Sharp 20J-S100, Service Manual

Page 1: ...IES 21 REPLACEMENT PARTS LIST 29 PACKING OF THE SET 37 CONTENTS POWER INPUT 120 V AC 60 Hz POWER RATING 93W PICTURE SIZE 1240cm2 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 RATING1 3 1...

Page 2: ...NLY WITH SAME TYPE 4A 125V FUSE 4A 125V X RADIATION AND HIGH VOLTAGE LIMITS 1 Be sure all service personnel are aware of the procedures and instructions covering X radiation The only potential source of X ray in current solid state TV receivers is the picture tube However the picture tube does not emit measurable X Ray radiation if the high voltage is as specified in the High Voltage Check instruc...

Page 3: ... parts which have special safety characteristics are identified in this manual electrical components having such features are identified by å and shaded areas in the Replacement Parts Lists and Schematic Diagrams 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212 1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234...

Page 4: ...puler 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 tensio...

Page 5: ...coffret et une terre connue comme une conduite électrique ou une prise de terre branchée à la terre Utiliser un voltmètre CA d une sensibilité d au moins 5000Ω V pour mesurer la chute de tension en travers de la résistance AC VOLTMETER 0 15µF TEST PROBE TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND SONDE D ESSAI AUX PIECES METALLIQUES EXPOSEES BRANCHER A UNE TERRE CONNUE 1234567890123456789...

Page 6: ...ustments MUTE Press n Mutes sound Press again n Restores sound CLOSED CAPTION appears when sound is muted DISPLAY Press n Displays receiving channel for 4 seconds Press again n Removes display Temporarily displays receiving channel when in Closed Caption mode Infrared Transmitter Window INPUT 20J S100 Press n Switch to external video input mode Press again n Switch to TV mode 25J S100 Press n Swit...

Page 7: ...or malfunctioning components After the voltage test make Y mute off normal mode CIRCUIT PROTECTION The receiver is protected by a 4 0A fuse F701 mounted on PWB A wired into one side of the AC line input X RADIATION PROTECTOR CIRCUIT TEST 1 After service has been performed on the horizontal deflection system high voltage system B system test the X Radiation protection circuit to ascertain proper op...

Page 8: ...of this model the bus data is convered to various analog signals by the D A converter circuit Note There are still a few analog adjustments in this series such as focus and master screen voltage Follow the steps below whenever service adjustment is required See Figure B to determine if service adjust ments are required Vertical size adjustment 1 Have unit receive a good local channel 2 Enter the s...

Page 9: ... MTS LEVEL 0A 00 FF M02 STEREO VCO 20 00 3F M03 FILTER 1C 00 3F M04 LOW SEPARATION 20 00 3F M05 HIGH SEPARATION 1B 00 3F SERVICE NUMBER DATA ADJUSTMENT CONTENTS ADJUSTMENT ITEM RANGE Holding down both the CH UP DOWN keys on the TV set at service mode for more then 2 seconds will automatically write the above initial values into IC2101 NECESSARY UNNECESSARY ADJUSTMENT NOTES PART REPLACED IC2001 The...

Page 10: ...en 7 Adjust service adjustments S11 red S12 green and S13 blue to obtain a good grey scale with normal whites at low brightness level 8 Select service adjustment S19 and reset data to 00 Select service adjustment S03 and reset data to obtain normal color level 9 Remove digital voltmeter Reset master screen cotrol to obtain normal brightness range White balance adjustment 1 Have unit receive a good...

Page 11: ...he above steps 1 thru 8 again for fine adjustment MTS level adjustment 1 Feed the following monaural signal to pin 14 of IC3001 Monaural signal 300Hz 245mVrms 2 Connect the rms voltmeter to pin 39 of IC3001 3 Enter the service mode and select the service adjustment M01 4 Adjust the data so that the rms voltmeter should take the reading below Spec 490 10mVrms Stereo VCO adjustment 1 Keep the unit i...

