Sony WX-900BTM, WX-850BT, WX-900BT User Manual

WX-850BT/900BT/

900BTM

SERVICE MANUAL

Ver. 1.1 2016.02

Photo: WX-900BT

The service manual of the mechanism deck, used in this model, has been issued in a separate volume. Please refer to the service manual of the MG-101 series for the mechanism deck information.

• The tuner and CD sections have no adjustments.

(US and Canadian models only) FOR THE CUSTOMERS IN THE USA. NOT APPLICABLE IN CANADA, INCLUDING IN THE PROVINCE OF QUEBEC.

POUR LES CLIENTS AUX ÉTATS-UNIS. NON APPLICABLE AU CANADA, Y COMPRIS LA PROVINCE DE QUÉBEC.

AUDIO POWER SPECIFICATIONS

CEA2006 Standard Power Output: 17 Watts RMS × 4 at 4 Ohms < 1% THD+N SN Ratio: 80 dBA (reference: 1 Watt into 4 Ohms)

Tuner section (US and Canadian models)

Tuning range: 87.5 – 107.9 MHz Antenna (aeria l) terminal:

External antenna (aerial) connector

Intermediate frequen cy:

FM CCIR: -1,956.5 to -487.3 kHz and

+500.0 to + 2,095.4 kHz Usable sensitivity: 8 dBf Selectivity: 75 dB at 400 kHz Signal-to-noise ratio: 73 dB Separation: 50 dB at 1 kHz Frequency response: 20 – 15,000 Hz

Tuning range: 530 – 1,710 kHz Antenna (aeria l) terminal:

External antenna (aerial) connector

Sensitivity: 26 μV

Tuner section (AEP and UK models)

Tuning range: 87.5 – 108.0 MHz Antenna (aeria l) terminal:

External antenna (aer ial) connector

Intermediate frequency:

FM CCIR: -1,956.5 to -487.3 kHz and

+500.0 to +2,095.4 kHz Usable sensitivity: 8 dBf Selectivity: 75 dB at 400 kHz Signal-to-noise ratio: 73 dB Separation: 50 dB at 1 kHz Frequency response: 20 – 15,000 Hz

MW/LW

Tuning range:

MW: 531 – 1,602 kHz LW: 153 – 279 kHz

Antenna (aeria l) terminal:

External antenna (aer ial) connector

Sensitivity: MW: 26 μV, LW: 50 μV

Tuner section (E, Indian and Australian models)

Tuning range:

87.5 – 108.0 MHz (at 50 kH z step)

87.5 – 108.0 MHz (at 100 kHz step)

87.5 – 107.9 MHz (at 200 kHz step)

FM tuning step:

50 kHz/100 kHz/200 kHz switchable

Antenna (aerial) terminal:

External antenna (aerial) connector

Intermediate frequency:

FM CCIR: -1,956.5 to -487.3 kHz and

+500.0 to +2,095.4 kHz Usable sensitivity: 8 dBf Selectivity: 75 dB at 400 kHz Signal-to-noise ratio: 73 dB Separation: 50 dB at 1 kHz Frequency response: 20 – 15,000 Hz

Tuning range:

531 – 1,602 kHz (at 9 kHz step) 530 – 1,710 kHz (at 10 kHz step)

AM tuning step:

9 kHz/10 kHz switchable

Antenna (aerial) terminal:

External antenna (aerial) connector

Sensitivity: 26 μV

Model Name Using Similar Mechanism MEX-N4100BT/N4150BT

Mechanism Type MG-101CF-188

Optical Pick-up Name DAX-25A

SPECIFICATIONS

CD Player section

Signal-to-noise ratio: 120 dB Frequency response: 10 – 20,000 Hz Wow and utter: Below measurable limit The maximum number of: (CD-R/CD-RW only) –

folders (albums): 150 (including root folder)

–

les (tracks) and folders: 300 (may less than 300 if folder/le nam es contain many

–

displayable characters for a folder/le name: 32 (Joliet)/64 (Romeo)

Corresponding codec: MP3 (.mp3), WMA (.wma)

and AAC (.m4a)

USB Player secti on

Interface: USB (High-speed) Maximum current: 1 A The maximum number of recognizable tracks:

10,000

Corresponding codec:

MP3 (.mp3)

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

Bit Rate))

Sampling rate: 16 - 48 kHz

WMA (.wma)

Bit rate: 32 - 192 kbps ( Supports VBR

(Variable Bit Rate) )

Sampling rate: 32 kHz, 44.1 kHz, 48 kHz

AAC (.m4a, .mp4)

Bit rate: 8 - 320 kb ps Sampling rate: 11.025 - 48 kHz

WAV (.w av)

Bit depth: 16 bit Sampling rate: 44.1 kHz, 48 kHz

FLAC (.ac)

Bit depth: 16 bit, 24 bit Sampling rate: 44.1 kHz, 48 kHz

characters)

US Model

Canadian Model

WX-850BT/900BT

AEP Model

UK Model

E Model

Australian Model

WX-900BT

Indian Model

WX-900BT/900BTM

Wireless Communication

Communication System:

BLUETOOTH Standard version 3.0

Output:

BLUETOOTH Standard Power Class 2 (Max. +4 dBm)

Maximum communication range:

Line of sight approx. 10 m (33 ft)*

Frequency band:

2.4 GHz band (2.4000 – 2.4835 GHz) Modulation method: FHSS Compatible BLUETOOTH Proles*

A2DP (Advanced Audio Distribution Prole) 1.3 AVRCP (Audio Video R emote Control Prole) 1.5 HFP (Handsfree Prole) 1.6 PBAP (Phone Book Access Prole) SPP (Serial Port Prole) MAP (Message Access Prole) HID (Human Interface Device Prole)

Corresponding codec:

SBC (.sbc) and AAC (.m4a)

*1 The actual range will vary depending on factors such

as obstacles between devices, magnetic elds around a microwave oven , static electricity, reception sensitivity, antenna (aerial)’s performance, operating system, software application, etc.

