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General| Brand | Denon |
|---|---|
| Model | DVD-1740/558 |
| Category | DVD Player |
| Language | English |
Check and ensure unit's leakage current is within specified limits for customer safety.
Caution against direct viewing of laser radiation when unit is open.
Adhere to handling instructions, avoid electric shock, use safe disassembly practices.
Use only designated replacement parts to maintain safety standards.
Verify all parts are correctly reassembled and safety checks are performed.
Confirm specified clearance distances between components and chassis.
Detailed method for testing leakage current after repairs.
Understand pin indicators and numbering on circuit boards.
Procedures for safely removing and installing flat pack integrated circuits.
Guidelines for connecting/disconnecting FFC cables to prevent damage.
Wear grounding bands to prevent static discharge damage to semiconductors.
Ensure workbench and tools are properly grounded for static protection.
Visual guide outlining the sequence of disassembly steps.
Step-by-step guide with part removal, unlock, and desoldering procedures.
Handle locking tabs carefully to avoid breakage during disassembly.
Protect laser diode from electrostatic discharge during handling.
Ensure FFC cable is connected correctly upon reassembly.
Align and secure the DVD Main CBA Unit properly during installation.
Troubleshooting power, fuse, voltage, buzz sound, and -FL output issues.
Diagnosing various output voltage issues (P-ON, EV).
Troubleshooting display, key, and remote control operations.
Diagnosing disc tray, focus, and laser beam issues.
Resolving picture, sound, and audio output problems.
Overview of system control and servo functions.
Diagram illustrating the digital signal processing path.
Shows the signal flow for video and audio processing.
Detailed diagram of the audio signal processing circuitry.
Illustrates the power supply circuit and voltage distribution.
General guidelines and warnings for interpreting schematic diagrams.
Caution regarding fuse replacement type for fire hazard protection.
Warning about checking power supply components before connecting AC power.
Guidelines on part numbers, resistance, capacitance, and voltage notation.
How voltages are indicated for different operating modes in schematics.
Method for interpreting line connections and references in schematics.
Symbols used to indicate different types of test points on PCBs.
Detailed schematic for DVD Main CBA unit, part 1 of 4.
Detailed schematic for DVD Main CBA unit, part 2 of 4.
Detailed schematic for DVD Main CBA unit, part 3 of 4.
Detailed schematic for DVD Main CBA unit, part 4 of 4.
Detailed schematic for AV CBA unit, part 1 of 3.
Detailed schematic for AV CBA unit, part 2 of 3.
Schematics for AV functions and LED indicators.
Exploded view showing the cabinet parts and their assembly.
