Sony HCD-GTX88 - Service Manual

1
Ver. 1.0 2007. 06
Model Name Using Similar Mechanism NEW
CD
CD Mechanism Type CDM74KF-K6BD91UR-WOD//M
Section
Optical Pick-up Name KSM-213DCP/C2NP
Tape Deck
Model Name Using Similar Machanism HCD-GN1100D
Section
SERVICE MANUAL
E Model
Australian Model
HCD-GTX88
Amplifier section
Brazil model only
The following are measured at
AC 127 V or 220 V, 50/60 Hz
Front/Surround speaker
RMS output power: 205 W + 205 W
(at 8 Ω, 1 kHz, 10% THD)
Subwoofer
RMS output power: 130 W + 130 W
(at 6 Ω, 100 Hz, 10% THD)
Other models
The following are measured at
Mexican model: AC 127 V, 60 Hz
Other models: AC 120, 220, 240 V, 50/60 Hz
Front/Surround speaker
Power Output (rated): 175 W + 175 W
(at 8 Ω, 1 kHz, 1% THD)
RMS output power (reference):
255 W + 255 W
(per channel at 8 Ω, 1 kHz,
10% THD)
Subwoofer
RMS output power (reference):
130 W + 130 W
(at 6 Ω, 100 Hz, 10% THD)
SPECIFICATIONS
Inputs
VIDEO (AUDIO IN) L/R:
Voltage 250 mV,
impedance 47 kilohms
AUDIO (AUDIO IN) L/R:
Voltage 450 mV,
impedance 47 kilohms
MIC: Sensitivity 1 mV,
impedance 10 kilohms
(USB) port: Type A
Outputs
PHONES: accepts headphones of
8 ohms or more
Disc player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=770 – 810 nm)
Emission duration:
continuous
Laser Output Max. 44.6 µW*
* 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.
Sony Corporation
Personal Audio Division
Published by Sony Techno Create Corporation
9-887-753-01
2007F04-1
© 2007. 06
– Continued on next page –
CD DECK RECEIVER
• HCD-GTX88 is the tuner, deck,
CD and amplifier section in
MHC-GTX88.

Summary

HCD-GTX88 Service Manual Overview

System Specifications

Detailed specifications for amplifier, tuner, tape, CD, and USB sections.

HCD-GTX88 Service Manual Procedures

General Information and Controls

Overview of unit controls, indicators, and general information.

Disassembly and Test Modes

Guides for unit disassembly and diagnostic test modes.

Adjustments and Troubleshooting

Procedures for mechanical, electrical adjustments, and error handling.

HCD-GTX88 Diagrams and Views

System Block Diagrams

Block diagrams illustrating signal flow for various sections.

Circuit Board Layouts and Schematics

Visuals of board layouts and detailed circuit schematics.

Exploded Views of Major Assemblies

Visual breakdowns of main, front panel, chassis, and CD mechanism.

HCD-GTX88 Parts and Components

Electrical Parts List - Key Boards

Component listings for main, power, USB, and subwoofer boards.

Sony HCD-GTX88 Specifications

General

Brand	Sony
Model	HCD-GTX88
Category	Stereo System
Language	English