WX-850BT/900BT/900BTM
41
• IC Block Diagrams
– MAIN Board –
IC001 SDP2014HN/V102
I.C.
20
VSSD
21
VDDD
22
VSSD_IO
23
SDA
24
FM_IN_P 6
VDDA_RF 7
VSSA_RF 8
VDDA_IFADC 1
VSSA_IFADC 2
FM_CAP 4
FM_IN_M 5
VBGP 3
AM_IN_P
9
AM_LNA_CAP
10
I.C.
11
I.C.
12
I.C.
13
I.C.
14
I.C.
15
16
I2S_BCK
18
I2S_WS
17
I2S_SD_1
19
I2S_SD_0
FM
FRONT-END
AM
FRONT-END
A/D
CONVERTER
STEREO D/A
CONVERTER
I2C
POWER
IC CONTROL
UNIT
XTAL
OSCILLATION
DIGITAL CONTROL
OSCILLATION
DIVIDERS
DIGITAL
TUNING
SYSTEM
RADIO
PROCESSING
I2S INPUT
BUFFER
I2S OUTPUT
BUFFER
AUDIO
PROCESSING
XTAL_IN
20
32
VSS
31
GPIO_0
20
28
DAC_R
29
DAC_L
30
GPIO_1
20
27
GPIO_2
20
26
SCL
20
25
IC002 BU33UC3WG-TR
IC702, 1001 BU33TD3WG-TR
IC703, 704 BU15TD3WG-TR
2
GND
1
VIN
VOUT
5
VOLTAGE
REFERENCE
3
STBY
NC
4
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
IC301 PURE5001H-4WX
TAB
1
PW-GND2
2
OUT2–
3
ST-BY
4
OUT2+
5
VCC2
6
OUT1–
7
PW-GND1
8
OUT1+
9
SVR
10
IN1
11
AC-GND
16
OUT3+
17
PW-GND3
18
OUT3–
19
VCC1
20
OUT4+
21
MUTE
22
OUT4–
23
PW-GND4
24
HSD
25
IN3
15
IN4
14
S-GND
13
IN2
12
HIGH SIDE
DRIVER
Summary of Contents for WX-850BT
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