SPECIFICATIONS ............................................................................................................................................................... 1
VOLTAGE SELECTION ....................................................................................................................................................... 2
FITTING OF DIAL POINTER ............................................................................................................................................... 2
NAMES OF PARTS ............................................................................................................................................................. 3
DISASSEMBLY .................................................................................................................................................................... 4
ADJUSTMENT ..................................................................................................................................................................... 6
NOTES ON SCHEMATIC DIAGRAM ................................................................................................................................ 18
TYPES OF TRANSISTOR AND LED................................................................................................................................. 18
VOLTAGE .......................................................................................................................................................................... 18
WAVEFORMS OF CD CIRCUIT ........................................................................................................................................ 19
TROUBLESHOOTING (CD SECTION) ............................................................................................................................. 20
FUNCTION......................................................................................................................................................................... 24
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 x 10]
Power consumption:
31 W
Output power:
PMPO; 200 W (Total)
(AC operation)
MPO; 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(monaural); 600 ohms
Output terminal:
Headphones; 16-50 ohms
(recommended; 32 ohms)
Dimensions:
Width; 300 mm (11-13/16")
Height; 262 mm (9-1/2")
Depth; 220 mm (8-11/16")
Weight:
4.1 kg (9.1 lbs.) without batteries
Compact disc player
Type:
Compact disc
Signal readout:
Non-contact, 3-beam semi-conductor laser
pickup
Audio channels:
2
Filter:
8-times oversampling digital filter
D/A converter:
1-bit D/A converter
Wow and flutter:
Unmeasurable
(less than 0.001 % W. peak)
SERVICE MANUAL
MODEL
CONTENTS
SPECIFICATIONS
SHARP CORPORATION
- 1 -
PORTABLE CD STEREO
COMPONENT SYSTEM
GX-CD1200W(BK)
GX-CD1200W(GL)
• 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.
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 x 2
Tweeter x 2
Maximum input power: 25 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
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.
GX-CD1200W
No. S5039GXCD1200
Page