Sony HCD-RV20 - User Manual

1
Ver 1.1 2003. 08
Model Name Using Similar Mechanism NEW
CD CD Mechanism Type CDM74-30BD62
Section Base Unit Name BU-30BD62
Optical Pick-up Name A-MAX.3
Tape Deck
Model Name Using Similar Machanism NEW
Section Tape Transport Mechanism Type
RV20: CWM43FF-13
RV50/RV60: CWM43RR-23
SERVICE MANUAL
E Model
HCD-RV20/RV50/RV60
Amplifier section
HCD-RV20:
The following measured at AC 120, 127, 220, 240 V,
50/60 Hz
DIN power output (rated):
80 + 80 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
100 + 100 watts (6 ohms at
1 kHz, 10% THD)
HCD-RV60:
Front speaker
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)
Music power output (reference):
400 + 400 watts (6 ohms at
1 kHz, 10% THD)
HCD-RV50:
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
HCD-RV20:
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): 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
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-378-02
2003H04-1
© 2003. 08
– Continued on next page –
COMPACT DISC DECK RECEIVER
• HCD-RV20/RV50/RV60 is the
tuner, deck, CD and amplifier
section in MHC-RV20/RV50/RV60.
(Photo: HCD-RV50)

Sony HCD-RV20 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
USB Port	No
Remote Control	Yes
Bluetooth	No
Tuner	FM/AM
Dimensions	280 x 180 x 280 mm
Functions	CD, Radio, Cassette
Output Power	20W per channel
CD Player Type	Single Disc
Cassette Deck	Yes
Audio Channels	2
Speakers	2
Dimensions (W x H x D)	280 x 180 x 280 mm

Summary

Specifications

Amplifier, Input;Output Specs

Details power output, input/output types, impedance, and levels for various ports.

CD, Tape, Tuner, General Specs

Lists specifications for CD, tape, tuner, speakers, power requirements, and dimensions.

Cautions and Model Identification

Safety and Handling Precautions

Covers general cautions, component handling, laser safety, and CD tray lock function.

Model Identification Details

Lists model variants and their corresponding part numbers.

Disassembly and Exploded Views

Disassembly Procedures and Flow

Outlines the disassembly sequence and provides a flowchart.

Exploded Views of Key Sections

Visual breakdowns of main unit, front panel, CD mechanism, and optical pick-up.

Control Interface and Diagrams

Main Unit and Remote Controls

Details button locations and functions for main unit and remote control.

Circuit Diagrams and IC Descriptions

Includes IC pin descriptions, board layouts, schematics, and IC block diagrams.

Electrical Parts List

Component Listings by Board

Lists electrical components for various boards like BD, Driver, Main, Power Amp, etc.

Miscellaneous Parts List

Lists wires, decks, fuses, transformers, and other miscellaneous parts.

Service Procedures and Adjustments

Special Test Modes and Operations

Describes various service modes like COLD RESET, AMP TEST, and Model Display.

Mechanical and Electrical Adjustments

Covers mechanical adjustments, torque measurements, and electrical calibration.

Block Diagrams

Functional block diagrams for CD/Video, Tuner/Tape/Panel, and Amp/Power Supply sections.