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QQ
3 7 63 1515 0
Pin No.
Pin Name
81
TEST1
82
ADFG
83
TS25
84
LDDR
85
TRDR
86
TFDR
87
FFDR
88
DVDD
89
FRDR
90
FS4
91
SRDR
92
SFDR
93
SPRD
94
SPFD
95
DCLO
96
DCLI
97
XDCL
98
OFTRK
99
COUT
100
DVSS
TE
L 13942296513
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I/O
I
Test pin (Fixed at "L")
Input of ADIP dual FM signal from RF amplifier (22.05 kHz ±1 kHz)
I
(TTL Schmidt input)
I
Test pin (Fixed at "L")
O
Laser APC signal output
O
Tracking servo drive signal output (–)
O
Tracking servo drive signal output (+)
O
Focus servo drive signal output (+)
—
Power supply (+5V) (Digital)
O
Focus servo drive signal output (–)
O
176.4 kHz clock signal output (MCLK) (Not used)
O
Sled servo drive signal output (–)
O
Sled servo drive signal output (+)
O
Spindle servo drive signal output (–)
O
Spindle servo drive signal output (+)
O
Not used normally
I
Not used normally (Fixed at "H")
O
Not used normally
O
Off track signal output (Not used)
O
Traverse count signal output (Not used)
—
Ground (Digital)
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
— 119 —
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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