Sony MEX-BT39UW Service Manual
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Sony MEX-BT39UW Service Manual

Bluetooth audio system
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SERVICE MANUAL
Ver. 1.0 2010.11
FOR UNITED STATES CUSTOMERS. NOT
APPLICABLE IN CANADA, INCLUDING
IN THE PROVINCE OF QUEBEC.
POUR LES CONSOMMATEURS AUX
ÉTATS-UNIS. NON APPLICABLE AU
CANADA, Y COMPRIS LA PROVINCE DE
QUÉBEC.
AUDIO POWER SPECIFICATIONS
(BT39UW/BT3900U: US and
Canadian models only)
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
(BT39UW/BT3900U: US and
Canadian models)
FM
Tuning range: 87.5 – 107.9 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range: 530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
9-893-036-01
Sony Corporation
2010K05-1
©
2010.11
Published by Sony Techno Create Corporation
Photo: MEX-BT3900U
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Tuner section
(BT3900U: AEP, Russian and
UK models)
FM
Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
MW/LW
Tuning range:
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: MW: 26 μV, LW: 45 μV
Tuner section
(BT3950U: E and Mexican 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: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range:
531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning step: 9 kHz/10 kHz switchable
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
MEX-BT39UW/BT3900U/
Tuner section
(BT3950U: Saudi Arabia model)
FM
Tuning range: 87.5 – 108.0 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 150 kHz
Usable sensitivity: 10 dBf
Selectivity: 75 dB at 400 kHz
Signal-to-noise ratio: 70 dB (mono)
Separation: 40 dB at 1 kHz
Frequency response: 20 – 15,000 Hz
AM
Tuning range: 531 – 1,602 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency: 25 kHz
Sensitivity: 26 μV
CD Player section
Signal-to-noise ratio: 120 dB
Frequency response: 10 – 20,000 Hz
Wow and flutter: Below measurable limit
USB Player section
Interface: USB (Full-speed)
Maximum current: 500 mA
Wireless Communication
Communication System:
Bluetooth Standard version 2.1 + EDR
Output:
Bluetooth Standard Power Class 2 (Max. +4 dBm)
Maximum communication range:
1
Line of sight approx. 10 m (33 ft)*
Frequency band:
2.4 GHz band (2.4000 – 2.4835 GHz)
Modulation method: FHSS
Compatible Bluetooth Profiles*
2
:
A2DP (Advanced Audio Distribution Profile) 1.2
AVRCP (Audio Video Remote Control Profile) 1.3
HFP (Handsfree Profile) 1.5
PBAP (Phone Book Access Profile)
OPP (Object Push Profile)
*1 The actual range will vary depending on factors
such as obstacles between devices, magnetic
fields around a microwave oven, static electricity,
reception sensitivity, antenna's performance,
operating system, software application, etc.
*2 Bluetooth standard profiles indicate the purpose of
Bluetooth communication between devices.
BT3950U
US Model
MEX-BT39UW/BT3900U
Canadian Model
AEP Model
UK Model
MEX-BT3900U
E Model
MEX-BT3950U
CDX-GT55UIW/GT550UI/GT600UI
MG-101P-188//Q
DAX-25A
Power amplifier 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)
(BT39UW/BT3900U: US and Canadian models/
BT3950U)
Audio outputs terminal (front, rear/sub switchable)
(BT3900U: AEP, Russian and UK models)
Subwoofer output terminal (mono)
(BT39UW/BT3900U: US and Canadian models/
BT3950U)
Power antenna (aerial) relay control terminal
Power amplifier control terminal
Inputs:
BUS control input terminal
(BT39UW/BT3900U: US and Canadian models)
BUS audio input terminal
(BT39UW/BT3900U: US and Canadian models)
Telephone ATT control terminal
Remote controller input terminal
Antenna (aerial) input terminal
MIC input terminal
AUX input jack (stereo mini jack)
USB signal input connector
Power requirements: 12 V DC car battery
(negative ground (earth))
Dimensions: Approx. 178 × 50 × 179 mm
1
× 2 × 7
1
(7
/
/
in) (w/h/d)
8
8
Mounting dimensions: Approx. 182 × 53 × 162 mm
1
× 2
1
× 6
1
(7
/
/
/
in) (w/h/d)
4
8
2
Mass: Approx. 1.2 kg (2 lb 11 oz)
Supplied accessories:
Card remote commander: RM-X172
(BT39UW/BT3900U: US and Canadian models)
Card remote commander: RM-X174
(BT3900U: AEP, Russian and UK models)
Card remote commander: RM-X176 (BT3950U)
Parts for installation and connections (1 set)
Design and specifications are subject to change
without notice.
AUDIO SYSTEM