Page 12: ...e noted 3 All capacitors are µ F unless otherwise noted P µµ F 4 G indicates 2 tolerance may be used 5 indecates line isolated ground 6 indecates hot ground VOLTAGE MEASUREMENT CONDITIONS 1 All DC voltages are measured with DVM connected between points indicated and chassis ground line voltage set at 120V AC and all controls set for normal picture unless otherwise indicated 2 All voltages measured...

Page 13: ...20J S100 100S CJ20S10 21MJ50 13 H G F E D C B A 1 2 3 4 5 6 CHASSIS LAYOUT ...

Page 14: ...20J S100 100S CJ20S10 21MJ50 14 H G F E D C B A 1 2 3 4 5 6 BLOCK DIAGRAM ...

Page 15: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 20J S100 100S CJ20S10 21MJ50 20J S100 100S CJ20S10 21MJ50 15 16 SCHEMATIC DIAGRAM CRT Unit ...

Page 16: ...0 100S CJ20S10 21MJ50 H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 17 18 SCHEMATIC DIAGRAM MAIN Unit 20J S100 21MJ50 CJ20S10 IX2701CEN1 20JS100 CJ20S10 IX2573CE 21MJ50 L701 20J S100 21M50 CILF0235CE CILF0087CE CILF0029PE CJ20S10 CILF0090CE ...

Page 17: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 20J S100 100S CJ20S10 21MJ50 20J S100 100S CJ20S10 21MJ50 19 20 SCHEMATIC DIAGRAM MAIN Unit 20J S100S ...

Page 18: ... 21MJ50 20J S100 100S CJ20S10 21MJ50 H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 21 22 PRINTED WIRING BOARD ASSEMBLIES 20J S100 21MJ50 CJ20S10 PWB B CRT Unit Wiring Side PWB E MTS Unit Wiring Side PWB A MAIN Unit Wiring Side ...

Page 19: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 20J S100 100S CJ20S10 21MJ50 20J S100 100S CJ20S10 21MJ50 23 24 PWB B CRT Unit Chip Parts Side PWB E MTS Unit Chip Parts Side PWB A MAIN Unit Chip Parts Side ...

Page 20: ...CJ20S10 21MJ50 20J S100 100S CJ20S10 21MJ50 H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 25 26 PWB B CRT Unit Wiring Side PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES 20J S100S PWB E MTS Unit Wiring Side ...

Page 21: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 20J S100 100S CJ20S10 21MJ50 20J S100 100S CJ20S10 21MJ50 27 28 PWB B CRT Unit Chip Parts Side PWB E MTS Unit Chip Parts Side PWB A MAIN Unit Chip Parts Side ...

Page 22: ...1 IC2001 RH iX2946CEZZ J TMPA8701CKF108 AX IC2040 VHiPST994C 1 J PST994C AD IC2101 RH iX2447CEN1 J ST24C01B6 AL or RH iX2448CEN1 TRANSISTORS You can substitute VS2SD601AR 1 for VS2SC2462 C 1 Q201 VS2SC2735 1E J 2SC2735 AC Q351 VS2SD601AR 1 J 2SD601 AR AC Q401 VS2SD601AR 1 J 2SD601 AR AC Q402 VS2SB709AR 1 J 2SB709 AR AC Q403 VS2SD601AR 1 J 2SD601 AR AC Q404 VS2SB709AR 1 J 2SB709 AR AC Q451 VS2SB709...

Page 23: ...L AB C2021 VCCCCY1HH101J J 100p 50V Ceramic AA C2022 VCCCCY1HH101J J 100p 50V Ceramic AA C2023 VCCCCY1HH101J J 100p 50V Ceramic AA C202 VCKYPA1HF103Z J 0 01 50V Ceramic AA C203 VCKYCY1HF103Z J 0 01 50V Ceramic AA C204 VCKYCY1HF103Z J 0 01 50V Ceramic AA C205 VCEA0A1HW474M J 0 47 50V EL AB C206 VCEA0A1CW227M J 220 16V EL AC C207 VCKYCY1HF103Z J 0 01 50V Ceramic AA C208 VCEA0A1HW474M J 0 47 50V EL A...

