Sharp LC-15A2E, Service Manual

Page 1: ...ANUAL 4 OUTLINE DIMENSION FIGURE 5 DISASSEMBLY OF THE SET 6 ADJUSTING PROCEDURE OF EACH SECTION 8 TROUBLE SHOOTING TABLE 10 CHASSIS LAYOUT 16 BLOCK DIAGRAMS 18 WAVEFORMS 22 DESCRIPTION OF SCHEMATIC DIAGRAM 24 SCHEMATIC DIAGRAMS 25 PRINTED WIRING BOARD ASSEMBLIES 32 PARTS LIST Ë ELECTRICAL PARTS 37 MAIN UNIT 37 SWITCH UNIT 41 R C UNIT 42 Ë SUPPLIED ACCESSORIES PARTS 42 Ë PACKING PARTS 42 Ë CABINET ...

Page 2: ...f any circuit should be attempted 2 Disconnect 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...

Page 3: ... hours Viewing angles H 160 V 160 Audio amplifier 0 6 W 2 2 5 W 1 Speakers 3 4 cm 2 pcs 65 mm φ 1 pc Terminals AV1 AV IN1 S VIDEO IN COMPONENT AV2 AV IN2 AV OUT ANTENNA DIN HEADPHONE 3 5 mm φ jack Rear OSD language English German Dutch French Italian Spanish Swedish Power requirement DC 12V AC 110 240 V 50 60 Hz Power consumption 27W Connected to DC12V Weight 3 9 kg approx incl stand excl accessor...

Page 4: ... the same functions as the same buttons on the remote control Funda mentally this operation manual provides a description based on operation using the remote control Remote control POWER INPUT DC 12 V Headphones Antenna AUDIO OUT R AUDIO OUT L S VIDEO VIDEO AUDIO R AV IN1 21 pin Euro SCART AUDIO L AV IN 2 Rear view 8 0 9 1 E T TEXT SOUND TV VIDEO END INFO MENU 2 3 4 5 6 7 i M CH CH OK Power OK Pro...

Page 5: ...LC 15A2E 5 OUTLINE DIMENSION FIGURE Units mm 359 52 45 30 3 76 5 205 171 9 29 4 10 9 1 5 310 6 342 9 1 1 ...

Page 6: ...he speaker connector 7 9 Remove the FFC from the FFC connector 8 on the main PWB 10 Remove the connector 9 from the switch PWB 11 Remove the right and left speaker connectors 0 on the terminal PWB Disassembly of the main PWB 1 Disconnect the flexible cable connectors q and w from the LCD panel 2 Disconnect the cable connectors e and r from the fluorescent lamp 3 Remove the four screws t Disassembl...

Page 7: ...move the panel shield plate 3 Remove the light guide sheet holder 4 Remove the reflection panel lamp unit 5 Remove the lamp unit 6 Remove the light guide sheet 7 Remove the ITO sheet angle 8 Remove the ITO sheet diffusion sheet and the polarising sheet 1 7 8 6 5 4 3 2 1 Panel Shield Plate Light Guide Sheet Holder Lamp Unit KLMP 0098CEZZ ITO Sheet Angle Polarising Sheet LCD Display Unit Wave Sheet ...

Page 8: ...s mode 4 Entering the TUNER side adjustment process MENU key on the main body Tuning 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 Model...

Page 9: ...ocess B ADJ Adjust the voltage of the pin 49 of SC401 to 5 0V 0 05V 3 2 Model setting Page 9 of MAIN side adjustment process MODUL Set to A2E 3 3 Inch size setting Page 9 of MAIN side adjustment process INCH SIZE Set to 15 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 CUTO...

Page 10: ...F3 and F4 Check S4701 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 Q754 short circuiting Is there short circuiting of T751 and T752 primary side periphery Q751 Q753 Yes Yes No No No Yes Replace the fluorecent lamp with new one a...

Page 11: ... 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 ...

Page 12: ...f IC802 normal No No S VIDEO output Is input at pin 70 of IC802 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 IC802 normal Is output at pins 11 13 and 16 of I4 normal Check IC802 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...

Page 13: ...source clock normal Check 3 3V outputs line of IC704 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...

Page 14: ...ns 2 and 11 of IC301 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 IC301 and their peripheral parts Yes Is output at Q25 Q26 normal Check Q25 and Q26 and connection cable Is the pin 54 of IC2001 in the L state Is output at pin 32 of IC901 normal Is output at pin 2 of IC...

