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DR-BT1/BT1K

US Model

SERVICE MANUAL

BLUETOOTH EARSET SYSTEM

SPECIFICATIONS

Ver. 1.1  2005.01

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

9-879-223-02

2005A02-1

© 2005.01

General

Bluetooth Compliance:

Bluetooth standard Ver. 1.1

Output power:

Bluetooth standard Power Class2

Frequency band:

2.4GHz band ( 2.4000 GHz – 2.4835
GHz )

Max. Communication range:

Line of sight approx. 10 m

Supplied accessory:

AC power adaptor (1),
Hanger (S) (1), Car attachment (1)
Battery charger (1) (BT1 only)

Bluetooth earset DR-BT1

Supported Bluetooth Profiles:

Headset Profile, Hands-free Profile

Power source:

DC 3.7 V: Built-in Li-ion rechargeable
battery

Typical Talk time:

7 hours

Typical Standby Time:

160 hours

Mass:

Approx. 20 g

Receiver

Type:

Open air, dynamic

Driver unit:

13.5 mm dome type (CCAW Voice
Coil)

Sensitivity:

104 dB/mW

Impedance:

16 

 at 1 kHz

Power handling capacity:

50 mW (IEC)

Reproduction frequency range:

50 – 20,000 Hz

Microphone

Type:

Flexible pipe microphone

Unit:

Electret condenser

Output impedance:

Under 2.2 k

Open circuit voltage level: -42 dB(0 dB = 1 V/Pa)
Effective frequency range: 100 – 5,000 Hz

Bluetooth earset adaptor DRC-BT1 (BT1K only)

Supported Bluetooth Profiles:

Headset Profile

Power source:

DC 1.2 V: Built-in Ni-MH rechargeable
battery

Typical Talk time:

5 hours

Typical Standby Time:

100 hours

Cord:

0.20 m (Max. stretch length 0.7m)

Plug:

2.5 mm tri-pole plug

Mass:

Approx. 35 g (without cord)

Design and specifications are subject to change without notice.

Photo : DR-BT1K

Summary of Contents for DR-BT1

Page 1: ...le battery Typical Talk time 7 hours Typical Standby Time 160 hours Mass Approx 20 g Receiver Type Open air dynamic Driver unit 13 5 mm dome type CCAW Voice Coil Sensitivity 104 dB mW Impedance 16 Ω at 1 kHz Power handling capacity 50 mW IEC Reproduction frequency range 50 20 000 Hz Microphone Type Flexible pipe microphone Unit Electret condenser Output impedance Under 2 2 kΩ Open circuit voltage ...

Page 2: ...d tip is applied for too long so be careful Strong viscosity Unleaded solder is more viscous sticky less prone to flow 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 1 SERVICING NOTES 3 2 GENERAL 3 3 DIAGRAMS 3 1 Block Diagrams 5 3 ...

Page 3: ...toothearset R L 1 2 3 4 5 6 7 8 1 Hanger 2 Multifunction button Controls various functions of the Bluetooth earset 3 LED indicator Indicates the status of the Bluetooth earset 4 VOLUME 5 VOLUME 6 Pipe microphone 7 Housing 8 Contact terminals Bluetoothearset adaptor BT1K only 1 3 4 5 6 2 1 LED indicator Indicates the status of the Bluetooth earset adaptor 2 Power on button 3 Pairing Power off butto...

Page 4: ...parts face side seen from Side A the parts face are indicated Pattern face side Parts on the pattern face side seen from Side B the pattern face are indicated For printed wiring boards Note X parts extracted from the component side Y parts extracted from the conductor side Pattern from the side which enables seeing The other layers patterns are not indicated MOD2 bluetooth module IC7 2 8V REG on H...

Page 5: ... ANT1 ANTENNA 5 MIC_P PIO11 VDD_IO CN1 3 LED DRIVER Q8 11 POWER ON IC5 6 1 2 DC DC CONVERTER B SWITCH Q4 5 Pairing Power off PIO9 PIO1 BATTERY LEVEL DETECT RECHARGEABLE BATTERY NI MH 1 2V B1 28 PIO2 MOD1 RECEIVER TRANSMITTER MIC AMP AF AMP BLUETOOTH CONTROL SPKR_P P1 PHONE MIC_P PHONE SPKR_P PHONE PLUG Q17 18 BUFFER CN3 4 SWITCHING Q6 IC1 3 STAT1 IC6 BATT 9 1 2 7 3 OUT LI ION BATTERY CHARGE MANAGE...

