Sony HCD-RG88 User Manual

SERVICE MANUAL
COMPACT DISC DECK RECEIVER
E Model
HCD-RG88
Ver 1.0 2002.03
9-873-655-01 Sony Corporation
2002C0500-1 Home Audio Company
C 2002.03 Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-RG88 is the amplifier, CD player,
tape deck and tuner section in MHC-
RG88.
– Continued on next page –
Model Name Using Similar Mechanism HCD-RG77
CD
CD Mechanism Type CDM58E-30BD60C
Section
Base Unit Name BU-30BD60C
Optical Pick-up Name A-MAX.3
TAPE
Model Name Using Similar Mechanism HCD-RG77
Section
Tape Transport Mechanism Type TCM-230AWR41CS
Amplifier section
The following are measured at AC 120, 220, 240V
50/60 Hz
DIN power output (rated)
160 + 160 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
210 + 210 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
SUBWOOFER accept impedance of
8 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
Tape player section
Recording system 4-track 2-channel stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassette

Sony HCD-RG88 Specifications

General

Brand	Sony
Model	HCD-RG88
Category	Stereo System
Language	English

Summary

SECTION 1 SERVICING NOTES

Handling Optical Pick-up and Laser Diode

Precautions for handling optical pick-up and laser diode.

Model Identification

Identifies model numbers and corresponding part numbers.

SECTION 2 GENERAL

Location of Front Panel Controls

Identifies and labels front panel controls and indicators.

Setting the System Clock

Step-by-step procedure for setting the system clock.

SECTION 3 DISASSEMBLY

Disassembly Flow Chart

Outlines the sequence for disassembling the unit.

Component Disassembly Steps

Details on removing top case, panels, boards, and mechanisms.

SECTION 4 TEST MODE

Test Mode Procedures

Instructions for various diagnostic and operational test modes.

SECTION 5 & 6 ADJUSTMENTS

Mechanical Adjustments

Procedures for mechanical adjustments and torque measurements.

Electrical Adjustments

Procedures for electrical adjustments, deck and CD sections.

SECTION 7 DIAGRAMS & SCHEMATICS

Block Diagrams

High-level functional block diagrams of key system sections.

Printed Wiring Board Layouts

Layouts of printed wiring boards for various sections.

Schematic Diagrams

Detailed circuit schematics for system sections.

SECTION 8 EXPLODED VIEWS

Exploded Views by Section

Exploded views of various unit sections like panels and mechanisms.

SECTION 9 ELECTRICAL PARTS LIST

Component Parts Lists by Board

Comprehensive list of parts organized by board for the unit.