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Sony HCD-H50 Service Manual

Sony HCD-H50
86 pages
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Sony HCD-H50 Specifications

General IconGeneral
BrandSony
ModelHCD-H50
CategoryCD Player
LanguageEnglish

Summary

Disassembly Procedures

Mechanical Adjustments

Electrical Adjustments

Safety Component Warnings

Servicing Notes and Safety Checks

Safety Check-out Procedure

Ensures set safety before releasing to customer after service.

AC Leakage Test

Procedure for testing AC leakage from exposed metal parts.

Laser Operation Checks

Laser Diode and Focus Search Check

Procedure to check laser diode and focus search.

Handling Optical Pick-up Block

Precautions for handling the optical pick-up block to prevent damage.

Laser Diode Emission Check Notes

Guidelines for safely checking laser diode emission.

Laser Safety Precautions

Laser Beam Eye Protection

Instructions for protecting eyes from laser beams during service.

Laser Diode Properties

Details material, wavelength, output power, and classification.

Optical Pick-up Block Service Precautions

Instructions for servicing the optical pick-up block and APC circuit.

Tuner Section Operation

Radio Operation

Instructions for operating the radio tuner.

Tuner Section Functions

Storing Radio Stations

Procedure for storing radio stations into memory.

Amplifier Section Operation

CD Section Operation

CD Player Advanced Operations

Automatic Music Sensor (AMS) Operation

Using AMS to locate selections on a CD.

Disc Handling Precautions

Guidelines for keeping discs clean and preventing damage.

CD Playback Modes

Shuffle Play Operation

Playing tracks in a random order.

Program Play Operation

Playing tracks in a user-defined order.

Repeat Play Operation

Repeating all selections or a single section.

Cassette Deck Operations

Dolby Noise Reduction Usage

How to use Dolby NR for tapes with noise reduction.

Tape Dubbing and Recording

Relay Play (Deck A to B)

Procedure for playing tapes sequentially from Deck A to B.

CD Recording and Editing

Editing CD for Recording

Instructions for editing CD content for tape recording.

Recording Both Sides of Tape

Procedure for recording on both sides of a cassette.

Tape Dubbing and Timer Operations

Tape Dubbing Operation

Procedures for dubbing tape from one deck to another.

Timer-Activated Operation

Setting and using the automatic timer function.

Sleep Timer Operation

Microphone and Recording Operations

Microphone Mixing Operation

Steps for connecting microphone and adjusting volume.

Recording Mixed Sound

Recording audio mixed from microphone and source.

Disassembly Procedures

Case Assembly Disassembly

Instructions for disassembling the case assembly.

Power Assembly Disassembly

Instructions for disassembling the power assembly.

Main Board Disassembly

Instructions for disassembling the main board.

Component Disassembly

CD Block Disassembly

Instructions for disassembling the CD block.

Cassette Deck Block Disassembly

Instructions for disassembling the cassette deck block.

VR, Display, Jack, SW Boards Disassembly

Instructions for disassembling VR, display, jack, and SW boards.

Mechanical Adjustments

Mechanical Adjustment Precautions

Important precautions before performing mechanical adjustments.

Electrical Adjustments

Deck Section Adjustments

Adjustments specific to the deck section.

Electrical Adjustment Details

Tape Speed Adjustment

Procedure for adjusting tape speed using test tape and equipment.

Tuner Section Adjustments

FM Section Adjustments

Adjustments specific to the FM tuner section.

AM Section Adjustments

Adjustments specific to the AM tuner section.

Tuner and CD Section Adjustments

CD Section Adjustments

Adjustments and checks for the CD section.

CD Section Performance Checks

RF Level Check

Steps for checking RF signal level.

RF PLL Free-run Frequency Check

Steps for checking RF PLL frequency.

E-F Balance Check

Steps for checking and confirming E-F balance waveform.

Diagrams and Layouts

Semiconductor Lead Layouts

Visual representation of semiconductor pin configurations.

Circuit Board Locations

Circuit Boards Location

Diagram showing the physical location of all circuit boards.

Printed Wiring Boards (Tuner/CD/Deck)

Main Board Diagram

Printed wiring diagram for the main board.

Tuner Section Schematic Diagram

Main Board (1/3) Schematic

Schematic diagram for Main Board, part 1 of 3.

CD Section Schematic Diagram

Optical Pick-up Block Schematic

Schematic diagram of the optical pick-up block.

Deck Section Schematic Diagram

Power/Amplifier/Display Schematic

Power Board Schematic

Schematic diagram for the power board.

Transformer Board Schematic

Schematic diagram for the transformer board.

Printed Wiring Boards (Power/Amp/Display)

IC Block Diagrams

More IC Block Diagrams

FE1 FM Front End (US/AEP/EE/E/EA/AUS)

Schematic for FE1 FM Front End for specific regions.

FE1 FM Front End (G/IT)

Schematic for FE1 FM Front End for G/IT regions.

Pin Functions

IC505 Display Control Pin Functions

Details pin functions for IC505 Display Control.

IC201 CD Controller Pin Functions

Exploded Views

Case and Power Supply Block Exploded View

Exploded view of the case and power supply assembly.

Component Exploded Views

Front Panel and Main Board Block Exploded View

Exploded view of the front panel and main board assembly.

Mechanism Exploded Views

MD Chassis Block Exploded View

Exploded view of the MD chassis block.

Deck Mechanism Exploded Views

Deck Mechanism Block 1 Exploded View

Exploded view of Deck Mechanism Block 1.

Deck Mechanism Details

Deck Mechanism Block 2 Exploded View

Exploded view of Deck Mechanism Block 2.

CD Mechanism Exploded Views

CD Block 1 Exploded View

Exploded view of the CD Block, part 1.

CD Mechanism Details

CD Block 2 Exploded View

Exploded view of the CD Block, part 2.

Electrical Parts List

Block Diagrams

Electrical Parts List (Main Board)

Deck Section Electrical Adjustments

Playback Level Adjustment (Deck A/B)

Procedure for adjusting playback level for Deck A and Deck B.

Record Level Adjustment (Deck B)

Procedure for adjusting record level for Deck B.

Deck Section Adjustments (Continued)

Record Bias Adjustment (Deck B)

Procedure for adjusting record bias for Deck B.

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