*2 BLUETOOTH standard proles indicate the purpose

of BLUETOOTH communication between devices.

Power amplier section

Output: Speaker outputs Speaker impedance: 4 – 8 ohms Maximum power output: 55 W × 4 (at 4 ohms)

– Continued on next page –

AUDIO SYSTEM

9-896-191-02

2016B33-1

2016.02

Sony Video & Sound Products Inc.

Published by Sony Techno Create Corporation

WX-850BT/900BT/900BTM

Ver. 1.1

General

Outputs:

Audio outputs terminal: front, rear, sub Power antenna (aerial)/Power amplier control

terminal (REM OUT )

Inputs:

SiriusXM input terminal (900BT: US and Canadian models only) Remote controller input terminal Antenna (aerial) input terminal MIC input termin al AUX input jack (stereo mini jack) USB port

Power requirements: 12 V DC car battery (negative

ground (earth)) Rated current consumptio n: 10 A Dimensions:

Approx. 178 mm × 100 mm × 178 mm

/ 8 in × 4 in × 7 1/ 8 in) (w/h/d)

Mounting dimensions:

Approx. 182 mm × 111 mm × 159 mm

/4 in × 4 3/ 8 in × 6 3/ 8 in) (w/h/d) Mass: Approx. 1.4 kg (3 lb 2 oz) Package contents:

Main unit (1) Remote commander (1): RM-X231 (US, Canadian, E, Indian and Australian models only) Microphone (1) Parts for installation and connections (1 set)

Design and specications are subject to change without notice.

Copyrights

SiriusXM Connect Vehicle Tuner and Subscription sold separately. www.siriusxm.com Sirius, XM and all related marks and logos are trademarks of Sirius XM Radio Inc. All rights reserv ed.

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sony Corporation is under license. Other trademarks and trade names are those of their respective owners.

The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries.

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

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.

iPhone, iPod, iPod classic, iPod nano, iPod touch, and Siri are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc.

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

Pandora®, the Pandora® logo, and the Pandora® trade dress are trademarks or registered trademarks of Pandora Media, Inc., used with permission.

Google, Google Play and Android are trademarks of Google Inc.

libFLAC

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

Redistributions of source code must retain the – above copyright notice, this l ist of conditions and the following disc laimer.

–

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

–

Neither the name of the Xiph.org Foundation nor the names of i ts contributors may be us ed to endorse or promote products derived from this software without specic prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIG HT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTI ES, 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) HOWEVE R 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 POSSIB ILITY OF SUCH DAMAGE.

NOTES ON CHIP COMPONENT REPLACEMENT

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

FLEXIBLE CIRCUIT BOARD REPAIRING

• Keep the temperature of soldering iron around 270 °C during

repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

US and Canadian models:

CAUTION

he use of optical instruments with this product will

increase eye hazard.

CAUTION

Use of controls or adjustments or performance of procedures other than those speciﬁ ed herein may result in hazardous radia- tion exposure.

SAFETY-RELATED COMPONENT WARNING!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

WX-850BT/900BT/900BTM

SECTION 1

SERVICING NOTES

1. SERVICING NOTES ............................................. 3

2. GENERAL .................................................................. 16

3. DISASSEMBLY

3-1. Disassembly Flow ........................................................... 22

3-2. Mini Fuse (Blade Type) (FU1), Cover ............................ 22

3-3. Panel Front Block ........................................................... 23

3-4. CD Mechanism Deck (MG-101CF-188) ........................ 24

3-5. MAIN Board ................................................................... 25

3-6. Knob (VOL) Assy (NFC1), Panel Front Assy,

KEY Board ...................................................................... 26

3-7. Service Position .............................................................. 27

4. TEST MODE ............................................................ 27

5. DIAGRAMS

5-1. Block Diagram - SERVO/USB/Bluetooth Section - ....... 28

5-2. Block Diagram - MAIN Section - ................................... 29

5-3. Block Diagram

- PANEL/POWER SUPPLY Section - ............................ 30

5-4. Printed Wiring Boards - MAIN Section (1/2) - .............. 32

5-5. Printed Wiring Board - MAIN Section (2/2) - ................ 33

5-6. Schematic Diagram - MAIN Section (1/4) - ................... 34

5-7. Schematic Diagram - MAIN Section (2/4) - ................... 35

5-8. Schematic Diagram - MAIN Section (3/4) - ................... 36

5-9. Schematic Diagram - MAIN Section (4/4) - ................... 37

5-10. Printed Wiring Board

- KEY Board (Component Side) -................................... 38

5-11. Printed Wiring Board

- KEY Board (Conductor Side) - .................................... 39

5-12. Schematic Diagram - KEY Board - ................................ 40

The SERVICING NOTES contains important information for servicing. Be sure to read this section before repairing the unit.

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

The laser diode in the optical pick-up block may suffer electrostatic break-down because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body. During repair, pay attention to electrostatic break-down and also use the procedure in the printed matter which is included in the repair parts. The ﬂ exible board is easily damaged and should be handled with care.

NOTES ON LASER DIODE EMISSION CHECK

Never look into the laser diode emission from right above when checking it for adjustment. It is feared that you will lose your sight.

If the optical pick-up block is defective, please replace the whole optical pick-up block. Never turn the semi-ﬁ xed resistor located at the side of optical pick-up block.

optical pick-up

6. EXPLODED VIEWS

6-1. Main Section ................................................................... 49

6-2. Front Panel Section ......................................................... 50

7. ELECTRICAL PARTS LIST .............................. 51

Accessories are given in the last of the electrical parts list.

semi-fixed resistor

UNLEADED SOLDER

Boards requiring use of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with

the lead free mark due to their particular size)

: LEAD FREE MARK

Unleaded solder has the following characteristics.

• Unleaded solder melts at a temperature about 40 °C higher than ordinary solder.

