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MAIN BOARD IC501 M30624MG-207FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NC
O
Not used (open)
3
C1
O
Monitor output terminal for the test C1 error rate is output when test mode
4
ADER
O
Monitor output terminal for the test ADER is output when test mode
5
SQSY
I
Subcode Q sync (SCOR) input from the CXD2656R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
6
RMC
I
Remote control signal input from the remote control receiver (IC761)
7
A1 IN
I
Sircs remote control signal input of the CONTROL A1
Used for the AEP, UK and North European models only
8
BYTE
I
External data bus line byte selection signal input “L”: 16 bit, “H”: 8 bit (fixed at “L”)
9
CNVSS
—
Ground terminal
10
XT-IN
I
Sub system clock input terminal (32.768 kHz) Not used (open)
11
XT-OUT
O
Sub system clock output terminal (32.768 kHz) Not used (open)
12
S.RST
I
System reset signal input from the LA5632 (IC431) and RESET switch (S401) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
13
XOUT
O
Main system clock output terminal (10 MHz)
14
GND
—
Ground terminal
15
XIN
I
Main system clock input terminal (10 MHz)
16
+3.3V
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal (fixed at “H” in this set)
18
DQSY
I
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2656R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
19
P.DOWN
I
Power down detection signal input terminal “L”: power down, normally: “H”
20
KEYBOARD CLK
I
Not used (fixed at “H”)
21
KEYBOARD DATA
I
Not used (fixed at “H”)
22
NC
O
Not used (open)
23
XINT
I
Interrupt status input from the CXD2656R (IC121)
24 to 26
NC
O
Not used (open)
27
KEYBOARD CONT
O
Not used (pull up)
28 to 30
NC
O
Not used (open)
31
SWDT
O
Writing data output to the CXD2656R (IC121) and A/D, D/A converter (IC321)
32
SRDT
I
Reading data input from the CXD2656R (IC121)
33
SCLK
O
Serial clock signal output to the CXD2656R (IC121) and A/D, D/A converter (IC321)
34
FLCS
O
Chip select signal output to the FL/LED driver (IC771)
35
FLDATA
O
Serial data output to the FL/LED driver (IC771)
36
NC
O
Not used (open)
37
FLCLK
O
Serial data transfer clock signal output to the FL/LED driver (IC771)
38, 39
NC
O
Not used (open)
40
ADA LATCH
O
Serial data latch pulse signal output to the A/D, D/A converter (IC321)
41
NC
I
Not used (fixed at “L”)
42
JOG1
I
JOG dial pulse input from the rotary encoder (S713
≠
AMS
±
) (B phase input)
43
JOG0
I
JOG dial pulse input from the rotary encoder (S713
≠
AMS
±
) (A phase input)
44
NC
O
Not used (open)
45
A1 OUT
O
Sircs remote control signal output of the CONTROL A1
Used for the AEP, UK and North European models only
46
NC
I
Not used (fixed at “H”)
47
NC
O
Not used (open)
