Sony MEX-BT3900U Manual de servicio - Página 27

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Sony MEX-BT3900U Manual de servicio
5-7.

SCHEMATIC DIAGRAM - MAIN Section (3/3) -

1
2
3
MAIN BOARD (3/3)
A
11
12
13
14
15
MAIN
2
BOARD
(1/3)
B
(Page 25)
16
17
C
CN402
13P
AU_RR_CH
13
AU_FR_CH
12
AU_GND
11
AU_GND
10
AU_FL_CH
9
AU_RL_CH
8
SERVO
BOARD
AU_GND
7
(1/2)
AU-SUB_CH
6
D
AU_GND
5
AU_IN_LCH
4
AU_GND
3
AU_IN_RCH
2
AU_GND
1
E
18
19
F
MAIN
3
BOARD
(2/3)
(Page 26)
20
21
BUS7
G
ANTENNA
22
BUS5
BOARD
BUS8
(PATTERN ANTENNA)
CN1
LBAT54ALT1G
H
MIC201
BT
BOARD
BT200
I
10
DGND
MUTE
1
RCH_P
11
RCH_P
UART_TX
2
RCH_N
12
RCH_N
UART_RX
3
LCH_N
13
LCH_N
UART_RTS
4
LCH_P
14
LCH_P
UART_CTS
5
15
AU_GND
RESET
6
16
MIC+_IN
MODULE_PON
7
17
MIC–_IN
DGND
8
18
MIC_OUT
3.3
9
J
MEX-BT39UW/BT3900U/BT3950U
• See page 23 for Waveforms. • See page 30 for IC Block Diagrams.
4
5
6
Q401
Q402
Q403
Q404
Q405
RTAN140M-T111-1
RTAN140M-T111-1
RTAN140M-T111-1
RTAN140M-T111-1
RTAN140M-T111-1
MUTE
MUTE
MUTE
MUTE
MUTE
0
0
0
0
0
0
0
0
0
0
R409
10k
R422
10k
R424
10k
R411
10k
R405
10k
C405
0
L405
0
JW319
2.2uH
L402
C415
220
16V
0
C414
0.1
BT_MIC_DET
C204
Q201, 202
0.1
B+ SWITCH
D204
Q201
DRA5114E0L
3.3
0
Q202
DRA5114E0L
BT_RESET
3.3
0
3.3
3.3
R200
1k
BT_MUTE
BT_RX
IC201
BT_TX
FB201
0
BT_CTS
MIC INPUT SELECT
BT_RTS
IC201
NLASB3157DFT2G
BT_POWER
0
IN
NO
0
6
1
VDD
3.3
5
GND
2
0
3.3
C200
C202
4
3
10
0.1
COM
NC
16V
7
8
9
10
(EXCEPT BT3900U: AEP, RU, UK)
R425
0
R412 0
Q406
RTAN140M-T111-1
MUTE
0
(BT3900U: AEP, RU, UK)
IC401
IC B/D
0
IC401
BD3467FV-E2
ELECTRONIC VOLUME
(BT39UW/BT3900U: US, CND)
C410
10
50V
R403 10k
R402
220
C429
1
3.9
3.6
AU_OUT_SL
40
1
BUS_LCH
3.9
3.6
C427
1
AU_OUT_SR
39
2
BUS_RCH
R404
220
C422
10
50V
C443
1
3.9
3.6
FB402
AU_OUT_RL
38
3
TU_LCH
R410
220
C420
10
50V
FB403
C444
1
3.9
3.6
AU_OUT_RR
37
4
TU_RCH
R423
220
C425
10
50V
3.9
3.2
C436
1
AU_OUT_FL
36
5
AUX_LCH
R421
220
C424
10
50V
3.9
0
C438
1
AU_OUT_FR
35
6
AUX_GND
R407
220
C413
10
50V
C437
1
3.6
3.2
AU_IN_FR
34
7
AUX_RCH
R430
0
3.6
AU_IN_FL
33
8
DP1
R431
0
3.6
AU_IN_RR
32
9
DN
R432
0
3.6
AU_IN_RL
31
10
DP2
R433
0
3.6
AU_IN_SUB
30
11
EP1
R434
0
NCO
29
12
R435
0
EN
3.9
AU_OUT_LCH
C417
2.2
50V
28
13
EP2
R436
0
C431
1
LCH_P
3.9
3.6
AU_OUT_RCH
27
14
FP1
C418
2.2
50V
8.5
3.6
C432
1
LCH_N
VCC(8.5V)
26
15
FN1
C419
10
50V
3.6
3.6
C434
1
RCH_N
FIL
25
16
FN2
C435
1
3.6
RCH_P
GND
24
17
FP2
3.1
I2C_SIO
23
18
NCO
3.1
I2C_SCK
22
19
NCO
R438
10k
8.4
MUTE
21
20
NCO
L1
3.3uH
R418
12k
R419
2.2k
C203
0.47
C103
D205
RKZ6.8B2KGP1
0.1
RE0
3.3
8.5
RE1
IC B/D
4
5
KEY1
KEY0
D200
IC202
LRB751V-40T1G
SIRCS
LCD_DATA
+3.3V REGULATOR
LCD_CE
IC202
TK11133CSCL-G
LCD_CLK
3
2
1
ILL+B
8.5
NOSE_SW
1.3
R203
4.7k
C212
R208
C205
C216
R204
C211
C215
0.1
2.2k
1
1
2.2k
4.7
0.01
C207
C206
