Sharp LC-20C2E Скачать руководство пользователя | Manualshive

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LC-20C2E

• Precautions in handling the LCD panels.
1. Work in a clean room. (with humidities below 50%)
2. Be sure to wear an anti-static armband.
3. Handle the panels on an electroconductive mat.
4. Be careful not to fall, shake and shock the panels.
5. Use an ionizer. (within 30cm)

15.Remove 8 screws from the LCD unit and detach the shielding plate.
16.Remove 2 reflevction sheets.
17.Remove the fluorescent lamp.
18.Remove the light guide.
19.Remove the spacer.
20.Remove the diffusion sheet, prizm sheet and D-BEFE.
21.Remove the LCD Panel.

17

19

18

17

19

Fluorescent Lamp

Light Guide

Fluorescent Lamp

16

Reflection Sheet 2

Reflection Sheet 1

15

15

20

Diffusion Sheet

Spacer

Spacer

Prizm Sheet

D-BEFE

21

LCD Panel

Source-FFC

GATE-FFC

Shielding Plate

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Содержание LC-20C2E

Страница 1: ... THE SET 6 ADJUSTING PROCEDURE OF EACH SECTION 9 TROUBLE SHOOTING TABLE 12 CHASSIS LAYOUT 17 BLOCK DIAGRAMS 20 DESCRIPTION OF SCHEMATIC DIAGRAM 23 OVERALL SCHEMATIC DIAGRAM 24 SCHEMATIC DIAGRAMS 26 PRINTED WIRING BOARD ASSEMBLIES 46 PARTS LIST Ë ELECTRICAL PARTS 50 INVERTER A UNIT 50 INVERTER B UNIT 50 MAIN UNIT 50 VIDEO UNIT 54 SWITCH UNIT 55 S OUT UNIT 55 Ë CABINET PARTS LIST 56 Ë SUPPLIED ACCES...

Страница 2: ...connect AC power before servicing BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched and check that hardware is not lodged between the chassis and other metal parts in the receiver 2 Inspect all protective devices such as non metallic control knobs insulati...

Страница 3: ... Viewing angles H 160 V 160 Audio amplifier 2 5W 2 Speakers 5 cm φ 2 pcs Terminals AV IN1 RGB AV IN2 S VIDEO VIDEO AUDIO OUT AUDIO ANTENNA DIN HEADPHONES 3 5 mm φ jack Front OSD language English German French Spanish Italian Swedish Dutch Power requirement DC 13V AC 110 240 V 50 60 Hz Power consumption 42W Connected to DC13V Dimensions 476 6mm W 556 4mm H 229 4mm D Weight 8 0 kg incl stand excl ac...

Страница 4: ...p to 5 degrees forward or 10 degrees backward The TV set can also be rotated 40 degrees horizontally Please adjust the angle so that the TV set can be watched most comfortably Rear view L R AV IN 1 AUDIO OUT POWER INPUT DC13V RGB R L VIDEO AUDIO S VIDEO AV IN 2 POWER INPUT DC 13 V Antenna AUDIO OUT L AUDIO OUT R S VIDEO VIDEO Carring handle AUDIO L AUDIO R AV IN 1 21 pin Euro SCART i E CH TV VIDEO...

Страница 5: ... mm 379 476 6 556 4 187 369 4 1 296 3 403 28 298 8 300 8 401 3 110 295 8 220 4 256 9 0 5 56 5 9 8 229 4 18 5 163 9 12 5 65 5 1 VIDEO AUDIO S VIDEO L R AV IN 2 AV IN 1 RGB POWER INPUT DC12V AUDIO OUT L R 100 48 28 15 49 66 5 18 3 5 100 16 15 15 ...

Страница 6: ...4 screws and detatch the stand fixing angle 7 Disconnect the connectors from the PWBs 3 3 3 3 3 1 Stand Cabinet B Cabinet A 2 Terminal Cover 5 4 5 5 5 6 5 3 5 2 5 1 5 7 5 8 5 9 4 4 S OUT PWB Tuner Unit Video PWB Inverter A PWB Inverter B PWB SWITCH PWB P6751 P6755 P5001 P6551 P6555 P701 P703 P702 SC902 SC802 7 7 7 7 7 7 7 7 7 7 SC1202 SC901 P903 Main PWB P901 SC1201 P2003 P3301 P4004 P305 P304 P33...

