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Sony HTC-NX1 User Manual

Sony HTC-NX1
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MICROFILM
SERVICE MANUAL
CD
Section
Tape Deck
Section
Model Name Using Similar Mechanism HCD-MD555
CD Mechanism Type CDM53D-K1BD33
Base Unit Name Type BU-K1BD33
Optical Pick-up Name KSM-213BFN-C2NP
Model Name Using Similar Mechanism HCD-GRX7
Tape Transport Mechanism Type TCM-230AWR2
MINI Hi-Fi COMPONENT SYSTEM
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Tourist Model
SPECIFICATIONS
HTC-NX1
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
HTC-NX1 is the CD player and Tape
Deck section in MHC-NX1/NX3AV.
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Sony HTC-NX1 Specifications

General IconGeneral
BrandSony
ModelHTC-NX1
CategoryStereo System
CD PlayerYes
Cassette DeckYes
BluetoothNo
Remote ControlYes
Speakers2
TypeMini System
Supported MediaCD
TunerFM, AM
Weight4.5 kg

Summary

Specifications

CD Player Section

Details about the CD playback system, laser type, and output characteristics.

Tape Player Section

Specifications for the tape deck, including recording system and frequency response.

Servicing Notes

Laser Safety and Handling Precautions

Information on CLASS 1 LASER product classification and safe handling of the optical pick-up.

Component Handling and Repair Notes

Guidelines for handling chip components, flexible circuit boards, and general repair cautions.

Power Supply During Servicing

Procedure for powering the unit during service, especially when external power is required.

Optical Pick-up Cleaning

Step-by-step guide for cleaning the optical pick-up lens with specific instructions.

General

Location of Controls - Front Panel

Identification and description of the front panel controls and indicators on the unit.

Disassembly

Case and Front Panel Section Removal

Procedures for removing the main case and the front panel assembly from the unit.

CD and Tape Mechanism Deck Removal

Steps for removing the CD mechanism deck and the tape mechanism deck sections.

CD Base Unit and Main Board Removal

Procedures for removing the CD base unit and the main circuit board.

Fitting Base, Bracket, Magnet Assembly, and Tray Removal

Steps for disassembling the fitting base, bracket, magnet assembly, and tray.

Chassis, Stocker, Slider, and Gear Installation

Instructions for assembling the chassis, stocker, slider, and gear mechanisms.

Slider and Stocker Section Installation

Details on installing the slider (selection) and stocker sections of the mechanism.

Chassis (Mold B) Section Installation

Instructions for installing the chassis (mold B) section, including gear and slider placement.

Test Mode

LED All Lit, Key Check Mode

Procedure to activate a mode where all LEDs light up for key function testing.

CD Delivery Mode

Mode to move the optical pick-up to a vibration-durable position for customer return.

Tape Deck Test Mode

Test mode for the tape deck, with variations based on connection to STR-NX1/NX3 or power feed jig.

Mechanical Adjustments

Torque Measurement

Specifications and procedures for measuring torque on various mechanical parts during adjustments.

Electrical Adjustments

Tape Deck Section Adjustments

Settings and procedures for tape deck electrical adjustments, including test tape usage.

Tape Speed and Playback Level Adjustments

Procedures for adjusting tape speed and playback level for both decks.

REC Bias and REC Level Adjustments

Procedures for adjusting recording bias and recording level for the tape deck.

Diagrams

S-Curve and RF Level Checks

Procedures for checking the S-curve and RF signal level using an oscilloscope.

Notes for Printed Wiring Boards and Schematic Diagrams

General notes and conventions used for interpreting wiring boards and schematic diagrams.

Circuit Boards Location

Diagram showing the physical location of various circuit boards within the unit.

Printed Wiring Board - BD Board

Printed wiring layout for the BD board, showing component placement on both sides.

Schematic Diagram - BD Board

Schematic circuit diagram for the BD board, detailing connections and components.

Printed Wiring Boards - CD Motor/Sensor Section

Printed wiring layouts for CD motor and sensor related boards.

Schematic Diagram - CD Motor/Sensor Section

Schematic circuit diagram for CD motor and sensor related boards.

Printed Wiring Board - Audio Board

Printed wiring layout for the main audio board, showing component placement.

Schematic Diagram - Audio Board

Schematic circuit diagram for the main audio board, detailing signal paths and components.

Printed Wiring Board - LEAF SW Board

Printed wiring layout for the LEAF SW board.

Schematic Diagram - LEAF SW Board

Schematic circuit diagram for the LEAF SW board.

Printed Wiring Board - MAIN Board

Printed wiring layout for the main board, showing component positions.

Schematic Diagram - MAIN Board (1/2)

Part one of the schematic diagram for the main board, showing circuit connections.

Schematic Diagram - MAIN Board (2/2)

Part two of the schematic diagram for the main board, continuing circuit connections.

Printed Wiring Boards - Panel Section

Printed wiring layouts for the panel boards (TC-A, TC-B).

IC Pin Function Description

MAIN BOARD IC101 Pin Functions

Detailed pinout and function description for IC101 on the main board.

Exploded Views

Case, Chassis Section Exploded View

Exploded diagram of the unit's case and chassis, with part numbers.

Front Panel Section Exploded View

Exploded diagram of the front panel section, showing assembly details.

CD Mechanism Deck Section-1 Exploded View

Exploded diagram of the CD mechanism deck section (part 1).

CD Mechanism Deck Section-2 Exploded View

Exploded diagram of the CD mechanism deck section (part 2).

CD Base Unit Section Exploded View

Exploded diagram of the CD base unit, showing its components and assembly.

Tape Mechanism Deck Section-1 Exploded View

Exploded diagram of the tape mechanism deck section (part 1).

Tape Mechanism Deck Section-2 Exploded View

Exploded diagram of the tape mechanism deck section (part 2).

Electrical Parts List

Capacitors, Coils, Transistors, Resistors, Connectors

Lists of capacitors, coils, transistors, resistors, and connectors for the audio section.

Variable Resistors, Transformers, ICs, and Ferrite Beads/Shorts

Components including variable resistors, transformers, ICs, and ferrite beads.

Diodes, ICs, Switches, and Photo Interrupters

Lists of diodes, ICs, switches, and photo interrupters used in various boards.

Capacitors and Resistors

Lists of capacitors and resistors for LEAF SW, LOAD MOTOR, and MAIN boards.

Connectors, Diodes, Coils, and Transistors

Lists of connectors, diodes, coils, and transistors from the MAIN board.

Resistors, Variable Resistors, and Vibrators

Lists of resistors, variable resistors, and vibrators for MAIN, OUT SW, and PANEL boards.

LEDs, Transistors, and Switches

Lists of LEDs, transistors, and switches found on PANEL boards.

Miscellaneous Components and Hardware

Final lists of resistors, switches, LEDs, miscellaneous parts, and hardware.

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