Sharp 19N-M100 Page 16 Service Manual Download | Manualshive

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20N-S100S
CN20S10

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SCHEMATIC DIAGRAM: MAIN Unit

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Summary of Contents for 19N-M100

Page 1: ...C 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 VOICE CO...

Page 2: ...on 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 prob...

Page 3: ...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 as el...

Page 4: ... 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 est...

Page 5: ... 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 con...

Page 6: ...ect commands to a cable TV converter VCR CONTROL Infrared Transmitter Window DISPLAY Press Displays receiving channel for four seconds Press again Removes display Temporarily displays receiving channel when in Closed Caption mode INPUT Press Switch to external video INPUT mode Press again Switch to TV mode ENTER Used in some instances where a VCR or Cable Converter Box requires an enter command af...

Page 7: ... 7 If 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 an...

Page 8: ...the video adjustment menu to ensure customer control are in their proper reset position 2 Service number selection In the service mode you will see the window screen as window 1 There are 4 adjustment categories 2DEF 3SIGNAL 4FEATURE 5FIX VALUE as show in Figure A Press CH UP DOWN button for selection and enter by VOL UP or VOL DOWN Press CH UP DOWN button to select the adjustment item and VOL UP ...

Page 9: ...06 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE Hex 1 Must be B3 for 20N S100S A3 for CN20S10 Table A Below are the ranges and initial values for each adjustment and in each categories DEF D01 H PHASE 00 1F 0C D02 V SIZE 00 7F 40 D03 V POSITION 00 3F 20 Must be 20 D04 CC POSITION 00 FF 1A D05 V LINEARITY 00 1F 10 Must be 12 D06 V S CORRECTION 00 1F 10 Must be 0F SERVICE POSITION ADJUST IT...

Page 10: ... stored in IC2101 Adjust items related to picture tube only Holding down both the Vol up Ch down buttons on the TV set at service mode for more than 2 seconds will automatically write the above initial values into IC2101 Table E The adjustment is needed to compensate for characteristics of parts including IC201 Holding down both the Vol up Ch down buttons on the TV set in the service mode for more...

Page 11: ...hannel 2 Enter the service mode signal category and select the service adjustment S01 3 Set the data value to point where no noise or beat appears 4 Select another channel to confirm that no noise or beat appears Note You have to exit the service mode first to select another channel Video Level TV Det Video Level Adjustment 1 Receive a good local channel 2 Enter the service mode signal category an...

Page 12: ...age reading of the rms voltmeter is minimum 5 Receive the following composite stereo signal 2 Stereo signal 30 modulation left channel only noise reduction on 3kHz 6 Enter the service mode and select the service adjustment M05 7 Adjust the data until the AC voltage reading of the rms voltmeter is minimum 8 Take the above steps 1 thru 7 again for fine adjustment Vertical Size V Linearity V S Correc...

Page 13: ...13 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT PWB C PWB B PWB A ...

Page 14: ...14 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM ...

Page 15: ...ise 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 measured from poi...

Page 16: ...17 20N S100S CN20S10 16 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit ...

Page 17: ...18 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...

Page 18: ...19 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MTS MODULE Unit ...

Page 19: ...20 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...

Page 20: ...21 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 21: ...22 20N S100S CN20S10 6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side PWB B CRT Unit Chip Parts Side PWB C MTS MODULE Unit Wiring Side PWB C MTS MODULE Unit Chip Parts Side ...

Page 22: ...S DE RECHANGE Pour que votre commande soit rapidement et correctement remplie veuillez 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 PICTURE TUBE PRINTED WIRING BOARD ASSEMBLIES NOT REPLACEMENT ...

