Sony HCD-GX750 - User Manual

1
Ver 1.0 2004. 04
CD
Model Name Using Similar Mechanism NEW
Section
CD Mechanism Type CDM74-F1BD81
Optical Pick-up Name KSM-215DCP/C2NP
Tape Deck Model Name Using Similar Machanism NEW
Section Tape Transport Mechanism Type CWM43FF-05
SERVICE MANUAL
US Model
HCD-GX750/RX550
Canadian Model
HCD-GX750
E Model
HCD-RG551
HCD-GX750/RG551/RX550
AUDIO POWER SPECIFICATIONS
(HCD-GX750 USA model only)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz; rated 160 watts per channel
minimum RMS power, with no more than 10 %
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
North American models:
HCD-GX750/RX550:
Front speaker
Continuous RMS power output (reference):
160 + 160 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 80 W)
Sub woofer
Continuous RMS power output (reference):
180 watts (6 ohms at
50 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
50 Hz, 90 W)
SPECIFICATIONS
Other models:
HCD-RG551:
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
Front speaker
DIN power output (rated): 100 + 100 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Sub woofer
DIN power output (rated): 100 watts (6 ohms at
50 Hz, DIN)
Continuous RMS power output (reference):
120 watts (6 ohms at
50 Hz, 10% THD)
Inputs
GAME INPUT AUDIO L/R (phono jacks):
voltage 250 mV,
impedance 47 kilohms
GAME INPUT VIDEO (phono jack):
1 Vp-p, 75 ohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-777-01
2004D04-1
© 2004. 04
– Continued on next page –
MINI HI-FI COMPONENT SYSTEM
• HCD-GX750/RG551/RX550 is the
tuner, deck, CD and amplifier
section in MHC-GX750/RG551S/
RX550.
(Photo: HCD-GX750)

Summary

SAFETY CHECK-OUT

LEAKAGE TEST

Procedure for testing AC leakage from metal parts to earth ground.

SAFETY-RELATED COMPONENT WARNING

Warning about critical safety components and replacement instructions.

TEST MODE

Basic Test Modes

AM tuner step change, cold reset, and aging mode procedures.

Specific Test Mode Procedures

DIAGRAMS

IC Pin Descriptions

Details of pin functions for various ICs used in the system.

Block Diagrams Overview

Functional block diagrams for CD, Main, Panel/Power, and Sub Woofer sections.

Printed Wiring Boards (PWBs) and Schematics

IC Block Diagrams

Functional block diagrams for key integrated circuits.

ELECTRICAL PARTS LIST

AMP Section Parts List

List of electrical components for the amplifier section.

BD81 A Board Parts List

Panel Section Parts List

Sub Woofer;SW;Trans Parts List

Sony HCD-GX750 Specifications

General

Brand	Sony
Model	HCD-GX750
Category	Stereo System
Language	English