Ordinary soldering irons can be used but the iron tip has to be

applied to the solder joint for a slightly longer time.

Soldering irons using a temperature regulator should be set to

about 350 °C. Caution: The printed pattern (copper foil) may peel away if

the heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscous (sticky, less prone to ﬂ ow)

than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may

also be added to ordinary solder.

WX-850BT/900BT/900BTM

+ side up

Ver. 1.1

REPLACING THE LITHIUM BATTERY OF THE REMOTE COMMANDER (850BT, 900BT: US, Canadian, E, Indian, Australian models and 900BTM only)

Under normal conditions, the battery will last approximately 1 year. (The service life may be shorter, depending on the conditions of use.) When the battery becomes weak, the range of the remote commander becomes shorter.

CAUTION

Danger of explosion if battery is incorrectly replaced. Replaced only with the same or equivalent type.

Notes on the lithium battery

ˎ Keep the lithium battery out of the reach of children.

Should the battery be swallowed, immediately consult a doctor.

ˎ Wipe the battery with a dry cloth to ensure a good

contact.

ˎ Be sure to observe the correct polarity when installing

the battery.

ˎ Do not hold the battery with metallic tweezers,

otherwise a short-circuit may occur.

WARNING

Battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire.

MODEL IDENTIFICATION

Distinguish by Part No. on the bottom side of the main unit.

– Bottom view – (US, Canadinan, AEP and UK models)

Model Number Label

Part No.

– Bottom view – (E, Indian and Australian models)

Model Number Label

Part No.

Part No. Model

4-575-528-0[]

4-575-529-0[]

4-575-530-0[]

4-575-531-0[]

4-575-532-0[]

4-588-101-0[]

WX-900BT: US and Canadian models (UC)

WX-900BT: AEP and UK models (EUR)

WX-900BT: E and Australian models (E)

WX-900BT: Indian model (IN)

WX-900BTM: Indian model (MARUTI SUZUKI model) (IN)

WX-850BT: US and Canadian models (Wal-Mart model) (UC)

DESTINATION ABBREVIATIONS

The following abbreviations for model destinations are used in this service manual.

• Abbreviations AUS : Australian model CND : Canadian model IND : Indian model

WX-850BT/900BT/900BTM

DESTINATION SETTING METHOD

When the complete MAIN board or serial ﬂ ash (IC502) is re- placed, the destination setting is necessary.

1. Destination Setting

Set destination according to the procedure below.

1-1. Setting the Destination Code

1. In the state of source off (the clock is displayed on the liquid crystal display), enter the test mode by pressing the buttons in order of the [ 4] t [MIC 5] t [PAUSE 6] (press only the [PAUSE 6] button for two seconds).

(Displayed characters/values in the following ﬁ gure are ex-

ample)

Clock display

2. In the state in which the software main version is displayed on the liquid crystal display (refer to the following ﬁ gure), enter the destination setting mode by pressing the buttons in order of the [M> SEEK+] t [SEEK– .m] t [v PUSH ENTER/MENU/ VOICE].

(Displayed characters/values in the following ﬁ gure are ex-

ample)

4. The resetting operation is executed by pressing the [SOURCE OFF] button for 1 second after the setting ends, and the unit

returns to the normal condition.

Display after reset

1-2. Display in Destination Setting Mode

Note: The displayed contents of the following ﬁ gure is an example. The

destination code is different depending on the destination of the product.

Destination code

OP0OP1OP2OP3OP4OP5

6 digits

1-3. Entering the Destination Code

• Method of operation by main unit

Software main version

3. Input the alphanumeric character of 6 digits displayed on the liquid crystal display, and execute the destination setting.

Note 1: The displayed contents of the following ﬁ gure is an example. The

destination code is different depending on the destination of the product.

Note 2: Refer to the following “1-3. Entering the Destination Code” for

operation method.

Destination code

6 digits

1. Rotate the control dial, and select the alphanumeric character of “0 to F”.

2. The digit advances by pressing the [v PUSH ENTER/MENU/

VOICE] or [M> SEEK+] button.

The digit returns by pressing the [MODE ] or [SEEK–

.m] button.

3. The setting is completed by pressing the [v PUSH ENTER/ MENU/ VOICE] button at the state of cursor position of “OP0”, then the display turns off, the initialization operation is done, and the display returns to the clock display.

– Continued on next page –

WX-850BT/900BT/900BTM

Ver. 1.1

• Method of operation by remote commander (850BT, 900BT: US, Canadian, E, Indian, Australian

models and 900BTM only)

Note: The model to which the remote commander is not attached can

also be operated by using the remote commander.

1. Press the [V] or [v] button, and select the alphanumeric character of “0 to F”.

2. The digit advances by pressing the [b] or [ENTER] button.

The digit returns by pressing the [B] button.

3. The setting is completed by pressing the [ENTER] button at the state of cursor position of “OP0”, then the display turns off, the initialization operation is done, and the display returns to the clock display.

2. In the state in which the software main version is displayed on the liquid crystal display (refer to the following ﬁ gure), enter the destination setting value display mode by pressing the [DSPL

SCRL] button twice (software main version t

Bluetooth address t destination code).

(Displayed characters/values in the following ﬁ gure are ex-

ample)

Software main version

3. Conﬁ rm the alphanumeric character of 6 digits on the liquid crystal display is a value correctly input.

Note: The displayed contents of the following ﬁ gure is an example. The

destination code is different depending on the destination of the product.

Destination code

1-4. Destination Code

Model Destination OP5 OP4 OP3 OP2 OP1 OP0

WX-850BT US, Canadian 4 2 8 1 4 2

US, Canadian 4 2 8 3 2 2

WX-900BT

WX-900BTM Indian 0 6 9 1 3 0

AEP, UK 0 2 8 1 2 1

E, Australian 0 6 B 1 2 0

Indian 0 6 9 1 2 0

2. Conﬁ rmation After Destination Setting

Execute the following operation after completing the destination setting, and conﬁ rm a correct destination was set.

