Sony MDS-JB930 Service Manual page 58

MAIN BOARD IC800 M30624MG-208FP (SYSTEM CONTROLLER)
Pin No. Pin Name
1 JOG1
2 JOG0
3 C1
4 ADER
5 SQSY
6 RMC
7 AIN1
8 BYTE
9 CNVSS
10 XT-IN
11 XT-OUT
12 S.RST
13 XOUT
14 GND
15 XIN
16 +3.3V
17
NMI
18 DQSY
19 P.DOWN
20 KBCLKIN
21 KBDTIN
22 NC
23 XINT
24 to 26 NC
27 KBCLKOUT
28 to 30 NC
31 SWDT
32 SRDT
33 SCLK
34 FLCS
35
FLDATA
36 NC
37 FLCLK
38 NC
39 CLKO
40 ADLATCH
41 NC
42 DVOL0
43 DVOL1
44, 45 NC
46 NC
58
I/O
Jog dial pulse input from the rotary encoder (S713 ≠ AMS ±) B phase input
I
I Jog dial pulse input from the rotary encoder (S713 ≠ AMS ±) A phase input
O
Monitor output terminal for the test C1 error rate is output when test mode
O Monitor output terminal for the test ADER is output when test mode
Subcode Q sync (SCOR) input from the CXD2656R (IC121)
I
"L" is input every 13.3 msec Almost all, "H" is input
I Remote control signal input from the remote control receiver (IC761)
I Sircs remote control signal input of the CONTROL A1 II
I External data bus line byte selection signal input "L": 16 bit, "H": 8 bit (fixed at "L")
— Ground terminal
I Sub system clock input terminal (32.768 kHz)
O Sub system clock output terminal (32.768 kHz)
System reset signal input from the LA5632 (IC700) "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
O Main system clock output terminal (10 MHz)
— Ground terminal
I Main system clock input terminal (10 MHz)
— Power supply terminal (+3.3V)
I Non-maskable interrupt input terminal (fixed at "H" in this set)
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2656R (IC121)
I
"L" is input every 13.3 msec Almost all, "H" is input
I Power down detection signal input terminal "L": power down, normally: "H"
I Serial data transfer clock signal input from the key board
I Serial data input from the key board
O Not used (open)
I Interrupt status input from the CXD2656R (IC121)
O Not used (open)
O Serial data transfer clock signal output to the key board
O Not used (open)
Writing data output to the CXD2656R (IC121), A/D converter (IC100) and D/A converter
O
(IC200)
I
Reading data input from the CXD2656R (IC121)
Serial clock signal output to the CXD2656R (IC121), A/D converter (IC100) and D/A converter
O
(IC200)
O Chip select signal output to the FL/LED driver (IC771)
O Serial data output to the FL/LED driver (IC771)
I Not used (fixed at "L")
O Serial data transfer clock signal output to the FL/LED driver (IC771)
O Not used (open)
O Not used (open)
O Serial data latch pulse signal output to the A/D converter (IC100)
I Not used (fixed at "L")
I Jog dial pulse input from the rotary encoder (RV760 REC LEVEL) A phase input
I Jog dial pulse input from the rotary encoder (RV760 REC LEVEL) B phase input
O Not used (open)
I Not used (fixed at "H")
Description