Sony HCD-MX750Ni - User Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
HCD-MX700Ni/MX750Ni
SPECIFICATIONS
COMPACT DISC RECEIVER
9-889-945-01
2010H05-1
©
2010.08
US Model
Canadian Model
E Model
HCD-MX700Ni
AEP Model
HCD-MX700Ni/MX750Ni
UK Model
Australian Model
HCD-MX750Ni
Ver. 1.0 2010.08
• HCD-MX700Ni is the amplifi er, wireless LAN, CD player, tuner, iPod/iPhone and USB section in CMT-MX700Ni.
• HCD-MX750Ni is the amplifi er, wireless LAN, CD player, DAB/DAB+ tuner, iPod/iPhone and USB section in CMT-MX750Ni.
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM85CD-DVBU102
Optical Pick-up Block Name KHM-313CAA
Photo: HCD-MX750Ni
Main unit
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(The United States model only)
With 6 ohm loads, both channels driven, from
120 Hz – 10,000 Hz; rated 50 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
European model:
DIN power output (rated):
40 watts + 40 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
50 watts + 50 watts (6 ohms at 1 kHz, 10% THD)
Music power output (reference):
50 watts + 50 watts (6 ohms at 1 kHz, 10% THD)
Other models:
DIN power output (rated):
40 watts + 40 watts (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
50 watts + 50 watts (6 ohms at 1 kHz, 10% THD)
Wireless LAN section
Compatible standards:
IEEE 802.11 b/g (WEP 64 bit, WEP 128 bit,
WPA/WPA2-PSK (AES), WPA/WPA2-PSK
(TKIP))
Radio frequency:
2.4 GHz
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 90 dB
Tuner section
FM tuner section:
FM stereo, FM superheterodyne tuner
Tuning range:
North American model:
87.5 MHz – 108.0 MHz (100 kHz step)
Other models:
87.5 MHz – 108.0 MHz (50 kHz step)
Antenna:
FM lead antenna
Intermediate frequency:
10.7 MHz
DAB/DAB+ tuner section
(MX750Ni only):
FM stereo, DAB/FM superheterodyne tuner
Frequency range
Band-III:
174.928 (5A) MHz – 239.200 (13F) MHz
Antenna:
DAB/FM lead antenna
DAB/DAB+ frequency table (Band-III)
iPod/iPhone section
Compatible iPod/iPhone models:
Frequency Label
174.928 MHz 5A
176.640 MHz 5B
178.352 MHz 5C
180.064 MHz 5D
181.936 MHz 6A
183.648 MHz 6B
185.360 MHz 6C
187.072 MHz 6D
188.928 MHz 7A
190.640 MHz 7B
192.352 MHz 7C
194.064 MHz 7D
195.936 MHz 8A
197.648 MHz 8B
199.360 MHz 8C
201.072 MHz 8D
202.928 MHz 9A
204.640 MHz 9B
206.352 MHz 9C
208.064 MHz 9D
216.928 MHz 11A
218.640 MHz 11B
220.352 MHz 11C
222.064 MHz 11D
223.936 MHz 12A
225.648 MHz 12B
227.360 MHz 12C
229.072 MHz 12D
230.784 MHz 13A
232.496 MHz 13B
234.208 MHz 13C
235.776 MHz 13D
237.488 MHz 13E
239.200 MHz 13F
Frequency Label
iPod classic
120 GB 160 GB
(2009)
iPod nano
4th generation
(video)
iPod classic
160 GB
(2007)
iPod touch
1st generation
iPod nano
3rd generation
(video)
iPod classic
80 GB
iPod nano
2nd generation
(aluminum)
iPod
5th generation
(video)
iPod nano
1st generation
iPod
4th generation
(color display)
iPod
4th
g
eneration
iPod mini
209.936 MHz 10A
211.648 MHz 10B
213.360 MHz 10C
215.072 MHz 10D
iPhone 3GS iPhone 3G iPhone iPod nano
5th generation
(video camera)
iPod touch
2nd generation
USB section
Supported bit rate:
MP3 (MPEG 1 Audio Layer-3): 32 kbps –
320 kbps, VBR
WMA: 48 kbps – 192 kbps, VBR
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
Inputs/Outputs
FM Antenna terminals:
75 ohms unbalanced
DAB/DAB+ Antenna terminal:
75 ohms, F female
AUDIO IN (stereo mini jack):
Sensitivity 700 mV, impedance 47 kilohms
SPEAKERS:
Accepts impedance of 6 ohms
iPod/iPhone Dock:
Output voltage: DC 5.0 V
The maximum output current: 500 mA
(USB) port:
Type A, maximum current 500 mA
NETWORK port:
10BASE-T/100BASE-TX
General
Power requirements:
North American model:
AC 120V, 60Hz
Latin American models (except for Brazilian
models):
AC 110 V – 120 V or 220 V – 240 V, 50/60 Hz,
adjustable with voltage selector
Brazilian model:
AC 127 V or 220 V, 60 Hz, adjustable with voltage
selector
Taiwan model:
AC 120 V, 50/60 Hz
Other models:
AC 220 V – 240 V, 50/60 Hz
Power consumption:
43 watts
Dimensions (W/H/D) (excl. speakers):
Approx. 309 mm × 122 mm × 247 mm
(approx. 12
1
/
4
inch × 4
7
/
8
inch × 9
3
/
4
inch)
Mass (excl. speakers):
Approx. 3.0 kg
(approx. 6 lb 10 oz)
Design and specifications are subject to change
without notice.
s Standby power consumption: 0.5 W
s Halogenated flame retardants are not used in the
certain printed wiring boards.

Summary

Product Specifications

Audio and Tuner Specs

Details on audio output power, distortion, tuning range, sensitivity, and intermediate frequencies.

Connectivity and Player Specs

Specs for Wireless LAN, CD player, iPod/iPhone, and USB interface, including supported formats.

General Product Details

Information on power requirements, consumption, dimensions, mass, and design notes.

Servicing Notes and Safety

Handling and Component Precautions

Guidelines for handling optical pick-up, laser diodes, unleaded solder, and safety checks.

Network Operation and Board Replacement

Notes on replacing specific boards, wireless LAN module, and network operation verification.

Test Modes Overview

Procedures for various test modes including reset, standby, CD specific, and error diagnostics.

Electrical Checks and Diagrams

FM Tune Level Check

Procedure for checking FM tuner sensitivity and signal reception using a signal generator.

Block Diagrams

Overall system block diagrams for CD, USB, Tuner, Network, and Power sections.

Printed Wiring Boards & Schematics

Layouts and detailed circuit schematics for various internal boards like Main, BD96U, NET, and Power.

IC Block Diagrams & Pin Functions

Visual representations of IC internal functions and detailed pin descriptions for key components.

Assembly and Parts Information

Exploded Views

Visual breakdowns of the unit's assemblies and components for disassembly and repair.

Electrical Parts List

Comprehensive list of electronic components, part numbers, and specifications for the device.

Revision History

Record of changes and updates made to the service manual over different versions.

Sony HCD-MX750Ni Specifications

General

Tuner Bands	FM, AM
CD Player	Yes
USB Playback	Yes
Bluetooth	No
CD Changer	No
Power Output	100 W
Disc Compatibility	CD, CD-R, CD-RW
Output Power	100 W
Connectivity	USB
Speakers	2-Way Bass Reflex