Destination setting checking method:

(Displayed characters/values in the following ﬁ gure are ex-

ample)

Clock display

OP0OP1OP2OP3OP4OP5

6 digits

4. The resetting operation is executed by pressing the [SOURCE OFF] button for 1 second after the conﬁ rming ends, and the

unit returns to the normal condition.

Display after reset

WX-850BT/900BT/900BTM

TEST DISCS

Use following TEST DISC (for CD) when this unit conﬁ rms the operation and checks it.

Part No. Description

3-702-101-01 DISC (YEDS-18), TEST 4-225-203-01 DISC (PATD-012), TEST

NOTE OF PERFORMING THE OPERATION CHECK

When performing the operation check in the state that is removed the CD mechanism deck from the main unit, it is necessary to use a long ﬂ exible ﬂ at cable. When performing the operation check, use following ﬂ exible ﬂ at cable.

Part No. Description

1-846-819-31 CABLE FLEXIBLE FLAT (27 CORE)

(Length: 150 mm)

NOTE OF REPLACING THE ANT001, IC001, IC503, IC804, IC1002 AND IC1009 ON THE MAIN BOARD

ANT001, IC001, IC503, IC804, IC1002 and IC1009 on the MAIN board cannot replace with single. When these parts are damaged, replace the complete mounted board.

NOTE FOR REPLACING OF THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)

To replace the USB connector and AUX jack requires alignment.

1. Insert the USB connector and AUX jack into the front panel.

2. Place the KEY board on the front panel and align the terminals of the USB connector and AUX jack with the holes in the KEY board.

3. Solder six terminals of the USB connector and three terminals of the AUX jack.

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 [SET 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.

KEY board

AUX jack (J901)

USB connector (CN902)

front panel

WX-850BT/900BT/900BTM

BLUETOOTH FUNCTION CHECKING METHOD USING A SMARTPHONE OR CELLULAR PHONE

1. Required Equipment

• This unit to be tested, external microphone of attachment

• Bluetooth compatible smartphone or cellular phone

• Bluetooth audio devices (SONY NWZ-A826, or select from connectable smartphone, cellular phones or audio devices list)

• Speaker connection (at least Front L/R ch)

• DC power supply (12 V)

2. Preparation

• Conﬁ rm the setting of this unit and note down it.

• Press the [

CALL] button and rotate the control dial until “SET PAIRING” appears, then press it, conﬁ rm that the Blue- tooth signal icon ( ) is ﬂ ashing.

• Turn on the Bluetooth function of the smartphone or cellular phone.

3. Test Environment

• No other Bluetooth device is making a communication in the periphery (within 20 m).

• No other this unit are supplied with electric power.

• There are no two or more wireless LAN access points in the periphery (with 50 m) (one is OK).

• The set should be tested in a place such as a meeting room, free from ambient noise.

• The speaker at the far end should be in a place such as another meeting room separated acoustically.

4. Setting

Install this unit on the desktop.

Approx. 50 cm

Speaker

Unit

6. Bluetooth Phone (Hands Free) Function Check

1. Search for this unit from the Bluetooth device (smartphone or cellular phone), and conﬁ rm whether this unit (model name) is displayed.

2. Search for the distance of this unit and the Bluetooth device (smartphone or cellular phone) about 5 m apart.

Conﬁ rm whether the this unit is displayed after it searches.

3. Do the pairing of the smartphone or cellular phone and this unit.

(If the input of the passkey is required, to enter the “0000”)

4. Connect the smartphone or cellular phone with this unit, and conﬁ rm the “HF” icon (

) is lights.

5. Conﬁ rm the connection continues even if the distance of the smartphone or cellular phone and this unit is separated by about 5 m.

6. Set this unit except the “BT PHONE” source, and call the smartphone or cellular phone connected with this unit.

Conﬁ rm the automatic change of this unit into “BT PHONE”

source, and the change into the screen for incoming calls.

Conﬁ rm the ring tone is heard from the front speaker.

7. Take a phone call (press the [ CALL] button), and start a conversation.

Conﬁ rm the other person voice is heard from the speaker. Speak toward an external microphone at the following condi-

tion, and conﬁ rm the other party hears its voice (An external microphone is connected).

Compare the sound quality with a normal set. Conﬁ rm that

there is no big difference.

8. Turn on ACC from off, and conﬁ rm whether this unit connects Bluetooth with the smartphone or cellular phone again.

Note: Depending on the smartphone or cellular phone, it might not recon-

nect automatically when ACC is turned on.

7. Bluetooth Audio Function Check

Note 1: Depending on the connecting BT Audio device, track information

If the device doesn’t support AVRCP1.3, or, if AVRCP1.3 feature

Even if there is no track information on display during playback

(e.g. track name, playback time) can be on display.

of the device has not been validated with this unit, the track information won’t be shown.

of an AVRCP1.3 device, it is not a failure of this unit.

Approx. 80 cm

Teste r

5. Precautions Beware of the following points when conducting the talking test:

• There is no fault if a talking can be made by adjusting appropriately the volume of the telephone of the other party and the smartphone or cellular phone connected through the Bluetooth, besides the setup of this unit.

• The speaker’s voice will become loud naturally if the periphery is noisy, or become low if quiet (even though the speaker intents to talk on the same volume level).

• The speaker’s voice will become loud naturally if the other party’s voice is loud.

1. Connect the Bluetooth audio device (or smartphone, cellular phone with Bluetooth audio function) with this unit, and conﬁ rm the “Audio Streaming” icon ( ) is lights.

2. Playback the Bluetooth audio. Conﬁ rm the sound is emitted from this unit when this unit is switched to “BT AUDIO” source.

3. Conﬁ rm whether Bluetooth audio can be controlled by oper- ating this unit (the [M > SEEK+], [SEEK– . m] and [PAUSE 6] buttons operation).

