Sony MEX-BT3850U Manuale di servizio - Pagina 27
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4-6.
SCHEMATIC DIAGRAM - MAIN Section (1/4) -
1
2
3
MAIN BOARD
A
B
CNJ600
8P
BUS CONTROL
IN
C
1
2
3
7
8
4
5
6
D
R713
J701
REMOTE
IN
R714
E
1
2
F
4
5
1
6
7
MAIN
8
BOARD
(3/4)
9
(Page 29)
10
11
G
12
13
14
15
16
H
24
3
25
MAIN
BOARD
(2/4)
27
(Page 28)
28
CN350
28P
R409
I
0
JL028
WAKE_UP
28
JL027
BU_CHECK
27
R408
OPEN_REQ
26
0
JL025
EJECT_OK
25
JL024
A_3.3V
24
JL023
A_GND
23
R407
JL022
AU_RCH
22
JL021
R415
AU_GND
21
J
JL020
R406
AU_LCH
20
JL019
AU_ATT
19
CD MECHANISM
JL018
DECK
CDM_ON
18
MG-101Z-188//Q
JL017
CD_ON
17
JL016
DR_GND
16
JL015
SERVO
DR_6V
15
BOARD
JL014
(1/2)
USB_GND
14
JL013
MECHA_8.5V
13
R401
K
JL012
RXD(MC-BUS)
12
JL011
R400
SENSOR
TXD(MC-BUS)
11
BOARD
JL010
D_GND
10
VBUS_CHECK
9
JL008
Z_MUTE
8
JL007
R403
VBUS_ON
7
NCO(FLASH_W)
6
JL005
BU_GND
5
JL004
FB420
L
BU_3.3V
4
JL003
SYS_RST
3
NCO
2
JL001
NCO
1
MEX-BT38UW/BT3800U/BT3807U/BT3850U
• See page 33 for IC Block Diagrams.
4
5
6
(1/4)
D610
MAZ8180GMLS0
C610
D611
0.1
MA2ZD14001S0
D612
MAZ8180GMLS0
R612
0
R610
100
C611
0.01
R712
C709
3300p
C710
3300p
R616
C850
330k
0.22
R617
330k
R413
C405
C406
0
560p
560p
WAKE_UP
EJECT_OK
C403
C924
100
0.01
R416
10V
0
1k
0
C400
1k
0.01
CDM_ON
CD_ON
C407
C408
100
0.01
10V
L400
0
100
MC_TX
100
MC_RX
FB418
Z_MUTE
100
VBUS_ON
R404
C401
C402
100k
10
0.01
16V
FB419
7
8
9
10
R618
0
6.1
0
Q600
RT1N141C-TP-1
BATTERY CHECK
R611
R615
C600
D702
100
100
470
MAZ8180GMLS0
25V
IC B/D
1
2
3
4
5
6
7
IC601
SONY BUS
INTERFACE
IC601
BA8271F-E2
14
13
12
11
10
9
8
R614
R613
1k
1k
L851
FU851
47uH
2A
36V
S
Q851, 852
DC/DC CONVERTER
G
Q852
RT1N141C-TP-1
R852
47k
C851
R851
0
0.1
47k
3.3
C865
0.1
R878
D854
1k
MA2J1110GLS0
IC B/D
1
2
3
4
IC852
USB POWER
ON/OFF SWITCH
IC852
TPS2051BDRG4
8
7
6
5
27
27
MEX-BT38UW/BT3800U/BT3807U/BT3850U
11
12
13
14
TH600
D600
MAZ8062GMLS0
R600
15k
D601
MAZ8180GMLS0
R602
1k
D703
MAZ8180GMLS0
C705
C704
D705
1000p
1000p
MAZ8180GMLS0
R709
47k
C707
0.47
C708
0.47
R710
R711
47k
R706
R705
4.7k
10k
10k
0.6
0.6
Q703
Q701
2SC3052EF-T1-LEF
2SC3052EF-T1-LEF
0
0
ACCESSORY
LEVEL SHIFT
CHECK
L852
68uH
4
5
6
4
5
6
D
D
S
D
D
D
D
G
D
D
3
2
1
3
2
1
C852
C853
C854
470
1
0.1
25V
Q853
C861
C863
RSQ035P03TR
0.1
220
16V
DC/DC CONVERTER
R855
1.5k
C855
470p
R856
R861
R864
68k
C860
39k
100k
1
IC B/D
8
7
6
5
IC851
S
Q854
2SB1690KT146
DC/DC CONVERTER
0
IC851
TPS40200DRG4
4.8
G
1
2
3
4
0
R862
R867
C859
100k
4.7k
15p
C858
R860
1500p
330k
D853
MAZ8056GMLS0
C857
C856
R858
R863
C864
R865
470p
100k
1
22k
0.1
10k
15
16
R704
47k
BU_CHECK
4
5
6
D
D
D
D
3
2
1
Q854, 861
DC/DC CONVERTER
R873
10k
17
18
2
19
20
MAIN
21
BOARD
22
(4/4)
(Page 30)
23