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  • Page 1 Sensitivity: 26 μV reception sensitivity, antenna’s performance, operating system, software application, etc. *2 Bluetooth standard profiles indicate the purpose of Bluetooth communication between devices. AUDIO SYSTEM 9-893-036-01 Sony Corporation 2010K05-1 © 2010.11 Published by Sony Techno Create Corporation...
  • Page 2 Do not touch the soldering iron on the same conductor of the TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE circuit board (within 3 times). PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- • Be careful not to apply force on the conductor when soldering NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS...

  • Page 3: Table Of Contents

    MEX-BT39UW/BT3900U/BT3950U SECTION 1 SERVICING NOTES TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT SERVICING NOTES ..........The laser diode in the optical pick-up block may suffer electro- static break-down because of the potential difference generated by GENERAL ..............
  • Page 4 MEX-BT39UW/BT3900U/BT3950U UNLEADED SOLDER NOTE FOR REPLACEMENT OF THE BT BOARD Boards requiring use of unleaded solder are printed with the lead- When repairing, the complete BT board should be replaced since free mark (LF) indicating the solder contains no lead.
  • Page 5 MEX-BT39UW/BT3900U/BT3950U NOTE FOR REPLACEMENT OF THE USB CONNECTOR MODEL IDENTIFICATION (CN902) AND THE AUX JACK (J901) – Bottom View – To replace the USB connector and the AUX jack requires align- ment. 1. Insert the USB connector and the AUX jack into the front pan- 2.
  • Page 6 Even if there is no track information on display during playback Tester of an AVRCP1.3 device, it is not a failure of MEX-BT39UW/ BT3900U/BT3950U. 5. Precautions 1. Connect the Bluetooth audio device (or cellular phone with Beware of the following points when conducting the Bluetooth audio function) with this set, and confi...

  • Page 7: General

    MEX-BT39UW/BT3900U/BT3950U SECTION 2 This section is extracted GENERAL from instruction manual. (BT39UW/BT3900U: US and Canadian models) FRONT Satellite radio tuner AUDIO OUT (XM/SIRIUS) Syntoniseur radio satellite (XM/SIRIUS) FRONT SUB OUT (MONO) BUS AUDIO IN RCA pin cord (not supplied). REAR AUDIO OUT Separate adaptor may be required.
  • Page 8 You may not be able to install this unit in some makes of une voiture japonaise terminés, retirez la façade et appuyez sur la touche Japanese cars. In such a case, consult your Sony dealer. RESET à l’aide d’un stylo à bille ou d’un autre objet Note pointu.
  • Page 9 MEX-BT39UW/BT3900U/BT3950U (BT3900U: AEP, Russian and UK models) Speaker impedance: 4 – 8 ohms × 4 Lautsprecherimpedanz: 4 – 8 Ohm × 4 Impédance des haut-parleurs : 4 – 8 ohms × 4 Impedenza diffusori: 4 – 8 ohm × 4 Luidsprekerimpedantie: 4 –...
  • Page 10 MEX-BT39UW/BT3900U/BT3950U Power connection diagram Diagramma dei collegamenti di alimentazione Auxiliary power connector may vary depending on the Face the hook inwards. car. Check your car’s auxiliary power connector diagram Il connettore di alimentazione ausiliaria può variare a to make sure the connections match correctly. There are Der Haken muss nach innen seconda della macchina.
  • Page 11 MEX-BT39UW/BT3900U/BT3950U (BT3950U) Speaker impedance: 4 – 8 ohms × 4 Impedancia de los altavoces: RCA pin cord (not supplied). de 4 a 8 Ω × 4 Separate adaptor may be required. Cable con terminales RCA (no suministrado). Puede requerirse un adaptador independiente.
  • Page 12 You may not be able to install this unit in some makes of automóvil japonés desmonte el panel frontal y presione el botón RESET con Japanese cars. In such a case, consult your Sony dealer. un bolígrafo o un objeto similar. Note...

