Read Sony DSX-S210X / DSX-S310BTX Service Manual online
DSX-S210X/S310BTX
33
• IC Pin Function Description
MAIN BOARD IC301 MB90F882PMC-GE1-083A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: front panel is attached
2
OEL_ON
O
Power on/off control signal output terminal for the OEL section
3
DD_ON
O
Power on/off control signal output for the DC/DC converter section
4
OELD_ON
O
Power on/off control signal output for the OEL driver section
5
FSW_IN
I
DC/DC converter oscillation frequency count signal input terminal
6
FSW_OUT
O
DC/DC converter oscillation frequency select signal output terminal
7
OEL_DD_ON
O
Power on/off control signal output terminal for the OEL DC/DC converter section
8 to 10
NC
-
Not used
11
X0A
I
Sub system clock input terminal (32.768 kHz)
12
X1A
O
Sub system clock output terminal (32.768 kHz)
13
VCC5
-
Power supply terminal (+3.3V)
14
VSS
-
Ground terminal
15
C
-
Regulator stabilization capacity connecting pin
16
UNI_SI
I
SONY bus data input terminal
17
UNI_SO
O
SONY bus data output terminal
18
UNI_SCK
O
SONY bus clock signal output terminal
19
NC
-
Not used
20
ILL_COLOR
O
Setting terminal for the key illumination color “L”: Blue, “H”: Red
21
ILL_RING
O
Ring illumination on/off control signal output terminal
22 to 25
LED_0 to LED_3
O
Not used
26
BUS_ON
O
SONY bus on/off control signal output to the SONY bus interface “L”: bus on
27
SYSRST
O
Reset signal output terminal
28, 29
RE-IN0, RE-IN1
I
Jog dial pulse input from the rotary encoder
30
DAVDD
-
Power supply terminal (+3.3V) (for A/D converter)
31
AVRH
-
Reference voltage (+3.3V) input terminal (for A/D converter)
32
RC_IN1
I
Rotary remote commander shift key input terminal
33
DAVSS
-
Ground terminal (for A/D converter)
34
DOOR_IND
O
Sub Panel LED drive signal output terminal
35
VSM
I
FM and AM signal-meter voltage detection signal input from the PLL
36, 37
KEY_IN2, KEY_IN1
I
Front panel key input terminal
38, 39
NC
-
Not used
40
KEY_IN0
I
Front panel key input terminal
41
RC_IN0
I
Rotary remote commander key input terminal
42
VSS
-
Ground terminal
43
KEY_ACK0
I
Acknowledge signal (wake up signal) input terminal for the rotary remote commander
On at input of “L”
On at input of “L”
44
KEY_ACK1
I
Acknowledge signal (wake up signal) input terminal for the front panel key On at input of “L”
45
DOOR_SW
I
Front panel open/close detection signal input terminal “L”: front panel is closed
46
NC
-
Not used
47
I2C_SIO
I/O
IIC two-way data bus
48
I2C_CLK
O
IIC data transfer clock signal output terminal
49
MD2
I
Flash writing terminal “L”: normally operation mode, “H”: writing mode
50
MD1
I
Flash writing terminal Fixed at “H” in this unit
51
MD0
I
Flash writing terminal “L”: writing mode, “H”: normally operation mode
52
RESET
I
System reset signal input from the reset signal generator and reset switch “L”: reset
53
MC_RX
I
Serial receive data input from the USB controller
54
MC_TX
O
Serial transmit data output to the USB controller
55
NC
-
Not used
56
CD_ON
O
CD servo power supply control request output terminal Not used
57
FLS_TX
I
Serial data input from the fl ash writing connector Fixed at “H” in this unit
58
FLS_RX
O
Serial data output to the fl ash writing connector Fixed at “H” in this unit
59
FLS_CLK
O
Serial data transfer clock signal output to the fl ash writing connctor Fixed at “H” in this unit
60
CD_XRST
I
Reset signal input from the digital signal processor “L”: reset
61
GHOST_RST
O
Reset signal output terminal to the USB controller “L”: reset
62
GHOST_1.2V
O
Power on/off control signal output terminal Not used
63
VCC3
-
Power supply terminal (+3.3V)
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