Table of Contents
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SERVICE MANUAL
HCD-GR3/RX30 is the tuner, deck, CD and ampli-
fier section in MHC-GR3/RX30.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
* Manufactured under license from Dolby Laborato-
ries Licensing Corporation. "Dolby", the double-D
symbol a are "Pro Logic" are trademarks of Dolby
Laboratories Licensing Corporation.
CD player section
System
Compact disc and digital
audio system
Laser
Semiconductor laser
Laser output
Max. 44.6µ W*
* 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.
MICROFILM
HCD-GR3/RX30
Photo: HCD-RX30
Model Name Using Similar Mechanism
CD
CD Mechanism Type
SECTION
Base Unit Type
Optical Pick-up Type
TAPE
Model Name Using Similar Mechanism
DECK
Tape Transport Mechanism Type
SECTION
SPECIFICATIONS
Wavelength
780 – 790 nm
Tuner section
FM stereo, FM/AM superheterodyne
tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
US, Canadian models:
AM:
531 – 1,710 kHz (with the
tuning interval set at 9 kHz)
530 – 1,710 kHz
(with the tuning interval set
at 10 kHz)
German models:
AM:
531 – 1,602 kHz (with the
interval set at 9 kHz)
— 1 —
AEP, UK, East European models:
MW:
LW:
Other models:
AM:
Antenna
Intermediate frequency
Amplifier section
US, Canadian models:
Continuous RMS power output
COMPACT DISC DECK RECEIVER
US Model
Canadian Model
AEP Model
UK Model
HCD-RX30
E Model
Australian Model
HCD-GR3
HCD-H991AV
CDM38-5BD19FK
BU-5BD19
KSS-213B/K-N
HCD-D270/G3100/N255
TCM-YSW47C24
531 – 1,602 kHz (with the
interval set at 9 kHz)
153 – 279 kHz (with the
interval set at 3 kHz)
531 – 1,602 kHz (with the
tuning interval set at 9 kHz)
530 – 1,710 kHz (with the
tuning interval set at 10 kHz)
AM loop antenna,
External antenna terminals
450 kHz
60W+60W (6 ohms at
1 kHz, 5% THD)
— Continued on next page —
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Table of Contents
Related Manuals for Sony HCD-RX30
Summarization of Contents
Service Manual Overview
Specifications
Detailed technical specifications including power output, audio performance, and tuner/deck/CD parameters.
Model Identification and Specifications
Model Identification
Details on different model variants and their back panel identification.
Safety Check-out Procedures
AC Leakage Measurement
Guidelines for performing AC leakage tests on exposed metal parts to ensure safety.
Servicing Notes and Precautions
Optical Pick-up and Laser Handling
Instructions for safely handling optical pick-up blocks and laser diodes.
Operation Checks and Modes
Procedures for checking laser diode emission, channel steps, display/key modes, and system reset.
General Information and Controls
Parts and Controls Index
An index to identify and locate various parts and controls on the unit.
Front Panel Controls
Diagram and list of controls and indicators on the front panel.
Display Window and Remote Control
Display Window Indicators
Explanation of the various indicators shown on the unit's display window.
Remote Control Functions
List and description of buttons and functions available on the remote control.
Disassembly Procedures (Part 1)
Loading Panel Disassembly
Step-by-step guide for disassembling the loading panel.
Front Panel Disassembly
Instructions for removing and disassembling the front panel assembly.
Disassembly Procedures (Part 2)
TC Mechanism Deck Disassembly
Steps for removing the TC (Tape Cassette) mechanism deck.
CD SW Board and Panel Board Disassembly
Procedure for disassembling the CD SW and Panel boards.
Disassembly Procedures (Part 3)
Disc Tray Disassembly
Instructions for removing the disc tray mechanism.
Mechanical Adjustments
Adjustment Precautions
General precautions to be taken before performing mechanical adjustments.
Torque Measurement Procedures
Methods and specifications for measuring torque on various mechanical parts.
Electrical Adjustments (Deck Section)
Deck Section Adjustment Reference
Deck section adjustment procedures, including reference levels.
Record/Playback Head Azimuth Adjustment
Procedure for adjusting the record/playback head azimuth for optimal playback.
Electrical Adjustments (Deck Section Continued)
Tape Speed Adjustment (Deck A, Deck B)
Procedure for adjusting tape speed for both decks to ensure accuracy.
Playback Level Adjustment (Deck A, Deck B)
Steps to adjust the playback signal level for optimal audio output.