Page 24: ...ilm AA R57 VRN MD2AL223J J 22k 0 1W M Film AA R201 VRN MD2AL221J J 220 0 1W M Film AA R202 VRD RA2BE122J J 1 2k 1 8W Carbon AA R203 VRD RA2BE682J J 6 8k 1 8W Carbon AA R204 VRN MD2AL270J J 27 0 1W M Film AA R205 VRD RA2BE391J J 390 1 8W Carbon AA R206 VRD RA2EE151J J 150 1 4W Carbon AA R208 VRN MD2AL391J J 390 0 1W M Film AA R301 VRD RA2BE222J J 2 2k 1 8W Carbon AA R302 VRN MD2AL102J J 1 0k 0 1W M...

Page 25: ...VV3DB470J J 47 2W M Ox AA R757 VRD RA2BE472J J 4 7k 1 8W Carbon AA å R758 VRS SV2HC180J J 18 1 2W M Ox AA R801 VRN MD2AL332J J 3 3k 0 1W M Film AA R802 VRN MD2AL332J J 3 3k 0 1W M Film AA R803 VRN MD2AL182J J 1 8k 0 1W M Film AA R804 VRN MD2AL182J J 1 8k 0 1W M Film AA R805 VRN MD2AL182J J 1 8k 0 1W M Film AA R806 VRN MD2AL333J J 33k 0 1W M Film AA R902 VRN MD2AL750J J 75 0 1W M Film AA R905 VRN M...

Page 26: ...J50 CJ20S10 R867 VRN MD2AL470J J 47 0 1W M Film AA 20J S100S R868 VRN MD2AL221J J 220 0 1W M Film AA 20J S100 21MJ50 CJ20S10 R868 VRD RA2BE221J J 220 1 8W Carbon AA 20J S100S R869 VRN MD2AL121J J 120 0 1W M Film AA å R873 VRS VV3AB123J J 12k 1W M Ox AA R874 VRD RM2HD332J J 3 3k 1 2W Carbon AA R881 VRN MD2AL561J J 560 0 1W M Film AA R2504 VRN MD2AL123J J 12k 0 1W M Film AA R2505 VRN MD2AL563J J 56k...

Page 27: ...10 VCE9GA1HW475M J 4 7 50V EL AB C3011 VCEA0A1HW475M J 4 7 50V EL AB C3012 VCE9GA1HW475M J 4 7 50V EL AB C3013 VCKYCY1HB272K J 2700p 50V Ceramic AA C3014 RC QZA473TAYK J 0 047 50V Mylar AB C3015 VCSATA1CE335K J 3 3 16V Tantalum AC C3016 VCE9GA1HW475M J 4 7 50V EL AB C3017 VCSATA1CE106K J 10 16V Tantalum AD C3018 VCEA0A1HW105M J 1 0 50V EL AB C3019 VCEA0A1HW475M J 4 7 50V EL AB C3020 VCEA0A1HW475M ...

Page 28: ...3051CESA M AC Cord AK or QACCD3037CESA AC Cord or QACCD3038CESA AC Cord QCNW 2110PEZZ R Connecting Cord QCNW 2111PEZZ R Connecting Cord QCNW 2116PEZZ R Connecting Cord QCNW 2150PEZZ R Connecting Cord SUPPLIEDACCESSORIES RRMCG1324CESA M Infrared R C AQ 20J S100 S100S 21MJ50 RRMCG1339CESA M Infrared R C CJ20S10 TGAN 1006MEZZ M Guarantee Card AA 20J S100 100S TiNS 6033MEZZ M Operation Manual AC 20J S...

Page 29: ...Ref No Part No Description Code 20J S100 100S CJ20S10 21MJ50 37 REAR Use tapes to fix the packing case Packing case FRONT Buffer material Polystyrene mat Polystyrene Bag Operation manual Guarantee Card and batteries PACKING OF THE SET ...

Page 30: ...20J S100 100S CJ20S10 21MJ50 TQ0286 S Printed in U S A Y O ...