Sharp W21FL Service Manual Download | Manualshive

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PACKING OF THE SET

W21FL

34

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Summary of Contents for W21FL

Page 1: ...EMATIC DIAGRAM 19 SCHEMATIC DIAGRAMS 20 PRINTED WIRING BOARD ASSEMBLIES 24 REPLACEMENT PARTS LIST 28 PACKING OF THE SET 34 CONTENTS SPEAKER SIZE 5 x 12 cm 2pcs VOICE COIL IMPEDANCE 16 ohm at 400 Hz ANTENNA INPUT IMPEDANCE VHF UHF 75 ohm Unbalanced TUNING RANGES VHF Channels 2 thru 13 UHF Channels 14 thru 69 CATV Channels 1 thru 125 EIA Channel Plan U S A POWER INPUT AC 110 220V 60 Hz POWER RATING ...

Page 2: ... to be certain that the high voltage does not exceed the specified value and that it is regulating correctly 5 Do not use a picture tube other than that specified or make unrecommended circuit modifications to the high voltage circuitry 6 When trouble shooting and taking test measurements on a receiver with excessive high voltage avoid being unnecessarily close to the receiver Do not operate the r...

Page 3: ...fety checks Connect the resistor connection to all exposed metal parts having a return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon etc and measure the AC voltage drop across the resistor AII checks must be repeated with the AC line cord plug connection reversed If necessary a non polarized adapter plug must be used only for the purpose of completing these c...

Page 4: ...ntrol Functions INSIDE DOOR LOCATION OF USER S CONTROL Front Panel POWER Press On Press again Off SENSOR AREA FOR REMOTE CONTROL MENU Press Accesses MAIN MENU Press again Exits MAIN MENU VIDEO IN 2 L AUDIO R CHANNEL UP DOWN Selects next higher channel Selects next lower channel VOLUME UP DOWN Increases sound Decreases sound Note The above shaded buttons on the Remote Control glow in the dark To us...

Page 5: ...e 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 anode ...

Page 6: ...s as follows by key input MENU SERVICE MODE 6 AFT processing is disabled during service mode PLL setting data is set to fo data 7 All user data are set to default during service mode FAO and SPEAKER user settings are off and on respectively in service mode Energy Save is off 8 Sleep timer View timer and Off timer are inactivated in Service mode 9 Sound is muting in service mode except at Adjustmen...

Page 7: ...7 64 V18 CC POS Micron 0 255 32 V19 Vertical mode 1 Chip V MUTE SERVICE 0 1 2 0 V20 SUB VOL 1 Chip A ATT 0 127 127 V21 H VCO 1 Chip H VCO 0 7 4 M01 MTS ATT MTS ATT 0 15 16 M02 MTS VCO MTS VCO 0 63 32 M03 MTS FILTER MTS FILTER 0 63 28 M04 MTS WIDEBAND MTS WIDEBAND 0 63 27 M05 MTS SPECTRAL MTS SPECTRAL 0 63 32 M06 SUB VOL MTS VOL 0 63 63 ADJUSTMENT METHOD Caution to get into the service mode one of ...

Page 8: ...5 Increase RF AGC 1chip data when AFT input voltage is at max 0 3V point adjustment is completed 6 When adjustment completed OSD display and RF AGC self adjustment status data of EEPROM are updated 7 Intelligent monitor output and IM input mode are recovered PIF VCO 1 When there is PIF VCO self adjustment key input for adjustment item PIF VCO self adjustment is performed 2 VIF DEF 1chip is set to ...

Page 9: ...RI OFFSET 32 32 0 F23 B DRI B OFFSET B DRI OFFSET 32 32 0 F24 V FREE 1chip V FREE 0 1 0 F25 GAMMA 1chip GAMMA 0 3 0 F26 TRAP TV 1chip TRAP FINE 0 3 2 F27 TRAP AV 1chip TRAP FINE 0 3 2 F28 H FREE 1chip H FREE 0 1 0 F29 1W TV 1chip V Window 0 1 0 F30 1W AV 1chip V Window 0 1 0 F31 YLPF 1chip YSW LPF 0 1 1 F32 BS D 1chip BS DISCHARGE 0 3 0 F33 BS C 1chip BS CHARGE 0 3 0 F34 SL TV 1chip S SLICE DOWN 0...

Page 10: ...AV COL COL TEMP 1 O12 COMPONENT Without COMPONENT With COMPONENT 1 O13 AV Without AV With AV 1 O14 AV2 AV1 system AV2 system 1 O15 MTS Without MTS With MTS 1 O16 TONE CTRL Without S ADJ With S ADJ 1 O17 AUTO OFF Without AUTO OFF With AUTO OFF 1 O18 INIT LANG ENGLISH SPANISH 1 O19 SETUP FLAG NO SETUP AUTO SETUP 1 O20 FR AV Front 3 Rear AV 3 Display FRONT A V INPUTS and REAR A V INPUTS in DEMO mode ...

