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LC-13B2E

SERVICE MANUAL

S91A2LC-13B2E

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

MODEL

LC-13B2E

CONTENTS

IMPORTANT SERVICE SAFETY

PRECAUTION .................................................... 2

SPECIFICATIONS ............................................. 3

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

DIMENSIONS .................................................... 5

REMOVING OF MAJOR PARTS ....................... 6

ADJUSTING PROCEDURE OF

EACH SECTION ................................................ 9

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

CHASSIS LAYOUT .......................................... 18

BLOCK DIAGRAM ........................................... 20

OVERALL WIRING DIAGRAM ........................ 24

DESCRIPTION OF SCHEMATIC DIAGRAM .. 26

SCHEMATIC DIAGRAM

OPERATION and LED UNIT ..................... 27

Page

MAIN UNIT ................................................ 28

TUNER UNIT ............................................. 42

JACK UNIT ................................................ 44

PRINTED WIRING BOARD ASSEMBLIES ..... 45

PARTS LIST

ELECTRICAL PARTS ................................ 48

MAIN UNIT ................................................ 48

OPERATION UNIT ..................................... 52

LED UNIT .................................................. 52

JACK UNIT ................................................ 53

CABINET AND MECHANICAL PARTS ..... 54

ACCESSORIES PARTS ............................ 56

PACKING PARTS ....................................... 56

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

SHARP CORPORATION

LCD COLOR TELEVISION

Содержание LC13-B2E

Страница 1: ...ING OF MAJOR PARTS 6 ADJUSTING PROCEDURE OF EACH SECTION 9 TROUBLE SHOOTING TABLE 12 CHASSIS LAYOUT 18 BLOCK DIAGRAM 20 OVERALL WIRING DIAGRAM 24 DESCRIPTION OF SCHEMATIC DIAGRAM 26 SCHEMATIC DIAGRAM Ë OPERATION and LED UNIT 27 Page Page Ë MAIN UNIT 28 Ë TUNER UNIT 42 Ë JACK UNIT 44 PRINTED WIRING BOARD ASSEMBLIES 45 PARTS LIST Ë ELECTRICAL PARTS 48 Ë MAIN UNIT 48 Ë OPERATION UNIT 52 Ë LED UNIT 52...

Страница 2: ...er before servicing TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND DVM AC SCALE 50k ohm 10W 0 15 µF TEST PROBE Use an AC voltmeter having with 5000 ohm per volt or higher sensitivity or measure the AC voltage drop across the resisor Connect the resistor connection to all exposed metal parts having a return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon a...

Страница 3: ...nt Weight Accessories 13 BLACK TFT LCD 921 600 dots PAL SECAM NTSC BG L DK I M N Auto preset 197 ch NICAM IGR Yes Hyper Band 430 cd m2 60 000 hours H 160 V 160 2 1 W 2 4 7 cm Oval 2 pcs RGB S VIDEO VIDEO AUDIO AUDIO DIN 3 5 mm ø jack Rear English German French Spanish Italian Swedish Dutch DC 12 V AC 110 240 V 50 60 Hz 3 8 kg incl stand excl accessories Remote control Btteries AC adapter AC cord C...

Страница 4: ...d indicator lights when in the standby mode the indicator will not light when the main power is off Remote sensor indicator A red indicator blinks when the TV set receives the remote control signal Terminals Rear view RGB POWER INPUT DC12V L R AV IN 1 AUDIO OUT VID EO S VID EO AUDIO L R AV IN 2 POWER INPUT DC 12 V Antenna AUDIO OUT L AV IN 1 21 pin Euro SCART AUDIO OUT R HEADPHONES VIDEO AUDIO L A...

Страница 5: ...5 LC 13B2E Dimensions Unit mm ...

