Sony HCD-H551 - Service Manual

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COMPACT DISC DECK RECEIVER
HCD-H551
AEP Model
UK Model
E Model
Tourist Model
SERVICE MANUAL
HCD-H551 is the tuner, deck, CD and
amplifier section in MHC-G55/551.
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM28-5BD19
Base Unit Type BU-5BD19
Optical Pick-up Type KSS-213BA/F-NP
Model Name Using Similar Mechanism HCD-H501
Tape Transport Mechanism Type TCM-220WR2E
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.
SPECIFICATIONS
Photo: E model
MICROFILM
CD
SECTION
TAPE
DECK
SECTION
CD player section
System Compact disc and digital
audio system
Laser Semiconductor (λ = 780nm)
Emission duration:
continuous
Laser output Max 44.6 µW*
*This output is the value
measured at a distance of
200mm from the objective
lens surface on the Optical
Pick-up Block with 7mm
aperture.
Wavelength 780 – 790 nm
Frequency response
2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range More than 90 dB
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
East European model:
65.0 – 78.0 MHz,
87.5 – 108.0 MHz
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Tourist model:
76.0 – 108.0 MHz
Other models:
87.5 – 108.0 MHz
Aerial FM lead aerial
Aerial terminals 75 ohm unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
German, Italian models:
AM: 531 – 1,602 kHz (with
the interval set at 9 kHz)
AEP, UK, East European models:
MW: 531 – 1,602 kHz (with
the interval set at 9 kHz)
LW: 153 – 279 kHz (with
the interval set at 3 kHz)
Other models:
MW: 531 – 1,602 kHz (with
the interval set at 9 kHz)
530 – 1,710 kHz (with the
interval set at 10 kHz)
SW: 5.95 – 17.90 MHz

Summary

SPECIFICATIONS

CD Player Specifications

Details of the compact disc digital audio system specifications.

Tuner Specifications

FM stereo, FM/AM superheterodyne tuner specifications.

Amplifier Specifications

Tape Player Specifications

Recording system and frequency response of the tape player.

SERVICING NOTES

Optical Pick-up Block Handling

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

Laser Diode Emission Check

Guidelines for checking the laser diode emission safely.

GENERAL INFORMATION

DISASSEMBLY PROCEDURES

Front Panel Disassembly

Step-by-step instructions for disassembling the front panel.

TC Mechanism Deck Disassembly

Instructions for disassembling the TC mechanism deck.

HP, Jog, and Panel Board Removal

CD Block Removal

CD Mechanism Deck Removal

Instructions for removing the CD mechanism deck.

MECHANICAL ADJUSTMENTS

ELECTRICAL ADJUSTMENTS

Deck Section Electrical Adjustments

Tape Speed Adjustment (Deck A)

Playback Level Adjustment (Deck A, Deck B)

Record Bias Adjustment (Deck B)

Record Level Adjustment (Deck B)

TUNER SECTION ADJUSTMENTS

AM Tuned Level Adjustment

FM Tuned Level Adjustment

SW OSC Voltage Adjustment

SW Tracking Adjustment

CD SECTION ADJUSTMENTS

Focus Bias Adjustment

S Curve Check

RF Level Check

E-F Balance Check

Focus;Tracking Gain Adjustment Notes

SECTION 6 DIAGRAMS

Block Diagram - Tuner Section (AEP, UK, G, IT, EE Model)

Block Diagram - Tuner Section (E, EA, SP, MY, TW, HK, IA, JE Model)

Block Diagram - Tuner Section (TH Model)

Block Diagram - Deck Section

Block Diagram - CD Section

Printed Wiring Board - Tuner Section (AEP, UK, G, IT, EE Model)

Printed Wiring Board - Tuner Section (E, EA, SP, MY, TW, HK, IA, JE Model)

Printed Wiring Board - Tuner Section (TH Model)

Printed Wiring Board - Main Section

Schematic Diagram - Main Section

Schematic Diagram - Deck Section

Printed Wiring Board - Deck Section

Printed Wiring Board - Panel Section

Schematic Diagram - Panel Section

Schematic Diagram - CD Section

Printed Wiring Board - CD Section

IC Block Diagrams - CD Section

IC Pin Functions

CASE SECTION EXPLODED VIEW

BACK PANEL SECTION EXPLODED VIEW

FRONT PANEL SECTION 1 EXPLODED VIEW

FRONT PANEL SECTION 2 EXPLODED VIEW

CD MECHANISM SECTION EXPLODED VIEW

BASE UNIT SECTION EXPLODED VIEW

TC MECHANISM SECTION 1 EXPLODED VIEW

TC MECHANISM SECTION 2 EXPLODED VIEW

ELECTRICAL PARTS LIST

Sony HCD-H551 Specifications

General

Brand	Sony
Model	HCD-H551
Category	Stereo System
Language	English