Sony HCD-RG222 User Manual

HCD-RG222
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
MINI HI-FI COMPONENT SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-657-01
2004D1678-1
 2004.04
• HCD-RG222 is the tuner, deck, CD and
amplifier section in MHC-RG222.
SPECIFICATIONS
Ver 1.0 2004.04
Model Name Using Similar Mechanism New
CD
CD Mechanism Type CDM74-F1BD81
Section
Optical Pick-up Name KSM-215DCP/C2NP
Tape deck Model Name Using Similar Mechanism New
Section Tape Transport Mechanism Type CWM43FF-05
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 100 + 100 watts (6 ohms at
1kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1kHz, 10% THD)
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wavelength 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
General
Power requirements
European and Russian models:
230 V AC, 50/60 Hz
Australian model: 230 – 240 V AC, 50/60 Hz
Argentine models: 220 V AC, 50/60 Hz
Mexican models: 127 V AC, 60 Hz
Saudi Arabian model: 120 – 127/220 or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Other models: 120 V, 220 V or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Power consumption
European and Russian models:
110 watts
0.25 watts (at the Power
Saving Mode)
Other models: 180 watts
Dimensions (w/h/d) incl. projecting parts and controls
Amplifier/Tuner/Tape/CD section:
Approx. 280 × 327 ×
425 mm
Amplifier section
Other models: 87.5 – 108.0 MHz
(50-kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
European, Russian and Saudi Arabian models:
531 – 1,602 kHz (with the
tuning interval set at
9kHz)
Other models: 530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
FM tuner section
Tuning range
Russian model: 65.0 – 74.0 MHz
(There is no stereo effect.
10-kHz step)
87.5 – 108.0 MHz
(50-kHz step)
— Continued on next page —

Sony HCD-RG222 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
Tuner	FM/AM
Bluetooth	No
USB Port	Yes
Audio Line-in	Yes
Remote Control	Yes
Audio Channels	2.0
MP3 Playback	Yes
Supported Media	CD
Speakers	2

Summary

System Specifications

CD Player Specifications

Details on CD player system, laser, frequency response, etc.

Tape Deck Specifications

Details on tape deck recording system and frequency response.

Tuner Specifications

Details on FM and AM tuner tuning ranges and intermediate frequencies.

Amplifier Specifications

Technical specifications for the amplifier section.

General Unit Specifications

Power requirements, consumption, and dimensions of the unit.

Product Information and Safety

Model Identification

Details on model names and corresponding part numbers.

Safety Component Warning

Critical safety component replacement guidelines and warnings.

Unleaded Solder Information

Characteristics and handling guidelines for unleaded solder.

Handling and Repair Precautions

Optical and Laser Safety

Precautions for handling optical pick-ups and checking laser diodes.

Component Replacement Notes

Guidelines for replacing chip components and repairing flexible circuit boards.

Servicing Notes

Service Position for AMP Board

Procedure for accessing and inspecting the AMP board.

Service Position for BD81A Board

Procedure for accessing and inspecting the BD81A board.

General Information

Button Locations and Reference Pages

Guide to button locations on the main unit with page references.

Remote Control Operation

Setting and Adjusting the Clock

Instructions for setting and adjusting the system clock via remote control.

Disassembly Procedures

External Components Disassembly

Steps to remove the unit's top cover, CD door, and front panel.

Internal Mechanism and Board Removal

Procedures for removing CD/tape mechanisms, panel, and main associated boards.

Component and Specific Board Removal

Steps to remove optical pick-up, sensor, motor boards, and other specific circuit boards.

Test Modes and Procedures

Tuner and System Reset Modes

Modes for AM tuner step change, cold reset, and CD ship modes.

Operational and Maintenance Modes

Aging mode, CD service mode, disc tray lock, and repeat limit release.

Component Functionality Tests

Tests for panel indicators, keyboard, equalizer, and amplifier functions.

Diagrams and Circuit Layouts

Circuit Board Locations and Block Diagrams

Visual guide to board locations and block diagrams of major sections.

Printed Wiring Boards

PWB layouts for BD81A, CD Mechanism, Main, Panel, Trans, and Amp sections.

Schematic Diagrams

Detailed schematic diagrams for BD81A, CD Mechanism, Main, Panel, Trans, and Amp sections.

IC Diagrams and Pin Functions

Block diagrams and pinout details for key integrated circuits.

Exploded Views

Main and Front Panel Views

Exploded views of the main section and front panel assembly.

Board and Mechanism Views

Exploded views of the main board and CD mechanism deck sections.

Electrical Parts List

General Component Lists

Lists of capacitors, resistors, and other common components.

Board-Specific Component Lists

Detailed parts lists for specific boards like AMP, BD81A, Main, Panel, etc.

Revision History

Document Revision Log

Record of document revisions and their dates.