Sony MEX-BT5700U / MEX-BT5750U Service Manual ▷ View online
MEX-BT5700U/BT5750U
MEX-BT5700U/BT5750U
33
33
4
B
3
E
7
A
D
5
1
6
C
2
MAIN
BOARD
(4/5)
A
CN100
KEY
BOARD
CN901
B
FFC701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
S701
330
R793
0
R794
CL-197HB1E-D-T
LED701
CL-197HB1E-D-T
LED702
10
R791
10
R792
1
2
3
3P
CN702
USB_D+
USB_D-
USB_GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
24P
CN703
UCOM_GND
FL-VDD2+55V
FL_F(+)
FL_F(-)
FL/ILL_GND
ILL+10.4V
DSPL_TX
DSPL_RX
DSPL_CE
FL_VDD+3.3V
DSPL_RESET
CNVSS
USB_VBUS
USB_D-
USB_D+
USB_GND
DOOR
RE_0
RE_1
KEY-0
KEY-GND
AUX-L
AUX-GND
AUX-R
BP701
D751
MAZ8068GMLS0
D752
MAZ8068GMLS0
KEY_GND
V-BUS
USB_GND
FL-VDD2+55V
FL_F+
FL_F-
USB_GND
FL-VDD2+55V
FL_F+
FL_F-
ILL+10.4V
FL/ILL_GND
RE_1
RE_0
KEY-0
FL-VDD+3.3V
DOOR
DSPL_TX
DSPL_RX
CNVSS
DSPL_CE
DSPL_RESET
AUX-L
AUX-GND
AUX-R
U-COM_GND
RE_0
KEY-0
FL-VDD+3.3V
DOOR
DSPL_TX
DSPL_RX
CNVSS
DSPL_CE
DSPL_RESET
AUX-L
AUX-GND
AUX-R
U-COM_GND
CNVSS
DSPL_RESET
FL-VDD+3.3V
DSPL_CE
DSPL_RX
DSPL_RX
DSPL_TX
FL-VDD2+55V
V-BUS
DOOR
RE_0
RE_1
AUX-R
USB_GND
KEY_GND
FL_F+
FL_F-
FL/ILL_GND
AUX-L
AUX-GND
KEY-0
ILL+10.4V
U-COM_GND
(DOOR INDICATOR)
SERVO
BOARD
BOARD
(2/2)
SUB BOARD
5-12. SCHEMATIC DIAGRAM - SUB Section -
(Page 35)
(Page 28)
MEX-BT5700U/BT5750U
MEX-BT5700U/BT5750U
34
34
BE
Q901
LED901
LED902
LED903
LED904
LED905
LED906
LED907
LED908
LED909
LED910
LED911
LED912
LED913
LED914
LED915
LED916
LED917
LED918
LED919
LED920
LED921
LED922
C925
S902
S903
S904
S905
S906
S907
S908
S909
S910
S911
S912
S913
S914
S915
S916
S917
S918
R994
D902
IC903
37
35
33
21
1
3
5
8
ND001
BE
I
O
1
12
13
24
JL001
JL002
JL003
JL004
JL005
JL006
JL007
JL008
JL009
Q905
FL902
FB905
FB906
FB907
R901
R902
R903
R904
R905
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R916
R917
R724
R918
R919
R725
CN901
R920
R921
CL001
R922
CL002
R923
CL003
R730
R924
R731
R925
R926
R927
R933 R934
R742
R743
C901
C902
C903
R940
R941
R942
C906
C907
R943
C908
R945
C909
R752
R946
R753
R947
R948
R949
R758
C910
R759
C911
X901
C912
R950
C914
R951
C915
R952
C916
R953
C917
R954
C918
R955
LF901
R956
R957
R764
R959
R765
C920
C923
R960
R961
S901
R962
C926
R963
R964
R770
R965
R771
R966
R967
R968
R969
R776
R777
C930
R970
R971
R972
R973
R974
R975
R782
R976
R783
R977
R980
R983
R790
R791
R989
R990
R991
R992
R993
R995
R996
D901
D903
D904
D905
D906
D907
D908
D909
D910
D911
D912
D913
D914
D915
D916
D917
D918
D919
D920
IC901
IC902
IC904
CN902
RE901
J901
FB901
FB902
FB903
CL001
CL002
CL003
1
3
2
4
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
S902 – 918
LED901 – 922
A
K
KEY BOARD
(COMPONENT SIDE)
1-879-277-
21
(21)
LED917-920
(RING ILLUMINATOR)
OFF
SOURCE
LED905, S905
LED901, S917
LED904, S918
LED902, 922, S904
MODE
LED921, S908
N
SEEK –
LED908, S907
.