Page 15: ...LC 15A2E 15 M E M O ...

Page 16: ...16 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side B ...

Page 17: ...17 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 TUNER Unit SWITCH Unit R C Unit ...

Page 18: ...ONTROL 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 MSP IC901 VPC IC802 HSY ANALOG SWITCH IC2007 HSY2 HD CSYNC 5V 31V 14V 8V 38V 16V 9V 5V 8V 3 3V 3 3V REG IC704 IC201 Q204 Q202 Q203 5V REG IC701 DC DC T701 PWM IC702 INV DC 13V PA DC 13V PA VCC INV VCC SIG VCC DC 13V OSD I 2 C bu...

Page 19: ...IN M S OUT V IN2 VPC DY SC1 IN L R MSP 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 DACA_L R W9 I 2 C I 2 C I 2 C OSD W1 DC 13V W13 ANALOG SWITCH I4 MICON I9 ANALOG SWITCH I13 R_OSD G_OSD B_OSD H V HEAD PHONE AMP Q18 Q23 TUNER W7 W14 HEAD PHONE SOUND L R SOUND L R RF AV1 SOUND L R AV1 PICTURE R_SCART G_SCART B_SCART AV1 SOUND OUTPUT L R AV1 PICTURE OUTPUT...

Page 20: ...22 LC 15A2E WAVEFORMS A V0 B V16 C V32 D V48 E V63 F B 5 5 G CSCOM H GCK I GSP J VACT K HC L HSY ...

Page 21: ...23 LC 15A2E M VSY N CK O SPIO P SPOI Q HG R IC2005 S CSYNC T VIDEO ...

Page 22: ...25 LC 15A2E Ë SWITCH and R C Unit A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SCHEMATIC DIAGRAMS ...

Page 23: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J LC 15A2E LC 15A2E å AND SHADED COMPONENTS SAFETY RELATED PARTS Ë MAIN Unit 1 2 26 27 ...

Page 24: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J LC 15A2E LC 15A2E å AND SHADED COMPONENTS SAFETY RELATED PARTS Ë MAIN Unit 2 2 28 29 ...

Page 25: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 A B C D E F G H I J LC 15A2E LC 15A2E å AND SHADED COMPONENTS SAFETY RELATED PARTS Ë TUNER Unit 30 31 ...

Page 26: ...32 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 PRINTED WIRING BOARD ASSEMBLIES Main Unit Side A ...

Page 27: ...33 LC 15A2E Main Unit Side B A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...

Page 28: ...34 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Tuner Unit Side A ...

Page 29: ...35 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Tuner Unit Side B ...

Page 30: ...36 LC 15A2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Switch Unit Side A Switch Unit Side B R C Unit Side A R C Unit Side B ...

Page 31: ... AF IC1105 VHiBU4053V 1 J BU4053V AE IC1106 VHiNJM4580V 1 J NJM4580V AE IC1107 VHiNJM4580V 1 J NJM4580V AE IC1108 VHiNJM4580V 1 J NJM4580V AE IC1109 VHiNJM353M 1 J NJM353M AG IC1110 VHiBU4053V 1 J BU4053V AE IC1201 RH iX3378CEZZ J IX3378CE AY IC1202 VHiPD485505 2 J PD485505 AY IC2001 RH iX3483CEN1 J IX3483CE BK IC2002 VHiPST529DM 1 J PST529DM AE IC2004 VHiBR24C08F 1 J BR24C08F AF IC2005 VHiBA7046F...

Page 32: ...821 VCEAPW1CN477M J 470 16V Electrolytic AE C822 RC KZ1025CEZZ J 1 10V Ceramic AB C825 RC KZ1025CEZZ J 1 10V Ceramic AB C830 VCEAPF0GW107M J 100 4V Electrolytic AC C831 VCKYCY1EF104Z J 0 1 25V Ceramic AA C839 VCKYCY1CF224Z J 0 22 16V Ceramic AA C840 VCKYCY1CF224Z J 0 22 16V Ceramic AA C841 VCKYCY1CF224Z J 0 22 16V Ceramic AA C842 VCEAPF0GW107M J 100 4V Electrolytic AC C844 VCKYCY1EF104Z J 0 1 25V ...