Страница 7: ...VIDEO PWB 11 Remove 3 screws from the MAIN PWB 12 Remove 2 screws from the INVERTER B PWB 13 Remove 2 screws form the LCD panel 14 Remove 2 screws from the S OUT PWB 8 9 11 10 12 9 14 13 Inverter A PWB 21pin Terminal Fixing Angle Main PWB Switch PWB A Cabinet Chassis Frame LCD Panel Inverter B PWB Video PWB Tuner Unit ...

Страница 8: ...0cm 15 Remove 8 screws from the LCD unit and detach the shielding plate 16 Remove 2 reflevction sheets 17 Remove the fluorescent lamp 18 Remove the light guide 19 Remove the spacer 20 Remove the diffusion sheet prizm sheet and D BEFE 21 Remove the LCD Panel 17 19 18 17 19 Fluorescent Lamp Light Guide Fluorescent Lamp 16 Reflection Sheet 2 Reflection Sheet 1 15 15 20 Diffusion Sheet Spacer Spacer P...

Страница 9: ...ss mode 4 Entering the TUNER side adjustment process MENU key on the main body Cursor UP key remote control Select the position shown in the figure below and press the M key remote control within 1 second Enters the adjustment process 3 Adjustment MAIN side adjustment Press the M key to move the cursor and press the volume UP DOWN key to make an adjustment Power supply voltage adjustment B 5V Mode...

Страница 10: ...cess B ADJ Adjust the voltage of the pin 13 of P2002 to 5 0V 0 05V 3 2 Model setting Page 9 of MAIN side adjustment process MODEL Set to C2E 3 3 Inch size setting Page 9 of MAIN side adjustment process INCH SIZE Set to 20 3 4 COMMON BIAS adjustment of LCD module Page 9 of MAIN side adjustment process COM BIAS Input the picture of gray scale and adjust it so as to obtain the best contrast 3 5 CUTOF...

Страница 11: ...rror detection mentioned above it enters the adjustment process with the power LED red Entering the adjustment process turns OFF the error detection and turns ON TV This enables the operation check to detect errors in the lamp or lamp circuit Check whether ERROR NO RESET on line 7 page 1 of the adjustment process is 1 or more If it is 1 or more it indicates the lamp error detection was executed 4 ...

Страница 12: ...F4 and F5 Check P901 and connection cable Is T701 s primary oscillator waveform normal Check T701 s secondary load Yes Yes No No No No Yes Fluorecent lamp failure to light up Does F1 function Is the pin 34 of IC1201 in the H state Is the Q3603 short circuiting Is there short circuiting of T5701 and T5702 primary side periphery Q751 Q753 Yes Yes No No No Yes Replace the fluorecent lamp with new one...

Страница 13: ... Yes No No No TV and VIDEO 1 output Is voltages at pin 3 of W7 and pins 3 4 5 of W14 tuner normal Is output at pin 2 of W7 tuner normal Check the power line Check tuner and its peripheral parts Is input at pin 3 of IC402 normal Is the pins 2 and 4 of IC402 at H and L state Yes Yes No No No No No Yes No TV output Is the pins 65 and 66 of IC2001 at H and L state Yes Check the its line Check the its ...

Страница 14: ...f IC801 normal No No S VIDEO output Is input at pin 70 of IC801 normal Check the V2VO line and their peripheral parts No No line output Is input at pins 1 2 3 56 57 and 79 of IC801 normal Is output at pins 11 13 and 16 of I4 normal Check IC801 and their peripheral parts Check I13 and their peripheral parts Check I9 and their peripheral parts Check I4 and their peripheral parts Is output at pins 11...

