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LC-15C2E

SX0L9LC-15A2E

LCD COLOUR TELEVISION

SERVICE MANUAL

MODEL

LC-15C2E

In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.

Page

»

IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2

»

ELECTRICAL SPECIFICATIONS ......................................................................................................... 3

»

OPERATION MANUAL ......................................................................................................................... 4

»

OUTLINE DIMENSION FIGURE .......................................................................................................... 5

»

DISASSEMBLY OF THE SET ............................................................................................................... 6

»

ADJUSTING PROCEDURE OF EACH SECTION ............................................................................... 9

»

TROUBLE SHOOTING TABLE ........................................................................................................... 12

»

CHASSIS LAYOUT ............................................................................................................................. 17

»

BLOCK DIAGRAMS ............................................................................................................................ 20

»

DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 24

»

OVERALL SCHEMATIC DIAGRAM .................................................................................................... 26

»

SCHEMATIC DIAGRAMS ................................................................................................................... 28

»

PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 46

»

PARTS LIST

Ë

ELECTRICAL PARTS ..................................................................................................................... 49
MAIN UNIT ..................................................................................................................................... 49
VIDEO UNIT ................................................................................................................................... 53
SWITCH UNIT ................................................................................................................................ 53
S-OUT UNIT ................................................................................................................................... 54

Ë

SUPPLIED ACCESSORIES PARTS .............................................................................................. 55

Ë

PACKING PARTS ........................................................................................................................... 55

Ë

CABINET PARTS LIST ................................................................................................................... 55

Ë

CABINET AND MECHANICAL PARTS .......................................................................................... 56

PACKING OF THE SET ......................................................................................................................... 57

 CONTENTS

SERVICE MANUAL

LCD COLOUR TELEVISION

MODEL LC-15C2E

SHARP CORPORATION

TENTATIVE

Summary of Contents for LC-15C2E

Page 1: ...SION FIGURE 5 DISASSEMBLY OF THE SET 6 ADJUSTING PROCEDURE OF EACH SECTION 9 TROUBLE SHOOTING TABLE 12 CHASSIS LAYOUT 17 BLOCK DIAGRAMS 20 DESCRIPTION OF SCHEMATIC DIAGRAM 24 OVERALL SCHEMATIC DIAGRAM 26 SCHEMATIC DIAGRAMS 28 PRINTED WIRING BOARD ASSEMBLIES 46 PARTS LIST Ë ELECTRICAL PARTS 49 MAIN UNIT 49 VIDEO UNIT 53 SWITCH UNIT 53 S OUT UNIT 54 Ë SUPPLIED ACCESSORIES PARTS 55 Ë PACKING PARTS 55...

Page 2: ...onnect 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 insulatio...

Page 3: ...Viewing angles H 160 V 160 Audio amplifier 2 1W 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 12V AC 110 240 V 50 60 Hz Power consumption 26W Connected to DC12V Dimensions 369 0mm W 437 8mm H 198 0mm D Weight 4 7 kg incl stand excl acc...

Page 4: ...up 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 DC12V RGB R L VIDEO AUDIO S VIDEO AV IN 2 POWER INPUT DC 12 V Antenna AUDIO OUT L AUDIO OUT R S VIDEO VIDEO Carring handle AUDIO L AUDIO R AV IN1 21 pin Euro SCART i E CH TV VIDEO...

Page 5: ... DIMENSION FIGURE Units mm 301 6 369 436 8 142 5 294 3 1 231 307 229 231 305 3 89 8 295 8 431 6 107 3 135 8 0 5 51 9 7 198 18 149 5 9 48 5 1 VIDEO AUDIO S VIDEO L R AV IN 2 AV IN 1 RGB POWER INPUT DC12V AUDIO OUT L R 100 ...

Page 6: ...t is opend in order of 5 9 5 1 and a cabinet B is removed 6 Disconnect the connectors from the PWBs Stand Cabinet B Cabinet A Terminal Cover 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1 3 1 2 3 3 4 3 3 MAIN PWB TUNER PWB S OUT PWB VIDEO PWB SWITCH PWB P3311 3308 SC801 SC1202 SC1201 SC901 SC902 P904 P701 P4004 P305 P304 P3302 P903 P901 P3301 P2003 P5701 P5702 P5001 P702 P3600 P3604 6 6 6 6 6 6 6 6 6 6 6 ...

