Sony HCD-BX5BT Service Manual page 52

HCD-BX5BT/CBX1/CBX3
MAIN BOARD IC301 M3062LFGPFP-704 (BX5BT) (SYSTEM CONTROLLER)
M3062LFGPFP-700 (CBX1) (SYSTEM CONTROLLER)
M3062LFGPFP-701 (CBX3) (SYSTEM CONTROLLER)
Pin No.
Pin Name
ST DATA IN
1
/STEREO
2 ST CLK
3
ST DATA OUT
4
SIRCS
5 to 7
NC
8 BYTE
9
CN VSS
10
XCIN
11
XCOUT
12
RESET
13 XOUT
14
VSS
15
XIN
16
VCC
17 NMI
18
RDS INT
19
SBSY
20
AC CUT
21, 22 NC
DAB-POWER
23
3.3V
24
DAB-POWER 5V
LCD BACK
25
LIGHT LCD
26
USB/BT LED
27
STANDBY LED
28 STBY RELAY
29
LCD CLK
30
LCD DATA
31
BT DOUT
32 BT DIN
33
NC
34
BT_RTS
35
USB TXD
36 USB RXD
37
USB_CTS
38
USB_RTS
39
NC
40 USB RESET
41
PULL DOWN
42, 43
NC
44
DEC BUS SEL1
52
I/O
I Serial data and stereo detection signal input from the tuner (FM/AM)
O Serial data transfer clock signal output to the tuner (FM/AM)
O Serial data output to the tuner (FM/AM)
I SIRCS signal input from the remote control receiver
O Not used
I External data bus width selection signal input terminal
I Processor mode switch input terminal (for test)
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
I Non-maskable interrupt signal input terminal Not used
I RDS data transfer clock signal input from the tuner (FM/AM) (CBX3)
I Subcode block sync signal input from the CD-MP3 processor
I AC cut on/off detection signal input terminal "L": AC cut on
O Not used
O DAB power supply (+3.3V) ON/OFF control signal output terminal Not used
O DAB power supply (+5V) ON/OFF control signal output terminal Not used
O LED drive signal output terminal for LCD back light "H": LED on
LED drive signal output terminal for BLUETOOTH indicator (BX5BT) or USB MEMORY
O
indicator (CBX3) "H": LED on
O LED drive signal output terminal for STANDBY indicator "H": LED on
O Power on/off control signal output terminal "H": power on
O Serial data transfer clock signal output to the liquid crystal display
O Serial data output to the liquid crystal display
O
Serial data output to the bluetooth module (BX5BT)
O Serial data input from the bluetooth module (BX5BT)
O Not used
O Ready to send signal output to the bluetooth module (BX5BT)
O Serial data output to the USB controller (CBX3)
I Serial data input from the USB controller (CBX3)
I Clear to send signal input from the USB controller (CBX3)
O Ready to send signal output to the USB controller (CBX3)
O Not used
O Reset signal output to the USB controller "L": reset (CBX3)
O Connected to the ground
O Not used
O Data selection signal output terminal (CBX3)
Description