Sharp WF-2100BK, Service Manual

Page 1: ...9 SCHEMATIC DIAGRAM WIRING SIDE OF P W BOARD 10 PARTS GUIDE EXPLODED VIEW SERVICE MANUAL SHARP CORPORATION No S2213WF2100WS 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: ...der 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 7 5 cm 3 woofer 1 9 cm 3 9 16 woofer 1 Super tweeter 1 5 cm 2 tweeter 1 Maximum input power 25 W Rated input power 12 5 W Impedance 8 ohms Dimen...

Page 3: ...nt 13 FM Stereo Indicator 14 Band Selector Switch 15 Mixing Microphone Socket 16 TAPE 2 Cassette Compartment 17 TAPE 1 Record Button 18 TAPE 1 Play Button 19 TAPE 1 Rewind Button 20 TAPE 1 Fast Forward Button 21 TAPE 1 Stop Eject Button 22 TAPE 1 Pause Button 23 TAPE 2 Reverse Mode Switch 24 TAPE 2 Play Button 25 TAPE 2 Fast Wind Buttons 26 TAPE 2 Stop Eject Button 27 TAPE 2 Direction Switch 28 FM...

Page 4: ...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 Cabinet A1 ...

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: ...and ground of IC102 Adjustment Point VCO Frequency Note After preparing the test circuit shown in Fig 6 connect the Pin 13 Pin 21 and ground of the IC102 with the test circuit and measure the value Specified 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 Ant...

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: ...TAPE 2 FF REW ON OFF SW101 BAND SELECTOR SW2 SW1 MW FM SW202 BEAT CANCEL A B SW203 DUBBING SPEED MIC HIGH NORMAL MIC FM MODE FM STEREO FM MONO SW401 SURROUND ON OFF SW501 FUNCTION SELECTOR CD LINE RADIO POWER 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 T...

Page 9: ... 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 3 58 V 3 58 V 3 58 V 0 V 3 58 V 3 58 V 3 58 V 7 1 V IC401 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 V 0 V 0 V Q301 E C PIN NO VOLTAGE B 0 V 0 V 0 V Q302 ...

Page 10: ... SS8550 R280 56K D215 1N4148 R277 33K D216 1N4148 R282 10K D218 1N4148 C222 2 2 50 C220 0 001 R214 470K C270 0 015 C218 10 16 R247 390 R212 1K C253 0 0022 ML R210 180K C267 330P C230 47 16 R221 1M C221 2 2 50 C219 0 001 R257 150 R220 10K R213 470K R244 390 C271 0 015 C217 10 16 R209 180K R211 1K C246 0 0022 ML R219 12K C252 47 16 C213 2 2 50 C223 2 2 50 C224 330 16 Q204 KTC3875 GR C261 82P C228 0 ...

Page 11: ...C321 1 50 C318 0 0056 C317 0 33 50 C313 0 1 ML C310 820P CH C309 0 018 C324 4 7 50 C306 1 50 R306 2 2K R310 1K R304 2 2K C304 0 022 LD314 L01 224HD SW401 SURROUND LD311 L01 224HD LD312 L01 224HD R333 1K LD313 R319 330 R302 10K Q302 KTC3875 GR IC303 LB1403N METER DRIVER IC302 LB1403N METER DRIVER R313 10K R314 120 Q301 KTC3875 GR C326 0 001 C329 10 16 C328 10 16 R315 12K R316 10K R320 1K R321 1K R3...

Page 12: ...BL YL RD VL GR WH RD OR PLAYBACK HEAD SW1 DIRECTION HEAD FLEXIBLE PWB B A 1 2 3 WH BK RD WH BK RD 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 TAPE 2 GR BK BK WH RD 9 8 7 6 5 4 3 2 1 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE ...

Page 13: ... R299 C514 C416 C251 SW501 FUNCTION SELECTOR C430 R429 JK401 HEADPHONES C254 C269 C255 Q203 SW203 DUBBING SPEED MIC FM MODE D207 R298 C257 R224 R222 R226 R225 R223 R255 R258 Q210 C229 C256 C236 C217 C252 CON502 Q205 R519 R513 R522 R523 13 12 11 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 C245 C280 D212 C263 C244 CN204 1 7 1 2 3 IC401 C409 C407 C...

