Sony MDS-PC1 Service Manual page 67

• IC401 System Control (M30610MCA-261FP) (MAIN Board)
Pin No. Pin Name
1, 2
NC
3
(DAOUT0)
4
(DAOUT1)
5 SQSY
6 REMOCON
7 CONTROL A1 IN
8
BYTE
9
CNVSS
10
XIN-T
11
XOUT-T
12
SYSTEM RST
13
XOUT
14 GND
15
XIN
16
VCC (3.3V)
17
NMI
18
DQSY
19
P.DOWN
20
XINT
21, 22
JOG1, JOG0
23 to 25
NC
26 NC (BEEP)
27 to 30
NC
31
SWDT
32
SRDT
33
SCLK
34
FLCS
35
FLDATA
36
NC
37 FLCLK
38 to 47 NC
48
ADA RES
49
AMUTE
50
STBY
51
CHACK IN
52
PACK-IN
53 PACK-OUT
54 LDIN
55 LDOUT
56 LD-LOW
57, 58
NC
59
REC-P
60
PB-P
61
REC/PB (NC)
62
+3V
I/O
O
O Not used
O
I ADIP sync or subcode Q sync input from CXD2652AR
I Remote controls
I Signal input from CONTROL A1
I Not used
— Ground
O
Not used
O
I System reset input "L": reset
O Main clock output (7.0MHz)
— Ground
I Main clock input (7.0MHz)
— +3.3V power supply
I (Fixed at "H")
I Subcode Q sync input of digital in U-bit. CD format from CXD2652AR
I Power down detection input "L": Power down
I Interrupt status input from CXD2652AR
I JOG dial pulse input from the rotary encoder
O
O Not used
O
O Writing data signal output to the serial bus
I Reading data signal input from the serial bus
O Clock signal output to the serial bus
O Chip select signal output to the display driver
O Serial data signal output to the display driver
O Not used (Fixed at "L")
O Serial clock signal output to the display driver
O Not used
O Reset signal output to the D/A, A/D converter Reset: "L"
O Line out muting output Mute: "L"
O Strobe signal output to the power supply circuit Power supply ON: "H", stand by: "L"
I Detection input from the chucking-in switch "L": Chucking
I Detection input from the disc detection switch (Fixed at "L")
I Detection input from the loading out switch. Loaded out position: "L", Others: "H"
I Loading motor control input
O Loading motor control output
O Loading motor voltage control output Low voltage: "H"
O Not used
I Detection signal input from the recording position detection switch
I Detection signal input from the playback position detection switch
O Not used
— +3.3V power supply
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Function