DSX-A112U - Car radio SONY - Free user manual and instructions

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SONY DSX-A112U - Car radio
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Product Type Car Stereo
Brand Sony
Model DSX-A112U
DIN Size Single-DIN
Display Type LCD
Audio Power Output 4 x 45 Watts (Max)
Supported Media CD, CD-R, CD-RW, USB, AUX
Radio Bands FM, AM
Preset Stations 30 (FM18/AM12)
Bluetooth No
USB Port Front USB (1.5A charge)
AUX Input Front 3.5mm
Dimensions (WxHxD) 178 x 50 x 100 mm
Weight 1.0 kg
Power Supply 12V DC (negative ground)
Fuse Rating 10A
Clock Yes
Equalizer 5-band EQ
Speaker Impedance 4-8 ohms
Preamp Outputs 1 pair (RCA)
Subwoofer Control Yes
Detachable Face Yes
Maintenance Clean with soft dry cloth
Accessories Mounting sleeve, trim ring, wiring harness

Frequently Asked Questions - DSX-A112U SONY

How do I set the clock on my Sony DSX-A112U?
Press and hold the MENU button until the clock display flashes. Use the SEEK buttons to adjust hour and minute, then press ENTER to confirm.
Can I connect my phone via Bluetooth?
No, the DSX-A112U does not support Bluetooth. Use the front AUX input or USB port for audio playback.
Why is there no sound from my speakers?
Check that the speaker wires are properly connected and not shorted. Ensure the fuse is intact and the unit is receiving power. Also verify the volume is not muted.
How do I reset the unit?
Press the RESET button located on the front panel with a pointed object (e.g., a pen). This clears all settings and returns the unit to factory defaults.
How do I remove the detachable faceplate?
Press the RELEASE button on the front panel to unlock the faceplate. Gently pull it off. For security, always detach it when leaving your vehicle.
Can I play music from a USB flash drive?
Yes, insert a USB drive into the front USB port. The unit supports MP3, WMA, and WAV files. Use the SOURCE button to select USB mode.
How do I adjust the sound settings?
Press the SOUND button to cycle through options like Bass, Treble, Balance, Fader, and EQ. Use the volume dial to adjust each setting.
How do I store radio stations?
Tune to the desired station, then press and hold one of the preset buttons (1-6) until the display shows 'MEM'. Repeat for other stations.
How do I change the display language?
The DSX-A112U does not support multiple languages. The display is fixed to English.
What are the installation requirements?
The unit requires a Single-DIN dashboard opening (178x50mm). Connect the wiring harness to your vehicle's 12V DC system, ground, and speakers. Use the included mounting sleeve and trim ring.

User questions about DSX-A112U SONY

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Download the instructions for your Car radio in PDF format for free! Find your manual DSX-A112U - SONY and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. DSX-A112U by SONY.

USER MANUAL DSX-A112U SONY

FM/MW/LW Digital Media Player

Digital Receiver

Operating Instructions

GB

To cancel the demonstration (DEMO) display, see page 11.

For the connection/installation, see page 19.

For safety, be sure to install this unit in the dashboard of the car as the rear side of the unit becomes hot during use.

For details, see "Connection/Installation" (page 19).

Made in Thailand

The nameplate indicating operating voltage, etc., is located on the bottom of the chassis.

Warning if your car's ignition has no ACC position

Be sure to set the AUTO OFF function (page 11). The unit will shut off completely and automatically in the set time after the unit is turned off, which prevents battery drain. If you do not set the AUTO OFF function, press and hold OFF until the display disappears each time you turn the ignition off.

Disclaimer regarding services offered by third parties

Services offered by third parties may be changed, suspended, or terminated without prior notice. Sony does not bear any responsibility in these sorts of situations.

Table of Contents

Guide to Parts and Controls 4

Getting Started

Detaching the Front Panel.... 5

Resetting the Unit 6

Setting the Clock 6

Checking the Battery Voltage 6

Connecting a USB Device 6

Connecting Other Portable Audio Device ..... 7

Listening to the Radio

Listening to the Radio 7

Using Radio Data System (RDS) 8

Playback

Playing a USB Device 9

Searching and Playing Tracks 10

Settings

Canceling the DEMO Mode 11

Basic Setting Operation.... 11

General Setup (GENERAL) 11

Sound Setup (SOUND) 12

Display Setup (DISPLAY) 13

Additional Information

Updating the Firmware 13

Precautions....13

Maintenance.... 14

Specifications 14

Troubleshooting 16

Messages 18

Connection/Installation

Cautions 19

Parts List for Installation 19

Connection 20

Installation 22

Guide to Parts and Controls

Main unit1 2 3 OFF SNC PTY Q EQ MODE 5 SCRL DSPL 10 11 12 13 14

1 Front panel release button 2 SRC (source)

Turn on the power.

Change the source.

OFF

Press and hold for 1 second to turn the source off and display the clock.

