DOWNLOAD Sony MEX-BT3800U / MEX-BT3807U / MEX-BT3850U / MEX-BT38UW Service Manual ↓ Size: 3.23 MB | Pages: 50 in PDF or view online for FREE

Model
MEX-BT3800U MEX-BT3807U MEX-BT3850U MEX-BT38UW
Pages
50
Size
3.23 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
mex-bt3800u-mex-bt3807u-mex-bt3850u-mex-bt38uw.pdf
Date
PREV: Sony MEX-DV1600U / MEX-DV1606U / MEX-DV160UE Service Manual

Sony MEX-BT3800U / MEX-BT3807U / MEX-BT3850U / MEX-BT38UW Service Manual ▷ View online

MEX-BT38UW/BT3800U/BT3807U/BT3850U
MEX-BT38UW/BT3800U/BT3807U/BT3850U
29
29
(1/4)
1
(2/4)
BOARD
7
MAIN
(4/4)
BOARD
6
MAIN
MAIN
BOARD
5
BOARD
MAIN
(2/4)
IC B/D
IC B/D
IC B/D
3.2
7
3.2
7
7
7
14.4
8.4
8.4
8.4
8.4
8.4
8.4
7
7
7
14.4
3.3
7
3.3
13.5
8.4
13.5
0 (3.3)
0 (6)
10.4
14.4
14.4
5
3.3
3.3
5
3.3
4.8
1.3
0
0
0
0
0
0
0
0
0
0
0
0
8.5
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
4.1
3.3
3.3
0
3.3
0
3.3
13.8
0
13.8
13.8
0
6
0.22
C323
220
R493
RTAN140C-T112A-1
Q484
1A4-A2
D305
0
R463
5
4
3
2
1
TK11133CSCL-G
IC502
CONT
GND
NP
VOUT
VIN
0.22
C702
100p
C474
0
R461
RT1N141C-TP-1
Q471
50V
10
C483
0.22
C312
0.01
C320
50V
1
C463
1SS355WTE-17
D470
RTAN140C-T112A-1
Q482
10k
R479
2.2k
R106
100p
C473
10k
R484
0
R301
14
10k
R480
16
1SS355WTE-17
D502
40
13
16V
47
C476
1k
R702
1
C311
10V
1000
C326
0.22
C301
52
100p
C499
1
C455
38
4.7k
R309
50V
1
C458
220
R491
0.22
C703
50V
10
C484
TU_LCH
8
42
1k
R472
0.01
C316
16V
47
C315
50V
1
C464
0
R929
220
R494
22
R470
MC2838-T112-1
D472
0.22
C324
47p
C459
0
R302
RTAN140C-T112A-1
Q485
50V
10
C480
RT1P141C-TP-1
Q490
0
R456
GND_1
220
R490
0
R464
1000p
C930
C519
1000p
100k
R500
TDA8588AJ/N2/R1
IC301
1
TA
B
2
I2C_SIO
3
OUT
-FL-
4
I2C_SCK
5
OUT
-FL+
6
VP2
7
OUT
-RL-
8
P-GND1
9
OUT
-RL+
10
SVR
11
IN-RL
12
IN-FL
13
S-GND
14
IN-FR
15
IN-RR
16
BEEP
17
OUT
-RR+
18
P-GND3
19
OUT
-RR-
20
VP1
21
OUT
-FR+
22
STB
23
OUT
-FR-
24
P-GND4
25
DIAG
26
RST
27
ANT
-REM
28
CRES
29
AMP-REM
30
AUDIO+B(8.5V)
31
SER
VO-3.3V
32
GND
33
MECHA-6V
34
PA
N
E
L+
B
35
VP
36
CBU
37
BU+B
4.7k
R701
1
C307
16V
10
C317
1A4-A2
D309
2
1
C456
220
R492
47k
R460
44
100p
C472
FB15
10k
R485
0.01
C327
36
250uH
L701
53
50V
1
C457
4
40
39
38
37
36
35
34
7
6
5
4
3
2
1
33
32
30
31
8
27
28
29
9
10
11
12
13
