Sharp CD-C250X BK User Manual

SHARP SERVICE MANUA.L
No. S8531 CDC250XK
MODEL
CD=C25,OX(bK)
C D-C%OX( B K)
CP-C250(BK)
Illustration: CD-C250NCP-C2
Illustration: CD-C260X/CP-C250
l Difference between CD-C250X and CD-C260X
CD-C250X differs from CD-C260X only in the design of cassette lid,
Front Panel.and CD Cover but their functions are the same.
l In the interests of user-safety the set should be restored to its original
condition and only parts identical to those specified be used.
tLlIIi!m *
DIGITAL AUDIO
CONTENTS
.
*
Page -‘-
SPECIFICATIONS..
............................................................................................................................................................
2
VOLTAGE SELECTION .................................................
....................................................................................................
2
AC POWER SUPPLY CORD AND PLUG
..........................................................................................................................
2
NAMES OF PARTS .......................................................................................... __. ............................................................... 3
OPERATION
MANUAL
......................................................................................................................................................
5
DISASSEMBLY
......................................... .........................................................................................................................
6
REMOVING AND REINSTALLING THE MAIN PARTS ..................................................................................................... 8
ADJUSTMENT ................................................................................................................................................................. 10
TROUBLESHOOTING (CD SECTION) ............................................................................................................................ 12
FUNCTION TABLE OF IC ................................................................................................................................................ 18
LCD SEGMENT.. .............................................................................................................................................................. 21
NOTES ON SCHEMATIC DIAGRAM ............................................................................................................................... 22
TYPES OF TRANSISTOR
................................................................................................................................................
22
BLOCK DIAGRAM..
...........................................................................................................................................................
23
WAVEFORMS OF CD CIRCUIT ......................................................................................................................................
27
SCHEMATIC DIAGRAM /WIRING SIDE OF P.W.BOARD .............................................................................................
29
REPLACEMENT PARTS LIST / EXPLODED VIEW
SHARP CORPORATION

Sharp CD-C250X BK Specifications

General

CD Player	Yes
Bluetooth	No
USB Port	No
Color	Black
Playable CD formats	CD, CD-R
Radio	FM
Speakers	Yes, 2-way speakers

Summary

NAMES OF PARTS

Front Panel Components

Identification of controls and indicators on the front panel of the unit.

Rear Panel, Speaker, Remote, and Unit Controls

Identification of rear panel connections, speaker parts, remote control, and unit controls.

OPERATION AND RESET PROCEDURES

Remote Control Operation

RESETTING THE MICROCOMPUTER

ADJUSTMENT PROCEDURES

Tuner and Mechanism Section Adjustments

Procedures for adjusting tuner settings and checking mechanism performance.

TROUBLESHOOTING (CD SECTION)

CD Unit Function and Turntable Issues

Diagnosing CD section, tray, turntable stop/move, and general function problems.

CD Tray and Playback Function Failures

Troubleshooting CD tray open/close failures and overall CD playback function problems.