Page 6: ...11 1 864 046 SIDE A HEADSET BOARD CONNECTOR BOARD SIDE A CONNECTOR BOARD SIDE B SIDE B 1 1 2 8 9 15 16 23 24 30 E E 1 3 6 4 1 5 3 4 C23 R43 D9 S3 R50 D11 C24 R47 R49 R48 R38 R42 C33 R41 D10 R46 Q16 R63 MIC1 SP1 SPEAKER C34 L5 L6 C27 IC7 C20 C19 L2 MOD2 C22 R39 R44 C21 ANT2 R55 R45 R40 S2 C25 R56 C38 C40 C35 CN2 Q15 Q14 R64 C53 MULTI FUNCTION B2 RECHARGEABLE BATTERY LI ION 3 7V E VOL S4 VOL ADAPTOR...

Page 7: ...63 L6 C27 4 7 100p 47k 0 01 10k 470 100 47k 15k 22k 22k 0 1 2 2 0 1 0 1 1k 100k 220k 0 1 0 1 220k 100k 0 1 0 1 150k RN1704 TE85R LED DRIVER ANTENNA DTC114EE INVERTER RB715W 4 7 100k 2SC4617 DELAY SWITCH CL 191HB1 D T BLUE CL 196SYG CD T GREEN XC9216A28CDR 0 0 01 1k 33 27P 1 8nH BLUETOOTH CONTROL MIC AMP RF AMP RECEIVER TRANSMITTER 2 8V REG RECHARGEABLE BATTERY LI ION CHARGE TERMINAL ADAPTOR CHARGE...

Page 8: ...6 4 3 4 2 1 1 1 3 6 4 2 4 3 3 4 5 1 1 8 9 15 16 23 24 30 1 1 5 8 4 1 5 10 6 3 6 4 E E E E 1 2 DC 4 5V IN 3 1 4 6 B E B C C E B C C B E C1 R52 R51 S1 C2 R1 IC1 Q5 IC6 Q1 C48 Q13 CN1 Q4 R8 R9 R3 D8 R2 Q3 C16 R37R34 R35 C15 S5 R36 IC2 C10 R18 C47 R16 C9 R23 R17 D6 R22 C5 D5 J1 R19 R57 C46 C36 R26 L11 C8 L10 L9 L8 L12 C3 L1 C30 C32 R53 R6 D2 L7 D1 C43 C28 R24 Q6 C4 R14 R15 D3 D7 R11 R10 R12 D4 C18 R7 ...

Page 9: ... 1 1M 100k MA2Z748 0 1 220k MA2Z748 22k XC9216A24CMR 1k 100 0 01 100k RB051L 40TE25 MA2Z748 150k 100 4 7 RN1704 TE85R LED DRIVER DTA144EE BUFFER DTC114TE BUFFER 2SC4617TL Q B SWITCH 2SB1690KT146 B SWITCH XP151A13A0MR SWITCHING DTA144EE TL CHARGE SWITCH 2SC4617TL Q CHARGE SWITCH CL 196SYG CD T CHARGE XC61CN0902NR SM6781BV BQ24014 UMD12N TR BUFFER S 817A15ANB CUE 2SD1766 CURRENT CONTROL UMH2N SWITCH...

Page 10: ...RD CHARGER BOARD BT1 only Uses unleaded solder SIDE A SIDE B CHERGER BOARD CHERGER BOARD 11 11 1 864 045 11 11 1 864 045 4 1 1 3 1 4 6 5 10 6 DC 4 5V IN E B C C B E IC6 Q13 C16 R35 C15 R36 R34 R37 J1 D1 CN3 HEADSET Page 6 2 3 4 5 6 7 8 9 A 1 B C D E F G ...

