Sharp WF-2000W Service Manual Download

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WF-2000W

Figure 5 CABINET EXPLODED VIEW

– 5 –

Note: Only the unit and consumable parts are supplied as parts supply for the Tape mechanism.

253

613x2

228

Silicon
Grease

IC402

IC403

613

Silicon
Grease

265

606x3

607x3

607x2

202

257

601

614

607

229

208

203

250

249

226x2

603

614

238x2

241x2

PWB-A5

PWB-A4

T601

260

602

PWB-B

616

605x4

612x4

605x2

266

606

255

201

263

236

254

243

244

MIC1

207

604

602

611

242

605

256

606

613x2

605x2

PWB-A1

262x2

606x5

PWB-A2

606x2

L103

251

247

233

248

232

234

TAPE
MECHANISM

255

606

217

218

219

220

221

222

225

224

215

214

245

205

204

213

610x2

206

252

209

259

264

210

259

212

PWB-A3

VR401

239

240

267

231

241x3

IC404

613

245-7,

245-1, 245-2, 245-3, 245-4, 245-5,

245-8, 245-9,

245-12(SW2), 245-13(SW3), 245-14(SW4),
245-15(SW5), 245-16(SW6)

245-10(M1),

245-6,

235

With VR401

230

211

608

Summary of Contents for WF-2000W

Page 1: ...9 SCHEMATIC DIAGRAM WIRING SIDE OF P W BOARD 10 PARTS GUIDE EXPLODED VIEW SERVICE MANUAL SHARP CORPORATION No S4223WF2000WS This document has been published to be used for after sales service only The contents are subject to change without notice In the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used PORTABLE STEREO ...

Page 2: ...er section Frequency response 60 12 000 Hz Normal tape Signal noise ratio 40 dB TAPE 1 recording playback 50 dB TAPE 2 playback Wow and flutter 0 3 WRMS Motor DC 9 V electric governor Bias system AC bias Erase system Magnet erase Speaker section Speakers 9 cm 3 9 16 woofer 1 7 5 cm 3 woofer 1 5 cm 2 tweeter 1 Super tweeter 1 Maximum input power 25 W Rated input power 12 5 W Impedance 8 ohms Dimens...

Page 3: ...Stereo Indicator 13 Band Selector Switch 14 Mixing Microphone Socket 15 TAPE 2 Cassette Compartment 16 TAPE 1 Record Button 17 TAPE 1 Play Button 18 TAPE 1 Rewind Button 19 TAPE 1 Fast Forward Button 20 TAPE 1 Stop Eject Button 21 TAPE 1 Pause Button 22 TAPE 2 Play Button 23 TAPE 2 Rewind Button 24 TAPE 2 Fast Forward Button 25 TAPE 2 Stop Eject Button 26 FM SW Telescopic Rod Aerial 27 CD Line Inp...

Page 4: ...A3 x1 2 Main PWB 1 Knob B1 x1 4 2 Graphic Equalizer 2 Screw B2 x7 PWB Fine Tuning 3 Socket B3 x4 PWB 4 Mic B4 x1 3 Tape Mechanism 1 Open the cassette holder 4 2 2 Screw C1 x5 4 Power PWB 1 Screw D1 x1 4 3 Figure 4 4 Figure 4 2 Figure 4 1 Figure 4 3 STEP REMOVAL PROCEDURE FIGURE 1 Woofer 1 Screw A1 x5 4 4 2 Front Panel A2 x1 3 Screw A3 x8 2 Tweeter 1 Screw B1 x2 4 4 MAIN UNIT SPEAKER UNIT Front Cab...

Page 5: ...ews A1 x 2 pcs the recording playback head can be removed 2 Move the hooks A2 x 2 pcs toward the center position as shown in Fig 5 1 and then lift the erase head How to remove the playback head TAPE 2 See Fig 5 2 1 When you remove the screws B1 x 2 pcs the playback head can be removed How to remove the pinch roller TAPE 1 2 See Fig 5 3 1 Carefully bend the pinch roller pawl in the direction of the...

Page 6: ... Value Adjusting Point Test Stage Instrument Connection Test Stage Specified Value Adjusting Point Instrument Connection AM IF T107 Input Antenna Output Pin 9 of IC102 MW Band fL T103 Input Antenna Coverage fH TC3 Output Headphones Socket MW Tracking fL 600 kHz L103 Load resistance 32 ohms fH 1 400 kHz TC4 SW1 Band fL 2 3 MHz T104 Coverage fH 7 3 MHz CT102 SW1 fL 2 6 MHz T101 Tracking fH 6 MHz CT1...

