Sony WX-GT90BT Service Manual

SERVICE MANUAL
Sony Corporation
Published by Sony Techno Create Corporation
SPECIFICATIONS
9-893-631-01
2012L33-1
©
2012.12
US Model
Canadian Model
AEP Model
UK Model
E Model
WX-GT90BT
Russian Model
WX-GT90BTE
Indian Model
WX-GT99BT
Ver. 1.0 2012.12
Model Name Using Similar Mechanism
MEX-BT4100U/
WX-GT80UE/GT80UI/GT88UI
Mechanism Type MG-101CA-188
Optical Pick-up Name DAX-25A
• The tuner and CD sections have no adjustments.
Photo: WX-GT90BT
WX-GT90BT/GT90BTE/
GT99BT
AUDIO SYSTEM
(US and Canadian models)
Tuner section
FM
Tuning range: 87.5 – 107.9 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,115 kHz or 9,125 kHz/5 kHz
Sensitivity: 26 μV
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and utter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 1 A
Wireless Communication
Communication System:
Bluetooth Standard version 2.1 + EDR
Output:
Bluetooth Standard Power Class 2
(Max. +4 dBm)
Maximum communication range:
Line of sight approx. 10 m (33 )*
1
HFP (Handsfree Prole) 1.5
PBAP (Phone Book Access Prole)
SPP (Serial Port Prole)
*1 e 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,
soware 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: 52 W × 4 (at 4 ohms)
General
Outputs:
Audio outputs terminal (front, rear, sub)
Power antenna (aerial)/Power amplier control
te
rminal (REM OUT)
Inputs:
SiriusXM input terminal
(US and Canadian models only)
Remote controller input terminal
Antenna (aerial) input terminal
MIC input terminal
AUX input jack (stereo mini jack)
USB port
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178 × 100 × 178 mm
(7
1
/8 × 4 × 7
1
/8 in) (w/h/d)
Mounting dimensions: Approx. 182 × 111 × 159
mm (7
1
/4 × 4
3
/8 × 6
3
/8 in) (w/h/d)
Mass: Approx. 1.4 kg (3 lb 2 oz)
Supplied accessories:
Remote commander: RM-X231
Microphone
Parts f
or installation and connections (1 set)
FOR UNITED STATES CUSTOMERS. NOT
APPLICABLE IN CANADA, INCLUDING
(US and Canadian models only)
IN THE PROVINCE OF QUEBEC.
POUR LES CONSOMMATEURS AUX
ÉTATS-UNIS. NON APPLICABLE AU
CANADA, Y COMPRIS LA PROVINCE DE
QUÉBEC.
CEA2006 Standard
Power Output: 17 Watts RMS 4 at
4 Ohms < 1% THD+N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
AUDIO POWER SPECIFICATIONS
(US and Canadian models only)
Design and specications are subject to change
without notice.
Tuner section
(AEP and UK models)
FM
Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
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 (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124.5 kHz or
9,115.5 kHz/4.5 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Tuner section (Russian model)
FM
Tuning range:
FM1/FM2: 87.5 – 108.0 MHz (at 50 kHz step)
FM3: 65 – 74 MHz (at 30 kHz step)
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
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 (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9
,124.5 kHz or 9,115.5 kHz/4.5 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Tuner section (E and Indian models)
FM
Tuning range:
87.5 – 108.0 MHz (at 50 kHz 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: 25 kHz
Usable sensitivity: 8 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 80 dB (stereo)
Separation: 50 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning step: 9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,124.5 kHz or 9,115.5 kHz/4.5 kHz
(at 9 kHz step)
9,115 kHz or 9,125 kHz/5 kHz
(at 10 kHz step)
Sensitivity: 26 μV
Frequency band:
2.4 GHz band (2.4000 – 2.4835 GHz)
Modulation method: FHSS
Compatible Bluetooth Proles*
2
:
A2DP (Advanced Audio Distribution Prole)
1.2
AVRCP (Audio Video Remote Control Prole)
1.3

Sony WX-GT90BT Specifications

General

AUX in	Yes
Bluetooth version	2.1+EDR
Bluetooth profiles	A2DP
Impedance	220 Ω
Clock mode	12h
Product color	Black
Signal-to-Noise Ratio (SNR)	120 dB
USB direct playback	-
AM band range	530 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Preset stations quantity	30
Display type	LCD

Weight and Dimensions

Weight	1400 g
Dimensions (WxDxH)	178 x 178 x 100 mm