Страница 6: ...and detach the cabinet 4 Peel off the tape 5 Detach the connector from each PWB Cabinet B Table stand Back cover 1 2 3 3 3 3 3 4 5 5 5 5 5 5 5 5 5 Terminal PWB LED PWB Operation PWB Main PWB Jack PWB Tape SC1202 SC801 SC802 SC901 SC902 SC903 SC1201 P305 P304 P2006 P2004 P903 P901 P902 P904 P701 P702 P2005 SC5702 P5701 P4001 P5001 P3600 P4004 P3604 ...

Страница 7: ... 8 Remove the jack PWB fixing screw 2 pc 9 Remove the main PWB fixing screws 1 pcs 10 Remove the LED PWB fixing screws 2 pcs 11 Remove the operation PWB fixing screws 2pcs 12 Remove the chassis frame fixing screws 4 pcs 8 7 12 Terminal PWB Chassis Frame Main PWB Jack PWB 10 LED PWB 11 6 Operation PWB 9 ...

Страница 8: ... diffusion sheets and reflection deflection sheet 15 Detach the four reflection mirrors 16 Remove the fluorescent lamp 17 Detach the lamp guide plate 18 Detach the two lamp reflection sheets Reflection Mirror Reflection Mirror Lamp Reflection Sheet 1 PSHEP0246CEZZ Light Guide Plate PGiDM0064CEZZ Fluorescent Lamp KLMP 0109CEZZ Lamp Reflection Sheet 2 PSHEP0247CEZZ Diffusion Sheet PSHEP0244CEZZ Refl...

Страница 9: ...ess 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 Mod...

Страница 10: ...ss B ADJ Adjust the voltage of the positive side of C753 to 5 0 0 05V 3 2 Model setting Page 9 of MAIN side adjustment process MODEL Set to B2E 3 3 Inch size setting Page 9 of MAIN side adjustment process INCH SIZE Set to 13 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 CU...

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: ... 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 and chec...

Страница 13: ...es No No No TV and VIDEO 1 output Is voltages at pin 3 of W7 and pins 3 4 and 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 it...

Страница 14: ...72 of 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 its peripheral parts Check I13 and its peripheral parts Check I9 and its peripheral parts Check I4 and its peripheral parts Is output at pins 11 13 ...

Страница 15: ...ark Is gate GND normal Is gate clock GCK normal Check R1223 and gate aray peripheral parts Yes No Check D1201 and its peripheral parts No Is B 5 5V being outputted Is VCC being outputted Check T701 s secondary 5V outputs line Yes No Is GSP waveform normal Check R1223 and its peripheral parts Yes No Becomes white Is 3 3V VHS being outputted Is source clock normal Check 3 3V outputs line of IC752 Ch...

Страница 16: ...ipheral parts Check R1206 R1207 and their peripheral parts Check T701 s secondary 5V outputs line Yes Yes No No Colour is unusual Is VLS 5V being outputted No Picture image is gloomy Is in output of SPIO and SPOI normal Check R1209 and their peripheral parts No No picture image inversion Is output V0 V16 V32 V48 and V63 normal Check IC1106 IC1107 IC1108 and their peripheral parts No Gradation defe...

Страница 17: ...rmal 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 its peripheral parts Check IC903 and its peripheral parts Check IC303 and its peripheral parts Check IC3305 and its peripheral parts Yes Is output at Q301 normal Check Q301 an...

Страница 18: ...19 18 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT MAIN Unit Side A MAIN Unit Side B JACK Unit OPERATION Unit LED Unit TERMINAL Unit ...

Страница 19: ... 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 HR HL 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 HEAD ...

Страница 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...

Страница 21: ... 5 6 MR MT IR_EM_OUT IR_EM MRDY B5VA SUB_CLK SUB_IN SUB_OUT MIS_IN MIS_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 CSCOM CSCOM SGND V0 V16 V32 V48 V63 DGND 3 3V VSH 3 3V VSH 5V VLS 5V VLS DGND R5 R4 R3 R2 R1 R0 DGND G5 G4 G3 G2 G1 G0 DGND B5 B4 B3 B2 B1 B0 DGND CK DGND SPIO SPOI LBR HG DGND YOBI8 YOBI7 YOBI6 YOBI5...

