![background image](http://html.mh-extra.com/html/sony/dr-bt1/dr-bt1_service-manual_406693007.webp)
DR-BT1/BT1K
7
7
DR-BT1/BT1K
3-3. SCHEMATIC DIAGRAM – HEADSET BOARD –
C20
C40
R56
C38
CN2
R55
R49
R50
R48
R47
R46
R45
C33
C25
C24
C23
R43
MIC1
R41
R42
C21
C22
R39
R38
S4
S3
C34
C35
R40
Q16
ANT2
Q14
B2
S2
D9
C19
R44
Q15
D10
D11
IC7
L5
L2
C53
R64
R63
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
CHARGER
BT1
BT1K
+3.7V
(Page 9)
(Page 11)
SP1
SPEAKER