Sharp WF-2000W Service Manual Download Page 16

PRICE

RANK

DESCRIPTION

NO.

PART CODE

NO.

PARTS CODE

PRICE

RANK

DESCRIPTION

WF-2000W

– 1 –

INTEGRATED CIRCUITS

IC101

VHILA1186N/-1

J

AE

FM Front End,LA1186N

IC102

VHILA1805//-1

J

AM

FM/AM IF MPX.,LA1805

IC201

VHITA8189N/-1

J

AM

Pre Amp.,TA8189N

IC202

92L2351-177001

J

AK

Mic Amp.,BA15218F

IC301

VHIBA3822LS-1

J

AL

Graphic Equalizer,BA3822LS

IC402

VHILA4663//-1

J

AQ Power Amp.,LA4663

IC403

92L2301-240001

J

AH

Voltage Regulator,L7808CV

IC404

92L2301-237003

J

AH

Voltage Regulator,L7809CV

TRANSISTORS

Q201,202

92L2123-009001

J

AD

Silicon,NPN,2SC2412 KR

Q203

VS2SC945AP/-1

J

AB

Silicon,NPN,2SC945 AP

Q204

92L2123-009001

J

AD

Silicon,NPN,2SC2412 KR

Q205

92L2103-109001

J

AC

Silicon,NPN,3DA8050

Q206

VSKTC3875GR-1

J

AB

Silicon,NPN,KTC3875 GR

Q208

92L2103-054003

J

AD

Silicon,PNP,SS8050

Q209,210

VS2SC945AP/-1

J

AB

Silicon,NPN,2SC945 AP

Q212

VSKTC3875GR-1

J

AB

Silicon,NPN,KTC3875 GR

Q213,214

92L2101-025001

J

AC

Silicon,PNP,SS8550

Q216~221

VSKTC3875GR-1

J

AB

Silicon,NPN,KTC3875 GR

Q401,402

92L2123-009001

J

AD

Silicon,NPN,2SC2412 KR

Q504

92L2101-025001

J

AC

Silicon,PNP,SS8550

Q505,506

92L2123-009001

J

AD

Silicon,NPN,2SC2412 KR

DIODES

D101~103

VHD1N4148//-1

J

AA

Silicon,1N4148

D201,202

VHD1N4148//-1

J

AA

Silicon,1N4148

D205

VHD1N4148//-1

J

AA

Silicon,1N4148

D207

VHD1N4148//-1

J

AA

Silicon,1N4148

D209

VHD1N4148//-1

J

AA

Silicon,1N4148

D211~219

VHD1N4148//-1

J

AA

Silicon,1N4148

D401

VHD1N4148//-1

J

AA

Silicon,1N4148

D501

VHD1N4148//-1

J

AA

Silicon,1N4148

D503

VHD1N4148//-1

J

AA

Silicon,1N4148

D601~604

92L2501-089001

J

AE

Silicon,IN5402

LD311

92L2509-067001

J

AC

LED,Red,L01-224HD

LD313

92L2509-080001

J

AF

LED,Green,L-474CGDK

LD314

92L2509-067001

J

AC

LED,Red,L01-224HD

FILTERS

BP101

92L4401-008001

J

AG Band Pass Filter

CF101

92L4403-060001

J

AD

FM IF

CF102

92L4403-061002

J

AG AM IF

TRANSFORMERS

T101

92L1111-025001

J

AE

SW1 Antenna

T102

92L1104-092001

J

AD

SW2 Antenna

T103

92L1104-099001

J

AE

MW OSC.

T104

92L1104-090001

J

AD

SW1 OSC.

T105

92L1104-089001

J

AD

SW2 OSC.

T106

92L1104-100001

J

AE

FM Detection

T107

92L1104-097001

J

AD

MW IF

T108

92L1104-038001

J

AE

FM IF

T201

92L1104-105008

J

AE

Bias OSC.

1

T601

92L5102-126001

J

BM

Power

COILS

L101

92L1104-098001

J

AE

FM OSC.

L102

92L1107-009001

J

AB

FM Tracking

L103

92L7602-006001

J

AE

MW Bar Antenna

L201,202

92L1101-161001

J

AE

47 mH

L203,204

92L1101-150038

J

AC

2.7 mH

L501

92L1101-003017

J

AC

47 mH

VARIABLE RESISTORS

VR101

92L1701-060001

J

AH

100 kohm (B),Semi-VR

[Fine Tuning]

VR102

92L1601-001001

J

AD

10 kohm (B),Semi-VR [VCO]

VR301

92L1702-008004

J

AG 50 kohms (B)

×

2,Semi-VR

[X-Bass]

VR302

92L1702-008003

J

AG 100 kohm (B)

×

2,Semi-VR

[Graphic Equalizer]

VR303

92L1702-008002

J

AG 100 kohm (B)

×

2,Semi-VR

[Graphic Equalizer]

VR304

92L1702-008006

J

AG 50 kohms (B)

