Sony hmd-m11, Руководство по обслуживанию

Страница: 84 / 105

– 89 –
DIGITAL BOARD IC100 RU8X12MF-0012 (MECHANISM CONTROLLER)
Pin No. Pin Name I / O Function
1 DAOUT0 O
Output terminal for the test C1 is output when test mode
2 DAOUT1 O
Output terminal for the test ADER is output when test mode
3 KEY0 I
4 KEY1 I
Key input terminal Not used (fixed at “H”)
5 KEY2 I
6 CHACK-IN I
Detection input from the disc chucking-in detect switch (S685) “L”: chucking
7 PACK-IN I
Detection input from the disc detect switch Not used (fixed at “H”)
8 PACK-OUT I
Detection input from the loading-out detect switch (S686) “L” at a load-out position, others: “H”
9
—
I
Not used (fixed at “L”)
10
—
I
Not used (fixed at “L”)
11 AVSS
— Ground terminal
12 XINT
I Interrupt status input from the CXD2650R (IC121)
13 PDOWN
I Power down detection signal input terminal “L”: power down, normally: “H”
14
— I Not used (fixed at “L”)
15 SQSY
I
Subcode Q sync (SCOR) input from the CXD2650R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
16 DQSY
I
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2650R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
17
— I
18
— I Not used (fixed at “L”)
19
— I
20 SYS-RST I
System reset signal input from the master controller (IC700) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
21 TEST
I Input terminal for the test Fixed at “L” in this set
22 +3.3V
— Power supply terminal (+3.3V)
23 VBAT
I Power supply terminal for the backup (for internal RAM)
24 XOUT-T
O Sub system clock output terminal (32.768 kHz)
25 XIN-T
I Sub system clock input terminal (32.768 kHz)
26 GND
— Ground terminal
27 XOUT
O Main system clock output terminal (12 MHz)
28 XIN
I Main system clock input terminal (12 MHz)
29 EXMEM
I
Selected terminal for the RAM device
“L”: used for internal RAM, “H”: used for external RAM device (fixed at “L” in this set)
30 S1 O
System clock output terminal Not used (open)
31
—
I
Not used (fixed at “L”)
32 SENS
I Internal status (SENSE) input from the CXD2650R (IC121)
33 SHOCK I
Track jump detection signal input from the CXD2650R (IC121)
34
— I Not used (fixed at “L”)
35
—
I
Not used (fixed at “L”)
36 STB O
Strobe signal output to the main power supply circuit “H”: power on, “L”: standby mode
37 REC P I
Detection input from the recording position detect switch (S688) “L” active
38 PB P I
Detection input from the playback position detect switch (S687) “L” active
39 LD LOW
O Loading motor voltage control signal output to the loading motor driver (IC361)
40
— O Not used (open)
41 MNT2 I
Monitor 2 signal input from the CXD2650R (IC121)
42 MNT3 I
Monitor 3 signal input from the CXD2650R (IC121)