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Sony CDP-C325M Service Manual

Sony CDP-C325M
20 pages
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Sony CDP-C325M Specifications

General IconGeneral
Disc Capacity5 discs
Frequency Response2 Hz to 20 kHz
Signal-to-Noise Ratio100 dB
Dynamic Range95 dB
Total Harmonic Distortion0.003%
Output2V
TypeCD Player
Disc formatCD
Channels2
Digital-to-Analog Converter1 Bit

Summary

Service Manual Overview

Technical Specifications

Details model specifications including laser, output, frequency, and power requirements.

Handling and Safety Precautions

Optical Pick-up Handling

Provides critical handling instructions for the optical pick-up block to prevent damage and static discharge.

Laser Diode Emission Safety

Details safe procedures for checking laser diode emission, emphasizing distance.

Critical Component Safety Warning

Highlights components critical for safety and requires replacement with specified parts.

Laser Safety During Servicing

Laser Diode Technical Properties

Lists properties of the laser diode, including material, wavelength, and output power.

Optical Pick-up Servicing Guidelines

Instructs not to disassemble the optical pick-up block or adjust the APC circuit during service.

Electrical Block Checking Procedures

S Curve Waveform Check

Details the procedure for checking the S curve waveform, including connection and expected results.

RF Signal Level Check

Explains how to check the RF signal level and waveform clarity.

E-F Balance Waveform Check

Describes the process for checking the E-F balance waveform symmetry and level.

RF PLL and Gain Checks

RF PLL Free-run Frequency Check

Details the procedure for checking the RF PLL free-run frequency with a frequency counter.

Printed Wiring Board Layouts

PWB Layout Diagrams

Displays printed wiring board layouts for various sections like SW, Display, Power SW, and HP boards.

Schematic Diagrams

Chassis Assembly Exploded View

Tray Assembly Exploded View

Optical Pick-up Block Exploded View

Optical Pick-up Block Details

Provides an exploded view of the optical pick-up block and its constituent parts.

Electrical Parts List

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