  • Page 13: Disassembly

    MEX-BT39UW/BT3900U/BT3950U SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW FRONT PANEL SECTION Note: Illustration of disassembly is omitted. 3-2. COVER (Page 13) 3-3. CD MECHANISM DECK (MG-101P-188//Q) (Page 14) 3-4. ANTENNA BOARD 3-6.

  • Page 14: Cd Mechanism Deck (Mg-101P-188//Q)

    MEX-BT39UW/BT3900U/BT3950U 3-3. CD MECHANISM DECK (MG-101P-188//Q) 8 CD mechanism deck 6 two screws (MG-101P-188//Q) (PTT2.6 2 connector (CN401) 7 bracket (CD) 5 flexible flat cable (13 core) (CN10) 1 screw (PTT2.6 1 screw 1 two screws (PTT2.6 (PTT2.6 4 connector (CN402) 3-4.

  • Page 15: Main Board (With Bt Board)

    MEX-BT39UW/BT3900U/BT3950U 3-5. MAIN BOARD (WITH BT BOARD) 1 fuse (blade type) (auto fuse) 5 connection cord for automobile (10A/32V) (FU601) 6 screw (BT39UW/BT3900U: US, CND)/ (PTT2.6 connection (MIC) cord (BT3900U: AEP, RU, UK/BT3950U) 7 three ground point screws (PTT2.6 4 screw (PTT2.6...

  • Page 16: Chassis (T) Sub Assy

    MEX-BT39UW/BT3900U/BT3950U 3-7. CHASSIS (T) SUB ASSY two screws (M 1.7 × 2.5) two screws (M 1.7 × 2.5) chassis (T) sub assy claw 3-8. ROLLER ARM ASSY 5 roller arm assy 4 gear (RA1) 1 spring (RAL) 3 washer 2 spring (RAR)

  • Page 17: Chassis (Op) Assy

    MEX-BT39UW/BT3900U/BT3950U 3-9. CHASSIS (OP) ASSY 8 chassis (OP) assy 1 tension spring (KF) 6 two coil springs (damper) (natural) 7 coil spring (damper) (green) 4 slider (R) 3 lever (D) 2 gear (LE1) 3-10. CHUCKING ARM SUB ASSY 3 chucking arm sub assy 1 spring Note 1: Have this portion receive the chassis.

  • Page 18: Sled Motor Assy

    MEX-BT39UW/BT3900U/BT3950U 3-11. SLED MOTOR ASSY 2 three serration screws (M 2 3 sled motor assy 1 spring turn table spring stand Note 2: Never remove these parts since they were adjusted. bearing (F) – – stand Note 1: Place the stand with care not to touch the turn table.

  • Page 19: Optical Pick-Up Section

    MEX-BT39UW/BT3900U/BT3950U SECTION 4 TEST MODE 3-12. OPTICAL PICK-UP SECTION SETTING THE TEST MODE Setting method: 1. Press the [SOURCE/OFF] button for 1 second to turn the pow- er off. 2 optical pick-up section 2. Press the [4] → [5] → [1] buttons sequentially (the [1] button is pressed for two seconds).

