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HCD-D60/GR7/GR7J/RX70
SERVICE MANUAL
Ver 1.1 2002.11
HCD-D60/ GR7/GR7J/RX70 is the
tuner, deck, CD and amplifier section in
MHC-D60/ GR7/GR7J/RX70.
*
Dolby noise reduction manufacrured
under license from Dolby Laboratories
Licensing corporation.
"DOLBY" and the double-D symbol a
are trademarks of Dolby Laboratories
Licensing Corporation.
For the US model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
70-20,000 Hz; rated 100 watts per channel
minimum RMS power, with no more than
0.9% total harmonic distortion from 250
milliwatts to rated output.
Amplifier section
Continuous RMS power output
Canadian model
100+100 watts
(8 ohms at 1 kHz, 5% THD)
AEP, German, East European, UK and CIS models
55+55 watts
(6 ohms at 1 kHz, 10% THD)
Other models
70+70 watts
(6 ohm sat 1 kHz, 10% THD)
Peak music power output (GR7/GR7J) :
1000 watts
Music power output
(AEP, German, East European, UK and CIS model):
95+95 watts
(6 ohms at 1kHz, 10% THD)
Sony Corporation
9-960-853-12
2002K0500-1
Home Audio Company
C 2002.11
Published by Sony Engineering Corporation
Photo: HCD-RX70
CD
Section
Tape deck
Section
SPECIFICATIONS
Inputs
VIDEO/MD IN (phono jacks) :
voltage 250 mV,impedance 47
kilo ohms
MIX MIC (phone jack):
sensitivity 1 mV,
impedance 10 kilo ohms
Outputs
VIDEO/MD OUT (phono jacks)
: voltage 250 mV impedance
1 kilo ohms
PHONES (stereo phone jack) :
accepts headphones of 8 ohms or
more.
SPEAKER : accepts impedance of
8 to 16 ohms (D60/RX70)
accepts impedance of 6 to 16 ohms
(GR7/GR7J)
SURROUND SPEAKER
(US and Canadian models):
accepts impedance of 16 ohms.
SUPER WOOFER (GR7/GR7J/
RX70 : US and Canadian models):
Voltage 1 V, impedance 1 kilo ohm
COMPACT DISC DECK RECEIVER
Canadian Model
Australian Model
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
CD player section
System
Laser
Laser output
Frequency response 2 Hz - 20 kHz ( 0.5 dB)
Wavelength
Signal-to-noise ratio More than 90 dB
Dynamic range
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
(Except US model)
Wavelength
Output Level
US Model
HCD-D60/RX70
AEP Model
UK Model
HCD-RX70
E Model
HCD-GR7/GR7J
HCD-GR7
NEW
CDM38-5BD29AL
BU-5BD29AL
KSS-213D/Q-NP
HCD-H881
TCM-220WR2
Compact disc and digital audio
system
Semiconductor laser
( =780nm)
Emission duration: continuous
Max. 44.6 W*
*This output is the value mea-
sured at a distance of 200 mm
from the objective lens surface
on the Optical Pick-up Block
with 7 mm aperture.
780-790 nm
More than 90 dB
600 nm
–18 dBm
— Continued on next page —

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Summarization of Contents

Specifications
CD Player Specifications
Details on CD playback system, laser, and frequency response.
Audio Power & Amplifier
Power output and harmonic distortion ratings for the amplifier section.
Tape Player and Tuner Sections
Tape Player Specifications
Recording system, frequency response, and wow/flutter for tape playback.
Tuner Specifications
FM/AM tuner details, tuning ranges, and intermediate frequencies.
Safety Precautions
AC Leakage Test
Procedures for testing AC leakage from exposed metal parts to earth ground.
Servicing Notes
Handling Optical Pick-up & Laser Diode
Precautions for handling optical pick-up and checking laser diode emission.
Component & Circuit Board Repair Notes
Guidelines for replacing chip components and repairing flexible circuit boards.
Section 1 General
System Hookup Guide
Step-by-step guide on how to connect the system components.
