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Pin No.
Pin Name
42, 43
BUS
44
BUS XRD
45
BUS
46
BUS XWR
47
8830-CS
48
AUDIO MUTE
49
LOAD OUT
50
LOAD IN
51
INSW
52
OUTSW
53
MODEL1
54
MODEL2
55 to 61
A15 to A9
62
VCC
63
A8
64
VSS
65 to 72
A7 to A0
73
TEST LED
74
TEST1
75
TEST2
76
TEST3
TE
L 13942296513
77
DEVICE RESET
78
STANDBY
79
FL CS
80
FLBLK
81 to 88
D7 to D0
89
NC
90 to 92
KEY1 to KEY3
93
NT/PAL
94, 95
NC
96
AVSS
97
NC
98
VREF
99
AVCC
100
NC
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I/O
O
Not used (open)
O
Bus read signal output.
O
Not used.
O
Bus write signal output.
O
Chip select signal output. (IC505)
O
Audio muting on/off control signal output terminal "L": muting on Not used (open)
O
Loading motor drive signal output terminal Not used (open)
O
Loading motor drive signal output terminal Not used (open)
I
Disc detection (load in) switch input terminal Not used (fixed at "H")
I
Disc detection (load out) switch input terminal Not used (fixed at "H")
I
Destination setting terminal (fixed at "L")
I
Destination setting terminal (fixed at "L")
O
Address signal output for the external device. Not used
—
Power supply terminal (+5 V)
O
Address signal output for the external device. Not used (open)
—
Ground terminal
O
Address signal output for the external device.
O
LED drive signal output for the self diagnosis indicator (D502) Normally: "L" (LED on)
I
Setting terminal for the test mode 1 (for VCD check)
Normally: fixed at "H" ("L": test mode)
I
Setting terminal for the test mode 2 (for SERVO check)
Normally: fixed at "H" ("L": test mode)
I
Setting terminal for the test mode 3 Normally: fixed at "H" ("L": test mode)
Not used (fixed at "H")
O
System reset signal output to the CXD3008Q (IC101), BA5974FP (IC102) and D/A
converter (IC509) "L": reset
O
Standby on/off control signal output terminal Not used (open)
O
Chip select signal output terminal Not used (open)
O
Blank control signal output terminal Not used (open)
I/O
Two-way data bus with the external device Not used (open)
—
Not used.
I
Key input terminal Not used (fixed at "H")
I
Video system select switch (S501) input terminal
"L": PAL, "H": NTSC, Center voltage: AUTO
—
Not used.
—
Ground terminal (for A/D conversion)
—
Not used.
I
Reference voltage (+5 V) input terminal (for A/D conversion)
—
Power supply terminal (+5 V) (for A/D conversion)
—
Not used.
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2 9
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Function
Q Q
3
6 7
1 3
1 5
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9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
55
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