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Pin
Mark
I/O
No.
Division
22
DSW0
I
23
DSW1
I
24
NC
—
25
VR
I
26
VC
O
27
FE
O
28
TE
O
29
ABCD
O
30
HFLI
I
31
NC
—
32 BOTTOM
O
33
PEAK
O
34
HFL
O
35
RFVEE
—
36
EQ0
O
37
EQI
I
38
RFOI
O
39
CHFL
O
40
RFVCC
I
41
ADIPCR
O
42
NC
—
Function
Disc mode setting input
terminal ("H":low reflection
rate disc, "L":high
reflection rate disc, both
DSW0 and DSW1 are "L":
laser off)
Disc mode setting input
terminal ("H":track is pit-
row, "L":track is group,
both DSWO and DSW1 are
"L":laser off)
Not used, open
For pass-com 1/2 VCC
(reference voltage) input
terminal
1/2 VCC (reference voltage)
output terminal
Focus error signal output
terminal
Tracking error signal
output terminal
Main beam light quantity
signal output terminal
For making HFL signal
input terminal (when group
mode)
Not used, open
Bottom signal of RF signal
output terminal
Peak signal of RF signal
output terminal
Track detection signal
input terminal
GND terminal
RF equalizer output
terminal
RF equalizer input terminal
RF signal output terminal
Capacitor connection
terminal for bottom hold
Power supply terminal
ADIP carrier signal output
terminal
Not used, connected to
GND
24
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