Sony HCD-C450 User Manual

HCD-C450
US Model
Canadian Model
E Model
Australian Model
SERVICE MANUAL
COMPACT AV SYSTEM
HCD-C450 is the amplifier, DVD/CD and tuner
section in DAV-C450.
SPECIFICATIONS
Ver 1.3 2003. 05
Model Name Using Similar Mechanism NEW
Mechanism Type CDM53K-DVBU7
Base Unit Name DVBU7
Optical Pick-up Name KHM-240AAA
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-874-002-04
2003E16-1
© 2003.05
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 3 ohms loads, both channels driven, from 120 – 10,000 Hz; rated
80 watts per channel minimum RMS power, with no more than 10 %
total harmonic distortion from 250 milliwatts to rated output.
Amplifier section
Stereo mode
North American and Mexican models:
80 W + 80 W (3 ohms at 1 kHz, THD 10 %)
Other models: 70 W + 70 W (4 ohms at 1 kHz, THD 10 %)
Surround mode
North American and Mexican models:
Front: 80 W + 80 W
Center*: 80 W
Rear*: 80 W + 80 W (3 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
Other models: Front: 70 W + 70 W
Center*: 70 W
Rear*: 70 W + 70 W (4 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
* Depending on the sound field settings and the source, there may be no sound output.
Inputs (Analog) AUDIO 1, 2:
Sensitivity: 150 mV
Impedance: 50 kilohms
Inputs (Digital) AUDIO 2 (optical):
Sensitivity: –
Outputs (Analog) AUDIO 1 (AUDIO OUT):
Vo ltage: 2 V
Impedance: 1 kilohms
PHONES:
Accepts low and high-impedance headphones
Super Audio CD/DVD system
Laser Semiconductor laser
(Super Audio CD/DVD: λ
 = 650 nm)
(CD: λ = 780 nm)
Emission duration: continuous
Signal format system NTSC or NTSC/PAL
Frequency response (at 2 CH STEREO mode)
DVD (PCM): 2 Hz to 22 kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0 dB)
Signal-to-noise ratio More than 80 dB (AUDIO 1 (AUDIO) connectors only)
Harmonic distortion Less than 0.03 %
FM tuner section
System PLL quartz-locked digital synthesizer system
North American model: 87.5 – 108.0 MHz (100 kHz step)
Other models: 87.5 – 108.0 MHz (50 kHz step)
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
AM tuner section
System Tuner section:
PLL quartz-locked digital synthesizer system
Tuning range
North American model: 530 – 1,710 kHz (with the interval set at 10 kHz)
531 – 1,710 kHz (with the interval set at 9 kHz)
Middle Eastern, and Philipinne models:
531 – 1,602 kHz (with the interval set at 9 kHz)
Other models: 531 – 1,602 kHz (with the interval set at 9 kHz)
530 – 1,710 kHz (with the interval set at 10 kHz)
Antenna Loop antenna
Video section
Outputs VIDEO: 1 Vp-p 75 ohms
S-VIDEO: Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT: Y: 1 Vp-p 75 ohms
P
B /C B , P R /C R : 0.7 Vp-p 75 ohms
General
Power requirements
North American model: 120 V AC, 60 Hz
Australian and Asian models: 220 – 240 V AC, 50/60 Hz
Middle Eastern, and Philippine models:
110 – 240 V/ 220 – 240 V AC, 50/60 Hz
Power consumption 120 W (120 V AC), 120 W (230 V AC)
Dimensions (approx.) 355 × 100 × 394 mm (14 × 4 × 15
5
/ 8 inches) (w/h/d) incl. projecting parts
Mass (approx.) 5.5 kg (12 lb 3 oz)
Operating temperature 5˚C to 35˚C (41˚F to 95˚F)
Operating humidity 5 % to 90 %
Design and specifications are subject to change without notice.

Sony HCD-C450 Specifications

General

Type	Mini Hi-Fi Component System
Power Output	100 W
CD Player	Yes
Radio Tuner	FM/AM
Bluetooth	No
USB Port	No
Remote Control	Yes
Speakers	2
Cassette Deck	Yes

Summary

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

Details amplifier output power and total harmonic distortion for different modes and models.

Super Audio CD/DVD System Specs

Technical specifications for Super Audio CD/DVD playback system, including laser and signal format.

Tuner Section Specifications

Technical details for FM and AM tuners, including frequency range and antenna requirements.

Video and General Specifications

Technical specs for video outputs and general operating conditions, power, dimensions.