Electrical Adjustments (Deck Section Continued)
Record Bias Adjustment (Deck B)
Procedure for setting the record bias level for the tape deck.
Record Level Adjustment (Deck B)
Instructions for adjusting the record signal level for accurate recording.
Tuner Section Adjustments
AM Tuned Level Adjustment
Procedure for tuning and adjusting the AM signal reception level.
FM Tuned Level Adjustment
Steps to adjust the FM signal reception level for optimal performance.
CD Section Adjustments (Part 1)
CD Section Adjustment Precautions
Notes and precautions regarding CD section adjustments.
S Curve and Focus Bias Adjustments
Procedures for checking the S curve and adjusting focus bias.
RF Level Check
Method for checking the RF signal level in the CD player.
CD Section Adjustments (Part 2)
E-F Balance Check
Procedure for checking and adjusting the E-F balance in the CD section.
Focus/Tracking Gain Adjustment
Information on adjusting focus and tracking gain, including tolerance.
Diagrams: Circuit Board Locations
Circuit Board Locations Overview
Diagram showing the location of various circuit boards within the unit.
Diagrams: Block Diagrams (Tuner Section)
Tuner Section Block Diagram
Block diagram illustrating the signal flow and components in the tuner section.
Diagrams: Block Diagrams (Deck Section)
Deck Section Block Diagram
Block diagram showing the signal paths and functional blocks of the deck section.
Diagrams: Block Diagrams (CD Section)
CD Section Optical Pick-up Block
Block diagram of the CD section's optical pick-up block.
Diagrams: Block Diagrams (Main Section)
Main Section Block Diagram
Block diagram illustrating the main processing and control functions.
Diagrams: Printed Wiring Boards (CD Motor)
CD Motor Section PWB Layout
Printed wiring board layout for the CD motor control section.
CD Motor Section Schematics
Schematic diagram for the CD motor control section.
Diagrams: Printed Wiring Boards (Main Section)
Main Section PWB Layout
Printed wiring board layout for the main section of the unit.
Diagrams: Schematic Diagrams (Main Section)
Main Section Schematic Diagram
Schematic diagram detailing the main section's circuitry and connections.
Diagrams: Schematic Diagrams (Deck Section)
Deck Section Schematic Diagram
Schematic diagram illustrating the circuitry and signal paths of the deck section.
Diagrams: Printed Wiring Boards (CD Motor Section)
CD Motor Section PWB Layout
Printed wiring board layout for the CD motor control section.
CD Motor Section Schematics
Schematic diagram for the CD motor control section.
Diagrams: Schematic Diagrams (CD Section)
CD Section Schematic Diagram
Schematic diagram for the CD player section, including waveforms.
Diagrams: Printed Wiring Boards (Panel Section)
Panel Section PWB Layout
Printed wiring board layout for the panel section of the unit.
Diagrams: Schematic Diagrams (Panel Section)
Panel Section Schematic Diagram
Schematic diagram for the panel section, including fluorescent indicator tube.
IC Block Diagrams (CD Section)
IC101, IC102, IC103 Block Diagrams
Internal block diagrams for CD section ICs CXA1782BQ, BA6397FP, CXD2507AQ.
IC Block Diagrams (Tuner Section)
IC21, IC41 Block Diagrams
Internal block diagrams for tuner section ICs LC72130 and LA1835.
IC Block Diagrams (Various)
Key IC Block Diagrams
Internal block diagrams for ICs PCM1710U-B, M54641L, BA6286N, µPC1330HA, µPC1237HA, MC14052BCP.
IC Pin Functions (IC501)
IC501 Graphic Control Pin Functions
Detailed pin assignments and functions for the IC501 Graphic Control IC.
IC Pin Functions (IC701)
IC701 Master Control Pin Functions
Detailed pin assignments and functions for the IC701 Master Control IC.
IC Pin Functions (Pins 41-80)
IC Pin Functions: 41-80
Pin descriptions for ICs covering functions from 41 to 80.
IC Pin Functions (Pins 81-100)
IC Pin Functions: 81-100
Pin descriptions for ICs covering functions from 81 to 100.
Exploded Views: Case Section
Case Section Exploded View
Exploded diagram showing the components of the unit's case section.
Exploded Views: Front Panel Section 1
Front Panel Section 1 Exploded View
Exploded diagram of the front panel assembly, parts 1.
Exploded Views: Front Panel Section 2
Front Panel Section 2 Exploded View
Exploded diagram of the front panel assembly, parts 2.
