Sony MEX-BT4000E / MEX-BT4000P / MEX-BT4000U / MEX-BT4050U / MEX-BT4054U Service Manual ▷ View online
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
25
25
5-2. BLOCK DIAGRAM - MAIN Section -
A
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
SYSTEM CONTROLLER
IC501 (2/3)
AU_OUT_FL 36
AU_OUT_RL
AU_OUT_SL 40
FL+
FL–
4
1
9
FR+
FR–
2
12
RL+
CN301 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
11
10
3
RR–
MUTING
Q406
MUTING
Q404
MUTING
Q402
: TUNER
: AUX
: AUDIO
IN-RL
11
IN-FL
12
I2C_SDA
2
I2C_SCL
4
OUT-RL- 7
OUT-RL+ 9
OUT-FL- 3
OUT-FL+ 5
OUT-RL- 7
OUT-RR+ 19
OUT-FR- 23
OUT-FR+ 21
IN-RR
15
IN-FR
14
FRONT
AUDIO OUT
L
REAR/SUB
AUDIO OUT
R
L
R
DIAG
25
STB
22
BEEP
16
R-CH
R-CH
47 HIT2_SDA
48 HIT2_SCL
49 HIT2_RESET
48 HIT2_SCL
49 HIT2_RESET
30
I2C_SDA
29
I2C_SCL
59
DIAG
60
AMPSTB
28
BEEP
58
ATT
J1
(ANTENNA IN)
TU_LCH
5
I2C_SDA
23
I2C_SCL
22
AU_OUT_SR 39
AU_OUT_FR 35
: SIRIUS/XM
B
PRE_R
PRE_L
27
AU_OUT_RCH
28
AU_OUT_LCH
30 AU_IN_SUB
FL, FR, RL, RR, SUB
34 AU_IN_FR
33 AU_IN_FL
SUB
FR
FL
31 AU_IN_RL
RL
32 AU_IN_RR
RR
XM_LCH
11
AUX_LCH
8
XM_RCH
13
MUTING
CONTROL
Q407, 409
MUTING
Q401
MUTING
Q403
MUTING
Q405
SIGNAL PATH
(US, CND)
(US, CND)
J402
FRONT
AUDIO OUT
L
REAR
AUDIO OUT
R
L
R
J403
D403
A_ATT
F
CN01
TUX-DSP02 (FM/AM TUNER UNIT)
AUDIO_OUT_L
RF_ANT_IN
SDA
SCL
RSTN
AUDIO_OUT_R
CN802
1
4
FP1
14
FP2
17
FN1
15
FN2
16
6
2
10
9
SIRIUSXM IN
J901
AUX
XM_TX
35
XM_RX
36
XM_POWER EN
37
BUFFER
IC830, 831
F3
B/U B+
38
AU_OUT_RR 37
SUB OUT
(MONO)
US, CND,
E, SA,
MX, IND
US, CND,
E, SA,
MX, IND
(AEP, RU, UK)
(AEP, RU, UK)
(US, CND, E, SA, MX, IND)
BT BOARD
(PATTERN ANTENNA)
MIC201
LCH_P
RCH_P
LCH_N
RCH_N
D204
BU +3.3V
MIC B+
MIC+_IN
MIC_OUT
B+ SWITCH
Q201, 202
MIC INPUT
SELECT
IC201
MODULE_PON
UART_RTS
RESET
BT_POWER
87
BT_CTS
85
UART_CTS
BT_RTS
84
BT_RESET
86
BT_MIC_DET
88
UART_TX
UART_RX
BT_RX
78
MUTE
BT_MUTE
67
BT_TX
77
MIC IN
(RU, E, SA, MX, IND)
(RU, E, SA, MX, IND)
(US, CND, AEP, UK)
RESET
C
(RU, E, SA, MX, IND)
: Bluetooth
: MIC
: Indian model
Abbreviation
IND
: Mexican model
MX
: Russian model
RU
: Canadian model
CND
: Saudi Arabia model
EA
(AEP, RU, UK)
(AEP, RU, UK)
(Page 24)
(Page 24)
(Page 26)
(Page 24)
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
26
26
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
SYSTEM CONTROLLER
IC501 (3/3)
LIQUID CRYSTAL DISPLAY DRIVER
IC901
ACC
7
AMP-REM
ANT-REM
ANT-REM
5
6
6
19
+B
16
B/U B+
18
REGULATOR
IC301 (2/2)
CN301 (2/2)
AUDIO+B (8.5V)
30
VP2 6
+8.5V
AMP-REM 29
SERVO-3.3V
31
PANEL+B
34
BU+B
37
BU +3.3V
VP1 20
IC830, 831 VCC
MECHA-6V
33
+3.3V
REGULATOR
IC402
RESET SIGNAL
GENERATOR
IC403
ACCESSORY
CHECK
Q301
ACC_IN 57
VP 35
TEL-ATT
13
TEL ATTENUATION
DETECT
Q303
TELATT 56
ILL
14
DIMMER
DETECT
DETECT
Q302
ILL_IN 83
RESET 12
BT_MIC_ON 93
BU_IN
E
RESET
D
RESET
C
ILL +B
DR_6V
VDD_3.3V
EN_USB 50
FLT_USB 52
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
EN_SYS 53
BUIN 19
SYNC_OUT 26
FU301
F4
USB_VBUS
VIN 3
2 LX
USB_IN 7
5 USB_OUT
DC/DC CONVERTER
IC1300
SYNC
8
EN_SYS
4
EN_USB
12
FL
T_USB
9
D805
D806
BATTERY
CHECK
Q802
BACK UP
VOLTAGE
DETECT
Q801, 803
NOSE_SW
S951 - 957,
S959 - 966
(FRONT PANEL KEY)
RC_IN1
18
RC_IN0
97
J801
REMOTE IN
(VOLUME)
LED DRIVE
Q900 - 908
LIQUID CRYSTAL DISPLAY
LCD901
LED903
(KEY ILLUMINATION)
LED902
(RING ILLUMINATION)
82 RE_IN0
81 RE_IN1
81 RE_IN1
ROTARY
ENCODER
RE901 (2/2)
91 KEYACK0
92 KEYACK1
G
3
B
4
R
2
LED900
(LCD BACK LIGHT)
LCD_CE
100
LCD_CLK
2
LCD_SO
1
94 KEYIN1
ROTARY
ENCODER
RE901 (1/2)
95 KEYIN0
OSCOUT
OSCIN
X501
7.92MHz
X502
32.768kHz
XOUT
XIN
13
15
11
10
SIRCS
4
REMOTE CONTROL
RECEIVER
IC902
PUSH ENTER/
SELECT/
S1 – S48
SEG2 – SEG48,
SEG52
SEG52
48
COM1 – COM4
COM1 – COM4
4
19
19
CN901
CN102
3
B+ SWITCH
Q203, 204
IC201 VCC
(Page 25)
(Page 24)
(Page 24)
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
27
27
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
• C : Panel designation.
• C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Power voltages is dc 14.4V and fed with regulated dc
• Power voltages is dc 14.4V and fed with regulated dc
power supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM)
( ) : CD PLAY
( ) : CD PLAY
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
f :
TUNER
J :
CD
d :
USB
h :
SIRIUS/XM
E :
AUX
a :
Bluetooth
N :
MIC
• Abbreviation
CND : Canadian model
EA
CND : Canadian model
EA
: Saudi Arabia model
IND
: Indian model
MX
: Mexican model
RU
: Russian model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
• Indication of transistor.
C
B
These are omitted.
E
Q
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Abbreviation
CND : Canadian model
EA
CND : Canadian model
EA
: Saudi Arabia model
IND
: Indian model
MX
: Mexican model
RU
: Russian model
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Circuit Boards Location
MAIN board
SENSOR board
SERVO board
KEY board
– Front panel –
– Main unit –
BT board
ANTENNA board
Note 1: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD
OR SYSTEM CONTROLLER (IC501) REPLACING” on
page 4.
OR SYSTEM CONTROLLER (IC501) REPLACING” on
page 4.
Note 2: When the complete BT board or complete MAIN board (in-
cluding BT board) is replaced, it is necessary to confi rm op-
eration. Refer to “BLUETOOTH FUNCTION CHECKING
METHOD USING A CELLULAR PHONE” on page 7.
eration. Refer to “BLUETOOTH FUNCTION CHECKING
METHOD USING A CELLULAR PHONE” on page 7.
Note 1: When the complete MAIN board is replaced, the destination
setting is necessary. Refer to “NOTE THE MAIN BOARD
OR SYSTEM CONTROLLER (IC501) REPLACING” on
page 4.
OR SYSTEM CONTROLLER (IC501) REPLACING” on
page 4.
Note 2: When the complete BT board or complete MAIN board (in-
cluding BT board) is replaced, it is necessary to confi rm op-
eration. Refer to “BLUETOOTH FUNCTION CHECKING
METHOD USING A CELLULAR PHONE” on page 7.
eration. Refer to “BLUETOOTH FUNCTION CHECKING
METHOD USING A CELLULAR PHONE” on page 7.
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
28
28
5-4. PRINTED WIRING BOARD - MAIN Section (1/2) (US, Canadian, E, Mexican and Indian models) -
•
: Uses unleaded solder.
Note 1: When IC501 is replaced, the destination setting is necessary. Refer
to “NOTE THE MAIN BOARD OR SYSTEM CONTROLLER
(IC501) REPLACING” on page 4.
(IC501) REPLACING” on page 4.
Note 2: C741, C743, C745, CN501, CN601, CN602, R662 to
R666 have been deleted in the midway of production.
9
16
8
1
B E
21
20
40
1
1
100
76
75
26
25
50
51
100
80
81
50
51
30
31
76
75
50
51
1
100
26
25
R400
R401
R404
C1310
R405
R411
C1311
C1312
R407
C1315
R409
C1316
C1317
R600
FB610
R601
FB611
R602
FB612
R603
R410
R605
R606
R607
D1300
R1300
R1302
R613
R614
R421
R1305
R615
R422
R616
R423
R1307
R617
R424
IC1300
R1308
R618
R619
R429
R814
R1310
R620
R1311
R621
R1312
Q682
R1313
R623
Q683
R818
R430
R819
R1315
R432
C203
R433
R629
R820
C401
C403
R637
R638
C409
R639
R830
R831
C601
R833
R834
C411
C605
R641
R835
R836
C606
R642
C413
C607
C414
C608
R644
C415
C609
R645
C416
R646
R647
R648
C419
R649
C610
X601
C612
C613
C420
C614
C615
C422
C616
R652
C617
R653
C424
R654
C425
R655
R656
R657
R658
R855
R661
R856 R857
R667
R668
R669
R864
TP718
R865
TP719
R671
R672
TP333
R673
TP334
R674
R675
R676
C830
TP720
TP721
C831
TP722
TP723
TP724
R870
R871
R872
R873
R874
R680
C450
R875
R681
C451
R682
C452
R683
FB694
R684
FB695
R686
FB696
C457
R687
R688
FB698
Q301
R689
Q302
TP732
TP733
TP734
TP735
TP736
TP737
TP738
R690
D401
TP739
R691
R692
R693
D403
R695
R697
TP740
TP741
TP742
TP743
F3
D805
D806
Q710
IC401
IC403
C680
IC601
C681
C682
C876
C683
C685
C686
C687
C688
C689
C690
FB501
R552
R300
R301
R302
R303
R304
R305
R306
R307
R308
R309
R116
R501
IC830
R311
IC831
R312
R313
R314
R121
R315
R122
R316
R317
R510
R511
R513
FB717
R514
FB718
R515
FB719
R322
R516
R517
R518
R710
FB720
R711
FB721
R712
FB722
FB724
R714
R521
R715
R522
R716
R523
R717
C100
R524
R718
R525
R719
R528
R529
R720
R721
R722
R723
R724
R531
R725
R532
R726
C303
R533
R727
R534
R728
R340
R535
R729
R536
C308
R538
L1300
C309
R539
L1301
CL003
CL004
R730
R731
C502
R732
R733
C504
R541
C312
R542
R736
C507
C313
R543
R737
R738
C508
C314
R544
R10
C315
R739
R546
C317
R547
R548
IC680
C319
R549
IC681
IC682
C510
FB750
R740
X501
FB751
R741
C512
R742
C513
R743
C514
R744
C321
R745
R746
C323
R553
R747
C518
R748
R555
R749
R556
C326
R557
C329
X701
C711
C712
C713
C520
C714
R750
C521
C715
R751
C522
FB762
C523
C717
C330
R560
C718
R561
C331
C719
R562
R563
R565 R566
R567
C720
R569
C721
C722
R378
C724
C725
R761
C726
C727
R763
R570
C728
R764
R571
C729
R572
R573
R574
R576
R577
C730
C732
C733
FB398
C734
C735
FB782
C737
C738
C739
R584
R587
C742
TP633
C744
TP634
TP635
C746
C747
C748
Q401
Q402
Q403
D307
Q404
D308
C750
Q405
C751
C752
Q407
C753
C754
Q409
C756
C759
C761
C764
CAM001
Q801 Q802
CAM002
C766
CAM003
Q803
C767
C768
D321
D323
C771
C772
IC501
C776
C777
C778
C779
C398
IC701
C782
C783
C784
D530
C786
C787
C788
C789
D731
C792
TP682
C11
C15
C1301
C1304
C1305
C1306
C1307
C1308
C1309
C877
C878
C200
C204
C206
C207
C208
C209
C210
C211
C212
C213
C214
R318
D301
C397
C505
CN201
D200
D201
D202
D203
D204
FB201
FB202
6
1
3
3
4
IC201
4
1
5
8
IC505
Q201
Q202
Q203
Q204
Q303
R320
R321
R200
R203
R204
R205
R206
R209
R202
R208
R210
R211
R212
R213
R214
R215
R216
R217
R218
R219
R412
R414
R425
R427
R442
R443
R505
R550
R815
R1317
R1318
5
1
1
8
CN601
CN501
C741
C743
C745
1
6
CN602
R662
R663
R664
R665
R666
(CHASSIS)
(CHASSIS)
E
E
E
E
E
K
A
E
E
E
E
E
E
X501, X701
K
A
E
E
E
E
(CHASSIS)
MAIN BOARD
(COMPONENT SIDE)
1-884-818-
21, 22
1
5
6
10
11
15
16 20
1
1
3
3
4
5
3
5
4
5
1
4
3
1
4
8
5
1
2
3
4
(US, CND)
(US, CND)
(US, CND)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
1
3
MIC IN
1
3
E
E
E
E
(US, CND)
(US, CND)
(E, MX, IND)
(E, MX, IND)
9
10
MJ1
(NC)
(NC)
(NC)
• See page 27 for Circuit Boards Location.
Ver. 1.1
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