Read Sony CDX-A360 Service Manual online
32
CDX-A360
• IC501 MB90487APF-G-199E1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
I/O
Pin Description
1
AREASEL2
I
Destination setting pin
2
AREASEL1
I
Destination setting pin
3
AREASEL0
I
Destination setting pin
4
COL_SW
I
Illumination color select signal input
5
BEEP
O
Beep signal output
6
CYRIL_SEL
I
Cyril select signal input
7
NOSE_SW
I
Front panel open/close detect signal input
8
DIAG
I
Power AMP status signal input
9
VOL_ATT
O
Electronic volume attenuate control signal output
10
NCO
O
Not used. (Open)
11
VSS
—
Ground
12
TUATT
O
Tuner mute control signal output
13
NSMASK
O
Noise mask signal output
14
ILLUMI_SEL1
I
Illumination voltage setting signal input 1
15
ILLUMI_SEL2
I
Illumination voltage setting signal input 2
16 to 22
NCO
O
Not used. (Open)
23
VCC5
—
Power supply (+3.3 V)
24
EEP_SIO
I/O
EEPROM bus serial data input/output
25
EEP_CKO
O
EEPROM bus serial clock output
26
AMPSTB
O
Power AMP standby signal output
27
LCD_CE
O
LCD driver chip enable signal output
28
LCD_SO
O
LCD driver serial data signal output
29
LCD_CKO
O
LCD driver serial clock signal output
30
RDS_ON
O
RDS ON signal output
31
RE_IN0
I
Rotary encoder signal input 0
32
RE_IN1
I
Rotary encoder signal input 1
33
I2C_CKO
O
I2C bus serial clock signal output
34
I2C_SIO
I/O
I2C bus serial data signal input/output
35
DAVDD
—
A/D converter power supply (+3.3 V)
36
AVRH
—
A/D converter external reference power supply (+3.3 V)
37
DAVSS
—
Ground
38
QUALITY
I
Noise detect signal input
39
VSM
I
S-meter voltage detect signal input
40
KEY IN1
I
Key signal input 1
41
KEY IN0
I
Key signal input 0
42
VSS
—
Ground
43
RC_IN0
I
Rotary commander key signal input
44 to 48
NCO
O
Not used. (open)
49
MD0
I
Operation mode setting pin (Pull up)
50
MD1
I
Operation mode setting pin (Pull up)
51
MD2
I
Operation mode setting pin (Pull down)
52
KEYACK
I
Key acknowledgment detect signal input
53
TU_ATTIN
I
Tuner mute zero cross detect signal input
54
BUIN
I
Back-up power supply detect signal input
55
NCO
O
Not used. (Open)
56
DAVN
I
RDS data block synchronized detect signal input
57
NCO
O
Not used. (Open)
58
UNISI
I
S-Bus data signal input
59
UNISO
O
S-Bus data signal output
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