Press and hold for more than 2 seconds to turn off the power and the display.

3 Control dial

Rotate to adjust the volume.

PUSH ENTER

Enter the selected item.

Press SRC, rotate then press to change the source (timeout in 2 seconds).

Open the setup menu.

4 Display window 5 / ( S E E K - / + )

Tune in radio stations automatically. Press and hold to tune manually.

◀◀/▶◀ (prev/next)

◀◀/▶▶ (fast-reverse/fast-forward)

6 PTY (program type)

Select PTY in RDS.

Q (browse) (page 10)

Enter the browse mode during playback.

(Not available when a USB device in Android™ mode is connected.)

7 EQ (equalizer)

Select an equalizer curve.

8 (back)

Return to the previous display.

MODE (page 7)

9 Receptor for the remote commander 10 Number buttons (1 to 6)

Receive stored radio stations. Press and hold to store stations.

ALBUM ▼/▲

Skip an album for audio device. Press and hold to skip albums continuously.

(Not available when a USB device in Android mode is connected.)

⊂ (repeat)

(Not available when a USB device in Android mode is connected.)

(shuffle)

(Not available when a USB device in Android mode is connected.)

▶II (play/pause)

11 EXTRA BASS

Reinforces bass sound in synchronization with the volume level. Press to change the EXTRA BASS setting: [1], [2], [OFF].

12 AUX input jack

13 DSPL (display)

Press to change display items.

- SCRL (scroll)

Press and hold to scroll a display item.

14 USB port

Getting Started

Detaching the Front Panel

You can detach the front panel of this unit to prevent theft.

1 Press and hold OFF ① until the unit turns off, press the front panel release button ②, then pull the panel towards you to remove.

Diagram showing a hand holding a device with labeled parts ① and ②, likely illustrating a mechanical or electrical component.

Caution alarm

If you turn the ignition switch to the OFF position without detaching the front panel, the caution alarm will sound for a few seconds. The alarm will only sound if the built-in amplifier is used.

Attaching the front panelDiagram showing a device being processed into a plastic component, with no visible text or symbols.

Resetting the Unit

Before operating the unit for the first time, or after replacing the car battery or changing connections, you must reset the unit.

1 Press DSPL and (back)/MODE for more than 2 seconds.

Note

Resetting the unit will erase the clock setting and some stored contents.

Setting the area/region

After resetting the unit, the area/region setting display appears.

1 Press ENTER while [SET AREA] is displayed.

The area/region currently set appears.

2 Rotate the control dial to select [EUROPE] or [RUSSIA], then press it.

3 Rotate the control dial to select [YES] or [NO], then press it.

If the setting area/region is changed, the unit is reset, then the clock is displayed.

This setting can be configured in the general setup menu (page 11).

Setting the Clock

1 Press MENU, rotate the control dial to select [GENERAL], then press it.

2 Rotate the control dial to select [SET CLOCK-ADJ], then press it.

The hour indication flashes.

3 Rotate the control dial to set the hour and minute.

To move the digital indication, press ◀◀◀/▶▶▶ (SEEK −/+).

4 After setting the minute, press MENU. The setup is complete and the clock starts.

To display the clock

Press DSPL.

Checking the Battery Voltage

You can check the current battery voltage. (Not available while the source is off and the clock is displayed.)

1 Press DSPL repeatedly until the battery voltage display appears.

Connecting a USB Device

1 Turn down the volume on the unit.

2 Connect the USB device to the unit.

Diagram showing a mechanical component with labeled parts and directional arrows indicating movement or force.

Connecting Other Portable Audio Device

1 Turn off the portable audio device. 2 Turn down the volume on the unit. 3 Connect the portable audio device to the AUX input jack (stereo mini jack) on the unit with a connecting cord (not supplied)*.

* Be sure to use a straight type plug.

Line drawing of a car interior with a plug inserted into the window (no text or symbols).

4 Press SRC to select [AUX].

To match the volume level of the connected device to other sources

Start playback of the portable audio device at a moderate volume, and set your usual listening volume on the unit.

Press MENU, then select [SOUND] → [SET AUX VOL] (page 13).

Listening to the Radio

Listening to the Radio

To listen to the radio, press SRC to select [TUNER].

Storing automatically (BTM)

1 Press MODE to change the band (FM1, FM2, FM3, MW or LW). 2 Press MENU, rotate the control dial to select [GENERAL], then press it. 3 Rotate the control dial to select [SET BTM], then press it. The unit stores stations in order of frequency on the number buttons.

Tuning

1 Press MODE to change the band (FM1, FM2, FM3, MW or LW). 2 Perform tuning.

To tune manually

Press and hold ◀◀◀/▶▶▶ (SEEK -/+ ) to locate

the approximate frequency, then press ◀◀/

▶▶▶ (SEEK -/+ ) repeatedly to fine adjust to the desired frequency.

