Sharp WF-1000W Service Manual

Portable radio cassette recorder

Service manual (20 pages)

SPECIFICATIONS ............................................................................................................................................................... 2

VOLTAGE SELECTION ....................................................................................................................................................... 2

AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................... 2

NAMES OF PARTS ............................................................................................................................................................. 3

FITTING OF DIAL POINTER ............................................................................................................................................... 4

DISASSEMBLY .................................................................................................................................................................... 5

ADJUSTMENT ..................................................................................................................................................................... 6

NOTES ON SCHEMATIC DIAGRAM .................................................................................................................................. 7

TYPES OF TRANSISTOR AND LED ................................................................................................................................... 7

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ................................................................................................. 8

PARTS GUIDE / EXPLODED VIEW

SERVICE MANUAL

CONTENTS

SHARP CORPORATION

- 1 -

WF-1000W(BK)

WF-1000W(S)

• In the interests of user-safety the set should be restored to its original

condition and only parts identical to those specified should be used.

This document has been published to be used

for after sales service only.

The contents are subject to change without notice.

WF-1000W

No. S0957WF1000WK

Page

Table of Contents

Summary of Contents for Sharp WF-1000W

Page 1: Table Of Contents
WF-1000W SERVICE MANUAL No. S0957WF1000WK WF-1000W(BK) WF-1000W(S) • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified should be used. CONTENTS Page SPECIFICATIONS ................................2 VOLTAGE SELECTION ............................... 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ....................
Page 2: Specifications
WF-1000W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. SPECIFICATIONS General Radio section Frequency range: FM; 88 - 108 MHz Power source: AC 110-127 V/220-240 V, SW1; 2.3 - 7.3 MHz 50/60 Hz DC 15 V ["D"...
Page 3: Names Of Parts
WF-1000W NAMES OF PARTS Graphic Equalizer Controls Power Indicator Volume Control FM Stereo Indicator Fine Tuning Control Built-in Microphone Mixing Microphone Socket Headphone Socket Function Selector Switch (TAPE 1) Cassette Compartment Tuning Control Extra Bass Switch Band Selector Switch Dubbing Speed/Built-in Microphone/FM Mode Switch...
Page 4: Fitting Of Dial Pointer
WF-1000W FITTING OF DIAL POINTER 1. Remove the Main PWB, the Graphic Equalizer PWB, the "0" Point Volume PWB and the Fine Tuning PWB. (See Figure 5-2 in the "Disassembly" on page 5.) 2. Remove the dial pointer guide and PWB.
Page 5: Disassembly
WF-1000W DISASSEMBLY Fine Tuning PWB Volume Caution on Disassembly Graphic Equalizer PWB Follow the below-mentioned notes when disassembling (B1)x1 the unit and reassembling it, to keep it safe and ensure Front Cabinet Washer excellent performance: 1. Take cassette tape out of the unit.
Page 6: Adjustment
WF-1000W ADJUSTMENT MECHANISM SECTION TUNER SECTION • Driving Force Check fL: Low-range frequency fH: High-renge frequency Torque Meter Specified Value • FM IF/RF Play: TW-2412 Tape 1: Over 60 g Tape 2: Over 60 g Specified Value/ Instrument Test Stage...