Note 2: Varies depending on the connected Bluetooth audio device.

8. What to Do after Checking

• After checking, this unit to execute initialization (refer to “IMPORTANT NOTE OF INITIALIZING” on page 15).

(Connected device information is deleted)

WX-850BT/900BT/900BTM

–

BLUETOOTH INFORMATION WRITING METHOD

When the complete MAIN board or knob (VOL) assy (Ref. No. NFC1) is replaced, the writing of Bluetooth information is necessary. Write the Bluetooth information according to the procedure below.

Preparation:

• Windows PC

• NFC compatible smartphone that installed the ﬁ le manager ap- plication (ASTRO File Manager, File Expert, etc.)

• USB cable for the smartphone

• NFC Tag Data Writing Application

(Application name: NFCtagWriter_gm.apk)

Note: Conﬁ rm the method of obtaining the NFC Tag Data Writing Ap-

plication and its latest version with the each service headquarters.

Notes on the use of the NFC Tag Data Writing Application

• The NFC Tag Data Writing Application is updated on an irregular basis.

Always use the latest version of the NFC Tag Data Writing

Application.

To conﬁ rm the version of the NFC Tag Data Writing Appli-

cation, refer to “Checking the Version of the NFC Tag Data Writing Application” on page 10.

• Be sure to uninstall older versions of the NFC Tag Data Writing Application before installing the latest version.

• There are multiple types of the NFC Tag Data Writing Application. If multiple NFC Tag Data Writing Applications are installed on a smartphone, do not launch more than one at the same time.

• The NFC Tag Data Writing Application varies depending on your model.

Be sure to use the NFC Tag Data Writing Application that

supports your model.

Use of NFC Tag Data Writing Applications that do not sup-

port your model is strictly prohibited.

1. Installing the NFC Tag Data Writing Application for the Servicing

Install the NFC Tag Data Writing Application on the smart-

phone for writing of Bluetooth information.

If the NFC Tag Data Writing Application is already installed, conﬁ rm the following.

• Be absolutely sure that the NFC Tag Data Writing Application supports your model.

• Conﬁ rm that the NFC Tag Data Writing Application is the latest version.

(Refer to “Checking the Version of the NFC Tag Data

Writing Application” on page 10)

Procedure:

1. Prepare the NFC Tag Data Writing Application on the PC.

Note: Be absolutely sure that the NFC Tag Data Writing Application sup-

ports your model.

2. Connect the smartphone to the PC with the USB cable.

3. Transfer the NFC Tag Data Writing Application to the smartphone.

4. When tapping the “Settings” → “Security” on the screen of the smartphone, check the box “Unknown sources”.

5. Disconnect the smartphone from the PC.

6. Use the ﬁ le manager application to explore the NFC Tag Data Writing Application on the smartphone.

7. Click on the NFC Tag Data Writing Application to open it, and install the NFC Tag Data Writing Application to the smartphone.

8. When tapping the “Settings” → “Security” on the screen of the smartphone, uncheck the box “Unknown sources”.

Screen after the installation

for reference –

Movies

Settings AlbumWALKMAN

YouTube Camera

Media Player

Play Store

NFC Tag Data

Chrome NFCtagWriter

Browser

Maps

Writing Application

9. Refer to “Checking the Version of the NFC Tag Data Writing Application” on page 10, and conﬁ rm that the NFC T

ag Data

Writing Application is the latest version.

WX-850BT/900BT/900BTM

• Checking the Version of the NFC Tag Data Writing Application

Procedure:

1. Start the NFC Tag Data Writing Application on the smartphone.

2. Tap the “ ” (menu button) or “ ” of the screen of the smartphone, then tap the “About” that is displayed on the screen of the smartphone.

3. Check that version of the NFC Tag Data Writing Application for the servicing is displayed on the screen of the smartphone.

2. Writing the NFC Tag Data

Write the NFC tag data (Bluetooth information) to the NFC module in the knob (VOL) assy (Ref. No. NFC1).

Procedure:

1. Check the Bluetooth address (BD_ADDR). There are following two checking methods.

• How to read from the BT module label

• How to display on the liquid crystal display by the test mode

How to read from the BT module label:

Set the unit to the state where the BT module on the MAIN

board can be seen.

(Refer to “3. DISASSEMBLY” on

page 22 and after)

– MAIN Board (Component Side) –

Here version is displayed

48D2242F241A

BT module label

BD_ADDR (Barcode)

BD_ADDR

– Continued on next page –

WX-850BT/900BT/900BTM

How to display on the liquid crystal display by the

test mode:

1 In the state of source off (the clock is displayed on the

liquid crystal display), enter the test mode by pressing the buttons in order of the [ 4] t [MIC 5] t [PAUSE 6] (press only the [PAUSE 6] button for two seconds).

(Displayed characters/values in the following ﬁ gure are

example)

Software main version

2 In the state in which the software main version is displayed

on the liquid crystal display, enter the Bluetooth address (BD_ADDR) display mode by pressing the [DSPL SCRL] button.

(Displayed characters/values in the following ﬁ gure are

example)

Bluetooth address (BD_ADDR)

5. Input the Bluetooth Local Name (BL_NAME). Tap the “List” on the screen of the smartphone and select the

model name of the this unit. If there is not model name of the this unit on the list, please input the model name with the keyboard on the smartphone.

Bluetooth Local Name

Bluetooth Device Addres

6. Input the Bluetooth address (BD_ADDR). Input the Bluetooth address (BD_ADDR) that was checked by

step 1 with the keyboard on the smartphone, or tap the “QR” on the screen of the smartphone and read the barcode with the camera of the smartphone.

Note 1: When pressing the [DSPL SCRL] button again, the destina-

tion code is displayed on the liquid crystal display, but it is not necessary to display in this step.

3 The resetting operation is executed by pressing the

[SOURCE

OFF] button for 1 second after the conﬁ rming

ends, and the unit returns to the normal condition.

