Sharp LC-15B2U Service Manual Download | Manualshive

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LC-15B2U

Main Unit (Side-B)

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Summary of Contents for LC-15B2U

Page 1: ...6 CHASSIS LAYOUT 20 BLOCK DIAGRAM 22 DESCRIPTION OF SCHEMATIC DIAGRAM 24 SCHEMATIC DIAGRAM Ë OPERATION and R C RECEIVER UNIT 25 Ë MAIN UNIT 26 Page Page Ë TERMINAL UNIT 34 Ë JACK UNIT 38 PRINTED WIRING BOARD ASSEMBLIES 39 PARTS LIST Ë ELECTRICAL PARTS 43 Ë MAIN UNIT 43 Ë TERMINAL UNIT 46 Ë OPERATION UNIT 48 Ë JACK UNIT 49 Ë R C RECEIVER UNIT 49 Ë CABINET PARTS LOCATION 49 52 Ë CABINET AND MECHANIC...

Page 2: ...hock 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 the chassis ...

Page 3: ... autres accidents AVERTISSEMENT 1 N entreprendre aucune modification de tout circuit C est dangereux 2 Débrancher le récepteur avant toute réparation VERIFICATIONS CONTRE L INCEN DIE ET LE CHOC ELECTRIQUE Avant de rendre le récepteur à l utilisateur effectuer les vérifications suivantes 1 Inspecter tous les faisceaux de câbles pour s assurer que les fils ne soient pas pincés ou qu un outil ne soit...

Page 4: ...430 cd m2 Lamp life 60 000 hours Viewing angles H 160 V 160 Audio amplifier 2 1 W 2 Speakers 1 37 64 2 3 4 in 4 7 cm 2 pcs AV1 AV IN1 S VIDEO IN AV2 AV IN2 AV OUT COMPONENT COMPONENT IN AUDIO IN Terminals Antenna F Type Headphone Mini jack for stereo 3 5 ø OSD language English French Spanish Power supply DC 12 V AC 110 240 V 50 60 Hz Weight 10 2 lbs 4 6 kg w o accessories Accessories Remote contro...

Page 5: ...tical angle of the LCD TV set tilt the screen up to 10 degrees forward or 20 degrees backward The TV set can also be rotated 90 degrees horizontally Please adjust the angle so that the TV set can be watched most comfortably POWER indicator A green indicator lights when the power is on and a red indicator lights when in the standby mode the indicator will not light when the main power is off Note A...

Page 6: ...f the TV set Headphones Headphones are not included in the supplied accessories No sound will be heard from the main unit speakers when a headphone mini plug is connected into the HEADPHONE jack On screen display 60 VOLUME Rear terminal Notes WER ANT VIDEO AUDIO L Y P P R AUDIO HEAD PHONE POWER INPUT DC12V L R AV IN2 OU T COMPO NENT R B CH MENU TV VIDEO MAIN POWER 1 4 7 MTS 2 5 8 0 3 6 9 100 POWER...

Page 7: ...ponent terminal COMPONENT connection is recommended you can view high quality pictures If your external device does not have a component terminal S VIDEO connection is recommended DVD etc VCR Laser disc player If your external device has an S Video terminal S VIDEO connection is recommended To AV IN1 terminal Connecting a VCR DVD player or a video camera AV IN1 2 COMPONENT Notes If your VCR or oth...

Page 8: ... displayed items differ depending on the setting conditions The selected item changes to yellow Items in magenta cannot be selected TV mode This product is factory set to comply with the color system in the United States NTSC N358 For Brazil PAL M Argentina PAL N and Uruguay PAL N set the color system before using this product COLOR SYSTEM When you set COLOR SYSTEM to AUTO the AUTO mode automatica...

Page 9: ...O AUDIO L Y PB PR R AUDIO H E A D PHONE POWER INPUT DC12V L R AV IN2 OUT COMPONENT VIDEO S VIDEO AUDIO L R AV IN1 19 484 5 9 150 5 11 6 296 14 6 372 9 229 Active Area 12 305 3 Active Area 11 9 301 6 3 8 95 8 2 3 58 1 7 8 198 14 4 365 2 2 5 64 4 ...

