EasyManua.ls Logo

Sony HCD-GR8 Service Manual

Sony HCD-GR8
99 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
AEP Model
UK Model
HCD-RX90
E Model
Australian Model
Tourist Model
HCD-GR8
SERVICE MANUAL
HCD-GR8/RX90
HCD-GR8/RX90 is the tuner, deck, CD and
amplifier section in MHC-GR8/RX90.
Model Name Using Similar Mechanism HCD-GR7/RX70
CD Mechanism Type
CDM38L-5BD29AL
Base Unit Name BU-5BD29AL
Optical Pick-up Name
KSS-213D/Q-NP
Model Name Using
Similar Mechanism HCD-H881
Tape Transport Mechanism Type TCM-220WR2
CD
Section
Tape deck
Section
SPECIFICATIONS
* Dolby noise reduction manufactured
under license from Dolby Laboratories
Licensing corporation.
"DOLBY" and the double-D symbol a
are trademarks of Dolby Laboratories
Licensing Corporation.
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 600 nm
Output Level –18 dBm
Tape player section
Recording system 4-track 2-channel stereo
Frequency response 60 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I casstte
60 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
Wow and flutter ±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
– Continued on next page –
Amplifier section
DIN power output (RX90)
80+80 watts
(8 ohms, at 1kHz, DIN)
Continuous RMS power output
RX90: 100+100 watts
(8ohms at 1kHz, 10% THD)
GR8: 90+90 watts
(8ohms at 1kHz, 10% THD)
Peak music power output
GR8: 1500 watts
Music power output
RX90: 160+160 watts
(8ohms at 1kHz, 10% THD)
Inputs VIDEO/MD IN (phono jacks):
voltage 250 mV, impedance
47 kilohms MIX MIC (phone
jack): sensitivity 1 mV,
impedance 10 kilohms
Outputs VIDEO/MD OUT (phone
jacks): voltage 250 mV
impedance 1 kilohms
PHONES (stereo phone jack):
accepts headphones of 8 ohms
or more.
SPEAKER:
accepts impedance of 8 to 16
ohms
SURROUND SPEAKER:
accepts impedance of 16
ohms.
SUPER WOOFER:
Voltage 1 V, impedance 1 kilo
ohm
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Laser output Max. 44.6 µW*
*This output is the value
measured at a distance of 200
mm from the objective lens
surface on the Optical Pick-up
Block with 7 mm aperture.
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wavelength 780 – 790 nm
Photo: HCD-RX90
MINI Hi-Fi COMPONENT SYSTEM
Ver 1.1 2002.06
9-960-881-12 Sony Corporation
2002F0500-1 Home Audio Company
C 2002.06 Published by Sony Engineering Corporation

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Sony HCD-GR8 and is the answer not in the manual?

Sony HCD-GR8 Specifications

General IconGeneral
CD PlayerYes
TunerFM/AM
USB PortNo
MP3 PlaybackYes
Remote ControlYes
BluetoothNo
TypeMini Hi-Fi System
FunctionsCD
Tuner BandsFM, AM

Summary

SPECIFICATIONS

CD player section

Details specifications for the CD playback system.

Tape player section

Details specifications for the tape playback system.

SERVICING NOTES

Handling Optical Pick-up Block

Precautions for handling the optical pick-up block or base unit.

Laser Diode Emission Check

Guidelines for safely checking laser diode emission.

Chip Component Replacement

Notes on replacing chip components, especially tantalum capacitors.

SECTION 1 GENERAL

Getting Started

Guide to setting up and connecting the system for initial use.

Hooking up the system

Step-by-step instructions for connecting speakers and antennas.

Setting the time

Procedure for setting the system's clock and timer functions.

Presetting radio stations

Guide to saving radio stations into memory for quick access.

Connecting optional AV components

Instructions for connecting external audio and video devices.

Basic Operations

Core operational functions of the system.

Other Features

Additional functions and system features.

Singing along: Karaoke

Instructions for using the karaoke function, including voice reduction.

Sleep Timer

Setting the timer for the system to turn off after a specified duration.

Waking up to music

Setting the Wake-up Timer to start playback at a specific time.

Timer-recording radio programmes

Recording radio programs automatically using the timer function.

Additional Information

Supplementary information and precautions for system use.

Precautions

Important safety and operational precautions for the system.

Basic Operations

Playing a CD

How to play CDs, including normal play and disc exchange.

Recording a CD

Instructions for recording CDs onto tape using CD Synchro.

Listening to the radio

How to tune and listen to preset radio stations.

Recording from the radio

Procedure for recording radio broadcasts onto tape.

Playing a tape

How to play audio tapes in deck A or B.