C210
0.1
4.7
1000p
R218
1k
R202
0
R205
0
R209
1k
CN201
FB202
3P
0
1
MIC_SIGNAL
2
MIC_GND
R206 0
3
MIC_DETECT
27
27
MEX-BT39UW/BT3900U/BT3950U
11
12
13
14
(BT3900U: AEP, RU, UK)
R441
R406
0
0
C5
1000p
R414
IC B/D
BT39UW/
BT3900U: US, CND
(BT3950U)
IC001
JC264
0
R427
IC001
TEF6617T/V1/S470, 518 (EXCEPT BT3900U: AEP, UK)
FB408
TEF6617T/V1/S470/M5, 518 (BT3900U: AEP, UK)
PHASE LOCKED LOOP(PLL)
BT39UW/BT3900U:
US, CND
C19
0.01
0(1.3)
8.5(6.8)
1
AMSELOUT2
32
AMRFIN
R414, 427
C12
0.22
0(4.2)
C20
0.01
1k (BT39UW/BT3900U: US, CND)
8.5(6.8)
AMSELOUT1
2
31
AMRFDEC
0 (BT3950U)
3.1(2.9)
1.1(2.9)
C21
1
AMIFAGC1
3
30
FMIN2
3.1(2.9)
0(1.2)
L7
560uH
AMSELIN2
4
29
FMIN1
L8
560uH
EXCEPT BT3900U:
0(1.2)
AMSELIN1
5
28
GNDRF
JW365
AEP, RU, UK
C9
0.1
8.5
C23
0.01
TEST
6
27
VCC2
C13
2.2
0(1.7)
2.2
C22
0.01
PLLREF
7
26
BT39UW/BT3900U:
AMRFAGC
L6
JW148
R11
4.7k
FM MIX
US, CND
3.8
3.7
PLL
8
25
LOUT
C24
0.1
JW147
3.8
5.6
3
4
VCODEC
9
24
ROUT
C8
33p
C25
0.1
2
GND
10
23
GNDAUD
C28
47
16V
C16
0.47
0.3(1.9)
8.5
1
6
VCC1
11
22
AMIFAGC2
C17
0.1
3(3.6)
R12
22
C26
0.1
7.1
VREGSUP
12
21
MPXIN
(BT3900U: AEP, RU, UK/BT3950U)
3.9(5)
3.4
C27
0.1
VREF
20
13
MPXOUT
3.1(3.3)
R13
100
R3 0
L2
SDA
C18
14
19
RSSI
2.2uH
12p
6.2
R14
100
3.1(3.3)
SCL
FB3
R2
15
18
XTAL2
470k
6.2
GNDD
16
17
XTAL1
3
X1
(BT39UW/BT3900U: US, CND)
4MHz
(BT3900U: AEP, RU, UK/BT3950U)
D117
R416
470
D119
RKZ6.8B2KGP1
C442
1000p
D116
RKZ6.8B2KGP1
C100
0.1
C101
1000p
USB_D-
R122
0
USB_D+
R121
0
D118
R415
470
R417
R420
12k
0
R116
0
MIC IN
Note 1: When BT board is detective, exchange the complete mounted board.
1
3
Note 2: When SERVO board is detective, exchange the complete mounted
board.
Note 3: When the BT board is replaced, it is necessary to confi rm operation.
Refer to "BLUETOOTH FUNCTION CHECKING METHOD US-
ING A CELLULAR PHONE" of the servicing notes (See page 6).
15
16
(BT3900U: AEP, RU, UK)
J402
C426
100p
G
4P
-4
R
FRONT
-3
AUDIO OUT
C421
100p
L
C423
100p
-2
R
REAR/SUB
-1
AUDIO OUT
C412
100p
L
R413
10k
(BT3950U)
(BT39UW/BT3900U: US, CND)
J403
6P
C430
100p
L
R426
10k
SUB OUT
BUS
(MONO)
AUDIO IN
R
C428
100p
L
REAR
AUDIO OUT
R
L
FRONT
AUDIO OUT
R
BT39UW/BT3900U:
US, CND/BT3950U
FB1
VR1
C6
15p
R15
0
J1
(ANTENNA)
R16
0
C1
1000p
FB2
R1
470k
BT39UW/BT3900U:
US, CND
(CHASSIS)
SUB OUT
FB409
C408
CN408
100p
(MONO)
3P
1
SUB_OUT
1
2
GND
3
SUB_OUT
3
(CHASSIS)
(BT39UW/BT3900U: US, CND)
CN102
20P
CL061
1
USB_GND
CL063
2
USB_VBUS
CL064
3
D-
CL065
4
D+
CL066
5
GND
CL067
6
KEY_GND
CL068
7
AUX_L
CL069
8
AUX_R
CL070
9
AUX_GND
CL071
KEY
10
RE_0
A
CL072
BOARD
11
RE_1
CN901
CL073
12
KEY_1
(Page 29)
CL074
13
KEY_0
CL075
14
SIRCS
CL076
15
LCD_DATA
CL077
16
LCD_CE
CL078
17
LCD_CLK
CL079
18
ILL(FP+B)
19
PANEL_SW
20
GND
MAIN
4
BUS6
BOARD
(2/3)
CAM003
(Page 26)
(CHASSIS)