14
24
17
25
26
23
22
21
20
19
18
15
16
BD3447AFV-E2
IC401
BUS_RCH
BUS_LCH
TU_RCH
TU_LCH
CD_RCH
CD_LCH
AUX_RCH
AUX_GND
AUX_LCH
BT_RCH
NCO
BT_LCH
ZAP_BEEP
NCO
NCO
ZAP_BEEP
EBIAS
DS2_L
DS1_L
DS3_L
DS3_R
DS1_R
DS2_R
EBIAS
NCO
NCO
SA_CLK
SA_DA
SA_OUT
OUT_SLCH
OUT_SRCH
OUT_RLCH
OUT_RRCH
OUT_FLCH
OUT_FRCH
VCC(8.5V)
I2C_SCK
I2C_SIO
GND
FIL
10k
R483
50V
2.2
C100
43
RT1P141C-TP-1
Q470
15
49
16V
C322
47
1
C309
6.3V
330
C502
1k
R489
RT1P141C-TP-1
Q493
0.22
C313
1
C314
100p
C471
1A4-A2
D31
1
1k
R488
1SR154-400TE-25
D306
1
TU_RCH
1
C308
10k
R482
48
50V
10
C413
0.01
C325
46
2200p
C487
0
R469
8.5V
16V
10
C321
35
1A4-A2
D303
47p
C333
CN701
19P
FL+
RL+
RR+
FR+
AMP-R
ANT-R
ACC
GND
FL-
RL-
RR-
FR-
+B
TEL-ATT
ILL
TEST
+B
+B
+B
2.2
C334
1
C310
0
R468
47k
R305
1A4-A2
D310
MAZ8068GMLS0
D119
1A4-A2
D312
L1
R1
L2
R2
R3
L3
L
R
L
R
R
L
J901
6P
1
C305
0.1
C415
0
R304
RTAN140C-T112A-1
Q480
51
0.1
C501
1.5k
R462
37
1
C460
0.01
C500
0.01
C318
2200p
C486
4
3
1
2
PST8228UL
IC503
VOUT
VIN
NC
VSS
0.22
C302
11
9
1k
R473
MAZ8068GMLS0
D118
1
2
3
3P
CN410
SUB_OUT
GND
SUB_OUT
100p
C475
1SR154-400TE-25
D855
10k
R478
FB14
16V
3300
C701
7
1
C306
16V
100
C414
1A4-A2
D304
41
1N5404-C311-3
D701
10k
R506
150
R303
RTAN140C-T112A-1
Q483
0.01
C503
1
C304
10
50V
10
C482
50V
10
C485
5
0
R457
0
R306
100p
C470
50V
22
C303
16V
10
C319
12
45
47
I2C_SCK
I2C_SIO
I2C_SCK
I2C_SIO
BT_R
BT_L
(3/4)
MAIN BOARD
IC401
ELECTRICAL VOLUME, INPUT SELECT
IC503
RESET SIGNAL GENERATOR
+3.3V REGULATOR
IC502
POWER AMP,
IC301
REGULATOR
(CHASSIS)
(MONO)
SUB OUT
J401
IN
BUS AUDIO
AUDIO OUT
REAR
AUDIO OUT
FRONT
MUTING
MUTING
Q482-485
MUTING CONTROL
MUTING CONTROL
MUTING CONTROL
Q470, 471
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
10A
32V
FU701
(BT3800U: AEP, UK/BT3807U)
J
4
B
16
6
21
9
11
D
15
H
L
10
K
17
3
5
12
C
F
18
M
N
1
19
E
8
G
20
14
A
2
13
I
7
RL-
RL-
RL+
RL+
FL-
FL-
FL+
FL+
FR-
FR-
FR+
FR+
RR-
RR-
RR+
RR+
ATT
AMP REM
BATT
GND
MAX 0.3A
ACC
AMT REM
BATT
GND
FRONT LCH-
FRONT LCH+
REAR LCH+
REAR LCH-
REAR RCH+
REAR RCH-
FRONT RCH+
FRONT RCH-
ACC
GND
BATT
ATT
AMP REM
MAX0.3A
ACC
AMT REM
ANT REM
MAX0.1A
(BT3800U: AEP, UK/BT3807U)
(BT38UW/BT3800U: US, CND/BT3850U)
TO
CN701
TO
CN701
• See page 33 for IC Block Diagrams.
