Sharp cd ba 180 mini hifi system

Page 1

CD-BA180

SHARP SERVICE MANUAL

No. S7OBOCDBA180/

MINI COMPONENT SYSTEM

MODEL CD-BA180

CD-BA180 Mini Component System consisting of
CD-BA180 (main unit), CP-BA180 (front speaker) and
GBOXSOO4OAWM1 (rear speaker).

COMPACT
- In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be

DIGITAL AUDIO used.

This Service Manual is for the CD-BA180, which is a minor-
modification model of the CD-BAISO. This manual, therefore,
describes only the dilferent points from the CD-BA150. Please
refer to the CD-BA150 service manual (No.310030DBA150/)
together with this manual.

CD-BA150
Page
OPERATION MANUAL .............................................. .. 5
REMOVING AND REINSTALLING THE MAIN PARTS.
ADJUSTMENT .....................................
TROUBLESHOOTING (CD SECTION)
FUNCTION TABLE OF IC ...................

.. 8
11
35
39

CONTENTS %

SPECIFICATIONS
NAMES OF PARTS .
DISASSEMBLY.
CD TEST MODE
BLOCK DIAGRAM
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.
NOTES ON SCHEMATIC DIAGRAM
TYPES OF TRANSISTOR AND LED.
WAVEFORMS OF CD CIRCUIT ..

VOLTAGE ...... 30
FL DISPLAY. ...31
REPLACEMEN

This document has been published to be used

SHARP COR PORATION for after sales service only.

The contents are subject to change without notice.

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CD-BA180

FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER

TO THE OPERATION MANUAL.
SPECIFICATIONS
CD-BA180

0 General 0 Cassette deck section
Power source: AC 120 V, 60 Hz Frequency response: 50,14,000 Hz (Normal tape)
Power consumption: 105 W Signal/noise ratio: 55 dB (TAPE 1, playback)
Dimensions: Width; 270 mm 50 dB (TAPE 2, recording/playback)

Height; 330 mm Wow and flutter: 0.3 /o (WRMS)

Depth; 375 mm
Weight: 6.2 kg

0 Amplifier section

Output power: RMS; 100 W (50 W + 50 W)
(10 % T.H.D.)

Input terminals: Video/Auxiliary (audio signal);
500 mV/47 kohms

Output terminals: Front speakers; 8 ohms

Rear speakers; 16 ohms
Headphones; 16750 ohms
(recommended; 32 ohms)

0 Compact disc player section

Type: 37disc multirplay compact
disc player

Signal readout: Nonacontact, Babeam semi:
conductor laser pickup

D/A converter: 17bit D/A converter

Frequency response: 20 7 20,000 Hz

Dynamic range: 90 dB (1 kHz)

. Tuner section

Frequency range: FM; 87.57108 MHz
AM; 530:1,720 kHz

CP-BA1B

Type:

Maximum input power:
Rated input power:
Impedance:
Dimensions:

Weight:

Srway type [10 cm woofer x 2
and 5 cm tweeter]

80 W

40 W

8 ohms

Width; 231.5 mm

Height; 330 mm

Depth; 210 mm

3.1 kg/each

GBOXSOO40AWM1

Type:

Maximum input power:
Rated input power:
Impedance:
Dimensions:

Weight:

10 cm fullerange speaker
30 W

15 W

16 ohms

Width; 170 mm

Height; 170 mm

Depth; 88 mm

05 kg/each

prior notice.

Specifications for this model are subject to change without