  • Page 20: Diagrams

    MEX-BT39UW/BT3900U/BT3950U SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM - AUDIO Section (1/2) - CD MECHANISM DECK (MG-101P-188//Q) SERVO BOARD AU_FL_CH FL_CH OPTICAL PICK-UP BLOCK AU_FR_CH R-CH (DAX-25A) AU_RL_CH RL_CH AU_RR_CH R-CH AU_SUB_CH SUB_CH AU_IN_LCH IN_LCH SWITCH BOARD AU_IN_RCH R-CH (Page 21)

  • Page 21: Block Diagram - Audio Section (2/2)

    MEX-BT39UW/BT3900U/BT3950U 5-2. BLOCK DIAGRAM - AUDIO Section (2/2) - R-CH BT39UW/ ELECTRONIC VOLUME BT3900U: BT3900U: US, Canadian/ IC401 AEP, Russian, UK BT3950U MUTE MUTE MUTE FL_CH AU_IN_FL Q406 Q404 Q402 J402 J403 (2/3) R-CH AU_IN_FR AU_IN_RL RL_CH AU_OUT_FL 36 FRONT...

  • Page 22: Block Diagram - Panel, Power Supply Section

    PANEL+B PANEL+B VP2 6 AUDIO+8.5V AUDIO+B XSYS_RST BU_CHECK (Page 20) USB VBUS POWER SUPPLY (BT39UW/BT3900U: US, Canadian) IC601 CN801 SONY BUS INTERFACE BUS CONTROL IN IC801 VBUS HSDSW VIN 2 HSDSW DATA_I/O BU_CHECK 10 BUIN SYNC_OUT 26 SYN/EN DATA_IN 9...
  • Page 23 MEX-BT39UW/BT3900U/BT3950U THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Circuit Boards Location (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. SERVO board Note: Note: SWITCH board •...

  • Page 24: Printed Wiring Boards - Main Section

    MEX-BT39UW/BT3900U/BT3950U 5-4. PRINTED WIRING BOARDS - MAIN Section - • See page 23 for Circuit Boards Location. • : Uses unleaded solder. (BT3900U: AEP, RU, UK) J402 (BT3900U: AEP, RU, UK) REAR/SUB FRONT AUDIO OUT AUDIO OUT RL– GRN/BLK (BT39UW/BT3900U: US, CND) FL–...

  • Page 25: Schematic Diagram - Main Section (1/3)

    MEX-BT39UW/BT3900U/BT3950U 5-5. SCHEMATIC DIAGRAM - MAIN Section (1/3) - • See page 30 for IC Block Diagrams. (BT3900U: AEP, RU, UK) MAIN BOARD (1/3) IC301 IC B/D IC301 TDF8556AJ/N3 (EXCEPT BT3900U: AEP, UK) TDF8556AJ/N3/M5 (BT3900U: AEP, UK) I2C BUS CONTROLLED...

  • Page 26: Schematic Diagram - Main Section (2/3)

    MEX-BT39UW/BT3900U/BT3950U 5-6. SCHEMATIC DIAGRAM - MAIN Section (2/3) - • See page 23 for Waveforms. • See page 30 for IC Block Diagrams. • See page 33 for IC Pin Function Description. (Page 25) MAIN BOARD (1/3) MAIN BOARD (2/3)

  • Page 27: Schematic Diagram - Main Section (3/3)

    MEX-BT39UW/BT3900U/BT3950U 5-7. SCHEMATIC DIAGRAM - MAIN Section (3/3) - • See page 23 for Waveforms. • See page 30 for IC Block Diagrams. MAIN BOARD (3/3) (EXCEPT BT3900U: AEP, RU, UK) (BT3900U: AEP, RU, UK) R425 J402 R412 0 C426...