Страница 15: ...source clock normal Check 3 3V outputs line of IC752 Check R1210 R1211 and their peripheral parts Check FB1203 and gate aray peripheral parts Is output of LBR and HG normal Yes Yes No No No Vertical line output No picture Check all the settings microprocessor s adjust process menu Is output of R0 R5 normal Is output of G0 G5 normal Is output of B0 B5 normal Check R1202 R1203 and their peripheral p...

Страница 16: ...ut at pins 26 and 27 of IC901 normal Is output at pins 1 and 7 of IC903 normal Yes Yes No No No No No No Is output at pins 1 and 7 of IC303 normal Yes Is output at pins 8 and 12 of IC3305 normal Yes Muting effect is on Check the FSMUTE line Check IC901 and their peripheral parts Check IC903 and their peripheral parts Check IC303 and their peripheral parts Check IC3305 and their peripheral parts Ye...

Страница 17: ...17 LC 20C2E A B C D E F G H 1 2 3 4 5 6 CHASSIS LAYOUT INVERTER A Unit INVERTER B Unit TUNER Unit ...

Страница 18: ...18 LC 20C2E A B C D E F G H 1 2 3 4 5 6 MAIN Unit Side A MAIN Unit Side B ...

Страница 19: ...19 LC 20C2E A B C D E F G H 1 2 3 4 5 6 SWITCH Unit VIDEO Unit S OUT Unit ...

Страница 20: ...1 6552 6555 Q6751 6752 6755 INV VCC INV DC13V KEY REMOTE CONTROL RECEIVER RESET IC2002 CS E 2 PROM IC2004 I 2 C I 2 C I 2 C I 2 C MICON IC2001 MP_CLK MPDA DAC1CS CONTROL SIGNAL LLC1 LLC2 FIELD VSY HSY UV0 UV7 VP_Y0 VP_Y7 DACM_L R DACA_L R MSP IC901 VPC IC801 HSY ANALOG SWITCH IC2007 HSY2 HD CSYNC 5V 31V 14V 8V 38V 16V 9V 5V 8V 3 3V 3 3V REG IC752 IC201 Q204 Q202 Q203 5V REG IC751 C DC T701 INV DC ...

Страница 21: ...IN M S OUT V OUT VPC SC1 OUT L R MSP V IN3 VPC SC2 IN L R MSP V IN2 VPC AN IN1 MSP SC2 OUT L R MSP SC902 I 2 C I 2 C I 2 C OSD SC802 DC 13V P904 ANALOG SWITCH I4 MICON I9 ANALOG SWITCH I13 R_OSD G_OSD B_OSD H V TUNER W7 W14 SOUND L R RF AV1 SOUND L R AV1 PICTURE R_SCART G_SCART B_SCART AV1 SOUND OUTPUT L R AV1 PICTURE OUTPUT SCL SDA I 2 C I 2 C E 2 PROM I2 ROM I3 MEMORY I6 DC JACK J3702 SC903 J902...

Страница 22: ...dication of resistors and capacitors Resistors Unit Nonindication Ω K kΩ M MΩ Error Nonindication 5 F 1 D 0 5 Capacitor Unit Nonindication or µ µF P or p pF IMPORTANT SAFETY NOTICE PARTS MARKED WITH å ARE INPORTANT FOR MAINTAINING THE SAFETY OF THE SET BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FORMAINTAINING THE SAFETY AND PERFORMANCE OF THE SET CAUTION This circuit diagram is original on...

Страница 23: ...25 LC 20C2E 24 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 SCHEMATIC DIAGRAM MAIN PWB VIDEO PWB INVERTER A PWB INVERTER B PWB SWITCH PWB S OUT PWB TUNER PWB RUNTK0704CEZZ LCD SOURCE LCD GATE BACK LIGHT ...

Страница 24: ...26 LC 20C2E A B C D E F G H 1 2 3 4 5 6 SCHEMATIC DIAGRAMS Ë Ë Ë Ë Ë INVERTER A Unit ...

Страница 25: ...27 LC 20C2E A B C D E F G H 1 2 3 4 5 6 Ë Ë Ë Ë Ë INVERTER B Unit ...

