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SERVICE MANUAL
Ver. 1.0 2009.11
AUDIO POWER SPECIFICATIONS
CEA2006 Standard
Power Output: 17 Watts RMS
4 at
4 Ohms < 1% THD+N
SN Ratio: 82 dBA
(reference: 1 Watt into 4 Ohms)
Tuner section
FM
Tuning range: 87.5 – 107.9 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
Tuner section
FM
Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW/LW
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Sony Corporation
9-889-696-01
2009K0500-1
Audio&Video Business Group
©
2009.11
Published by Sony Techno Create Corporation
Photo: MEX-BT3800U
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Tuner section
FM
Tuning range:
87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW/LW
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Tuner section
FM
Tuning range:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
FM tuning interval: 50 kHz/200 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning interval: 9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
MEX-BT38UW/BT3800U/
BT3807U/BT3850U
Tuner section
FM
Tuning range:
87.5 – 108.0 MHz (at 50 kHz step)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range:
531 – 1,602 kHz (at 9 kHz step)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and flutter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 500 mA
Wireless Communication
Communication System:
Bluetooth Standard version 2.0
Output:
Bluetooth Standard Power Class 2 (Max. +4 dBm)
Maximum communication range:
1
Line of sight approx. 10 m (33 ft)*
Frequency band:
2.4 GHz band (2.4000 – 2.4835 GHz)
Modulation method: FHSS
2
Compatible Bluetooth Profiles*
:
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio Video Remote Control Profile)
HFP (Handsfree Profile) 1.5
HSP (Headset Profile)
US Model
MEX-BT38UW/BT3800U
Canadian Model
AEP Model
UK Model
MEX-BT3800U
Russian Model
MEX-BT3807U
E Model
MEX-BT3850U
MEX-BT3700U/BT3750U/BT4700U
MG-101Z-188//Q
DAX-25A
*1 The actual range will vary depending on factors
such as obstacles between devices, magnetic
fields around a microwave oven, static electricity,
reception sensitivity, antenna's performance,
operating system, software application, etc.
*2 Bluetooth standard profiles indicate the purpose of
Bluetooth communication between devices.
Power amplifier section
Output: Speaker outputs (sure seal connectors)
Speaker impedance: 4 – 8 ohms
Maximum power output: 52 W
4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (front/rear)
Subwoofer output terminal (mono)
Power antenna (aerial) relay control terminal
Power amplifier control terminal
Inputs:
BUS control input terminal
BUS audio input terminal
Telephone ATT control terminal
Remote controller input terminal
Antenna (aerial) input terminal
MIC input terminal
AUX input jack (stereo mini jack)
USB signal input connector
Tone controls:
Low: ±10 dB at 60 Hz (XPLOD)
Mid: ±10 dB at 1 kHz (XPLOD)
High: ±10 dB at 10 kHz (XPLOD)
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178
50
179 mm
1
1
(7
/
2
7
/
in) (w/h/d)
8
8
Mounting dimensions: Approx. 182
53
162 mm
1
1
1
(7
/
2
/
6
/
in) (w/h/d)
4
8
2
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Card remote commander: RM-X304
Parts for installation and connections (1 set)
Design and specifications are subject to change
without notice.
AUDIO SYSTEM
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Related Manuals for Sony MEX-BT3807U
Summarization of Contents
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
Details power output and SN ratio per CEA2006 standard.
Tuner Section Specifications
Specifies tuning ranges, sensitivity, selectivity, S/N ratio, and frequency response.
CD, USB, and Wireless Communication Specs
Covers CD, USB player, and Bluetooth communication system details.
Power Amplifier and General Specifications
Lists amplifier outputs, inputs, tone controls, requirements, and dimensions.
SAFETY PRECAUTIONS
General Handling and Repair Cautions
Advises against unspecified adjustments and notes on chip components and flexible boards.
Safety-Related Component Warning
Highlights critical components identified by a mark for safe operation and replacement.
SERVICING NOTES
Optical Pick-up and Laser Diode Handling
Warns about electrostatic breakdown, laser emission safety, and handling care.
Soldering and Test Disc Information
Details unleaded solder characteristics and required test discs for diagnostics.
Connector and Cable Service Notes
Notes on handling the 20-pin connector and using extension cables for service.
Component Replacement Guidance
Notes on replacing BT board, servo board, USB connector, and lithium battery.
Bluetooth Function Check Procedure
Step-by-step guide to check Bluetooth phone and audio functions, including preparation and environment.
GENERAL INFORMATION
Connection Diagrams Overview
Visual representations of various unit connection options.
Installation Precautions and Examples
Guidance on installation location, angle, panel handling, and ignition considerations.
DISASSEMBLY PROCEDURES
Disassembly Flow Overview
Outlines the sequence for disassembling the unit into major sections.
Cover, CD Mechanism, and Antenna Board Removal
Details on removing the unit's cover, CD deck, and antenna board.
Main Board and Servo Board Removal
Steps for removing the main and servo boards.
Chassis and Mechanical Sub-Assembly Removal
Procedures for removing chassis (T), roller arm, chassis (OP), and chucking arm sub-assemblies.
Sled Motor and Optical Pick-up Removal
Steps for removing the sled motor assembly and optical pick-up section.
DIAGRAMS AND SCHEMATICS
Block Diagrams (Audio, Panel, Power Supply)
Illustrates signal paths, power supply, and controller interconnections.
Diagram Notes and Waveforms
Explains notations for diagrams and presents key signal waveforms.
Printed Wiring Boards (Main Sections)
Component layout diagrams for the main board (Parts 1 and 2).
Printed Wiring Boards (Key and Jack Sections)
Component layout diagrams for the key and jack boards.
Schematic Diagrams (Main Sections 1-4)
Detailed circuit schematics for the main board.
Schematic Diagram (Key Section)
Circuit schematic for the key board, including display and buttons.
IC BLOCK DIAGRAMS
Tuner, Audio Amp, and Power IC Block Diagrams
Block diagrams for key ICs like tuner, audio amp, and power ICs.
Regulator and Power Distribution IC Block Diagrams
Block diagrams for voltage regulator and power distribution ICs.
Audio Processor IC Block Diagram
Block diagram for the BD3447AFV-E2 audio processor IC.
Display Driver and Converter IC Block Diagrams
Block diagrams for display driver and DC/DC converter ICs.
IC PIN FUNCTION DESCRIPTIONS
System Controller IC501 Pin Functions
Details pin functions for the MB90F058PF-G-111-JNE1 system controller IC.
EXPLODED VIEWS
Main Section Exploded View and Parts List
Visual breakdown of main unit components with a parts list.
Front Panel Section Exploded View
Visual breakdown of front panel components with a parts list.
CD Mechanism Deck Section Exploded View
Visual breakdown of CD mechanism deck components with a parts list.
ELECTRICAL PARTS LIST
Antenna, Connector, Jack, and Key Board Parts
Lists parts for antenna, connector, jack, and key boards, including LEDs and switches.
Main Board Component Lists
Comprehensive list of main board components including capacitors, diodes, ICs, and connectors.
Miscellaneous and Accessory Parts List
Lists resistors, transistors, thermistors, varistors, and miscellaneous installation parts.
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