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Sony HCD-GRX90AV User Manual

Sony HCD-GRX90AV
74 pages
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HCD-GRX90AV/RXD10AV
US Model
Canadian Model
AEP Model
UK Model
HCD-RXD10AV
E Model
Australian Model
HCD-GRX90AV
SPECIFICATIONS
Photo: HCD-RXD10AV (E model)
COMPACT DISC DECK RECEIVER
— Continued on next page —
Model Name Using Similar Mechanism HCD-GRX80/RXD8/RXD8S
CD Mechanism Type CDM38LH-5BD32L
Base Unit Type BU-5BD32L
Optical Pick-up Type KSS-213D/Q-N
Model Name Using Similar Mechanism HCD-GRX8/R800/RX88/RX99
Tape Transport Mechanism Type TCM-230AWR2/230PWR2
CD
SECTION
TAPE DECK
SECTION
MICROFILM
SERVICE MANUAL
HCD-GRX90AV/RXD10AV is the
tuner, deck, CD and amplifier section
in MHC-GRX90AV/RXD10AV.

Table of Contents

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Sony HCD-GRX90AV Specifications

General IconGeneral
TypeStereo System
Power Output100 W
CD PlayerYes
CD Player Type5-Disc Changer
Tuner BandsAM/FM
Cassette DeckYes
Remote ControlYes
Output Power50W + 50W
Disc CompatibilityCD, CD-R, CD-RW
Dimensions (W x H x D)360 x 333 x 430 mm
Weight5.5 kg

Summary

Safety Precautions and Component Handling

Radiation Exposure Caution

Warns about hazardous radiation exposure from controls or adjustments.

Laser Safety Warning

Alerts users that the laser component can emit Class 1 radiation.

Model Identification and Handling Notes

Optical Pick-up and Laser Diode Handling

Provides precautions for handling optical pick-up blocks and checking laser diode emission.

Safety-Related Component Warning

Highlights critical components for safe operation and replacement guidelines.

Safety Check-out Procedures

AC Leakage Testing

Details methods and limits for measuring AC leakage from exposed metal parts to ground.

Servicing Notes and Procedures

Disassembly Procedures

Disassembly of Cassette and CD Sections

Service Mode Operations

Reset Modes (Cold/Hot/Sled Servo)

Explains MC Cold Reset, CD Delivery Mode, MC Hot Reset, and Sled Servo Mode procedures.

AM Tuner Step and Indicator Check Modes

Details how to change AM tuner steps and activate the LED/indicator key check mode.

Advanced Service Modes

AMS Test Mode Procedure

Instructions for testing AMS operations on the tape deck using specific test tapes.

Aging Mode and Sequence

Describes the aging mode procedure and the detailed sequence for tape deck and CD player.

Error Handling and History Display

Abnormal End Display and Error History

Explains how errors are displayed for tape deck and CD player, and how to access error history.

Mechanical Adjustments

Electrical Adjustments - Deck Section

Record/Playback Head Azimuth Adjustment

Details the procedure for adjusting head azimuth for both decks using a test tape and level meter.

Tape Speed and Playback Level Adjustments

Tape Speed Adjustment Procedure

Steps for adjusting tape speed for Deck A using a test tape and frequency counter.

Playback Level Adjustment Procedure

Instructions for adjusting playback signal level for both Deck A and Deck B channels.

Tape Deck Bias and Level Adjustments

Record Bias Adjustment (Deck B)

Procedure for adjusting record bias on Deck B, including signal input and adjustment levels.

Record Level Adjustment (Deck B)

Steps for setting the record input signal level for Deck B, with adjustment locations.

CD Section Checks

S Curve and RF Signal Checks

Procedures for checking the CD player's S-curve and RF signal waveforms.

CD Section Block Diagrams

CD Player Signal Path

Illustrates the signal flow within the CD player, from the optical pick-up to digital processing.

Deck Section Block Diagrams

Tape Deck Signal Path

Depicts the signal flow for the tape deck, including playback, recording, and Dolby NR circuits.

Main Section Block Diagrams

Main System Signal Flow

Shows the signal paths for audio inputs, CD, deck, and tuner to the main processing and output stages.

Main Power and Sub-Power Section

Power Supply Circuitry

Illustrates the power supply circuits, including voltage regulation and protection features.

Schematic Diagrams - CD Section

BD (CD) Board Schematics

Provides detailed circuit diagrams for the BD (CD) board, including ICs and component connections.

Main Section Schematic Diagrams (1/4)

Main Board Circuitry (Part 1)

Detailed schematics for the first quarter of the main board, showing processors and input/output circuits.

Main Section Schematic Diagrams (2/4)

Main Board Circuitry (Part 2)

Continues the main board schematics, covering audio signal processing and Dolby circuits.

Main Section Schematic Diagrams (3/4)

Main Board Circuitry (Part 3)

Further main board schematics, detailing control logic, power management, and interface circuits.

Main Section Schematic Diagrams (4/4)

Main Board Circuitry (Part 4)

Completes the main board schematics, showing power supply outputs and fan control circuits.

Schematic Diagrams - Leaf SW Section

Leaf SW Board Circuitry

Detailed schematics for the Leaf SW board, illustrating tape mechanism control circuits.

Schematic Diagrams - Deck Section (Audio Board)

Audio Board Circuitry

Provides detailed schematics for the audio board, covering playback and recording amplification circuits.

Schematic Diagrams - Front Panel Section

Front Amp Board Circuitry

Detailed schematics for the front amp board, including power output stages and protection circuits.

Schematic Diagrams - Panel Section (1/2)

Panel Board Circuitry (Part 1)

Detailed schematics for the first half of the panel board, showing display control and remote receiver circuits.

Schematic Diagrams - Panel Section (2/2)

Panel Board Circuitry (Part 2)

Continues panel board schematics, covering CD SW board interface and various controls.

Schematic Diagrams - Surround Section

3CH Amp Board Circuitry

Details the circuitry for the 3-channel amplifier, including input and output stages.

Schematic Diagrams - CD Motor Section

CD Motor Control Circuits

Illustrates the circuitry for controlling the CD slide, turn, and sensor motors.

Schematic Diagrams - Trans Section

Schematic Diagrams - Sub Trans Section (RXD10AV)

IC Pin Functions - Main Board

IC Pin Functions (Continued)

IC Pin Functions - Panel Board

Electrical Parts List - 3CH Amplifier

Electrical Parts List - Audio Section

Electrical Parts List - Audio Board

Electrical Parts List - CD SW Board

Electrical Parts List - Front Amp Board

Electrical Parts List - Front Amp/Leaf SW

Electrical Parts List - Leaf SW Components

Electrical Parts List - Main Board (Capacitors)

Electrical Parts List - Main Board (Capacitors Continued)

Electrical Parts List - Main Board (Diodes, ICs, Transistors)

Electrical Parts List - Main Board (Resistors)

Electrical Parts List - Main Board (Resistors Continued)

Electrical Parts List - Main Board (Resistors Continued 2)

Electrical Parts List - Panel Board

Electrical Parts List - Panel Board (Resistors)

Electrical Parts List - Sub Trans Board

Electrical Parts List - Sub Trans (Continued)

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