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Sony MHC-DX90 User Manual

Sony MHC-DX90
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SERVICE MANUAL
9-873-883-11 Sony Corporation
2001D0500-1 Home Audio Company
C 2001.4 Shinagawa Tec Service Manual Production Group
Ver 1.0 2001.04
MINI Hi-Fi COMPONENT SYSTEM
E Model
ACCESSORIES & PACKING MATERIALS
********************************
1-418-761-21 COMMANDER, STANDARD (RM-SR100B)
1-501-374-11 ANTENNA, LOOP (AM)
1-501-659-71 ANTENNA (FM)
1-769-317-11 CORD, SPEAKER (2.5m) (for SS-DX90)
4-210-254-01 CUSHION (FOOT) (for SS-DX90)
4-226-483-14 MANUAL, INSTRUCTION (ENGLISH)
4-226-483-24 MANUAL, INSTRUCTION (FRENCH) (E2)
4-226-483-34 MANUAL, INSTRUCTION (SPANISH)
4-228-952-01 COVER, BATTERY (for RM-SR100B)
Abbreviation
E2 : 120 V AC Area in E model
PARTS LIST
Part No. Description Remark
MHC-DX90
SPECIFICATIONS
Power requirements 120 V, 220 V or 230 - 240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption 300 watts
Dimensions (w/h/d) Approx. 280 × 360 × 425 mm
(11 × 14
3
/
16
× 16
11
/
16
in.)
Mass : Approx. 11 kg (24 lb. 5 oz)
Supplied accessories: AM loop antenna (1)
Remote commander (1)
Batteries (2)
FM lead antenna (1)
Front speaker pads (8)
Design and specifications are subject to change without notice.
MHC-DX90 is composed of following models.
As for the service manual, it is issued for each component model, then, please refer to it.
COMPONENT MODEL NAME FOR MHC-DX90
MHC-DX90
COMPACT DISK DECK RECEIVER SYSTEM HCD-DX90
FRONT SPEAKER SS-DX90
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Sony MHC-DX90 Specifications

General IconGeneral
BluetoothYes
CD PlayerYes
USB PlaybackYes
FM RadioYes
Tuner BandsFM
Cassette DeckNo
Remote ControlYes
Weight5.5 kg
Speaker Type2-Way Speakers
FunctionsCD, Bluetooth
TypeMini Hi-Fi System

Summary

MHC-DX90 Service Manual

Parts List - MHC-DX90

Lists all available parts and accessories for the MHC-DX90 system.

SS-DX90 Service Manual

SS-DX90 Exploded Views and Parts List

Exploded View Diagram

Illustrates the assembly of the SS-DX90 speaker.

Parts List - SS-DX90

Lists all parts for the SS-DX90 speaker system.

HCD-DX90 Service Manual

System Specifications

Details the technical specifications of the HCD-DX90 unit.

Service Notes & Precautions

Handling Optical Pick-up and Base Unit

Provides precautions for handling the optical pick-up block and base unit.

Laser Diode Emission Check Safety

Details safety precautions for checking the laser diode emission.

Disassembly Procedure

Disassembly Flow Chart

Outlines the sequential steps for disassembling the HCD-DX90 unit.

Test Mode Operations

MC Cold Reset

Clears all data and returns the set to initial conditions.

CD Ship Mode

Moves the pickup to a vibration-durable position for shipping.

MC Hot Reset

Resets the set while keeping preset data stored in memory.

CD Service Mode

Allows free movement of the CD sled motor for cleaning the pickup.

GC Test Mode

Checks software version, FL tube, LED, keyboard, and VACS.

Mechanical Adjustments

Precautionary Steps

Lists precautions to be taken before performing mechanical adjustments.

Tape Speed and Playback Level Adjustments

Playback Level Adjustment Procedure

Details the procedure for adjusting playback levels for Deck A and B.

Record Bias and Level Adjustments

Record Level Adjustment Procedure

Details the procedure for adjusting record level for Deck B.

CD Section Adjustments

IC Pin Function Descriptions

Exploded Views - Main Section

Main Section Parts List

Lists parts for the main section assembly.

Exploded Views - Panel Section

Panel Section Parts List

Lists parts for the panel section assembly.

Exploded Views - Main Board Section

Main Board Section Parts List

Lists parts for the main board section assembly.

Exploded Views - CD Mechanism Deck Section

CD Mechanism Deck Parts List

Lists parts for the CD mechanism deck assembly.

Exploded Views - Base Unit Section

Base Unit Section Parts List

Lists parts for the base unit section assembly.

Exploded Views - Tape Mechanism Deck Section-1

Tape Mechanism Deck-1 Parts List

Lists parts for the tape mechanism deck section-1.

Exploded Views - Tape Mechanism Deck Section-2

Tape Mechanism Deck-2 Parts List

Lists parts for the tape mechanism deck section-2.

Electrical Parts List - Components Overview

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