Sony HD-X1 Service Manual page 85

MAIN BOARD IC501 M30622MGP-A20FPU0 (SYSTEM CONTROLLER)
Pin No. Pin Name
1
DAMP SCDT
2
DAMP SHIFT
3 V-CONTROL
4 SIRCS_IN
5 COM_DATA
6 DSP_DOUT
7 COM_CLK
8 BYTE
9 CNVSS
10, 11 -
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 DIR ZERO
19 DIR_CSFLAG
20
AC_CUT
21 -
22, 23 LED0, LED1
24 FL_CLK
25 MAMUTE
26 STBY_LED
27 FL_D_OUT
28 FL_CS
29 I2C_CLK
30 I2C_DATA
31 DVD SID
32 DVD SOD
33 DVD SCO
34 DVD XIFBUSY
35 to 37 -
38 SEL1FS
39 DVD XIFCS
40 P_CONT1
41 FL_RESET
42
OCSW
43 MTK XRST
44 P_CONT2
45 DEVICE
46 CE
47 DRIVE_RST
48 DRIVE_OCP
I/O
O
Serial data output to the stream processor
O
Shift clock signal output to the stream processor
- Not used
I Remote control signal input terminal
O Serial data output to the digital audio interface receiver and DSP
I Serial data input from the DSP
O Serial data transfer clock signal output to the digital audio interface receiver and DSP
- Not used
- Not used
- Not used
System reset signal input terminal "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it change to "H"
O Main system clock output terminal (5 MHz)
- Ground terminal
I Main system clock input terminal (5 MHz)
- Power supply terminal (+3.3V)
- Not used
I Audio serial data input from the digital audio interface receiver
I CSFRAG data input from the digital audio interface receiver
I
AC cut detection signal input terminal "L": AC cut
- Not used
O LED drive signal output terminal "H": LED on
O Serial data transfer clock signal output to the FL driver
I Muting request signal input from the servo DSP
O
LED drive signal output of the STANDBY indicator "H": LED on
O Serial data output to the FL driver
O Chip select signal output to the FL driver
- Not used
- Not used
O Serial data output to the servo DSP
I Serial data input from the servo DSP
I Serial data transfer clock signal input from the servo DSP
I Busy signal input from the servo DSP
- Not used
O Data select signal output terminal
O Chip select signal output to the servo DSP
O Power on/off control signal output to the regulator IC
O System reset signal output to the FL driver "L": reset
I Disc slot in/out detection switch input terminal
O
System reset signal output to the servo DSP "L": reset
O Power on/off control signal output to the regulator IC and power supply circuit
I Fixed at "H" in this set (TI)
- Not used
O
Reset signal output to the power driver "L": reset
I
Shut down state input from the power driver "L": shut down
Description
HCD-X1
Ver. 1.1
85