Sony MEX-BT2500 Service Manual ▷ View online
37
MEX-BT2500
Pin No.
Pin Name
I/O
Description
58
UNISI
I
Serial data input from the CD section
59
UNISO
O
Serial data output to the CD section
60
UNISCK
O
Serial data transfer clock signal output to the CD section
61
Z-MUTE
I
Muting on/off control signal input from the CD section
62
NOSESW
I
Front panel remove/attach detection signal input terminal "L": front panel is attached
63
FLASH_W
I
Flash writing mode detection signal input terminal "L": flash writing mode
64
SIRCS
I
Remote control signal input from the remote control receiver
65
BT_PLAY
O
Key signal output to the bluetooth section
66 to 69
BT_STATUS0 to
BT_STATUS3
I
Status input from the bluetooth section
70
BT_MUTE
I
Muting on/off control signal input from the bluetooth section
71
NCO
-
Not used
72
BT_TEST1
O
Test mode setting terminal for the bluetooth test mode 1
73
BT_TEST2
O
Test mode setting terminal for the bluetooth test mode 2
74
BT_FR
O
Key signal output to the bluetooth section
75
BT_FF
O
Key signal output to the bluetooth section
76
NCO
-
Not used
77
RESET
I
System reset signal input from the reset signal generator and reset switch "L": reset
78
NCO
-
Not used
79
XOUT
O
Sub system clock output terminal (32.768 kHz)
80
XIN
I
Sub system clock input terminal (32.768 kHz)
81
VSS1
-
Ground terminal
82
OSCIN
I
Main system clock input terminal (18.432 MHz)
83
OSCOUT
O
Main system clock output terminal (18.432 MHz)
84
VCC3
-
Power supply terminal (+3.3V)
85
CYRIL_SEL
I
Cyrillic letter response setting terminal "H": corresponds to cyrillic letter
86
DEMOSEL
I
Demo play setting terminal "H": demo play on
87
NCO
-
Not used
88
SYSRST
O
Reset signal output to the CD section
89
BT_STATUS_
POW
I
Power supply status input from the bluetooth section "H": bluetooth power on
90
BT_OPRPOW
O
Key signal output to the bluetooth section
91
CDON
I
CD servo power supply control request input terminal
92
CDMON
I
CD mecha power supply control request input terminal
93
BT_MFUNC
O
Key signal output to the bluetooth section
94
BT_RESET
O
Reset signal output to the bluetooth section "L": reset
95
BT_POWER_
CTRL
O
Power on/off control signal output terminal for the bluetooth section
96
BUSON
O
SONY bus on/off control signal output terminal "L": bus on
97
TESTIN
I
Test mode setting terminal "H": test mode
98
TELATT
I
Telephone muting detection signal input terminal
At input of "H", the audio signal is attenuated by 20 dB
At input of "H", the audio signal is attenuated by 20 dB
99
ACCIN
I
Accessory power detection signal input terminal "L": accessory power on
100
ATT
O
Muting on/off control signal output terminal
38
MEX-BT2500
SECTION 6
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
X-2176-834-1 PANEL ASSY, SUB (BT)
2
3-042-244-11 SCREW (T)
3
X-2108-670-1 LOCK ASSY (S)
4
2-319-911-01 PLATE (MIC SLOT)
5
2-898-980-01 HOLDER (MIC SLOT)
6
1-964-881-11 CABLE, COAXIAL (WITH U.F.L CONNECTOR)
7
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
8
A-1243-385-A MAIN BOARD, COMPLETE
(Including BT board) (AEP, UK)
8
A-1246-217-A MAIN BOARD, COMPLETE
(Including BT board) (E)
8
A-1246-218-A MAIN BOARD, COMPLETE
(Including BT board) (US, CND)
9
A-1243-387-A BT BOARD, COMPLETE
(Included in MAIN board)
10
2-021-848-01 SHEET (TU), GROUND
11
1-776-527-31 CORD (WITH CONNECTOR) (ISO) (POWER)
(AEP, UK)
11
1-833-655-11 CORD (WITH CONNECTOR) (POWER)
(US, CND, E)
12
3-250-543-21 SCREW (+B P-TITE M2)
F301
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) (10A/32V)
MIC201 1-542-689-31 MICROPHONE
TU1
TU1
A-3220-960-B TUNER UNIT (TUX-032//Q2) (E)
TU1
A-3220-961-B TUNER UNIT(TUX-032//Q3) (US, CND, AEP, UK)
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-790-01 SCREW +PTT 2.6X4 (S)
#3
7-685-793-09 SCREW +PTT 2.6X8 (S)
#4
7-685-794-09 SCREW +PTT 2.6X10 (S)
#5
7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT
6-1.
