Panasonic SJ-MJ75, Руководство по обслуживанию

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