4-8.  SCHEMATIC  DIAGRAM  - MAIN Section (3/4) -
(Page 
28)
(Page 30)
(Page 28)
(Page 
27)
MEX-BT38UW/BT3800U/BT3807U/BT3850U
MEX-BT38UW/BT3800U/BT3807U/BT3850U
30
30
MAIN
8
BOARD
A
(3/4)
MAIN
BOARD
MAIN
BOARD
6
4
(2/4)
BOARD
KEY
CN901
(2/4)
2
(1/4)
BOARD
MAIN
1
2
0
0
3.3
0
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
1.6
3.3
3.3
3.3
1.6
0
0
0
0
3.3
0
0.2
3.3
3.3
3.3
3.3
3.3
0
0
0
0
1.6
1.7
1.5
3.2
3.1
0.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
0
0
3.2
0
0
0
0
0
0
0
1.5
1.7
3.3
1.8
0
0
0
3.3
3.3
3.3
3.3
3.3
0
0
0
0
3.3
3.3
0
0
3.3
3.3
43
29
470
R104
100k
R590
100k
R520
JL051
MA2J1110GLS0
D114
I2C_SCK
1000p
C110
470
R536
470
R534
100k
R552
48
1
C101
JL045
4.7k
R519
0.01
C515
FB566
470
R103
33
100k
R539
100k
R571
100k
R522
16V
220
C112
100k
R578
JL052
1000p
C514
R543
100k
0
R412
100
R529
44
10k
R528
100
R533
R541
100k
1
C102
4700p
C104
470
R535
JL055
21
JL054
0
R570
10uH
L110
27p
C505
1
2
3
4
5
6
7
8
8P
CN501
RESET
CLK
NCO
RX
TX
3.3V
F_WRITE
GND
0
R567
4.7
C111
LBAT54ALT1G
D400
32.768kHz
X502
10k
R530
32
RT1N141C-TP-1
Q598
JL046
31
46
0.01
C506
1
C507
100k
R551
38
100k
R521
100
R549
100k
R504
100
R547
10k
R514
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN101
GND
USB_VBUS
GND
USB_GND
KEY_GND
USB_D+
AUX_LCH
USB_D-
KEY1
AUX_RCH
RE1
AUX_GND
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
ILL+9V
PANEL(NOSE_SW)
18
MA2J1110GLS0
D111
JL050
100k
R558
4700p
C103
S101
RESET
53
R546
100k
100
R540
100
R557
7.92MHz
X501
100k
R565
23
0.01
C510
FB105
0.01
C508
MA2J1110GLS0
D112
100
R525
JL057
R542
100k
4.7k
R560
1000p
C512
0
R100
12k
R101
JL047
20
100k
R502
100
R515
R112
10
1
2
3
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
IC501
MB90F058PF-G-111-JNE1
BT_PLA
Y
BT_FR
BT_FF
BT_POWER_CTRL
BT_ST
A
TUS0
BT_ST
A
TUS1
BT_ST
A
TUS2
BT_ST
A
TUS3
XBT_RESET
BT_MFUNC
BT_OPRPOW
BT_ST
A
TUS_POW
X_OUT
X_IN
VCC
VSS
C
BT_TEST2
BT_TEST1
XNOSE_SW
XDOOR_SW
I2C_SIO
I2C_SCK
DOOR_IND
CYRIL_SEL
RE_IN0
RE_IN1
AREA_SEL2
AREA_SEL1
AREA_SEL0
B_OUT
_SEL
AVCC
AVRH
XRC_IN1
AVSS
SA_IN
