Brand: KENWOOD
Category: Audio System
Document Type: Parts/Service
Language: EN
Available Languages: EN , ES
Parts/Service for DV-502/503/DVF-3050/3550
Uploaded: Nov. 21, 2025, 8:22 p.m.
Manual Publish Date: 2001-05-01
Warranty Information
No explicit warranty period is stated in this service manual.
Operation Summary
This manual provides detailed information for servicing the KENWOOD DV-502/503/DVF-3050/3550 DVD/CD player. It includes sections on:
- Contents: Overview of the manual's sections.
- Attention: Contacting KENWOOD Service for information.
- Accessories: List of included accessories.
- Cautions: Notes on transportation, movement, and condensation.
- Operation to reset: Procedure to reset the microprocessor.
- Disassembly for Repair: Instructions on how to remove a disc and general cautions regarding laser products.
- Block Diagram: Visual representation of the unit's internal connections.
- Circuit Description: Detailed explanation of various circuits and ICs.
- Wiring Diagram: Schematic of interconnections between boards.
- PC Board: Component layout diagrams for different boards.
- Exploded View: Visual breakdown of the unit's components.
- Parts List: Comprehensive list of replaceable parts.
- Specifications: Technical details of the device.
Troubleshooting and error codes
| Error Code/Symptom | Possible Cause | Remedy |
|---|---|---|
| Microprocessor malfunction (erroneous display, unit unresponsive) | Power cord unplugged while ON or external factor. | Execute the "Operation to reset" procedure (hold STOP and Search keys, then press ON/OFF). |
| Refer to specific troubleshooting sections or circuit diagrams for detailed error analysis and repair procedures. | ||