DOWNLOAD Sony MEX-BT3900U / MEX-BT3950U / MEX-BT39UW Service Manual ↓ Size: 3.06 MB | Pages: 48 in PDF or view online for FREE

Model
MEX-BT3900U MEX-BT3950U MEX-BT39UW
Pages
48
Size
3.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
mex-bt3900u-mex-bt3950u-mex-bt39uw.pdf
Date
PREV: Sony MEX-1GPX Service Manual

Sony MEX-BT3900U / MEX-BT3950U / MEX-BT39UW Service Manual ▷ View online

MEX-BT39UW/BT3900U/BT3950U
MEX-BT39UW/BT3900U/BT3950U
29
29
MAIN
CN102
(3/3)
A
BOARD
IC B/D
8.9
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
2.6
3.5
2.6
1.8
2.6
2.6
2.6
2.6
2.6
2.6
0
2.6
3.2
2.6
3
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
0
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
0.1
0
5.2
4.7
0
SEEK+
R904
M
>
M
>
M
>
m
.
m
.
Z
m
.
11
2
F
12
A
5
D
C
13
G
1
E
9
4
H
3
J
8
B
6
14
I
7
10
KEY BOARD
IC901
IC902
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17
18
19
20
21
22
29
28
27
26
25
24
23
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
LC75829PWH-US-H
IC901
LCD DRIVER,LED CONTROL
BACK-LIGHT
DIMMER
COLOR1
COLOR2
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
C901
0.1
C902
0.1
1M
C904
0.47
C906
0.1
R906
150
R940
150
R986
100
RE901
2
45
3
1
6
7
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R928
820
R929
1k
R930
1k
R931
1.2k
R932
1.5k
R933
1.8k
R934
2.2k
R908
120
R909
120
R910
120
R911
1.5k
R960
180
R966
R965
180
0.1
C903
R919
0
100
R915
100
R916
100
R917
LCD901
LIQUID CRYSTAL DISPLAY PANEL
1
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
52
2
4
49
51
3
50
R962
C910
100p
C911
100p
C909
100p
C912
0.1
S907
S902
S901
S903
S904
S906
S905
R998
0
R945
27
R946
27
1234
1234
CN902
5
6
7
RT1N140C-TP-1
Q901
LCD BACK LIGHT
DIMMER CONTROL
FB903
FB901
FB902
J901
VCC
OUT
GND
PNA4813M01S0
IC902
REMOTE CONTROL
SIGNAL RECEIVER
1
2
3
3
1
2
4
5
6
DA2J10100L
D901
1k
R995
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D908
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D916
RKZ6.8B2KGP1
D912
RKZ6.8B2KGP1
D91
1
RT6N140C-TP-1
Q903
LED DRIVER
RT6N140C-TP-1
Q904
LED DRIVER
0
R905
LED928
LED925
LED929
LED919
LED921
LED914
LED916
LED905
LED903
LED934
LED938
LED909
LED932
LED936
LED907
LED912
LED910
LED923
CL-197HB1E-D-T
LED924
CL-197HB1E-D-T
LED926
CL-197HB1E-D-T
LED915
CL-197HB1E-D-T
LED917
CL-197HB1E-D-T
LED904
CL-197HB1E-D-T
LED902
CL-197HB1E-D-T
LED933
CL-197HB1E-D-T
LED937
CL-197HB1E-D-T
LED931
CL-197HB1E-D-T
LED935
CL-197HB1E-D-T
LED906
CL-197HB1E-D-T
LED913
CL-197HB1E-D-T
LED911
CL-197HB1E-D-T
R961
180
R964
180
R981
820
R982
820
R963
R967
R984
R985
R970
R971
R978