Page 11: ...TURE CONTRAST 0 127 127 V02 SUB TINT TINT 0 127 64 V03 SUB COLOR COLOR 0 127 64 V04 SUB BRIGHT BRIGHT 0 255 128 V05 SUB SHARP VIDEO TONE 0 63 32 V06 V SHIFT V SHIFT 0 7 4 V07 H SHIFT H PHASE 0 31 16 V08 RF AGC RF DELAY 0 127 127 V09 V SIZE V SIZE 0 63 32 V10 PIF VCO VIF VCO 0 63 32 V11 R CUTOFF R CUTOFF 0 255 127 V12 G CUTOFF G CUTOFF 0 255 127 V13 B CUTOFF B CUTOFF 0 255 127 V14 R DRIVE R DRIVE 0...

Page 12: ...2 0 F22 B DRI R B DRI OFFSET 32 32 0 F23 B DRI B B DRI OFFSET 32 32 0 F24 V FREE V FREE 0 1 0 F25 GAMMA GAMMA 0 3 0 F26 TRAP TV TRAP FINE 0 3 2 F27 TRAP AV TRAP FINE 0 3 2 F28 H FREE H FREE 0 1 0 F29 1W TV V WINDOW 0 1 0 F30 1W AV V WINDOW 0 1 0 F31 YLPF YSW LPF 0 1 1 F32 BS D BS DISCHARGE 0 3 0 F33 BS C BS CHARGE 0 3 0 F34 SL TV S SLICE DOWN 0 3 0 F35 SL AV S SLICE DOWN 0 3 0 F36 SL YUV S SLICE D...

Page 13: ... 1 007 UNIV UNIV DISABLE ON 1 008 VIEW TIMER VIEW TIMER DISABLE ON 1 009 EZ SETUP EZ SETUP AUTO PRESET 1 010 PON CH POWER ON DISABLE ON 1 011 FAV COL FAV COL COL TEMP 1 012 COMPONENT COMPONENT DISABLE ON 1 013 AV AV DISABLE ON 1 014 AV2 AV2 DISABLE ON 1 015 MTS MTS DISABLE ON 1 016 TONE CTRL S ADJ DISABLE ON 1 017 AUTO OFF AUTO OFF DISABLE ON 1 018 INIT LANG ENGLISH SPANISH 0 019 SETUP FLAG NO SET...

Page 14: ...6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT 14 W21FL ...

Page 15: ...6 5 4 3 2 1 A B C D E F G H CRT BLOCK DIAGRAM 15 W21FL ...

Page 16: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MTS BLOCK DIAGRAM 16 W21FL ...

Page 17: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN BLOCK DIAGRAM W21FL 17 ...

Page 18: ...10 11 12 13 14 15 16 17 18 19 W21FL 18 ...

Page 19: ...asured 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 point indicated to chassis ground ...

Page 20: ...6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit 20 W21FL ...

Page 21: ...A B C D E F G H 10 9 8 7 6 5 4 3 2 1 SCHEMATIC DIAGRAM MAIN 1 Unit W21FL 21 ...

Page 22: ...17 16 19 18 15 14 13 12 11 10 W21FL 22 ...

Page 23: ...A B C D E F G H 10 9 8 7 6 5 4 3 2 1 SCHEMATIC DIAGRAM MTS Unit 23 W21FL ...

Page 24: ...6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side W21FL 24 ...

Page 25: ... 0 8 5 D1 0 8 6 C1 0 1 0 C1 0 0 9 R8 1 4 R1 0 6 1 R1 0 4 6 R1 0 4 8 R1 0 4 9 R1 0 6 0 Q8 0 3 R1 0 6 2 R1 0 4 7 F DC3 C1 8 5 5 R1 0 6 3 C8 1 5 I C1 0 0 1 R8 4 2 R8 1 1 R8 1 3 C8 1 6 C8 1 4 R8 1 0 R1 0 3 3 R1 0 6 6 C8 1 3 R1 0 6 7 C8 1 2 C8 1 1 R1 0 6 9 R8 0 7 R8 3 8 R1 0 6 4 R1 0 6 5 R1 0 7 1 RJ 3 3 D8 1 2 R1 0 6 8 D8 1 1 R1 8 5 3 RJ 6 9 R1 0 3 7 D1 0 9 0 R8 0 6 R1 0 7 0 R1 0 3 6 D1 0 8 8 C1 0 1 5 ...

Page 26: ...6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side W21FL 26 ...

Page 27: ...0 2 R3 0 0 3 C3 0 2 3 C3 0 2 4 R3 0 0 4 C3 0 2 6 C3 0 3 1 C3 0 2 5 C3 0 2 8 C3 0 3 2 C3 0 3 3 C3 0 2 7 RJ 9 R3 0 0 2 R3 0 3 6 RJ 2 RJ 7 R3 0 0 1 RJ 1 4 RJ 1 5 RJ 1 3 R3 0 3 3 RJ 8 R3 0 8 4 Q3 0 0 7 R3 0 8 5 Q3 0 0 6 R3 0 8 3 R3 0 8 2 Q3 0 0 4 R3 0 3 4 R3 0 1 6 R3 0 2 9 R3 0 2 6 R3 0 1 8 R3 0 1 9 C3 0 4 3 R3 0 3 5 RJ 6 Q3 0 0 1 R3 0 3 2 R3 0 2 8 R3 0 3 0 Q3 0 0 5 R3 0 2 7 Q3 0 0 2 R3 0 3 1 R3 0 2 1...

