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Sony HCD-M500AV User Manual

Sony HCD-M500AV
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HCD-M500AV
SERVICE MANUAL
HCD-M500AV is the tuner, deck, CD and
amplifier section in MHC-M500AV.
SPECIFICATIONS
COMPACT COMPONENT SYSTEM
— Continued on next page —
Model Name Using Similar Mechanism HCD-MC3AV
CD Mechanism Type CDM-46B1
Optical Pick-up Name KSM-213BFN/C2NP
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type TCM-230AWR21
CD
SECTION
TAPE DECK
SECTION
US Model
Amplifier section
U.S.A models:
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6 loads both channels driven, from 120 – 10,000 Hz; rated 75 W per
channel minimum RMS power, with no more than 10% total harmonic
distortion from 250 mW to rated output.
Front Speaker:
Continuous RMS power output
75 + 75 W
(6 at 1 kHz, 10% THD)
Total harmonic distortion
less than 0.09%
(6 at 1 kHz, 40 W)
Center Speaker:
Continuous RMS power output
35 W
(6 at 1 kHz. 10% THD)
Rear Speaker:
Continuous RMS power output
35 + 35 W
(6 at 1 kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jack):
voltage 250 mV/450 mV,
impedance 47 k
DVD
FRONT (phono jacks): voltage 450 mV,
impedance 47 k
REAR (phono jacks): voltage 450 mV,
impedance 47 k
CENTER (phono jacks): voltage 450 mV,
impedance 47 k
WOOFER (phono jacks): voltage 450 mV,
impedance 47 k
Outputs
PHONES (stereo phone jacks):
accepts headphones of 8 or more
FRONT SPEAKER: accepts impedance of 6 to 16
REAR SPEAKER: accepts impedance of 6 to 16
CENTER SPEAKER: accepts impedance of 6
SUPER WOOFER: voltage 1 V, impedance 1 k
Manufactured under license from Dolby
Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol ; and
“PRO LOGIC” are trademarks of Dolby
Laboratories Licensing Corporation.
Ver 1.1 2001. 07
9-929-288-12
2001G0200-1
© 2001.7
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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Sony HCD-M500AV Specifications

General IconGeneral
TypeMini Hi-Fi Component System
Power Output100 W
Number of Channels2
CD PlayerYes
CD ChangerNo
TunerYes
Tuner BandsFM/AM
Cassette DeckYes
Tape DeckYes
BluetoothNo
USB PortNo
Speakers2
Remote ControlYes

Summary

Amplifier Specifications

Power Output and Harmonic Distortion

Details amplifier power output and total harmonic distortion for front, center, and rear speakers.

System Specifications

Input and Output Terminals

Lists input/output types, voltage, and impedance for audio/video sources and speaker connections.

Component Specifications Overview

Details specifications for CD player, tape player, tuner, AM tuner, and general system information.

Safety Precautions

General Cautions and Laser Product

Highlights risks of incorrect adjustments and identifies laser product classification.

AC Leakage Safety Check Procedure

Details procedures for checking AC leakage from metal parts to earth ground.

Component Safety Warnings

Alerts to critical components identified by marks for safe operation.

Servicing Notes

Handling and Repair Precautions

Provides guidelines for handling optical pick-ups, laser diodes, chip components, and flexible circuits.

Front Panel Overview

Front Panel Controls and Indicators

Identifies and describes each control, button, and indicator on the front panel.

Rear Panel Overview

Rear Panel Connectors and Terminals

Identifies and describes all connectors and terminals located on the rear panel.

Basic Operations

Setting the Clock Time

Provides step-by-step instructions for setting the unit's clock time.

Disassembly Procedures

Case and Front Panel Removal

Details steps for removing the outer case and the front panel assembly.

Door Assy and Back Panel Removal

Outlines the process for disassembling the door assembly and removing the back panel.

Main Board and Power Transformer Removal

Describes the steps for removing the main board and the power transformer.

Sub Chassis and CD Mechanism Disassembly

Details the removal of the sub chassis and the CD mechanism deck.

CD Base Unit and BD Board Disassembly

Explains the steps for disassembling the CD base unit and the BD board/sled motor.

Optical Pick-up and Tape Mechanism Removal

Details the procedure for removing the optical pick-up and the tape mechanism deck.

Panel Board Disassembly

Provides instructions for disassembling the panel board, including component removal.

Cassette Board and Capstan Motor Removal

Explains how to remove the cassette board and the capstan motor.

