19

 

 

SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

PICK

-UP

 

 

System

 

Compact disc digital audio system

 

 

Laser diode

 

Material: GaAIAs

 

 

Properties

 

Wavelength: =780nm

 

 

 

 

Emission Duration: continuous

 

 

 

 

Laser output: <44.6 W

 

 

Error correction

 

Cross-interleave Reed-solomon code

 

 

 

 

 

 

 

AUDIO

 

 

D/A conversion

 

1-bit DAC four times oversampling

 

 

Frequency response

 

20-20,000Hz ( +1 dB)

 

 

 

- 3

 

 

Wow and flutter

 

Below measurable limits

 

 

 

 

 

 

 

Bass boost effect (100Hz)

 

+ 7dB

 

 

 

GENERAL

 

 

No. of channels

 

2 channels (stereo)

 

 

Output level

 

Line output: 0.6 Vrms (47k )

 

 

 

 

Headphone: 24mW (32 )

 

 

Power requirements

 

- 2 x LR6 "AA" alkaline battery

 

 

 

 

- DC in 4.5V jack accepts AC power

 

 

 

 

adaptor (center positive)

 

 

 

 

 

 

 

Power consumption

 

0.8W (DC 4.5V) UNDER NORMAL

 

 

 

 

 

 

 

 

CONDITION

 

 

Dimension

 

Approx. 143.5(L) x 132.0(W) x 29.3(H)mm

 

 

Weight

 

Approx. 220g (not including battery)

 

 

MPEG rate

 

Supported (32-256) kbps

 

 

 

 

ISO9660, Joliet format compatible.

 

 

MP3 playback

 

ISO9660, Joliet format compatible.

 

 

 

 

 

 

 

ID3 information

 

For playing some MP3 disc with ID3

 

 

 

 

information, the LCD display can show

 

 

 

 

the title of the disc, names of the artists

 

 

 

 

and each song name.

 

 

Anti-shock

 

40 sec. for CD.

 

 

 

 

100 sec. for MP3.

 

This model is CD-R compatible.

TROUBLE SHOOTING GUIDE

SYMPTOM

CAUSE

SOLUTION

CD Player will not turn

Dead or weak batteries.

Replace both batteries.

on.

The AC adapter is not

Check the AC adapter connection at

 

connected properly.

AC outlet and side of set.

Disc will not play.

Disc inserted incorrectly.

Re-insert disc with label side facing up.

 

Defective or wrong type

Try another audio compact disc (DVD

 

compact disc.

or data disc won't work).

 

CD lid not closed.

Close lid securely

 

Moisture has formed

Take out the CD and leave the CD door

 

inside the CD deck.

open for about an hour to dry the

 

 

moisture condensation.

No sound from

Headphone plug not

Re-insert headphone plug into the

headphones.

inserted properly.

headphone jack.

 

Headphone plugged into

Plug headphone into the headphone jack

 

the LINE out jack.

(not the line out jack).

 

The volume control set

Increase the volume.

 

to minimum.

 

 

Weak batteries.

Replace with fresh batteries or use the

 

 

AC adapter.

 

Defective compact disc.

Try another compact disc.

Sound is skipping.

The compact disc or

Clean or replace the compact disc or

 

lens is dirty.

clean the lens using a camera

 

 

brush/blower.

 

Too much movement

Reduce movement of CD player.

 

of the CD player.

 

 

ASR is off.

Turn on the ASR.

Sound is distorted.

Music is too loud.

Decrease the volume control level.

 

Weak batteries.

Replace both batteries or use the

 

BASS X BOOST is on

AC adapter.

 

Lower volume or slide BASS X BOOST

 

and music is too loud.

switch to off.

Tracks do not change

Batteries are too weak

Replace both batteries. Battery life with

or set does not play

and the battery symbol

new alkaline batteries is about 4-8

normally.

will show in display.

hours.

 

 

 

Button do not work.

Electronic or static error

Remove batteries and AC adapter.

caused circuitry to lock.

Wait a few seconds and re-insert.

 

 

 

Make sure batteries are fresh or adapter

 

 

has power.

 

 

 

Page 11
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Sanyo CDP-M303 instruction manual Specifications, Audio, General, Trouble Shooting Guide

CDP-M303 specifications

The Sanyo CDP-M303 is a distinguished component in the realm of portable CD players, known for its high-quality audio reproduction and innovative features. Released in the early 1990s, the CDP-M303 encapsulates the essence of Sanyo's commitment to advancing consumer electronics, particularly audio devices.

One of the standout features of the CDP-M303 is its impressive sound quality. Utilizing advanced digital-to-analog conversion technology, it delivers clarity and detail in audio playback that was ahead of its time. The device is equipped with a high-quality DAC that ensures minimal distortion and captures the nuances of the original recording, making it a favorite among audiophiles looking for portable solutions.

The CDP-M303's design is both functional and compact, adhering to the trend of portability that characterized the era's CD players. Its lightweight construction allows users to easily carry it, making it ideal for travel or casual listening sessions. The front panel incorporates a user-friendly layout, featuring an LCD display that provides essential information such as track number and playback time, improving user experience.

The device boasts a variety of playback functions including standard play, repeat, and shuffle modes, giving listeners the flexibility to enjoy their music the way they prefer. Additionally, the CDP-M303 supports CD-R and CD-RW playback, allowing users to listen to their own custom compilations, a feature that was particularly appealing as the CD format grew in popularity.

Another notable characteristic of the CDP-M303 is its anti-shock technology. This innovation minimizes the risk of audio skipping while the player is in motion, a common concern for portable devices. Users can confidently enjoy their music while on the go, whether they are walking, jogging, or commuting, enhancing the overall listening experience.

In summary, the Sanyo CDP-M303 represents a harmonious blend of sound quality, portability, and user-friendly design. Its advanced audio technologies and features ensure that it remains a memorable player in the history of CD hardware. With its ability to deliver high-resolution sound, support for user-created CDs, and durability for active users, the CDP-M303 captures the spirit of the early 90s portable audio trend, making it a classic among enthusiasts.