R994
R942
R976
R948
R958
R959
R952
R953
R996
R990
R991
R983
R972
180
R973
180
R949
180
R951
180
R941
180
R943
180
R935
470
R956
820
R957
820
R954
470
R955
470
R979
470
R987
470
R989
560
R968
470
R969
470
R974
R975
1000p
C915
1000p
C916
RKZ6.8B2KGP1
D921
LED908
CL-197HB1E-D-T
LED918
SL-194S-WS-SD-T
LE
D
92
0
SL
-1
94
S-
W
S-
SD
-T
20P
CN901
1
USB_GND
2
USB_VBUS
3
D-
4
D+
5
GND
6
KEY_GND
7
AUX_L
8
AUX_R
9
AUX_GND
10
RE_0
11
RE_1
12
KEY_1
13
KEY_0
14
SIRCS
15
LCD_DATA
16
LCD_CE
17
LCD_CLK
18
ILL(FP+B)
19
PANEL_SW
20
GND
NESW505DT
-A0-UV
LED901
D902
RKZ5.1B2KGP1
VDR906
VDR908
R999
10
R980
820
R918
0
R938
820
R927
470
10
R944
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
COM[1]
COM[2]
COM[3]
COM[4]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
S[20]
S[19]
S[18]
S[17]
S[16]
S[15]
S[14]
S[13]
S[12]
S[1
1]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
DATA
CE
CE
CLK
DATA
CLK
S[4]
S[3]
COM[4]
COM[3]
COM[2]
COM[1]
S[2]
S[1]
BT
AUX
1
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(LCD BACK LIGHT)
/MODE
PUSH ENTER/
ROTARY ENCODER
SEL/
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
BT
BT
(DISC SLOT
 INDICA
TOR)
(DISC SLOT
 INDICA
TOR)
D+
D–
4P
GND-USB
VBUS-USB
(VOLUME)
SEEK+
SEEK–
R977
1.5k
LED939
SL-194S-WS-SD-T
R903
1.2k
R901
1k
 MODE
SEEK–
SEEK+
SEEK–
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
     SCRL
DSPL
LSW905
LSW910
SHUF
2
LSW911
REP
1
LSW906
PAUSE
6
LSW909
ALBUM –
3
LSW908
ALBUM +
4
LSW907
MIC/ZAP
5
BT39UW/BT3900U:
US, CND
BT3900U:
AEP, RU, UK
(BT3950U)
LSW912
CAT
PTY
     PTY
AF/TA
PTY
220
220
150
150
820
820
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
150
150
1.5k
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
R936
LED940
R912
R902
1k
 MODE
1.5k
SL-194S-WS-SD-T
820
820
820
820
1.2k
820
1k
SML-D12V8WT86SN
SML-D12V8WT86SN
SML-D12V8WT86SN
1.2k
1k
1.8k
2.2k
1.8k
SL-194S-WS-SD-T
SL-194S-WS-SD-T
820
820
     OFF
SOURCE
     OFF
SOURCE
1.2k
     OFF
SOURCE
5-9.  SCHEMATIC  DIAGRAM - KEY Board -
• See page 30 for IC Block Diagrams.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF 
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)” 
(See page 5), if replacing the Ref. No. CN902 and the Ref. No. J901.
(Page 27)
MEX-BT39UW/BT3900U/BT3950U
MEX-BT39UW/BT3900U/BT3950U
30
30
•  IC Block Diagrams
– MAIN Board –
IC001  TEF6617T/V1/S470, 518 (Except BT3900U: AEP and UK models)
IC001  TEF6617T/V1/S470/M5, 518 (BT3900U: AEP and UK models)
IC301  TDF8556AJ/N3 (Except BT3900U: AEP and UK models)
IC301  TDF8556AJ/N3/M5 (BT3900U: AEP and UK models)
