Troubleshooting Guide

Before requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checks or a minor adjustment on your part may eliminate the problem and restore proper operation.

If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory of Authorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.

Problem

Check this

Cannot operate.

Is the MD loaded? If not loaded, “NO DISC” will appear.

Cannot play the MD.

• Is the HOLD switch released?

 

• Is the battery low?

 

• Is the MD faulty? (Play other MD.)

 

• Is there moisture condensation on the lens?

 

(Wait for about an hour and then try again.)

Tracks on MD do not play in order.

Is the Repeat Play or Random Play selected?

Recording cannot be made on MD.

Is the accidental erasure prevention knob of the MD set to the open position?

 

(Set it to the close position.)

Cannot hear music—too noisy.

• Is the headphones plug inserted all the way?

 

• Is the plug dirty? (Wipe away dirt on the plug.)

 

• Is music recorded on the MD? If not, “BLANK DISC” will appear.

TV picture is distorted.

Is the unit too near a TV or tuner? (If the TV or tuner is connected to a simple

 

indoor antenna, connect it to an outdoor antenna.)

Power is not turned on.

Was the power source removed from the unit with the HOLD switches activated?

 

(Release both HOLD switches and try to operate again.)

 

 

Specifications

Portable minidisc recorder

Type

:

Minidisc digital audio system

Sampling frequency

:

44.1 kHz

Compression /

: ATRAC method

expansion method

 

 

Number of channels: :

2 channels (stereo) / 1 channel (mono)

Frequency response

:

20 Hz to 20,000 Hz

Wow & flutter

: Unmeasurable

Input

: LINE IN: 100 mV / 47 kohms,

 

 

OPTICAL: -23 to -14 dBm,

Power requirements

: DC 3.6 V (rechargeable battery), DC

 

4.5 V (R6 size battery ⋅ 3), DC IN 6 V

Dimensions

: 81.7 ⋅ 19.5 ⋅ 88.9 mm

(W ⋅ H ⋅ D)

(excluding buttons and controls)

Mass

: Approx. 155 g (without battery)

AC adaptor (AA-R554)

Input power source

: AC 230 V, 50 Hz

Output voltage

: DC 6 V, 0.6 A

(*Same jack is used for LINE IN and OPTICAL)

MIC: 1.3 mV / 200 ohms to 2 kohms

Output: Headphones (3.5 mm dia. stereo ⋅ 1) 5 mW / ch at 10% THD / 16 ohms to 47 kohms

Design and specifications are subject to change without notice. US and foreign patents licensed from Dolby Laboratories Licensing Corporation.

Duration of battery :

 

When Playing back

When recording

Rechargeable battery

10 hours

5 hours

(BN-R3610)

 

 

 

 

 

Alkaline batteries

25 hours

12 hours

(LR6-Panasonic)

 

 

 

Rechargeable battery

 

 

+

38 hours

18 hours

Alkaline batteries

 

 

*Above duration may differ depending on the ambi- ent temperature and conditions.

*A rechargeable battery (BN-R3610) is charged for 2 hours.

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JVC XM-R70 manual Troubleshooting Guide, Specifications, Problem Check this, Portable minidisc recorder, AC adaptor AA-R554
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XM-R70 specifications

The JVC XM-R70 is a remarkable addition to the realm of portable audio, effectively blending cutting-edge technology with user-friendly features. Designed for on-the-go music enthusiasts, it delivers an exceptional listening experience while maintaining a compact and lightweight profile.

One of the standout features of the JVC XM-R70 is its Bluetooth connectivity. This allows users to connect their smartphones or other Bluetooth-enabled devices seamlessly, providing freedom from tangled wires. The device supports a robust wireless range, ensuring a steady connection for uninterrupted playback.

Sound quality is paramount, and the JVC XM-R70 does not disappoint. Equipped with high-quality audio drivers, it produces rich and balanced sound across a spectrum of genres. The device also employs advanced sound enhancement technologies, which optimize the playback quality, ensuring that every note is crisp and clear. Furthermore, the inclusion of a dedicated equalizer allows users to tailor their listening experience to their individual preferences, enhancing bass or treble as desired.

Battery life is another essential aspect of the JVC XM-R70. With a substantial battery capacity, users can enjoy hours of music playback on a single charge. This feature is particularly convenient for those who engage in outdoor activities or long commutes. The device also comes with fast charging capabilities, allowing users to quickly recharge and get back to enjoying their favorite tunes without long delays.

The JVC XM-R70 is designed with portability in mind, featuring a sleek and lightweight design. Its compact size makes it easy to slip into a backpack or purse, making it ideal for travel or outdoor adventures. Additionally, the rugged build ensures durability, capable of withstanding the rigors of daily use.

Other notable characteristics of the JVC XM-R70 include its hands-free calling functionality. Integrated with a high-quality microphone, users can take calls without needing to disconnect from their music. This feature enhances user convenience, allowing multitasking without sacrificing quality.

In summary, the JVC XM-R70 stands out in the crowded market of portable audio devices, combining excellent sound quality, superior battery performance, and convenient connectivity options. Whether for casual listening or more involved audio experiences, the XM-R70 is well-equipped to meet the demands of modern users while enhancing their overall enjoyment of music.
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