m62481fp Mitsumi Electronics, Corp., m62481fp Datasheet - Page 57

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

MR IN
D-62481-87I
HF OUT 48
MR IN
47
MR(Ratio) =
Brake Bit
• MR ratio
•Mirror Detector Circiut
•HFOK Detector Circiut
47
Bottom hold
Peak hold
Brake
( R0; D5)
5.1k
0
1
B
A
51k
51k
=
=
0.52 :MR-ON, 0.58 :MR-ON
0.41 :MR-ON,0.47 :MR-OFF
BW WIDE
R1;D13
Switch
Close
Open
51k
( normal )
( brake )
51k
Vref-0.19V
MR( Ratio )
0.41 :MR-ON
0.47 :MR-OFF
0.52 :MR-ON
0.58 :MR-OFF
MRC
43
Peak hold
(Low speed)
Brake
R0;D5
PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT
(
MITSUBISHI
56
ELECTRIC
MR
V 47
Vref
/ 88 )
20k
10k
27.5k
HFC
42
MITSUBISHI SOUND PROCESSOR LSI
18.5k
A
26k
13k
MR-ON
20k
B
MR-OFF
HFOK
M62481FP
S
R
V
REF
Q
V
= 1/2Vcc
REF
= 1/2Vcc
MR
( Internal)
t