Test Modes

System Resets and CD Initialization

Covers MC Cold/Hot Reset, CD Initial, CD Line Test, and CD Memo All Clear procedures.

GC Test and Aging Mode Operations

Explains GC Test Mode, key checks, VACS, and the aging mode entry/exit procedures.

Tuner, SRAM, and VACS Modes

Details AM Tuner step selection, CD SRAM test, and GC VACS ON/OFF modes.

Mechanical Adjustments

Tape Mechanism Torque Measurement

Provides torque specifications and measurement procedures for the tape mechanism.

CD Disc Sensor Alignment

Explains how to align the disc sensor using an oscilloscope.

CD Disc Sensor Alignment Procedure

Continues the procedure for CD disc sensor alignment, focusing on waveform observation and adjustment.

Magnet Assembly and Disc Holder Alignment

Details alignment procedures for the magnet assembly and disc holder A.

Electrical Adjustments

Tape Mechanism Adjustments

Outlines test tape usage and procedures for azimuth, tape speed, and playback level adjustments.

Deck Speed and Level Adjustments

Continues tape speed and playback level adjustments for DECK A/B, including sample values.

CD Section Adjustments

RF and E-F Balance Checks

Covers RF signal checks, E-F balance, and traverse waveform analysis.

S-Curve, RF Level, and PLL Checks

Details procedures for S-curve, RF level, and RF PLL free-run frequency checks.

Diagrams

CD Section Block Diagram

Presents a high-level block diagram of the CD section, showing signal paths and major components.

Main Section Schematic

Illustrates the main section schematic, detailing audio processing, power, and control signal flows.

Audio Section Schematic

Provides the schematic diagram for the audio section, including tuner, amplifier, and tape components.

Circuit Board Locations

Diagram Notes and Symbols Guide

Explains common notes for PWB diagrams and schematic symbols, including signal path indicators.

Printed Wiring Boards

BD Section PWB Layout

Shows the printed wiring board layout for the BD section, indicating component placement.

CD Motor Section PWB Layout

Displays the printed wiring board layout for the CD motor section, including sensor and door switch boards.

Audio Section PWB Layout

Illustrates the printed wiring board layout for the audio section, detailing component placement on the cassette board.

Schematic Diagrams

BD Section Schematic Diagram

Provides the schematic diagram for the BD section, illustrating circuit connections and component functions.

CD Motor Section Schematic

Presents the schematic diagram for the CD motor section, showing sensor and motor control circuits.

Audio Section Schematic

Provides the schematic diagram for the audio section, focusing on the cassette board and leaf switch board circuits.

Main Section Schematics

Main Schematic (1/6) - RF and Tuner Stages

Shows the first part of the main section schematic, covering RF and FM/AM tuner input stages.

Main Schematic (1/6) - Continued

Continues the main section schematic, detailing RF amplifier, PLL, and tuner circuitry.

Main Schematic (2/6) - Master Control

Presents the second part of the main section schematic, focusing on the master control IC and related circuits.

Main Schematic (3/6) - DSP and Mix Amp

Illustrates the third part of the main section schematic, covering DSP and mixing amplifier circuits.

Main Schematic (4/6) - Volume and Control

Shows the fourth part of the main section schematic, detailing volume controls and various signal processing paths.

Main Schematic (5/6) - System Control

Provides the fifth part of the main section schematic, focusing on system control IC and power management.

Main Schematic (6/6) - Power Supply

Presents the final part of the main section schematic, detailing power supply circuits and fan control.

Power Section Diagrams

Power Section PWB and Schematic Overview

Shows the printed wiring board and schematic diagram for the power section, including transformer and regulator circuits.

Panel Section Diagrams

Panel Section PWB Layouts

Displays the printed wiring board layouts for the panel section, including panel, CD LED, and door LED boards.

Panel Section Schematic

Provides the schematic diagram for the panel section, illustrating display control and keypad matrix circuits.

Amplifier Section Diagrams

Front Amp and Phones Board PWB Layouts

Shows the PWB layouts for the front amplifier and phones boards, detailing component placement.

Front Amp Section Schematic

Provides the schematic diagram for the front amplifier section, including power output stages and protection circuits.

Rear Amp Section Schematic

Details the schematic diagram for the rear amplifier section, including surround and center speaker outputs.

Rear Amp Section PWB Layout

Shows the printed wiring board layout for the rear amplifier section, indicating component placement and connections.

Technical Reference

Waveform Descriptions

Illustrates and describes various waveforms observed during CD section testing, including RF and S-curve signals.

IC Pin Functions (CD Section)

Lists pin functions for key ICs in the CD section, such as LA9240M and LC72136.