To tune automatically

Press ◀◀◀ /▶▶▶ (SEEK -/+).

Scanning stops when the unit receives a station.

Storing manually

1 While receiving the station that you want to store, press and hold a number button (1 to 6) until [MEM] appears.

Receiving the stored stations

1 Select the band, then press a number button (1 to 6).

Using Radio Data System (RDS)

Setting alternative frequencies (AF) and traffic announcement (TA)

AF continuously retunes the station to the strongest signal in a network, and TA provides current traffic information or traffic programs (TP) if received.

1 Press MENU, rotate the control dial to select [GENERAL], then press it. 2 Rotate the control dial to select [SET AF/TA], then press it. 3 Rotate the control dial to select [SET AF-ON], [SET TA-ON], [SET AF/TA-ON] or [SET AF/TA-OFF], then press it.

To store RDS stations with the AF and TA setting

You can preset RDS stations along with an AF/TA setting. Set AF/TA, then store the station with BTM or manually. If you preset manually, you can also preset non-RDS stations.

To receive emergency announcements

With AF or TA on, emergency announcements will automatically interrupt the currently selected source.

To adjust the volume level during a traffic announcement

Level will be stored into memory for subsequent traffic announcements, independently from the regular volume level.

To stay with one regional program (REGIONAL)

When the AF and REGIONAL functions are on, you will not be switched to another regional station with a stronger frequency. If you leave this regional program's reception area, set [SET REG-OFF] in [GENERAL] during FM reception (page 12). This function does not work in the UK and some other areas.

This function enables you to select other local stations in the area, even if they are not stored on your number buttons.

During FM reception, press a number button (1 to 6) on which a local station is stored. Within 5 seconds, press again a number button of the local station. Repeat this procedure until the local station is received.

Selecting program types (PTY)

1 Press PTY during FM reception. 2 Rotate the control dial until the desired program type appears, then press it.

The unit starts to search for a station broadcasting the selected program type.

Type of programs

NEWS (News), AFFAIRS (Current Affairs), INFO (Information), SPORT (Sports), EDUCATE (Education), DRAMA (Drama), CULTURE (Culture), SCIENCE (Science), VARIED (Varied), POP M (Pop Music), ROCK M (Rock Music), EASY M (M.O.R. Music), LIGHT M (Light classical), CLASSICS (Serious classical), OTHER M (Other Music), WEATHER (Weather), FINANCE (Finance), CHILDREN (Children's program), SOCIAL A (Social Affairs), RELIGION (Religion), PHONE IN (Phone In), TRAVEL (Travel), LEISURE (Leisure), JAZZ (Jazz Music), COUNTRY (Country Music), NATION M (National Music), OLDIES (Oldies Music), FOLK M (Folk Music), DOCUMENT (Documentary)

Setting clock time (CT)

The CT data from the RDS transmission sets the clock.

1 Set [SET CT] in [GENERAL] to [SET CT-ON] (page 12).

Playback

Playing a USB Device

AOA (Android Open Accessory) 2.0, MSC (Mass Storage Class) and MTP (Media Transfer Protocol) type USB devices* compliant with the USB standard can be used. Depending on the USB device, the Android mode or MSC/MTP mode can be selected on the unit.

Some digital media players or Android smartphones may require setting to MTP mode.

* e.g., a USB flash drive, digital media player, Android smartphone

Notes

  • For details on the compatibility of your USB device, visit the support site on the back cover.
  • Smartphones with Android OS 4.1 or higher installed support Android Open Accessory 2.0 (AOA 2.0). However, some smartphones may not fully support AOA 2.0 even if Android OS 4.1 or higher is installed. For details on the compatibility of your Android smartphone, visit the support site on the back cover.
  • Playback of the following files is not supported. MP3/WMA/FLAC:

– copyright-protected files — DRM (Digital Rights Management) files - Multi-channel audio files

MP3/WMA:

— lossless compression files

Before making a connection, select the USB mode (Android mode or MSC/MTP mode) depending on the USB device (page 12).

1 Connect a USB device to the USB port (page 6).

Playback starts. If a device is already connected, to start playback, press SRC to select [USB].

2 Adjust the volume on this unit.

To stop playback

Press and hold OFF for 1 second.

To remove the device

Stop playback, then remove the device.

Searching and Playing Tracks

Repeat play and shuffle play

Not available when a USB device in Android mode is connected.

1 During playback, press (repeat) or (shuffle) repeatedly to select the desired play mode. Playback in the selected play mode may take time to start.

Available play modes differ depending on the selected sound source.

Searching a track by name (Quick-BrowZer™)

Not available when a USB device in Android mode is connected.

1 During USB playback, press (browse)* to display the list of search categories. When the track list appears, press (back) repeatedly to display the desired search category. * During USB playback, press (browse) for more than 2 seconds to directly return to the beginning of the category list. 2 Rotate the control dial to select the desired search category, then press it to confirm. 3 Repeat step 2 to search the desired track. Playback starts.

