Sony HCD-BX5BT Service Manual page 53

Pin No.
Pin Name
45
DEC BUS SEL2
46
PULL UP
47 to 53
NC
54 BT_AV_ ROLE
55
BT_RESET
BT AUDIO
56
OUT MUTE
57
BT CTS
58 BT POWER
59 to 61
NC
62
VCC
63
CD CCE
64
VSS
CD BUS3 to
65 to 68
CD BUS0
69
MP3 IREQ
70
CD ON
71
CD XRST
72
CD DRIVE MUTE
KEY WAKE
73
UP_DISPLAY
KEY WAKE
74
UP_POWER
75
CD CLK
76
USB POWER
77 SEL INH
78
SEL A
79
SEL B
80
TA LINE-MUTE
81 AMP DATA
82
AMP CLOCK
83, 84
NC
85
MODEL IN
I-POWER
86
MONITOR
87
STK-ON
88
CDM LOAD OUT
89
CDM LOAD IN
90 CDM SW(OPEN)
91
CDM SW (CLOSE)
92 to 94
KEY2 to KEY0
95
RDS DATA
96 AVSS
67
SPEC IN
98
VREF
99
AVCC
100 ST CE
I/O
O Data selection signal output terminal Not used
O Connected to the power supply
O Not used
O Transmission/reception mode notification signal output to the bluetooth module (BX5BT)
O Reset signal output to the bluetooth module "L": reset (BX5BT)
O Blutetooth muting on/off control signal output terminal "H": muting on (BX5BT)
I Clear to send signal input from the bluetooth module (BX5BT)
O Power on/off control signal output terminal for bluetooth section "H": power on (BX5BT)
O Not used
- Power supply terminal (+3.3V)
O Chip enable signal output to the CD-MP3 processor
- Ground terminal
O Serial data output to the CD-MP3 processor
I Request signal input from the CD-MP3 processor
O Power on/off control signal output terminal for CD section "H": power on
O Reset signal output to the CD-MP3 processor "L": reset
O Muting signal output to the coil/motor driver
I Wake up signal input terminal
I Wake up signal input terminal
O Serial data transfer clock signal output to the CD-MP3 processor
O Power on/off control signal output terminal for USB section "H": power on (CBX3)
O Input selection control signal output terminal Not used
O Input selection control signal output terminal Not used
O Input selection control signal output terminal Not used
O Line muting on/off control signal output terminal "H": muting on
O Serial data output to the electrical volume
O Serial data transfer clock signal output to the electrical volume
O Not used
I Setting terminal for the model
I Power monitor input terminal
O Standby control signal output to the power amplifier
O Loading motor control signal output terminal (for loading out)
O Loading motor control signal output terminal (for loading in)
I Disc tray open position detection signal input terminal
I Disc tray close position detection signal input terminal
I Top and front panel key input terminal (A/D input)
I RDS data input from the tuner (FM/AM) (CBX3)
- Ground terminal
I Setting terminal for the destination
I Reference voltage (+3.3V) input terminal
- Power supply terminal (+3.3V)
O Chip enable signal output to the tuner (FM/AM)
HCD-BX5BT/CBX1/CBX3
Description
53