Panasonic SJ-MJ75 Service Manual page 47

Pin Mark I/O
No. Division
1 PPIT —
2 VCC I
3 J I
4 I
5 F I
6 E
7 D I
8 C
9 B
10 A
11 VEE —
12 LDO O
13 LDS I
14 LDREF I
15 FBAL I
16 TBAL I
17 TOFFSET I
18 FOFFSET I
19 AOFFSET I
20 SGC I
21 DSW0 I
22 DSW1 I
Function
Pit/Group discrimination
input terminal ("H":pit, "L":
group) (Not used, open)
Power supply input
terminal
RF signal that I-V
converted input terminal
Side beam signal that I-V
converted input terminal
Main beam signal that I-V
converted input termianl
GND terminal
APC output terminal
Laser light quantity that I-V
converted input terminal
Laser control signal input
terminal
Focus balance control
signal input terminal
Tracking balance control
signal input terminal
Tracking offset control
signal input terminal
Tracking offset control
signal input terminal
ABCD offset control signal
input terminal
AGC control signal input
terminal
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)
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