2. Turn on the NFC function of the smartphone.

3. Start the NFC Tag Data Writing Application on the smartphone.

4. Tap the “Write” on the screen of the smartphone.

WX-900BT

Bluetooth Device Addres

7. Tap the “Write” on the screen of the smartphone, in the state that unchecked the box “Read-only”.

WX-900BT

48D2242F241A

8. Touch the N-mark part of the smartphone to the N-mark part of the unit.

– Continued on next page –

WX-850BT/900BT/900BTM

9. Check that “Completed!” is displayed on the screen of the smartphone.

Note 2: When “Completed!” is not displayed on the screen of the smart-

phone, refer to “3. Error Display” on page 13.

10. End the NFC Tag Data Writing Application on the smartphone.

11. Check the operation of connecting with the smartphone by one touch (NFC).

(Refer to “OPERATION CHECK OF THE NFC AFTER

COMPLETING THE REPAIRS” on page 15)

12. Start the NFC Tag Data Writing Application on the smartphone.

13. Tap the “Write” on the screen of the smartphone.

16. Check that “Completed!” is displayed on the screen of the smartphone.

Note 3: When “Completed!” is not displayed on the screen of the smart-

phone, refer to “3. Error Display” on page 13.

17. Tap the “Read” on the screen of the smartphone.

14. Check the box “Read-only” on the screen of the smartphone, and tap the “Write” on the screen of the smartphone.

WX-900BT

48D2242F241A

15. Touch the N-mark part of the smartphone to the N-mark part of the unit.

18. Check that “BD_ADDR” on the screen of the smartphone accords with BD_ADDR written on the BT module label and “MODE” on the screen of the smartphone is “00 00 (Readonly)”.

19. End the NFC Tag Data Writing Application on the smartphone.

20. Check the operation of connecting with the smartphone by one touch (NFC).

(Refer to “OPERATION CHECK OF THE NFC AFTER

COMPLETING THE REPAIRS” on page 15)

WX-850BT/900BT/900BTM

3. Error Display

When the writing of the NFC tag data has failed, “Error” is displayed on the screen of the smartphone. When “Error” is displayed on the screen of the smartphone, operate according to the procedure below.

Procedure:

1. Tap the “Write” on the screen of the smartphone to write of the NFC tag data again.

2. When “Error” is displayed on the screen of the smartphone again, tap the “Read” on the screen of the smartphone.

3. Check that “MODE” on the screen of the smartphone is not “00 00 (Read-only)”.

4. When “MODE” on the screen of the smartphone is “00 00 (Read-only)”, execute the writing of the NFC tag data again after replacing the knob (VOL) assy (Ref. No. NFC1).

(When “MODE” on the screen of the smartphone is “00 00

(Read-only)”, the writing of the NFC tag data cannot execute)

4. Check Method of the NFC Tag Data

Check the NFC tag data according to the procedure below.

Procedure:

1. Check the Bluetooth address (BD_ADDR). There are following two checking methods.

• How to read from the BT module label

• How to display on the liquid crystal display by the test mode

How to read from the BT module label:

Set the unit to the state where the BT module on the MAIN

board can be seen.

(Refer to “3. DISASSEMBLY” on

page 22 and after)

– MAIN Board (Component Side) –

BD_ADDR (Barcode)

48D2242F241A

BT module label

BD_ADDR

– Continued on next page –

WX-850BT/900BT/900BTM

How to display on the liquid crystal display by the

test mode:

1 In the state of source off (the clock is displayed on the

liquid crystal display), enter the test mode by pressing the buttons in order of the [ (press only the [PAUSE 6] button for two seconds).

(Displayed characters/values in the following ﬁ gure are

example)

Software main version

2 In the state in which the software main version is displayed

on the liquid crystal display, enter the Bluetooth address (BD_ADDR) display mode by pressing the [DSPL SCRL] button.

(Displayed characters/values in the following ﬁ gure are

example)

Bluetooth address (BD_ADDR)

4] t [MIC 5] t [PAUSE 6]

5. Check that “BD_ADDR” on the screen of the smartphone accords with BD_ADDR written on the BT module label and “MODE” on the screen of the smartphone is “00 00 (Readonly)”.

6. End the NFC Tag Data Writing Application on the smartphone.

Note: When pressing the [DSPL SCRL] button again, the destina-

3 The resetting operation is executed by pressing the

2. Turn on the NFC function of the smartphone.

3. Start the NFC Tag Data Writing Application on the smart-

4. Tap the “Read” on the screen of the smartphone.

tion code is displayed on the liquid crystal display, but it is not necessary to display in this step.

[SOURCE ends, and the unit returns to the normal condition.

phone.

OFF] button for 1 second after the conﬁ rming

5. The Factor that One Touch Connection is Impossible

The four following factors are considered as the factor that one touch connection is impossible. Guess and check the defective factor by each checking result.

Note: The four following factors are examples.

WX-850BT/900BT/900BTM

Factor

1 BT module defect NG ― NG NG

knob (VOL) assy

defect

NFC tag data

writing failure

4 Smartphone OK OK OK NG

IMPORTANT NOTE OF INITIALIZING

The purpose of “Bluetooth Initialize” is to initialize the Bluetooth connection history (HF/Audio Streaming). (To delete the device information for the devices that you connected to when searching, etc.)

Bluetooth manual con-

nection check by user

OK NG OK NG

NFC tag data check

OPERATION CHECK OF THE NFC AFTER COMPLETING THE REPAIRS

After completing the repairs of this unit, follow the procedure below to check normal operation of the NFC.

Note: After checking of NFC operation, be sure to delete the pairing infor-

When the complete MAIN board is replaced, it is necessary to ini-

Bluetooth manual connec-

tion check by servicing

mation before returning this unit to the customer.

NFC one touch connection

check with smartphone

tialize this unit. Refer to the following, initialize this unit.

Note: Phonebook data and dialed/received call history can be deleted by

executing “Bluetooth Initialize”.

