Sony MEX-BT2500 Руководство по эксплуатации - Страница 30
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MEX-BT2500
5-3. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
B
UNISI
Z-MUTE
A
+3.3V
DGND
SYSRST
(Page 29)
CDON
CDMON
BUSON
SGND
+8.3V
CN804
12P
BT_INT-HF(PIO9)
BT_PLAY(PIO0)
BT_STATUS0(PIO3)
BT_STATUS1(PIO5)
BT_STATUS2(PIO6)
BT_STATUS3(PIO7)
BT_MUTE(PIO11)
BT_TEST1(AIO1)
BT_TEST2(AIO3)
BT_FR(PIO1)
BT_FF(PIO2)
GND
BT BOARD
CN805
12P
BT_POW_ON(PIO10)
BT_OPRPOW(PIO8)
BT_MFUNK(PIO4)
BT_RESET
GND
VDD_3.3V
VCC_8.3V
A-GND
MIC201
BT_AUDIO_L
A-GND
BT_AUDIO_R
GND
CN1
(PATTERN ANTENNA)
R1
0
(CHASSIS)
MEX-BT2500
• See page 34 for Waveforms.
• See page 36 for IC Pin Function Description.
(2/3)
R836
100
BT_INT
R837
100
BT_PL
R838
100
BT_ST0
R839
100
BT_ST1
R840
100
BT_ST2
R841
100
BT_ST3
R842
100
BT_MU
R843
100
BT_TE1
R844
100
BT_TE2
R845
100
BT_FR
R846
100
BT_FF
Q806-808
B+ SWITCH
Q806
2SB1690K
R811
1k
R810
D800
470
RB705D
Q807
D801
RT1N441C
BAT54AL
BT_MF
BT_RST
Q808
RT1N441C
C801
C800
FB800
100
0.01
0
10V
TEST
C827
0.01
BT_AUDIO_L
ACC
R800
C840
C828
Q804
1k
1 50V
Q802
ATT
47
RT1P141C
RT1N140C
R831
16V
100k
Q803
R832
RT1N140C
100k
R801
C841
1k
1 50V
BT_AUDIO_R
Q805
Q802,803
RT1N141C
MUTING
Q804,805
MUTING CONTROL
C889
0
S103
RESET
C508
C519
15p
0.1
X502
C507
15p
32.768kHz
X501
18.432MHz
VSS1
OSCIN
R509
100
L501
OSCOUT
2.2µH
VCC3
C510
1
CYRIL_SEL
R526
100k
R540
100k
DEMOSEL
C511
100 10V
NCO
R542
100k
SYSRST
BT_ON
BT_STATUS_POW
BT_OP
BT_OPRPOW
CDON
CDMON
BT_MFUNC
BT_RESET
R506
0
BT_POWER_CTRL
R541
100k
BUSON
R563
100k
TESTIN
R566
100k
TELATT
R558
100k
ACCIN
ATT
R507
(US,CND,E)
100k
R537
(AEP,UK,E)
100k
R573
(AEP,UK)
100k
R538
(US,CND)
100k
(E)
R550
100k
S501
FREQUENCY
SELECT
JC38
10k
0
R546
R545
R551
R552
100k
100k
100k
100k
9k
(US,CND,AEP,UK)
C887
0
30
30
(US,CND,E)
R547
100k
R548
100k
C509
0.022
Q500
RT1P141C
KEY ACTIVE
SWITCH
R565
100k
MD1
R567
100k
MD0
AD_ON
JC50
0
BT_INT-HF
NCO
D503
1SS355
NCO
NCO
C514
0.001
NCO
SYSTEM CONTROLLER
VSS
R503
100
IC501
KEYIN0
MB90F045PF-G-9044-SPE1
KEYIN1
C512
0.001
VSM
C501
0.01
QUALITY
DAVSS
C513
AVRH
0.01
DAVDD
R522
2.2k
I2C_SIO
R521
2.2k
I2C_SCK
C516
0.01
RE-IN1
C515
0.01
RE-IN0
R556
C504
100k
0.01
JC4
0
C503
JC27
100
0
10V
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).
R517
47k
BT_INT
R505
10k
KEY0
R502
100
KEY1
R504
10k
VSM
QUALITY
JC55
0
SDA
R525
10k
SCL
R520
100
RE1
R523
100
RE0
R524
10k
C
RDS_ON
+3.3V
DGND
D
E
(Page 31)
F