Sharp 20L-S100S, Service Manual

Page 1: ...0 V AC 60 Hz POWER RATING 88 W PICTURE SIZE 1 240cm2 192sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequency 41 25 MHz Color Sub Carrier Frequency 42 17 MHz Nominal AUDIO POWER OUTPUT RATING 1 3W 1 3W at 10 distortion ELECTRICAL SPECIFICATIONS SPEAKER SIZE 8 cm Round VOI...

Page 2: ...ation of this meter should be checked periodically 3 High voltage should always be kept at the rated value no higher Operation at higher voltages may cause a failure of the picture tube or high voltage circuitry and also under certain conditions may produce radiation in exceeding of desirable levels 4 When the high voltage regulator is operating properly there is no possibility of an X radiation p...

Page 3: ...ity networks mechanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground such a...

Page 4: ...ler le tube image qu en porant des lunettes incassables et qu après avoir déchargé totalement la haute tension LIMITES DES RADIATIONS X ET DE LA HAUTE TENSION 1 Tout le personnel réparateur doit être instruit des instructions et procédés relatifs aux radiations X Le tube image seule source de rayons X dons les téleviseurs transistorisés n émet pourtant pas de rayons mesurables si la haute tension ...

Page 5: ...eaux de résistance capacité les isolateurs mécaniques etc 3 S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de courant de 120V Ne pas utiliser de transformateur d isolation pour cet essai Al aide de deux fils à pinces brancher une résistance de 1 5 kΩ 10 watts en parallèle avec un...

Page 6: ...6 20L S100S CL20S10 21ML50 LOCATION OF USER S CONTROL ...

Page 7: ...the operation of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows 1 Connect an accurate high voltage meter between ground and anod...

Page 8: ...l mode Use the reset function in the video adjustment menu to ensure customer controls are in their proper reset position 2 Service number selection Once in the service mode press the Ch up or Ch down button on the remote controller or at the set The service adjustment number will vary in increments of one from S01 to M05 Select the item you wish to adjust 3 Data number selection Press the Vol up ...

Page 9: ...F Must be set to 23 S21 D D E OFFSET 03 00 1F Must be set to 03 S22 OSD SETUP 00 00 03 Must be set to 00 S23 TUNER SETUP 00 00 01 Must be set to 00 OP OPTION 30 00 FF Must be set to 06 M01 MTS LEVEL 0A 00 F M02 STERO VCO 20 00 3F M03 FILTER 1C 00 3F M04 LOW SEPARATION 20 00 3F M05 HIGH SEPARATION 1B 00 3F NECESSARY UNNECESSARY ADJUSTMENT NOTES PART REPLACED IC2001 IC2101 X CRT X IC201 X Data is st...

Page 10: ... Adjust the master screen control until the raster darkens to the point where raster is barely seen 7 Adjust the service adjustments S11 red S12 green and S13 blue to obtain a good grey scale with normal whites at low brightness level 8 Select the service adjustment S19 and reset data to 00 Select the service adjustment S03 and reset data to obtain normal color level 9 Remove digital voltmeter and...

Page 11: ...elect the service adjustment S18 3 A black text box appears on the screen see Figure B below 4 Adjust S18 data value so that text box is positioned in the center of the screen 3 58MHz Trap Adjustment 1 Receive a good local channel 2 Enter the service mode and select the service adjustment S16 3 This is a two position adjustment 00 is ON 01 is OFF 4 Adjust data value to 00 for normal viewing Sharpn...

Page 12: ...of IC3001 Stereo pilot signal 9 4kHz 600mVrms 2 Enter the service mode and select the service adjustment M03 3 Adjust the data at the point where OK appears on the screen The OK represents the approximate center of the adjustable range of the data Separation Adjustment 1 Connect the rms voltmeter to pin 39 of IC3001 2 Receive the following composite stereo signal 1 Composite stereo signal 30 modul...

Page 13: ...13 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT PWB E PWB B PWB A ...

Page 14: ...14 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM ...

Page 15: ...e unless otherwise indicated 2 All voltages measured with 1000µ V B W or Color signal WAVEFORM MEASUREMENT CONDITIONS 1 Photographs taken on a standard gated color bar signal the tint setting adjusted for proper color The wave shapes at the red green and blue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart waveforms are me...

Page 16: ... 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit DUNTK9532WEV7 20L S100S DUNTK9532WEV9 CL20S10 DUNTK9532WEW1 21ML50 VTST5UF78S 1 115B8025AM 2 1 150 2W VV 2 1 1000 16V 2 1 1 1 2W NVV 2 1 1 10k 2 2 2 50V 2 20L S100S 21ML50 F0090CE CL20S10 1 20L S100S CL20S10 2 21ML50 ...

Page 17: ...17 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H 17 16 19 18 15 14 13 12 11 10 S10 ...

Page 18: ...18 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT and MTS MODULE Unit 2SD601AR CRT MTS MODULE ...

Page 19: ...100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB E MTS MODULE Unit Chip Parts Side PWB E MTS MODULE Unit Wiring Side PWB B CRT Unit Wiring Side PWB B CRT Unit Chip Parts Side ...

Page 20: ...20 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...