Exploded Views: Back Panel Section
Back Panel Section Exploded View
Exploded diagram detailing the components of the unit's back panel.
Exploded Views: CD Mechanism Section 1
CD Mechanism Section 1 Exploded View
Exploded diagram of the CD mechanism section 1 (CDM38-5BD19).
Exploded Views: CD Mechanism Section 2
CD Mechanism Section 2 Exploded View
Exploded diagram of the CD mechanism section 2 (CDM38-5BD19).
Exploded Views: Base Unit Section
Base Unit Section Exploded View
Exploded diagram of the CD player's base unit section (BU-5BD19).
Exploded Views: TC Mechanism Section 1
TC Mechanism Section 1 Exploded View
Exploded diagram of the tape cassette mechanism section 1 (TCM-YSW47C24).
Exploded Views: TC Mechanism Section 2
TC Mechanism Section 2 Exploded View
Exploded diagram of the tape cassette mechanism section 2 (TCM-YSW47C24).
Exploded Views: TC Mechanism Section 3
TC Mechanism Section 3 Exploded View
Exploded diagram of the tape cassette mechanism section 3 (TCM-YSW47C24).
BD Board Electrical Parts List
BD Board Resistors
List of resistors used on the BD board.
BD Board Semiconductors
List of semiconductors used on the BD board.
BD Board Capacitors
List of capacitors used on the BD board.
BD Board Coils
List of coils used on the BD board.
CD SW, Connector, HP Board Parts List
CD SW, Connector, HP Board Resistors, Switches, Connectors
List of resistors, switches, and connectors for CD SW, Connector, HP boards.
CD SW, Connector, HP Board Transistors, Diodes, Capacitors
List of transistors, diodes, and capacitors for CD SW, Connector, HP boards.
HP and Main Board Components (Part 1)
HP Board Connectors and Components
List of connectors and components for the HP board.
Main Board Connectors, Jacks, and Switches
List of connectors, jacks, and switches for the Main board.
Main Board Components (Part 2)
Main Board Capacitors, Diodes, ICs
List of capacitors, diodes, and ICs for the Main board.
Main Board Transistors, Resistors, Coils
List of transistors, resistors, and coils for the Main board.
Main Board Miscellaneous Components
List of miscellaneous components for the Main board.
Main Board Components (Part 3)
Main Board ICs, Jacks, Coils, Transistors
List of ICs, jacks, coils, and transistors for the Main board.
Main Board Diodes
List of diodes for the Main board.
Main Board Components (Part 4)
Main Board Resistors (Part 1)
List of resistors for the Main board.
Main Board Components (Part 5)
Main Board Resistors (Part 2)
List of resistors for the Main board.
Main Board Components (Part 6)
Main Board Motor, Variable Resistor, Terminal
List of motors, variable resistors, and terminals for the Main board.
Main Board Transformer, Diodes, ICs
List of transformers, diodes, and ICs for the Main board.
Main Board Switches, Capacitors, Resistors
List of switches, capacitors, and resistors for the Main board.
Panel and Motor (Turn) Board Components
Panel/Motor (Turn) Resistors, ICs, Transistors
List of resistors, ICs, and transistors for Panel and Motor (Turn) boards.
Panel/Motor (Turn) Capacitors, Resistors
List of capacitors and resistors for Panel and Motor (Turn) boards.
Panel, Sensor, TCB Board Components
Panel/Sensor/TCB Resistors and Switches
List of resistors and switches for Panel, Sensor, and TCB boards.
Panel/Sensor/TCB ICs and Capacitors
List of ICs and capacitors for Panel, Sensor, and TCB boards.
TCB Board Components
TCB Filters, Connectors, Diodes, Front-End
List of filters, connectors, diodes, and front-end components for TCB board.
TCB ICs, IFT, Jumper Resistors, Coils
List of ICs, IFTs, jumper resistors, and coils for TCB board.
TCB Board Transformer and Other Components
TCB Transistors, Filters, Variable Resistors
List of transistors, filters, and variable resistors for TCB board.
TCB Terminals, Vibrators, Connectors, Fuses
List of terminals, vibrators, connectors, and fuses for TCB board.
TCB Resistors
List of resistors for the TCB board.
Transformer and Miscellaneous Components
Miscellaneous, Accessories, Hardware Lists
Lists of miscellaneous items, accessories, and hardware.
Switches, Transformers, Motor Assemblies
List of switches, transformers, and motor assemblies.
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