Page 10: ...h the cabinet 4 Release the wire holder at 1 location and peel off the tape 5 Detach the connector from each PWB Cabinet B Table stand Back cover 1 2 3 3 3 3 3 5 5 5 5 5 5 5 5 5 5 5 5 4Wire holder R C Receiver PWB Operation PWB Terminal PWB Main PWB Jack PWB 4Tape P5701 SC1202 SC2001 SC3403 P2004 P3501 P3600 P3500 P4004 P3702 P3402 SC5701 P4005 P2003 SC1201 ...

Page 11: ... main PWB fixing screws 2 pcs 9 Remove the R C receiver PWB fixing screws 2 pcs 10 Remove the operation PWB fixing screws 2pcs 11 Remove the chassis frame fixing screws 2 pcs 12 Remove the LCD panel unit fixing screw 1pc Main PWB Jack PWB Terminal PWB 7 6 Chassis frame 9 12 R C Receiver PWB 10 Operation PWB 8 11 ...

Page 12: ...diffusion sheet and reflection deflection sheet 14 Detach the four reflection mirrors 15 Remove the fluorescent lamp 16 Detach the lamp guide plate 17 Detach the two lamp reflection sheets Reflection Mirror Reflection Mirror Lamp Reflection Sheet 1 PSHEP0242CEZZ Light Guide Plate PGiDM0063CEZZ Fluorescent Lamp KLMP 0108CEZZ Lamp Reflection Sheet 2 PSHEP0243CEZZ Prism Sheet PSHEP0240CEZZ Diffusion ...

Page 13: ...cess CH key and VOL key to change the mode to the adjustment mode Description The manual adjustment or adjustment through communication with the automatic machine is performed 3 Inspection mode Procedure Holding down the TV VIDEO key and MENU key turn on the power Description In the ordinary menu select VIDEO ADJUST with the CH key and decide with the VOL key Then select PICTURE TINT only NTSC COL...

Page 14: ... PRE SCALE SCART 15 TV GEQ BAND 1 1 0 TV GEQ BAND 2 1 0 TV GEQ BAND 3 1 0 TV GEQ BAND 4 2 0 TV GEQ BAND 5 2 0 EXT GEQ BAND 1 1 0 EXT GEQ BAND 2 1 0 EXT GEQ BAND 3 1 0 EXT GEQ BAND 4 2 0 EXT GEQ BAND 5 2 0 VSYNC DELAY 29 1 Adjust the B Adj value to 5 0 0 02V with R3760 1 Select MODEL with MENU key and adjust to B2U with VOL or VOL key The color of MODEL must be yellow 2 Select INCH SIZE and adjust ...

Page 15: ...PNESS 0 RED BLUE 0 GREEN 0 TV Color System N358 AV Color System Auto Language English Blue Screen Off EZ Setup Auto Start On Sleep Timer None MTS Stereo Brightness Bright Auto Power Off Off Upside Normal Right Left Normal AV2 IN OUT In Closed Caption Mode OFF Data CH1 V Chip block MPAA None TV Guideline None Block Content All Unblock Status Off Input Secret No Clear ...

Page 16: ...AN VCHIP OFF B2U VER 1 xx Check the back light lamp D3601 Q3600 D3603 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 ...

Page 17: ...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 or 2 output Yes No Is input at Pin 1 of IC402 as specified Check the line in question Yes No Are Pins ...

Page 18: ...F3701 and F3703 Check S4701 and connection cable Check the secondary side load of T3701 Fluorescent lamp Yes No Does F3703 function Yes No Is Pin 34 of IC1201 at H Yes No Are the oscillation waveforms at the primary side of T5701 and T5702 as specified Yes Replace F3703 No Is input at Pin 71 of IC801 as specified Check SC5001 SC line and peripheral parts Yes Check the line IC1201 and its periphera...

