Sony MDSJE320 Service Manual - Page 44

Sony MDSJE320 - MiniDisc Recorder Manual

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• IC316 System Control (RU8X11AMF-0109/RU8X11AMF-0115) Pin No. Pin Name I/O Function 1 DAOUT 0 O Test pin. C1 is output when test mode (Not used) 2 DAOUT 1 O Test pin. ADER is output when test mode (Not used) 3 to 5 KEY 0 to KEY 2 I Key input pin (D/A input) 6 CHUCK IN I Detection input from the chucking-in switch "L": Chucking 7 PACK IN I Detection input from the disc detection switch 8 PACK OUT I Detection input from the loading out switch. Loaded out position: "L", Others: "H" 9 TIMER SW 10 SOURCE SW I I Key input pin (D/A input) 11 (AVSS) - Ground (Analog) 12 XINT I Interrupt status input from the CXD2650R or CXD2652AR 13 POWER DOWN I POWER DOWN signal input "L": Down 14 REMOCON I Remote control signal interrupt input 15 SQSY ATP address sync or subcode Q sync (SCOR) input from the CXD2650R or I CXD2652AR "L" is input every 13.3 msec Almost all, "H" 16 DQSY Digital-In U-bit CD format subcode Q sync (SCOR) input from the CXD2650R or I CXD2652AR "L" is input every 13.3 msec Almost all, "H" 17 - - Not used 18 - 19 - - Not used - 20 SYSTEM-RST System reset signal input I For several hundreds msec after the power supply rises, "L" is input, then it changes to"H" 21 (TEST) I Test pin (Fixed at "L") 22 +3.3V - +3.3V power supply 23 VBAT - Power supply pin to RTC (clock) and RAM 24 XOUT-T O Clock output (32.768 kHz) (For clock) 25 XIN-T I Clock input (32.768 kHz) (For clock) 26 GND - Ground 27 XOUT O Main clock output (12 MHz) 28 XIN I Main clock input (12 MHz) 29 GND - Ground 30 (S1) 31 - - - Not used 32 SENS I Internal status (SENSE) input from the CXD2650R or CXD2652AR 33 SHOCK I Track jump signal input from the CXD2650R or CXD2652AR 34 REC/OTHER I BEEP sound output switching signal input (Not used) 35 - I Not used 36 STB O Strobe signal output to the power supply circuit Power supply ON: "H", stand by: "L" 37 REC P I Detection signal input from the recording position detection switch 38 PLAY P I Detection signal input from the playback position detection switch 39 LOAD V O Loading motor voltage control output 40 - O Not used - 60 -

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— 60 —
• IC316 System Control (RU8X11AMF-0109/RU8X11AMF-0115)
Pin No.
Pin Name
I/O
Function
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
—
—
—
I
I
—
—
O
I
—
O
I
—
—
—
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 or CXD2652AR
POWER DOWN signal input
“L”: Down
Remote control signal interrupt input
ATP address sync or subcode Q sync (SCOR) input from the CXD2650R or
CXD2652AR
“L” is input every 13.3 msec
Almost all, “H”
Digital-In U-bit CD format subcode Q sync (SCOR) input from the CXD2650R or
CXD2652AR
“L” is input every 13.3 msec
Almost all, “H”
Not used
Not used
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 or CXD2652AR
Track jump signal input from the CXD2650R or CXD2652AR
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
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
—