VSM
TU_ATT
KEY_IN1
KEY_IN0
RC_IN0
XEXT_ATT_XEN
WAKE_UP
VSS
XKEY_ACK0
XKEY_ACK1
DAVN
LCD_CE
LCD_SO
LCD_SCK
XMD2
MD1
MD0
XRESET
UNISI
UNISO
UNSCK
RDS_ON
MC_RX
MC_TX
XTEST_IN
Z_MUTE
XILL_IN
AT
T
VCC
VSS
BU_CHECK
AMP_STB
XDIAG
EJECT_OK
SA_OUT
SA_CLK
F_AUX
BT_A
TT_XEN
VBUS_ON
XUSB_OVR
FLASH_EN0
FLASH_EN1
USB_ON
DD_ON
TEL_ATT
XACC_IN
XBUS_ON
CD_ON
CDM_ON
XSYS_RST
BT_MIC_POW
XBT_MIC_SEL
BT_MIC_DET
VCC
VSS
OSC_OUT
OSC_IN
BT_MUTE
SIRCS
BT_INT_HF
BT_CVC
ZAPPIN_BEEP
SYNC_OUT
BEEP
40
1000p
C509
1
2
3
3P
CN110
D+(USB)
D-(USB)
GND(USB)
42
100k
R517
100k
R537
22
52
0
R568
100
R505
RT1N141C-TP-1
Q599
17
30
37
41
470
R579
100k
R51
1
100
R513
100k
R526
330
R110
27p
C504
100k
R553
12k
R102
19
LRB751V-40T1G
D505
VSM
JL053
1000p
C511
100k
R538
4.7k
R556
MA2J1110GLS0
D113
10
R111
S502
I2C_SIO
JL056
D117
UDZS-TE17-6.8B
4.7k
R518
4.7k
R555
100k
R550
0.01
C513
1000p
C105
MAZ8068GMLS0
D120
RT1P141C-TP-1
Q597
100
R527
51
34
R503
100k
100
R548
100k
R572
220k
R561
100
R531
10k
R532
0
R569
100k
R585
49
10k
R516
R544
100k
R559
100k
47
45
BT_MUTE
BT_INT
ACC_IN
BT_CVC
NOSE_SW
CDM_ON
MC_RX
UNISI
MC_TX
NOSE_SW
RE0
UNISCK
I2C_SIO
SIRCS
RE1
I2C_SCK
ILL_IN
CD_ON
TEL_ATT
UNISO
BT_ON
I2C_SCK
I2C_SIO
USB_ON
DD_ON
USB_OVR
VBUS_ON
EJECT_OK
BU_CHECK
Z_MUTE
LCD_DATA
LCD_CE
LCD_CLK
WAKE_UP
RC0
RC1
KEY0
KEY1
BT_TE1
BT_FR
BT_ST2
BT_TE2
BT_POW
BT_RST
BT_ST1
BT_PLA
Y
BT_FF
BT_ST3
BT_ST0
BT_OP
BT_MF
SYS_RST
RE1
LCD_CLK
KEY1
SIRCS
LCD_CE
LCD_DATA
KEY0
RE0
LCD_+9V
BUS_ON
SYS_RST
LCD_+9V
BT3850U
SYSTEM CONTROLLER
IC501
(4/4)
MAIN BOARD
INVERTER
(NC)
(CHASSIS)
RESET SWITCH
INVERTER
(BT3800U: AEP, UK/BT3807U)
(BT3850U: E)
BT38UW/BT3800U:
US, CND/BT3850U
(BT3850U)
(2/2)
BOARD
SERVO
J
4
B
16
6
9
11
D
N
15
H
L
10
K
17
3
5
12
C
F
18
M
1
19
E
8
G
14
A
2
13
I
7
FREQUENCY
BT3800U: AEP, UK/
SELECT
9k
10k
R501
100k
R545
(BT3807U)
100k
BT3850U: EA
BT3800U/
BT38UW/
BT3850U
BT3800U/
BT38UW/
BT38UW/BT3800U:
US, CND/BT3807U
BT3807U
BT3800U/
BT38UW/
0.1
C122
D115
D116
• See page 24 for Waveforms.    • See page 37 for IC Pin Function Description.
