Sony HCD-GN700 User Manual

Model Name Using Similar Mechanism NEW
CD
CD Mechanism Type CDM74-K6BD47S
Section
Base Unit Name BU-K6BD47S
Optical Pick-up Name KSM-213DCP
TAPE
Model Name Using Similar Mechanism HCD-XGR66/XGR600
Section Tape Transport Mechanism Type CWM43RR23
MiNi Hi-Fi COMPONENT SYSTEM
US Model
HCD-GX8800
E Model
HCD-GN700
HCD-GN700/GX8800
Ver 1.0 2003.04
9-877-280-01 Sony Corporation
2003D0200-1 Home Audio Company
C 2003.04 Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-GN700/GX8800 are the amplifier,
CD player, tape deck and tuner section
in MHC-GN700/GX8800.
– Continued on next page –
SERVICE MANUAL
Photo: HCD-GN700
AUDIO POWER SPECIFICATIONS
(MHC-GX8800 USA model only)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
With 6-ohm loads, both channels driven, from 120 Hz – 10 kHz; rates
200 watts per channel minimum RMS power, with no more than 10%
total harmonic distortion from 250 miliwatts to rated output.
Amplifier section
MHC-GX8800
Total harmonic distortion Less than 0.1%
(6 ohms at 1 kHz, 100 W)
MHC-GN700
The following are measured at AC 127V, 60 Hz (Mexican model only)
The following are measured at AC 120, 220, 240V 50/60 Hz
(except Mexican model)
DIN power output (rated) 160 + 160 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
200 + 200 watts
(6 ohms at 1 kHz, 10% THD)
Inputs
GAME (VIDEO): 1 Vp-p, 75 ohms
(phono jack)
GAME (AUDIO): Voltage 250 mV,
(phono jacks) impedance 47 kilohms
MD/VIDEO (AUDIO) IN: voltage 450 mV/250 mV,
(phono jacks) impedance 47 kilohms
MIC: sensitivity 1 mV,
(phone jack) impedance 10 kilohms
Outputs
VIDEO OUT: max. output level 1 Vp-p,
(phono jacks) unbalanced, Sync.
negative load impedance 75 ohms
PHONES: accepts headphones of
(stereo mini jack) 8 ohms or more
FRONT SPEAKER: accepts impedance of 6 to 16 ohms
SURROUND SPEAKER: accepts impedance of 24 ohms or more
CD player section
System Compact disc and digital audio system
Laser Semiconductor laser
(λ=795nm)
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.
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wave length 795 nm
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wave length 660 nm
Output Level –18 dBm

Sony HCD-GN700 Specifications

General

Disc Compatibility	CD, CD-R, CD-RW
CD Player	Yes
Bluetooth	No
USB Playback	Yes
MP3 Playback	Yes
Speakers	2
Remote Control	Yes
Type	Mini HiFi Component System
Tuner	Yes (FM/AM)
Speaker Configuration	2.0
Speaker Size	16 cm
Functions	FM/AM

Summary

SPECIFICATIONS

Audio Power & CD/Tape Specs

Details power output, THD, CD, tape, and laser specifications.

SAFETY PRECAUTIONS

Safety Check-out & Leakage Procedures

Procedures for checking AC leakage and safety compliance.

SERVICING PROCEDURES

Handling Precautions for Optical & Laser Components

Precautions for handling optical pick-up and laser diode components.

Disassembly Steps

Details removal for case, panels, boards, and mechanisms.

Test Modes

GC, MC, Aging, CD Service, Ship Modes, Cold Reset, VACS modes.

TECHNICAL DETAILS

Mechanical & Electrical Adjustments

Precautions, torque, deck, CD, and tape adjustments.

Circuit Diagrams & Layouts

Board locations, block diagrams, PWBs, schematics, IC diagrams.

Exploded Views & Parts Listings

Visual breakdowns of assemblies and electrical parts lists.