SEEK +
ZAP
LED907,
S903
LED906, S902
SCRL
LED911, S909
REP
1
LED910, S910
DM+
5
LED912, S914
SHUF
2
LED909, S911
– ALBUM
3
LED914, S912
ALBUM +
4
LED913, S913
PAUSE
6
LED916, S915
DSPL
LED915, S916
1
25
26
50
51
75
76
100
(USB)
ROTARY
ENCODER
1
7
6
3
2
4
5
SOUND/MENU/
/
PUSH ENTER/
(VOLUME)
RE901
1
4
1
4
8
5
5
FRONT PANEL
OPEN/CLOSE
DETECT
S901
B
SUB BOARD
CN703
KEY BOARD
(CONDUCTOR SIDE)
1-879-277-
21
(21)
AUX
1-879-278-
21
(21)
1-879-278-
21
(21)
AUX
BOARD
(CONDUCTOR SIDE)
AUX
BOARD
(COMPONENTSIDE)
BRN
RED
ORG
BRN
RED
ORG
BLUETOOTH
BT
LED903, S906
PTY
AF/TA
SCRL
DSPL
DSPL
(BT5700U: AEP, UK)
BT5700U: US, CND
/BT5750U
(BT5700U: AEP, UK)
BT5700U: US, CND
/BT5750U
FLUORESCENT INDICATOR TUBE
A
B
C
D
E
F
1
2
3
4
5
6
7
8
4
3
1
2
5-13. PRINTED WIRING BOARDS - KEY Section -
•
: Uses unleaded solder.
• See page 24 for Circuit Boards Location.
(Page 32)
MEX-BT5700U/BT5750U
MEX-BT5700U/BT5750U
35
35
10
C
B
6
E
I
F
A
9
3
13
4
7
5
14
J
2
D
8
11
H
1
12
G
BOARD
B
CN703
SUB
11
IC B/D
0.1
4.1
0.1
0
0
0
0
0
0
0
0
0
0
3.3
4
3.3
3.3
2.4
3.3
0.9
3.3
3.3
0.9
0.9
0.9
3.3
0.9
3.3
3.3
3.3
2.6
1.1
3.3
1
0.9
1
3.3
0.8
1.1
3.3
1
3.3
0.8
1
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
SCRL
REP
1
PTY
AF/TA
PAUSE
6
DSPL
SCRL
DSPL
DSPL
REP
1
PAUSE
6
SCRL
DSPL
DSPL
PTY
AF/TA
SHUF
2
SHUF
2
(BT5700U: AEP. UK)
BT5700U: US, CND/
BT5750U
(
)
(BT5700U: AEP. UK)
BT5700U: US, CND/
BT5750U
(
)
(BT5700U: AEP. UK)
BT5700U: US, CND/
BT5750U
(
)
1
3
7
6
4
2
5
/
BLUETOOTH
BT
(BT5700U: AEP. UK)
BT5700U: US, CND/
BT5750U
(
)
8765
4
3
2
1
IC904
SN74LVC2G66DCUR
1A
1B
2C
GND
2A
2B
1C
VCC
820
R901
1k
R902
1k
R903
1.2k
R904
1.5k
R905
1.8k
R980
820
R906
1k
R907
1k
R908
1.2k
R909
1.5k
R910
1k
R914
0
R915
0
R916
3
1
2
4
LF901
Q901
RT1P141C-TP-1
USB ON/OFF CONTROL
D905
RB501V-40TE-17
D902
MA2J1110GLS0
1k
R919
S902
S903
S904
S905
S906
S907
S908
S909
S910
S911
S912
S913
S914
S917
S918
MAZ8180GMLS0
D906
MAZ8068GMLS0
D907
MAZ8068GMLS0
D908
MAZ8068GMLS0
D909
MAZ8068GMLS0
D910
MAZ8068GMLS0
D911
MAZ8068GMLS0
D913
MAZ8068GMLS0
D914
MAZ8068GMLS0
D915
C902
0.01
SL-194S-WS-SD-T
LED920
CL-197HB1E-D-T
LED909
CL-197HB1E-D-T
LED910
CL-197HB1E-D-T
LED911
CL-197HB1E-D-T
LED913
CL-197HB1E-D-T
LED912
CL-197HB1E-D-T
LED914
CL-197HB1E-D-T
LED915
CL-197HB1E-D-T
LED916
470
R742
1k
R743
220
R770
100
R771
100