IC202, 402  TK11133CSCL-G
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
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOAD DUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL–
OUT-FL+
OUT-RL–
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR–
OUT-FR+
OUT-FR–
DIAG
ANT-REM
AMP-REM
SERVO+3.3V
MECHA+6V
VP
BU+B
I2C_SIO
I2C_SCK
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
MEX-BT39UW/BT3900U/BT3950U
31
IC401  BD3467FV-E2
BUS_LCH 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
AU_OUT_SL
40
BUS_RCH 2
TU_LCH 3
TU_RCH 4
AUX_LCH 5
AUX_GND 6
AUX_RCH 7
ISO
GND
AMP
ISO
GND
AMP
DP1 8
DN 9
DP2 10
ISO
GND
AMP
ISO
GND
AMP
EP1 11
EN 12
EP2 13
ISO
GND
AMP
ISO
GND
AMP
FP1 14
FN1 15
ISO
GND
AMP
FN2 16
FP2 17
NCO 18
NCO 19
NCO 20
ISO
GND
AMP
AU_OUT_SR
39
AU_OUT_RL
38
AU_OUT_RR
37
AU_OUT_FL
36
AU_OUT_FR
35
AU_IN_FR
34
AU_OUT_LCH
28
AU_OUT_RCH
27
VCC (8.5V)
26
AU_IN_FL
33
AU_IN_RR
32
AU_IN_RL
31
AU_IN_SUB
30
NCO
29
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
 ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL
25
GND
24
I2C_SIO
23
I2C_SCK
22
MUTE
21
IC801  BA8271F-E2
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS_ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS_IN
CLK_IN
BU_CHECK
DATA_IN
DATA_OUT
DATA_I/O
MEX-BT39UW/BT3900U/BT3950U
32
– KEY Board –
IC901  LC75829PWH-US-H
IC601  BD9070FP-E2
PVIN
24
16
N.C.
23
INV
18
VDD
15
N.C.
14
OVP
VDD
17
FLG 10
N.C. 11
HSDSW 12
HSDSW 13
N.C.
20
FB
19
SW
22
SW
21
VIN 2
VREGB 1
HSDCTL 9
EN 8
RT 7
GND 6
PGND 5
N.C. 4
N.C. 3
CONTROL
LOGIC
DRV
LOGIC
UVLO,
TSD,
HSD UVLO
HSD UVLO
UVLO, TSD,
OVP, OCP, SCP
CHARGE
PUMP
SOFT
START
OCD
SLOPE
OSC
VREF
SYNC
VREG
UVLO
TSD
+
–
–
+
+
–
+
HSD
UVLO
SCP
–
+
SCP
OVP
OCP
+
–
OVP
R
S
PWM
ERR
PVIN
25
–
+
OCP
UVLO
TSD
DRV
48 SEG5
47 SEG6
46 SEG7
45 SEG8
44 SEG9
43 SEG10
42 SEG11
41 SEG12
40 SEG13
39 SEG14
19
SEG34
20
SEG33
17
SEG36
18
SEG35
21
SEG32
22
SEG31
23
SEG30
24
SEG29
25
SEG28
26
SEG27
27
SEG26
28
SEG25
3
COLOR1
4
COLOR2
1
BACK-LIGHT
2
DIMMER
5
SEG48
6
SEG47
7
SEG46
8
SEG45
9
SEG44
10
SEG43
11
SEG42
12
SEG41
52
COM3
51
COM4
59
VSS
58
VDD2
57
VDD1
56
VDD
64
LCD_DA
TA
63
LCD_CLK
62
LCD_CE
60
SEG52
55
SEG2
61
INH
COMMON
DRIVER
CLOCK
GENERATOR
CCB INTERFACE
SHIFT REGISTER
CONTROL
REGISTER
SEGMENT DRIVER & LATCH
13
SEG40
14
SEG39
15
SEG38
16
SEG37
29
SEG24
30
SEG23
31
SEG22
32
SEG21
38 SEG15
37 SEG16
36 SEG17
35 SEG18
34 SEG19
33 SEG20
50
SEG3
49
SEG4
54
COM1
53
COM2
Page of 48
Display

Click on the first or last page to see other MEX-BT3900U / MEX-BT3950U / MEX-BT39UW service manuals if exist.

RANDOM: