Sony CDX-M30 Service Manual page 27
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Also See for CDX-M30:
- Operating instructions manual (140 pages) ,
- Service manual (42 pages) ,
- Installation/connections (2 pages)
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• IC Pin Description
IC501 MB90F045PF-G-9060-SPE1 (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.
Pin Name
1
AREASEL0
2
AREASEL1
3
AREASEL2
4
AREASEL3
5
BEEP
6
COL_SEL
7
NOSE_SW
8
DIAG
9
VOLATT
10
CYRIL_SEL
11
VSS
12
TUATT
13
NSMASK
14
NCO
15
ILLUMI_SEL
16
NCO
17
AUX_SW
18, 19
NCO
20
MG_SEL
21
B-OUT_SEL
22
DIM_SEL
23
VCC5
24
EEP_SIO
25
EEP_CKO
26
AMPSTB
27
LCD_CE
28
LCD_SO
29
LCD_CKO
30
RDSON
31
RS_SEL
32
SA_DATA
33
I2C_CKO
34
I2C_SIO
35
DAVDD
36
AVRH
37
DAVSS
38
QUALITY
39
VSM
40
KEYIN1
41
KEYIN0
42
VSS
43
RC_IN0
44
SA_IN
45
SA_CKO
46
DOOR_IND
47
RE_IN0
48
RE_IN1
49, 50
MD0, MD1
I/O
I
Destination setting pin (Fixed at L in this set)
I
Destination setting pin (Fixed at L in this set)
I
Destination setting pin (L: FM (50k)/AM (9k), H: FM (200k)/AM (10k))
I
Destination setting pin (Fixed at L in this set)
O
Beep signal output to power amp IC.
I
Key illumination 2 colors select signal input (H: 2 color)
I
Front panel detach detection signal input (L: with panel, H: without panel)
I
Status signal input from power amp IC.
O
Attenuator control signal output to electronic volume IC.
I
CYRIL select signal input (L: non CYRIL)
—
Ground
O
Tuner mute control signal output
O
Noise mask signal output (Not used in this set)
O
Not used. (Open)
I
Illumination voltage setting pin (L: illumination power supply 9 V)
O
Not used. (Open)
O
Not used. (Open)
O
Not used. (Open)
I
Mechanism deck select signal input (H: MG-101FC)
I
Black out select signal input (L: non black out)
I
Dimmer select signal input (L: auto dimmer)
—
Power supply pin (+3.3 V)
I/O
Serial data signal input/output for EEPROM communication.
O
Serial clock signal output for EEPROM communication.
O
Standby signal output to power amp IC.
O
Chip enable signal output to LCD drive IC.
O
Serial data signal output to LCD drive IC.
O
Serial clock signal output to LCD drive IC.
O
RDS ON signal output (Not used in this set)
I
Rear/sub switchable select signal input (H: rear/sub switchable)
O
Data output for electronic volume IC spectrum analyzer.
O
I2C bus serial clock signal output
I/O
I2C bus serial data signal input/output
—
Power supply pin for A/D converter. (+3.3 V)
—
External reference power supply pin for A/D converter. (+3.3 V)
—
Ground for A/D converter.
I
Noise detection signal input
I
S meter voltage detection signal input
I
Key signal input 1
I
Key signal input 0
—
Ground
I
Rotary commander key signal input
I
Spectrum analyzer signal input
O
Spectrum analyzer clock signal output
O
DISC IN indicator LED control signal output
I
Rotary encoder signal input 0
I
Rotary encoder signal input 1
I
Signal input for operation mode designation. (Fixed at H in this set)
Pin Description
CDX-M30
27
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