Read Sony DVP-S9 / MHC-S9D Service Manual online
55
DVP-S9
•
MAIN BOARD IC401 M30622MAA-B33FP (INTERFACE CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 7
NC
—
Not used (open)
8
BYTE
I
External data bus line byte selection signal input “L”: 16 bits, “H”: 8 bits
Not used (fixed at “L”)
Not used (fixed at “L”)
9
CNVSS
—
Processor mode switch terminal (for test)
10
NC
—
Not used (fixed at “L”)
11
NC
—
Not used (open)
12
RESET
I
System reset signal input terminal
13
X-OUT
O
System clock output terminal (16 MHz)
14
VSS
—
Ground terminal
15
X-IN
I
System clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+5V)
17
NMI
I
Non-maskable interrupt input terminal Not used (fixed at “H”)
18
NC
—
Not used (open)
19
SYS CS
I
Chip select signal input from the system controller (IC103)
20 to 28
NC
—
Not used (open)
29
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output terminal
30
IIC-DATA
I/O
Communication data bus terminal
31
TXD1
I
Serial data input terminal (for test)
32
RXD1
O
serial data output terminal (for test)
33
CLK1
O
Serial clock signal output terminal (for test)
34
RTS1
O
RTS signal output terminal (for test)
35
SYS DATAOUT
O
serial data output to the system controller (IC103)
36
SYS DATAIN
I
serial data input from the system controller (IC103)
37
SYS CLK
O
Serial clock signal output to the system controller (IC103)
38
SYS POWER
O
Power ON/OFF control signal output terminal “H”: ON Not used (open)
39
NC
—
Not used (open)
40
SYS RST
O
System reset signal output terminal “L”: reset
41
NO-USE
—
Not used (fixed at “L”)
42
SYS RQ
O
Interrupt request signal output to the system controller (IC103)
43
SYS OK
O
System OK signal output to the system controller (IC103)
44
P.CONT
O
Power block ON/OFF control signal output terminal “H”: ON
45
NC
—
Not used (open)
46
NC
—
Not used (fixed at “H”)
47
DVDFRCHK
O
Flash memory (for DVD) check signal output terminal Not used (fixed at “H”)
48
VMUTE
O
Mute signal output to the video buffer (IC701) “H”: mute
49, 50
NC
—
Not used (open)
51
NC
—
Not used (fixed at “H”)
52
NC
—
Not used (open)
53
B-TRIG
O
Deck-B trigger plunger drive signal output terminal “H”: trigger plunger on
54
ECO CHECK
—
Not used (fixed at “H”)
55
A-TRIG
O
Deck-A trigger plunger drive signal output terminal “H”: trigger plunger on
56 to 58
NC
—
Not used (open)
59
REC/PB/PASS
O
Recording/playback/pass selection signal output terminal
“L”: recording, center voltage: playback, “H”: pass
“L”: recording, center voltage: playback, “H”: pass
60, 61
NC
—
Not used (open)
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