Read Sony MDS-PC2 Service Manual online
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Pin No.
Pin Name
I/O
Function
• IC501 System Control (M30620MC-406FP) (MAIN board)
O
O
O
I
I
I
I
—
O
O
I
O
—
I
—
I
I
I
O
O
—
I
O
O
O
O
O
I
O
O
O
O
O
O
I
O
O
O
O
O
O
O
I
I
I
I
O
O
O
I
Not used (Fixed at “L”)
C1 error rate voltage output (Fixed at “L”) (Not used)
AD error rate voltage output (Fixed at “L”) (Not used)
ADIP sync or subcode Q sync input from CXD2654R
Remote controls
A1 Control input (Fixed at “L”)
Data bus changed input (Fixed at “L”)
Ground
Not used (Fixed at “L”)
Not used (Fixed at “L”)
System rest input
Main clock output (7.0MHz)
Ground
Main clock input (7.0MHz)
+3.3V power supply
(Fixed at “H”)
Digital in sync input
Power down detection input “L”: Power down
Not used
Not used
Not used
Interrupt status input from CXD2654R
Not used
Serial clock signal output to IC301
Not used
Serial data signal input to IC301
Writing data signal output to the serial bus
Reading data signal input from the serial bus
Clock signal output to the serial bus
Chip select signal output to the display driver
Serial data signal output to the display driver
Not used (Fixed at “L”)
Serial clock signal output to the display driver
Not used
Not used
Not used
A1 output
Not used
Serial mode signal output to IC301
Not used
Reset: “L”
DA line out muting output
Mute: “L”
Strobe signal output to the power supply circuit
Power supply ON: “H”, stand by: “L”
Detection input from the chucking-in switch
“L”: Chucking
Not used (Fixed at “L”)
Detection input from the loading out switch. Loaded out position: “L”, Others: “H”
Loading motor control input
Loading motor control output
Loading motor voltage control output
Low voltage: “H”
Not used (Fixed at “L”)
Detection signal input from the recording position detection switch
NC
C1ER
ADER
SQSY
RMC
A1 IN
BYTE
CNVSS
XIN-T
XOUT-T
S.RST
XOUT
GND
XIN
+3.3V
NMI
DQSY
P.DOWN
KEYBOARD CLK
KEYBOARD DATA
BEEP OUT
XINIT
NC
L3 CLOCK
NC
LC DATA
SWDT
SRDT
SCLK
FLCS
FLDATA
NC
FLCLK
NC
JOG1, JOG0
NC
A1 OUT
NC
L3 MODE
DA.RST
MUTE
STB
CHACK IN
NC
PACK-OUT
LDIN
LDOUT
LD-LOW
NC
REC-P
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