Sharp cd ba 3100 h service manual

Page 1

CD-BA3100H

SHARP SERVICE MANUAL

No. SS134CDBA310H

MINI COMPONENT SYSTEM

MODEL CD-BA3100H

CD-BA31DOH Mini Component System consisting of
CD-BA3100H (main unit) and CP-BA3100H (speaker system).

an

I I

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

@figfi @R-D-sEON

used.
DIGITAL AUDIO
- Note for users in U.K.
CD'R/RW B-CD Recording and playback of any material may require consent
Playable CHANGER which SHARP is unable to give. Please refer particularly to the

provisions of Copyright Act 1956, the Dramatic and Musical
Performers Protection Act 1956, the Performers Protection Acts
1963 and 1972 and to any subsequent statutory enactments and
orders.

/- CONTENTS %

SAFETY PRECAUTION FOR SERVICE MANUAL ..
IMPORTANT SERVICE NOTES (FOR U.K. ONLY).
SPECIFICATIONS .....
NAMES OF PARTS
OPERATION MANUAL ..
DISASSEMBLY ..........
REMOVING AND REINSTALLING THE MAIN PARTS ..
ADJUSTMENT .............................................................
CD CHANGER MECHANISM MAIN BASE PARTS ASSEMBLING/ADJUSTING PROCEDURE
BLOCK DIAGRAM .............................................................
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD
VOLTAGE .........................................
NOTES ON SCHEMATIC DIAGRAM
TYPES OF TRANSISTOR AND LED....
WAVEFORMS OF CD CIRCUIT.
TROUBLESHOOTING ......
FUNCTION TABLE OF IC.
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY)
FL DISPLAY ..
REPLACEMEN
PACKING METHOD (FOR U.K. ONLY)

-
This document has been published to be used

SHARP CO RPO RATION for after sales service only.

The contents are subyect to change without notice.

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CD-BA3100H

SAFETY PRECAUTION FOR
SERVICE MANUAL

Precaution to be taken when replacing and servicing the
Laser Pickup.

The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class 1
Requirements. However, the following precautions must be
observedduringservicingtoprotectyoureyesagainstexposure
to the Laser beam.

(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a position
outerthan the lead-in position, the Laserwill light forseveral
seconds to detect a disc. Do not look into the Pickup Lens.

(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted prior
to shipping.

(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.

(4) Under no circumstances look directly into the Pickup Lens
at any time.

(5) CAUTION - Use of controls or adjustments, or performance
of procedures other than those specified herein may result
in hazardous radiation exposure.

(For U.K.)

CLASS 1 LASER PRODUCT
APPAREIL A LASER DE ELASSE l
PRDDDDTD LASER DE CLASE 1

(Except for U.K.)

CLASS 1 LASER PRODUCT

AFPAREIL A LASER DE DLASSE1
PRDDUETD LASER DE ELASE 1

LASER KLASSE 1
LUOKAN 1 LASERLAITE
kLAss 1 LASERAPPARAT
LASER TfiiDY 1

LASER TRIEDV 1

Laser Diode Properties
Material: GaAlAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW

miuitmwmian. LAMX RADMIIUIV Wm 0er m Mil mm: mm
m Di

m. in mm um l\§'l|(liMLN1§
m mum» N\A m. R wimp MIRAA
m iMIRUMLNl

VAROITUSl LAITTEEN KAVTTAMINEN MUULLA KUIN TAssA
kAVTTooHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA
KAVTTAJAN TUHVALLISUUSLUOKAN1 VLITrliviiLLE NAKVMATroMALLE
LASERSATEILVLLE.

VARNING - OM APPARATEN ANVANDS PA ANNAT sin-r AN I DENNA
BRUKSANVISNING SPECIFICERAS. KAN ANVANDAREN UTSlu-rAs Fon
OSVNLIG LASERSTRALNING, SOM OVERSKRIDER GHANSEN Fén
LASERKLASS 1.