Page 19: ...eral 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 Q2050 J3500 and their peripheral parts No sound from output line Yes No Is Pin 52 of IC2001 at L No Are outputs at Pins 14 and 15 of IC3501 as specified Yes Check the line in question Check the LMUTE line Check IC3501 IC3304 and its...

Page 20: ...21 20 LC 15B2U 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 R C RECEIVER Unit TERMINAL Unit ...

Page 21: ...ODER VPC IC801 MPU IC2001 E2PROM IC2004 RESET IC2002 5V REG IC701 3 3V REG IC702 VIDEO SWITCH IC402 FIFO IC1202 SYNC SEPARATER IC401 LCD CONTROLLER IC1201 TV V Y PB PR I2C GRADUATION POWERFOR LCD IC1102 IC1108 IC1110 DAC IC1101 COMMON IC1109 Q1101 Q1102 I2C WIRE CK VD HD OSD RGB V1 SY SC MAIN UNIT TV V V1 SY SC AUDIO IN OUT SWITCH IC3501 Q3500 OPERATION UNIT DC DC T3701 IC3701 Q3700 Q3701 Q3702 38...

Page 22: ...s 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 difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACEING PARTS 2 SEMICONDUCTOR HEAT SINKS ...

Page 23: ...25 6 5 4 3 2 1 A B C D E F G H LC 15B2U SCHEMATIC DIAGRAM Ë OPERATION and R C RECEIVER Unit OPERATION R C RECEIVER ...

Page 24: ...27 26 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 4 ...

Page 25: ...29 28 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 4 ...

Page 26: ...31 30 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 4 ...

Page 27: ...33 32 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 4 ...

Page 28: ...35 34 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TERMINAL Unit 1 2 ...

Page 29: ...37 36 LC 15B2U 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H Ë TERMINAL Unit 2 2 ...

Page 30: ...38 6 5 4 3 2 1 A B C D E F G H LC 15B2U Ë JACK Unit ...

Page 31: ...39 6 5 4 3 2 1 A B C D E F G H LC 15B2U PRINTED WIRING BOARD ASSEMBLIES R C Receiver Unit Component Side Operation Unit Component Side Jack Unit Component Side ...

Page 32: ...40 6 5 4 3 2 1 A B C D E F G H LC 15B2U Main Unit Side A ...

Page 33: ...41 6 5 4 3 2 1 A B C D E F G H LC 15B2U Main Unit Side B ...

Page 34: ...42 6 5 4 3 2 1 A B C D E F G H LC 15B2U Terminal Unit Component Side ...

Page 35: ...PIECES CHANGE DES PIECES Les pi eces de rechange qui pr élelesentent ces caract éleristiques sp éleciales de s élecurit éle sont identifi élees dans ce manuel les pi eces élelectriques qui pr élesentent ces particularit éles sont rep éler élee par la marque å et sont hachur élees dans les listes de pi eces et dans les diagrammes sch élematiques La substitution d une pi ece de rechange par une autr...

Page 36: ...25V Ceramic AA C1111 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1112 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1113 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1114 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1115 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1116 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1117 VCCCCY1HH560J J 56p 50V Ceramic AA C1118 VCKYCY1EF104Z J 0 1 25V Ceramic AA C1119 VCKYTV1CF105Z J 1 0 16V Ceramic AB C1120 VCKYCY1EF1...

Page 37: ... 10k 1 16W Metal Oxide AA R1151 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1152 VRS CY1JF000J J 0 1 16W Metal Oxide AA R1153 VRS CY1JF820J J 82 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 Oxide AC R1205 VRS CA1JF220J J 22 1 16W Metal Oxide AA R1206 VRS CB1JF220J J 22 1 16W Metal Oxide AC R1207 ...

Page 38: ... Ceramic AA C3203 VCCCCY1HH330J J 33p 50V Ceramic AA C3204 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3205 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3206 VCKYCY1HF103Z J 0 01 50V Ceramic AA C3208 RC EZ1351CEZZ J 3300 6 3V Electrolyitc AF C3210 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3308 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3309 VCKYCY1HB153K J 0 015 50V Ceramic AA C3310 VCKYCY1HB153K J 0 015 50V Ceramic AA C3311 V...

