Sharp WF-1100W Service Manual

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