To exit the Quick-BrowZer mode

Press Q (browse).

Searching by skipping items (Jump mode)

Not available when a USB device in Android mode is connected.

1 Press Q (browse). 2 Press ▶▶▶I (SEEK +). 3 Rotate the control dial to select the item.

The list is jumped in steps of 10% of the total number of items.

4 Press ENTER to return to the Quick-BrowZer mode.

The selected item appears.

5 Rotate the control dial to select the desired item, then press it.

Playback starts.

Settings

Canceling the DEMO Mode

You can cancel the demonstration display which appears when the source is off and the clock is displayed.

1 Press MENU, rotate the control dial to select [GENERAL], then press it. 2 Rotate the control dial to select [SET DEMO], then press it. 3 Rotate the control dial to select [SET DEMO-OFF], then press it. The setting is complete. 4 Press (back) twice. The display returns to normal reception/play mode.

Basic Setting Operation

You can set items in the following setup categories: General setup (GENERAL), Sound setup (SOUND), Display setup (DISPLAY)

1 Press MENU. 2 Rotate the control dial to select the setup category, then press it.

The items that can be set differ depending on the source and settings.

3 Rotate the control dial to select the options, then press it.

To return to the previous display

Press ↩ (back).

General Setup (GENERAL)

AREA

Specifies the area/region to use this unit: [EUROPE], [RUSSIA]. If the area/region currently set is changed, this unit is reset, then the clock is displayed. (Available only while the source is off and the clock is displayed.)

DEMO (demonstration)

Activates the demonstration: [ON], [OFF].

CLOCK-ADJ (clock adjust) (page 6)

CAUT ALM (caution alarm)

Activates the caution alarm: [ON], [OFF] (page 5). (Available only while the source is off and the clock is displayed.)

BEEP

Activates the beep sound: [ON], [OFF].

AUTO OFF

Shuts off automatically after a certain time when the unit is turned off: [ON] (30 minutes), [OFF].

STEERING

Registers/resets the setting of the steering wheel remote control. (Available when connected with the connection cable (not supplied).) (Available only while the source is off and the clock is displayed.) STR CONTROL (steering control) Selects the input mode of the connected remote control. To prevent a malfunction, be sure to match the input mode with the connected remote control before use.

CUSTOM

Input mode for the steering wheel remote control.

PRESET

Input mode for the wired remote control excluding the steering wheel remote control (automatically selected when [RESET CUSTOM] is performed).

EDIT CUSTOM

Registers the functions (SOURCE, ATT, VOL +/-, SEEK +/-) to the steering wheel remote control:

1 Rotate the control dial to select the function you want to assign to the steering wheel remote control, then press it. 2 While [REGISTER] is blinking, press and hold the button on the steering wheel remote control you want to assign the function to. When registration is complete, [REGISTERED] is displayed. 3 To register other functions, repeat steps 1 and 2.

(Available only when [STR CONTROL] is set to [CUSTOM].)

RESET CUSTOM

Resets the setting of the steering wheel remote control: [YES], [NO].

(Available only when [STR CONTROL] is set to [CUSTOM].)

Notes

  • While making settings, only button operation on the unit is available. For safety, park your car before making this setting.
  • If an error occurs while registering, all the previously-registered information remains. Restart registration from the function where the error occurred.
  • This function may not be available on some vehicles. For details on the compatibility of your vehicle, visit the support site on the back cover.

USB MODE

Changes the USB mode: [ANDROID], [MSC/MTP]. (Available only when the USB source is selected.)

CT (clock time)

Activates the CT function: [ON], [OFF].

AF/TA (alternative frequencies/traffic announcement)

Selects the alternative frequencies (AF) and traffic announcement (TA) setting: [AF-ON], [TA-ON], [AF/TA-ON], [AF/TA-OFF].

(Available when any source is selected.)

REGIONAL

Restricts reception to a specific region: [ON], [OFF]. (Available only when FM is received.)

BTM (best tuning memory) (page 7)

(Available only when the tuner is selected.)

FIRMWARE

(Available only while the source is off and the clock is displayed.)

Checks/updates the firmware version. For details, visit the support site on the back cover. FW VERSION (firmware version)

Displays current firmware version.

FW UPDATE (firmware update)

Enters firmware update process: [YES], [NO]. Updating the firmware takes a few minutes to complete. During the update, do not turn the ignition to the OFF position, nor remove the USB device.

Sound Setup (SOUND)

This setup menu is available when any source is selected.

EQ10 PRESET

Selects an equalizer curve from 10 equalizer curves or off:

[OFF], [R&B], [ROCK], [POP], [HIP-HOP], [EDM], [JAZZ], [SOUL], [COUNTRY], [KARAOKE]*, [CUSTOM].

The equalizer curve setting can be memorized for each source.

