Schematic Diagram - Main Section (1/4) - Sony MEX-BT38UW Service Manual

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