  • Page 28: Printed Wiring Board - Key Board

    MEX-BT39UW/BT3900U/BT3950U 5-8. PRINTED WIRING BOARD - KEY Board - • See page 23 for Circuit Boards Location. • : Uses unleaded solder. LED902,903, S901 LED906, 907, 931, 932, 935, 936 (ILLUMINATOR) LSW905 – 912 S901 – 907 LED914, 915, LED901-926, 928,...

  • Page 29: Schematic Diagram - Key Board

    MEX-BT39UW/BT3900U/BT3950U 5-9. SCHEMATIC DIAGRAM - KEY Board - • See page 30 for IC Block Diagrams. KEY BOARD R940 R906 R986 IC902 IC902 FB902 PNA4813M01S0 REMOTE CONTROL FB901 SIGNAL RECEIVER J901 LED913 LED912 LSW905 CL-197HB1E-D-T SML-D12V8WT86SN SCRL R905 SEEK– SEEK–...
  • Page 30 MEX-BT39UW/BT3900U/BT3950U • IC Block Diagrams IC301 TDF8556AJ/N3 (Except BT3900U: AEP and UK models) IC301 TDF8556AJ/N3/M5 (BT3900U: AEP and UK models) – MAIN Board – IC001 TEF6617T/V1/S470, 518 (Except BT3900U: AEP and UK models) IC001 TEF6617T/V1/S470/M5, 518 (BT3900U: AEP and UK models) I2C_SIO OUT-FL–...
  • Page 31 MEX-BT39UW/BT3900U/BT3950U IC401 BD3467FV-E2 FADER FADER BOOST AU_OUT_SL FADER FADER BUS_LCH 1 BOOST AU_OUT_SR BUS_RCH 2 FADER FADER TU_LCH 3 AU_OUT_RL BOOST TU_RCH 4 FADER FADER AU_OUT_RR BOOST AUX_LCH 5 FADER FADER AUX_GND 6 AU_OUT_FL BOOST AUX_RCH 7 FADER FADER AU_OUT_FR...
  • Page 32 MEX-BT39UW/BT3900U/BT3950U IC601 BD9070FP-E2 PVIN PVIN N.C. – N.C. VREGB 1 – – VIN 2 LOGIC N.C. 3 SLOPE – N.C. 4 PGND 5 UVLO, TSD, SOFT GND 6 OVP, OCP, SCP START – RT 7 SYNC VREF EN 8 VREG...
  • Page 33 UNISO SONY bus data output to bus interface (BT39UW/BT3900U: US and Canadian models) UNISI SONY bus data input from the bus interface (BT39UW/BT3900U: US and Canadian models) SONY bus clock signal output to the bus interface UNISCK (BT39UW/BT3900U: US and Canadian models)
  • Page 34 MEX-BT39UW/BT3900U/BT3950U Pin No. Pin Name Description DIAG Diagnostic signal input from the power amplifi er AMPSTB Standby control signal output to the power amplifi er Cyrillic letter response setting terminal “H”: corresponds to Cyrillic letter CYRIL_SEL Fixed at “L” in this set VCC2 ―...

  • Page 35: Exploded Views

    MEX-BT39UW/BT3900U/BT3950U SECTION 6 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • Color Indication of Appearance Parts Ex- The components identifi ed by mark 0 they may have some difference from the ample: or dotted line with mark 0 are critical for original one.

  • Page 36: Front Panel Section

    MEX-BT39UW/BT3900U/BT3950U 6-2. FRONT PANEL SECTION (BT39UW/BT3900U: US, CND) (BT3900U: AEP, RU, UK/BT3950U) not supplied (for FRONT PANEL) not supplied (KEY board) RE909 not supplied IC902 LCD901 CN902 J901 not supplied not supplied not supplied not supplied not supplied Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)”...

