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Troubleshooting (continued)

Specifications

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17

Radio

Trouble

Much noise in FM stereo and monaural broadcasts.

Preset station is reset.

Cause/Step

The antenna ground lead is not connected properly.

Connect the antenna ground lead properly.

The radio antenna is not extended enough.

Extend fully the radio antenna.

Battery cable is not correctly connected.

Connect the battery cable to the terminal that is always active.

General

Power Supply

: 12 V DC (11 V – 16 V) Test Voltage 14.4 V, Negative ground

Maximum Power Output

: 50 W 4 (at 4)

Tone Action

: Bass ; ± 12 dB at 100 Hz

 

Treble; ± 12 dB at 10 kHz

Current Consumption

: Less than 2.5 A (tape mode, 0.5 W 4-speaker)

Pre-Amp Output Voltage

: 2.0 V (CD Play mode; 1kHz 0 dB)

Speaker Impedance

: 4 (4 - 8 acceptable)

Dimensions

: 178(W) 50(H) 155(D) mm

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Cassette Tape

Trouble

No sound.

Tape sound quality is poor.

High tones are improperly emphasized.

Reproduction of high tones is poor.

Wow and flutter level is very high.

Cause/Step

Blank tape is inserted in the unit.

Insert recorded tape into the unit.

Heads are dirty.

Clean heads. (Ask a service representative for advice.)

Poor quality tape.

Use better quality tape.

Dolby B NR tape plays with Dolby B NR off.

Set Dolby B NR to ON.

Metal type tape plays with normal mode.

Change Normal mode to Metal mode.

Non-Dolby B NR tape plays with Dolby B NR on.

Set Dolby B NR to OFF.

Normal type tape plays with Metal mode.

Change Metal mode to Normal mode.

Heads are magnetized.

Demagnetize heads. (Ask a service representative for advice.)

Tape running mechanism is dirty or out of order.

Clean tape running mechanism, or repair it. (Ask a service representative for advice.)

Weight

: 1.4 kg

AM Radio

Frequency Range

: 531 – 1 602 kHz

Useable Sensitivity

: 28 dB µV (S/N 20 dB)

FM Stereo Radio

Frequency Range

: 87.5 - 108.0 MHz

Useable Sensitivity

: 13.2 dB µV (S/N 30 dB)

Stereo Separation

: 35 dB (at 1 KHz)

Tape Player

Reproduction System

: 4-track, 2-program stereo

Tape Speed

: 4.76 cm/sec

FF/REW Time

: Less than 110 sec (C-60)

Frequency Response

: 35

- 14 000 Hz ±3 dB (normal)

 

: 35

- 17 000 Hz ±3 dB (metal)

Wow and Flutter

: 0.12 % (WRMS)

Signal/Noise Ratio

: 52 dB (Dolby B NR OFF)

 

: 62 dB (Dolby B NR ON)

Note: Specifications and design are subject to modification without notice due to improvements in technology.

Remote Control

Trouble

Buttons are invalid for operation.

Cause/Step

Battery poles (+) (–) are reversed.

Insert the battery correctly.

Wrong battery.

Check the battery.

Battery has run down.

Replace the battery.

Remote control is in the wrong direction.

Direct the remote control at sensor (REMOTE) on the panel.

Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol Aare trademarks of Dolby Laboratories Licensing Corporation.

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Panasonic CQ-R223W manual Troubleshooting Specifications

CQ-R223W specifications

The Panasonic CQ-R223W is a versatile and user-friendly car audio system designed to enhance the listening experience in vehicles. This model stands out for its combination of functionality, sound quality, and modern features, catering to the needs of both casual listeners and audiophiles alike.

One of the main features of the CQ-R223W is its built-in CD player, allowing users to enjoy their favorite albums and tracks on the go. Additionally, it supports MP3 and WMA file playback, providing versatility in how users choose to listen to their music. The unit is equipped with an AM/FM radio with a digital tuner, granting access to a wide array of radio stations for up-to-date news and entertainment while driving.

The CQ-R223W boasts powerful amplification capabilities, ensuring that sound quality is crisp and clear even at higher volume levels. With an output power of 4 x 50 watts, the system can easily fill the car cabin with rich audio, making it an ideal choice for those who appreciate vibrant sound. The device also features a 3-band equalizer, allowing customization of audio settings to match personal preferences and the acoustics of the vehicle.

Connectivity is another highlight, as the CQ-R223W is equipped with an auxiliary input for easy connection with portable music players, smartphones, or tablets. Navigating through playlists and stations is made simple with the help of a well-designed interface and intuitively placed controls, ensuring that users can focus on the road while effortlessly managing their audio experience.

Durability and reliability are key characteristics of the Panasonic CQ-R223W. The unit is designed to withstand vibrations typical of automotive environments, ensuring longevity. Its sleek and stylish design allows for seamless integration into any car dashboard, enhancing the overall aesthetic while providing a modern touch.

In summary, the Panasonic CQ-R223W stands out as a feature-packed car audio system that prioritizes sound quality, connectivity, and user-friendliness. With its robust amplification, versatile media playback options, and durable design, it is an excellent choice for car owners looking to upgrade their in-car entertainment experience. Whether cruising on a road trip or commuting through the city, the CQ-R223W delivers a satisfying audio experience that is sure to please any music lover.