Sony MXD-D400 Service Manual page 77

• MAIN BOARD IC6 M30624MGA-B20FP (SYSTEM CONTROLLER, CD MECHANISM CONTROLLER)
Pin No. Pin Name
1
DRVDAT
2 DRVCLK
3 DRVCS
4 SIRCS
5
MP3DOUT
6 MP3DIN
7
MP3CLK
8 BYTE
9 CNVSS
10 MP3ACK
11 STB
12 RESET
13 X-OUT
14 VSS
15 X-IN
16 VCC
17
NMI
18
MP3REQ
19
MP3RESET
20 SCOR
21 MP3SEL
22
MP3CS
23
MP3LP
24 PWM3
25 X4
26 PWM2
27 CTRL1
28 PWM1
29 IICCLK
30 IICDATA
31 TXD1
32 SUBQ
33 SQCLK
34 SENSE
35 DATA
36 OPEN
37
CLK
38
XLT
39, 40 OPEN
41 PULLDOWN
42, 43 OPEN
44 BDPWR
45 BDRST
46 PULLUP
I/O
O Command data output to the FL/LED driver
O Command data transfer clock signal output to the FL/LED driver
O Command data transfer request signal output to the FL/LED driver
I Remote control signal input from the remote control receiver
O Command data output to the MP3 decoder
I Command data input from the MP3 decoder
O Command data transfer clock signal output to the MP3 decoder
External data bus line byte selection signal input terminal
I
"L": 16 bit, "H": 8 bit (fixed at "L")
— Ground terminal
O
Acknowledge signal output to the MP3 decoder
O
Power on/off relay drive signal output terminal "L": standby, "H": power on
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O System clock output terminal (16 MHz)
— Ground terminal
I System clock input terminal (16 MHz)
— Power supply terminal (+5V)
I Non-maskable interrupt input terminal "L" active (fixed at "H" in this set)
I Command data request signal input from the MP3 decoder
O System reset signal output to the MP3 decoder
I Subcode sync (S0+S1) detection signal input from the CD DSP "H": active
I Command selection signal output terminal Not used
O
Chip enable signal output to the MP3 decoder
O
Latch pulse signal output to the MP3 decoder
O PWM signal output for RF offset adjustment
O Disc speed selection (normal/4 speed) signal output to the selector IC
O
PWM signal output for tracking offset adjustment
O Disc speed selection (normal/2 speed) signal output to the selector IC
O PWM signal output for focus offset adjustment
I/O IIC data transfer clock signal output to the MD mechanism controller
I/O
IIC data bus with the MD mechanism controller
O
Not used
I Subcode Q data input from the CD DSP
O
Subcode Q data reading clock signal output to the CD block "L": active
I Internal status (SENSE) input from the CD DSP
O Command serial data output to the CD DSP
— Not used
O
Command serial data transfer clock signal output to the CD DSP
O
Command latch pulse output to the CD DSP
— Not used
I Fixed at "L" in this set
— Not used
O power control signal output terminal Not used
O System reset signal output to the RF amplifier and CD DSP
I Fixed at "H" in this set
Description
MXD-D400
77