* [KARAOKE] reduces the vocal sound but cannot be fully removed during playback. Also, using a microphone is not supported.

EQ10 CUSTOM

Sets [CUSTOM] of EQ10.

Setting the equalizer curve:

[BAND1] 32 Hz, [BAND2] 63 Hz, [BAND3] 125 Hz, [BAND4] 250 Hz, [BAND5] 500 Hz, [BAND6] 1 kHz, [BAND7] 2 kHz, [BAND8] 4 kHz, [BAND9] 8 kHz, [BAND10] 16 kHz.

The volume level is adjustable in 1 dB steps, from -6 dB to +6 dB.

BALANCE

Adjusts the sound balance: [RIGHT-15] - [CENTER] - [LEFT-15].

FADER

Adjusts the relative level: [FRONT-15] - [CENTER] - [REAR-15].

AUX VOL (AUX volume)

Adjusts the volume level for each connected auxiliary device: [+18 dB] - [0 dB] - [-8 dB]. This setting negates the need to adjust the volume level between sources. (Available only when the AUX is selected.)

Display Setup (DISPLAY)

DIMMER

Changes the display brightness: [ON], [OFF], [CLK] (clock).

To set this function to be active only during a fixed period, select [CLK], then set the start and end times.

  • To set the brightness when the dimmer function is activated: Set [DIMMER] to [ON], then adjust [BRIGHTNESS].
  • To set the brightness when the dimmer function is deactivated: Set [DIMMER] to [OFF], then adjust [BRIGHTNESS]. The brightness setting is stored and applied when the dimmer function is activated or deactivated.

BRIGHTNESS

Adjusts the display brightness. The brightness level is adjustable: [1] - [10].

SND SYNC (sound synchronization)

Activates the synchronization of the illumination with the sound: [ON], [OFF].

AUTO SCR (auto scroll)

Scrolls long items automatically: [ON], [OFF]. (Not available when the AUX or tuner is selected.)

Additional Information

Updating the Firmware

To update the firmware, visit the support site on the back cover, then follow the online instructions.

Notes

  • Using a USB device (not supplied) is required for updating the firmware. Store the updater in the USB device, and connect the device to the USB port, then perform the update operation.
  • Updating the firmware takes a few minutes to complete. During the update, do not turn the ignition to the OFF position, nor remove the USB device.

Precautions

  • Cool off the unit beforehand if your car has been parked in direct sunlight.
  • Do not leave the front panel or audio devices brought in inside the car, or it may cause malfunction due to high temperature in direct sunlight. • Power antenna (aerial) extends automatically.

To maintain high sound quality

Do not splash liquid onto the unit.

Playback order of audio filesgraph TD A["1"] --> B["①"] A --> C["②"] A --> D["③"] A --> E["④"] A --> F["⑥"] A --> G["⑦"] B --> H["②"] C --> I["③"] D --> J["④"] E --> K["⑤"] F --> L["⑥"] style A fill:#f9f,stroke:#333 style B fill:#ccf,stroke:#333 style C fill:#ccf,stroke:#333 style D fill:#cfc,stroke:#333 style E fill:#cfc,strok…

If you have any questions or problems concerning your unit that are not covered in this manual, consult your nearest Sony dealer.

Maintenance

Cleaning the connectors

The unit may not function properly if the connectors between the unit and the front panel are not clean. In order to prevent this, detach the front panel (page 5) and clean the connectors with a cotton swab. Do not apply too much force. Otherwise, the connectors may be damaged.

Line drawings showing two hand positions: one holding a clip, the other holding a device (no text or symbols present).

Notes

  • For safety, turn off the ignition before cleaning the connectors, and remove the key from the ignition switch.
  • Never touch the connectors directly with your fingers or with any metal device.

Specifications

Tuner section

FM

Tuning range:

When [AREA] is set to [EUROPE]:

87.5 MHz - 108.0 MHz

When [AREA] is set to [RUSSIA]:

FM1/FM2: 87.5 MHz - 108.0 MHz (at 50 kHz step)

FM3: 65 MHz - 74 MHz (at 30 kHz step)

Antenna (aerial) terminal:

External antenna (aerial) connector

Intermediate frequency:

When [AREA] is set to [EUROPE]:

FM CCIR: -1,956.5 kHz to -487.3 kHz and +500.0 kHz to +2,095.4 kHz

When [AREA] is set to [RUSSIA]:

FM CCIR: -1,956.5 kHz to -487.3 kHz and +500.0 kHz to +2,095.4 kHz

FM OIRT: -1,815.6 kHz to -943.7 kHz and +996.6 kHz to +1,776.6 kHz

Usable sensitivity: 7 dBf

Selectivity: 75 dB at 400 kHz

Signal-to-noise ratio: 73 dB

Separation: 50 dB at 1 kHz

Frequency response: 20 Hz – 15,000 Hz

MW/LW

Tuning range:

MW: 531 kHz - 1,602 kHz

LW: 153 kHz - 279 kHz

Antenna (aerial) terminal:

External antenna (aerial) connector

Sensitivity: MW: 26 μV, LW: 50 μV

USB Player section

Interface: USB (Full-speed)

Maximum current: 500 mA

Maximum number of recognizable folders and files:

Folders (albums): 256

Files (tracks) per folder: 256

Compatible Android Open Accessory protocol (AOA): 2.0

Corresponding codec:

MP3 (.mp3)

Bit rate: 8 kbps - 320 kbps (Supports VBR (Variable Bit Rate))

Sampling rate: 16 kHz - 48 kHz

WMA (.wma)

Bit rate: 32 kbps - 192 kbps (Supports VBR (Variable Bit Rate))

Sampling rate: 32 kHz, 44.1 kHz, 48 kHz

FLAC (.flac)

Bit depth: 16 bit, 24 bit

Sampling rate: 44.1 kHz, 48 kHz

Power amplifier section

Output: Speaker outputs

Speaker impedance: 4 Ω - 8 Ω

Maximum power output: 55 W × 4 (at 4 Ω)

General

Outputs:

Audio outputs terminal (REAR)

Power antenna (aerial)/Power amplifier control terminal (REM OUT)

Inputs:

Remote controller input terminal

Antenna (aerial) input terminal

Power requirements: 12 V DC car battery (negative ground (earth))

Rated current consumption: 10 A

Dimensions:

Approx. 178 mm × 50 mm × 119 mm

(71/8 in × 2 in × 4 3/4 in) (w/h/d)

Mounting dimensions:

Approx. 182 mm × 53 mm × 102 mm

(7 1/4 in × 2 1/8 in × 4 1/8 in) (w/h/d)

Mass: Approx. 0.7 kg (1 lb 9 oz)

Package contents:

Main unit (1)

Parts for installation and connections (1 set)

Your dealer may not handle some of the above listed accessories. Please ask the dealer for detailed information.

Design and specifications are subject to change without notice.

Copyrights

Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

This product is protected by certain intellectual property rights of Microsoft Corporation. Use or distribution of such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft subsidiary.

MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson.

Android is a trademark of Google Inc.

libFLAC

Copyright (C) 2000-2009 Josh Coalson

Copyright (C) 2011-2013 Xiph.Org Foundation

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

- Neither the name of the Xiph.org Foundation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Troubleshooting

The following checklist will help you remedy problems you may encounter with your unit.

Before going through the checklist below, check the connection and operating procedures.

For details on using the fuse and removing the unit from the dashboard, see "Connection/Installation" (page 19).

If the problem is not solved, visit the support site on the back cover.

General

No sound or the sound is very low.

→ The position of the fader control [FADER] is not set for a 2-speaker system.

→ The volume of the unit and/or connected device is very low.

— Increase the volume of the unit and connected device.

No beep sound.

→ An optional power amplifier is connected and you are not using the built-in amplifier.

The contents of the memory have been erased.

→ The power supply lead or battery has been disconnected or not connected properly.

Stored stations and correct time are erased. The fuse has blown.

Makes a noise when the ignition is switched.

→ The leads are not matched correctly with the car's accessory power connector.

During playback or reception, the demonstration mode starts.

→ If no operation is performed for 5 minutes with [DEMO-ON] set, the demonstration mode starts. — Set [DEMO-OFF] (page 11).

The display disappears from/does not appear in the display window.

→ The dimmer is set to [DIM-ON] (page 13). → The display disappears if you press and hold OFF. — Press OFF on the unit until the display appears. → The connectors are dirty (page 14).

The display/illumination flashes.

→ The power supply is not sufficient.

- Check that the car battery supplies enough power to the unit. (The power requirement is 12 V DC.)

The operation buttons do not function.

→ Press DSPL and (back)/MODE for more than 2 seconds to reset the unit.

The contents stored in memory are erased. For your safety, do not reset the unit while you are driving.

Radio reception

Stations cannot be received.

The sound is hampered by noises.

→ The connection is not correct.

  • Check the connection of the car antenna (aerial).
  • If the auto antenna (aerial) will not extend, check the connection of the power antenna (aerial) control lead.

Preset tuning is not possible.

→ The broadcast signal is too weak.

65 MHz to 74 MHz in FM3 cannot be tuned in.

→ [AREA] is set to [EUROPE].

— Set [AREA] to [RUSSIA] (page 11).

RDS

RDS services cannot be received (when [AREA] is set to [RUSSIA]).

→ FM3 is selected. — Select FM1 or FM2. → RDS services are unavailable in the current region.

The SEEK starts after a few seconds of listening.

→ The station is non-TP or has weak signal.

No traffic announcements.

→ Activate TA (page 8). → The station does not broadcast any traffic announcements despite being TP.

Tune in another station.

PTY displays [----].

