Sharp WF-1100W User Manual

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

Sharp WF-1100W Specifications

General

Type	Cassette Player
Brand	Sharp
Model	WF-1100W
Power Source	AC/Battery
Speakers	2 x 8 cm
Headphones	3.5 mm jack
Color	White

Summary

Specifications

General Specifications

Details power source, consumption, output, input/output terminals, dimensions, and weight.

Radio Section Specifications

Covers frequency range for FM, SW1, SW2, and MW bands.

Tape Recorder Section Specifications

Lists frequency response, signal/noise, wow/flutter, motor, bias, and erase systems.

Speaker Section Specifications

Details speaker type, impedance, power ratings, dimensions, and weight.

Voltage Selection

AC Power Supply Cord and Plug Adaptor

Identifies AC power supply cords and plug adaptors used with the unit.

Fitting of Dial Pointer

Names of Parts

Disassembly

Main Unit Disassembly

Step-by-step procedure for disassembling the main unit components.

Speaker Unit Disassembly

Step-by-step procedure for disassembling the speaker unit.

Notes on Schematic Diagram

Transistor and LED Types

Identifies common transistor and LED types used in the device.

Voltage Measurements

IC2 (LA1805) Voltage Data

Voltage readings for IC2 (LA1805) across different operating modes.

IC101 (TA8189N) Voltage Data

Voltage readings for IC101 (TA8189N) across different operating modes.

Adjustment Procedures

Mechanism Section Adjustments

Procedures for adjusting mechanism-related functions like tape speed and torque.

Tuner Section Adjustments

Procedures for tuning FM and AM frequencies and intermediate frequencies.

Deck Section Adjustments

Procedures for adjusting bias, beat cancel, and playback sensitivity.

VCO Frequency Adjustment

Procedure for measuring and adjusting the Voltage Controlled Oscillator frequency.

Parts Guide Overview

Ordering Replacement Parts

Instructions and information required for ordering replacement parts.

Capacitor and Resistor Code Explanation

Explains the coding system used for capacitor and resistor part numbers.

Parts List - Electronic Components (Part 1)

Integrated Circuits, Transistors, Diodes

Lists part numbers and descriptions for integrated circuits, transistors, and diodes.

Filters, Coils, Variable Components

Lists part numbers and descriptions for filters, coils, and variable components.

Parts List - Electronic Components (Part 2)

Capacitors and Resistors

Lists part numbers and descriptions for capacitors and resistors.

Other Circuitry Parts

Lists part numbers and descriptions for miscellaneous circuitry parts.

Parts List - Physical Components

Cabinet Parts, Accessories, PWB Assemblies

Lists cabinet parts, accessories, packing parts, and PWB assemblies.

Parts List - Speaker Box Components