R777
220
R776
390
R782
390
R783
RT1N141C-TP-1
LED DRIVE
Q905
43
12
XC61CN2802NR
IC902
Vout
Vdd
NC
Vss
47k
R920
47k
R921
D916
1SS355WTE-17
C910
0.1
100k
R966
100
R924
100k
R927
C911
0.1
100
R922
100
R926
1k
R923
C909
0.1
820
R913
0.5%
10k
R965
0.5%
10k
R964
100
R942
100
R943
220
R946
C912
0.1
D917
MAZ8051GMLS0
D918
MAZ8051GMLS0
VCC
OUT
GND1
GND2
RS-470
IC903
1k
R945
C914
1
10
R949
10k
R951
2.2k
R954
100k
R959
100k
R957
0
R993
10
R950
C915
0.1
C917
0.1
C918
100V
0.1
C920
0.1
C916
0.1
D901
D903
D904
FB905
0
1
23
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC901
MAS_IF
SIRCS
VDC0
NOC
VDC1
NSD
CNVSS
NCO
NCO
RESET
SIRCS
VDC0
NOC
VDC1
NSD
CNVSS
NCO
NCO
RESET
XOUT
VSS
XIN
VCC1
NMI
NCO
NCO
NCO
GCP_TA4_IN
NCO
FL_CLK_IN
FL_DAT2
NCO
LAT_TA2_OUT
NCO
VSS
XIN
VCC1
NMI
NCO
NCO
NCO
GCP_TA4_IN
NCO
FL_CLK_IN
FL_DAT2
NCO
LAT_TA2_OUT
NCO
BK_TA1_
OUT
NCO
GCP_TA0_OUT
SYS_SO
SYS_SI
FLS_CLK
BUSY
FL_
DAT1
NCO
FL_CLK
_IN
NCO
NCO
NCO
HOLD
NCO
NCO
NCO
NCO
WRI
/WR
FL_
DAT3
NCO
FL_CLK_OUT
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
VCC2
NCO
VSS
NCO
NCO
NCO
NCO
STATUS_3
STATUS_2
STATUS_1
STATUS_0
NCO
NCO
NCO
NCO
NCO
NCO
NCO
KEY_PU
SH
NCO
NCO
SW_4
SW_3
SW_2
SW_1
KEY_1
KEY_2
NCO
NCO
NCO
ILL_GREEN
ILL_BLUE
ILL_RED
NCO
AVSS
NCO
VREF
AVCC
RING
NCO
NCO
ND001
FLUORESCENT INDICATOR TUBE
1
5
6
7
8
21 22 23 24 25 26 27 28 29 30 31 32 33
35 36
2
3
37
1
2
3
4
6P
CN902
0.1
C901
10k
R918
2.2
C906
10k
R917
10
R962
10
R963
100
R933
100
R934
1k
R724
1k
R725
1k
R731
SL-194S-WS-SD-T
LED917
SL-194S-WS-SD-T
LED918
SL-194S-WS-SD-T
LED919
D919
MAZ8051GMLS0
100
R940
0.5%
10k
R941
1.8k
R911
R912
S915
S916
2.2k
390
R758
CL-197HB1E-D-T
LED903
LED904
470
R752
CL-197HB1E-D-T
LED902
CL-197HB1E-D-T
LED922
390
R753
390
R764
CL-197HB1E-D-T
LED908
470
R765
CL-197HB1E-D-T
LED907
1K
R730
CL-197HB1E-D-T
LED906
1k
R991
CL-197HB1E-D-T
LED905
820
R990
0
R989
390
R791
CL-197HB1E-D-T
LED921
CL-197HB1E-D-T
LED901
470
R790
470
R759
CL-197HB1E-D-T
LED902, 922
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
24P
CN901
USB_VBUS
USB_D-
USB_D+
USB_GND
DOOR
RE_0
RE_1
KEY-0
KEY-GND
AUX-L
AUX-GND
AUX-R
UCOM_GND
FL_VDD2+55V
FL_F(+)
FL_F(-)
FL/ILL_GND
ILL+10.4V
DSPL_TX
DSPL_RX
DSPL_CE
FL_VDD+3.3V
DSPL_RESET
CNVSS
10
R947
0
R970
100V
0.1
C908
22p
C930
0.1
C907
10
R969
100k
R971
8MHz
X901
MAZ8068GMLS0