SELF-DIAGNOSIS AND SERVICING NOTES

Self-diagnosis Function and Error Codes

Explains the self-diagnosis system, error codes, and corrective actions for malfunctions.

Optical Pick-up Replacement Servicing

Details on optical pick-up replacement, type discrimination, and parts list.

SAFETY AND OPERATION CHECKS

Safety Check-out Procedures

Essential safety checks, including AC leakage measurement, after service.

Leakage Current Measurement

Procedures for measuring AC leakage current from exposed metal parts.

Handling Optical Pick-up and Laser Diode

Precautions for handling optical pick-up blocks and laser diode emission checks.

Remote Commander Operation Check

Guidance on checking operations with remote commanders of different models.

SECTION 1 GENERAL

Index to Parts and Controls

Lists and identifies parts and controls on the front and rear panels with page references.

SECTION 2 DISASSEMBLY PROCEDURES

2-1. Case (Top) Disassembly

Step-by-step guide for removing the top case of the unit.

2-2. Tuner Unit Disassembly

Instructions for disassembling the tuner unit.

2-3. Front Panel Section Disassembly

Steps for removing the front panel section of the unit.

2-4. POWER Board Disassembly

Procedure for disassembling the power board.

2-5. Mechanism Deck Disassembly

Guide for disassembling the mechanism deck (CDM53K-DVBU7).

2-6. RF-240 Board Disassembly

Steps for removing the RF-240 board.

2-7. Fitting Base (Magnet) Assembly Disassembly

Procedure for disassembling the fitting base (magnet) assembly.

2-8. DVD Base Unit Disassembly

Instructions for disassembling the DVD base unit (DVBU7).

2-9. Optical Pick-up Disassembly

Guide for disassembling the optical pick-up unit (KHM-240AAA).

2-10. CLAMP MOTOR Board, Motor Assembly Disassembly

Steps for disassembling the clamp motor board and assembly.

2-11. Fitting Base (Guide) Assembly, Bracket Disassembly

Procedure for disassembling fitting base (guide) and bracket (chassis).

2-12. Tray (240) Disassembly

Instructions for disassembling the tray component.

2-13. Chassis (Mold B) Section Disassembly

Steps for disassembling the chassis mold B section.

2-14. LOAD MOTOR Board, Motor Assembly Disassembly

Procedure for disassembling the load motor board and assembly (M702).

2-15. Stocker Section Disassembly

Guide for disassembling the stocker section.

2-16. Slider, Tension Spring, Slider Disassembly

Steps for disassembling slider, tension spring, and shutter.

2-17. Gear Assemblies Disassembly

Procedure for disassembling gear assemblies (A, B, U/D Slider).

2-18. Gear (Chucking) Disassembly

Instructions for disassembling the chucking gear.

SECTION 3 TEST MODE OPERATIONS

Test Mode Entry and Basic Procedures

Details on entering and using various test modes like Version, Jog, Key, Display, OSD, and Disc Tray Lock.

Syscon Diagnosis and Checking Methods

Comprehensive system diagnosis and general methods for checking various functions.

Drive System Adjustments and Checks

Procedures for drive auto-adjustment, manual operation, disc checks, and servo control.

Electrical Adjustment Procedures

Steps for performing electrical adjustments, particularly for the video system.

SECTION 5 DIAGRAMS AND CIRCUIT BOARDS

Circuit Boards Location Overview

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

Block Diagrams Overview

Block diagrams illustrating the signal flow in different sections of the unit.

Printed Wiring Board Layouts

Printed wiring board layouts for RF, DVD, AMP, I/O, FRONT, SW, CDM, and POWER boards.

Schematic Diagrams

Schematic diagrams for various boards including RF, DVD, AMP, I/O, FRONT, SW, CDM, and POWER sections.

IC Block Diagrams and Pin Descriptions

Block diagrams and pin function descriptions for key integrated circuits.

SECTION 6 EXPLODED VIEWS

Exploded Views of Unit Assemblies

Provides exploded views of various sections like case, chassis, front panel, and mechanism.

SECTION 7 ELECTRICAL PARTS LIST

AMP Board Parts List

List of electrical components for the amplifier board.

DVD Board Parts List

List of electrical components for the DVD board.

I/O Board Parts List

List of electrical components for the I/O board.

SW Section Parts List

List of electrical components for the SW section.

POWER Board Parts List

List of electrical components for the power board.

REVISION HISTORY