Sharp cd xp 120w service manual
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Page 1
CD-XP120W
SHARP SERVICE MANUAL
No. S7254CDXP120W
MINI COMPONENT SYSTEM
MODEL CD-XP120W
CD-XP120W Mini Component System consisting of CD-XP1 20W
(main unit) and CP-XP120 (speaker system).
- In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specilied be
used.
COM PACT -
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DIGITAL AUDIO
/- CONTENTS
SAFETY PRECAUTION FOR SERVICE MANUAL
VOLTAGE SELECTION .......
AC POWER SUPPLY CORD
SPECIFICATIONS .....
NAMES OF PARTS
DISASSEMBLY ..........
REMOVING AND REINSTALLING THE MAIN PARTS.
ADJUSTMENT
TEST MODE .......
NOTES ON SCHEMATIC DIAGRAM
TYPES OF TRANSISTOR
BLOCK DIAGRAM ............
SCHEMATIC DIAGRAM /W|R|NG SIDE OF P.W.BOARD.
VOLTAGE .........................
FUNCTION TABLE OF IC.
FL DISPLAY ......................
REPLACEMENT PARTS LlST/EXPLODED VIEW
-
This document has been published to be used
SHARP CORPORATION for after sales service only.
The contents are subject to change without notice.
Page 2
CD-XP120W
SAFETY PRECAUTION FOR SERVICE MANUAL
WARNINGS
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER
COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS
IMPORTANT THATTHE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON WITHOUTA COMPACT DISC IN POSITION AND THE
PICKUP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT
LOOK INTO THE PICKUP LENS.
2-THE LASER POWER OUTPUT OF THE PICKUP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY
PRESET BEFORE SHIPMENT.
DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME.
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
Laser Diode Properties
Material: GaAlAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
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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.
Turn the selectorwith a screwdriver until the appropriate voltage number appears in the window (1 10 V. 127 V, 220 V or 230 V » 240 V AC).
AC POWER SUPPLY CORD
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