Sony HCD-DX9 User Manual

1
HCD-BX9/DX9
SERVICE MANUAL
HCD-BX9/DX9 is the tuner, deck, CD and
amplifier section in MHC-BX9/DX9.
SPECIFICATIONS
COMPACT DISC DECK RECEIVER
— Continued on next page —
Model Name Using Similar Mechanism HCD-BX7/DX7/DX7J
CD Mechanism Type CDM58-K2BD38
Base Unit Type BU-K2BD38
Optical Pick-up Type KSM-213DAP/ZNP
Model Name Using Similar Mechanism HCD-BX7/DX7/DX7J
Tape Transport Mechanism Type TCM-230MWR11
CD
SECTION
TAPE DECK
SECTION
Photo: HCD-DX9
AEP Model
UK Model
HCD-BX9
E Model
Australian Model
HCD-DX9
Amplifier section
European model:
DIN power output (rated)
130 + 130 W
(6 Ω at 1 kHz, DIN)
Continuous RMS power output (reference)
170 + 170 W
(6 Ω at 1 kHz, 10% THD)
Other models:
The following measured at AC 120, 220, 240 V
50/60 Hz
DIN power output (rated)
220 + 220 W
(4 Ω at 1 kHz, DIN)
Continuous RMS power output (reference)
300 + 300 W
(4 Ω at 1 kHz, 10% THD)
Inputs
MD/VIDEO (AUDIO) IN:
(phone jacks)
voltage 450 mV/250 mV,
impedance 47 kΩ
MIC:
(phone jack)
sensitivity 1 mV,
impedance 10 kΩ
Outputs
PHONES:
(stereo mini jack)
accepts headphones of 8 Ω or more
FRONT SPEAKER:
HCD-BX9:
accepts impedance of 6 to 16 Ω
HCD-DX9:
accepts impedance of 4 to 16 Ω
CD player section
System
Compact disc and digital audio system
Laser
Semiconductor laser (λ=780 nm)
Emission duration: continuous
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)
Wavelength
780 – 790 nm
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 660 nm
Output Level –18 dBm
Tape player section
Recording system
4-track 2-channel stereo
Frequency response (DOLBY NR OFF)
40 – 13,000 Hz (±3 dB),
using Sony TYPE I cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75 Ω, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
BX9, Saudi Arabia models:
531 – 1,602 kHz
(with the interval set at 9 kHz)
Other models:
531 – 1,602 kHz
(with the interval set at 9 kHz)
530 – 1,710 kHz
(with the interval set at 10 kHz)
Antenna
AM Loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
9-929-239-14
2002H0200-1
© 2002.08
Ver 1.3 2002.08
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporaton

Sony HCD-DX9 Specifications

General

Number of Discs	3
Frequency Response	20Hz - 20kHz
Disc Compatibility	CD, CD-R, CD-RW
Tuner	AM/FM
Audio Formats Supported	MP3
Type	Mini Hi-Fi System

Summary

Disassembly Procedures

Mechanical Adjustments

Electrical Adjustments

Tape Speed Adjustment DECK B

Adjusts tape speed for Deck B.

Playback Level Adjustment

Adjusts playback signal level for both decks.

REC Bias Adjustment DECK B

Adjusts recording bias for Deck B.

REC Level Adjustment DECK B

Adjusts recording signal level for Deck B.

FM Tuned Level Adjustment

CD Section Adjustments

S-Curve Check

RF Level Check

Diagrams and Schematics

Circuit Board Location Diagram

Block Diagrams - Tuner/CD Section

Block diagram of the tuner and CD sections.

Main Section Block Diagram

Block diagram of the main section.

Printed Wiring Board - BD Section

Printed wiring board layout for BD section.

Schematic Diagram - BD Section

Schematic diagram for BD section.

Printed Wiring Board - Main Section

Printed wiring board layout for the main section.

Schematic Diagram - Main (1/3) Section

Schematic diagram for main section (part 1).

Schematic Diagram - Main (2/3) Section

Schematic diagram for main section (part 2).

Schematic Diagram - Main (3/3) Section

Schematic diagram for main section (part 3).

Printed Wiring Board - Power Amp Section (BX9 Model)

PWB layout for BX9 power amp section.

Schematic Diagram - Power Amp Section (BX9 Model)

Schematic for BX9 power amp section.

Printed Wiring Board - Power Amp Section (DX9 Model)

Schematic Diagram - Power Amp Section (DX9 Model)

Schematic for DX9 power amp section.

Printed Wiring Board - Panel Section

Schematic Diagram - Panel Section

Schematic diagram for panel section.

Printed Wiring Board - Leaf SW Section

Schematic Diagram - Leaf SW Section

Schematic diagram for leaf SW section.

Printed Wiring Board - Driver Section

Schematic Diagram - Driver Section

Schematic diagram for driver section.

Printed Wiring Board - Trans Section (BX9 Model)

Schematic Diagram - Trans Section (BX9 Model)

Schematic for BX9 trans section.

Printed Wiring Board - Trans Section (DX9 Model)

Schematic Diagram - Trans Section (DX9 Model)

Schematic for DX9 trans section.

IC Pin Function Description

IC Block Diagrams

IC103 CXA2568M BD Board Diagram

IC602 BA3830F Panel Board Diagram

IC682 BU1924 Main Board Diagram

IC701 BA6956AN Driver Board Diagram

Exploded Views

Main Section Exploded View

Panel Section Exploded View

Main Board Section Exploded View

Tape Mechanism Deck Section-1 Exploded View

Tape Mechanism Deck Section-2 Exploded View

CD Mechanism Deck Section Exploded View

Base Unit Section Exploded View

Electrical Parts List

Capacitors

List of all capacitors with part numbers.

Integrated Circuits (ICs)

List of integrated circuits with part numbers.

Transistors

List of transistors with part numbers.

Resistors

List of resistors with part numbers.

Diodes

List of diodes with part numbers.