Sony MEX-BT2500 Service Manual ▷ View online
25
MEX-BT2500
4-5. CD error information display mode
4-5-1. Error description
4-5-1. Error description
4-5-2. Disc type and operating hours
The display mode is switched by each rotation of [2/ALBM +] or
[1/ALBM --] keys during the CD error information display mode.
[1/ALBM --] keys during the CD error information display mode.
Error description
(in hexadecimal
format)
(in hexadecimal
format)
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
0 5 1 X X
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
05: CD error information
05: CD error information
Disc type
0 5 1 X X X X X
CD error info history 1 (latest)
Error description plus error details display
Error description plus error details display
CD error info history 3
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 3
Error description plus error details display
Error description plus error details display
CD error info history 2
Disc type plus operating hours display
Disc type plus operating hours display
CD error info history 2
Error description plus error details display
Error description plus error details display
CD error info history 1 (latest)
Disc type plus operating hours display
Disc type plus operating hours display
0 5 1 X X X X X
0 5 2 X X
0 5 2 X X X X X
0 5 3 X X
0 5 3 X X X X X
0 5 1 X X
Error information
Indication
Description
1X
SERVO ERROR
3X
LOADING ERROR
4X
TRACK JUMP
5X
TEXT ERROR
FX
MECHA ERROR
Disc type
Indication
Disc type
0
MP3
1
WMA
2
AAC
3
ATRAC
8
CD/DA
F
UNKNOWN
4-6. OFFSET/FAILURE error display mode
The display mode is switched by each rotation of [2/ALBM +] or
[1/ALBM --] keys during the OFFSET/FAILURE error display mode.
[1/ALBM --] keys during the OFFSET/FAILURE error display mode.
Operating hours
Recency of information
1-3: 1 represents the latest.
1-3: 1 represents the latest.
Diag code
06: OFFSET/FAILURE
06: OFFSET/FAILURE
Error description
(0: OFFSET, 1: FAILURE)
(0: OFFSET, 1: FAILURE)
0 6 1 X X X X X
OFFSET/FAILURE error history 1 (latest) display
OFFSET/FAILURE error history 3 display
OFFSET/FAILURE error history 2 display
0 6 2 X X X X X
0 6 3 X X X X X
0 6 1 X X X X X
26
MEX-BT2500
MEMO
MEX-BT2500
27
27
MEX-BT2500
SECTION 5
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• C
: panel designation.
• A
: B+ Line.
•
Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
supply from ACC and BATT cords.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
under no-signal (detuned) conditions.
no mark : TUNER
(
) : CD PLAY
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: AUDIO
f
: TUNER
J
: CD PLAY
p
: BLUETOOTH OUT
l
: BLUETOOTH IN
N
: MIC
E
: AUX IN
•
Abbreviation
CND : Canadian model
CND : Canadian model
Note on Printed Wiring Board:
• 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.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
•
Circuit Boards Location
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
MAIN board
SENSOR board
SERVO board
KEY board
front panel section
main unit section
TUNER UNIT
(TU1)
(TU1)
BT board
ANTENNA board
MEX-BT2500
28
28
MEX-BT2500
5-1. PRINTED WIRING BOARDS – MAIN Section –
•
See page 27 for Circuit Boards Location.
•
See page 27 for Semiconductor Location.
: Uses unleaded solder.
TU1
S501
S103
D303
D307
C316
C314
X50
R705
D301
C701
J1
X501
CN350
D306
D305
X502
C1
C2
C5
C317
C828
C840
C841
JW8
JW22
JW31
JW32
JW34
JW35
JW23
JW24
JW37
JW98
JW102
JW101
JW38
JW30
JW29
JW28
CN701
JW20
JW21
JW36
JW27
JW26
JW25
C303
JW78
JW79
JW95
JW112
JW113
JW82
JW88