Page 7: Notes On Schematic Diagram
WF-1000W SW103 SW401 FM TRACKING TRACKING fH SW1 BAND TRACKING fH COVERAGE MW BAND COVERAGE fH FM BAND SW2 BAND COVERAGE COVERAGE MW BAND COVERAGE fL TRACKING fL TRACKING FM IF AM IF CNP103 TRACKING fL IC502 IC501 TAPE SPEED...
Page 8: Schematic Diagram / Wiring Side Of P.w.board
WF-1000W RECORD SIGNAL FM SIGNAL PLAYBACK SIGNAL MW/SW1/SW2 SIGNAL SW103-B IC1 TA7358AP FM BAND PASS FM MODE FILTER FM FRONT END 820K 330K FM STEREO FM MONO IC1 TA7358AP 5.0V 1 2 3 RF AMP 0.7V 0.022 3P(CH) FM/SW 0.022 0.0047...
Page 9 WF-1000W IC2 : VOLTAGE SW1 BAND TRACKING TRACKING COVERAGE TRACKING 1.6V 1.6V 5.8V 0.2V 1.6V 10.7V 2.4V 2.4V 5.1V 0.9V SW2 BAND MW BAND FM BAND MW/SW1/SW2 1.7V 1.7V 6.5V 1.4V 1.7V 10.7V 2.4V 2.4V 6.4V 0.9V TRACKING COVERAGE COVERAGE COVERAGE 1.1V...
Page 10: Graphic Equalizer
WF-1000W CNS103 R212 IC201 R209 R210 C219 SW501A SW502 M501 SW503 C217 TAPE2 TAPE1 TAPE C218 TAPE2 MAIN MAIN MOTOR VR203 PLAY VR203 500Hz C215 C214 VR204 2kHz VR204 C209 C211 C206 VR205 VR205 10kHz TAPE 1 C222 C205 C207...
Page 11 WF-1000W FROM POWER PWB CNS601 P12 5-F CNP601 MIC151 BUILT-IN Q153 MICROPHONE R433 R435 C510 C433 R436 C424 R438 IC402 R434 C156 Q152 Q404 C426 E C B E C B D162 R442 R431 Q403 C420 D154 R151 J151 R515...
Page 12 WF-1000W SO601 AC POWER INLET SOCKET TERMINAL A AC110V-127V/ PWB-A5 AC220V-240V, (251) 50/60Hz SW601 (250) VOLTAGE SELECTOR AC220V-240V AC110V-127V BATTERYS DC15V ["D" SIZE (UM / SUM-1, R20 or HP2) battery x 10] (251) T601 POWER TRANSFORMER (237) TERMINAL B PWB-A6...
Page 13 “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
Page 14 WF-1000W PRICE PRICE DESCRIPTION PARTS CODE PARTS CODE DESCRIPTION RANK RANK INTEGRATED CIRCUITS CAPACITORS VHITA7358AP-1 AG FM Front End,TA7358AP VCCCPU1HH5R0J J AA 5 pF (CH),50V VHILA1805//-1 AM FM/AM IF MPX.,LA1805 VCCCPU1HH240J AA 24 pF (CH),50V AA 0.001 µF,50V IC101 VHITA8189N/-1 AM Record/Playback Amp.,TA8189N...
Page 15 WF-1000W PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK C306 VCKYPA1HB391K AA 390 pF,50V R203,204 VRD-ST2CD222J AA 2.2 kohms,1/6W C307 VCKYPA1HB151K AA 150 pF,50V R205,206 VRD-ST2CD103J AA 10 kohm,1/6W AA 0.001 µF,50V,Mylar C413,414 VCQYKA1HM102K J R209,210 VRD-ST2CD104J AA 100 kohm,1/6W AB 0.15 µF,50V,Mylar...
Page 16 WF-1000W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK TSPC-0008BGZZ Label,Specifications [S] CABINET PARTS [For Malaysia/Asia Middle East/ Africa/Syria] GCABA1002BGSA J Front Cabinet [S] TSPC-0009BGZZ Label,Specifications [BK] GCABA1002BGSB J Front Cabinet [BK] [For Malaysia/Asia Middle East/ GFTAC0003BGSA Cassette Holder [Tape 1] [S]...
Page 17 WF-1000W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK TLABB0001BGZZ Label,Japan [Syria Only] TLABB0002BGZZ Label,Japan [Syria Only] TLABJ0001BGZZ Label,Orisin TLABJ0002BGZZ Label,Orijin TLABN0005BGZZ Label,Serial No. Bar Code [S] [Asia Middle East/Africa Only] TLABN0006BGZZ Label,Serial No. Bar Code [BK] [Asia Middle East/Africa Only]...
Page 18 WF-1000W 608x4 SW601 601x3 SO601 T601 246x2 607x2 PWB-A7 PWB-A9 PWB-A6 601x2 PWB-A5 601x2 605x5 PWB-A2 MIC151 IC402 601x2 602x2 PWB-A8 Silicon Grease VR401 PWB-A3 PWB-A1 IC502 601x2 IC501 214x2 605x6 602x2 TAPE MECHANISM PWB-A4 226 227 234x2 With VR401...
Page 19 WF-1000W SP403(L-CH) 702x5 303(LEFT) SP404(R-CH) 301(LEFT) 304(RIGHT) 302(RIGHT) 701x4 SP401(L-CH) SP402(R-CH) TWEETER SP403(L-CH) SP404(R-CH) WHITE BLACK BLACK TWEETER SP403(L-CH) SP404(R-CH) WOOFER SP401(L-CH) SP402(R-CH) WOOFER SP401(L-CH) SP402(R-CH) Figure 6 SPEAKER EXPLODED VIEW – 6 –...
Page 20 WF-1000W © COPYRIGHT 1999 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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Sharp WF-1000W Service Manual

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