Page 11: ...K 11 3 7 SCHEMATIC DIAGRAM CHARGER BOARD BT1 only CN3 R37 R36 C15 D1 R34 R35 IC6 Q13 C16 J1 22k 5 6k 1 RB051L 40TE25 22k 22k BQ24014 UMD12N TR BUFFER 0 1 CHARGE MANAGEMENT LI ION BATTERY DC IN 4 5V Page 7 HEADSET ...

Page 12: ...C1 1 2 5 7 20 8 15 16 18 19 14 17 1 2 177 362 01 BUTTON B 2 2 177 360 01 COVER CABINET 3 2 177 363 01 PLATE LIGHT GUIDE 4 2 177 361 01 BUTTON A 5 2 177 358 01 CABINET UPPER 6 A 1072 238 A HEADSET BOARD COMPLETE 7 1 756 502 21 BATTERY LITHIUM ION STORAGE 8 2 177 364 01 HOLDER BATTERY 9 X 2024 415 1 PIPE MIC ASSY 10 2 179 697 01 STOPPER PIPE MIC 11 A 1088 258 A CONNECTOR BOARD COMPLETE 12 3 254 014 ...

Page 13: ... 373 01 HOLDER PIPE MIC 52 2 177 371 01 CABINET UPPER 53 2 177 400 01 PLATE LIGHT GUIDE 54 2 177 399 01 BUTTON 55 A 1072 243 A ADAPTOR BOARD COMPLETE 56 3 254 083 11 SCREW 57 2 189 405 01 BATTERY PAD 58 1 756 499 21 BATTERY NICKEL HYDROGEN 59 2 342 355 01 SHEET BATTERY 60 2 177 372 01 CABINET LOWER 61 2 177 401 01 BUSHING 62 X 2024 413 1 BUSHING ASSY 63 2 349 986 01 SHEET ...

Page 14: ...marks Ref No Part No Description Remarks 4 3 CHARGER SECTION BT1 101 102 103 104 105 104 101 2 177 373 01 HOLDER PIPE MIC 102 2 177 371 11 CABINET UPPER 103 A 1072 244 A CHARGER BOARD COMPLETE 104 3 254 083 11 SCREW 105 2 177 372 11 CABINET LOWER ...

Page 15: ...7 11 CERAMIC CHIP 0 1uF 10 10V C29 1 128 829 91 TANTAL CHIP 220uF 20 6 3V C30 1 128 964 91 TANTAL CHIP 100uF 20 6 3V C31 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C32 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C36 1 107 819 11 CERAMIC CHIP 0 022uF 10 16V C42 1 100 507 91 CERAMIC CHIP 4 7uF 20 6 3V C43 1 100 507 91 CERAMIC CHIP 4 7uF 20 6 3V C44 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C45 1 125 777 11 CERA...

Page 16: ...H S1 1 786 293 21 SWITCH TACTILE POWER ON S5 1 786 293 21 SWITCH TACTILE PAIRING POWER OFF A 1072 244 A CHARGER BOARD COMPLETE BT1 CAPACITOR C15 1 100 506 91 CERAMIC CHIP 1uF 20 6 3V C16 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V CONNECTOR CN3 1 818 738 11 CONNECTOR CHARGE USE DIODE D1 8 719 066 98 DIODE RB051L 40TE25 IC IC6 6 706 809 01 IC BQ24014DRCR JACK J1 1 750 849 21 JACK EXTERNAL POWER DC IN 4 ...

Page 17: ...8 969 11 RES CHIP 22K 5 1 16W R47 1 218 967 11 RES CHIP 15K 5 1 16W R48 1 218 973 11 RES CHIP 47K 5 1 16W R49 1 218 949 11 RES CHIP 470 5 1 16W R50 1 218 941 81 RES CHIP 100 5 1 16W R55 1 218 965 11 RES CHIP 10K 5 1 16W R56 1 218 973 11 RES CHIP 47K 5 1 16W R63 1 218 935 11 RES CHIP 33 5 1 16W SWITCH S2 1 786 293 21 SWITCH TACTILE MULTI FUNCTION S3 1 786 015 21 SWITCH TACTILE VOL S4 1 786 015 21 S...

Page 18: ... to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2004 10 New 1 1 2005 01 Addition of hook L hook S and spacer for accessories SPM 04164 ...

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