4-9.  SCHEMATIC  DIAGRAM  - MAIN Section (4/4) -
(Page 
27)
(Page 
28)
(Page 29)
(Page 28)
(Page 
32)
MEX-BT38UW/BT3800U/BT3807U/BT3850U
MEX-BT38UW/BT3800U/BT3807U/BT3850U
31
31
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
Z
. m
SEEK –
M M=
SEEK +
RE901
(VOLUME)
1-880-412-
1-880-412-
1-880-413-
(21)
21
(21)
21
(21)
21
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LCD BACK
LIGHT
(RING ILLUMINATION)
LED924,925,928,929
LED912, S905
(ILLUMINATION)
LED907, 932
(ILLUMINATION)
LED909,934
LED914, S902
LED903, S901
SOURCE
OFF
LED910, S903
LED919, S904
LED921, S906
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
ZAP
LED916,S907
LED901
DISC SLOT
INDICATOR
LED905
1
5
6
4
IC902
1
16
17
32
33
48
64
1
19
2
20
FB902
FB903
FB901
W001
W002
W003
BRN
RED
ORG
BRN
RED
ORG
IC901
1
52
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW913
LED901
LED903
LED905
LED910
LED912
LED914
LED916
LED919
LED921
LED924
LED925
LED928
LED929
LED932
LED907
LED909
LED934
CN902
R922
R923
R924
R929
R930
R935
R948
S901
R962
S902
S903
S904
S905
S906
R967
S907
R974
R975
RE901
B C E
E C B
49
R899
Q901
Q907
L901
VDR900
VDR901
VDR907
R900
R904
R905
R906
R907
R908
R909
R910
R911
R914
R915
R916
R917
R918
R919
CN901
R920
R921
R925
R926
R928
R931
R933
R934
C901
C902
C903
C904
R942
C906
R943
C909
R945
R946
R949
C910
C911
C912
R952
R953
R958
R959
R963
R966
R932
R970
R971
R976
R977
R983
R984
R985
R989
R990
R991
R998
R999
D901
D902
D906
D907
D908
D909
D910
D911
D912
W004
W005
W006
2
3
1
4
J901
AUX
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
A1
A2
K1
K2
S1
S2
LSW905 – 913
S901 – 907
LED901, 903, 905, 907, 909,
LED910, 912, 914, 916, 919,
LED921, 924, 925, 928, 929,
LED932, 934
A
K
K
A
A
K
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
 ALBM – 
1
 ALBM + 
2
BTM
(BT38UW/BT3800U: US, CND)
(BT3800U: AEP, UK/BT3807U)
(BT3850U)
PTY
AF/TA
CAT
BTM
BLUETOOTH
BT
KEY BOARD   
(COMPONENT SIDE)
KEY BOARD  
(CONDUCTOR SIDE)
S1
S2
S3
S4
K
A
K
A
K
A
K
A
K
MODE
A
REP
3
SHUF
4
MIC
5
PAUSE
6
SCRL
DSPL
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
A1
A2
K1
K2
S1
S2
S1
S2
S3
S4
PUSH ENTER/
SELECT/
1
2
5
3
ROTARY
ENCODER 
A
MAIN BOARD
CN101
A
K
K
A
4-10.  PRINTED  WIRING  BOARDS  - KEY Section -
• 
 : Uses unleaded solder.
• See page 24 for Circuit Boards Location.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR 
(CN902)” (See page 5), if replacing the Ref. No. CN902.
