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Sony HCD-H12 Service Manual

Sony HCD-H12
54 pages
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Sony HCD-H12 Specifications

General IconGeneral
BrandSony
ModelHCD-H12
CategoryReceiver
LanguageEnglish

Summary

Product Specifications

CD Player Specifications

Details of the CD player section, including system and laser specs.

Tuner Specifications

Technical details for FM and AM tuning, including frequency ranges and antenna terminals.

Amplifier Specifications

Power output ratings for the amplifier section, including continuous and peak music power.

Cassette Deck Specifications

Recording system and frequency response for the cassette deck, with Dolby NR status.

General Specifications

Power requirements and consumption for different regions.

General Information and Controls

Location and Function of Controls

Identifies and explains the purpose of all buttons and indicators on the front panel.

Remote Commander and Display Window Functions

Explains the controls and indicators on the remote commander and the unit's display.

Disassembly Procedures

Case and Loading Panel Removal

Step-by-step guide for removing the main case and loading panel of the unit.

Front Panel and Cassette Lid Removal

Procedure for removing the front panel assembly and cassette lid mechanism.

Mechanism and Board Removals

Guide for disconnecting and removing the TC mechanism block and main circuit board.

Power Block Removal

Steps for safely removing the power supply block from the unit.

System Adjustments

Mechanical Adjustments

Procedures and torque specifications for mechanical adjustments like tape tension.

Electrical Adjustments

Detailed procedures for electrical adjustments in the deck section, including test tape usage.

Head Azimuth Adjustment

Steps to adjust the record/playback head azimuth for optimal tape playback.

Tape Speed Adjustment

Procedure for adjusting tape speed using test tapes and frequency counters.

Record Bias and Level Adjustments

Steps for setting record bias levels and input levels for optimal tape recording.

Playback Level Adjustment

Procedure for adjusting playback signal levels for accurate audio reproduction.

Tuner and CD Section Adjustments

FM and AM Tuner Adjustments

Adjustments for FM and AM reception, including signal generator setup.

SW Tuner Adjustments

Adjusting voltage levels and tracking for the SW (Shortwave) circuit.

CD Section Adjustment Procedures

Procedures for checking S-curve, RF level, and E-F balance for CD playback.

RF PLL Free-run Frequency Check

Measuring the free-run frequency of the RF PLL circuit for CD operation.

CD Focus and Tracking Gain Note

Advisory note regarding focus/tracking gain adjustment, recommending against it unless critical.

System Diagrams

Block Diagram

Overview of the main functional blocks and their interconnections within the system.

Circuit Board Location

Visual guide showing the physical placement of various circuit boards within the unit.

Printed Wiring Boards - Main Section

Layout of components and traces on the main printed wiring board.

Schematic Diagram - Main Section

Detailed schematic of the main circuit board, showing component connections and values.

Schematic Diagram - Deck Section

Schematic diagram illustrating the circuitry of the tape deck mechanism.

Printed Wiring Boards - Deck Section

Layout of components and traces on the printed wiring boards for the deck section.

Printed Wiring Boards - Display Section

Layout of components and traces on the printed wiring board for the display unit.

Schematic Diagram - Display Section

Schematic diagram detailing the circuitry for the unit's display.

Schematic Diagram - CD Section

Detailed schematic of the CD player section's electronic components and connections.

Semiconductor Component Details

Semiconductor Lead Layouts

Diagrams showing the pin configurations and lead orientations of various semiconductor components.

Exploded Views and Parts

Case and Power Section Exploded View

Diagram showing the assembly of the unit's case and power supply components.

Front Panel Section Exploded View

Exploded view illustrating the assembly of the front panel and its controls.

Mechanism Deck Chassis Section Exploded View

Diagram showing the mechanical chassis and components of the tape deck mechanism.

CD Mechanism Exploded Views

Exploded views illustrating the assembly of the CD mechanism components.

Electrical Parts List

Capacitors

List of all capacitors with part numbers, values, and specifications.

Connectors

Listing of all connectors used in the system, including pin counts.

Diodes

Catalog of diodes with part numbers and types.

Integrated Circuits (ICs)

List of all integrated circuits, including part numbers and functions.

Resistors

Comprehensive list of resistors with part numbers and values.

Transistors

Comprehensive list of transistors, including part numbers and characteristics.

BD(A) Board Components

List of components specific to the BD(A) board, including ICs, diodes, and resistors.

Main Board Components

Listing of components such as capacitors, filters, and connectors for the Main board.

Power Section Components

Components list for the power section, including transistors, resistors, and capacitors.

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