Schematic Diagram - Main Section (1/3) - Sony MEX-BT39UW Service Manual
Bluetooth audio system
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Also See for MEX-BT39UW:
- Operating instructions manual (80 pages) ,
- Owner's record (45 pages) ,
- Specification sheet (4 pages)
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5-5.
SCHEMATIC DIAGRAM - MAIN Section (1/3) -
1
2
3
(BT3900U: AEP, RU, UK)
RL+
RL-
A
FL+
FL-
FR+
FR-
RR+
RR-
FL+
FL-
B
RL+
RL-
RR+
RR-
FR+
FR-
ATT
AMP REM
MAX 0.3A
AMT REM
C
ACC
GND
BATT
ACC
GND
AMT REM
BATT
D
(BT39UW/BT3900U: US, CND)
CN801
8P
BUS
CONTROL IN
G
11
G
10
G
9
1
2
3
E
7
8
4
5
6
C809
0.1
D802
RKZ18B2KGP1
F
R804
R806
R813
1k
R805
100
100
1k
IC B/D
G
1
2
3
IC801
BUS INTERFACE
IC801
BA8271F-E2
14
13
12
H
R807
330k
R809
330k
FB826
I
J801
FB802
REMOTE IN
FB801
MEX-BT39UW/BT3900U/BT3950U
• See page 30 for IC Block Diagrams.
4
5
6
MAIN BOARD
TO
CN301
CN301
16P
(EXCEPT BT3900U: AEP, RU, UK)
14.4
+B
19
FU601
FRONT LCH+
TO
+B
18
10A
CN301
FRONT LCH-
+B
17
REAR LCH+
+B
16
REAR LCH-
TEST
15
REAR RCH+
ILL
14
REAR RCH-
TEL-ATT
13
FRONT RCH+
FR-
12
FRONT RCH-
RR-
11
AMP REM
MAX0.3A
RL-
10
ATT
FL-
9
ANT REM
MAX0.1A
GND
8
ACC
7
ACC
ANT-REM
6
AMP-REM
5
GND
FR+
4
BATT
RR+
3
RL+
2
FL+
1
R808
0
D803
RKZ18B2KGP1
D801
LRB751V-40T1G
TH801
D804
RKZ18B2KGP1
C802
470
25V
5.4
D806
Q807
RKZ6.2B2KGP1
DRC5144E0L
(BT39UW/BT3900U: US, CND)
0
RKZ7.5B2KGP1
BACK-UP CHECK
(BT3900U: AEP, RU, UK/BT3950U)
5.4
4
5
6
7
DRC5114E0L
BACK-UP CHECK
11
10
9
8
R862
0
220k
C801
BU_IN
2.7
0.01
Q808
2SC4154TP-1EF
BACK-UP CHECK
(BT3900U: AEP, RU, UK/BT3950U)
RCIN0
RCIN1
7
8
9
(1/3)
1
2
3
4
5
(BT3900U: AEP, UK)
D306
1A4-A2
1
2
L301
R321
1k
R325
4.7k
R319
R815
10k
15k (BT39UW/BT3900U: US, CND)
R316
R318
1k (BT3900U: AEP, RU, UK/BT3950U)
4.7k
10k
0.6
0.6
D807
Q301
Q303
R816
RKZ18B2KGP1
2SC4154TP-1EF
2SC4154TP-1EF
1k
0
0
0
ACC DETECT
TEL-ATT DETECT
Q802
JC363
0
RESET
R858
220k
1
MAIN BOARD
(2/3)
(Page 26)
25
25
MEX-BT39UW/BT3900U/BT3950U
10
11
12
IC301
IC B/D
IC301
TDF8556AJ/N3 (EXCEPT BT3900U: AEP, UK)
TDF8556AJ/N3/M5 (BT3900U: AEP, UK)
I2C BUS CONTROLLED
POWER AMP/MULTIPLE
VOLTAGE REGULATOR
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
C329
C305
0.22
0.22
R308
R320
C330
C304
0.22
150
0.22
47k
C263
1
C327
47p
IC403
Q407
RT1P141M-TP-1
IC403
MUTE DRIVE
PST8228UL
RESET SIGNAL GENERATOR
3.1
4
5
IC B/D
1
4
VOUT
VSS
R401
3.3
100k
2
VIN
NC
3
IC402
IC402
TK11133CSCL-G
C401
S401
0.1
+3.3V REG
3
2
1
RESET
C445
1000p
C447
100
13.7
10V
Q409
DRC5114E0L
MUTE DRIVE
0
D404
D403
DA2J10100L
DA2J10100L
13
14
15
27
28
29
30
31
32
33
34
35
36
37
C312
C308
10
0.22
16V
C306
C313
1
47
16V
C301
0.22
11
12
13
14
15
MAIN
2
BOARD
(3/3)
(Page 27)
17
14
0
16
13.7
ILL+B
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