Procedure:

1. In the state of source off (the clock is displayed on the liq-

uid crystal display), press the [v PUSH ENTER/MENU/ VOICE] button.

2. Rotate the control dial, and select the “SET BT”.

3. Press the [v PUSH ENTER/MENU/ VOICE] button.

4. Rotate the control dial, and select the “SET BT INIT”.

5. Press the [v PUSH ENTER/MENU/ VOICE] button, and the

message “SET INIT-NO” is displayed on the liquid crystal display.

6. Rotate the control dial clockwise, and the message “SET INITYES” is displayed on the liquid crystal display.

7. Press the [v PUSH ENTER/MENU/ VOICE] button.

8. When “Bluetooth Initialize” is completed, the message “COMPLETE” is displayed on the liquid crystal display for a moment.

9. Press the [MODE ] button twice, and return to the state of

Connecting with a Smartphone by One touch (NFC)

By touching the control dial on the unit with an NFC* compatible smartphone, the unit is paired and connected with the smartphone automatically.

* NFC (Near Field Communication) is a technology

enabling short-range wireless communication between various devices, such as mobile phones and IC tags. Thanks to the NFC function, data communication can be achieved easily just by touching the relevant symbol or designated location on NFC compatible devices.

For a smartphone with Android OS 4.0 or lower installed, downloading the app “NFC Easy Connect” available at Google Play™ is required. The app may not be downloadable in some countries/regions.

1 Activate the NFC function on the

smartphone.

For details, refer to the operating instructions supplied with the smartphone.

2 Touch the N-Mark part of the unit with

the N-Mark part of the smartphone.

source off (the clock is displayed on the liquid crystal display).

Make sure that lights up on the display of the unit.

To disconnect by One touch

Touch the N-Mark part of the unit with the N-Mark part of the smartphone again.

Notes

ˎ When making the connection, handle the

smartphone carefully to prevent scratches.

ˎ One touch connection is not possible when the unit is

already connected to another NFC compatible device. In this case, disconnect the other device, and make connection with the smartphone again.

WX-850BT/900BT/900BTM

)

Ver. 1.1

(US and Canadian models)

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 o to avoid short circuits. Connect the yellow and re d power supply leads only after all other leads have been connected. 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 comb ination with other stereo components, the amperage rating of the car circuit to which the unit is connected must be highe r than the sum of each component’s fuse amperage rating.

Mounting angle adjustment

Adjust the mounting angle to less than 45°.

Connection

SECTION 2

GENERAL

White

White/black striped

Gray

Gray/black striped

Green

Green/black striped

Purple

Purple/black striped

Black

Yel l ow

Red

Blue/white striped

Orange/white striped

This section is extracted from operating instruction.

Power ampli er*

from a wire d remote cont rol (not supplied)*

Satellite radio tuner

(SiriusXM)*

1*2

Front speaker*

Rear speaker*1*

For details, see “Making connections”.

Subwoofer*

(900BT only

Making connections

To a common ground (earth) point

First connect the black ground (earth) lead, then connect the yellow and red power supply leads.

To the +12 V power terminal which is energized at all times

Be sure to rst connect the black ground (earth) lead to a common ground (earth) point.

To the +12 V power terminal which is energized when the ignition switch i s set to the accessor y position

If there is no accessory position, connect to the +12 V power (battery) terminal which is energized at all times. Be sure to rst connect the black ground (earth) lead to a common ground (earth) point.

To the power antenna (aerial) control lead or the power supply lead of the antenna (aerial) booster

It is not necessa ry to connect this le ad if there is no power antenna (aerial) or antenna (aerial) booster, or with a manually-operated telescopic antenna (aerial).

To AMP REMOTE IN of an optional power amplier

This connection is only for ampliers and a power antenna (aerial). Connecting any other system may damage the unit.

To a car’s illumination signal

Be sure to rst connect the black ground (earth) lead to a common ground (earth) point.

*1 Not supplied *2 S peaker impedance: 4 – 8 Ω × 4 *3 RC A pin cord (not supplied) *4 De pending on the type of car, use an adaptor for a

wired rem ote control (not su pplied).

Subwoofer Easy Connection

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

Front speaker

Subwoofer

Note

Use a subwoofer with an impedance of 4 to 8 ohms, and with adequate power handling capacities to avoid damage.

Memory hold connection

When the yellow power supply lead is connected, power will always be supp lied to the memory circuit even when the ignition switch is turned o.

Speaker connection

Before connecting the speakers, turn the unit o. Use speakers with an impedance of 4 to 8 ohms, and with adequate power handling capacities to avoid damage.

*5*

from a car antenna (aerial)

*5 Whethe r in use or not, route the microphone input

cord such that it does not interfere with driving operations. Secure the cord with a clamp, etc., if it is installed around your feet.

*6 For details on installing the microphone, see

“Installing the microphone”.

WX-850BT/900BT/900BTM

Ver. 1.1

Installing the microphone

o capture your voice during handsfree calling, you

need to install the microphone .

Notes on ins talling the con nection cable RC-SR1 (not supplied)

Refer to the support sites on the back cover for details, then connect each lead properly to the appropriate leads. Making an improper connection may damage the unit. Depending on the type of car, be sure to insulate the unused leads with electrical tape for safety. Do not connect this cable when the steering wheel remote control is not used. Consulting the dealer or an experienced technician for help is recommended .

When using the wired remote control

1 To enable the wired remote control, set [STR

Clip (not supplied)

CONTROL] in [SET STEERING] to [PRESET].

Installation

(850BT only)

Before installing this unit, remove the screw and box on the back of the unit. Do not use the previous parts you removed when installing the unit.

Cautions

It is extremely dangerous if the cord becomes wound around the steering column or gearstick. Be sure to keep it and other parts from interfering with your driving operations. If airbags or any other shock-absorbing equipment is in your car, contact the store where you purchased this unit, or the car dealer, before installation.

