Sony HCD-RG660 User Manual

1
Ver 1.0 2003. 06
Model Name Using Similar Mechanism NEW
CD CD Mechanism Type CDM74F-K6BD71B
Section Base Unit Name BU-K6BD71B
Optical Pick-up Name KSS-213DCP
Tape Deck Model Name Using Similar Machanism CX-JT8
Section Tape Transport Mechanism Type CWM43RR-23
SERVICE MANUAL
AEP Model
UK Model
E Model
HCD-RG550/RG660
Amplifier section
European model:
HCD-RG660:
Front speaker
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)
Music power output (reference):
400 + 400 watts (6 ohms at
1 kHz, 10% THD)
Other models:
HCD-RG660:
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
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)
HCD-RG550:
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
DIN power output (rated):
115 + 115 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
SPECIFICATIONS
Inputs
MD (VIDEO) IN L/R (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
GAME INPUT AUDIO L/R (phono jacks):
voltage 250 mV,
impedance 47 kilohms
GAME INPUT VIDEO (phono jack):
1 Vp-p, 75 ohms
MIC (phone jack) (except for European model):
sensitivity 1 mV,
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack):
max. output level
1 Vp-p, unbalanced, Sync
negative, load impedance
75 ohms
SPEAKER: accepts impedance of 6 to
16 ohms
SURROUND SPEAKER (HCD-RG660 only):
accepts impedance of 24
ohms
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-961-000-01
2003F04-1
© 2003. 06
– Continued on next page –
COMPACT DISC DECK RECEIVER
• HCD-RG550/RG660 is the
tuner, deck, CD and amplifier
section in MHC-RG550/RG660.
(Photo: HCD-RG550)

Sony HCD-RG660 Specifications

General

CD Player	Yes
Radio Tuner	AM/FM
Bluetooth	No
USB Playback	Yes
Disc Player	CD
Tape Deck	Yes
Power Output	100 Watts
Speaker Configuration	2.0

Summary

Specifications Overview

Input and Output Details

Detailed Specifications

CD, Tape, and Tuner Performance

Speaker and General Unit Details

Safety Component Warning

Service Precautions and Cautions

General Servicing Safety

Cautions on radiation exposure, chip components, flexible boards, and laser diodes.

Specialized Functions and Checks

Details on CD tray lock, laser diode checks, and unleaded solder.

Disassembly Procedures

Main Unit Disassembly Steps

Step-by-step guide for disassembling the main unit into major sections.

Board Removal Procedures

Disassembly: Case and CD Door

Removing Top Case

Instructions for removing the top case of the unit.

Removing CD Door

Disassembly: CD Mechanism Block

Detaching CD Mechanism

Steps to detach the CD mechanism block from the main unit.

Disassembly: Front Panel Section

Removing Front Panel

Instructions for detaching the front panel section.

Disassembly: Tape Deck and Panel Components

Removing Tape Mechanism Deck

Procedure for detaching the tape mechanism deck.

Removing Panel Boards

Disassembly: Jack and Back Panel Sections

Removing Jack Board

Instructions for detaching the jack board.

Removing Back Panel Section

Procedure for removing the back panel section.

Disassembly: Main and Power Amp Boards

Removing Main Board

Steps to detach the main board.

Removing Power Amp Board

Procedure for removing the power amplifier board.

Disassembly: CD Mechanism Sub-boards

Removing SW, Driver Boards

Instructions for detaching the SW and driver boards.

Disassembling CD Block Assy

Steps for disassembling the CD block assembly.

Disassembly: Sensor and Motor (TB) Boards

Removing Sensor Board

Procedure for detaching the sensor board.

Removing Motor (TB) Board

Steps to remove the motor (TB) board.

Disassembly: Motor (LD) and BD Boards

Removing Motor (LD) Board

Instructions for detaching the motor (LD) board.

Removing BD Board

Procedure for removing the BD board.

Disassembly: Optical Pick-up

Removing Optical Pick-up

Steps to remove the optical pick-up unit.

Test Modes

Operational Test Modes

Covers Cold Reset, Tuner Step, CD Ship, MD/Video, CD Tray Lock, Amp Test, Model Display, CD Error, CD Service, Repeat Limit modes.

Aging Mode Operation

Aging Mode Procedures

Procedures for aging mode checks of CD and tape sections, including sequences.

Test Modes (Continued)

Specialized Test Modes

Covers GC Test, MC Test, Model/Destination/Version Display, CD Error, CD Service, and 5 Repeat Limit modes.

Electrical Adjustments: CD Section

CD Section Adjustment Procedures

S-Curve Check and RF Level Check procedures for CD section.

Block Diagrams: CD Section

CD Section Signal Path

Diagram showing signal flow within the CD section.

Block Diagrams: Tuner/Tape/Panel Section

Tuner/Tape/Panel Signal Paths

Diagrams showing signal paths for tuner, tape, and panel sections.

Block Diagrams: Amp/Power Supply Section

Amp/Power Supply Signal Paths

Diagrams showing signal paths for amplifier and power supply circuits.

Circuit Boards Location

Internal Board Placement

Printed Wiring Board: CD Mechanism (1/2)

BD Board Component Layout

Schematic Diagram: CD Mechanism (1/2)

BD Board Schematics

Printed Wiring Boards: CD Mechanism (2/2)

CD Mechanism Sub-board Layouts

Schematic Diagram: CD Mechanism (2/2)

CD Mechanism Sub-board Schematics

Schematic Diagram: Main Section (1/4)

Main Board Schematics (1/4)

Schematic Diagram: Main Section (2/4)

Main Board Schematics (2/4)

Schematic Diagram: Main Section (3/4)

Main Board Schematics (3/4)

Schematic Diagram: Main Section (4/4)

Main Board Schematics (4/4)

Printed Wiring Board: Main Section

Main Board Component Layout

Printed Wiring Boards: Panel/LED Sections

Panel Board Component Layout

Schematic Diagram: Panel Section

Panel Board Schematics

Printed Wiring Boards: Jack/Video Out Sections

Jack Board Component Layout

Schematic Diagram: Jack Section

Jack Board Schematics

Printed Wiring Board: Power Amp Section

Power Amp Board Component Layout

Schematic Diagram: Power Amp Section (1/2)

Power Amp Schematics (Part 1)

Schematic Diagram: Power Amp Section (2/2)

Power Amp Schematics (Part 2)

Printed Wiring Board: Transformer Section (RG550)

RG550 Transformer Board Layout

Printed Wiring Board: Transformer Section (RG660)

RG660 Transformer Board Layout

Schematic Diagram: Transformer Section

Transformer Section Schematics

IC Block Diagrams: IC721

IC721 Functionality

Block diagram for the LC78646E-E IC.

IC Block Diagrams: IC701, IC712, IC301

Driver and Main IC Block Diagrams

Block diagrams for Driver and Main ICs.

IC Block Diagrams: IC201

IC201 HA12237F Block Diagram

Exploded Views: Main Section

Main Unit Assembly Breakdown

Exploded Views: Front Panel Section (1)

Front Panel Assembly (Part 1)

Exploded Views: Front Panel Section (2)

Front Panel Assembly (Part 2)

Exploded Views: Front Panel Section (3)

Front Panel Assembly (Part 3)

Exploded Views: Main Board Section

Main Board and Transformer Assembly

Exploded Views: CD Mechanism Deck (1)

CD Mechanism Assembly (Part 1)

Exploded Views: CD Mechanism Deck (2)

CD Mechanism Assembly (Part 2)

Exploded Views: Base Unit Section

Base Unit Assembly Breakdown