  • Page 37: Cd Mechanism Section (Mg-101P-188//Q)

    MEX-BT39UW/BT3900U/BT3950U 6-3. CD MECHANISM SECTION (MG-101P-188//Q) not supplied not supplied not supplied not supplied not supplied not supplied SWITCH board not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 38: Electrical Parts List

    MEX-BT39UW/BT3900U/BT3950U SECTION 7 ANTENNA ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • RESISTORS When indicating parts by reference num- the parts list may be different from the All resistors are in ohms. ber, please include the board name.
  • Page 39 MEX-BT39UW/BT3900U/BT3950U Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > R946 1-216-802-11 METAL CHIP 1/10W R948 1-216-823-11 METAL CHIP 1.5K 1/10W LSW905 1-798-333-11 TACTILE SWITCH (WITH LED) ( SCRL, DSPL) R949 1-216-812-11 METAL CHIP...
  • Page 40 MEX-BT39UW/BT3900U/BT3950U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark VDR908 1-804-988-21 VARISTOR, CHIP (1608) C313 1-126-947-11 ELECT 47uF ************************************************************ C315 1-125-889-11 CERAMIC CHIP 2.2uF C316 1-165-908-11 CERAMIC CHIP 1uF A-1795-292-B MAIN BOARD, COMPLETE (BT3900U: AEP, UK)
  • Page 41 MEX-BT39UW/BT3900U/BT3950U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C442 1-162-964-11 CERAMIC CHIP 0.001uF D107 6-503-205-01 DIODE RKZ6.8B2KGP1 C443 1-165-908-11 CERAMIC CHIP 1uF D108 6-503-205-01 DIODE RKZ6.8B2KGP1 C444 1-165-908-11 CERAMIC CHIP 1uF D109 6-503-213-01 DIODE RKZ18B2KGP1...
  • Page 42 MEX-BT39UW/BT3900U/BT3950U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB401 1-216-295-00 SHORT CHIP JC267 1-216-296-11 SHORT CHIP FB402 1-400-334-21 FERRITE, EMI (SMD) (1608) JC268 1-216-295-00 SHORT CHIP FB403 1-400-334-21 FERRITE, EMI (SMD) (1608) FB408 1-500-329-21...
  • Page 43 MEX-BT39UW/BT3900U/BT3950U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q407 8-729-038-30 TRANSISTOR RT1P141M-TP-1 R404 1-216-813-11 METAL CHIP 1/10W Q409 6-552-430-01 TRANSISTOR DRC5114E0L R405 1-216-833-11 METAL CHIP 1/10W Q802 6-552-430-01 TRANSISTOR DRC5114E0L Q807 6-552-444-01 TRANSISTOR DRC5144E0L...
  • Page 44 MEX-BT39UW/BT3900U/BT3950U MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R519 1-216-845-11 METAL CHIP 100K 1/10W R584 1-216-845-11 METAL CHIP 100K 1/10W R521 1-216-825-11 METAL CHIP 2.2K 1/10W R585 1-216-821-11 METAL CHIP 1/10W R522 1-216-825-11 METAL CHIP 2.2K...
  • Page 45 MEX-BT39UW/BT3900U/BT3950U MAIN SWITCH SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R862 1-216-849-11 METAL CHIP 220K 1/10W RE901 1-479-902-41 ENCODER, ROTARY (PUSH SELECT/SEL/ ) (BT3900U: AEP, RU, UK/BT3950U) ************************************************************* R865 1-216-864-11 SHORT CHIP R866 1-216-821-11...
  • Page 46 MEX-BT39UW/BT3900U/BT3950U Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** X-2548-065-1 FRAME ASSY, FITTING 3-876-675-01 KEY (FRAME) 4-183-280-02 COLLAR 1-831-838-11 CORD (WITH CONNECTOR) (ISO) (POWER) (BT3900U: AEP, RU, UK) KEY (FRAME) FITTING FRAME ASSY 1-833-974-21 CONNECTION CORD FOR AUTOMOBILE...
  • Page 47 MEX-BT39UW/BT3900U/BT3950U MEMO...
  • Page 48 MEX-BT39UW/BT3900U/BT3950U REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2010.11...

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