Note

Before attaching the double-sided tape , clean the surface of the dashboard with a dry cloth.

Using the wired remote control

When using the steering wheel remote control

Installation of the connection cable RC-SR1 (not supplied) is required before use.

1 To enable the steering wheel remote control, select

[SET STEERING] [EDIT CUSTOM] to make the regist ration.

When the regis tration completes, the st eering wheel remote control becomes available.

Screw

Box

Mounting the unit in the dashboard

When mounting in a Japanese car, see “Mounting the unit in a Japanese car”.

Mounting the unit with an installation kit (not supplied)

You can use a commercially available double DIN installation kit. Choose a n installation kit with the following panel frame size. Larger than 172 × 97 mm (6 an inner corner radius of less than 0.5 mm (

Note

Be sure to use the supplied screws .

/ 8 × 3 7/ 8 in) (w/h), with

to dashboard/center console

/ 32 in).

Mounting the unit in a Japanese car

You may not be able to install this unit in some makes of Japanese cars. In such a case, consult your Sony dealer.

to dashboard/center console

Bracket

Existing parts sup plied with your car

Bracket

When mounting this unit to the preinstalled brackets of your car, use the supplied screws in the appropriate screw holes, based on your car: T for TOYOTA, M for MITSUBISHI and N for NISSAN.

Note

To prevent malfunction, install only with the supplied screws .

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 such a case, consult your nearest Sony dealer.

Fuse (10 A)

Larger than 97 mm (3

/8 in)

Larger than 172 mm (6 7/ 8 in)

Installation kit (not suppl ied)

WX-850BT/900BT/900BTM

(AEP and UK models)

Connection/Ins tallation

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 o to avoid short circuits. Connect the power supply lead 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

Note on the power supply lead (yellow)

Mounting angle adjustment

Adjust the mounting angle to less than 45°.

Connection

See “Power connection diagram” for details.

*1 Not supplied *2 S peaker impedance: 4 – 8 Ω × 4 *3 R CA pin cord (not supplied) *4 De pending on the type of car, use an adaptor for a

wired rem ote control (not su pplied).

*5 Depending o n the type of car, use an adaptor (not

supplied) if the antenna (aerial) connector does not t.

from a wire d remote contro l (not supplied)*

from a car antenna (aerial)*

*6 Whether in use or not, route the microphone input

cord such that it does not interfere with driving operations. Secu re the cord with a cla mp, etc., if it is installed around your feet.

*7 For details on installing the microphone, see

“Installing the microphone”.

Power amplier*

For details, see “Maki ng connections”.

Subwoofer*

*6 *

Making connections

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

To the car’s speaker connector

Rear speake r (right)

Front speaker (right)

Front speaker (left)

Rear speake r (left)

To the car’s power connector

continuous power

supply

power antenna (aerial) /

power amplier control (REM OUT)

switched illumination

power supply

16 ground (earth) Black

Purple

Purple/black striped

Gray

Gray/black str iped

White

White/black striped

Green

Green/bla ck striped

Yel l o w

Blue/white striped

Orange/white striped

Redswitched power suppl15

Subwoofer Easy Connection

You can use a subwoofer without a power amplier 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 to 8 ohms, 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 o.

Speaker connection

Before connecting the speakers, turn the unit o. Use speakers with an impedance of 4 to 8 ohms, and with adequate power handling capacities to avoid damage.

Power connection diagram

Make sure your car’s auxiliary power conn ector, and match the connecti ons of cords correctly depending on the car.

Auxiliary power connector

Common connection

Red Red

Yellow Yellow

continuous power

supply

Yel lo w

Redswitched power supply15

When the positions of the red and yellow leads are inverted

Red Red

Yellow Yellow

Yellowswitched power supply 12

continuous power

supply

Red

When the car without ACC position

Red

Yel l o w

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.

Red

Yel l o w

WX-850BT/900BT/900BTM

Installing the microphone

To capture your voice during handsfree calling, you need to install the microphone .

Clip (not supplied)

Cautions

It is extremely dangerous if the cord becomes wound around the steering column or gearstick. Be sure to keep it an d other parts from interfe ring with your driving operations. If airbags or any other shock-absorbing equipment is in your car, contact the store where you purchased t his unit, or the car dealer, before installation .

Note

Before attaching the double-sided tape , clean the surface of the dashboard with a dry cloth.

Using the wired remote control

1 To enable the wired remote control, set

[STR CONTROL] in [SET STEERING] to [PRESET].

Installation

Removing the bracket

Before installing the unit, remove the bracket from the unit.

1 Insert both release keys until they

click, and pull down the bracket , then pull up the unit to separate.

Face the hook inwards.

Mounting the unit in the dashboard

When mounting in a Japanese car, see “Mounting the unit in a Japanese car”.

Mounting the unit with the supplied bracket

Before installing, make sure the catches on both sides of the bracket are bent inwards 3.5 mm

(

/ 32 in).

1 Position the bracket inside the

dashboard, then bend the claws outward for a tight t.

Mounting the unit in a Japanese car

You may not be able to install this unit in some makes of Japanese cars. In such a case, consult your Sony dealer.

to dashboard/center console

Bracket

Existing parts supplied with your car

Bracket

When mounting this unit to the preinstalled brackets of your car, use the supplied screws in the appropriate screw holes, based on your car: T for TOYOTA, M for MITSUBISHI and N for NISSAN.

Note

To prevent malfunction, install only with the supplied screws .

Fuse replacement

Fuse (10 A)

Larger than 182 mm (7

Larger than 111 mm

Catch

/ 8 in)

2 Mount the unit onto the bracket .

Note

If the catches are straight or bent outwards, the uni t will not be installed securely and may spri ng out.

/4 in)

+ 43 hidden pages

Sony WX-900BTM, WX-850BT, WX-900BT User Manual

SERVICING NOTES

TABLE OF CONTENTS

GENERAL