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Sony HCD-RX80 Service Manual

Sony HCD-RX80
90 pages
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MICROFILM
MINI Hi-Fi COMPONENT SYSTEM
AEP Model
UK Model
SERVICE MANUAL
HCD-RX80
Model Name Using Similar Mechanism HCD-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.
HCD-RX80 is the tuner, deck, CD and
amplifier section in MHC-RX80.
Amplifier section
DIN power output 40 + 40 watts
(6 ohms, at 1 kHz, DIN)
Continuous RMS power output
55 + 55 watts
(6 ohms at 1 kHz,
10 % THD)
Music power output 95 + 95 watts
(6 ohms at 1 kHz, 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 (phono
jacks): voltage 250 mV,
impedance 1 kilohms
PHONES (stereo phone
jack): accepts head phones
of 8 ohms or more.
SPEAKER: accepts
impedance of 8 to 16 ohms.
SURROUND SPEAKER
accepts impedance of 16
ohms.
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
cassette
60 – 14,000 Hz (± 3dB),
using Sony TYPE II
cassette
Wow and flutter ± 0.15% W. Peak (IEC)
0.1% W. RMS (NAB)
± 0.2 % W. Peak (DIN)
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
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
– Continued on next page –

Table of Contents

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Sony HCD-RX80 Specifications

General IconGeneral
BrandSony
ModelHCD-RX80
CategoryStereo System
LanguageEnglish

Summary

SPECIFICATIONS

Amplifier section

Details of amplifier output and input specifications.

CD Player section

Specifications for CD player's laser and frequency response.

Tape player section

Specifications for tape player's recording system and frequency response.

MODEL IDENTIFICATION

Tuner section

Details of FM stereo and AM superheterodyne tuner specifications.

General specifications

General specifications like power, dimensions, and supplied accessories.

CAUTIONS AND SAFETY

Laser Product Warnings

Warnings regarding hazardous radiation exposure and laser product classification.

Safety-Related Component Warnings

Critical safety warnings for components identified with a mark.

SERVICING NOTES

Handling Optical Pick-up and Flexible Boards

Precautions for handling the optical pick-up block and flexible boards.

Laser Diode Emission Check

Instructions for checking laser diode emission safely.

GETTING STARTED

Hooking up the system

Detailed steps for connecting speakers, aerials, and power cord.

Setting the time

Instructions for setting the system's clock time for timer functions.

Presetting radio stations

Guide to preset up to 45 radio stations for FM, MW, LW, and UKV bands.

Connecting optional AV components

Information on connecting external audio and video components for enhanced system use.

BASIC OPERATIONS

Playing a CD

How to play CDs, including loading, selecting discs, and playback controls.

Recording a CD

Guide to record from CD to tape using CD Synchro Recording function.

Listening to the radio

Instructions for tuning into radio stations using preset memory.

Playing a tape

Instructions for playing tapes, including cassette insertion and playback modes.

DJ Effects

Special effects for CD playback, including loop, flash, and equalizer wave.

Sound Adjustment

Adjusting audio settings for bass reinforcement, headphone listening, and sound emphasis.

Singing along: Karaoke

How to use the Karaoke function to sing along with music by reducing vocal levels.

Waking up to music

How to set the Wake-up Timer to play music at a preset time daily.

DISASSEMBLY

CASE

Steps for disassembling the external case of the unit.

FRONT PANEL SECTION

Steps for disassembling the front panel section of the unit.

CD MECHANISM DECK SECTION

Steps for disassembling the CD mechanism deck section.

TAPE MECHANISM DECK SECTION

Steps for disassembling the tape mechanism deck section.

BASE UNIT

Steps for disassembling the base unit of the system.

MAIN BOARD

Steps for disassembling the main board of the system.

TRAY SECTION

Steps for disassembling the CD tray section of the unit.

BD BOARD

Steps for disassembling the BD board.

OPTICAL PICK-UP, SLED MOTOR

Steps for disassembling the optical pick-up and sled motor.

AUDIO BOARD

Steps for disassembling the audio board.

CAPSTAN MOTOR

Steps for disassembling the capstan motor.

TEST MODE

MC Cold Reset

How to perform a cold reset to clear all preset data and return to initial conditions.

CD Delivery Mode

How to set CD delivery mode to protect pickup from vibration during transport.

MC Hot Reset

How to perform a hot reset to reset the set while retaining preset data.

Sled Servo Mode

How to run the CD sled motor freely for maintenance like cleaning the pickup.

Aging Mode

Mode for checking CD and tape deck section operations, including sequence and selection.

ADJUSTMENTS

Mechanical Adjustments

Procedures for mechanical adjustments and torque/tension measurements.

Electrical Adjustments

Procedures for electrical adjustments, including deck section and head alignment.

Tuner Section Adjustments

Steps for performing AM and FM tuned level and polar adjustments.

CD Section Checks

Procedures for checking CD section performance, including S-curve and RF signal checks.

DIAGRAMS

Circuit Boards Location

Diagrams showing the physical location of all circuit boards within the unit.

TUNER Section Diagrams

Printed wiring board and schematic diagrams for the TUNER section.

CD Section Diagrams

Printed wiring board and schematic diagrams for the CD section.

MOTOR Section Diagrams

Printed wiring board and schematic diagrams for CD motor related boards.

DECK Section Diagrams

Printed wiring board and schematic diagrams for the DECK section components.

MAIN/POWER Section Diagrams

Schematic and printed wiring board diagrams for the MAIN/POWER section.

POWER AMP Section Diagrams

Printed wiring board and schematic diagrams for the POWER AMP section.

IC BLOCK DIAGRAMS

TCB BOARD ICs

Block diagrams and pin functions for ICs on the TCB board.

BD BOARD ICs

Block diagrams and pin functions for ICs on the BD board.

IC PIN FUNCTION DESCRIPTION

MAIN BOARD IC301

Detailed pin function description for IC301 on the MAIN BOARD.

EXPLODED VIEWS

CASE, MD ASS'Y SECTION

Exploded view of the case and MD assembly with parts list.

FRONT PANEL SECTION

Exploded view of the front panel section with corrected parts.

CHASSIS SECTION

Exploded view of the chassis section, including power transformer and main boards.

CD MECHANISM DECK SECTION-1 (CDM38L-5BD29AL)

Exploded view of the CD mechanism deck section 1.

CD MECHANISM DECK SECTION-2 (CDM38L-5BD29AL)

Exploded view of the CD mechanism deck section 2.

BASE UNIT SECTION (BU-5BD29AL)

Exploded view of the base unit section with optical pickup and motors.

TAPE MECHANISM DECK SECTION-1 (TCM-220WR2)

Exploded view of the tape mechanism deck section 1.

TAPE MECHANISM DECK SECTION-2 (TCM-220WR2)

Exploded view of the tape mechanism deck section 2.

ELECTRICAL PARTS LIST

AUDIO Board Parts

Electrical parts list for the AUDIO board.

BD Board Parts

Electrical parts list for the BD board.

DECK Section Parts

Electrical parts list for the DECK section components.

PANEL Board Parts

Electrical parts list for the PANEL board.

TCB Board Parts

Electrical parts list for the TCB board, including capacitors and connectors.

TRANS Board Parts

Electrical parts list for the TRANS board, including fuses and resistors.

HARDWARE LIST

CORRECTIONS

CORRECTION OF FRONT PANEL SECTION

Specific correction details for the front panel section of the service manual.

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