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: ...1601 001001 J AD 10 kohm B Semi VR VCO VR301 92L1702 008004 J 50 kohms B 2 Semi VR X Bass VR302 92L1702 008003 J 100 kohm B 2 Semi VR Graphic Equalizer VR303 92L1702 008002 J 100 kohm B 2 Semi VR Graphic Equalizer VR304 92L1702 008001 J 50 kohms B 2 Semi VR Graphic Equalizer VR305 92L1702 008005 J 100 kohm B 2 Semi VR Graphic Equalizer VR401 92L1701 059002 J 50 kohms B 2 Semi VR Volume VR501 92L16...

Page 17: ...25V C505 506 VCEAZA1CW476M J AB 47 µF 16V Electrolytic C508 VCKYTV1EF223Z J AA 0 022 µF 25V C509 VCEAZA1CW107M J AC 100 µF 16V Electrolytic C511 512 VCEAZA1CW476M J AB 47 µF 16V Electrolytic C514 515 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C516 VCTYPA1EF104Z J AA 0 1 µF 25V C517 518 VCQYKA1HM272K J AA 0 0027 µF 50V Mylar C601 604 VCKZPA1HF223Z J AA 0 022 µF 50V RESISTORS R101 VRD ST2CD101J J AA 1...

Page 18: ...03J J AA 10 kohm 1 6W R524 VRD ST2CD472J J AA 4 7 kohms 1 6W OTHER CIRCUITRY PARTS CN101 92L3421 180003 J Connector Ass y 3Pin CN201 92L3421 882001 J Connector Ass y 3Pin CN202 92L3421 879001 J Connector Ass y 5Pin CN203 92L3461 000076 J Flat Wire 6Pin CN204 92L3461 000078 J Flat Wire 7Pin CN205A B 92L3421 887002 J Connector Ass y 7 7Pin CN206 92L3471 000021 J Connector Ass y 2Pin CN501 92L3421 41...

Page 19: ...01 J Switch Leaf Type Tape 2 Play 245 16 SW6 92L4110 011001 J Switch Leaf Type Tape 2 FF REW 246 92L21521000101 J Cover AC Inlet 247 92L22621000101 J Bracket Gear 248 92L25821000101 J Holder Function Knob 249 92L29021000101 J Dial Whell 250 92L29021000201 J Gear A 251 92L29021000301 J Gear B 252 92L29021000401 J Gear C 253 92L30021000102 J Nylon Band 254 92L375QT800101 J Holder Mic 255 92L42921000...

Page 20: ...01 J Label Feature 92L57921000202 J Label Feature 92L58021000102 J Operation Manual Except for Russian 92L58021000103 J Operation Manual For Russian 92L59021000101 J Warrarty Card For Philippines Only P W B ASSEMBLY Not Replacement Item PWB A1 92L370101G040A J Main PWB Only PWB A2 92L370101G040B J Graphic Equalizer PWB Only PWB A3 92L370101G040C J Fine Tuning PWB Only PWB A4 92L370101G040E J Batte...

Page 21: ...x2 606x5 PWB A2 606x2 615x2 610x2 247 233 248 232 234 228 Silicon Grease 245 1 245 2 245 3 245 4 245 8 245 10 M1 245 11 SW1 245 12 SW2 245 13 SW3 245 15 SW5 245 16 SW6 245 14 SW4 245 9 245 5 245 6 255 217 218 219 220 221 222 225 223224 215 214 216 245 205 204 213 206 209 235 With VR401 259 264 210 259 230 211 212 252 PWB A3 IC402 IC404 L103 IC403 VR401 231 613 613 239 240 246 SW601 SO601 T601 Sili...

Page 22: ...SP8 R CH SUPER TWEETER SP7 L CH SP8 R CH SUPER TWEETER 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 Capacitor 1 µF Electrolytic N P Capacitor 1 µF Electrolytic N P ...

Page 23: ...WF 2100W 8 M E M O ...

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 ...