Sony DVP-NC625, Руководство по обслуживанию

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5-2E
Pin No.
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85-92
93-100
101
102-109
110
111-118
119
120
Pin Name
VCC
CKSW1
OCSW1
CS0X
XRAMCS
CS2X
CS3X
CS4X
CS5X
VCCI
CS6X
CX7X
XWAIT
BGRNTX
BRQ
XRD
XWRH
XWRL
NMIX
VCCI
VSS
XFRRST
CPUCK
OCSW2
XDACS
TRM –
48/44.1K
WIDE
MAMUTE
SRAMWE
HD0-HD7
HD8-HD15
VSS
HA0-HA7
VCC
HA8-HA15
VSS
HA16
I/O
–
I
I
O
O
O
O
O
O
–
–
–
I
I
I
O
O
O
I
–
–
I
O
I
O
O
O
O
O
O
I/O
I/O
–
O
–
O
–
O
Function
Power supply (+3.3 V)
Chuck sensor input
Tray sensor input
External ROM chip select signal output
External RAM chip select signal output
AV DEC chip select signal output
AV DEC chip select signal output
ARP chip select signal output
SDSP chip select signal output
Power supply (+1.8 V)
Not used
Not used
Wait signal input
Test terminal (fixed at “H”)
Test terminal (fixed at “L”)
Read enable signal output
High order byte write enable signal output
Lower order-byte write enable signal output
Not used (Fixed at “H”)
Power supply (+1.8 V)
GND
IF CON reset signal input
CPU clock signal output
Tray sensor input
DAC (2 CH) chip select signal output
Motor drive output
PLL FS control signal output
LD mute signal output
Audio mute signal output
External RAM write enable signal output
Data bus D0 to D7 (16 bits only)
Data bus D8 to D15 (16 bits) and D0 - D7 (8 bits)
GND
Address bus A00 to A07
Power supply (+3.3 V)
Address bus A08 to A15
GND
Address bus A16