MDS-J3000, MDS-J3000ES - Sony Audio Service Manual (repair manual). Page 52

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— 69 —
Pin No.
Pin Name
I/O
Function
• IC401 System Control (RU8X11AMF-0103)
1
2
3 to 5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
O
O
I
I
I
I
I
I
I
I
I
I
I
O
O
O
I
I
O
I
O
I
O
O
I
I
I
I
O
I
I
O
O
Test pin. C1 is output when test mode (Not used)
Test pin. ADER is output when test mode (Not used)
Key input pin (D/A input)
Detection input from the chucking-in switch
“L”: Chucking
Detection input from the disc detection switch
Detection input from the loading out switch. Loaded out position: “L”, Others: “H”
Key input pin (D/A input)
Ground (Analog)
Interrupt status input from the CXD2650R
POWER DOWN signal input
“L”: Down
Remote control signal interrupt input
ATP address sync or subcode Q sync (SCOR) input from the CXD2650R
“L” is input every 13.3 msec
Almost all, “H”
Digital-In U-bit CD format subcode Q sync (SCOR) input from the CXD2650R
“L” is input every 13.3 msec
Almost all, “H”
Not used
DAOUT 0
DAOUT 1
KEY 0 to KEY 2
CHUCK IN
PACK IN
PACK OUT
TIMER SW
SOURCE SW
(AVSS)
XINT
POWER DOWN
REMOCON
SQSY
DQSY
SYSTEM-RST
(TEST)
3.3V
VBAT
XOUT-T
XIN-T
GND
XOUT
XIN
GND
(S1)
SENS
SHOCK
REC/OTHER
STB
REC P
PLAY P
LOAD V
System reset signal input
For several hundreds msec after the power supply rises, “L” is input, then it changes to “H”
Test pin (Fixed at “L”)
+3.3V power supply
Power supply pin to RTC (clock) and RAM
Clock output (32.768 kHz) (For clock)
Clock input (32.768 kHz) (For clock)
Ground
Main clock output (12 MHz)
Main clock input (12 MHz)
Ground
Not used
Internal status (SENSE) input from the CXD2650R
Track jump signal input from the CXD2650R
BEEP sound output switching signal input (Not used)
Not used
Strobe signal output to the power supply circuit
Power supply ON: “H”, stand by: “L”
Detection signal input from the recording position detection switch
Detection signal input from the playback position detection switch
Loading motor voltage control output
Not used
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