Sony HCD-R550 - User Manual

HCD-GRX30/GRX30J/R550/RXD5
US Model
Canadian Model
HCD-RXD5
AEP Model
UK Model
HCD-R550/RXD5
E Model
HCD-GRX30/GRX30J
Australian Model
HCD-GRX30
Tourist Model
HCD-GRX30J
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
MICROFILM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
HCD-GRX30/GRX30J/R550/RXD5 is
the Amplifier, CD player, Tape Deck and
Tuner section in MHC-GRX30/GRX30J/
R550/RXD5
— Continued on next page —
SPECIFICATIONS
Model Name Using Similar Mechanism HCD-GRX5/RX66
CD Mechanism Type CDM38LH-5BD32L
Base Unit Type BU-5BD32L
Optical Pick-up Type KSS-213D/Q-RP
Model Name Using Similar Mechanism HCD-GRX5
Tape Transport Mechanism Type TCM-230AWR2
CD
Section
TAPE
DECK
Section
AUDIO POWER SPECIFICATIONS:
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION
US model:
with 6 ohm loads both channels driven, from 70 -
20,000 Hz; rates 60 watts per channel minimum RMS
power, with no more than 0.9% total harmonic
distortion from 250 milliwatts to rated output.
Amplifier section
North American model:
Continuous RMS power output (reference)
60 + 60 W
(6 Ω at 1 kHz, 10% THD)
European model:
DIN power output (rated) 60 + 60 W
(6 Ω at 1 kHz, DIN)
Continuous RMS power output (reference)
80 + 80 W
(6 Ω at 1 kHz, 10% THD)
Music power output (reference)
140 + 140 W
(6 Ω at 1kHz, 10% THD)
Other models:
The following measured at AC 110, 220 V 50/60 Hz
DIN power output (rated)60 + 60 W
(6 Ω at 1 kHz, DIN)
Continuous RMS power output (reference)
80 + 80 W
(6 Ω at 1 kHz, 10% THD)
The following measured at AC 120, 240 V 50/60 Hz
DIN power output (rated)70 + 70 W
(6 Ω at 1 kHz, DIN)
Continuous RMS power output (reference)
100 + 100 W
(6 Ω at 1 kHz, 10% THD)
Inputs
MD/VIDEO (AUDIO) IN:
(phono jacks) voltage 450 mV/250mV,
impedance 47 kΩ
MIX MIC: (phone jack) sensitivity 1 mV,
impedance 10 kΩ
Outputs
MD/VIDEO (AUTO) OUT:
(phono jack) voltage 250 mV
impedance 1 kΩ
PHONES: accepts headphones of 8 Ω
(stereo mini jack) or more
SPEAKER: accepts impedance of 6 to
16 Ω
SUPER WOOFER
(except for European model):
Voltage 1V, impedance 1kΩ
CD player section
System Compact disc and digital audio
system
Laser Semiconductor laser (λ=780nm)
Emission duration: continuous
Laser output Max. 44.6 µW*
*This output is the value
measured at 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 85 dB
Dynamic range More than 85 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 600 nm
Output Level –18 dBm
Photo: HCD-GRX30

Summary

SECTION 2 GENERAL

Tape Player Section

Details tape player recording system and frequency response.

Tuner Section

Covers FM and AM tuner sections, including tuning ranges.

General Specifications

Lists power requirements, consumption, dimensions, and accessories.

SECTION 1 SERVICING NOTES

Optical Pick-up Block Handling Precautions

Precautions for handling optical pick-up blocks to prevent static damage.

Laser Diode Emission Check Safety

Safety guidelines for checking laser diode emission.

Chip Component Replacement Notes

Advice on reusing chip components and handling tantalum capacitors.

Flexible Circuit Board Repairing

Guidelines for repairing flexible circuit boards, including temperature.

SAFETY CHECK-OUT

AC Leakage Testing Procedures

Procedures and limits for checking AC leakage.

Disc Tray Opening Procedure

Rotary Encoder Installation Note

Instructions for installing the rotary encoder and base unit.

General Controls Overview

Front Panel Controls Identification

Identifies buttons and indicators on the front panel.

Setting the Clock Time

Changing the Clock Time

Procedure for changing the clock time when the power is on.

SECTION 3 DISASSEMBLY

3-1. CASE Disassembly

Instructions for disassembling the outer case of the unit.

3-2. FRONT PANEL SECTION Disassembly

Steps for disassembling the front panel assembly.

3-3. TAPE MECHANISM DECK SECTION (TCM-230 AWR2)

3-4. CD MECHANISM DECK SECTION (CDM38 LH-5 BD32 L)

Procedure for disassembling the CD mechanism deck.

3-5. MAIN BOARD Disassembly

SECTION 4 TEST MODE

MC Cold Reset Procedure

Clears all data and resets the unit to initial conditions.

CD Delivery Mode

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

MC Hot Reset Procedure

Resets the unit while retaining preset data in memory.

Sled Servo Mode Operation

Allows free control of the CD sled motor for cleaning or adjustment.