The current station is not an RDS station. RDS data has not been received. The station does not specify the program type.

Program service name flashes.

There is no alternative frequency for the current station.

Press ◀◀◀/▶▶▶ (SEEK -/+) while the program service name is flashing. [PI SEEK] appears and the unit starts searching for another frequency with the same PI (program identification) data.

USB device playback

You cannot play items via a USB hub.

This unit cannot recognize USB devices via a USB hub.

A USB device takes longer to play.

The USB device contains files with a complicated tree structure.

The sound is intermittent.

The sound may be intermittent at a high-bit-rate. DRM (Digital Rights Management) files may not be playable in some cases.

Audio file cannot be played.

USB device formatted with file systems other than FAT16 or FAT32 are unsupported. This unit supports FAT16 and FAT32, but some USB devices may not support all of these FAT. For details, refer to the operating instruction of each USB device or contact the manufacturer.

Operations for skipping an album, skipping items (Jump mode), and searching a track by name (Quick-BrowZer) cannot be performed.

→ These operations cannot be performed when a USB device in Android mode is connected. — Set [USB MODE] to [MSC/MTP] (page 12). → The USB mode of the device is not set to the appropriate mode. — Make sure that the USB mode of the device is set to MSC/MTP mode.

The sound cannot be output during playback in Android mode.

→ While the unit is in Android mode, the sound outputs only from the Android smartphone.

— Check the status of the audio playback application on the Android smartphone. - Playback may not perform properly depending on the Android smartphone.

Messages

The following messages may appear or flash during operation.

HUB NO SUPRT: USB hubs are not supported.

INVALID

→ The selected operation could be invalid.

NO AF: No alternative frequencies.

→ Press ◀◀◀/▶▶▶I (SEEK -/+ ) while the program service name is flashing. The unit starts searching for another frequency with the same PI (program identification) data ([PI SEEK] appears).

NO TP: No traffic programs.

→ The unit will continue searching for available TP stations.

NOT SUPPORT - ANDROID MODE

→ A USB device not supporting AOA (Android Open Accessory) 2.0 is connected to the unit while [USB MODE] is set to [ANDROID]. — Set [USB MODE] to [MSC/MTP] (page 12).

OVERLOAD: The USB device is overloaded.

→ Disconnect the USB device, then press SRC to select another source. → The USB device has a fault, or an unsupported device is connected.

READ: Now reading information.

→ Wait until reading is complete and playback starts automatically. This may take some time depending on the file organization.

USB ERROR: The USB device cannot be played.

→ Connect the USB device again.

USB NO DEV: A USB device is not connected or recognized.

→ Make sure the USB device or USB cable is securely connected.

USB NO MUSIC: There is no playable file.

→ Connect a USB device containing playable files (page 14).

USB NO SUPRT: The USB device is not supported.

→ For details on the compatibility of your USB device, visit the support site on the back cover.

For steering wheel remote control operation:

ERROR: An error occurred during the function registration.

Register again from the function where the error occurred (page 12).

TIMEOUT: The function registration failed due to a timeout.

Try completing the registration while [REGISTER] is blinking (about 6 seconds) (page 12).

For firmware update operation:

FILE ERROR: The updater is not stored in the USB device.

Store the updater in the USB device, then try again (page 13).

UPDATE ERROR PRESS ENTER: Firmware update is not completed properly.

Press ENTER to clear the message, then try again. During the update, do not turn the ignition to the OFF position, nor remove the USB device (page 13). Insert the USB device storing the updater, and then press ENTER.

If these solutions do not help improve the situation, consult your nearest Sony dealer.

Connection/Installation

Cautions

  • Run all ground (earth) leads to a common ground (earth) point.
  • Do not get the leads trapped under a screw, or caught in moving parts (e.g., seat railing).
  • Before making connections, turn the car ignition off to avoid short circuits.
  • Connect the power supply lead ④ to the unit and speakers before connecting it to the auxiliary power connector.
  • Be sure to insulate any loose unconnected leads with electrical tape for safety.

Precautions

  • Choose the installation location carefully so that the unit will not interfere with normal driving operations.
  • Avoid installing the unit in areas subject to dust, dirt, excessive vibration, or high temperature, such as in direct sunlight or near heater ducts.
  • Use only the supplied mounting hardware for a safe and secure installation.

Note on the power supply lead (yellow)

When connecting this unit in combination with other stereo components, the amperage rating of the car circuit to which the unit is connected must be higher than the sum of each component's fuse amperage rating.

Mounting angle adjustment

Adjust the mounting angle to less than 45 degrees.

Parts List for Installation

SONY DSX-A112U - Parts List for Installation - 1

SONY DSX-A112U - Parts List for Installation - 2

SONY DSX-A112U - Parts List for Installation - 3

SONY DSX-A112U - Parts List for Installation - 4

  • This parts list does not include all the package contents.
  • The bracket ① and the protection collar ③ are attached to the unit before shipping. Before mounting the unit, use the release keys ② to remove the bracket ① from the unit. For details, see "Removing the protection collar and the bracket" (page 22).
  • Keep the release keys ② for future use as they are also necessary if you remove the unit from your car.

