Sony DSR-70 Car Stereo Manual

The Sony DSR-70 is an advanced car stereo system featuring AM/FM radio with 30 station presets, CD player with MP3/WMA playback, auxiliary input for external devices, USB port for media playback and charging, Bluetooth connectivity for hands-free calling and audio streaming, 4x50W MOSFET amplifier, adjustable EQ with multiple presets, detachable faceplate security, and steering wheel control compatibility. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Media 8. Bluetooth Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with detachable faceplate, Remote Control, Wiring harness, Antenna connector, USB port, AUX IN jack, Microphone input for Bluetooth.

Feature	Description
AM/FM Tuner	30 station presets (18 FM, 12 AM)
CD Player	Plays CD, CD-R, CD-RW, MP3, WMA formats
USB Port	For USB flash drives and device charging
AUX Input	3.5mm jack for external audio devices
Bluetooth	Hands-free calling and audio streaming
Power Output	4 x 50W MOSFET amplifier
EQ Presets	ROCK, POP, CLASSIC, JAZZ, FLAT
Detachable Face	Security feature to prevent theft
LCD Display	Multi-color illumination with adjustable dimmer
Steering Control	Compatible with most steering wheel remote systems

Installation

Unpack and inspect contents. Ensure vehicle battery is disconnected before installation.

Remove existing stereo: Use DIN tools to release old unit from dashboard.
Connect wiring harness: Match color-coded wires (red-ignition, yellow-battery, black-ground).
Connect antenna: Plug antenna cable into rear connector.
Mount unit: Slide DSR-70 into DIN slot until it clicks securely.
Reconnect battery and test functions.

WARNING! Disconnect vehicle battery before installation to prevent short circuits. Ensure all connections are secure and insulated.

First-Time Setup

Power on unit; follow initial configuration prompts.

Set clock: Press and hold CLOCK button, use tuning knob to set time.
Program radio stations: Tune to desired station, press and hold preset button (1-6).
Adjust display: Use DIMMER button to set illumination level.
Pair Bluetooth: Enter Bluetooth menu, search for "DSR-70" from your phone.
Set audio preferences: Adjust bass, treble, and EQ presets.

CAUTION! Do not operate while driving. Park vehicle in safe location for setup.

Specifications

Power Output: 50W x 4 channels (MOSFET)
Tuner: AM/FM with 30 presets
CD Formats: CD, CD-R, CD-RW, MP3, WMA
USB: Supports up to 32GB, 5V/1A charging
Bluetooth: Version 4.2, A2DP, HFP
Frequency Response: 20Hz-20kHz
Signal-to-Noise: >80dB
Power Supply: 12V DC, negative ground
Dimensions: DIN size (178mm x 50mm)
Operating Temp: -20°C to 60°C

Controls and Settings

Front Panel: POWER/VOLUME knob, SOURCE button, MENU, BAND, AUX, USB, PHONE, EJECT.

Remote: POWER, Numeric buttons, VOLUME UP/DOWN, MUTE, MODE, PRESET UP/DOWN, PLAY/PAUSE.

Audio Settings: BASS, TREBLE, FADER, BALANCE, LOUDNESS, EQ presets. System Settings: CLOCK, DIMMER (3 levels), BEEP ON/OFF, LANGUAGE, BLUETOOTH PAIRING. Radio: AUTO STORE, LOCAL/DX, SEEK/SCAN. Security: CODE setting (default 0000), faceplate removal.

Connecting Devices

USB: Front port for flash drives. AUX: 3.5mm jack for phones/players. Bluetooth: Wireless connection.

Turn ignition to ACC position before connecting devices.
For USB: Insert flash drive, unit will automatically detect and play.
For AUX: Connect 3.5mm cable, press AUX button to select source.
For Bluetooth: Enable pairing mode from phone, select "DSR-70".

Tip: Format USB drive as FAT32 for best compatibility. Maximum 32GB supported.

Playing Media

Supports CD, USB, AUX, Bluetooth audio sources.

Insert CD: Press EJECT, place disc label-up, press again to close.
USB playback: Insert drive, unit auto-plays or press USB button.
Navigate: Use SKIP/SEARCH buttons or tuning knob to select tracks.
Play modes: REPEAT (1/ALL), RANDOM, SCAN (10-second preview).
MP3/WMA: Supports folder navigation (up to 8 levels).
Pause: Press PLAY/PAUSE during playback.
Eject: Press EJECT button (CD will only eject when stopped).

WARNING! Do not insert damaged discs. Keep USB drives away from excessive heat.

Bluetooth Features

Hands-free calling: Answer/end calls with PHONE button. Audio streaming: Play music from Bluetooth devices. Phonebook access: Download contacts (supports up to 1000 entries). Voice dial: Compatible with phone voice command systems.

Care & Maintenance

Clean with dry, soft cloth. Remove faceplate before cleaning dashboard area. Avoid liquids and abrasive cleaners.

CAUTION! Do not use chemicals on display. Store faceplate in protective case when removed.

Regulatory Information

FCC ID: AK8DSR70 (Complies with Part 15 Class B). IC: 511B-DSR70. Bluetooth SIG listed. This device complies with Industry Canada license-exempt RSS standard(s). Copyright © Sony Corporation. For support, visit www.sony.com/audio or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Fuse/wiring	Check vehicle fuse (10A); verify wiring connections (red/yellow/black).
No sound	Mute/speakers	Check MUTE status; verify speaker connections; adjust volume.
CD won't play	Disc format/damage	Ensure disc is compatible format (CD/MP3); clean disc surface.
Bluetooth not pairing	Distance/previous pairings	Stay within 3 feet; delete old pairings from phone; reset unit.
USB not recognized	Format/capacity	Reformat as FAT32; try smaller capacity drive (≤32GB).
Radio poor reception	Antenna connection	Ensure antenna fully connected; check antenna condition.

Reset: Press and hold POWER button for 10 seconds to reset unit.

Security Code: Default 0000. If locked, enter code using preset buttons (1-4 for digits).

Service: 1-800-222-7669; www.sony.com/audio