
DR-BT1/BT1K
9
9
DR-BT1/BT1K
3-5. SCHEMATIC DIAGRAM – ADAPTOR BOARD (BT1K only)–
R36
C15
R37
R34
R35
CN3
C2
R52
R2
C42
C44
D2
C3
R6
R24
R23
R22
C32
R53
C6
C7
R51
C31
C10
R18
C9
C36
R16
C8
C48
R26
R9
R8
R14
C4
R15
C5
C18
R20
R7
D4
C17
R11
D3
L1
R12
L7
IC9
R19
R57
C1
R1
D1
J1
CN1
D7
R10
R17
C47
Q8
Q17
Q18
Q5
Q4
Q6
Q3
Q1
D8
IC4
IC2
IC6
Q13
IC3
Q2
Q7
D5
D6
B1
ANT1
IC5
IC1
R3
C43
C45
C30
C29
C16
R33
C28
C46
R54
L8
L12
L9
L3
L4
C26
C51
C52
R5
C11
P1
L10
L11
S1
S5
5.6k
1
22k
22k
22k
0.1
1M
100k
4.7
0.1
RB160M-30
0.1
1
1W
22k
100
220
0.1
22k
0.1
0.1
220k
0.1
0.1
10k
0.1
0.022
100
0.1
4.7
2.2k
4.7k
10k
220k
33p
100k
4.7
0.1
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
CL-191HB1-D-T
(BLUE)
CL-196SYG-CD-T
(GREEN)
ANTENNA
XC9105D095DR
SM6611BBH
22k
4.7
0.1
100
6.3V
220
6.3V
0.1
22k
0.1
0.1
220
0
0
0
0
3.3nH
1.5pF
0.1
0.1
22k
0.1
(PHONE PLUG)
0
0
CHARGE
TEMPERATURE
DETECT
MANAGEMENT
BATTERY
CHARGER
+1.5V REG
BATTERY LEVEL
DETECT
BLUETOOTH CONTROL
MIC AMP,RF AMP,
RECHARGEABLE
BATTERY
+1.2V
LI-ION BATTERY
RECEIVER/TRANSMITTER,
DC IN 4.5V
DC/DC CONVERTER
(NI-MH)
(Page 7)
HEADSET
CONVERTER
DC/DC