AM Tuner Step Change

Switches the AM channel step between 9 kHz and 10 kHz.

LED and Indicator All Lit Mode

Checks all LEDs, the indicator tube, and button functions.

Aging Mode Operations

Tape Deck Aging Mode Details

Details display states and operation sequence for tape deck aging.

Tape Deck Aging Operation Sequence

Describes the sequence of tape deck aging operations.

CD Section Aging Mode Details

Details display states for CD aging mode.

CD Section Aging Operation Sequence

Describes the sequence of CD aging operations.

SECTION 5 MECHANICAL ADJUSTMENTS

Mechanical Adjustment Precautions

Cleaning and demagnetizing precautions before adjustments.

Torque Measurement Specifications

Table showing torque specifications for various tape deck modes.

SECTION 6 ELECTRICAL ADJUSTMENTS

Deck Section Adjustment Precautions

General precautions and setup for deck electrical adjustments.

Test Tape Usage for Adjustments

Lists test tapes and their usage for adjustments.

Record;Playback Head Azimuth Adjustment

Procedure for adjusting azimuth for both decks.

Tape Speed Adjustment DECK B

Playback Level Adjustment DECK A DECK B

REC Bias Adjustment DECK B

REC Level Adjustment DECK B

CD SECTION Adjustments

S-Curve Check Procedure

Procedure for checking and confirming the S-curve waveform.

E-F Balance Check Procedure

Procedure for checking E-F balance using a 1-track jump.

RF Level Check Procedure

Procedure for checking the RF signal level.

RF PLL Free-run Frequency Check

Procedure to check the RF PLL free-run frequency.

SECTION 7 DIAGRAMS

7-1. CIRCUIT BOARDS LOCATION

Diagram showing the location of various circuit boards in the unit.

7-2. BLOCK DIAGRAMS - CD SECTION

- TAPE DECK SECTION - Block Diagram

- MAIN SECTION - Block Diagram

DISPLAY;KEY CON SECTION Block Diagram

7-3. PRINTED WIRING BOARD - CD SECTION

7-4. SCHEMATIC DIAGRAM - CD SECTION

7-5. PRINTED WIRING BOARD - CD MOTOR SECTION

7-6. SCHEMATIC DIAGRAM - CD MOTOR SECTION

7-7. PRINTED WIRING BOARD - TAPE DECK SECTION

7-8. SCHEMATIC DIAGRAM - TAPE DECK SECTION

7-9. PRINTED WIRING BOARD - LEAF SW SECTION

7-10. SCHEMATIC DIAGRAM - LEAF SW SECTION

Schematic diagram for the leaf switch section.

7-11. PRINTED WIRING BOARD - MAIN SECTION

7-12. SCHEMATIC DIAGRAM - MAIN SECTION (1;4)

7-13. SCHEMATIC DIAGRAM - MAIN SECTION (2;4)

7-14. SCHEMATIC DIAGRAM - MAIN SECTION (3;4)

7-15. SCHEMATIC DIAGRAM - MAIN SECTION (4;4)

7-16. PRINTED WIRING BOARD - PANEL SECTION

7-17. SCHEMATIC DIAGRAM - PANEL SECTION

7-18. PRINTED WIRING BOARD - AC SEC STANDBY SECTION

7-19. SCHEMATIC DIAGRAM - AC SEC STANDBY SECTION

7-20. PRINTED WIRING BOARD - CD SW SECTION

7-21. SCHEMATIC DIAGRAM - CD SW SECTION

Schematic diagram for the CD switch section.

7-22. IC BLOCK DIAGRAMS - BD Board

7-23. IC PIN FUNCTION DESCRIPTION - MAIN BOARD IC501 M30622 MA-A07 FP

SECTION 8 EXPLODED VIEWS

8-1. CASE SECTION

Exploded view of the case section with part numbers.

8-2. FRONT PANEL SECTION

Exploded view of the front panel section with part numbers.

8-3. CHASSIS SECTION

Exploded view of the chassis section with part numbers.

8-4. CD MECHANISM DECK SECTION-1

Exploded view of the CD mechanism deck section 1.

8-5. CD MECHANISM DECK SECTION-2

Exploded view of the CD mechanism deck section 2.

8-6. BASE UNIT SECTION

Exploded view of the base unit section.

8-7. TAPE MECHANISM DECK SECTION-1

Exploded view of the tape mechanism deck section 1.

8-8. TAPE MECHANISM DECK SECTION-2

Exploded view of the tape mechanism deck section 2.

SECTION 9 ELECTRICAL PARTS LIST

Capacitors List

List of capacitors used in the AC SEC and AUDIO sections.

Resistors Information

Notes on resistors and abbreviations used in the parts list.

Semiconductors Information

Notes on semiconductor notation and component identification.

Sony HCD-R550 Specifications

General

Type	Mini Hi-Fi Component System
Power Output	100 W
Audio Channels	2.0
CD Player	Yes
Tuner	FM/AM
Cassette Deck	Yes
Remote Control	Yes
Bluetooth	No
USB Playback	No
Functions	CD, Cassette, Radio