Read Sony MEX-BT2500 Service Manual online
MEX-BT2500
31
31
MEX-BT2500
5-4. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
•
See page 34 for IC Block Diagrams.
Q3
C3
C6
R2
R3
R10
C2
C7
R4
R5
C8
C5
D2
R9
C423
C414
C431
C442
R440
R
420
R410
R
430
R423
R412
C421
C424
C415
C432
C443
D108
IC901
R614
D602
R612
R604
R605
C602
C603
D103
R431
R441
C430
C441
Q430
Q440
R432
R442
C404
C405
C418
R422
C422
R411
C413
D104
C600
C601
JC26
JC25
CN701
C406
C407
Q420
Q410
IC401
C419
R610
R609
R608
R607
R613
R603
R602
JC5
J1
TU1
R1
C4
R8
L1
2.2
µ
H
R12
R13
L4
R6
R7
C1
R617
R615
C605
Q50
R54
R55
L50
2.2
µ
H
C58
R57
C61
C62
C59
C60
R59
X50
IC50
R56
C50
R50
C51
C52
C53
R53
R52
C55
C56
C54
R51
C57
JW8
JC10
C604
Q1
L51
L52
2SC6027
0.01
0.01
33k
68k
1k
47
16V
0.01
33k
68k
0.01
47
16V
MA8056M
68k
1
1
1
1
100
100
100
100
10k
10k
10
50V
1
1
1
1
MA8180M
NJM12902V
100k
MA8068-M
2.2k
1k
1k
0.0047
0.0047
MA8068M
1k
1k
10
16V
10
16V
RT1N140C
RT1N140C
10k
10k
1 50V
1 50V
220
10V
10V
1k
10
50V
1k
10
50V
MA8068M
1
1
0
0
15P
0.22
0.22
RT1N140C
RT1N140C
BD3444FS
0.01
12k
12k
470
470
2.2k
47k
47k
0
100
0.1
33k
4.7
50V
0
2.2
0.01
2SA1235TP-1EF
10k
1k
330p
0
15p
15p
100p
100p
220
8.664MHz
TDA7333013TR
10k
0.1
10
0.1
0.1
0.1
100k
0.1
0.1
0.1
10
47 16V
0
2.2
50V
50V
RT1N441C-TP-1
100
100
IN-FL
IN-FR
+8.3
IN-RR
IN-RL
SGND
+B
B+
CD-LCH
CD-RCH
+3.3V
DGND
RDS_ON
C
C
D
E
F
E2PSIO
E2PSCL
QUALITY
NS-MASK
TU-ATT
TU_ATTIN
KEY1
KEY0
L_CE
L_CLK
L_DA
SCL
SDA
RE0
RE1
AUX-RCH
AUX-LCH
NOSESW
AUX-LCH
AUX-RCH
SIRCS
BT_AUDIO_L
BT_AUDIO_R
VOLATT
SCL
SDA
DAVN
SCL
SDA
VSM
KEY-1
KEY-0
CE-LCD
DATA-LCD
CLK-LCD
PANEL
+B
RE-1
D-GND
AUX-RCH
AUX-LCH
RE-0
AUX-GND
KEY-GND
SIRCS
(3/3)
(ANTENNA IN)
(TUNER UNIT)
(CHASSIS)
LINE AMP
NS DET
DISCHARGE
SWITCH
(AEP,UK)
(AEP,UK)
(US,CND,E)
MUTING
Q410,420,430,40
+5V
REGULATOR
B+ SWITCH
ELECTRICAL VOLUME,INPUT SELECT
RDS DECODER
(AEP,UK)
ANT
GND
R
L
QUALITY
S-METER
TUN_MUTE
MUTE_CON
RDS_OUT
VDD5V
GND
SCL
SDA
E2PVDD
E2PSCL
E2PSDA
VCC8.3V
BUS-RCH
BUS-LCH
TU-RCH
TU-LCH
CD-RCH
CD-LCH
AUX-RCH
DN1
DN2
AUX-LCH
OUT-RL
OUT-RR
OUT-FL
VCC
MUTE
GND
SDA
SCL
FIL
OUT-FR
XTI
XTO
SCL
SDA
SA
CSN
INTN
MPX
VDDA
REF3
REF2
REF1
VSS
TM
VDDD
RESETN
TUX-032//Q(US,CND,AEP,UK)
TUX-032//Q2(E)
(Page 29)
(Page 30)
(Page 33)
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