C604
C404
C405
C511
C503
C451
JW40
JW42
JW43
C460
JW44
JW45
JW46
JW47
C456
JW48
C457
JW49
JW50
JW52
JW53
JW54
JW55
JW56
JW57
JW58
C410
JW59
C411
JW60
JW61
JW62
JW63
JW64
JW65
C413
JW66
C422
JW67
C430
C441
C418
JW68
C421
JW69
JW70
JW71
JW72
JW73
JW74
JW75
C57
JW39
JW1
JW2
JW3
JW4
JW5
JW6
JW7
D310
D309
JW10
JW12
IC300
JW13
JW14
JW15
JW16
JW17
JW18
JW19
JW33
JW80
JW81
JW83
JW84
JW85
L700
D707
JW86
JW87
JW90
JW91
JW92
JW77
JW93
JW94
JW96
JW100
JW104
JW105
JW106
JW107
D308
JW108
JW111
JW115
JW117
JW118
JW119
JW120
JW121
JW122
JW109
JW110
C801
JW41
JW123
JW124
JW97
JW114
JW126
JW127
JW116
JW51
JW129
JW130
CN300
JW125
JW131
CN805
C520
C521
JW9
JW76
JW103
D311
D312
C491
C306
C308
CN804
JW11
JW128
R507
R545
R546
R538
R540
R526
D503
C515
C516
C703
D493
C704
C509
R8
R9
L50
R570
C7
C313
C315
D703
D702
R706
C702
R708
R707
C307
IC602
C309
IC50
C330
C304
R537
R551
R573
R524
R523
R534
R557
R544
R525
R520
C320
JC4
C504
R511
R512
R510
C513
R561
L4
R517
L501
R563
C519
C312
D2
R531
Q491
Q492
R491
D491
R52
Q1
R1
R2
R4
R5
R10
C3
C6
L1
R12
R13
R6
R7
C8
JC5
R532
JC12
JC13
R302
C319
JC30
JC29
C318
R301
JC14
JC31
JC9
C501
R567
C514
R565
R504
R505
R521
R522
R503
R502
JC25
C512
C58
C52
Q50
C51
C50
C53
Q702
R550
R552
JC38
R556
C510
R509
R566
JC26
C800
C827
IC901
R836
R837
R838
R839
R841
R842
R843
R845
R846
R833
R834
R835
R3
JC27
JC1
D800
Q580
D581
D580
R582
R583
Q581
Q582
R584
R585
Q802
Q803
Q804
Q805
R831
R832
R554
R541
R529
R533
R709
C602
C603
R608
R607
D602
R609
R610
C601
C600
R605
R604
R603
R602
R612
R614
R615
R613
C605
IC401
R59
C705
R543
R547
R548
C452
R454
D452
C461
FB454
FB455
R451
C453
FB451
C454
R452
FB456
C455
FB452
C458
FB457
FB453
L451
FB458
R453
D451
C406
C407
R410
R411
R412
C414
C415
Q410
R422
R423
C423
C424
R430
R431
R432
Q430
C431
C432
R440
R441
Q440
C442
C443
R442
C419
L301
C4
R50
R53
R51
C54
C55
C56
R54
R55
C62
C61
C60
L52
C59
L51
R56
R57
D103
D104
D108
D502
R519
C325
C301
D705
C706
C305
JC55
Q500
JC50
JC53
R528
JC80
C507
C508
R506
Q807
R810
Q806
R811
Q808
R569
JC56
R542
R558
D801
Q420
R679
R536
C887
JC10
JC11
JC15
C889
FB800
R844
IC501
R840
R455
R800
R801
R617
JC2
Q3
R420
CN1
R1
1-873-269-
11
A
KEY BOARD
CN901
1
2
4
3
MAIN BOARD
(CHASSIS)
(ANTENNA IN)
(TUNER UNIT)
F301
(CHASSIS)
RESET
(CHASSIS)
9k
r
r
10k
(FREQUENCY SELECT)
(E)
(US, CND)
(US, CND, E)
(US, CND, AEP, UK)
(US, CND, AEP, UK)
(AEP, UK)
(AEP, UK, E)
(AEP, UK)
(AEP, UK)
(AEP, UK)
(US, CND, E)
SERVO
BOARD
BOARD
BT BOARD
MIC201
SENSOR
BOARD
CD MECHANISM
DECK BLOCK
(MG-101TA-188)
1
9
WHT/BLK
WHT
GRN/BLK
GRN
VIO/BLK
VIO
GRY/BLK
GRY
BLU
RED
YEL
BLK
FRONT LCH (–)
FRONT LCH (+)
REAR LCH (–)
REAR LCH (+)
REAR RCH (–)
REAR RCH (+)
FRONT RCH (–)
FRONT RCH (+)
ANT REM MAX 0.1A
ACC
BATT
GND
2
10
3
11
4
12
5
13
6
14
7
15
8
16
1
9
WHT/BLK
GRN/BLK
VIO/BLK
GRY/BLK
WHT
GRN
VIO
GRY
BLU
RED
BLK
2
10
3
11
4
12
5
13
6
14
7
15
8
16
RL+
RL–
GRN/BLK
WHT/BLK
GRY/BLK
VIO/BLK
GRN
WHT
GRY
VIO
FL+
FL–
FR+
FR–
RR+ RR–
ACC GND
BLK
YEL
RED
BLU
ANT REM
NC
NC
BATT
NC
NC
TO
CN300
(AEP, UK)
(US, CND, E)
YEL
1-873-271-
11
(11)
ANTENNA BOARD
(SIDE A)
1-873-271-
11
(11)
ANTENNA BOARD
(SIDE B)
(US, CND, E)
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
12
(Page 32)
Note: When the BT board is replaced, it is necessary to confirm
operation.
Refer to “BLUETOOTH FUNCTION CHECKING METHOD
USING A CELLULAR PHONE” of the servicing note (See
page 5).
Refer to “BLUETOOTH FUNCTION CHECKING METHOD
USING A CELLULAR PHONE” of the servicing note (See
page 5).
Click on the first or last page to see other MEX-BT2500 service manuals if exist.