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Содержание WF-971BK

Страница 1: ...rts identical to thosespecified should be used CONTENTS Page SPECIFICATIONS 2 NAMES OF PARTS 3 FITTING OF DIAL POINTER 3 DISASSEMBLY 4 REMOVING AND REINSTALLING THE MAIN PARTS 5 ADJUSTMENT 6 SCHEMATIC DIAGRAM WIRING SIDE OF PW BOARD 8 NOTES ON SCHEMATIC DIAGRAM 12 TYPES OF TRANSISTOR AND LED 12 REPLACEMENT PARTS LIST EXPLODED VIEW SHARP CORPORATION ...

Страница 2: ... 55 dB TAPE 2 playback 0 15 DiN 45 511 DC 12 V electric governor AC bias Magnet erase Dimensions Weight Maximum input power Impedance Speaker section Speakers FM 64 108 MHz MW 526 5 1 606 5 kHz LW 148 5 283 5 kHz AC 220 230 V 50 Hz DC 12 V D size UM SUM 1 R20 or HP 2 battery x 8 0 r external DC 12Vj 30 W PMPO 60 W 30 W 30 W AC operation MPO M 20 W 10 W 10 W AC operatidn i RMS 10 W 5 W 5 W DC opera...

Страница 3: ...E 2 Play Button 24 TAPE 2 Fast Wind Bullons _ 25 TAPE 2 Stop Ejec sUllon 26 TAPE 2 Direction Switch 27 TAPE 2 ceeeette ComparbTIenL 28 FM Telescopic Rod Aerial 29 CD L in I nput Sockets 30 Beat caneet Switch 31 Surround spe ker iei minaIS 32 Speaker Terminals 33 A6 Power Input Socket 3 4 q Pow r Input g ocket 35 Battery Compartment 36 Surround Speaker 37 j F lin Range Speaker 38 Sass hertex Duct a...

Страница 4: ...gthe unil Afterservicing the unit be sure to rearrange the leads where they were before disassembling 4 Take sufficient care on static electricity of integrated circuits andother circuits when servicing SPEAKER MAIN UNIT STEP REMOVAL PROCEDURE FIGURE 1 Front Cabinet 1 Battery Compartment Rear Cabinet Lid Al xl 4 1 2 Screw A2 x4 3 Screw A3 xl 4 Screw M xl 5 Screw A5 x5 6 Socke A6 xl 7 Tip A7 xl 2 M...

Страница 5: ...e plaYbae head i YT iNote i i 1 1 1 1i I The playbaclc hea of this m pqi i s m is supplied as finished product with f1exiplE Pi V l Hi I Before removing the flexible PWB re love the solder on i the switch _ 2 After replacing the heads lliiiJ ila ri6r ing the iizirh tJ1 t l _ I adjustment be sure t j applyscrewIQck i How to remove the pinch roUetll See Fig 15 3 il Carefully bend the pinch rollerp w...

Страница 6: ... Dubbing speed Built in Microphone OFF Mic ON Bias Oscillation Frequency Specified Value Beatcancel A 100 4kHz B 94 4kHz C 104 4 kHz Playback Amplifier Sensitivity Check Test Tape Specified Value Instrument Connection MTT 118 1 3 V 3 dB Speakerterminal Load resistance 3 ohms AM IF RF Specified Instrument Test Stage Value Adjusting Point Connection IF T3 Input Antenna Output Pin 3 of IC2 MW Band fL...

Страница 7: ... m 1 I TC4 r TS TC50 0 i lloili f Y T P 8JQ fM fA I II I T 12 1 1 1 IC1 L6 r iQ2l I T1 fH fL VR1 T2j J I gV E FM DETECTION IFM IFI Ivcol fH fL FM BAND COVERAGEi FM TRACKING IMAIN PWBI Figure 7 1 ADJUSrME T POINTS ITAPE SPEEDI VR501 ICNP501 I IC401 j FigureNAoJUSTME NT PQI TS 7 ...

Страница 8: ...1 4 7150 Coo 00 HI SPEED DUBBING NORMAL SPEED OTHER SW10l RECORD PLAYBACK 1 50 100110 SW101F F I _F J p Ab l FMIF 112 CFl 3 I 1 I i 3E i HI 2 IO kll nci 1 0 02 9 2 silE sYnB p 1r1A I I IC1 MIX J TA737BP GNOr vee FM FRONT END R150 R151 MAIN PWB A1 ICNP10 i i I I i Te7 FMBANDPASS FinER BPF L CH I o GDILINE I j f t f f il R CK I wctot i BUILT IN MICROPHONE II Jl01 MIXING MICROPHONE lN4148 i M OOANTEN...

Страница 9: ...rce ia rtrr i VO TAG E VOLTAGE hPE 0 FM _ MW 13 a v rfii Ii 14 ri I 15 lV L TC6 LS l CS 16 lV n IH r V FMBA D MW V e COVERAGE 1 av 00 at ea u ea CW m4CKING rc n LW IAI ID COVERAGE icect y VOLTAG r J403 HEADPHON I i 7 8 11 12 I ...

Страница 10: ...6 0 SWS02 TAPEl SW501 TAPE2 MAIN 8 A C 8 7 246 RO 7 EB 2 5 f8 246 T601 POWgR TRANSFORMER p S0601 _KCP PC O 0 AC220V 230V t 232 o J u u BATTERIES DC 2V O size UMlSUM l R20 orHP 2jBATTEAY X 5 o o SW601 VOLTAGESELECTOR AC220V 240V ACt lQV 127V COLOR TABLE BR BROWN AD EO 0 RANGE H YELLOW BR GREEN at BLUE H VIOLET GY GRAY W WHITE ax BLACK PK PINK o F H E G 2 3 4 5 6 Figure 10 WIRING SIDE OF P W BOARD 1...