Страница 26: ...29 LC 20C2E 28 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 ...

Страница 27: ...31 LC 20C2E 30 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 ...

Страница 28: ...33 LC 20C2E 32 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 ...

Страница 29: ...35 LC 20C2E 34 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 ...

Страница 30: ...37 LC 20C2E 36 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 6 ...

Страница 31: ...39 LC 20C2E 38 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 å AND SHADED COMPONENTS SAFETY RELATED PARTS 6 ...

Страница 32: ...40 LC 20C2E A B C D E F G H 1 2 3 4 5 6 Ë Ë Ë Ë Ë VIDEO Unit ...

Страница 33: ...41 LC 20C2E A B C D E F G H 1 2 3 4 5 6 Ë Ë Ë Ë Ë SWITCH Unit ...

Страница 34: ...43 LC 20C2E 42 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 ...

Страница 35: ...45 LC 20C2E 44 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Страница 36: ...46 LC 20C2E A B C D E F G H 1 2 3 4 5 6 PRINTED WIRING BOARD ASSEMBLIES Inverter B Unit Inverter A Unit ...

Страница 37: ...47 LC 20C2E A B C D E F G H 1 2 3 4 5 6 Main Unit Side B Main Unit Side A ...

Страница 38: ...48 LC 20C2E A B C D E F G H 1 2 3 4 5 6 Video Unit Side A Video Unit Side B ...

Страница 39: ...49 LC 20C2E A B C D E F G H 1 2 3 4 5 6 S OUT Unit Side A S OUT Unit Side B Switch Unit Side A Switch Unit Side B ...

Страница 40: ...ide AB R6753 VRS TX2HF000J J 0 1 2W Metal Oxide AA R6754 VRS TX2HF000J J 0 1 2W Metal Oxide AA R6755 VRS CY1JF822J J 8 2k 1 16W Metal Oxide AA R6756 VRS TQ2BD333J J 33k 1 8W Metal Oxide AA R6757 VRS TX2HF000J J 0 1 2W Metal Oxide AA R6758 VRS TQ2BD000J J 0 1 8W Metal Oxide AA R6759 VRS TX2HF000J J 0 1 2W Metal Oxide AA R6760 VRS TX2HF000J J 0 1 2W Metal Oxide AA R6761 VRS TQ2BD000J J 0 1 8W Metal ...

Страница 41: ...E C734 VCKYTV1CF105Z J 1 16V Ceramic AB C735 RC EZ0416CEZZ J 330 6 3V Electrolytic AD C737 RC EZ1339CEZZ J 220 16V Electrolytic AD C738 RC KZ1025CEZZ J 1 10V Ceramic AB C740 VCEAPF1EN475M J 4 7 25V Electrolytic AC C741 VCKYTV1CF105Z J 1 16V Ceramic AB C747 VCKYTV1HB562K J 5600p 50V Ceramic AA C748 RC EZ1339CEZZ J 220 16V Electrolytic AD C749 RC EZ1177CEZZ J 150 6 3V Electrolytic AH IC304 VHiBH3543...

Страница 42: ...152K J 1500p 50V Ceramic AA C942 VCKYCY1HB561K J 560p 50V Ceramic AA C943 VCKYCY1EF104Z J 0 1 25V Ceramic AA C944 VCEAPF1CW106M J 10 16V Electrolytic AB C945 VCEAPF1HW225M J 2 2 50V Electrolytic AB C946 VCEAPF1HW225M J 2 2 50V Electrolytic AB C954 VCEAPF1CW106M J 10 16V Electrolytic AB C955 VCKYTV1CF105Z J 1 16V Ceramic AB C956 VCKYTV1CF105Z J 1 16V Ceramic AB C957 VCEAPF1EW475M J 4 7 25V Electrol...