Page 28: ...C U IC703 VHISE125N F X SE125N AF IC801 VHIM61251CF1EQ X M61251CP AR IC1001 RH IXA983WJZZ X RU3AMLF C4 AN IC1003 VHIBR24L04F 1Y X BR24L04F WE2 AD Q201 VS2SC2735 1EY X 2SC2735 AB Q601 VS2SC2235Y 1E X 2SC2235 Y AD Q602 VSTT2140 F X TT2140LS AF Q603 VS2SC3198 G 1 X 2SC3198 G AB Q604 VS2SD601AR 1Y X 2SD601AR AB Q751 VS2SD468 C 1 X 2SD468ACTZ AC Q752 VS2SD468 C 1 X 2SD468ACTZ AC Q753 VS2SC3198 G 1 X 2S...

Page 29: ...39 VCKYCY1HF103ZY X 0 01 50V Ceramic AA C452 VCE9GA1CW106M X 10 16V EL AB C505 VCEA0A1HW107M X 100 50V EL AB C508 VCFYAA2AA224J X 0 22 100V M Poly AC C511 VCEA0A1VW477M X 470 35V EL AC C512 VCKYPA2HB102K X 1000p 500V Ceramic AA C513 RC EZA332WJZZ X 1000 35V EL AD C515 VCEACA1HC335J X 3 3 50V EL AC C601 VCQYTA1HM563J X 0 056 50V Mylar AA C602 VCEA0A1HW475M X 4 7 50V EL AA C603 VCEA0A1HW105M X 1 50V...

Page 30: ...2JY X 1 2k 1 16W M Ox AA R207 VRS CY1JF221JY X 220 1 16W M Ox AA R208 VRS CY1JF331JY X 330 1 16W M Ox AA R209 VRS CY1JF392JY X 3 9k 1 16W M Ox AA R216 VRS RG3LB333J X 33k 3 0W M Ox AC R220 VRS CY1JF221JY X 220 1 16W M Ox AA R301 VRS CY1JF102JY X 1k 1 16W M Ox AA R302 VRN RL3DBR10J X 0 10 2W M Film AB R303 VRS CY1JF473JY X 47k 1 16W M Ox AA R304 VRD RA2BE683JY X 68k 1 8W Carbon AA R305 VRS CY1JF274...

Page 31: ...JY X 10k 1 16W M Ox AA R1035 VRD RA2BE101JY X 100 1 8W Carbon AA Ref No Part No Description Code R1036 VRS CY1JF103JY X 10k 1 16W M Ox AA R1037 VRS CY1JF103JY X 10k 1 16W M Ox AA R1038 VRS CY1JF562JY X 5 6k 1 16W M Ox AA R1039 VRS CY1JF102JY X 1k 1 16W M Ox AA R1040 VRS CY1JF273JY X 27k 1 16W M Ox AA R1041 VRS CY1JF103JY X 10k 1 16W M Ox AA R1042 VRD RA2BE101JY X 100 1 8W Carbon AA R1043 VRS CY1JF...

Page 32: ...TEGRATED CIRCUITS TRANSISTORS CAPACITORS EL Electrolytic M Poly Metalized Polypro Film RESISTORS M Ox Metal Oxide M Film Metal Film Ref No Part No Description Code IC3001 VHICXA2194Q 1Y X CXA2194Q AS Q3001 VS2SD601AR 1Y X 2SD601AR AB Q3002 VS2SD601AR 1Y X 2SD601AR AB Q3004 VS2SD601AR 1Y X 2SD601AR AB Q3005 VS2SD601AR 1Y X 2SD601AR AB Q3006 VS2SD601AR 1Y X 2SD601AR AB Q3007 VS2SD601AR 1Y X 2SD601AR...

Page 33: ...x AA P3007 QPLGZ0610CEZZ X plug 6Pin AC P3008 QPLGZ0610CEZZ X plug 6Pin AC P3009 QPLGZ0810CEZZ X plug 32 AD U ACC701 QACCZA020WJPZ X AC CORD AG SP301 VSP1205PB09WA X SPEAKER AN SP302 VSP1205PB09WA X SPEAKER AN LHLDK0014PEZZ X AC CORD HOLDER AB LHLDW1047PEZZ X HOLDER AB LHLDZ0133PEZZ X ANODE CLAMP AB LHLDZA096WJZZ X Holder AC LHLDZA107WJZZ X Holder AC TCAUH3045GJZZ X CAUTION CARD AB XTASD30P12000 X...

Page 34: ...PACKING OF THE SET W21FL 34 ...

Page 35: ... 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 ELECTRONICA MEXICO S A DE C V Quality Reliability Control Center Blvd SHARP No 3510 Parque Industrial Rosarito Playas de Rosarito México B C 22710 ...

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