The Marantz CC4300 is a high-quality audio CD changer featuring 5-disc capacity, digital optical output, programmable playback, random/shuffle modes, remote control operation, and advanced audio processing. This service manual provides comprehensive technical information for service technicians, including schematics, alignment procedures, troubleshooting guides, and replacement parts information.
Complete technical specifications for the Marantz CC4300 CD changer system.
| Parameter | Specification |
|---|---|
| Number of Discs | 5-disc carousel changer |
| Frequency Response | 2Hz - 20kHz (±0.5dB) |
| Signal-to-Noise Ratio | >100dB |
| Dynamic Range | >95dB |
| Total Harmonic Distortion | <0.005% |
| Output Level | 2.0V RMS |
| Digital Output | Optical Toslink |
| Power Requirements | 120V AC, 60Hz, 15W |
| Dimensions | 17.1" W × 4.3" H × 13.8" D |
| Weight | 12.1 lbs |
System block diagrams showing signal flow and component interconnections.
WARNING! Always refer to block diagrams before attempting repairs to understand system architecture.
Detailed descriptions of major circuit sections and their operation.
CAUTION! Static-sensitive components require proper ESD protection during service.
Required test equipment: oscilloscope, audio analyzer, test CDs.
Adjustment Points: Focus gain, tracking gain, RF level, PLL frequency.
RF Signal Adjustment: Adjust for 1.2Vp-p ±0.1V using S-curve pattern. Focus Bias: Adjust for symmetrical S-curve. Tracking Balance: Center eye pattern. PLL Adjustment: Set to 4.3218MHz ±10Hz.
No Power: Check AC input, fuse F601 (2A), power switch, regulator IC601. No Disc Recognition: Verify laser emission, check focus search, inspect disc detection switch. No Audio Output: Test DAC output, check analog stage, verify digital signal. Transport Issues: Inspect loading mechanism, check mode switch, verify motor operation.
Critical voltage test points and expected values.
Tip: Always measure voltages with unit operating under normal load conditions.
Major components and their part numbers for service replacement.
| Component | Part Number | Description |
|---|---|---|
| Laser Pickup | KSS-213C | Complete optical assembly |
| Loading Motor | MMT-12D2L | Disc transport motor |
| Spindle Motor | MFM-32C1R | Disc rotation motor |
| Power Transformer | T-001-012 | Main power transformer |
| Main Microprocessor | HD6437059F20 | System controller IC |
| DAC IC | PCM1716E | Digital-to-analog converter |
| Main Fuse | 2A 250V | AC input fuse |
WARNING! Use only genuine Marantz replacement parts for optimal performance.
Printed circuit board layouts for all major assemblies.
Includes component designations, test points, and critical signal paths.
Laser Safety: Never view laser beam directly. Use infrared viewer if needed. Electrical Safety: Discharge large capacitors before servicing. ESD Protection: Use grounded wrist strap when handling ICs. Mechanical Precautions: Handle transport mechanism carefully to avoid misalignment.
CAUTION! Laser products are classified as Class 1 laser devices.
| Version | Date | Changes |
|---|---|---|
| V1.0 | 2002-08 | Initial release |
| V1.1 | 2003-02 | Improved disc compatibility |
| V1.2 | 2003-11 | Enhanced tracking performance |
| V1.3 | 2004-05 | Final production version |
Firmware Update: Requires service programmer and adapter cable.
Service Support: Contact Marantz technical support for firmware tools and updates.