Connectiongraph TD A["ANT IN"] --> B["from a car antenna (aerial)*5"] B --> C["from a wired remote control (not supplied)*4"] C --> D["See "Power connection diagram" (page 22) for details."] D --> E["① For details, see "Making connections" (page 21)."] D --> F["②"] D --> G["④"] G --> H["FU…

*1 Not supplied *2 Speaker impedance: 4 Ω - 8 Ω × 4 *3 RCA pin cord (not supplied)

*4 Depending on the type of car, use an adaptor for a wired remote control (not supplied). For details on using the wired remote control, see "Using the wired remote control" (page 22). *5 Depending on the type of car, use an adaptor (not supplied) if the antenna connector does not fit.

Making connections

If you have a power antenna (aerial) without a relay box, connecting this unit with the supplied power supply lead ④ may damage the antenna (aerial).

① To the car's speaker connector

SONY DSX-A112U - Making connections - 1

1Rear speaker(right)Purple
2Purple/blackstriped
3Front speaker(right)Gray
4Gray/black striped
5Front speaker(left)White
6 ⊖White/blackstriped
7Rear speaker(left)Green
8 ⊖Green/blackstriped

② To the car's power connector

SONY DSX-A112U - Making connections - 2

12continuous power supplyYellow
13power antenna (aerial) / power amplifier control (REM OUT)Blue/white striped
15switched power supply Red
16ground (earth) Black

Subwoofer Easy Connection

You can use a subwoofer without a power amplifier when it is connected to a rear speaker cord.

Front speaker, Subwoofer

Notes

- Preparation of the rear speaker cords is required. - Use a subwoofer with an impedance of 4 Ω to 8 Ω, and with adequate power handling capacities to avoid damage.

Memory hold connection

When the yellow power supply lead is connected, power will always be supplied to the memory circuit even when the ignition switch is turned off.

Speaker connection

- Before connecting the speakers, turn the unit off. - Use speakers with an impedance of 4 Ω to 8 Ω, and with adequate power handling capacities to avoid damage.

Power connection diagram

Make sure your car's auxiliary power connector matches the connections of cords correctly depending on the car.

Auxiliary power connector

15 13 11 9, 16 14 12 10

Common connectionRed Red, Yellow Yellow

12continuous power supplyYellow
15switched power supply Red

When the positions of the red and yellow leads are invertedRed Red, Yellow Yellow

12 sswitched power supplyYellow
15continuous powersupplyRed

When the car without ACC positionRed, Red, Yellow, Yellow

After matching the connections and switching power supply leads correctly, connect the unit to the car's power supply. If you have any questions and problems connecting your unit that are not covered in this manual, consult the car dealer.

Using the wired remote control

1 To enable the wired remote control, set [STR CONTROL] in [SET STEERING] to [PRESET] (page 11).

Installation

Removing the protection collar and the bracket

Before installing the unit, remove the protection collar ③ and the bracket ① from the unit.

1 Pinch both edges of the protection collar ③, then pull it out.

Diagram showing hands operating a battery pack with labeled component ③.

2 Insert both release keys ② until they click, and pull down the bracket ①, then pull up the unit to separate.

Face the hook inwards.

Mounting the unit in the dashboard

Before installing, make sure the catches on both sides of the bracket ① are bent inwards 2 mm (3/32 in).

1 Position the bracket ① inside the dashboard, then bend the claws outward for a tight fit.

182 mm (71/4 in), 53 mm (21/8 in), Catch, ①

2 Mount the unit onto the bracket ①, then attach the protection collar ③.

Technical diagram showing assembly steps of a device with labeled components and directional arrows indicating movement.

Notes

  • If the catches are straight or bent outwards, the unit will not be installed securely and may spring out. • Make sure the 4 catches on the protection collar ③ are properly engaged in the slots of the unit.

Detaching and attaching the front panel

For details, see "Detaching the Front Panel" (page 5).

Resetting the unit

For details, see "Resetting the Unit" (page 6).

Fuse replacement

When replacing the fuse, be sure to use one matching the amperage rating stated on the original fuse. If the fuse blows, check the power connection and replace the fuse. If the fuse blows again after replacement, there may be an internal malfunction. In consult your nearest Sony dealer.

SONY DSX-A112U - Fuse replacement - 1

SONY DSX-A112U - Fuse replacement - 2

SONY DSX-A112U - Fuse replacement - 3

DIGITAL RECEIVER

Made in Thailand

Notes

If you have any questions or for the latest support information on this product, please visit the web site below:

Register your product online now at:

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Product information

Brand : SONY

Model : DSX-A112U

Category : Car radio