Recording from a tape

Instructions for dubbing tapes, including high-speed dubbing.

The CD Player

Features and operations related to the CD playback functionality.

Programming the CD tracks

How to create custom playback sequences for CDs.

Playing CDs without interruption

Features for continuous playback or mixing applause between tracks.

The Tape Deck

Manual operations for recording and playing tapes.

Recording a CD by specifying track order

Recording CDs onto tape with a specified track sequence.

Selecting tape length automatically

Function to automatically select tape length for recording.

DJ Effects

Special audio effects for creative sound manipulation.

Using the beat function

Creating rhythms automatically using the beat function.

Sound Adjustment

Adjusting sound settings like bass reinforcement and headphone output.

Switching the Speaker Formation

Selecting different speaker configurations for various listening situations.

Using the Radio Data System (RDS)

Utilizing RDS features for station information and program type search.

SECTION 2 DISASSEMBLY

CASE

Instructions for removing the outer case of the unit.

FRONT PANEL SECTION

Steps for disassembling the front panel assembly.

CD MECHANISM DECK SECTION

Disassembly steps for the CD mechanism deck.

TAPE MECHANISM DECK SECTION

Disassembly steps for the tape mechanism deck.

BASE UNIT

Disassembly of the base unit assembly.

MAIN BOARD

Steps for accessing and removing the main circuit board.

TRAY SECTION

Disassembly steps for the disc tray mechanism.

BD BOARD

Steps for disassembling the BD (Blu-ray Disc) board.

OPTICAL PICK-UP, SLED MOTOR

Disassembly of the optical pick-up and sled motor assembly.

AUDIO BOARD

Disassembly procedures for the audio circuit board.

CAPSTAN MOTOR

Steps for removing the capstan motor assembly.

SECTION 3 TEST MODE

[MC Cold Reset]

Resets all data, including preset data, to initial conditions.

[CD Delivery Mode]

Moves the pickup to a position durable to vibration for shipping.

[MC Hot Reset]

Resets the preset data while keeping it stored in memory.

[Sled Servo Mode]

Allows free operation of the CD sled motor, useful for cleaning.

[Change-over of AM Tuner Step]

Adjusts the AM tuner step between 9kHz and 10kHz.

[LED and Fluorescent Indicator Tube All Lit]

Activates all LEDs and the fluorescent tube for key check mode.

[Aging Mode]

1. Aging Mode in CD Section

Operating method and sequence for CD aging mode.

2. Aging Mode in Tape Deck Section

Operating method and sequence for tape deck aging mode.

SECTION 4 MECHANICAL ADJUSTMENTS

PRECAUTION

Important precautions before performing mechanical adjustments.

Torque Measurement

Specifications and methods for torque measurements.

Tape Tension Measurement

Specifications and methods for tape tension measurements.

SECTION 5 ELECTRICAL ADJUSTMENTS

DECK SECTION

Electrical adjustments specific to the tape deck section.

Record/Playback Head Azimuth Adjustment

Adjusting the azimuth for optimal record/playback head alignment.

Tape Speed Adjustment

Adjusting tape playback speed for accurate recording and playback.

Playback level Adjustment

Adjusting playback signal levels for optimal output.

Record bias Current Adjustment

Record Level Adjustment

TUNER SECTION

AM Section Adjustment

Adjustments for the AM reception section.

AM Tuned Level Adjustment

Adjusting the input signal level for AM tuning.

FM Section Adjustment

Adjustments for the FM reception section.

FM Tuned Level Adjustment

Adjusting the input signal level for FM tuning.

SW OSC Voltage Adjustment

SW Tracking Adjustment

FM Polar Adjustment

CD SECTION

S Curve Check

Performing an S-curve check on the CD pickup for signal symmetry.

RF Level Check

Checking the RF signal level for optimal CD playback.

E-F Balance (1 Track Jump) check

SECTION 6 DIAGRAMS

Circuit Boards Location

Illustration showing the location of various circuit boards within the unit.

6-1. PRINTED WIRING BOARD -TUNER Section -

Printed wiring diagram for the tuner section.

6-2. SCHEMATIC DIAGRAM -TUNER Section -

Schematic diagram for the tuner section.

6-3. PRINTED WIRING BOARD CD Section

Printed wiring diagram for the CD section.

6-4. SCHEMATIC DIAGRAM - CD Section -

Schematic diagram for the CD section.

6-5. PRINTED WIRING BOARDS CD MOTOR Section

Printed wiring diagrams for CD motor boards.

6-6. SCHEMATIC DIAGRAM - CD MOTOR Section -

Schematic diagram for the CD motor section.

6-7. PRINTED WIRING BOARDS - DECK Section -

Printed wiring diagrams for the tape deck section.