Page 7: ...ock screws from the MAIN PWB 10 Remove the two lock screws and nuts 11 Remove the three lock screws from the chassis frame 12 Remove the two lock screws from the LCD panel 13 Remove the two lock screws from the SWITCH PWB 7 9 8 11 10 11 12 13 8 Video PWB Main PWB Switch PWB Cabinet A LCD Panel Chassis Frame Tuner PWB S OUT PWB ...

Page 8: ...ector Reflection Sheet 1 PSHEP0242CEZZ Light Guide Sheet 18 Lamp Unit KLMP 0108CEZZ Reflection Sheet 2 PSHEP0243CEZZ 14 14 Diffusion Sheet Prism Sheet D BEFE LCD Unit GATE FFC 16 Reflector Shield Plate 14 Remove the four lock screws from the LCD panel and remove the LCD panel 15 Remove the diffusion sheet and prism sheet and D BEFE 16 Four reflectors in every direction are removed 17 Remove the ph...

Page 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...

Page 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 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 CUTOF...

Page 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 ...

Page 12: ...nd F4 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 Q7603 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 and...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 17: ...17 LC 15C2E 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 18: ...18 LC 15C2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 TUNER Unit VIDEO Unit ...

Page 19: ...19 LC 15C2E SWITCH Unit S OUT Unit A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...

Page 20: ...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 DC DC T701 PWM IC702 INV DC 12V PA DC 12V PA VCC INV VCC SIG VCC DC 12V OS...

Page 21: ...PC SUBCLK SUBIN SUBOUT M S 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 12V 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 ...

Page 22: ...ation of resistors and capacitors Resistors Unit Nonindication Ω K kΩ M MΩ Error Nonindication 10 J 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 ...

Page 23: ...25 LC 15C2E M E M O ...

Page 24: ...2 3 IA FL SP PA GND 1 2 SL FR SP PA GND 1 2 SR IREM B5VA POW GND POW2 POW1 KEY1 KEY2 GND NC HL HR 1 2 3 4 5 6 7 8 9 10 11 12 MS IREM B5VA POW GND POW2 POW1 KEY1 KEY2 GND NC HL HR 1 2 3 4 5 6 7 8 9 10 11 12 MS MT IR_EM_OUT IR_EM MRDY B5VA SUB_CLK SUB_IN SUB_OUT MS_IN MS_OUT NC V H B5V500MA FB_VPC B_VPC G_VPC R_VPC GND GND VIDEO VPC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VCOM VCOM DGND C...

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 15C2E LC 15C2E 28 29 Ë MAIN Unit 1 6 SCHEMATIC DIAGRAMS ...

Page 26: ...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 15C2E LC 15C2E 30 31 Ë MAIN Unit 2 6 MICOM MEMORY ...

Page 27: ...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 15C2E LC 15C2E Ë MAIN Unit 3 6 32 33 ...

Page 28: ...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 15C2E LC 15C2E Ë MAIN Unit 4 6 34 35 ...

Page 29: ...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 15C2E LC 15C2E Ë MAIN Unit 5 6 36 37 ...

Page 30: ...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 15C2E LC 15C2E Ë MAIN Unit 6 6 å AND SHADED COMPONENTS SAFETY RELATED PARTS 38 39 ...

Page 31: ...40 LC 15C2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Ë VIDEO Unit å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Page 32: ...41 LC 15C2E Ë SWITCH Unit A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 ...

Page 33: ...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 15C2E LC 15C2E Ë S OUT Unit 42 43 ...

Page 34: ...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 15C2E LC 15C2E å AND SHADED COMPONENTS SAFETY RELATED PARTS 44 45 Ë TUNER Unit ...

Page 35: ...46 LC 15C2E Main Unit Side B 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 36: ...47 LC 15C2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 Video Unit Side A Video Unit Side B ...

Page 37: ...48 LC 15C2E A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 S OUT Unit Side A S OUT Unit Side B Switch Unit Side A Switch Unit Side B ...

Page 38: ...65V 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 Line Memory AY IC1203 VHiTC4W53U 1 J TC4W53U AF IC1204 VHiTC4024BF 1 J TC4024BF Binary Counter AG IC1205 VHiTC4052BF1E J T...

Page 39: ... KZ1025CEZZ J 1 10V Ceramic AB C921 RC KZ1025CEZZ J 1 10V Ceramic AB C922 RC KZ1025CEZZ J 1 10V Ceramic AB C923 VCKYCY1EF104Z J 0 1 25V Ceramic AA C924 VCEAPF1CW106M J 10 16V Electrolytic AB C925 RC KZ1025CEZZ J 1 10V Ceramic AB C927 VCCCCY1HH560J J 56p 50V Ceramic AA C928 VCCCCY1HH560J J 56p 50V Ceramic AA C929 VCCCCY1HH560J J 56p 50V Ceramic AA C930 VCCCCY1HH5R0C J 5p 50V Ceramic AA C931 VCCCCY1...

