m62481fp Mitsumi Electronics, Corp., m62481fp Datasheet - Page 69

• Manufacturer Part Number: m62481fp
• Description: Pickup Servo System With Automatic Adjustment
• Manufacturer: Mitsumi Electronics, Corp.

D-62481-87I
•FBAL ( R3; D11), FGAIN ( R3; D13), TGAIN ( R3; D12)
• TBAL ( R0; D9 )
R3; D11
FBAL
R3;D12(TGAIN)
R3;D13(FGAIN)
0
0
0
0
1
1
1
1
R3;D11(FBAL)
R0;D9(TBAL)
Control bit
Control circuit example
R0; D9
TBAL
0
1
• MLA/DIS pin 23 ( Discharge )
Control bit
R3; D13
FGAIN
0
0
1
1
0
0
1
1
MLA/DIS
ADJ TBAL
0
1
close
open
R3; D12
TGAIN
0
1
0
1
0
1
0
1
discharge
close
open
FG SIG
open
open
close
close
open
open
Track Balance adjustment
close
close
Remark
FG RET
close
close
open
open
open
open
close
close
Switches
PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT
TG SIG
(
open
close
MITSUBISHI
open
Remark
close
open
close
open
close
68
ELECTRIC
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TG RET
open
close
open
close
open
close
open
close
MITSUBISHI SOUND PROCESSOR LSI
ADJ GAIN
close
close
close
open
open
open
open
open
ADJ FBAL
open
close
close
open
open
open
open
open
M62481FP
Focus Balance adjustment
ADJ GAIN
CMP OFFSET
Track Gain adjustment
Focus Gain adjustment
Remark