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Sharp WF-1100W Service Manual

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SPECIFICATIONS ............................................................................................................................................................... 1
VOLTAGE SELECTION ....................................................................................................................................................... 2
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ................................................................................................... 2
FITTING OF DIAL POINTER ............................................................................................................................................... 2
NAMES OF PARTS ............................................................................................................................................................. 3
DISASSEMBLY .................................................................................................................................................................... 4
NOTES ON SCHEMATIC DIAGRAM .................................................................................................................................. 5
TYPES OF TRANSISTOR AND LED ................................................................................................................................... 5
VOLTAGE ............................................................................................................................................................................ 5
ADJUSTMENT ..................................................................................................................................................................... 6
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ................................................................................................. 8
PARTS GUIDE / EXPLODED VIEW
General
Power source:
AC 110-127 V/220-240 V,
50/60 Hz
DC 15 V ["D" size
(UM/SUM-1, R20 or HP-2)
battery × 10]
Power
consumption:
28 W
Output power:
PMPO; 200 W (100 W +100 W)
(AC operation)
MPO (Max.); 50 W (25 W +
25 W)
(AC operation)
RMS; 25 W (12.5 W + 12.5 W)
(DC operation, 10 % T.H.D.)
Input terminal:
Mixing microphone;
600 ohms
CD/LINE; 350 mV/47 kohms
Output terminal:
Headphones; 16-50 ohms
(recommended; 32 ohms)
Dimensions:
Width; 300 mm (11-13/16")
Height; 240 mm (9-1/2")
Depth; 220 mm (8-11/16")
Weight:
3.8 kg (8.4 lbs.) without bat-
teries
Radio section
Frequency range:
FM; 88 - 108 MHz
SW1; 2.3 - 7.3 MHz
SW2; 7.3 - 22 MHz
MW; 526.5 - 1,606.5 kHz
SERVICE MANUAL
CONTENTS

SPECIFICATIONS

Frequency response:
Signal/noise ratio:
Wow and flutter:
Motor:
Bias system:
Erase system:
Type:
Speakers:
Maximum input power: 24 W
Rated input power:
Impedance:
Dimensions:
Weight:
SHARP CORPORATION
- 1 -
WF-1100W(BK)
WF-1100W(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.
Tape recorder section
60 - 12,000 Hz (Normal tape)
40 dB (TAPE 1, recording/playback)
55 dB (TAPE 2, playback)
0.15 % (WRMS)
DC 9 V electric governor
AC bias
Magnet erase
Speaker section
2-way type
12 cm (4-3/4") free-edge speaker × 2
5 cm (2") tweeter × 2
12.5 W
8 ohms
Width; 235 mm (9-1/4")
Height; 262 mm (10-5/16")
Depth; 220 mm (8-11/16")
1.8 kg (4.0 lbs.)/each
Specifications for this model are subject to change without
prior notice.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
WF-1100W
No. S8953WF1100W/
Page

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  Summary of Contents for Sharp WF-1100W

  • Page 1: Table Of Contents

    WF-1100W SERVICE MANUAL No. S8953WF1100W/ WF-1100W(BK) WF-1100W(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 ................................1 VOLTAGE SELECTION ............................... 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR ....................
  • Page 2: Voltage Selection

    WF-1100W FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. VOLTAGE SELECTION Before operating the unit on mains, check the preset voltage. If the voltage is different from your local voltage, adjust the voltage as follows: Slide the AC power supply socket to the visible indication of the side of your local voltage.
  • Page 3: Names Of Parts

    WF-1100W NAMES OF PARTS 3 4 5 6 Extra Bass Control Graphic Equalizer Controls Power/(TAPE 2) Play Direction Indicators Volume Control Surround Indicator FM Stereo Indicator Fine Tuning Control Built-in Microphone Mixing Microphone Socket Headphone Socket Function Selector Switch (TAPE 1) Cassette Compartment...
  • Page 4: Disassembly

    WF-1100W DISASSEMBLY Fine Tuning PWB Volume Graphic Caution on Disassembly Equalizer PWB (B1)x1 Follow the below-mentioned notes when disassembling Front Cabinet the unit and reassembling it, to keep it safe and ensure Washer excellent performance: 1. Take cassette tape out of the unit.
  • Page 5: Notes On Schematic Diagram

    WF-1100W NOTES ON SCHEMATIC DIAGRAM • Resistor: To differentiate the units of resistors, The symbol as K and REF. NO. DESCRIPTION POSITION M are used: the symbol K means 1000 ohm and the symbol BAND SELECTOR M means 1000 kohm and the resistor without any symbol is an ohm resistor.
  • Page 6: Adjustment

