Sony DR-BT50 - Stereo Bluetooth Headset, Service Manual, Page: 12 / 20

DR-BT50
12 12
DR-BT50
3-4. SCHEMATIC DIAGRAM
• See page 7, 8 for IC Block Diagrams. • See page 13 for IC Pin Function Description.
0
0
0
2.8
(0)
0.5(0)
0(4)
3.9(4.1)
1.3
(4.1)
3.9
(0)
3.9(0)
0
0
(0)
3.9
(0)
3.9
(0) 2.8
(0)
1.8
1.8(0)
(0) 1.5
1.7(1.9) 1.7(0)
0 0
0
0
0
0
0
0 0
2.8(0) 0.6(0) 0.5(0)
0
2.8
(0)
0 0 0 0
1.8(0) 1.8(0)
0.8(0)
(0)
2
(0) 2
0
2(0) (0)
2.8
2.8
(0)
0
(4.4)
0
(1.6)
(4.1) 3.9
3.9 (4.1)
0 (2.2)
1.8 (0)
0 (0.9)
0
(4.4)
0
(3.2)
0 (1.5)
0
(3.2)
0
(4.4)
0
(0.9)
TP101
TP102
TP103
TP104
TP105
TP107
TP108
D201
R262
R120
R126
C101
C253
C255
C103
C118
C119
ANT101
TP113
TP114
CN201
R102
C256
R253
R252
TP251
TP252
TP253
TP207
TP106
R203
Q102
IC101
IC201
L103
TP258
IC261
TP115
C212
TP110
TP109
TP111
TP112
R251
C123
C261
R101
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
R206
D103
D102
IC151
Q251
R129 R131 R132 R133 R134 R135 R139
R103
TP203
TP261
TP262
TP263
TP264
TP269
TP270
C211
JC131 JC138
JC404 JC407 JC408 JC409
D250
R128
R215
R216
R107
C108
C107
R108
C109
R109
C111
R111
C112
R112
R451
R452
TP451 TP452 TP453
R454
R455
R456
R457
R458
R459
R460
TP461
TP462
JC202
R218
TP211
TP208
TP209
TP210
TP212
TP213
R461
R113
TP473
TP466
R473
TP468
TP469
TAP451
TAP452
TAP453
TAP461
R217
R211
R213
R210
IC251
JC106
R136 R137
TP474
TP467
TP470
TP471 C415
C252
C105
IC401
TAP471
TAP472
IC203
L102
R118
S204
S205
S206
C113
C133
C130
C431
C432
FB424
IC202
IC420
R407
R408
R422
C201
C217
TP204
R212
R214
FB201
FB202
IC451
uPD78F0500FC
SP301
SP302
S101
S208
S209
CN451
VDR201
VDR421
VDR422
C430
R105
R110
R114 R115
C254
CN202
S207
R121
L251
10uH
FB421
FB423
IC204
C450
Q201
C151
JC402
C414
R421
C425
B301
C202
C209
C203 R204
TP205
Q202
R202
R205 R201
C205
C204
L201
10uH
C210
C208 C207
TP206
C215
C214
R151
C152
R152
C104
C106
R125
C120 C121
C122
MIC301
C117
R127
C421
R423
C429
C428
C424
L422
L421
L423
C408
JC403
C405
FB405
C418 C417
C402
C403
JC406
JC401
FB402
C224
C223
C468
R471
C464
C467
C465
C466
R472
R453
R462
R467 R465 C456 C463 C462 C461 C460 C459
C458 C457
R469 R463
R464
R470
R468
R208
R209
J251
TP254
C264
C263
C262
R265
R261
C266
R264
R263
C483
S201
SPI_CSB
SPI_MISO
SPI_CLK
SPI_MOSI
URAT_TX
URAT_CTS
URAT_RTS
RB715W
10k
470
0
0.01
0.1
0.1
0.1
0.047
10V
0.047
10V
MIC
GND
2P
150k
0.5%
68p
56k
0.5%
220k
0.5%
DC 3.0V
GND
DC 4.5V
GND
URAT_RX
100k
RN1704-TE85R
CXN1450
XC9226A186MR
15nH
BQ24010ADRCR
RESET
1
RX
(RED)
RX
(NAT)
RX
(NAT)
RX
(GRN)
0
0.01
0.47
C
220k
0.5%
47k
CL-191S-PB168
CL-191S-PP193
XC6109N16ANR
QS5U17
1k 1k 1k 1k 1k 1k 1k
1k
CON + (RED)
0.1
0 0
0 0 0 0
CRS08-TE85R
1k
1k
1k
220k
0.01
0.01
220k
0.01
220k
0.01
220k
0.01
220k
1k
1k
1k
1k
1k
1k
1k
1k
1k
0 1k
1k
47k
10k
1k
1k
1k
1k
XC9103D093MR
0
1k 1k
6.3V
10uH
100
6.3V
0.01
IC WM8711LGEFL/R
XC6219B282MR
4.7nH
0
0.01
100p
100p
1
1
0
TK63115SCL-G
NCP2809BDMR2G
22k
22k
22k
22
10V
100p
CON -
1k
1k
FBMH1608HM221-T
FBMH1608HM221-T
FFC8P
BBA080-T
BBA080-T
BBA080-T
100p
100
1k
1k 1k
47
10V
FFC8P
150
NP04SB
XC6213B202MR
0.1
RTF015P02TL
0.01
0
0.01
0
100p
0.1
0.01
0.01 470k
POWER_HOLD
2SC4617TL-Q
47k
1k
100k
4.7
10V
0.1
1
0.1
10
6.3V
1.8V
1
1
10k
0.01
100
0.1
0.1
2.2k
15pF
1
0.001
0.5pF
2.2k
1
22k
100p
100p
22
6.3V
0mH
0mH
0mH
0mH
10
6.3V
0
0.01
0
0.1 0.1
1
1
0
0
0
1
1
1
1k
1
1
1
0.01
47k
1k
100k
100k 100k 0.01
0.01 0.01
0.01 0.01 0.01 0.01 0.01
100k 100k
100k
100k
100k
1k
1k
GND
0.1
0.001
1
2.2k
0.5%
10k
0.1
10k
0.5%
330
0.5%
0.1
BATTERY
HP L_P
BATTERY
CHARGE ON/OFF
HP R_P
1.5V
1.8V
2.8V
PIO_07 PIO_06
HP GND
HP GND
1
C4
B2
A5
A2
A3
A5
B3
B2
B1
C4
D1
D2
D3
D3 D1 D2
F3
A3
A2
F3
C1
C1
B3
B1
RECHARGEABLE
BATTERY
(LI-ION)
(3.7V)
+B SWITCH
+B SWITCH
3.9(0)
3.9
(0)
1.8 (0)
POWER
IC201
+1.8 REG
+1.5 REG
IC202
1.8 (0) +2.8 REG
IC203
IC151
RESET
MIC
(RED)
(BLUE)
LED DRIVE
BLUETOOTH CONTROL
MIC AMP, AF AMP,
RECEIVER/TRANSMITTER,
IC101
IC B/D
IC420
POWER AMP
(NAT)
(RED)
R-CH
(RED)
(GRN)
L-CH
IC401
AUDIO DAC
IC204
+2V REG
IC451
SUB CONTROL
MULTI
FUNCTION
DC IN 3V
RESET
SWITCHING
IC B/D
IC251
DC-DC CONVERTOR
IC B/D
IC261
LI-ION BATTERY CHARGER
VOL+
VOL-
JOG SW
>
.
MAIN BOARD
JACK BOARD
SWITCH
BOARD
MIC BOARD