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General| Type | CD Recorder |
|---|---|
| Recording Media | CD-R, CD-RW |
| Power Consumption | 20W |
| Sampling Frequency | 44.1 kHz |
| Frequency Response | 20 Hz - 20 kHz |
| Total Harmonic Distortion | < 0.01% |
| Playback Formats | CD-DA, CD-R, CD-RW |
| Input Connectors | Analog (RCA), Digital Coaxial, Digital Optical |
| Output Connectors | Analog (RCA), Digital Coaxial, Digital Optical |
| Audio Formats Supported | CD-DA |
Procedure for ensuring appliance safety after servicing, prior to customer return, focusing on resistance measurements.
Highlights hazard symbols and the importance of using original replacement parts to prevent risks.
Detailed guidelines for professional service technicians regarding fire and shock hazards during repair.
Procedure to check AC leakage current with the unit not connected to AC mains.
Procedure to check AC leakage current with the unit connected to AC mains.
Guidance on replacing parts, emphasizing safety characteristics and electrostatic discharge precautions.
Details the CDL4009 loader assembly, its components, and mounting considerations.
Provides an exploded view of the CDL3800 loader, listing all part numbers and descriptions.
Step-by-step instructions for safely disassembling the CDL3800 loader, including tray and CDM removal.
Presents an exploded view of the CDM3800 component, detailing individual parts for service.
Provides a detailed procedure and limitations for cleaning the objective lens of the optical pickup unit.
Specifies lubricants and application points for mechanical components.
Details specific points and procedures for greasing parts of the CDL3800 loader assembly.
Specifies lubricants and application points for various parts of the CDM3800 module.
Instructions for applying oil to centrifuged bearings, emphasizing correct dosage and placement.
Explains internal self-diagnostics and the use of tools without opening the set.
Describes the dealer mode function, which disables the open/close feature for display purposes.
Outlines the dealer diagnostics procedure for checking player status automatically.
Details software versions, tests for defective components, and diagnostic flowcharts.
Describes mechanical diagnostic tests requiring visual inspection of tray, focus, and sledge movements.
Explains the procedure for erasing a complete CD-RW disc using the DC-erase function.
Details the burn-in mode, an endless cycle of DC-erase, recording, and finalising for testing intermittent faults.
Provides faultfinding guidance, repair suggestions, and power supply voltage checks for the mainboard.
Faultfinding trees for the CDR module, covering disc detection, player information, and module replacement.
Focuses on the mainboard's power supply section, essential for electrical functions.
Describes the split-up of power supplies for digital, servo, and audio parts, and power entry via connector 1500.
Flowchart detailing checks for power supply voltages and components on the mainboard.
Explains the master reset procedure and the interaction between +3V3 and +5V devices for system stability.
Details the master reset process, emphasizing the use of a special device to guard +3V3 and +5V outputs.
Provides test points and checks for reset signals and clock signals on the mainboard.
Explains how clock signals are generated on the CDR MAIN 99, primarily from the DASP processor.
Describes how a PC can be used for diagnostics via an RS232 interface, accessing menus and test results.
Details the software requirements and operation of the Menu Driven Diagnostics (MDD) system.
Explains the structure of MDD menus, test types (PASSED/FAILED, value, visual check), and test results.
Outlines the hierarchical menu structure (Level 1, Level 2, Level 3) for the diagnostics.
Guide for checking servo drivers, focusing on focus servo tests and related testpoints.
Details the procedure for testing the focus servo, including checks for VFO signals and driver circuits.
Describes testing the radial servo, including checks for VRA signals and driver circuits.
Provides steps for testing the sledge servo, checking VSL signals and driver circuits.
Details the procedure for testing the tray servo, checking tray open/close signals and related drivers.
Guide for checking audio signals, covering digital and analog playback paths.
Procedure for verifying digital audio playback by checking HF signals and I2S signals.
Steps to check analog audio playback by verifying HF, I2S, Vout, and audio signals.
Procedure to check the digital audio path during recording, verifying signal, I2S, and EFM data.
Steps to verify the analog audio path during recording, checking signals from connector 1400 to final output.
Presents a high-level block diagram of the CDR main board, illustrating major functional blocks and interconnections.
Detailed circuit diagram showing AEGER, EFMTIM, and Forward Sense circuits with test points.
Circuit diagram illustrating XDAC and laser drive current circuits, including read and erase functions.
Circuit diagram detailing servo drivers, MACE-RAM, Flash memory, and DEMUX test points.
Circuit diagram focusing on the MACE BE-processor, showing test points for various signals and ports.
Circuit diagram for the CD encoding and decoding sections, including encoder and decoder circuits.
Circuit diagram for the audio section, detailing DAC, DSP, and signal processing components.
Circuit diagram showing power supply circuits and test points for various voltage rails.
Diagram illustrating test connectors and interfaces, including RS232 and other test points.
Circuit diagram detailing test points for the DASP master processor, covering its various interfaces and signals.
Circuit diagram showing test points for DASP FLASH and DRAM memory interfaces.
Top view of the CDR main board showing component placement and identification.
Bottom view of the CDR main board illustrating component placement and connections.
A comprehensive survey of testpoints located across the CDR mainboard for diagnostic purposes.
Discusses factory matching of CDR-modules via SW parameters and ongoing investigation for COMPAIR tool implementation.
Provides a comprehensive list of signal names, signal flow, and their functions and descriptions.
Lists electrical components for the mainboard, detailing part numbers, descriptions, and compatibility across models.