Page 39: ... VRS CY1JF433F J 43k 1 16W Metal Oxide AA R3316 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R3317 VRS CY1JF433F J 43k 1 16W Metal Oxide AA R3318 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R3319 VRS CY1JF333F J 33k 1 16W Metal Oxide AA R3320 VRS CY1JF333F J 33k 1 16W Metal Oxide AA R3321 VRS CY1JF433F J 43k 1 16W Metal Oxide AA R3322 VRS CY1JF183J J 18k 1 16W Metal Oxide AA R3323 VRS CY1JF433F J 43k 1...

Page 40: ...S CY1JF223F J 22k 1 16W Metal Oxide AA R3737 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R3738 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R3739 VRS CY1JF622F J 6 2k 1 16W Metal Oxide AA R3740 VRS CY1JF473F J 47k 1 16W Metal Oxide AA R3741 VRS CY1JF472F J 4 7k 1 16W Metal Oxide AA R3742 VRS CY1JF182F J 1 8k 1 16W Metal Oxide AA R3743 VRS CY1JF332F J 3 3k 1 16W Metal Oxide AA R3744 VRS CY1JF332F J 3 3k 1...

Page 41: ...g Part AC 1 8 RSP Z0131CEZZ J Speaker Left AR 1 9 RSP Z0132CEZZ J Speaker Right AR 1 10 XETSD40P12000 J Screw x6 AB 2 CCABB2317CE01 J Rear Cabinet Ass y BC 2 1 Not Available Rear Cabinet 2 2 HiNDP5939CESA J Model Label AG 2 3 LANGT9025CEFW J Fixing Metal AM 2 4 TCAUH3096CESA J Caution Label AE 2 5 XEBSD30P08000 J Screw x1 AA 3 CDAi 1120CE04 J Stand Ass y BN 3 1 GDAi 1120CESA J Stand Base AX 3 2 GC...

Page 42: ...A B B A 33 1 1 1 33 1 6 4 1 33 17 17 OPERATION Unit R C RECEIVER Unit 8 12 13 10 9 11 6 5 8 14 7 7 21 16 15 4 1 9 1 7 1 4 1 3 1 3 1 4 1 4 1 4 1 2 1 6 1 10 20 1 5 1 5 25 4 2 4 3 4 4 4 5 4 6 1 10 1 8 28 A 32 35 31 35 32 24 35 31 24 TERMINAL Unit JACK Unit 34 18 29 31 26 34 MAIN Unit ...

Page 43: ...51 LC 15B2U 17 16 19 18 15 14 13 12 11 10 27 3 2 3 6 3 1 3 5 2 4 2 2 2 1 2 3 2 5 19 22 36 30 36 3 8 3 9 3 12 3 4 3 14 3 2 36 36 3 3 3 7 3 7 3 16 3 16 3 10 3 11 3 12 3 12 3 14 3 15 3 15 ...

Page 44: ...6 XEBSF30P14000 J Screw x10 AA SUPPLIED ACCESSORIES LHLDW0109CEZZ J Cable Clamp x2 AD å QACCD3097CEPA J AC Cord AQ QCNW 5730CEZZ J Antenna Cable 2m AP RRMCG1664CESA J Wireless Remote Control AV TiNS 7436CEZZ J Operation Manual AT å UADP 0228CEPZ J AC Adapter BE PACKING PARTS NOT REPLACEMENT ITEM SPAKC5565CEZZ Packing Case SPAKP0913CEZZ Polyethylene Bag SPAKX2960CEZZ Buffer Material SSAKA0160CEZZ P...

Page 45: ...ING OF THE SET Packing Case Buffer Material Bottom Buffer Material Top Not Replacement Item Polyethylene Bag Operation Manual Cable Clamp 2 pcs Dry Battery 2 pcs AC Adapter AC Cord Antenna Cable Wireless Remote Control ...

Page 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 TQ1165 S Jul 2001 Printed in Japan NA KG ...

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