Section 2 Disassembly
Case and Front Panel Disassembly
Steps for disassembling the main case and front panel sections.
Section 3 Test Mode
Various Test Modes
Procedures for MC Cold/Hot Reset, CD Delivery, Sled Servo, AM Tuner Step, and Key Check.
Section 4 Mechanism Adjustments
Precautions and Torque/Tension Measurement
Cleaning, demagnetization, and measuring torque/tension for tape mechanisms.
Section 5 Electrical Adjustments
Deck Section Adjustments
Adjustments for record/playback head azimuth and tape speed.
Tape Speed and Playback Level Adjustments
Procedures for adjusting tape speed and playback levels for both decks.
Tuner Section Adjustments
AM and FM Tuning Adjustments
Adjusting AM and FM tuned levels and polar alignment.
CD Section Checks
Focus Bias, S-Curve, and RF Level Checks
Procedures to check CD focus bias, S-curve symmetry, and RF signal level.
E-F Balance Check
Without Remote Commander
Checks E-F balance using waveform measurement without a remote.
Section 6 Diagrams
Circuit Board Locations
Diagram showing the location of various circuit boards within the unit.
Tunner Section Diagrams
Printed Wiring and Schematic Diagrams
Diagrams for the tuner section, including printed wiring and schematics.
CD Motor Section Diagrams
Printed Wiring Boards
Printed wiring diagrams for the CD motor section.
Motor Section Diagrams
Schematic Diagrams
Schematic diagrams for the motor sections (slide, turn, connector, sensor).
Deck Section Diagrams
Printed Wiring Boards
Printed wiring diagrams for the deck section (leaf switch, motor, audio).
Deck Section Diagrams
Schematic Diagrams
Schematic diagrams for the deck section (tape, main/power).
Main/Power Section Diagrams
Schematic Diagram
Schematic diagram for the main and power sections.
Main/Power Section Diagrams
Printed Wiring Boards
Printed wiring boards for the main and power sections.
Panel Section Diagrams
Schematic Diagrams
Schematic diagrams for the panel section.
Panel Section Diagrams
Printed Wiring Boards
Printed wiring boards for the panel section.
Power Amp Section Diagrams
Printed Wiring and Schematic Diagrams
Diagrams for the power amp section, including printed wiring and schematics.
IC Block Diagrams
TCB Board ICs
Block diagrams for IC21 (LC72130) and IC41 (LA1835) on the TCB board.
BD Board ICs
IC102 BA5941FP-E2 and IC103 CXD2519Q
Block diagrams for IC102 and IC103 on the BD board.
Various IC Block Diagrams
Main, Audio, Motor, HP/MIC ICs
Block diagrams for ICs on main, audio, motor, and HP/MIC boards.
Main Board ICs
IC901 LA5617 and IC1502 LB1641
Block diagrams for IC901 and IC1502 on the main board.
IC Pin Function Description
IC301 µPD780018YGF-011-3BA (MASTER CONTROL)
Pin function details for the master control IC301.
Panel Board IC601
TMP87CH75F-6543 (GRAPHIC CONTROL)
Pin function details for the graphic control IC601 on the panel board.
Section 7 Exploded Views
Case, MD Ass'y Section
Exploded view of the case and MD assembly section with part numbers.
Front Panel Section
Exploded View
Exploded view of the front panel section with part numbers.
Chassis Section
CD Mechanism Deck Section-1
Exploded view of CD mechanism deck section 1 with part numbers.
CD Mechanism Deck Section-2
Parts List
List of parts for CD mechanism deck section 2.
Base Unit Section
Parts List
List of parts for the base unit section.
Tape Mechanism Deck Section-1
Parts List
List of parts for tape mechanism deck section 1.
Tape Mechanism Deck Section-2
Parts List
List of parts for tape mechanism deck section 2.
Section 8 Electrical Parts List
Audio Board Parts
List of electrical parts for the audio board, including capacitors, ICs, and resistors.
BD Board Parts
ICs, Transistors, Resistors
List of ICs, transistors, and resistors for the BD board.