×

2,Semi-VR

[Graphic Equalizer]

VR305

92L1702-008005

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 

µ

F,50V

C103

VCEAZA1CW106M J

AC

10 

µ

F,16V,Electrolytic

C104

VCKYPA1HB102K

J

AA

0.001 

µ

F,50V

C105

VCCCPU1HH8R0C J

AA

8 pF (CH),50V

C106,107

VCCCPU1HH150J

J

AA

15 pF (CH),50V

C108

VCCCPU1HH200J

J

AA

20 pF (CH),50V

C109

VCCCPU1HH5R0C J

AA

5 pF (CH),50V

C110

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C111

92L1321-001095

J

AC

330 pF (CH),50V

C112

VCCCPU1HH300J

J

AA

30 pF (CH),50V

C113

VCQYKA1HM272K J

AA

0.0027 

µ

F,50V,Mylar

C114

VCQYKA1HM472K J

AB

0.0047 

µ

F,50V,Mylar

C115

VCCCPU1HH5R0C J

AA

5 pF (CH),50V

C116~118

VCKYTV1HF223Z

J

AA

0.022 

µ

F,50V

C119

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C120

VCEAZA1CW106M J

AC

10 

µ

F,16V,Electrolytic

C121

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C122

VCKYTV1HF223Z

J

AA

0.022 

µ

F,50V

C123

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C124

VCEAZA1CW226M J

AC

22 

µ

F,16V,Electrolytic

C125,126

VCKYTV1HB822K

J

AA

0.0082 

µ

F,50V

C127~129

VCEAZA1HW106M J

AB

10 

µ

F,50V,Electrolytic

C130

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C131

VCQYKA1HM152K J

AB

0.0015 

µ

F,50V,Mylar

C132,133

VCEAZA1HW335M J

AB

3.3 

µ

F,50V,Electrolytic

C134

VCCSPU1HL471J

J

AB

470 pF,50V

C135

VCQYKA1HM822K J

AA

0.0082 

µ

F,50V,Mylar

C136

VCKYKA1HM222K J

0.0022 

µ

F,50V,Mylar

C137

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C138

VCEAZA1CW227M J

AC

220 

µ

F,16V,Electrolytic

C139

VCKZPA1HF223Z

J

AA

0.022 

µ

F,50V

C140

VCKZPA1HF104Z

J

AA

0.1 

µ

F,50V

C142

92L1321-001095

J

AC

330 pF (CH),50V

C143

VCCCPU1HH150J

J

AA

15 pF (CH),50V

C144

VCCCPU1HH100J

J

AA

10 pF (CH),50V

C201,202

VCKYTV1HB102K

J

AA

0.001 

µ

F,50V

C203~206

VCCCCTV1HH221J J

220 pF,50V

C207,208

VCEAZA1CW226M J

AC

22 

µ

F,16V,Electrolytic

C209,210

VCQYKA1HM333J

J

AB

0.033 

µ

F,50V,Mylar

C213~216

RC-EZD225AF1H

J

AB

2.2 

µ

F,50V,Electrolytic

C217,218

VCEAZA1CW106M J

AC

10 

µ

F,16V,Electrolytic

C219,220

VCKYTV1HB102K

J

AA

0.001 

µ

F,50V

C221~223

RC-EZD225AF1H

J

AB

2.2 

µ

F,50V,Electrolytic

C224

VCEAZA1CW337M J

AC

330 

µ

F,16V,Electrolytic

C225

VCEAZA1CW106M J

AC

10 

µ

F,16V,Electrolytic

C226

VCKYTV1HB152K

J

AA

0.0015 

µ

F,50V

C227

92L1323-014021

J

AB

82 pF,50V

C228

VCKYTV1HB152K

J

AA

0.0015 

µ

F,50V

C229

RC-EZD225AF1H

J

AB

2.2 

µ

F,50V,Electrolytic

C230

VCEAZA1CW476M J

AB

47 

µ

F,16V,Electrolytic

C231,232

VCKYTV1HB821K

J

AA

820 pF,50V

C233,234

VCCCTV1HH151J

J

AA

150 pF (CH),50V

C235

VCCCPU1HH181J

J

AA

180 pF (CH),50V

C236

VCEAZA1CW227M J

AC

220 

µ

F,16V,Electrolytic

C237

VCKYKA1HM222K J

0.0022 

µ

F,50V,Mylar

C238

VCQYKA1HM223K J

AB

0.022 

µ

F,50V,Mylar

C239

VCQYKA1HM102K J

AA

0.001 

µ

F,50V,Mylar

C240

VCKYKA1HM222K J

0.0022 

µ

F,50V,Mylar

C241

VCEAZA1CW107M J

AC

100 

µ

F,16V,Electrolytic

C242

VCEAZA1HW106M J

AB

10 

µ

F,50V,Electrolytic

C243

RC-EZD225AF1H

J

AB

2.2 

µ

F,50V,Electrolytic

– 1 –

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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