Schematic Diagram - Main Section (3/5) - Sony MEX-BT4100E Service Manual

5-6.

SCHEMATIC DIAGRAM - MAIN Section (3/5) -

1 2 3
MAIN BOARD (3/5)
A
11
12
3
88
MAIN
13
BOARD
(1/5) 14
(Page 31)
B 15
16
BUS3
6
BUS2
G_HOST_GND
MAIN
C
USB_OVER
BOARD
(5/5)
USB1_ON
(Page 35)
DC_DC
R203
0
D
R201
0
10
BUS4
MAIN
BOARD
(4/5)
(Page 34)
1 MIC_DET
2 D_GND
E
3 VCC
4 D_GND
5 BT_POWER
6 BT_CTS
7 BT_RTS
8 BT_TX
9 BT_RX
10 NC
MJ1
F
11 LCH_N
MIC IN
BT
12 LCH_P
BOARD
13 RCH_P
14 RCH_N
15 AUDIO_GND
16 BT_MIC_PWR
17 RESET
18 MUTE
G
19 GND
R200
20 GND
0
21 GND
22 GND
JL001
JL001
C1301 C1315
1 22
H
C1307
0.01
I
R1314
0
L1301
47uH
J
C1304 R1300 R1320 C1325
47 1k 1k
K
MEX-BT4100E/BT4100P/BT4100U/BT4150U
• See page 40 for Waveforms. • See page 40 for IC Block Diagrams. • See page 42 for IC Pin Function Description.
4 5 6
BU_IN
RE1
RE0
BT_MIC_DET
BT_POWER
BT_CTS
BT_RTS
BT_TX
BT_RX
LCH_N
LCH_P
KEY1
RCH_P
KEY0
RCH_N
BT_RST
C1316
1
IC B/D
IC1300
1 DC/DC CONVERTER
IC1300
R1301
OZ539IGN-A1-0-TR
100
10.3 6
VREF
1 16
BST
5 1.5
RT
2
15
LX
14.4
GNDA
3 14
VIN
3.3 0
SS_SYS
4 13
EN_SYS
5 3.3
EN_USB
5 12
USB_OUT
0.9 0
VIC_USB
6 11
FB_US
5 0.9
ISET_USB
7 10
USB_IN
FB1301
0.8 3.3
0 FLT_USB
8 9
SYNC
C1306 R1311
680p 39k
C1320 R1312 R1313 C1305 C1311 C1318 R1315 C1312
0.022 0.1 10k 150k 22 100 1000p 10k 0.01
16V
7 8 9 10
R582
33k
R583
R581
R790 30k
100k
0
C106
0.1 R107 JL502
R590
R507
0
0
100k
75 74 73 72 71 70 69
CL002
3.3
76
CL003
77
R587 C522 C523
0 R517 0.01 0.01
CL004
78 DEBUG_3
1k
3.3
79 DEBUG_1
3.3
80 RE-IN0 DEBUG_2
R518 3.3
R521 R522
1k 81 RE_ON RE-IN1
33k 33k
CL005
82 RE_ON(RESERVE)
83 NCO
84 NCO
85 NCO
JL500
3.3
86 NA
87 NCO
C514
1000p
88 NCO
3.3
89 KEYACK0
3.3
C512
90 KEYACK1
1000p
R523
91 NCO
100
3.3
92 KEYIN1
3.3
93 KEYIN0
R524 100
94 AVSS
RCIN0 3.3
95 RC_IN0
R525 3.3
100 96 AVRH
3.3
C502
97 AVDD
1000p
98 NCO DOWNLD_DET
0
R516
99 BT_MIC_POWER
10k
3.3
100
JL008
1 2 3 4 5 6 7
C508 R541
X502
22p R542
32.768kHz 10M
C1308
220k
2.2
R1302 C507
22p
100k
R544
R543
1M 3 2
C509
0
8p
C1309
0.01
1
R1305
10k
X501
7.92MHz
C1310 0.1
R1307 2
82k
R1308
C511 R531 R535 R536
82k
8p 100k 470 100k
C1326 R864
47p 0
Note 1: When the BT board is defective, exchange
the complete mounted board.
33 33
MEX-BT4100E/BT4100P/BT4100U/BT4150U
11 12 13
R575 R579
100k 10k
JL501
R502 C504 C513
R580
100k 0.1 0.01
100k
R573 R577
100 100k
R595
100
68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
NCO 50
NCO 49
NCO 48
3.3
HIT2_RESET 47
R510
2.3
HIT2_CLK 46
R511
2.5
HIT2_DATA 45
3.3
CE 44
R584
NCO 43 100k
<0>
MEC_EJECT 42
<0>
MEC_LOAD 41
NCO 40
IC501
0
EPM 39
R567
MAIN SYSTEM CONTROLLER NCO 38 100k
IC501
NCO 37
R5F3650ECDZ98FB
(BT4100E/BT4100U/BT4150U)
NCO 36
R5F3650KCDZ95FB
3.3
(BT4100P)
XM_POWER EN 35
0
XM_RX 34
3.3
XM_TX 33
0 R563
FW_BUSY 32
0
FW_CLK 31
R562
0
FW_RXD 30
R561
0
FW_TXD 29
3.3
I2C_SIO 28
3.3
27
I2C_SCK
0
BEEP 26
R555
0
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
C518
0.047
R552
100
R540
100k
R554 R506 R550
100k 220k 100k
R505
4.7k
R553
0
Note 2: When IC501 is replaced, the destination setting is necessary. Refer to "NOTE THE
MAIN BOARD OR SYSTEM CONTROLLER (IC501) REPLACING" on page 4.
Ver. 1.1
14 15 16 17
EN_SYS
C510
1
18
20
100
21
100
22
23
24
BOARD
EJECT
25
LOAD
(Page
26
27
89
C521 C520
47p 47p
XM_PWREN
XM_RX
XM_TX
100
JL005
0
JL003
0
JL004
I2C_SDA
I2C_SCL
JL006
R560
100k R101
0
R557 R100
2.2k 0
R556
2.2k
4
MAIN
(2/5)
32)