MAIN SECTION
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
•
Accessories are given in the last of the
electrical parts list.
electrical parts list.
•
Abbreviation
CND : Canadian model
CND : Canadian model
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 0
sont critiquens pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
sont critiquens pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
not supplied
not supplied
CD mechanism deck section
(MG-101TA-188//Q)
(MG-101TA-188//Q)
front panel section
not supplied
MAIN board
TU1
1
#1
#1
#1
#1
#2
#3
#3
#4
#5
F301
not supplied
not supplied
not supplied
MIC201
2
2
3
4
5
6
7
7
7
8
9
10
11
12
not supplied
(ANTENNA board)
(ANTENNA board)
A
B
B
C
C
A
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).
A CELLULAR PHONE” of the servicing note (See page 5).
39
MEX-BT2500
6-2.
FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
A-1239-389-A PANEL COMPLETE ASSY, FRONT (AEP, UK)
51
A-1239-390-A PANEL COMPLETE ASSY, FRONT (US, CND)
51
A-1267-957-A PANEL COMPLETE ASSY, FRONT (E)
52
X-2103-266-3 BUTTON ASSY (S) (US, CND, E)
52
X-2149-102-3 BUTTON ASSY (S) (AEP, UK)
53
X-2176-838-1 PANEL SUB ASSY, FRONT (AEP, UK)
53
X-2176-839-1 PANEL SUB ASSY, FRONT (US, CND, E)
54
X-2176-840-1 KNOB (VOL/BT) (SV) ASSY (S)
55
2-693-599-01 SPRING (RELEASE)
56
1-780-433-11 CONDUCTIVE BOARD, CONNECTION
57
2-683-964-01 PANEL (LCD), BACK
58
3-250-543-21 SCREW (+B P-TITE M2)
59
X-2149-228-2 CASE ASSY (for FRONT PANEL) (AEP, UK, E)
60
3-251-320-01 EMBLEM (NO. 2.5), SONY
61
3-229-100-01 SHEET (SW), ADHESIVE
CN901
1-819-758-12 PLUG, CONNECTOR 15P
J901
1-820-624-11 SMALL TYPE JACK (VERTICAL) (AUX)
LCD901 1-802-408-11 DISPLAY PANEL, LIQUID CRYSTAL
RE901
RE901
1-479-902-11 ENCODER, ROTARY
(PUSH SELECT/HANDSFREE, VOLUME)
59
LCD901
not supplied
not supplied
not supplied
not supplied
(KEY board)
(KEY board)
not supplied
not supplied
not
supplied
supplied
not
supplied
supplied
not supplied
51
52
53
60
54
55
56
57
58
58
RE901
J901
61
not supplied
CN901
(AEP, UK, E)
Note: Refer to the Servicing Notes “NOTE FOR REPLACEMENT
OF THE AUX JACK (J901)” (page 5), if replacing the Ref. No.
J901.
J901.
40
MEX-BT2500
6-3.
CD MECHANISM DECK SECTION
(MG-101TA-188//Q)
(MG-101TA-188//Q)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
A-1177-168-A MECHANICAL BLOCK ASSY
0 102
A-1177-169-A DAXEV//Q
0 103
X-2149-672-1 SERVICE ASSY, OP (DAX-25A)
104
2-626-869-01 SCREW (M2X3), SERRATION
105
3-348-998-31 SCREW (M1.4X2.5), TAPPING, PAN
106
3-352-758-31 SCREW (M1.7X2.5), TOOTHED LOCK
107
A-1177-201-A SERVO BOARD, COMPLETE
108
3-257-892-01 SPRING (DAMPER), COIL (SILVER)
109
3-257-892-12 SPRING (DAMPER), COIL (GREEN)
#6
7-627-000-08 SCREW, PRECISION +P 1.7X2.2 TYPE 3
not supplied
#6
#6
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
101
108
109
107
106
106
not supplied
not supplied
not supplied
not supplied
not supplied
102
103
105
104
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