6-8. SCHEMATIC DIAGRAM - DECK Section -

Schematic diagram for the tape deck section.

6-9. SCHEMATIC DIAGRAM - MAIN/POWER Section

Schematic diagram for the main and power supply sections.

6-10. PRINTED WIRING BOARDS - MAIN/POWER Section

Printed wiring diagrams for main and power boards.

6-11. SCHEMATIC DIAGRAM - PANEL Section

Schematic diagram for the panel section, including display and controls.

6-12. PRINTED WIRING BOARDS - PANEL Section

Printed wiring diagrams for the panel section.

6-13. PRINTED WIRING BOARD - POWER AMP Section -

Printed wiring diagram for the power amplifier section.

6-14. SCHEMATIC DIAGRAM - POWER AMP Section -

Schematic diagram for the power amplifier section.

IC Block Diagrams

IC21 LC72130 (TCB BOARD)

Block diagram for IC21, LC72130, on the TCB board.

IC41 LA1835 (TCB BOARD)

Block diagram for IC41, LA1835, on the TCB board.

IC1701 IR3R42 (TCB BOARD)

Block diagram for IC1701, IR3R42, on the TCB board.

IC1702 MC14053BCP (TCB BOARD)

Block diagram for IC1702, MC14053BCP, on the TCB board.

IC101 CXA1992AR (BD BOARD)

Block diagram for IC101, CXA1992AR, on the BD board.

IC102 BA5941FP-E2 (BD BOARD)

Block diagram for IC102, BA5941FP-E2, on the BD board.

IC103 CXD2519Q (BD BOARD)

Block diagram for IC103, CXD2519Q, on the BD board.

IC281 μPC1237HA (MAIN BOARD)

Block diagram for IC281, μPC1237HA, on the main board.

IC602 μPC1330HA (AUDIO BOARD)

Block diagram for IC602, μPC1330HA, on the audio board.

IC701 M54641L (MOTOR (TURN) BOARD)

Block diagram for IC701, M54641L, on the motor turn board.

IC801 BA6286N (MOTOR (SLIDE) BOARD)

Block diagram for IC801, BA6286N, on the motor slide board.

IC901 LA5617 (MAIN BOARD)

Block diagram for IC901, LA5617, on the main board.

IC1502 LB1641(MAIN BOARD)

Block diagram for IC1502, LB1641, on the main board.

IC401 MSM6653A-485RS (DJ BOARD)

Block diagram for IC401, MSM6653A-485RS, on the DJ board.

6-15. IC PIN FUNCTION DESCRIPTION

MAIN BOARD IC301 µPD780018YGF-011-3BA (MASTER CONTROL)

Pin function description for the main control IC on the main board.

PANEL BOARD

IC601 TMP87CH75F-6543 (GRAPHIC CONTROL)

Pin function description for IC601 on the panel board.

SECTION 7 EXPLODED VIEWS

(1) CASE, MD ASS'Y SECTION

Exploded view of the case and MD assembly section.

(2) FRONT PANEL SECTION

Exploded view of the front panel assembly.

(3) CHASSIS SECTION

Exploded view of the main chassis and power components.

(4) CD MECHANISM DECK SECTION-1

Exploded view of the first part of the CD mechanism deck.

(5) CD MECHANISM DECK SECTION-2

Exploded view of the second part of the CD mechanism deck.

(6) BASE UNIT SECTION

Exploded view of the base unit assembly with optical pick-up.

(7) TAPE MECHANISM DECK SECTION-1

Exploded view of the first part of the tape mechanism deck.

(8) TAPE MECHANISM DECK SECTION-2

Exploded view of the second part of the tape mechanism deck.

SECTION 8 ELECTRICAL PARTS LIST

AUDIO

Parts list for audio components, including capacitors, connectors, ICs, and resistors.

BD

Parts list for components on the BD board.

CD SW

Parts list for components on the CD SW board.

CONNECTOR

Parts list for various connectors used in the system.

DJ

Parts list for components on the DJ board.

HP/MIC

Parts list for components on the HP/MIC board.

LEAF SWITCH

Parts list for components on the LEAF SWITCH board.

MAIN

Parts list for components on the MAIN board.

PANEL

Parts list for panel components.

POWER AMP

Parts list for components on the POWER AMP board.

TCB

Parts list for components on the TCB board.

TRANS

Parts list for components on the TRANS board.

MISCELLANEOUS

HARDWARE LIST

List of hardware components used in the system.

ACCESSORIES

List of included accessories with the system.

Printing Method for Large Sized Documents Such As Circuit Diagrams

Printing by Specifying a Range

How to print specific sections of large documents using page range.

REVISION HISTORY

Related product manuals