    WF-1100W 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 50 g Specified Value/ Instrument Test Stage...
  • Page 7 WF-1100W 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 TRACKING fL TRACKING fL FM DETECTION MAIN PWB...
  • Page 8: Schematic Diagram / Wiring Side Of P.w.board

    WF-1100W 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 MONO FM STEREO 5.0V 1 2 3 RF AMP IC1 TA7358AP 0.7V 0.022 3P(CH) FM/SW 0.022 0.0047...
  • Page 9 WF-1100W SW1 BAND IC202/ TRACKING TRACKING COVERAGE TRACKING IC203 LED OFF IC202 10.7V 10.7V 10.7V 10.7V 10.7V LEVEL METER DRIVER LB1403N VOLTAGE LED ON 2.1V 2.1V 2.1V 2.1V 2.1V 2.4V SW2 BAND MW BAND FM BAND TRACKING COVERAGE COVERAGE COVERAGE...
  • Page 10 WF-1100W R212 CNS103 IC201 M501 SW501A SW502 SW503 TAPE TAPE2 TAPE1 TAPE2 MOTOR MAIN MAIN PLAY VR202 R211 VR202 R207 X-BASS C219 100Hz C217 C218 VR203 TAPE 1 500Hz VR203 C215 ERASE RECORD/PLAYBACK C214 HERAD HEAD VR204 2kHz VR204 C209...
  • Page 11 WF-1100W FROM POWER PWB CNS601 R176 P12 5-F CNP601 Q153 R433 R435 C510 C433 R436 R438 C424 MIC151 IC402 BUILT-IN C156 R434 Q152 Q404 MICROPHONE C426 E C B E C B D162 R442 R431 Q403 C420 D154 D161 R151...
  • Page 12 WF-1100W 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-1100W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK INTEGRATED CIRCUITS VARIABLE CAPACITORS VHITA7358AP-1 AG FM Front End,TA7358AP TC5,6 RTO-H1003SJZZ AG Trimmer,5 pF VHILA1805//-1 AM FM/AM IF MPX.,LA1805 TC7,8 RTO-H1001BGZZ Trimmer,10 pF IC101 VHITA8189N/-1 AM Record/Playback Amp.,TA8189N RVC-Z0001BGZZ...
  • Page 15 WF-1100W PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK AA 0.0056 µF,50V,Mylar C215,216 VCQYKA1HM562K J R152 VRD-ST2CD561J AA 560 ohms,1/6W AA 0.47 µF,50V,Electrolytic C217,218 RC-GZA474AF1H R153 VRD-ST2CD224J AA 220 kohms,1/6W AB 0.039 µF,50V,Mylar C219,220 VCQYKA1HM393K J R154 VRD-ST2CD561J AA 560 ohms,1/6W AB 4.7 µF,50V,Electrolytic...
  • Page 16 WF-1100W PRICE PRICE PARTS CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK SO351 QSOCJ0001BGZZ Jack,CD/LINE Input NGERK0001BGZZ J Dial Drum SO601 QSOCA0002SJZZ AK AC Inlet Socket PSHEP0001BGSA Sheet,LED,Left SP401,402 VSP0012PBF88A Speaker,Woofer PSHEP0002BGSA Sheet,LED,Right SP403,404 VSP0050TBM98R Speaker,Tweeter JKNBZ0001BGSA Knob,Fine Tuning QSW-S9001BGZZ Switch,Slide Type...
  • Page 17 WF-1100W PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PARTS CODE RANK RANK SPEAKER BOX PARTS CCAB-110LBG01K J Front Panel,Ass’y,Left [BK] CCAB-110LBG01S J Front Panel,Ass’y,Left [S] CCAB-110RBG01K J Front Panel,Ass’y,Right [BK] CCAB-110RBG01S J Front Panel,Ass’y,Right [S] GCABD1001BGSA J Speaker Box,Left [S] GCABD1001BGSB J...
  • Page 18 WF-1100W 608x4 SW601 601x3 SO601 T601 246x2 607x2 PWB-A6 PWB-A7 PWB-A5 601x2 601x2 605x5 PWB-A2 Silicon Grease MIC151 601x2 PWB-A8 Silicon Grease VR401 PWB-A3 PWB-A1 IC502 602x2 601x2 IC501 605x6 IC402 602x2 214x2 TAPE MECHANISM PWB-A4 226 227 234x2 With VR401...
  • Page 19 WF-1100W SP403(L-CH) 702x5 SP404(R-CH) 303(LEFT) 304(RIGHT) 301(LEFT) 701x2 302(RIGHT) 701x4 SP401(L-CH) SP402(R-CH) TWEETER SP403(L-CH) SP404(R-CH) GRAY C431,432 C431,432 BLACK 2.2µF, 50V, Electrolytic(N.P.) 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-1100W © 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.