Sony MHC-DX30 Service Manual

MHC-DX30/RG40
US Model
Canadian Model
AEP Model
MHC-RG40
E Model
Australian Model
MHC-DX30
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
Sony Corporation
Home Audio Company
Shinagawa Tec Service Manual Production Group
9-873-150-01
2001E1600-1
© 2001.5
• MHC-DX30/RG40 are composed of following models.
As for the service manual, it is issued for each
component model, then, please refer to them.
Ver 1.0 2001. 05
COMPONENT MODEL NAME
MHC-DX30 MHC-RG40
COMPACT DISK DECK
HCD-DX30 HCD-RG40
RECEIVER SYSTEM
SPEAKER SYSTEM SS-DX30 SS-RG40
PARTS LIST
Part No. Description Remark
ACCESSORIES & PACKING MATERIALS
********************************
1-476-503-11 COMMANDER, STANDARD (RM-SR210) (DX30,RG40:AEP)
1-476-512-11 COMMANDER, STANDARD(RM-SR210AU)
(RG40:US,Canadian)
1-501-374-11 ANTENNA, LOOP
1-501-594-11 ANTENNA (FM) (RG40:AEP,DX30:KR)
1-501-659-41 ANTENNA (FM)
(DX30:AUS,E2,E51,MX,SP,AR,TH,RG40:US,Canadian)
4-210-254-01 CUSHION (FOOT)
4-223-953-01 COVER,BATTERY(FOR RM-SR210) (DX30,RG40:AEP)
4-228-953-01 COVER,BATTERY(FOR RM-SR210AU) (RG40:US,Canadian)
4-233-605-11 MANUAL, INSTRUCTION (ENGLISH) (RG40)
4-233-605-21 MANUAL, INSTRUCTION (FRENCH) (RG40:Canadian)
4-233-605-41 MANUAL, INSTRUCTION (FRENCH,SPANISH) (RG40:AEP)
4-233-605-51 MANUAL, INSTRUCTION
(GERMAN,DUTCH,ITALIAN,SWEDISH,POLISH) (RG40:AEP)
4-234-236-11 MANUAL, INSTRUCTION (ENGLISH)
(DX30:AUS,E2,E51,SP,AR)
4-234-236-31 MANUAL, INSTRUCTION (SPANISH) (DX30:E51,MX)
4-234-236-41 MANUAL, INSTRUCTION (FRENCH,SPANISH) (DX30:E2,SP)
4-234-236-61 MANUAL, INSTRUCTION (CHINESE) (DX30:SP)
4-234-236-71 MANUAL, INSTRUCTION (KOREAN) (DX30:KR)
4-234-994-11 MANUAL, INSTRUCTION (THAI,ENGLISH) (DX30:TH)
• Abbreviation
AR : Argentina model
AUS : Australian model
E2 : 120 V AC Area in E model
E51 : Chilean and peruvian model
KR : Korea model
MX : Mexican model
SP : Singapore model
TH : Thai model

Sony MHC-DX30 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
Radio Tuner	FM/AM
Bluetooth	No
USB Playback	No
CD Player Type	Single Disc
Remote Control	Yes
CD Playback	Yes
Functions	CD, Radio
Output Power	30W per channel (at 6 ohms, 1kHz, 10% THD)
Speakers	2 Speakers

Summary

System Specifications

Audio, Amplifier, and CD Player Specifications

Details power output, distortion, and CD player specifications.

Safety Procedures

Safety Check-out and AC Leakage Testing

Outlines safety checks, AC leakage testing, and component warnings.

Handling and Precautions

Optical Pick-up and Laser Handling Notes

Notes on handling optical pick-up and laser diode emission.

Remote Control Operations

Remote Layout and Time Setting

Shows remote layout and provides instructions for setting the system time.

Disassembly Procedures

Unit Disassembly Steps

Details the steps for disassembling the unit, starting with the top case.

Component Disassembly

CD Door and Front Panel Removal

Explains CD door and front panel section removal processes.

Board Removal

Key Board and Rear Board Removal

Explains removal of key, sub trans, trans, sensor, and video out boards.

Core Component Removal

Main Board, Power Board, and Base Unit Removal

Details removal of main board, power board, and base unit assembly.

Test Modes

Basic Test Modes (Reset, Ship, Service)

Covers basic test modes for resetting and operational checks.

Advanced Test Modes

Advanced Test Modes (AM Tuner, GC, MC, Version)

Details advanced test modes for tuner, system checks, and version display.

Operational Modes

Aging Mode and Error Display

Explains aging mode for operational checks and its error display system.

Special Modes

Aging Mode Operation and Function Change Mode

Describes aging mode sequences and function input selection.

Electrical Adjustments

CD Section, S-Curve, RF Level Adjustments

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

Signal and Balance Checks

E-F Balance and RF PLL Frequency Checks

Details procedures for checking E-F balance and RF PLL frequency.

Block Diagrams

Tuner/CD Section Block Diagram

Illustrates the block diagram for the tuner and CD sections.

Schematic Diagrams - Main Section (1/4)

IC Pin Function Descriptions

IC401 Pin Functions (Master Control)

IC Pin Function Descriptions (Continued)

IC701 Pin Functions (Display Control)

Exploded Views

Main Section Exploded View

Electrical Parts List

Speaker System Specifications

Speaker System Details