117 104P 0603 Y5V 50V C118 104P 0603 Y5V 50V L22 MLB 160808 0120L N2 0603 C115 104P 0603 Y5V 50V C114 104P 0603 Y5V 50V C116 104P 0603 Y5V 50V L21 MLB 160808 0120L N2 0603 C113 104P 0603 Y5V 50V C112 104P 0603 Y5V 50V C111 104P 0603 Y5V 50V C110 104P 0603...

Страница 35: ...3 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 67 68 69 70 71 72 73 74 75 76 77 78 79 80 GND G7 G6 G5 G4 G3 G2 G1 G0 GND VDD B7 B6 B5 B4 B3 B2 B1 B0 GND GND VDD VDD GND GND VD VD GND COAST HSYNC VSYNC GND GND PVD PVD GND MIDSCV CLAMP VD GND GND VD BAIN GND VD VD GND GAIN SOGIN GND VD VD GND RAIN A0 SCL SDA REF VD GND GND VD GND VSOUT SOGOUT HSO...

Страница 36: ...VSB 5VSB 5VSB 5VSB D2 LED_B D1 LED_R D3 BAV99 SMD 1 2 3 GND COM VCC D5 BAV99 SMD 1 2 3 GND COM VCC D4 BAV99 SMD 1 2 3 GND COM VCC CN1 CON5 1 2 3 4 5 6 U1 IR_RECIVER 1 2 3 S_OUT GND VCC R1 100 C2 104 C1 100UF 10V RED BLUE ...

Страница 37: ...ARPHONE BOARD AUDIOGND CN1 EARPHONE 7 6 5 4 3 2 1 L_EAR R_SPK L_SPK R_EAR L_OUT R_OUT GND R1 680 DIP 1 8W R2 680 DIP 1 8W J1 B5B PH K 1 2 3 4 5 6 7 8 SPK_R_IN GND SPK_L_IN GND AUDIO_L_IN GND AUDIO_R_IN GND ...

Страница 38: ...CT 1 2 3 4 S1 S2 S1 S2 SW2 SW_TACT 1 2 3 4 S1 S2 S1 S2 SW3 SW_TACT 1 2 3 4 S1 S2 S1 S2 SW4 SW_TACT 1 2 3 4 S1 S2 S1 S2 SW5 SW_TACT 1 2 3 4 S1 S2 S1 S2 SW6 SW_TACT 1 2 3 4 S1 S2 S1 S2 POWER_KEY CH_UP_KEY CH_DOWN_KEY VOL_UP_KEY VOL_DOWN_KEY INPUT_KEY ...

Страница 39: ...k Cabinet US B P 20VL14 A103 72001861 MP11 0016V131Z0 Back Cover B C 20VL14 A104 72001862 AET0 2011000001 Pedestal Ass y Stand 20VL14 A105 72001863 MP11 0004V102C0 Function Key F KEY 20VL14 A106 72001943 MP11 0011V130T0 I O Cover US R S C R 20VL14 A107 72001944 MP11 0012V130T0 I O Cover US L S C L 20VL14 A108 72001866 MP11 0007V131Z0 Handle 125 x 37 5mm H C 20VL14 A701 72001945 PB20 T201140021 Ins...

Страница 40: ...01 72001927 EFA1 8640014000 Remote Control English CT 864 CN14 E901 72001928 EPBT 201TAU0005 Panel TFT AU 20 1 AU201SN01 V6 W601 72001890 EF61 3400500603 Square Speaker 20 B 34 34 6Ω 5W MAX L 40 25cm Safety Location No TOSHIBA SN Parts No GOLANA Description Specification ...

Страница 41: ...ent 4 7k ohm HEADPHONES JACK 3 5 mm mini stereo Impedance 8 32 ohm Dimensions Width 19 06 inches 484 mm Height 19 72 inches 501 mm Depth 10 04 inches 255 mm Weight 19 62 lbs 8 9 kg Supplied Accessories Remote Control CT 864 and two AAA batteries Power cord AC adapter TAA Y58 The AC adapter can be only used for this LCD TV Do not use for other apparatus Owner s Manual Design and specifications are ...

Страница 42: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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