Sharp LC-15B2H Service Manual Download Page 20 | Manualshive

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LC-15B2H
LC-15B2M

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Summary of Contents for LC-15B2H

Page 1: ...EMOVING OF MAJOR PARTS 6 ADJUSTING PROCEDURE OF EACH SECTION 9 TROUBLE SHOOTING TABLE 13 CHASSIS LAYOUT 16 BLOCK DIAGRAM 18 DESCRIPTION OF SCHEMATIC DIAGRAM 20 SCHEMATIC DIAGRAM Ë OPERATION and R C RECEIVER UNIT 21 Ë MAIN UNIT 22 Page Page Ë TERMINAL UNIT 30 Ë JACK UNIT 34 PRINTED WIRING BOARD ASSEMBLIES 35 PARTS LIST Ë ELECTRICAL PARTS 39 Ë MAIN UNIT 39 Ë TERMINAL UNIT 41 Ë OPERATION UNIT 44 Ë JA...

Page 2: ...nect AC power 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 e...

Page 3: ...requirement Weight Accessories 15 TFT LCD 921 600 dots VGA World multi system I DK M BG Auto preset turning NICAM BG I DK IGR BG Yes Yes Hyper Band Yes 430 cd m2 60 000 hours H 160 V 160 2 1 W 2 4 7 cm Oval 2 pcs Composite Video S Video Audio Composite Video Audio Y PB PR Audio 3 5 mm ø jack Rear English Chinese Arabic DC 12 V AC 110 240 V 50 60 Hz 4 6 kg w o accessories Remote control Btteries AC...

Page 4: ...s operation manual provides a description based on operation with the remote control Note VOL CH MENU TV VIDEO MAIN POWER Auto Preset Details are described Main unit rear view ANT VIDEO AUDIO L Y PB PR R AUDIO HEAD PHONE POWER INPUT DC12V L R AV IN 2 OUT COMPONENT VID EO S VID EO AUDIO L R AV IN 1 Antenna terminal AUDIO L AUDIO R HEADPHONE POWER INPUT DC 12V AUDIO L AUDIO R VIDEO Y PR PB AV IN 2 O...

Page 5: ... 484 307 305 28 231 296 75 1 371 228 96 301 6 SLEEP POWER 95 8 58 1 229 4 365 2 0 5 107 3 135 8 18 9 149 5 48 5 198 43 9 100 2 5 100 14 13 14 14 14 14 14 14 14 24 5 43 16 15 15 AV IN 1 VIDEO AUDIO L R S VIDEO AV IN 2 OUT VIDEO AUDIO AUDIO L COMPONENT Y PB PR L R HEAD PHONE POWER INPUT DC12V ...

Page 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 ...

Page 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 ...

Page 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...

Page 9: ...he upper left of the image plane Next CH Ù and VOL buttons are pushed at the same time It becomes the image plane of the adjustment process mode When it is canceled it is made to turn it off Even off in the POWER button off with R C are good 3 Key operation in the adjustment processing Selection of the receiving channel The receiving channel UP DOWN is performed with the CH ù Ù buttons One push Th...

Page 10: ...ed write its adjustment value to the followings manually PAL TAMP SECAM TAMP PAL M TAMP PAL N TAMP Screen of the page 2 of the adjustment processing menu OSD 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 C O M B I A S 3 9 N T S C T A M P 2 4 P A L T A M P 2 4 S E C A M T A M P 2 4 P A L M T A M P 2 4 P A L N T A M P 2 4 G C U T O F F R C U T O F F 0 5 B C U T O F T A M P...

Page 11: ... 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 9 page 1 of the adjustment process is 1 or more If it is 1 or more it indicates the lamp error detection was executed 6 2 2 Resetting of the lamp error count Af...

Page 12: ...morized 6 functions of Public Mode settings expand for public application 1 MAXIMUM VOLUME 1 60 You can set the maximum volume at your desire level 2 VOLUME FIXED VARIABLE FIXED You can fix the sound volume at your desire level When you set to FIXED the sound volume which you just set is fixed 3 REMOTE CONTROL RESPOND LIMITED If you set LIMITED remote control button of POWER CH ù Ù VOL and BRIGHT ...

Page 13: ...of tuner as specified Check the tuner and its peripheral parts No Is input at pin 3 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 pins 1 or 5 of IC402 as specified Check the line in question Yes No Are pi...

Page 14: ...ce 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 periph...

Page 15: ...eripheral 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 58 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 an...

Page 16: ...17 16 LC 15B2H LC 15B2M 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 17: ...CODER 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 3 WIRE CK VD HD Y PB PR 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 Q37...

Page 18: ... resistors 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...

Page 19: ...21 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M SCHEMATIC DIAGRAM Ë OPERATION and R C RECEIVER Unit OPERATION R C RECEIVER ...

Page 20: ...23 22 LC 15B2H LC 15B2M 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 21: ...25 24 LC 15B2H LC 15B2M 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 22: ...27 26 LC 15B2H LC 15B2M 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 23: ...29 28 LC 15B2H LC 15B2M 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 24: ...31 30 LC 15B2H LC 15B2M 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 25: ...33 32 LC 15B2H LC 15B2M 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 26: ...34 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M Ë JACK Unit ...

Page 27: ...35 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M PRINTED WIRING BOARD ASSEMBLIES R C Receiver Unit Component Side Operation Unit Component Side Jack Unit Component Side ...

Page 28: ...36 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M Main Unit Side A ...

Page 29: ...37 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M Main Unit Side B ...

Page 30: ...38 6 5 4 3 2 1 A B C D E F G H LC 15B2H LC 15B2M Terminal Unit Component Side ...

Page 31: ...7KQ AA Q701 VS2SA1162Y 1 J 2SA1162Y AB Q702 VSDTC144EE 1 J DTC144EE AA Q703 VS2SA1162Y 1 J 2SA1162Y AB Q1101 VS2SA1729 1 J 2SA1729 AF Q1102 VS2SC4520 1 J 2SC4520 AE Q1201 VSDTC144EE 1 J DTC144EE AA Q1202 VSDTC144EE 1 J DTC144EE AA Q2004 VSDTC144EE 1 J DTC144EE AA Q2050 VSDTC144EE 1 J DTC144EE AA DIODES D1101 VHD1SS250 1E J Diode AB D1102 VHDDAN222 1 J Diode AA D1201 VHDDAN222 1 J Diode AA D2001 VH...

Page 32: ... 0 1 25V Ceramic AA C1222 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2006 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2007 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2009 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2010 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2017 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2018 VCCCCY1HH220J J 22p 50V Ceramic AA C2019 VCCCCY1HH470J J 47p 50V Ceramic AA C7104 VCEAPF1CN107M J 100 16V Electrolytic AD C7105 ...

Page 33: ...J J 4 7k 1 16W Metal Oxide AA R1235 VRS CB1JF473J J 47k 1 16W Metal Oxide AC R1236 VRS CB1JF473J J 47k 1 16W Metal Oxide AC R1238 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2002 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2003 VRS CA1JF223J J 22k 1 16W Metal Oxide AA R2007 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R2009 VRS CY1JF102J J 1 0k 1 16W Metal Oxide AA R2010 VRS CY1JF101J J 100 1 16W Metal Ox...

Page 34: ... VCKYCY1HB102K J 1000p 50V Ceramic AA C3337 VCEAPF1CN106M J 10 16V Electrolytic AD C3338 VCEAPF1CN106M J 10 16V Electrolytic AD C3339 VCEAPF1HN335MY J 3 3 50V Electrolytic AD C3340 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3341 VCCCCY1HH101J J 100p 50V Ceramic AA C3342 VCCCCY1HH101J J 100p 50V Ceramic AA C3343 VCCCCY1HH101J J 100p 50V Ceramic AA C3344 VCCCCY1HH101J J 100p 50V Ceramic AA C3345 VCCCCY1HH1...

