Trouble Shooting; When The Cd Does Not Function; Turn The Power Off; When A Cd Cannot Be Played - Sharp CD-BK2100V Service Manual

Video cd mini system

Service manual (72 pages)

Table of Contents

When the CD does not function

When the CD section does not operate when the objective lens of the optical pickup is dirty, this section may not operate. Clean

the objective lens, and check the playback operation. When this section does not operate even after the above step is taken, check

the following items.

Remove the cabinet and follow the trouble shooting instructions.

"Track skipping and/or no TOC (Table Of Contents) may be caused by build up of dust other foreign matter on the laser pickup

lens. Before attempting any adjustment make certain that the lens is clean. If not, clean it as mentioned below."

Turn the power off.

Gently clean the lens with a lens cleaning tissue and a small amount of isopropyl alcohol.

Do not touch the lens with the bare hand.

CD optical pickup Lens cleaner disc

HOW TO USE

Using the brush in the cleaner cap, apply 1 or 2 drops of the cleaning fluid to the

brush on the CD cleaner disc which has the mark next to it.

Place the CD cleaner disc onto the CD disc tray with the brush side down, then

press the play button.

You will hear music for about 20 seconds and the CD player will automatically stop.

If it continuous to turn, press the stop button.

CAUTION

The CD lens cleaner should be effective for 30-50 operations, however if the

brushes become worn out earlier then please the cleaner disc.

If the CD cleaner brushes become very wet then wipe off any excess fluid with a soft

cloth.

Do not drink the cleaner fluid or allow it to come in contact with the eyes. In the

event of this happening then drink and / or rinse with clean water and seek medical

advice.

The CD cleaner disk must not be used on car CD players or on computer CD-ROM

drives.

is prohibited by law.

When a CD cannot be played

1. "E-CD01" is displayed.

(1) Check the power to IC2 (LC78641E), the presence of the clock signal (16.93 MHz) and the status of the RESET terminal

(pin 71 on IC2).

(2) Does the pickup move to the PICKUP-IN Switch (SW4) position?

If (1) and (2) are OK, check the system microcomputer (especially the communication line with the DSP).

2. Pressing the CD operation key is accepted, but playback does not occur.

(1) Focus-HF system check

(2) Tracking system check

(3) Spin system check

(4) PLL system check

(5) Others