Page 7: ...RACKING SW2 TRACKING MW TRACKING fL MW TRACKING fH fL fH fH fL SW1 TRACKING MAIN PWB fH fL FM BAND COVERAGE MW BAND COVERAGE fL MW BAND COVERAGE fH SW1 BAND COVERAGE VR102 IC102 T106 T105 T103 T102 T101 T104 TC2 TC1 TC3 TC4 L102 L101 L103 T107 T108 AM IF FM IF 13 21 9 MAIN PWB SW202 T201 VR501 BIAS OSC TAPE SPEED ...

Page 8: ...OR CD LINE RADIO TAPE STAND BY ON SW601 VOLTAGE SELECTOR 110 127 V 220 240 V REF NO DESCRIPTION POSITION FITTING OF DIAL POINTER A B C Figure 8 1 1 Remove the Main PWB the Graphic Equalizer PWB and the Fine Tuning PWB See Figure 4 2 in the Disassem bly on page 4 2 Remove the dial pointer guide and PWB 3 Insert the dial pointer from lead it under hang it on the tuner gear and then pass it through 4...

Page 9: ...13 0 85 V 14 0 V 15 1 28 V 16 1 83 V 17 1 45 V 18 6 6 V 19 4 6 V 20 1 37 V 21 1 28 V 22 1 28 V 23 0 V 24 0 V IC201 9 8 7 6 5 4 3 2 PIN NO VOLTAGE 1 14 4 V 0 V 0 V 0 V 4 53 V 0 V 15 V 15 V 6 86 V 10 0 V 11 6 86 V 12 6 85 V 13 0 V 14 6 85 V IC402 9 8 7 6 5 4 3 2 PIN NO VOLTAGE 1 15 V 0 V 7 99 V IC403 3 2 PIN NO VOLTAGE 1 15 V 0 V 8 99 V IC404 3 2 PIN NO VOLTAGE B 0 7 V 0 V 0 V Q201 E C PIN NO VOLTAG...

Page 10: ... D217 1N4148 R277 33K D215 1N4148 D216 1N4148 R282 10K C288 330 16 R280 47K Q213 SS8550 R279 150 R227 10K R226 10K C262 100 16 R512 10K R511 10K C508 0 022 R514 10K C509 100 16 Q506 2SC2412 KR Q505 2SC2412 KR Q504 SS8550 R510 100K R509 330 R 3 VR501 500 B R232 2 2K R217 100K R215 1 2K R216 1 2K R218 100K C292 0 0027 R224 47K R222 8 2K C225 10 16 R215 1 2K R253 22K D214 1N4148 R228 2 2K L204 2 7 mH...

Page 11: ... R304 2 2K R306 2 2K C304 0 022 R310 1K C306 1 50 C302 1 50 R308 1K C324 4 7 50 R318 1K C310 820P C309 0 018 C314 0 0033 C313 0 1 ML C317 0 33 50 C321 0 47 50 C318 0 0056 C322 0 01 VR305 B 100K B 10 kHz VR304 B 50K B 300 Hz VR303 B 100K B 500 Hz VR302 B 100K B 1 kHz VR301 B 50K B 5 kHz VR305 A 100K B 10 kHz VR304 A 50K B 300 Hz VR303 A 100K B 500 Hz VR302 A 100K B 1 kHz VR301 A 50K B 5 kHz C319 0 ...

Page 12: ...OR OR YL YL M1 TAPE MOTOR SW5 TAPE 2 PLAY SW2 TAPE 1 PLAY SW3 TAPE 1 FF REW SW4 TAPE 1 REC SW6 TAPE 2 FF REW A B 5 4 3 2 1 BK RD GR WH BK ERASE HERAD RECORD PLAYBACK HEAD TAPE 1 GR BK BK WH RD 258 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK CN202 CN502 GRAPHIC EQUALIZER PWB A2 FINE TUNING PWB A3 FINE TUNING A B VOLUME A B B A B A...

Page 13: ...27 IC402 IC404 IC403 1 7 1 7 C423 D213 D205 D207 R298 C514 C416 SW501 FUNCTION SELECTOR C430 R429 JK401 HEADPHONES C254 C255 Q203 SW203 DUBBING SPEED MIC FM MODE R299 C257 C251 R222 R224 R226 R225 R223 R415 R285 R258 R255 Q210 C229 C256 C236 C217 C252 CON502 Q205 10 9 8 7 6 5 4 3 2 1 R105 C136 C127 C124 C103 C128 C133 D103 C101 C104 C102 R102 T102 CN206 C242 D501 D212 C263 R442 C436 C244 C280 C245...