(Page 26)
MEX-BT38UW/BT3800U/BT3807U/BT3850U
MEX-BT38UW/BT3800U/BT3807U/BT3850U
32
32
BOARD
MAIN
A
CN101
(4/4)
IC B/D
5.1
5
5.1
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.1
3.4
1.8
2.6
2.6
0.3
3.2
3.1
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
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
5.1
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
0.3
0.3
IC901
IC902
C
8
6
G
7
H
13
11
10
12
E
B
5
1
4
I
2
F
9
J
A
D
3
KEY BOARD
VCC
OUT
GND1
GND2
RS-470
IC902
NESW505CT-AST
LED901
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
LIQUID CRYSTAL DISPLAY DRIVER
BACK-LIGHT
DIMMER
COLOR
BLINK
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
MA2J1
110GLS0
D901
D902
MAZ8051GMLS0
C901
0.1
C902
0.1
1M
R904
C904
0.47
C906
0.1
R906
150
R907
150
R905
100
MAZ8180GMLS0
D906
RE901
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
220
R909
220
R910
220
R911
1.2k
R963
180
R966
180
R967
180
R970
180
R971
180
0.1
C903
0
R914
LED903
CL-197HB1E-D-T
R990
560
R991
680
R989
560
MAZ8068GMLS0
D907
MAZ8068GMLS0
D908
MAZ8068GMLS0
D909
MAZ8068GMLS0
D910
MAZ8068GMLS0
D912
3
1
2
4
L901
MAZ8068GMLS0
D91
1
0
R918
0
R919
100
R915
100
R916
100
R917
VDR900
VDR901
VDR907
LCD901 LIQUID CRYSTAL DISPLAY
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20P
CN901
GND
USB_VBUS
GND
USB_GND
KEY_GND
USB_D+
AUX_LCH
USB_D-
KEY1
AUX_RCH
RE1
AUX_GND
RE0
KEY0
LCD_CE
SIRCS
LCD_CLK
LCD_DATA
ILL_+B
PANEL(NOSE_SW)
R935
3.3k
R962
180
C910
100p
C911
100p
C909
100p
C912
0.1
R942
470
R943
470
R949
470
R948
470
LED912
CL-197HB1E-D-T
LED910
CL-197HB1E-D-T
LED914
CL-197HB1E-D-T
R952
470
R953
470
LED916
CL-197HB1E-D-T
LED919
CL-197HB1E-D-T
LED921
CL-197HB1E-D-T
R959
470
R958
470
R984
680
R985
1k
R983
680
LED905
CL-197HB1E-D-T
LSW91
1
LSW907
LSW910
LSW913
LSW912
LSW906
LSW909
LSW908
S907
S902
S901
S903
S904
S906
S905
LED925
SL-194S-WS-SD-T
LED928
SL-194S-WS-SD-T
R977
1.8k
R976
1.5k
R974
1.5k
LED929
SL-194S-WS-SD-T
LED924
SL-194S-WS-SD-T
R975
1.2k
R998
0
R945
10
R946
10
1
2
3
4
CN902
6P
RT1N140C-TP-1
Q901
RT1N140C-TP-1
Q907
LED DRIVE
LED934
CL-197HB1E-D-T
R900
470
LED932
CL-197HB1E-D-T
R899
470
LED909
CL-197HB1E-D-T
LED907
CL-197HB1E-D-T
10
R999
LSW905
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
3
1
2
4
5
6
3
1
2
4
5
6
J901
FB901
FB903
FB902
DATA
CLK
CE
CE
CLK
DATA
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
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]
AUX_LCH
AUX_RCH
AUX_GND
AUX_GND
AUX_RCH
AUX_LCH
W006
JACK BOARD
AUX
W002
W003
W005
W001
W004
6
5
VBUS-USB
D–
D+
GND-USB
(DISC SLOT INDICATOR)
(ILLUMINATION)
(ILLUMINATION)
(ILLUMINATION)
(ILLUMINATION)
ZAP
ROTARY
ENCODER
PUSH ENTER/
SELECT/
(VOLUME)
SEEK +
MODE
SEEK –
ZAP
RECEIVER
REMOTE CONTROL
3
1
2
4
(LCD BACK LIGHT)
LED DRIVE
LED924, 925, 928, 929
(RING ILLUMINATION)
SEEK +
SEEK –
SOURCE
OFF
SOURCE
OFF
MODE
SCRL
DSPL
PAUSE
6
MIC
5
SHUF
4
REP
3
ALBM +
2
ALBM -
1
PTY
AF/TA
BTM
(BT3850U)
CAT
BTM
BLUETOOTH
BT
1
2
5
4
3
(BT38UW/BT3800U: US, CND)
(BT3800U: AEP, UK/BT3807U)
CN902
4-11.  SCHEMATIC  DIAGRAM  - KEY Section -
(Page 30)
• See page 33 for IC Block Diagrams. 
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR 
(CN902)” (See page 5), if replacing the Ref. No. CN902.
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