Page 35: ...58 VRS CY1JF562J J 5 6k 1 16W Metal Oxide AA R3359 VRS CY1JF101J J 100 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 R3362 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R3363 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R3364 VRS CY1JF122J J 1 2k 1 16W Metal Oxide AA R3365 VRS CY1JF332J J 3 3k 1 16W Metal Oxide AA R3366 VRS CY1JF332J ...

Page 36: ...705 RBLN 0051TAZZ J Ferrite Bead AC FB3706 RBLN 0051TAZZ J Ferrite Bead AC FB3707 RBLN 0051TAZZ J Ferrite Bead AC FB3708 RBLN 0051TAZZ J Ferrite Bead AC FB3709 RBLN 0095CEZZ J Ferrite Bead AD FH3701 QFSHD1002CEZZ J Fuse Holder AA FH3702 QFSHD1002CEZZ J Fuse Holder AA FH3705 QFSHD1002CEZZ J Fuse Holder AA FH3706 QFSHD1002CEZZ J Fuse Holder AA J3301 QJAKE0200CE09 J Jack AUDIO L AE J3302 QJAKE0200CE0...

Page 37: ... x1 AA 3 CDAi 1120CE04 J Stand Ass y BN 3 1 GDAi 1120CESA J Stand Base AX 3 2 GCOVA1945CESA J Handle Cover AK 3 3 GDAi 1121CESA J Stand Joint AP 3 4 GDAi 3048CESB J Base Joint AM 3 5 GLEGG9093CEZZ J Leg x6 AC 3 6 JHNDP0105CESA J Stand Handle AU 3 7 LANGG0114CEFW J Fixing Metal x2 AE 3 8 LX BZ3441CEFN J Screw x1 AD 3 9 MHNG 3033CEFW J Hinge Side AX 3 10 MHNG 3039CEFW J Hinge Right AP 3 11 MHNG 3046...

Page 38: ... H A 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 37 35 31 24 TERMINAL Unit JACK Unit 34 18 29 34 34 26 MAIN Unit ...

Page 39: ...47 LC 15B2H LC 15B2M 17 16 19 18 15 14 13 12 11 10 27 3 2 3 6 3 1 3 5 2 2 2 1 2 3 2 4 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 40: ... AC CABINET PARTS LOCATION Continued SUPPLIED ACCESSORIES LHLDW0109CESA J Cable Clamp 2 pcs AD å QACCB0016TAZZ J AC Cord LC 15B2H AV å QACCK0002TAZZ J AC Cord LC 15B2M AV å QACCL0002TAZZ J AC Cord LC 15B2M X AV QCNWG0008CEPZ J Antenna Cable AM RRMCG1663CESA J Wireless Remote Control AV TiNS 7507CEZZ J Operation Manual AU LC 15B2H TiNS 7508CEZZ J Operation Manual AT LC 15B2M M X å UADP 0226CEPZ J A...

Page 41: ...ment Item Polyethylene Bag SSAKH0179CEZZ Operation Manual TiNS 7507CEZZ LC 15B2H TiNS 7508CEZZ LC 15B2M M Cable Clamp 2 pcs LHLDW0109CEZZ Dry Battery 2 pcs AC Adapter UADP 0226CEPZ AC Cord QACCB0016TAZZ LC 15B2H QACCK0002TAZZ LC 15B2M QACCL0002TAZZ LC 15B2M Wireless Remote Control RRMCG1663CESA Polyethylene Bag SSAKA0160CEZZ Wrapping Paper SPAKP0913CEZZ X X X No Label TLABK0001TAZZ ...

Page 42: ...d 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 SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan D Japan P Japan TQ1245 S Nov 2001 Printed in Japan NA KG ...

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