Page 33: ...tal Oxide AA R318 VRS CY1JF000J J 0 1 16W Metal Oxide AA R319 VRS TX2HF8R2J J 8 2 1 2W Metal Oxide AA R320 VRS CY1JF150J J 15 1 16W Metal Oxide AA R321 VRS CY1JF242J J 2 4k 1 16W Metal Oxide AA R322 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA DUNTKA314DE01 MAIN PWB UNIT Continued C848 VCEAPF0JW107M J 100 6 3V Electrolytic AC C874 RC KZ1025CEZZ J 1 10V Ceramic AB C875 RC KZ1025CEZZ J 1 10V Ceramic AB...

Page 34: ...l Oxide AA R968 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R969 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R1101 VRS CA1JF333J J 33k 1 16W Metal Oxide AA R1102 VRS CA1JF103J J 10k 1 16W Metal Oxide AA DUNTKA314DE01 MAIN PWB UNIT Continued R323 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R324 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R327 VRS CY1JF000J J 0 1 16W Metal Oxide AA R328 VRS CY1JF104J J 100k...

Page 35: ...l Oxide AA R1107 VRS CA1JF103J J 10k 1 16W Metal Oxide AA R1108 VRS CA1JF103J J 10k 1 16W Metal Oxide AA R1109 VRS CA1JF333J J 33k 1 16W Metal Oxide AA R1110 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R1111 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R1112 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1113 VRS CA1JF333J J 33k 1 16W Metal Oxide AA R1114 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1115 VRS C...

Page 36: ...271CEZZ J Zener Diode AB D4121 RH EX1271CEZZ J Zener Diode AB D4122 RH PX0368CEZZ J PhotoDiode AE CAPACITOR C4120 VCKYTV1CF105Z J 1 16V Ceramic AB RESISTORS R4187 VRS CY1JF331J J 330 1 16W Metal Oxide AA R4188 VRS CY1JF102J J 1k 1 16W Metal Oxide AA R4189 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R4190 VRS CY1JF101J J 100 1 16W Metal Oxide AA MISCELLANEOUS PARTS PSLDM4646CEFW J Shield AC RMC4101RR...

Page 37: ...pacer AB 2 15 XEPSN30P08000 J Screw AA 3 Stand Ass y 3 1 GCOVA1853CESA J Hinge Cover AH 3 2 GCOVA1854CESA J Rotation Cover AQ 3 3 GCOVH9302CEZZ J Protection Cover AE 3 4 GCOVH9303CE00 J Leg Cover AD 3 5 GDAi 1113CESA J Rotation Base AL 3 6 LANGF9549CE00 J Reinforcing Metal AS 3 7 LANGF9550CE00 J Reinforcing Metal AP 3 8 LX HZ3112CEFD J Screw AA 3 9 MHNG 3026CE01 J Torque Hinge BC 3 10 XBPSD40P0700...

Page 38: ... 21 21 30 38 32 36 4 10 13 8 9 11 24 25 5 17 22 23 MAIN Unit SWITCH Unit 48 18 20 19 1 8 1 7 1 2 1 1 10 1 5 1 12 1 6 1 11 1 6 1 12 37 1 11 1 1 1 3 26 44 1 4 1 9 1 9 1 9 2 3 2 12 2 7 2 14 2 5 2 1 2 8 2 11 37 43 49 46 2 37 2 6 29 2 4 39 2 7 2 10 34 39 2 13 2 14 2 15 41 50 40 47 3 3 9 3 11 3 2 35 3 9 3 6 3 3 3 1 3 8 3 5 3 10 3 12 3 7 3 10 3 4 28 TUNER Unit R C Unit ...

Page 39: ...10CEZZ Remote Control RRMCG1621CESA Battery 2 pcs UBATU0026GEZZ SPAKX2903CEZZ Buffer Material SPAKP0893CEZZ Wrapping Paper SSAKA0160CEZZ Operation Manual Polyethylene Bag TiNS 7213CEZZ Operation Manual LHLDW1028GEZZ Cable Clamp SPAKF0473CEZZ Pat SPAKF0405CEZZ Packing Material SPAKX2903CEZZ Buffer Material SPAKC5481CEZZ Packing Case FRONT TLABN0157CEZZ Barcode Label TLABK0001TAZZ No Label å ...

Page 40: ...29 2193 Japan COPYRIGHT C 2000 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 LC 15A2E D Japan P Japan TQ1026 S Dec 2000 Printed in JAPAN NA DS ...