Sony HCD-RG190 Service Manual

SERVICE MANUAL
COMPACT DISC DECK RECEIVER
Ver. 1.2 2006.06
SPECIFICATIONS
9-887-145-03
2006F05-1
© 2006.06
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
Photo: HCD-RG290
• HCD-RG190 is the amplifier, CD player, tape
deck and tuner section in MHC-RG190.
• HCD-RG290 is the amplifier, CD player, tape
deck and tuner section in MHC-RG290.
– Continued on next page –
Model Name Using Similar Mechanism HCD-RG490/RG590
CD Mechanism Type
CDM74KF-K6BD83S (Except Mexican model)/
CD
CDM74KF-F1BD84 (Mexican model)
Section Base Unit Name
BU-K6BD83S-WOD (Except Mexican model)/
BU-F1BD84 (Mexican model)
Optical Pick-up Block Name
KSM-213DHAP (Except Mexican model)/
KSM-215DCP (Mexican model)
TAPE Model Name Using Similar Mechanism HCD-RG490/RG590
Section Tape Transport Mechanism Type CWN42FF609
HCD-RG190/RG290
Amplifier Section
HCD-RG290
The following are measured at AC 120, 127,
220, 240 V 50/60 Hz
DIN power output (rated): 95 + 95 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 125 + 125 watts (6 ohms at 1
kHz, 10% THD)
HCD-RG190
The following are measured at AC 120, 127,
220, 240 V 50/60 Hz
DIN power output (rated): 50 + 50 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output
(reference): 65 + 65 watts (6 ohms at 1
kHz, 10% THD)
Inputs:
AUDIO IN (stereo mini jack): voltage 250
mV, impedance 47 kilohms
MIC (phone jack) (Latin American model
only): sensitivity 1 mV, impedance 10
kilohms
Outputs:
PHONES (stereo mini jack): accepts
headphones of 8 ohms or more
VIDEO OUT (phono jack) (Mexican
model only): max. output level 1Vpp,
unbalanced, Sync negative, load
impedance 75 ohms
SPEAKER: accepts impedance of 6 to 16
ohms
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission duration: continuous Laser
Output*: Less than 44.6µW
*This output is the value measurement at a
distance of 200mm from the objective lens
surface on the Optical Pick-up Block with
7mm aperture.
Frequency response: 20 Hz – 20 kHz
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
FM tuner section:
Tuning range
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
Pan-American model:
530 – 1,710 kHz (with 10 kHz tuning interval)
531 – 1,710 kHz (with 9 kHz tuning interval)
AEP Model
E Model
Australian Model
HCD-RG190/RG290
UK Model
Mexican Model
HCD-RG290

Sony HCD-RG190 Specifications

General

Brand	Sony
Model	HCD-RG190
Category	Stereo System
Language	English

Summary

Specifications

Amplifier Section Specifications

Details power output, impedance, and sensitivity for amplifier.

CD Player Section Specifications

Covers system, laser diode, frequency response, SNR, and dynamic range.

Tape Deck Section Specifications

Details recording system and frequency response for tape playback.

Tuner Section Specifications

Outlines FM/AM tuner capabilities, tuning ranges, and IF.

Servicing Notes

Handling Sensitive Components

Precautions for optical pick-up, laser diode emission, and unleaded solder.

Safety and Special Procedures

Covers antitheft lock release and IC replacement guidelines.

Model Identification

Details how to identify different models based on back panel labels.

General Information

Unit and Remote Controls Overview

Explains the function of buttons on the unit and remote control.

Disassembly Procedures

Disassembly Flowchart

Visual guide showing the order of disassembly steps.

Case and Lid Removal

Step-by-step instructions for removing the outer casing and CD lid.

Component Board Removal

Procedures for detaching CD mechanism, front panel, and other internal boards.

Test Modes

System Reset and Initialization

Procedures for Cold Reset and CD Ship (Lock) Mode.

Diagnostic and Special Test Modes

Covers Amplifier Test, MC Test, and Version Display Modes.

Error Code Display and Management

Explains how to view and interpret CD error codes.

Mechanical Adjustments

Precautions and Cleaning

Guidelines for cleaning parts and using tools during adjustments.

Torque and Tension Measurements

Specifications for measuring component torque and tape tension.

Electrical Adjustments

Deck Section Electrical Adjustments

Details on demagnetizing heads and adjusting azimuth.

CD Section Focus Bias Check

Procedure for verifying optical pick-up focus bias using an oscilloscope.

Diagrams and Circuit Information

Block Diagrams Overview

High-level overview of signal flow across major system sections.

Printed Wiring Boards

Layouts showing component placement on various circuit boards.

Schematic Diagrams

Detailed electrical schematics for key circuit boards.

Circuit Boards Location

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

Component-Level Information

Waveforms

Visual representations of key signal waveforms for diagnostics.

IC Block Diagrams

Simplified internal block diagrams for major integrated circuits.

IC Pin Function Descriptions

Detailed listing of pin functions for integrated circuits.

Exploded Views and Parts List

Exploded Views of Assemblies

Visual breakdown of the unit's main assemblies for parts identification.

Electrical Parts List

Comprehensive list of all electronic components with part numbers.

Supplement-1: DECK Board Changes

New/Former Description

Details the former and new component side layout of the DECK board.

Supplement-2: Main and Key Board Changes

NEW/FORMER Descriptions

Highlights changes in MAIN and KEY RIGHT boards for specific models.

Updated Diagrams Overview

Refers to updated schematic and PWB diagrams for revised boards.