MEX-BT2500
30
30
MEX-BT2500
5-3. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
•
See page 34 for Waveforms.
•
See page 36 for IC Pin Function Description.
C508
C507
C513
R521
R
5
4
4
R522
R502
C512
R
5
5
7
C510
R
51
1
R
5
10
R5
1
2
R
5
7
0
R
5
32
R
5
3
4
C514
C519
R563
R
5
33
R
5
2
9
R
5
6
9
R558
R567
R565
R
56
1
R517
C509
R503
R509
R556
R540
R524
R525
R526
R520
R523
L501
2.2
µ
H
R566
R800
R801
C800
C827
C828
C841
Q802
Q803
C840
Q805
Q806
R811
R810
Q807
D800
D801
Q808
R505
R504
R506
D
5
0
2
R
51
9
R
5
4
3
JC
8
0
R
5
3
6
JC
5
6
C889
JC50
JC55
JC27
J
C
1
4
JC
1
1
FB800
CN805
CN804
C504
C501
C515
C516
D503
R832
R831
Q804
C511
C503
C801
C887
R836
R
8
3
4
R
8
3
5
R837
R838
R839
R840
R841
R842
R843
R844
R845
R846
R
8
3
3
R542
R541
X501
S103
Q500
R547
R548
JC
5
3
X502
IC501
R507
R537
R573
R538
R550
R546
R545
JC38
R552
R551
S501
JC4
R1
CN1
MIC201
15p
15p
0.01
2.2k
1
k
2.2k
100
0.001
2
.2
k
1
1
k
1
k
1k
4
7
0
1
0
0
k
1
0
k
0.001
0.1
100k
1
0
0
k
1
k
1
0k
100k
100k
100k
1
0
0
k
47k
0.022
100
100
100k
100k
10k
10k
100k
100
100
100k
1k
1k
0.01
0.01
47
16V
1 50V
RT1N140C
RT1N140C
1 50V
RT1N141C
2SB1690K
1k
470
RT1N441C
RB705D
BAT54AL
RT1N441C
10k
10k
0
R
B
7
5
1
V
1
00
k
0
0
10
k
0
0
0
0
0
0
0
0
12P
12P
0.01
0.01
0.01
0.01
1SS355
100k
100k
RT1P141C
100
10V
100
10V
100
10V
0
100
1
0
0
1
0
0
100
100
100
100
100
100
100
100
100
100
1
0
0
100k
100k
18.432MHz
RT1P141C
100k
100k
100k
100k
100k
100k
100k
100k
100k
0
100k
100k
0
0
Z-MUTE
UNISI
+3.3V
DGND
+8.3V
+3.3V
DGND
RDS_ON
SYSRST
CDON
CDMON
BUSON
SGND
A
B
C
D
E
F
TU-ATT
NS-MASK
DIAG
BEEP
L_CE
L_DA
L_CLK
UNI_CLK
UNI_SO
UNI_SI
BUIN
DAVN
TU_ATTIN
KEY0
KEY1
E2PSCL
E2PSIO
NOSESW
RE1
RE0
STB
RST
BT_RST
BT_ON
BT_OP
BT_MF
ATT
ACC
TEST
BT_ON
BT_OP
BT_MF
BT_RST
BT_INT
BT_AUDIO_L
BT_AUDIO_R
SIRCS
RST
RST
VOLATT
SDA
SCL
VSM
QUALITY
BT_FF
BT_FR
BT_TE2
BT_TE1
BT_MU
BT_ST3
BT_ST2
BT_ST1
BT_ST0
BT_PL
BT_INT
BT_PL
BT_ST0
BT_ST1
BT_ST2
BT_ST3
BT_MU
BT_TE1
BT_TE2
BT_FR
BT_FF
BT_TEST1(AIO1)
BT_TEST2(AIO3)
BT_STATUS0(PIO3)
BT_STATUS1(PIO5)
BT_STATUS2(PIO6)
BT_STATUS3(PIO7)
BT_MUTE(PIO11)
BT_PLAY(PIO0)
BT_FR(PIO1)
BT_FF(PIO2)
BT_INT-HF(PIO9)
GND
BT_POW_ON(PIO10)
BT_OPRPOW(PIO8)
BT_MFUNK(PIO4)
BT_RESET
GND
VSM
KEYIN1
KEYIN0
SIRC
S
R
ESET
BEEP
SYSRST
DAVSS
DAVDD
OSCIN
OSCOUT
XIN
XOU
T
BUIN
KE
YACK
I2C_SIO
NCO
VSS1
AM
PSTB
N
CO
NCO
DA
VN
TUA
TT
IN
N
SM
ASK
QUALITY
DIAG
NOSESW
VO
LA
TT
TUATT
CDMON
CDON
UNISO
U
NISI
AREASEL1
VCC3
MD2
MD1
MD0
VSS
AVRH
VCC5
N
CO
VS
S
N
CO
N
CO
RD
S_ON
UN
ISCK
NC
O
N
CO
N
CO
ILLUM
I_SEL
N
CO
N
CO
EEP_SIO
EEP_
CKO
N
CO
RE-IN0
RE-IN1
NCO
NCO
NCO
Z-M
UTE
FLA
SH
_W
DEMOSEL
NCO
BUSON
TESTIN
TELATT
ACCIN
ATT
I2C_SCK
AD_ON
AR
EASEL0
AR
EAS
EL2
B-OU
T SEL
B
T_TEST1
BT_TES
T2
BT_S
TATUS
0
BT_STATUS
1
BT_STA
TUS2
BT_STAT
US3
BT_M
UTE
BT_PLAY
BT_FR
BT_FF
BT_INT-HF
BT_POWER_CTRL
BT_STATUS_POW
BT_OPRPOW
BT_MFUNC
BT_RESET
LCD_CE
LCD_SO
LCD_CKO
NCO
NCO
NCO
N
CO
CYRIL_SEL
GND
VDD_3.3V
VCC_8.3V
A-GND
BT_AUDIO_L
A-GND
BT_AUDIO_R
(2/3)
(CHASSIS)
KEY ACTIVE
SWITCH
1
00k
(US,CND,E)
RESET
32.768kHz
SYSTEM CONTROLLER
MB90F045PF-G-9044-SPE1
SELECT
FREQUENCY
10k
9k
(E)
(US,CND,E)
(AEP,UK,E)
(AEP,UK)
(US,CND)
Q802,803
MUTING
Q804,805
MUTING CONTROL
Q806-808
B+ SWITCH
(PATTERN ANTENNA)
BT BOARD
N
CO
(US,CND,AEP,UK)
(Page 29)
(Page 31)
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).
Содержание MEX-BT2500
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