Deco HP/Mic Leaf Switch Main
Parts List
List of parts for deco, HP/MIC, leaf switch, and main boards.
Deco HP/Mic
Diodes, Transistors, Capacitors
List of diodes, transistors, and capacitors for DECO and HP/MIC sections.
HP/Mic Leaf Switch Main
Resistors, Switches, Connectors
List of resistors, switches, and connectors for HP/MIC, leaf switch, and main boards.
Main Board
Capacitors
List of capacitors for the main board.
Main Board
Capacitors, Connectors, Diodes
List of capacitors, connectors, and diodes for the main board.
Power Amp
Capacitors, ICs, Transistors, Resistors
List of components for the power amp section.
Motor, Motor (Slide), Motor (Turn)
Parts List
List of parts for motor boards (slide, turn).
Panel
ICs, Transistors, Resistors
List of ICs, transistors, and resistors for the panel board.
Panel
Resistors
List of resistors for the panel board.
Power Amp Sensor TC SW
Parts List
List of parts for power amp, sensor, and TC SW boards.
Panel Power Amp
Switches, Capacitors
List of switches and capacitors for panel and power amp boards.
TCB
ICs, Transistors, Resistors, Filters, Connectors
List of components for the TCB board.
TCB
Diodes, Fuses, Switches, Transformers
List of diodes, fuses, switches, and transformers for the TCB board.
Power Amp
Capacitors, ICs, Transistors, Resistors
List of components for the power amp section.
Power Amp Sensor TC SW
Resistors, Switches
List of resistors and switches for power amp, sensor, and TC SW boards.
TCB
Capacitors, Filters, Switches
List of capacitors, filters, and switches for the TCB board.
TCB TRANS
Resistors, Fuses, Switches, Transformers
List of resistors, fuses, switches, and transformers for TCB and TRANS boards.
Supplement-1
Correction Details
Details on corrections made to the service manual.
Electrical Adjustment - FM Polar
FM Polar Adjustment for East European and CIS models.
Diagrams List
Lists block diagrams and schematics for Tuner, CD, and Main sections.
Electrical Parts List - TCB Board
TCB Board parts list for East European and CIS models.
1. Correction
CD Mechanism Deck Section Correction
Corrected diagram and part number for CD mechanism deck section.
2. Electrical Adjustment
FM Polar Adjustment (East European, CIS models only)
Detailed procedure for FM polar adjustment on the TCB board.
3. Diagrams
Block Diagram – Tuner Section (RX70: AEP, AED, G, UK Models)
Block diagram for the tuner section for specific models.
Block Diagram – CD Section –
CD Section Block Diagram
Block diagram illustrating the CD section's components and signal flow.
Block Diagram – Main Section –
Main Section Block Diagram
Block diagram illustrating the main section's components and signal flow.
Correction-1
Subject: Correction of Front Panel Section
Indicates corrections to the front panel section of the service manual.
(2) Front Panel Section
Incorrect vs Corrected Parts
Compares incorrect and correct part numbers for front panel components.
Confirm Symptom & Check
HCD-RX70 Series Check Flow
Flowchart for confirming symptoms and performing checks on the HCD-RX70 series.
Repair Procedure(1)
CD Repair Steps
Step-by-step repair procedure for CD-related defects.
Repair Procedure(2)
TC Repair Steps
Step-by-step repair procedure for TC-related defects.
Disassembly (Tree)
HCD-RX70 Series Disassembly Flow
Tree diagram illustrating the disassembly sequence for the HCD-RX70 series.
HCD-RX70 Series Disassembly Steps
Case, CD Tray, BU Holder, Base Unit
Visual guide to the initial steps of disassembly.
HCD-RX70 Series Disassembly Steps
Base Unit and TC Block Removal
Visual guide for removing the base unit and TC block.
Printing Method for Large Sized Documents
Printing the page that exceeds A4-size
Instructions for printing oversized documents using Acrobat Reader.
Printing by Specifying a Range
Method to print specific areas of large drawings by specifying a range.
Revision History
Version Updates
History of revisions to the service manual, including dates and descriptions.

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