Page 40: ...21J J 820 1W Metal Oxide AC R708 VRS CY1JF272F J 2 7k 1 16W Metal Oxide AA R709 VRS CY1JF123F J 12k 1 16W Metal Oxide AA R711 VRS CY1JF184J J 180k 1 16W Metal Oxide AA R712 VRS CY1JF683F J 68k 1 16W Metal Oxide AA R713 VRS CY1JF133F J 13k 1 16W Metal Oxide AA DUNTKA551DE01 MAIN PWB UNIT Continued C932 VCKYCY1EF104Z J 0 1 25V Ceramic AA C933 RC EZ0417CEZZ J 150 16V Electrolytic AD C935 VCEAPF1CW226...

Page 41: ... R1208 VRS CY1JF560J J 56 1 16W Metal Oxide AA R1209 VRS CA1JF220J J 22 1 16W Metal Oxide AA R1210 VRS CY1JF220J J 22 1 16W Metal Oxide AA R1211 VRS CY1JF221J J 220 1 16W Metal Oxide AA R1212 VRS CY1JF000J J 0 1 16W Metal Oxide AA DUNTKA551DE01 MAIN PWB UNIT Continued R715 VRS CY1JF000J J 0 1 16W Metal Oxide AA R717 VRS CY1JF152F J 1 5k 1 16W Metal Oxide AA R718 VRS CY1JF274J J 270k 1 16W Metal Ox...

Page 42: ...101J J 100 1 16W Metal Oxide AA R1223 VRS CA1JF101J J 100 1 16W Metal Oxide AA R1225 VRS CY1JF472J J 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 Ox...

Page 43: ... CAPACITORS C3359 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3360 VCEAPF1CW107M J 100 16V Electrolytic AD C3361 VCEAPF1HW105M J 1 50V Electrolytic AB C3362 VCKYCY1HB102K J 1000p 50V Ceramic AA C3363 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3364 VCEAPF1HW105M J 1 50V Electrolytic AB C3365 VCKYCY1HB102K J 1000p 50V Ceramic AA C3366 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3367 VCEAPF1CW106M J 10 16V E...

Page 44: ...rd PW 5P 210mm 1 CCABA2427CE01 J Cabinet A Ass y 1 1 J Cabinet A 1 2 GCOVA1942CEZZ J R C Cover AD 1 3 GCOVA1943CEKA J Volume Button Cap AD 1 4 GCOVA1943CEKB J CH Button Cap AD 1 6 JBTN 2067CEKZ J Operating Button AE 1 7 PSPAG0377CEZZ J Spacer AC 1 9 VSP0050PBP58R J Speaker AU 1 10 XETSD40P06000 J Screw AA 1 11 PSPAH0676CEZZ J Spacer AA 1 12 QEARZ0047CEZZ J Earth Gasket AC 1 13 PSPAH0678CEZZ J SP S...

Page 45: ...3 13 3 12 3 12 3 11 3 7 3 16 3 16 3 17 3 17 2 3 B 35 35 23 35 38 39 Tuner PWB Video PWB 11 7 13 22 22 27 22 24 41 44 30 45 6 12 5 4 Mian PWB 14 24 7 6 4 25 B A B A K V I L J S G F R U V H V K K V U U J K T 40 H I 1 10 1 3 1 4 1 6 1 15 1 9 1 13 1 7 1 14 1 15 1 2 1 1 1 7 1 9 1 10 1 13 1 11 1 12 1 Switch PWB 1 16 S OUT PWB 36 31 32 42 43 17 15 16 33 17 37 A B B A 8 9 10 D Q R S R S N D Q P E W O G P ...

Page 46: ...Z Packing Case TLABK0001TAZZ No Label SPAKX2942CEZZ Packing Add SPAKP0907CEZZ Wrapping Paper TiNS 7411CEZZ Operation Manual LHLDW0109CESA Cable Clamp Battery SSAKA0160CEZZ Operation Manual Polyethylene Bag RRMCG1656CESA Remote Control UADP 0226CEPZ AC Adaptor å å QACCK0002TAZZ LC 15C2E QACCB0016TAZZ LC 15C2E K Power Supply Cord ...

Page 47: ...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 TQ1026 S May 2001 Printed in JAPAN NA DS ...

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