Page 23: ...lter AD SF201 RFiLC0441CEZZ X SAW Filter AG COILS L201 VP XF1R2K0000 J Peaking 1 2µH AB L202 VP XF1R2K0000 J Peaking 1 2µH AB L203 VP XF220K0000 J Peaking 22µH AB L204 RCiLi0632CEZZ X VCO Coil AE L301 VP XF150K0000 J Peaking 15µH AB å L701 RCiLF0069PEZZ R Coil 20N S100S AG or RCiLF0037PEZZ or RCiLF0078PEZZ or RCiLF0029PEZZ or RCiLF0090CEZZ å L701 RCiLF0090CEZZ R Coil CN20S10 AL L2040 RCiLB0131CEZZ...

Page 24: ...RS CY1JF000J J 0 1 16W M Ox AA RJ2 VRS CY1JF000J J 0 1 16W M Ox AA RJ3 VRS CY1JF000J J 0 1 16W M Ox AA RJ4 VRS CY1JF000J J 0 1 16W M Ox AA RJ5 VRS CY1JF000J J 0 1 16W M Ox AA RJ6 VRS CY1JF000J J 0 1 16W M Ox AA RJ7 VRS CY1JF000J J 0 1 16W M Ox AA RJ8 VRS CY1JF000J J 0 1 16W M Ox AA RJ9 VRS CY1JF000J J 0 1 16W M Ox AA RJ10 VRS CY1JF000J J 0 1 16W M Ox AA RJ13 VRS CY1JF000J J 0 1 16W M Ox AA RJ14 VR...

Page 25: ...S CY1JF104J J 100k 1 16W M Ox AA R961 VRS CY1JF101J J 100 1 16W M Ox AA R962 VRS CY1JF101J J 100 1 16W M Ox AA R2001 VRD RA2BE102J J 1 0k 1 8W Carbon AA R2002 VRS CY1JF103J J 10k 1 16W M Ox AA R2006 VRS CY1JF103J J 10k 1 16W M Ox AA R2007 VRD RA2BE223J J 22k 1 8W Carbon AA R2008 VRD RA2BE333J J 33k 1 8W Carbon AA R2009 VRS CY1JF102J J 1 0k 1 16W M Ox AA R2010 VRD RA2BE102J J 1 0k 1 8W Carbon AA R2...

Page 26: ...d PWB B DUNTKA056WEV4 CRT UNIT TRANSISTORS Q852 VS2SC2229O 1E J 2SC2229 O AD Q854 VS2SC2229O 1E J 2SC2229 O AD Q856 VS2SC2229O 1E J 2SC2229 O AD Q881 VS2SA1266 Y 1 J 2SA1266 Y AA or VS2SA1015 Y 1 DIODES D881 RH DX0475CEZZ J Diode AB D882 RH DX0475CEZZ J Diode AB D885 RH DX0475CEZZ J Diode AB COIL L851 VP DF820K0000 J Peaking 82µH AB CAPACITORS EL Electrolytic C851 VCCCCY1HH151J J 150p 50V Ceramic ...

Page 27: ...1 16W M Ox AA R3003 VRS CY1JF105J J 1 0M 1 16W M Ox AA R3004 VRS CY1JF104J J 100k 1 16W M Ox AA R3005 VRS CY1JF623J J 62k 1 16W M Ox AA R3007 VRS CY1JF332J J 3 3k 1 16W M Ox AA R3008 VRS CY1JF302J J 3 0k 1 16W M Ox AA R3010 VRS CY1JF392J J 3 9k 1 16W M Ox AA R3011 VRS CY1JF102J J 1 0k 1 16W M Ox AA R3012 VRS CY1JF102J J 1 0k 1 16W M Ox AA R3373 VRS CY1JF683J J 68k 1 16W M Ox AA R3374 VRS CY1JF822J...

Page 28: ...art No Description Code 29 20N S100S CN20S10 PACKING OF THE SET REAR Use tapes to fix the packing case Packing Case FRONT Buffer Material Wrapping Paper Polyethylene Bag Operation Manual Infrared R C Unit Batteries MARK Not Replacement Items ...

Page 29: ...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 TQ0855 S Mar 2000 Printed in Japan MI KG ...

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