Страница 43: ...2BD683J J 68k 1 8W Metal Oxide AA R734 VRS CY1JF393J J 39k 1 16W Metal Oxide AA R735 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R736 VRS CY1JF1R0J J 1 1 16W Metal Oxide AA R741 VRS TQ2BD000J J 0 1 8W Metal Oxide AA R747 VRS CY1JF000J J 0 1 16W Metal Oxide AA R748 VRS CY1JF000J J 0 1 16W Metal Oxide AA R751 VRS CY1JF1R0J J 1 1 16W Metal Oxide AA R752 VRS CY1JF154J J 150k 1 16W Metal Oxide AA R753 VRS...

Страница 44: ... 4 7k 1 16W Metal Oxide AA R1228 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1230 VRS CY1JF562J J 5 6k 1 16W Metal Oxide AA R1231 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1232 VRS CY1JF101J J 100 1 16W Metal Oxide AA R1233 VRS CY1JF101J J 100 1 16W Metal Oxide AA R1234 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R1237 VRS TW2ED472J J 4 7k 1 4W Metal Oxide AA R2001 VRS CY1JF102J J 1k 1 16W Metal Oxide AA ...

Страница 45: ...4TK AC Q3306 VS2SC2712Y 1 J 2SC2712Y AB Q3600 VSUPA606T 1 J UPA606T AD Q3601 VSUPA606T 1 J UPA606T AD Q3602 VSUPA606T 1 J UPA606T AD DIODES D3301 VHDDAN222 1 J DAN222 AA D3302 RH EX1396CEZZY J Zener Diode AB D3600 VHDiMN10 1 J IMN10 AB D3601 VHDiMN10 1 J IMN10 AB D3602 VHDiMN10 1 J IMN10 AB D3603 VHDiMN10 1 J IMN10 AB CAPACITORS C3359 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3360 VCEAPF1CW107M J 1...

Страница 46: ...J Hinge Angle x2 AE 3 9 LX BZ3441CEFN J Screw AD 3 10 MHNG 3034CEFW J Hinge L AV 3 11 MHNG 3035CEFW J Hinge R AV 3 12 MHNG 3036CEFW J Swivel Hinge AX 3 13 PSPAZ0415CEZZ J Cushion x2 AB 3 14 XCSSN50P25000 J Screw x4 AB 3 15 XCBSD50P25000 J Screw x4 AB 3 16 XESSD40P14000 J Screw x8 AB 3 17 XESSN40P10000 J Screw x8 AB 3 18 XWHSN50 16120 J Washer x4 AB 3 19 PSPAT0079CEZZ J Spacer x2 AC å 4 KLMP 0117CE...

Страница 47: ...10 1 3 1 5 1 9 1 12 1 13 1 6 1 14 1 14 1 9 1 1 11 1 1 1 8 1 2 1 6 1 12 1 13 15 4 14 7 11 12 13 18 20 29 22 5 48 2 1 2 5 2 4 21 27 27 2 2 32 2 2 3 31 3 4 3 3 5 3 15 3 18 3 6 3 9 3 2 3 14 3 17 3 13 3 13 3 17 3 11 3 16 3 7 3 1 24 30 30 30 30 39 33 35 43 36 36 36 44 43 43 43 43 30 40 40 38 38 37 37 3 10 3 16 3 8 3 3 3 19 3 19 3 8 3 12 3 16 32 14 41 36 Y Y Switch PWB S OUT PWB 39 38 23 28 E C Y F I D P...

Страница 48: ...per SSAKH0176CEZZ Protection Bag SPAKH0150CEZZ Protection Sheet SPAKC5552CEZZ Packing Case TLABK0001TAZZ No Label TiNS 7412CEZZ Operation Manual LHLDW0109CESA Cable Clamp Battery SSAKA0160CEZZ Operation Manual Polyethylene Bag RRMCG1656CESA Remote Control UADP 0218CEZZ AC Adaptor QACCK0002TAZZ LC 20C2E QACCB0016TAZZ LC 20C2E K Power Supply Cord å å ...

Страница 49: ...59 LC 20C2E ...

Страница 50: ...01 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher DJapanPJapan TQ1186 S Aug 2001 Printed in JAPAN NA KY ...

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