Страница 22: ...istors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless otherwise noted 3 All capacitors are Ceramic type unless otherwise noted ML Mylar TA Tantalum PF Polypro Film ST Styrol CAUTION This circuit diagram is original one therefore there may be a slight dif...

Страница 23: ...27 6 5 4 3 2 1 A B C D E F G H LC 13B2E SCHEMATIC DIAGRAM Ë OPERATION and LED Unit LED OPERATION ...

Страница 24: ...29 28 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...

Страница 25: ...31 30 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...

Страница 26: ...33 32 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...

Страница 27: ...35 34 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...

Страница 28: ...37 36 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...

Страница 29: ...39 38 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...

Страница 30: ...41 40 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...

Страница 31: ...43 42 LC 13B2E 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit ...

Страница 32: ...44 6 5 4 3 2 1 A B C D E F G H LC 13B2E Ë JACK Unit ...

Страница 33: ...45 6 5 4 3 2 1 A B C D E F G H LC 13B2E PRINTED WIRING BOARD ASSEMBLIES LED Unit Component Side Operation Unit Component Side Jack Unit Component Side ...

Страница 34: ...46 6 5 4 3 2 1 A B C D E F G H LC 13B2E Main Unit Side A ...

Страница 35: ...47 6 5 4 3 2 1 A B C D E F G H LC 13B2E Main Unit Side B ...

Страница 36: ... IC1110 VHiBU4053V 1 J BU4053BCFV E2 AE IC1201 RH iX3378CEZZ J LR38797 AY IC1202 VHiPD485505 2 J UPD485505G 25 AY IC1203 VHiTC4W53U 1 J TC4W53FU AF IC1204 VHiTC4024BF 1 J TC4024BF AG IC1205 VHiTC4052BF1E J TC4052BF AF IC2001 RH iX3565CEZZQ J M306V0ME FP BA IC2002 VHiPST529DM 1 J PST529DMT AE IC2004 VHiBR24C08F 1 J BR24C08F E2 AF IC2006 VHiTC7W04U 1 J TC7W04FU AD IC2007 VHiTC4W53U 1 J TC4W53FU AF I...

Страница 37: ...ectrolytic AD C798 VCKYCY1EF104Z J 0 1 25V Ceramic AA C801 VCEAPF1CN106M J 10 16V Electrolytic AD C802 VCKYCY1EF104Z J 0 1 25V Ceramic AA C803 VCCCCY1HH7R0D J 7 0p 50V Ceramic AA C804 VCCCCY1HH7R0D J 7 0p 50V Ceramic AA C805 RC KZ1025CEZZ J 1 0 10V Ceramic AB C806 RC KZ1025CEZZ J 1 0 10V Ceramic AB C809 VCEAPK1CN107M J 100 16V Electrolytic AD C810 VCKYCY1EF104Z J 0 1 25V Ceramic AA C812 RC KZ1025C...

Страница 38: ...00 16V Electrolytic AD C3361 VCEAPF1HW105M J 1 0 50V Electrolytic AB C3362 VCKYCY1HB102K J 1000p 50V Ceramic AA C3363 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3364 VCEAPF1HW105M J 1 0 50V Electrolytic AB C3365 VCKYCY1HB102K J 1000p 50V Ceramic AA C3366 VCEAPF1HW225M J 2 2 50V Electrolytic AB C3367 VCEAPF1CW106M J 10 16V Electrolytic AB C3368 VCEAPF1CW106M J 10 16V Electrolytic AB C3370 VCKYTV1CF10...

