To Next PageTo Next Page
Need help?Do you have a question about the JVC RC-EZ55BB and is the answer not in the manual?
Detailed technical specifications for the RC-EZ55B CD portable system, covering CD player, tuner, cassette deck, and general features.
Detailed technical specifications for the RC-EZ53S CD portable system, covering CD player, tuner, cassette deck, and general features.
Detailed technical specifications for the RC-EZ51H CD portable system, covering CD player, tuner, cassette deck, and general features.
Circuit diagram for the control printed wiring board (PWB) of the RC-EZ55 system.
Circuit diagram for the audio printed wiring board (PWB) of the RC-EZ55 system.
Circuit diagram for the CD (Compact Disc) printed wiring board (PWB) of the RC-EZ55 system.
Circuit diagram for the tuner printed wiring board (PWB) of the RC-EZ55 system.
Circuit diagram for the tape deck printed wiring board (PWB) of the RC-EZ55 system.
This document serves as a comprehensive service manual for the JVC CD Portable System, encompassing models RC-EZ55BB, RC-EZ55BE, RC-EZ55BEN, RC-EZ55BEV, RC-EZ51HB, RC-EZ51HE, RC-EZ51HEN, RC-EZ51HEV, and RC-EZ53SE. It is primarily intended for service personnel, providing essential information for the repair and maintenance of these portable audio devices.
The JVC CD Portable System is a versatile audio device designed for on-the-go entertainment. Its core functionality revolves around playing various audio sources, offering users flexibility in their listening experience.
At the heart of the system is a CD player, capable of playing standard audio CDs. For models like the RC-EZ55BB, RC-EZ55BE, RC-EZ55BEN, RC-EZ55BEV, RC-EZ51HB, RC-EZ51HE, RC-EZ51HEN, RC-EZ51HEV, and RC-EZ53SE, the CD player also supports MP3 playback, allowing for a greater number of songs to be stored on a single disc. This feature enhances convenience by reducing the need to carry multiple CDs. The CD player mechanism is designed for reliable disc reading, ensuring smooth audio playback.
Complementing the CD player is an integrated tuner, providing access to radio broadcasts. The RC-EZ55 series models feature a digital FM/AM tuner, offering precise station tuning and potentially enhanced signal reception. The RC-EZ51 and RC-EZ53 series models, on the other hand, incorporate an analog FM/AM tuner, providing a more traditional radio experience. Both tuner types allow users to listen to their favorite radio stations, whether for music, news, or talk shows. The inclusion of both FM and AM bands ensures a wide range of available stations.
A significant feature of these portable systems is the cassette deck. This allows users to play audio cassettes, catering to those who still possess a collection of tapes or wish to record from other sources. The cassette deck typically includes standard playback controls, enabling users to enjoy their cassette library. For models that support recording, it offers the ability to create new tapes, potentially from radio broadcasts or the CD player, adding a layer of versatility to the device.
The audio output is delivered through built-in speakers, providing a stereo sound experience suitable for personal listening or small gatherings. The system is designed to produce clear and audible sound, making it a self-contained audio solution. Additionally, a PHONES (3.5 Ø) output terminal is provided, allowing users to connect headphones for private listening, which is particularly useful in shared environments or when a more immersive audio experience is desired.
Powering the device is a dual-source system. It can operate on AC power (230 V, 50 Hz) when connected to a wall outlet, making it suitable for home or office use. For portability, it also supports DC power from batteries (R20 (SUM-1)/D (13D)-size batteries x 8), enabling users to take the system outdoors or to locations without readily available power outlets. This dual power capability underscores its design as a truly portable audio system.
The JVC CD Portable System is designed with user convenience in mind, offering straightforward operation for its various functions.
For CD playback, users can easily load a disc into the dedicated tray. The system typically features standard controls such as play, pause, stop, skip track, and repeat functions, allowing for full control over the audio experience. The MP3 playback capability, where available, further enhances the utility by allowing for extended listening sessions from a single disc.
The tuner section provides intuitive controls for station selection. Digital tuners, found in the RC-EZ55 series, often include features like auto-scan and preset memory, making it easy to find and save favorite stations. Analog tuners, present in the RC-EZ51 and RC-EZ53 series, typically involve a tuning knob for manual station selection, offering a tactile and familiar experience for radio enthusiasts. The telescopic antenna for FM and ferrite core antenna for AM ensure optimal reception for both bands.
Operating the cassette deck is also designed to be user-friendly. Standard controls for play, stop, fast forward, and rewind are typically present. For models with recording capabilities, dedicated record buttons and input selection options would be available, allowing users to capture audio onto a cassette tape.
The overall design emphasizes portability, with a compact form factor and a handle for easy carrying. The ability to switch between AC and battery power ensures that the device can be used in a wide range of settings, from indoor environments to outdoor activities. The headphone jack provides a personal listening option, adding to the versatility of the system.
This service manual explicitly states a crucial aspect of maintenance for these models: "No service part is available for this model. Exchange only." This indicates a specific service policy where individual components are not supplied for repair. Instead, if a unit requires service beyond basic troubleshooting, the entire unit is to be exchanged. This approach simplifies the repair process for service technicians by eliminating the need for component-level diagnostics and replacements.
While component-level repair is not supported, general maintenance practices would still apply to ensure the longevity and optimal performance of the device. These might include:
The service manual's structure, with sections for "PRECAUTION," "SPECIFIC SERVICE INSTRUCTIONS," "DISASSEMBLY," "ADJUSTMENT," and "TROUBLESHOOTING," suggests that while component-level repair is not supported, there might be general guidelines or procedures for initial assessment or basic operational checks before an exchange is deemed necessary. However, the explicit statement "This service manual does not describe..." for each of these sections reinforces the "exchange only" policy, indicating that detailed repair instructions for these areas are not provided within this document. The inclusion of circuit diagrams (like the CONTROL PWB, AUDIO PWB, CD PWB, TAPE PWB, and TUNER PWB) suggests that while parts are not available for repair, the underlying electronic architecture is documented for reference, perhaps for diagnostic purposes to confirm the need for an exchange. The use of lead-free solder (Sn-Ag-Cu and Sn-Cu) is also noted, indicating adherence to modern environmental standards in manufacturing.
General| Brand | JVC |
|---|---|
| Model | RC-EZ55BB |
| Category | CD Player |
| CD Player Type | Portable |
| Playback Formats | CD, CD-R, CD-RW |
| Output Power | 2.5 W |
| RMS Output Power | 1.2 W |
| Tuner | Yes |
| Headphone Jack | Yes |
| Weight | 2.2 kg |
| AC Adapter | Yes |
| Supported Radio Bands | FM |
| Battery Type | C |
| Type | Portable |
