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Sony HCD-RV50 User Manual

Sony HCD-RV50
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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)

Table of Contents

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Sony HCD-RV50 Specifications

General IconGeneral
TypeMini Hi-Fi Component System
CD Player3-disc changer
Cassette DeckDual cassette deck
TunerAM/FM
Speakers2-Way Speakers
FunctionsCD Playback, Cassette Playback/Recording, Radio, Auxiliary Input
Power Output50W per channel (RMS)

Summary

Specifications Overview

Amplifier, Input/Output, and Mechanism Specs

Details power output, input/output jacks, and CD/tape mechanism types.

CD Player, Tuner, and Speaker Specs

Details specifications for CD player, tuner sections, and speaker systems.

General Unit Specs and Safety Warning

Covers power requirements, dimensions, mass, accessories, and safety.

Safety and Handling Precautions

General Safety and Handling Precautions

General warnings, component handling, and optical pick-up laser safety.

CD Tray Lock and Model Identification

Specific function for CD tray lock and model identification details.

General Information and Controls

Main Unit Controls Overview

Lists buttons and reference pages for the main unit.

Remote Control Buttons Overview

Lists remote control buttons and reference pages.

Button Descriptions (RV20)

Details the function of RV20 unit and remote buttons.

Button Descriptions (RV50/RV60)

Details the function of RV50/RV60 unit and remote buttons.

Disassembly Procedure

Disassembly Overview and Initial Steps

Flowchart and initial steps for case and CD door removal.

Mechanism and Front Panel Disassembly

Steps for removing the CD mechanism block and front panel section.

Board Removal Procedures

Steps for removing tape deck, panel, jack, main, and power amp boards.

Other Component Disassembly

Steps for video, CD block, optical pick-up, motors, and sensors.

Diagrams and IC Pin Descriptions

IC Pin Descriptions

Details pin functions for system control ICs.

Circuit Board Locations and Waveforms

Visuals of board layout and key waveforms.

CD Mechanism Diagrams

PWB and schematic diagrams for CD mechanism.

Video Section Diagrams

PWB and schematic diagrams for video circuits.

Main Section Diagrams

PWB and schematic diagrams for the main unit.

Panel Section Diagrams

PWB and schematic diagrams for the panel section.

Jack Section Diagrams

PWB and schematic diagrams for the jack section.

Power Amp Section Diagrams

PWB and schematic diagrams for the power amp.

Transformer Section Diagrams

PWB and schematic diagrams for the transformer.

IC Block Diagrams

Block diagrams for key ICs.

Exploded Views

Main Section Exploded View

Illustrates exploded parts of the main unit.

Front Panel Section Exploded Views

Illustrates exploded parts of the front panel.

Main Board Section Exploded View

Illustrates exploded parts of the main board.

CD Mechanism Deck and Optical Pick-up Views

Illustrates exploded parts of CD mechanism and optical pick-up.

Electrical Parts List

Core Board Components (BD, Driver, Jack, Main)

Lists components for BD, driver, jack, and main boards.

Supporting Board Components (Panel, Motor, Transformer)

Lists components for panel, motor, and transformer boards.

Amplifier and Video/Remote Board Components

Lists components for power amp, video, and remote boards.

Special Test Modes

Basic Operational Modes

Covers Cold Reset, Tuner Step, CD Ship, MD/Video, Tray Lock.

Amplifier and Aging Mode Checks

Covers Amplifier Test and Aging Modes.

Diagnostic and Service Modes

Covers GC, MC, Model Info, CD Error, CD Service, Repeat Cancel.

Mechanical Adjustments

Mechanical Adjustment Precautions

General precautions for mechanical adjustments.

Torque Measurement Specifications

Details torque values for FWD, REV, FF/REW, and tensions.

Electrical Adjustments

Deck Section Adjustments

Covers azimuth and speed adjustments using test tapes.

CD Section Checks

Covers S-curve, Traverse, and RF level checks for CD.

Block Diagrams

CD/Video Section Block Diagram

Shows signal flow for CD and video processing.

Tuner/Tape/Panel Section Block Diagram

Shows signal flow for tuner, tape, and panel functions.

Amplifier and Power Supply Section Block Diagram

Shows signal flow for amplifier and power supply.

Revision History

Revision Log

Details changes made in different versions of the manual.

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