D920
C923
4.7
100k
R972
100k
R967
100k
R973
FB907
0
2.2k
R974
100k
R975
100k
R976
100k
R977
R925
0
100
R952
100
R961
100
R960
1k
R956
1k
R955
1k
R953
1k
R968
C926
0.01
1k
R995
MAZ8068GMLS0
D912
C925
0.22
0
R948
R983
100
C903
4.7
RE901
S901
JL001
JL002
JL003
JL004
JL005
JL006
JL007
JL008
JL009
FB906
0
FL902
EMI
FB902
FB901
J901
FB903
SI2
LAT
DSPL_CE
BK
SI1
SI3
GCP
GCP
LAT
DSPL_TX
DSPL_RX
DSPL_CE
SI1
DSPL_RX
DSPL_TX
DSPL_TX
SI2
SI3
BK
CLK
CLK
SOURCE
– ALBUM
3
ALBUM +
4
DM+
5
MODE
ZAP
MODE
OFF
ZAP
MODE
KEY BOARD
LED917-920
(RING ILLUMINATOR)
SEEK +
SEEK –
AUX BOARD
AUX
CL002
CL003
CL001
CL003
CL002
CL001
(USB)
D–
USB-VBUS
USB-GND
D+
5
6
USB SELECT SWITCH
IC904
OFF
SOURCE
SOUND/MENU/
PUSH ENTER/
(VOLUME)
ROTARY
ENCODER
FRONT
PANEL
OPEN/CLOSE
DETECT
IC903
REMOTE CONTROL
SIGNAL RECEIVER
SCRL
DSPL
SEEK +
SEEK –
IC901
IC902
RESET SIGNAL
GENERATOR
R5F64167DA01FB
1
2
2
4
3
3
0
R992
– ALBUM
3
ALBUM +
4
DM+
5
1M
R996
100
R994
FLUORESCENT INDICATOR TUBE
DRIVER
5-14. SCHEMATIC DIAGRAM - KEY Section -
(Page 33)
• See page 41 for IC Pin Function Description.
MEX-BT5700U/BT5750U
MEX-BT5700U/BT5750U
36
36
• Waveforms
– MAIN Board –
IC501 P (X1)
1 V/DIV, 50 ns/DIV
126 ns
3.8 Vp-p
30.4
μs
1.3 Vp-p
IC50 R (XTO)
1 V/DIV, 50 ns/DIV
115 ns
2.4 Vp-p
IC501 RT (X1A)
RB
IC901 RB (XOUT)
500 mV/DIV, 10
μs/DIV
125 ns
1.4 Vp-p
500 mV/DIV, 50 ns/DIV
– KEY Board –
• IC Block Diagrams
– MAIN Board –
IC1 TEF6607T/V4/S470, 518
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
LOUT 8
ROUT 9
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
GNDAUD 10
GNDRF 5
VCC+8.5V 6
AMRFAGC 7
AMIFAGC 11
MPXIN 12
AMOUT2
32
AMOUT1
31
AMIFAGC1
30
AMSELIN2
29
VCOLOOP
25
VCCVCO
24
VREF+4V
20
SDA
19
SCL
18
GNDDIG
17
GNDANA
23
AMSELIN1
28
TESTCT
27
VCOREF
26
VCC+8.5V
22
GREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
1
VDDA
2
REF3
3
REF2
4
REF1
5
VSS
6
TM
7
VDDD
8
RESETN
16 MPX
15 INTN
14 CSN
13 SA_DATAOUT
12 SDA_DATAIN
11 SCL_CLK
15 INTN
14 CSN
13 SA_DATAOUT
12 SDA_DATAIN
11 SCL_CLK
10 XTO
9 XTI
SIGMA DELTA
CONVERTER
RDS DEMODULATOR
&
SYNCHRONISATION
RAM BUFFER
&
CONTROL LOGIC
TEST LOGIC
&
PIN MIX'S
SINC4
FILTER
I2C/SPI
INTERFACE
BANDPASS
FILTER
INTERPOLATOR
OSCILLA
TOR
TESTREG
SPL
SCK
SDAIN
SDAOUT
MPX
SINC4
REG
IC50 TDA7333013TR
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