18
CDX-M9900/M9905X
• IC501 MB90F474HPFV-G-178 (SYSTEM CONTROL) (MAIN BOARD (3/3)) (US, Canadian MODEL)
• IC501 MB90F474HPFV-G-179 (SYSTEM CONTROL) (MAIN BOARD (3/3)) (AEP, UK, E MODEL)
Pin No.
Pin Name
I/O
Pin Description
1
PG
I
Power supply OK detection signal input for DC-DC converter
2
FLASH P ON
O
Flash write communication signal change control signal output
L: SH-3 communication, H: PC Ver. UP communication
3
BEEP
O
BEEP signal output Used to PPG function.
4
MOTOR ON
O
Motor power supply on signal output
5
MOT +
O
Open/close motor control signal output (+)
6
MOT –
O
Open/close motor control signal output (–)
7
LED ON
O
CD side illumination on signal output when front panel open
8
FSW IN
I
DC-DC converter oscillator frequency count signal input Used to input capture.
9
VSS
—
Ground pin
10
BOOST
O
Boost signal output
11
ENCSW1
I
ENC switch 1 signal input
12
ENCSW2
I
ENC switch 2 signal input
13 to 16
NCO
O
Not used in this set. (Open)
17
T.ROM SDA
I/O
Tuner EEPROM serial data signal input/output
18
T.ROM SCK
O
Tuner EEPROM serial clock signal output
19, 20
NCO
O
Not used in this set. (Open)
21
VCC5
—
Power supply pin (+5 V)
22
NS MASK
O
Tuner noise mask signal output
23
TU MUTE
O
Tuner mute signal output
24
FLASHW
I
Flash write mode detection signal input
25
SH3SI/FLSSI
I
SH3 communication signal input (RXD)/Flash write data signal input
26
SH3SO/FLSSO
O
SH3 communication signal output (TXD)/Flash write data signal output
27
UNI AU
O
BUS audio in/AUX audio in select control signal output
H: SONY BUS audio, L: AUX audio
28
VOLATT
O
Electronic volume mute signal output
29
DIAG
I
Condition signal input from power amplifier IC
30
AMP ON
O
AMP STB signal output Used to control of power amplifier IC. L: Off, H: On
31
I2CCKO
O
Serial clock signal output for tuner and electronic volume IC
32
I2CSIO
I/O
Serial data signal input/output for tuner and electronic volume IC
33
AVCC
—
Power supply pin (+3.3 V)
34
AVRH
—
Power supply pin (+3.3 V)
35
AVSS
—
Ground pin
36
KEYIN0
I
key signal input Used to A/D port.
37
TEMP TR
I
Temperature detection signal input for front panel motor control Used to A/D port.
38
FP IDET
I
Front panel operation current detection signal input Used to A/D port.
39
QUALITY (RDS)
I
Tuner noise detection signal input Used to A/D port.
40
VSS
—
Ground pin
41
RC IN0
I
Rotary commander signal input Used to A/D port.
42
VSM
I
S meter voltage signal input Used to A/D port.
43, 44
NCO
O
Not used in this set. (Open)
45
KEY ACK
I
Key acknowledge detection signal input H: On (Used to interruption port.)
46
DAVN (RDS)
I
RDS data block synchronization detection signal input
47, 48
MD0, MD1
—
Connected to power supply pin (+5 V)
49
MD2
—
Connected to ground pin
50
NCO
O
Not used in this set. (Open)
51
BU IN
I
Back up power supply detection signal input Used to interruption port.
52 to 54
NCO
O
Not used in this set. (Open)
55
MUTE CON
I
Mute condition signal input Used to interruption port.
56
UNISI
I
SONY BUS data signal input Used to serial port.
57
UNISO
O
SONY BUS data signal output Used to serial port.
Содержание CDX-M9900 Operating Instructions (primary manual)
Страница 5: ...5 CDX M9900 M9905X SECTION 1 GENERAL This section is extracted from instruction manual ...
Страница 6: ...6 CDX M9900 M9905X Connections ...
Страница 59: ...www s manuals com ...