Page 14: ...BK RD RD SW601 VOLTAGE SELECTOR AC 220 240 V AC 110 127 V SO601 AC INLET SOCKET 241 241 241 241 241 CON501 FROM MAIN PWB P13 12 A BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK POWER PWB B BATTERY B PWB A5 BATTERY A PWB A4 T601 POWER TRANSFORMER AC POWER SUPPLY CORD AC 110 127 V 220 240 V 50 60 Hz ...

Page 15: ...wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Ca...

Page 16: ...02 008005 J AG 100 kohm B 2 Semi VR Graphic Equalizer VR401 92L1701 059002 J AL 50 kohms B 2 Semi VR Volume VR501 92L1601 001007 J AD 500 ohms B Semi VR Tape Speed VARIABLE CAPACITORS CT101 104 92L1341 007001 J AE Trimmer 10 pF VC1 4 92L1340 003001 J AQ Variable Capacitor with Trimmer TC1 4 VD101 92L2507 001001 J AD Silicon 1S2658 CAPACITORS C101 102 VCKYPA1HB102K J AA 0 001 µF 50V C103 VCEAZA1CW1...

Page 17: ... kohm 1 10W R108 VRS TV2AB103J J AA 10 kohm 1 10W R109 VRD ST2CD223J J AA 22 kohms 1 6W R110 112 VRD ST2CD470J J AA 47 ohms 1 6W R113 VRD ST2CD153J J AA 15 kohms 1 6W R114 VRD ST2CD472J J AA 4 7 kohms 1 6W R115 VRD ST2CD153J J AA 15 kohms 1 6W R116 VRD ST2CD472J J AA 4 7 kohms 1 6W R117 VRD ST2CD100J J AA 10 ohm 1 6W R118 VRD ST2CD104J J AA 100 kohm 1 6W R119 VRD ST2CD153J J AA 15 kohms 1 6W R120 ...

Page 18: ... Type Band Selector SW202 92L4103 025001 J AD Switch Slide Type Beat Cancel SW203 92L4103 025002 J AE Switch Slide Type Dubbing Speed Mic FM Mode SW401 92L4104 002001 J AF Switch Push Type X Bass SW501 92L4103 025003 J AF Switch Slide Type Function Selector 1 SW601 92L4106 011001 J AH Switch Slide Type Voltage Selector CABINET PARTS 201 92L20021000102 J AY Front Cabinet WF 2000W S 201 92L200210001...

Page 19: ... AA Screw ø3 10mm 607 92L61030041410 J AB Screw ø3 14mm 608 92L61230010610 J AA Screw ø3 6mm 610 92L61226010810 J AA Screw ø2 6 8mm 611 92L61530041410 J AB Screw ø3 14mm 612 92L61530041010 J AB Screw ø3 10mm 613 92L62030011010 J AA Screw ø3 10mm 614 92L63305503207 J AA Washer ø3 2 ø5 5 0 7mm 616 92L62030061070 J AB Screw ø3 10mm SPEAKER BOX PARTS 901 92L79921000701 J Front Cabinet Ass y Left WF 20...

Page 20: ...2 PWB A5 PWB A4 T601 260 602 PWB B 616 605x4 612x4 605x2 266 606 255 201 263 236 254 243 244 MIC1 207 604 602 611 242 605 256 606 613x2 605x2 PWB A1 262x2 606x5 PWB A2 606x2 L103 251 247 233 248 232 234 TAPE MECHANISM 255 606 217 218 219 220 221 222 225 224 215 214 245 205 204 213 610x2 206 252 209 259 264 210 259 212 PWB A3 VR401 239 240 267 231 241x3 IC404 613 245 7 245 1 245 2 245 3 245 4 245 5...

Page 21: ...K RD BK RD GY RD RD SP7 L CH SUPER SP7 L CH SP8 R CH SUPER SP7 L CH SP8 R CH SP1 L CH SP2 R CH SP1 L CH SP2 R CH TWEETER SP1 L CH SP2 R CH TWEETER SP3 L CH SP4 R CH SP3 L CH SP4 R CH WOOFER SP5 L CH SP6 R CH SP5 L CH SP6 R CH WOOFER SP3 L CH SP4 R CH WOOFER SP5 L CH SP6 R CH WOOFER 901 LEFT 902 RIGHT 903 LEFT 904 RIGHT SP8 R CH TWEETER TWEETER Capacitor 1µF N P Electrolytic C1 C2 Electrolytic ...

Page 22: ...WF 2000W 7 M E M O ...

Page 23: ...WF 2000W M E M O 8 ...

Page 24: ...ored 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 A0204 627DS HA C EX SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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