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MAIN BOARD IC800 M30610MCA-264FP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Function
1
JOG1
I
JOG dial pulse input from the rotary encoder (S713
≠
AMS
±
)
2
JOG0
I
JOG dial pulse input from the rotary encoder (S713
≠
AMS
±
)
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 CXD2654R (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
AIN1
I
Sircs remote control signal input of the S-LINK CONTROL A1
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)
11
XT-OUT
O
Sub system clock output terminal (32.768 kHz)
12
S.RST
I
System reset signal input from the LA5632 (IC700) “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 (7 MHz)
14
GND
—
Ground terminal
15
XIN
I
Main system clock input terminal (7 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 CXD2654R (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
XINT
I
Interrupt status input from the CXD2654R (IC121)
21
DVOL1
I
Digital rec level volume input terminal
22
DVOL0
I
Digital rec level volume input terminal
23 to 30
NC
I
Not used (fixed at “L”)
31
SWDT
O
Writing data output to the CXD2654R (IC121) and D/A converter (IC200)
32
SRDT
I
Reading data input from the CXD2654R (IC121)
33
SCLK
O
Serial clock signal output to the CXD2654R (IC121) and D/A converter (IC200)
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
I
Not used (fixed at “L”)
37
FLCLK
O
Serial data transfer clock signal output to the FL/LED driver (IC771)
38 to 47
NC
I
Not used (fixed at “L”)
48
CSET0
I
Destination setting terminal (US, Canadian models: fixed at “L”, AEP, UK models: fixed at “H”)
49
CSET1
I
Destination setting terminal (US, Canadian models: fixed at “H”, AEP, UK models: fixed at “L”)
50
XINSW
I
Setting terminal of the loading control system select (fixed at “H” in this set)
51
NC
I
Not used (fixed at “L”)
52
MNT2 (XBUSY)
I
Busy signal input from the CXD2654R (IC121)
53
DIG-RST
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) “L”: reset
54
MNT1 (SHOCK)
I
Track jump detection signal input from the CXD2654R (IC121)
55
SENS
I
Internal status (SENSE) input from the CXD2654R (IC121)
56
LDON
O
Laser diode on/off control signal output to the automatic power control circuit “H”: laser on
57
REFLECT
I
Detection input from the disc reflection rate detect switch (S102)
“L”: high reflection rate disc, “H”: low reflection rate disc
58
PROTECT
I
Rec-proof claw detect input from the protect detect switch (S102) “H”: write protect
Summary of Contents for MDS-JB920
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