m62481fp Mitsumi Electronics, Corp., m62481fp Datasheet - Page 35

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

Focus gain adjustment mode (show to (78/88))
(R3;D3=1,D0->D2=0)
ViA(ViB) signal;
(38)G
(39)G
(40)BAL
(41)BAL
(42)
Phase shift signals (90+/-30deg.)
refer to JP1/SG at Focus gain mode.
note(5/6)
G
G
G
G
BAL
BAL
BAL
BAL
ViA(ViB) signal;
V
VFE
VFE
VTE
VTE
3
VFE
VTE
1
2
Vo
PhFE
Phase shift signals (90deg.)
refer to JP1/SG at Focus gain mode.
FE
FE
TE
TE
(max) ; R3 ; D0->D3=1
(min) ; R3 ; D0->D3=0
(max) ; R3 ; D4->D7=1
(min) ; R3 ; D4->D7=0
D-62481-87I
FE
TE
(max) ; R2 ; D0->D3=1
(min) ; R2 ; D0->D3=0
(max),G
(max),G
(max) ; R2 ; D4->D7=1
(min) ; R2 ; D4->D7=0
(max),BAL
(max),BAL
+ ,
5
2.5
0
V
PhFE
VFE
VTE
(min): refer to G
(min): refer to G
-
FE
TE
;
(min): refer to BAL
(min): refer to BAL
VFE
VTE
measurement (show to (10))
measurement (show to (21))
FE2
TE2
VREF=1/2Vcc
ViA(ViB) signal;
measurement (show to (10))
measurement (show to (21))
JP1/SG
Phase shift signals (90+30deg.)
refer to JP1/SG at Focus gain mode.
1KHz
3
Vo
1
2
ViB
ViA
PICKUP SERVO SYSTEM WITH AUTOMATIC ADJUSTMENT
1KHz
(
MITSUBISHI
60k
60k
5
35
3.3
0
ELECTRIC
/ 88 )
54
24
53
MITSUBISHI SOUND PROCESSOR LSI
JP1 input
Circuit
60k
60k
A-B
30k
30k
1
220k
1u
220k 47p
M62481FP
18
2
TE1
XOR
gain adjustment
3
ADJ GAIN
Charge
68k
1u
20
CMP
Vo