Sharp LC-10A3E, Service Manual

Page 1: ...ONS 3 OPERATION MANUAL 4 DIMENSIONS 5 DISASSEMBLY OF THE SET 6 ADJUSTING PROCEDURE OF EACH SECTION 9 TROUBLE SHOOTING TABLE 12 CHASSIS LAYOUT 16 BLOCK DIAGRAM 18 DESCRIPTION OF SCHEMATIC DIAGRAM 19 SCHEMATIC DIAGRAM 20 PRINTED WIRING BOARD ASSEMBLIES 27 PARTS LIST Ë ELECTRICAL PARTS 31 MAIN UNIT 31 TERMINAL UNIT 35 OPERATION UNIT 36 LED UNIT 37 Ë ACCESSORIES PARTS 37 Ë PACKING PARTS 37 Ë CABINET P...

Page 2: ...may create shock fire or other hazards WARNING 1 For continued safety no modification of 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 ...

Page 3: ...e 400 cd m2 Lamp life 60 000 Hours Viewing angles H 120 V 100 Audio amplifier 1 0 W 2 Speakers 3 4 cm 2 pcs Terminals AV1 AV IN 1 S VIDEO IN AV2 AV IN 2 AV OUT AV OUT ANT DIN H P 3 5 mm ø jack Rear OSD Language English German Dutch French Italian Spanish Swedish Power supply DC 12 V AC110 240 V 50 60 Hz Weight 1 9 kg w o accessories Accessories R C Batteries Wall mount parts AC adaptor AC cord AV ...

Page 4: ...N2 AV IN1 AUDIO AUDIO AUDIO V V V S R L POWER INPUT HEADPHONE Adjust the set stand to an angle so that the screen is easily visible The set stand can be opened up to 80 Rear terminal section AV input 1 terminal S Video input Video input Audio R L AV input 2 terminal Headphone output terminal DC input terminal Antenna input terminal AV output terminal VOL TV VIDEO CH VOL CH 8 9 0 LCDTV 1 2 3 4 5 6 ...

Page 5: ...5 LC 10A3E Dimensions Units mm Front View Rear View Side View 213 2 267 35 43 5 47 5 63 5 193 22 49 5 65 1 1 81 2 79 2 107 8 123 126 5 105 5 15 5 103 60 177 243 8 90 1 72 12 5 14 14 14 15 88 5 30 5 ...

Page 6: ...abinet B and open it slightly 3 Disconnect all the connectors 3 from the terminal and operation PWBs Detach the cabinet B 4 Disconnect all the connectors 4 from the main PWB 1 1 2 2 2 2 2 2 1 1 1 P2001 P3203 P3204 SC401 P7013 3 3 3 P701 P751 P2001 P2002 P752 P401 SC1201 SC1203 P301 4 4 4 4 Cabinet B Cabinet A Main PWB ...

Page 7: ...nit 7 Remove the two lock screws 7 off the remote control PWB 8 Remove the four lock screws 8 off the terminal PWB 9 Remove the two lock screws 9 off the operation PWB 10 Remove the two lock screws 10 off the flexible shield Main PWB LC display unit Cabinet A Cabinet B LED PWB Operation PWB Terminal PWB Flexible shield LC display unit rear view ...

Page 8: ...8 LC 10A3E 11 11 11 11 11 12 11 11 11 Undo the seven hooks 11 to release the unit frame 12 Detach the fluorescent lamp 12 Panel holder ...

Page 9: ...e Description In the ordinary menu select with the CH key and decide with the VOL key Then select PICTURE TINT only NTSC COLOUR BLACK LEVEL SHARPNESS RED BLUE GREEN and COLOUR SYSTEM with the CH key and decide with the VOL key After that adjust values with the VOL key VOLUME PICTURE TINT only NTSC COLOUR BLACK LEVEL SHARPNESS RED BLUE GREEN change as follows 3 Shipping setting mode Procedure Holdi...

Page 10: ...stment guideline is around 114 for Model LC 10A3E 6 3 TAMP adjustment 1 Receive the colour bar signal 2 See if the Y reading on page 2 of the adjustment process is somewhere between BO and BA If not make the PAL TAMP adjustment to get the Y reading in the range of BO thru BA Adjustment process menu on screen display on page 2 0 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 2...

Page 11: ...L NTSC PWM FREQ 000 FFF 0C0 PAL PWM FREQ 000 FFF 0BD TV GAIN OFF ERROR NO RESET 0 PMUTE 00 2 COMBIAS 0 255 117 Refer to 5 2 PAL TAMP 0 63 27 TV H PEAKING 0 63 27 R CUT OFF 0 7 0 Refer to 5 3 around 5 G CUT OFF 15 15 0 B CUT OFF 15 15 1 Refer to 5 3 TAMP H 00 FF BA TAMP L 00 FF B0 G3 15 15 0 B3 00 FF 00 R3 00 FF 00 G1 00 FF 00 B4 00 FF 00 Y 00 FF 00 Initial Setting ...