Page 21: ...21 20L S100S CL20S10 21ML50 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 22: ...euillez fournir les renseignements suivants 1 NUMERO DU MODELE 2 NO DE REF 3 NO DE PIECE 4 DESCRIPTION in CANADA Contact SHARP Electronics of Conada Limited Phone 416 890 2100 MARQUE SECTION LIVRAISON DES PIECES DE RECHANGE MARQUE PIECES RELATIVE AUX RAYONS X Ref No Part No Description Code PICTURE TUBE Ref No Part No Description Code PRINTED WIRING BOARD ASSEMBLIES NOT REPLACEMENT ITEM çå V101 VB...

Page 23: ...Diode AC or RH DX0110CEZZ å D761 RH DX0441CEZZ J Diode AC or RH DX0110CEZZ å D762 RH DX0441CEZZ J Diode AC or RH DX0110CEZZ D2001 VHD1SS119 1 J Diode AB PACKGED CIRCUITS å PR701 RMPTP0026CEZZ J Packaged Circuit AF X801 RCRSB0205CEZZ J Crystal AF or RCRSB0001PEZZ FILTERS CF301 RFiLC0403CEZZ J Filter AE or RFiLC0029TAZZ CF302 RFiLC0404CEZZ J Filter AF or RFiLC0267CEZZ or RFiLC0007PEZZ CF401 RFiLC001...

Page 24: ...C FZ002SCEZZ or RC FZ059SCEZZ or RC FZ004SGEZZ or RC FZ019SCEZZ or RC FZ027CUMZZ C702 VCKYPB2HE103P J 0 01 500V Ceramic AB C703 VCKYPB2HE103P J 0 01 500V Ceramic AB C704 VCKYPB2HE103P J 0 01 500V Ceramic AB å C705 RC EZ0422CEZZ J 470 200V EL AN or RC EZ0522CEZZ å C706 RC KZ0092GEZZ J 3300p AC250V Ceramic AC or RC KZ0311CEZZ C707 VCEAGA2CW226M J 22 160V EL AD å C712 RC EZ0638CEZZ J 33 160V EL AG C7...

Page 25: ...arbon AA R455 VRD RA2BE392J J 3 9k 1 8W Carbon AA R456 VRS CY1JF223J J 22k 1 16W M Ox AA R457 VRD RA2BE102J J 1 0k 1 8W Carbon AA R458 VRD RA2BE474J J 470k 1 8W Carbon AA R459 VRD RA2BE123J J 12k 1 8W Carbon AA R504 VRD RA2BE471J J 470 1 8W Carbon AA R505 VRS CY1JF101J J 100 1 16W M Ox AA R506 VRD RA2BE683G J 68k 1 8W Carbon AA R507 VRD RA2BE104G J 100k 1 8W Carbon AA R508 VRD RA2BE473J J 47k 1 8W...

Page 26: ...6W M Ox AA R2506 VRS CY1JF563J J 56k 1 16W M Ox AA R2507 VRS CY1JF823J J 82k 1 16W M Ox AA R2508 VRS CY1JF153J J 15k 1 16W M Ox AA R2509 VRS CY1JF272J J 2 7k 1 16W M Ox AA R2601 VRD RA2BE331J J 330 1 8W Carbon AA SWITCHES S2501 QSW K0079GEZZ J Power AB S2502 QSW K0079GEZZ J Vol Down AB S2503 QSW K0079GEZZ J Vol Up AB S2504 QSW K0079GEZZ J Ch Down AB S2505 QSW K0079GEZZ J Ch Up AB PWB A DUNTK9532WE...

Page 27: ...562K J 5600p 50V Ceramic AA C357 VCEA0A1CW107M J 100 16V EL AC C358 VCEA0A1CW337M J 330 16V EL AC C359 VCKYCY1EF104Z J 0 1 25V Ceramic AA C360 VCEA0A1CW226M J 22 16V EL AB C365 VCEAGA1CW108M J 1000 16V EL AD C3001 VCE9GA1HW475M J 4 7 50V EL N P AB C3002 VCKYCY1HB562K J 5600p 50V Ceramic AA C3003 RC QZA123TAYK J 0 012 50V Mylar AB C3004 VCEA0A1HW105M J 1 0 50V EL AB C3005 VCEA0A1HW475M J 4 7 50V EL...

Page 28: ... M AC Cord AM or QACCD3060CESA QCNW 0114GJZZ X Connecting Cord QCNW 2111PEZZ R Connecting Cord AF QCNW 2160PEZZ R Connecting Cord AG QCNW 2208PEZZ R Connecting Cord AF SP1 VSP0080PBK98A M Speaker L AG or VSP0080P E98S SP2 VSP0080PBK98A M Speaker R AG or VSP0080P E98S MISCELLANEOUS PARTS CABINET PARTS 1 CCABA0005WEH0 X Front Cabinet Ass y 20L S100S CL20S10 1 CCABA0105WEH0 X Front Cabinet Ass y 21ML...

Page 29: ...ode 29 20L S100S CL20S10 21ML50 PACKING OF THE SET REAR Use tapes to fix the packing case Packing Case FRONT Buffer Material Wrapping Paper Polyethylene Bag Operation Manual Guarantee Card 20L S100S CL20S10 Infrared R C Unit Batteries MARK Not Replacement Items ...

Page 30: ...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 SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0654 S May 1999 Printed in Japan SO KG ...