Sony MDS-JE530 Service Manual page 50

• MAIN BOARD IC501 M30624MG-207FP (SYSTEM CONTROLLER)
Pin No. Pin Name
1, 2 NC
3 C1
4
ADER
5 SQSY
6 RMC
7 A1 IN
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 KEYBOARD CLK
21
KEYBOARD DATA
22 NC
23 XINT
24 to 26 NC
27
KEYBOARD CONT
28 to 30 NC
31 SWDT
32 SRDT
33 SCLK
34 FLCS
35
FLDATA
36 NC
37 FLCLK
38, 39 NC
40 ADA LATCH
41 NC
42 JOG1
43 JOG0
44 NC
45
A1 OUT
46 NC
47 NC
I/O
O Not used (open)
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)
Sircs remote control signal input of the CONTROL A1
I
Used for the AEP, UK and North European models only
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) Not used (open)
O Sub system clock output terminal (32.768 kHz) Not used (open)
System reset signal input from the LA5632 (IC431) and RESET switch (S401) "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
Not used (fixed at "H")
I
Not used (fixed at "H")
O Not used (open)
I Interrupt status input from the CXD2656R (IC121)
O Not used (open)
O
Not used (pull up)
O Not used (open)
O
Writing data output to the CXD2656R (IC121) and A/D, D/A converter (IC321)
I
Reading data input from the CXD2656R (IC121)
O
Serial clock signal output to the CXD2656R (IC121) and A/D, D/A converter (IC321)
O Chip select signal output to the FL/LED driver (IC771)
O Serial data output to the FL/LED driver (IC771)
O Not used (open)
O Serial data transfer clock signal output to the FL/LED driver (IC771)
O Not used (open)
O Serial data latch pulse signal output to the A/D, D/A converter (IC321)
I Not used (fixed at "L")
JOG dial pulse input from the rotary encoder (S713 ≠ AMS ±) (B phase input)
I
JOG dial pulse input from the rotary encoder (S713 ≠ AMS ±) (A phase input)
I
O Not used (open)
Sircs remote control signal output of the CONTROL A1
O
Used for the AEP, UK and North European models only
I Not used (fixed at "H")
O Not used (open)
Description
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