Page 12: ...back light lamp D753 D754 Q757 Q3600 2 and their peripheral parts as well as pin 42 of IC2001 Note This model is equipped with the lamp error detection function that detects the current flowing into the fluorescent lamp and protects the backlight lamp drive circuit If a lamp error is detected the microprocessor interrupts the unit and the ERROR NO RESET setting will go up When the ERROR NO RESET s...

Page 13: ...ck the power line Yes No Is output at Pin 19 of tuner as specified Check the tuner and its peripheral parts No Is input at Pin 1 of IC402 as specified Check the line in question Yes Check IC402 and its peripheral parts Yes No Are Pins 2 and 4 of IC402 at H and L respectively Are Pins 65 and 66 of IC2001 at H and L respectively No VIDEO 1 output YES No Is input at Pin 1 of IC402 as specified Check ...

Page 14: ...heck J3701 its peripheral parts and connection cable Replace F3701 and F3702 Check S4701 and connection cable Check the secondary side load of T701 Fluorescent lamp failure Yes No Does F3751 function Yes No Is Pin 34 of IC1201 at H Yes No Are the oscillation waveforms at the primary side of T751 and T752 as specified Yes Replace F3751 No Is input at Pin 71 of IC802 as specified Check J3301 SC line...

Page 15: ...ts peripheral parts Check the line in question IC303 and its peripheral parts Yes Check the speakers and their peripheral parts No sound from headphone Yes No Is Pin 55 of IC2001 at L Check the headphone and its peripheral parts Check Q306 J3404 and their peripheral parts No sound from output line Yes No Is Pin 52 of IC2001 at L No Are outputs at Pins 1 and 7 of IC902 as specified Yes Check the li...

Page 16: ...LC 10A3E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 16 CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side B ...

Page 17: ...10 11 12 13 14 15 16 17 18 19 17 LC 10A3E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 TERMINAL Unit OPERATION Unit Side A OPERATION Unit Side B LED Unit ...

Page 18: ...LC 10A3E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 18 BLOCK DIAGRAM ...

Page 19: ...indicated with the mark in the wiring diagram INDICATION OF RESISTOR CAPACITOR RESISTOR 1 The unit of resistance Ω is omitted K kΩ 1000 Ω M MΩ 2 All resistors are 5 unless otherwise noted J 5 F 1 D 0 5 3 All resistors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating CAPACITOR 1 All capacitors are mF unless otherwise noted P pF mmF 2 All capacitors are ...

Page 20: ...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 10A3E LC 10A3E 20 21 å AND SHADED COMPONENTS SAFETY RELATED PARTS Ë MAIN Unit 1 2 ...

Page 21: ...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 10A3E LC 10A3E å AND SHADED COMPONENTS SAFETY RELATED PARTS 22 23 Ë MAIN Unit 2 2 ...

Page 22: ...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 10A3E LC 10A3E 24 25 å AND SHADED COMPONENTS SAFETY RELATED PARTS Ë TERMINAL Unit å ...

Page 23: ...LC 10A3E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 26 Ë OPERATION and LED Unit OPERATION UNIT LED UNIT ...

Page 24: ...27 LC 10A3E 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 25: ...LC 10A3E 28 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Main Unit Side B ...

Page 26: ...29 LC 10A3E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Operation Unit Side A Terminal Unit Side A LED Unit Side A ...

Page 27: ...LC 10A3E 30 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Operation Unit Side B Terminal Unit Side B LED Unit Side B ...

Page 28: ... VHiNJM4565V 1 J NJM4565V 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 iX3606CEZZ J IX3606CE IC2002 VHiPST529DM 1 J PST529DM AE IC2003 VHiTC4W66F 1 J TC4W66F ...

Page 29: ...c AA C835 VCKYCY1CF224Z J 0 22 16V 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 Ceramic AA C848 VCEAPF0JW107M J 100 6 3V Electrolytic AC C874 RC KZ1025CEZZ J 1 10V Ceramic AB C875 RC KZ1025CEZZ J 1 10V Ceramic AB C876 VCEAPF0GW107M J 100 ...

