Sony HCD-EX99 User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
HCD-EX66/EX88/EX99
9-893-153-01
2011C04-1
©
2011.03
E Model
Ver. 1.0 2011.03
• HCD-EX66 is the amplifi er, USB, CD player
and tuner section in MHC-EX66.
• HCD-EX88 is the amplifi er, USB, CD player
and tuner section in MHC-EX88.
• HCD-EX99 is the amplifi er, USB, CD player
and tuner section in MHC-EX99.
COMPACT DISC RECEIVER
CD Section
Model Name Using Similar Mechanism New
Mechanism Type CDM76B-D1BD76
Optical Pick-up Block Name DA11MMVGP
SPECIFICATIONS
Amplifi er section
The following measured at AC 127 V,
60 Hz (Mexican model)
The following measured at AC 220 V,
50/60 Hz (Argentine model)
The following measured at AC 230 V,
50/60 Hz (Other models)
HCD-EX99
Front Speaker:
Power output (rated):
80 W + 80 W (at 3 Ω, 1 kHz, 1% THD)
RMS output power (reference):
135 W + 135 W (per channel at 3 Ω,
1 kHz)
Subwoofer:
RMS output power (reference):
200 W (at 8 Ω, 100 Hz)
HCD-EX88
Power output (rated):
120 W + 120 W (at 4 Ω, 1 kHz, 1% THD)
RMS output power (reference):
200 W + 200 W (per channel at 4 Ω,
1 kHz)
HCD-EX66
Power output (rated):
50 W + 50 W (at 4 Ω, 1 kHz, 1%
THD)
RMS output power (reference):
90 W + 90 W (per channel at 4 Ω,
1 kHz)
Inputs
DVD/PC IN L/R (phono jacks):
Sensitivity 700 mV, impedance
22 kΩ
Outputs
PHONES (stereo mini jack):
accepts headphones with an
impedance of 8 Ω or more
SPEAKERS: impedance
HCD-EX99: impedance 3 Ω
HCD-EX88/EX66: impedance 4 Ω
SUBWOOFER (HCD-EX99 only):
impedance 8 Ω
USB section
Supported bit rate:
MP3 (MPEG 1 Audio Layer-3):
32 kbps – 320 kbps, VBR
WMA: 48 kbps – 192 kbps
AAC: 48 kbps – 320 kbps
Sampling frequencies:
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
(USB) port:
Maximum current:
500 mA
CD player section
System:
Compact disc and digital audio
system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6μW
* This output is the value
measurement at a distance of
200mm from the objective lens
surface on the Optical Pick-up
Block with 7mm aperture.
Frequency response: 20 Hz – 20 kHz
Signal-to-noise ratio: More than 90 dB
Dynamic range: More than 88 dB
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section:
Tuning range:
87.5 MHz ‒ 108.0 MHz (50 kHz step)
Intermediate frequency:
200/250/300/350/400 kHz
Photo: HCD-EX99
• MPEG Layer-3 audio coding technology and patents licensed from
Fraunhofer IIS and Thomson.
• Windows Media is either a registered trademark or trademark of Microsoft
Corporation in the United States and/orother countries.
• This product contains technology subject to certain intellectual property
rights of Microsoft. Use or distribution of this technology outside of this
product is prohibited without the appropriate license(s) from Microsoft.
– Continued on next page –

Sony HCD-EX99 Specifications

General

CD Player	Yes
Radio Tuner	Yes
Bluetooth	No
Tuner Bands	FM/AM
Outputs	Headphone Jack
Remote Control	Yes
Type	Mini Hi-Fi System
Power Output	100W
Functions	CD, Radio
CD Player Type	Single Disc
Speakers	2
Inputs	Audio In

Summary

HCD-EX66/EX88/EX99 Service Manual Overview

System Specifications

Technical specifications for the HCD-EX66/EX88/EX99 audio system.

General Servicing Precautions

Precautions for component replacement, circuit board repair, and safety.

AMP SMPS Capacitor Discharge Safety

Procedure to discharge capacitors on the AMP SMPS board for safety.

OP Unit Installation and Solder Bridge Safety

Precautions for installing a new OP unit and unsoldering the static electricity bridge.

Unit Disassembly Guide

Disassembly Sequence Flowchart

Flowchart illustrating the sequence for disassembling the set.

System Test Modes Guide

Electrical Adjustments

Focus Bias Check Procedure

Procedure to check focus bias on the BD76 board.

FM Auto Stop Check

Procedure to check FM auto stop functionality.

Diagrams

Block Diagram: CD Section

Block diagram illustrating the CD section of the system.

Block Diagram: Tuner/Audio Section

Block diagram of the tuner and audio sections.

Block Diagram: Display/Power Section

Block diagram of the display and power supply sections.

Printed Wiring Board: CD Section

Printed wiring board layout for the CD section.

Schematic Diagram: CD Section (1/2)

Schematic diagram for the CD section, part 1.

Schematic Diagram: CD Section (2/2)

Schematic diagram for the CD section, part 2.

Printed Wiring Board: Panel Section

Printed wiring board layout for the panel section.

Schematic Diagram: Panel Section (1/3)

Schematic diagram for the panel section, part 1.

Schematic Diagram: Panel Section (2/3)

Schematic diagram for the panel section, part 2.

Schematic Diagram: Panel Section (3/3)

Schematic diagram for the panel section, part 3.

Schematic Diagram: Tuner Section

Schematic diagram for the tuner section.

Printed Wiring Board: Tuner Section

Printed wiring board layout for the tuner section.

Printed Wiring Board: Module Section

Printed wiring board layout for the module section.

Schematic Diagram: Module Section

Schematic diagram for the module section.

Printed Wiring Board: AMP SMPS Section (EX66)

Printed wiring board for the AMP SMPS section (EX66).

Schematic Diagram: AMP SMPS Section (1/2) (EX66)

Schematic diagram for AMP SMPS (EX66), part 1.

Schematic Diagram: AMP SMPS Section (2/2) (EX66)

Schematic diagram for AMP SMPS (EX66), part 2.

Printed Wiring Board: AMP SMPS Section (EX88)

Schematic Diagram: AMP SMPS Section (1/2) (EX88)

Schematic Diagram: AMP SMPS Section (2/2) (EX88)

Printed Wiring Board: Regulator Section (EX88)

Schematic Diagram: Regulator Section (EX88)

Printed Wiring Board: AMP SMPS Section (EX99)

Schematic Diagram: AMP SMPS Section (1/2) (EX99)

Schematic Diagram: AMP SMPS Section (2/2) (EX99)

Printed Wiring Board: Regulator Section (EX99)

Schematic Diagram: Regulator Section (EX99)

IC Block Diagrams

Block diagrams for various integrated circuits.

Exploded Views

Overall Exploded View

Front Panel Exploded View

Top Panel Exploded View

Chassis Exploded View

Electrical Parts List

Parts List: AMP SMPS (EX66)

Parts List: AMP SMPS (EX66) - Continued

Parts List: AMP SMPS (EX66/EX88)

Parts List: AMP SMPS (EX88/EX99)

Parts List: AMP SMPS (EX88/EX99) - Continued

Parts List: AMP SMPS (EX99) & BD76

Parts List: AMP SMPS (EX99) & BD76 - Continued

Parts List: PANEL & Regulator (EX88)

Parts List: EFX-MODULE Panel

Parts List: PANEL Components

Parts List: PANEL Components - Continued

Parts List: PANEL & Regulator (EX88) - Continued

Parts List: Regulator (EX88/EX99)

Parts List: Regulator (EX99) & Tuner