Страница 39: ...F000J J 0 1 16W Metal Oxide AA R914 VRS CY1JF000J J 0 1 16W Metal Oxide AA R915 VRS CY1JF000J J 0 1 16W Metal Oxide AA R916 VRS CY1JF000J J 0 1 16W Metal Oxide AA R917 VRS CY1JF105J J 1 0M 1 16W Metal Oxide AA R918 VRS CY1JF822F J 8 2k 1 16W Metal Oxide AA R919 VRS CY1JF822F J 8 2k 1 16W Metal Oxide AA R920 VRS CY1JF822F J 8 2k 1 16W Metal Oxide AA R921 VRS CY1JF822F J 8 2k 1 16W Metal Oxide AA R9...

Страница 40: ...6W Metal Oxide AA R2072 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2085 VRS CY1JF000J J 0 1 16W Metal Oxide AA R2086 VRS CY1JF332J J 3 3k 1 16W Metal Oxide AA R2087 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R3341 VRS CA1JF000J J 00 1 16W Metal Oxide AB R3358 VRS CY1JF562J J 5 6k 1 16W Metal Oxide AA R3360 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R3361 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R336...

Страница 41: ...ODES D5701 RH EX1271CEZZ J Zener Diode AB COILS L5701 RCiLC0107CEZZ J Coil AF L5702 RCiLC0107CEZZ J Coil AF TRANSFORMERS T5701 RTRNZ0777CEZZ J Transformer AM T5702 RTRNZ0777CEZZ J Transformer AM CAPACITORS M Poly Metalized Polypro Film C5701 RC FZ0174CEZZ J 0 12 100V M Poly AG C5702 RC FZ0174CEZZ J 0 12 100V M Poly AG C5703 VCKYCY1CB273K J 0 027 16V Ceramic AA C5704 VCKYCY1CB273K J 0 027 16V Ceram...

Страница 42: ...A A B B A 40 35 1 1 1 31 1 6 4 2 39 18 OPERATION Unit LED Unit 8 11 12 9 10 6 5 8 13 7 7 18 17 16 4 15 15 1 11 1 9 1 8 1 8 1 9 1 4 1 3 1 3 1 4 1 4 1 4 1 2 1 6 1 13 1 7 1 7 21 1 5 1 5 39 32 24 4 3 4 1 4 4 4 5 1 10 14 25 TERMINAL Unit JACK Unit MAIN Unit 37 19 40 40 A 37 40 39 38 22 43 39 38 38 27 39 28 26 ...

Страница 43: ...55 LC 13B2E 17 16 19 18 15 14 13 12 11 10 3 2 41 41 36 41 3 1 3 5 2 2 2 1 2 3 2 7 20 3 8 3 9 3 14 3 4 3 16 42 23 3 6 3 3 3 7 3 7 3 11 3 10 3 14 3 12 3 12 3 15 3 13 3 13 3 2 3 14 ...

Страница 44: ... Lamp AZ 6 PGiDM0064CEZZ J Light Guide Plate AX 7 PMiR 0287CEFW J Reflection Mirror AG 8 PMiR 0288CEFW J Reflection Mirror AF 9 PSHEP0244CEZZ J Deflection Sheet AL 10 PSHEP0245CEZZ J Reflection Deflection Sheet BB 11 PSHEP0246CEZZ J Reflection Sheet 1 AG 12 PSHEP0247CEZZ J Reflection Sheet 2 AG 13 PSLDM4660CEFW J Shielding Plate AQ 14 PSPAG2003CEZZ J Light Shielding Spacer x2 AA 15 PSPAH0607CEZZ J...

Страница 45: ...rial Top SPAKX2957CEZZ Not Replacement Item Polyethylene Bag SSAKH0178CEZZ Operation Manual TiNS 7496CEZZ Cable Clamp 2 pcs LHLDW0109CEZZ Dry Battery 2 pcs AC Adapter UADP 0226CEPZ AC Cord QACCK0002TAZZ LC 13B2E QACCK0016TAZZ LC 13B2E Wireless Remote Control RRMCG1656CESA Polyethylene Paper SPAKP0911CEZZ K ...

Страница 46: ...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 SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan D Japan P Japan TQ1207 S Sep 2001 Printed in Japan NA KG ...

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