DSX-B700/B700W/B710D
41
Sony CONFIDENTIAL
For Authorized Servicer
• IC Pin Function Description
MAIN BOARD IC101 MAXT (DAB RECEIVER)
Pin No.
Pin Name
I/O
Description
1
VTUNE
I
High-impedance VCO tune input terminal
2
VCC_LDO
-
Power supply terminal (+3.3V)
3
LDO_BYPASS
-
LDO bypass terminal (External capacitor connection terminal)
4
VCC_LBAND
-
Power supply terminal (+3.3V)
5
NC
-
Not used
6
LBAND_IN
I
RF signal input terminal for L-band Not used
7
GND
-
Ground terminal
8
ADDR
I
Device address setting terminal Fixed at “L” in this unit
9
VHF_IN
I
RF signal input terminal for DAB
10, 11
IND1, IND2
-
Filter inductor connection terminal
12
AC_GND
-
AC ground terminal (External capacitor connection terminal)
13
GND
-
Ground terminal
14
VCC_VHF
-
Power supply terminal (+3.3V)
15
AC_GND
-
AC ground terminal (External capacitor connection terminal)
16
VCC_MIX
-
Power supply terminal (+3.3V)
17
VCC_BB
-
Power supply terminal (+3.3V)
18
GND
-
Ground terminal
19
RFAGC
I
Gain control input terminal (External capacitor connection terminal)
20
RSSI_DELAY
O
Relative signal strength inductor output terminal (External capacitor connection terminal)
21
STBY
I
Standby enable signal input from the DAB audio DSP “L”: standby
22
BBOUT–
O
Audio signal (negative) output to the DAB audio DSP
23
BBOUT+
O
Audio signal (positive) output to the DAB audio DSP
24
QDC+
-
Q-channel DC offset bypass terminal for connect to the QDC– (pin 25)
25
QDC–
-
Q-channel DC offset bypass terminal for connect to the QDC+ (pin 24)
26
BBAGC
I
Gain control signal input from the DAB audio DSP
27
IDC+
-
I-channel DC offset bypass terminal for connect to the IDC– (pin 28)
28
IDC–
-
I-channel DC offset bypass terminal for connect to the IDC+ (pin 27)
29
MUX
O
Multiplex output terminal Not used
30
REF_OUT
O
Reference clock output to the DAB audio DSP
31
VCC_XTAL
-
Power supply terminal (+3.3V)
32
GND
-
Ground terminal
33
XTAL
I
System clock input terminal (24.576 MHz)
34
SCL
I
Serial data transfer clock signal input from the DAB audio DSP
35
SDA
I
Serial data input from the DAB audio DSP
36
GND
-
Ground terminal
37
VCC_SYN
-
Power supply terminal (+3.3V)
38
GND
-
Ground terminal
39
CPOUT
O
Charge pump output terminal for the VTUNE (pin 1)
40
GND
-
Ground terminal
SYS SET
2019/10/24 21:43:03 (GMT+09:00)