IC Pin Functions (CD Section - Continued)

Continues the description of IC pin functions, covering more details for LA9240M and related circuits.

IC Pin Functions (Main Board - IC401)

Details the pin functions for IC401 (CXP84632-158Q) on the main board, responsible for CD changer control.

IC Pin Functions (Main Board - IC401 Continued)

Continues the pin function descriptions for IC401 (CXP84632-158Q), covering pins 29 through 64.

IC Pin Functions (Main Board - IC501)

Lists the pin functions for IC501 (CXP84632-159Q) on the main board, acting as the master control IC.

IC Pin Functions (Main Board - IC501 Continued)

Details the pin functions for IC501 (CXP84632-159Q), covering pins 6 through 50.

IC Pin Functions (Main Board - IC501 Continued)

Continues the pin function descriptions for IC501 (CXP84632-159Q), covering pins 51 through 80.

IC Pin Functions (Panel Board - IC601)

Lists the pin functions for IC601 (TMP87CM74AF-1G57) on the panel board, responsible for display control.

IC Block Diagrams

Panel, Main, and Cassette IC Block Diagrams

Shows block diagrams for IC603 (Panel), IC461 (Main), and IC301/IC361 (Cassette) boards.

Main Board IC Block Diagrams (IC101, IC201)

Provides block diagrams for IC101 (TDA7440D) and IC201 (M62464FP) on the main board.

Main Board IC Block Diagrams (IC1, IC2)

Shows block diagrams for IC1 (LA1833N) and IC2 (LC72136) on the main board, related to tuner functions.

Exploded Views

Case Section Exploded View

Illustrates the exploded view of the case section, detailing parts and their assembly order.

Front Panel Section Exploded View

Shows the exploded view of the front panel section, listing all components and their part numbers.

Chassis Section Exploded View

Provides the exploded view of the chassis section, detailing internal mechanical parts and transformers.

Mechanism Deck Section-1 Exploded View

Illustrates the first part of the mechanism deck exploded view, focusing on the CD mechanism components.

Mechanism Deck Section-2 Exploded View

Shows the second part of the mechanism deck exploded view, detailing motors, sensors, and gears.

Optical Pick-up Section Exploded View

Provides the exploded view of the optical pick-up section, showing the laser assembly and related parts.

Tape Mechanism Deck Section Exploded View

Illustrates the exploded view of the tape mechanism deck, detailing belts, levers, and pinch components.

Electrical Parts List

BD Board Parts List

Lists electrical components for the BD board, including capacitors, connectors, diodes, ICs, and resistors.

BD Board Parts List (Continued)

Continues the list of electrical components for the BD board, detailing resistors and capacitors.

Cassette, CD Door, and CD LED Parts

Lists components for Cassette, CD Door, and CD LED boards, including transistors, resistors, and diodes.

CD Motor, Disc Sensor, Door LED, and Front Amp Parts

Lists components for CD Motor, Disc Sensor, Door LED, and Front Amp boards, including ICs, transistors, and resistors.

Front Amp, SP Term, and Main Board Parts

Lists components for Front Amp, SP Term, and Main boards, including resistors, connectors, and capacitors.

Main Board Parts (Continued)

Continues the list of electrical components for the Main board, detailing capacitors, connectors, and diodes.

Main Board Parts (Continued)

Continues the list of electrical components for the Main board, including capacitors, connectors, and diodes.

Main Board Parts (Continued)

Continues the list of electrical components for the Main board, detailing transistors and diodes.

Main Board Parts (Continued)

Continues the list of electrical components for the Main board, primarily detailing resistors.

Main and Panel Board Parts

Lists components for Main and Panel boards, including resistors, switches, connectors, and capacitors.

Panel Board Parts (Continued)

Continues the list of electrical components for the Panel board, including capacitors, diodes, ICs, and transistors.

Panel, Phone, and Rear Amp Parts

Lists components for Panel, Phone, and Rear Amp boards, including switches, diodes, and transistors.

Rear Amp Board Parts

Details electrical components for the Rear Amp board, including capacitors, resistors, transistors, and diodes.

Rear Term, Sub Trans, and Transformer Parts

Lists components for Rear SP Term, Sub Trans, and Transformer sections, including connectors, diodes, and fuses.

Miscellaneous Parts

Lists miscellaneous parts such as wires, cords, motors, transformers, and the optical pick-up unit.

Revision History

Service Manual Revision Log

Provides a log of revisions made to the service manual, including version number, date, and description.

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