Page 30: ... J 100k 1 16W Metal Oxide AA R331 VRS CY1JF000J J 0 1 16W Metal Oxide AA R401 VRS CY1JF101J J 100 1 16W Metal Oxide AA R402 VRS CY1JF000J J 0 1 16W Metal Oxide AA R403 VRS CY1JF101J J 100 1 16W Metal Oxide AA R404 VRS CY1JF101J J 100 1 16W Metal Oxide AA C878 RC KZ1025CEZZ J 1 10V Ceramic AB C879 VCKYTV1CF684Z J 0 68 16V Ceramic AB C902 VCKYCY1EF104Z J 0 1 25V Ceramic AA C905 VCEAPF1CW106M J 10 16...

Page 31: ...F472F J 4 7k 1 16W Metal Oxide AA R1125 VRS TW2ED101J J 100 1 4W Metal Oxide AA R1126 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1127 VRS TX2HF000J J 0 1 2W Metal Oxide AA R1129 VRS CY1JF563F J 56k 1 16W Metal Oxide AA R405 VRS CY1JF101J J 100 1 16W Metal Oxide AA R406 VRS CY1JF101J J 100 1 16W Metal Oxide AA R407 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R408 VRS CY1JF103J J 10k 1 16W Metal Oxide AA ...

Page 32: ...S CY1JF103J J 10k 1 16W Metal Oxide AA R1145 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R1146 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R1147 VRS CY1JF100J J 10 1 16W Metal Oxide AA R1149 VRS CY1JF562J J 5 6k 1 16W Metal Oxide AA R1150 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1202 VRS CB1JF220J J 22 1 16W Metal Oxide AC R1203 VRS CA1JF220J J 22 1 16W Metal Oxide AA R1204 VRS CB1JF220J J 22 1 16W Metal...

Page 33: ...100µH AC CAPACITORS C3201 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3202 VCEA4U0JN338M J 3300 6 3V Electrolytic AE C3203 VCKYCY1HB103K J 0 01 50V Ceramic AA C3204 VCKYCY1HB102K J 1000p 50V Ceramic AA C3205 VCCCCY1HH330J J 33p 50V Ceramic AA C3207 VCCCCY1HH330J J 33p 50V Ceramic AA C3208 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3209 VCKYCY1HB102K J 1000p 50V Ceramic AA C3210 VCEAPF1HW225M J 2 2 50V Electrolyt...

Page 34: ...1 J DTC144EE AA Q4107 VSUMG4 1 J UMG4 AC DIODES AND LED D4120 RH EX1271CEZZ 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 Me...

Page 35: ...Absorber AB 2 9 QCNW 6047CEZZ J Earth Cable AB 2 10 XEBSD30P08000 J Screw AA 2 11 PMLT 0318CEZZ J Absorber x2 AB 2 12 PMLT 0356CEZZ J Absorber AB 2 13 PSPAG2004CEZZ J Spacer AB 2 14 PSPAH1001CEZZ J Spacer AD 2 15 QCNCW0129CEZZ J PAL RCA Convert 3 RLCDT0067CEZZ J LCD Module Unit 5 PSHEP0271CEZZ J Diffusion Sheet AH 6 PSHEP0271CEZZ J Diffusion Sheet AH å 7 KLMP 0116CEZZ J Lamp AZ 8 PGiDM0100CEZZ J L...

Page 36: ...ICAL PARTS 15 32 33 1 4 1 14 1 14 1 11 1 15 1 1 1 1 9 1 8 1 7 1 6 1 3 1 2 1 9 1 5 LED Unit 15 22 1 12 1 16 15 11 14 28 12 1 8 1 7 1 10 1 6 1 17 29 26 1 13 OPERATION Unit MAIN Unit TERMINAL Unit 10 9 8 15 15 2 A 7 24 3 25 31 30 13 5 6 20 19 18 2 10 2 11 2 9 2 15 2 3 2 8 2 7 2 1 2 2 2 4 2 5 2 6 17 34 16 A 2 14 2 12 2 13 1 17 ...

Page 37: ...tion Manual Polyethylene Bag SPAKP1000CEZZ Wrapping Paper SPAKF4002CEZZ Packing Material SPAKC5591CEZZ Packing Case TLABK0001TAZZ No Label SPAKX2056CEZZ Buffer Material SPAKX2060CEZZ Buffer Material QCNW 5685CEZZ AV Cable for Mini jack UADP 0225CEPZ AC Adaptor RRMCG1618CESA Infrared R C Unit QACCB0016TAZZ LC 10A3E K QACCK0002TAZZ LC 10A3E AC Cord LANGU9053CE01 Wall Mount Parts å å ...

Page 38: ...igi 329 2193 Japan COPYRIGHT 2001 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 D Japan P Japan TQ1129 S Jun 2001 Printed in JAPAN NA DS ...