Страница 11: ...5Zl FORWARD D524 REVERSE L3 MWtLW BAR ANTENNA LW 1 Mlel01 BUILT IN WH BK ISURROUNDPWB CI ________________________________________________________________________7__ J _ _ l j Z W I D z i i g f iUl lli 1 it c _ _ r 7 8 9 10 11 12 Figure 11 WIRING SIDE OF P W BOARD 212 11 ...

Страница 12: ...014 C The indicated voltage in each section is the one measured by Digital Multimeter between such a section and the chassis with no signal given Schematic diagram and Wiring Side of P W Board forthis model are subject to change for improvement without prior notice Parts marked with Ih C J are important for maintaining the safety of the set Be sure to replace these parts with specified ones for ma...

Страница 13: ...or V S A olJly I following lntorrnatlon i j Contact y 0 u r n earestSHA RPiPartsDisttibutcfbto order 1 MOPE NUMBE8 h 2 REF No 3 PART NO h 4 DESCFlIPTION 1 1 MARK SPAREPARTS DELIVERY SECTION n II 111 i F I xplal1ation qt pacitprs esistors parts p les I c Resistors VRD Carbon film type VRS Carbon film type VRN Mefal fiIriilype VR MF dyliri riqJrtype witOlJut MWi e VR MN Cylinijrieal tYPa Vlitho tlea...

Страница 14: ...1 9FGS4741000701 J AC FM IF C129 VCQYKU1HM102K J AA 0 001 j l F 50V Mylar T2 9FGS4741000701 J AC FM Detection C130 VCKZPU1HF203Z J AA 0 02 IlF 50V T3 9FGS4731000511 J AC AM IF C131 VCQYKU1HM822K J AA 0 0082 IF 50V Mylar TB01 9FGS4857001132 J AR Power C132 VCQYKU1HM123K J AA 0 012IlF 50V Mylar C134 RC GZA107AF1A J AS 100 IF 1OV Electrolytic COILS C135 136 RC GZA226AF1C J AS 22 IF 16V Electrolytic C...

Страница 15: ...J R107 108 VRD ST2E E472J Ai 09 11 0 VRD ST2EE223J R111 112 VRD ST2E6184J R 113 H4 VRD ST2EE222J R115 116 I RD ST2EE221J RH7j 118 iVRD ST2EE22SJ R119 1201 VRD ST2EE47SJ R121 122 VRD ST2EE223J R123 124 I vRD ST2EE123 J R125 VRD ST2EE27SJ R126 I VRD ST2EE470J R127 128 VRD ST2EE101J R129r 131 VRD ST2EE103J R1S2 VRD S T2EE221J R133 vRD ST2EE1 05J R134 135 VRD ST2EE103J R136 VRD ST2EE472J R137 VRID ST2...

Страница 16: ...208 9FG1049S070180 J AA Holder Volume Knob 75 9FG19900000193 J AF Lever Sensing Right 209 9FG10295070090 J AA Holder Cassette Holder Gear 76 9FG19900000194 J AD Spring Motor Control Left 210 9FG1029S070020 J AS Lever Record 77 9FG1990000019S J AF Lever Sensing Left 211 9FG1029S070030 J AS Bracket Graphic Equalizer PWB 78 9FG19900000196 J AE Plate Slide 212 9FG1029S070040 J AS Holder Record Lever 7...

Страница 17: ...G16104301001 J AA Scr w 03x10mm 9FTG1620126060 J AA s creW 0 z 6x6 mm 9FG16201300800 J AA crew 03x8mm 9FG16202300800 J AA Screw eaxamm 9FG16204300a01 J AA screw ee arom 9FG16205302000 J AA ScreW J1J3 20mm 9 G1e JO i3 01QOO J AA screw eaxtnnm 9FfG15130101001 J AA Was er 03x 01 Ox1 mm 9FG9P04200311 J AC ScreW 02 xsmm 9FG16201301000 J AA screw eaxtomm 9ffG162013Q1 20Q J AA acrew eaxtzrrm 9FG156301016...

Страница 18: ...ELTCONNECTION 3 44 Figure 5 MECHANISM EXPL DE 5 VIEW 218 2 I K I 91f 130 M501 2 ITAPE 1 I 1 210 OO lt 04 1 25 34 29 33 J 45 p 46 37 I j 3 68 30 t _47 67 1 220 31 l r 219 d 35 SW502 1 I J jl fl I W 1 3 I r 51At 50r5 63 5 49 64 A f 213 F B H o G A E c ...

Страница 19: ...WF 911Tj 606 606 226 213 1 231 230 223 2 9 206 232 280 i j 234 610x2 242 621x2 613x2 201 F 26 wtth VR401 220 80 G 207 E H B D A c 6 5 4 3 ET EXPLODED VIEW Figur 6 CABIN 6 J 2 1 ...

Страница 20: ...6V NP SP703 L CH SP704 R CH S SURROUND WOOFER SP701 L CH SP702 R CH S WOOFER SP701 L CH SP702 R CH C701 702 D SURROUND SP703 L CH SP704 R CH A F c E B G H 2 3 4 5 6 Figure 7 SPEAKER EXPLODED VIEW IA9611 546NS IS C I Printed inJapan Writer and Editor Quality ReliabilityControl Center of Communication Audio System Group Sharp Corp SG RUS ...

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