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OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
A4
A3
HEAD
AMP
B4
B3
LASER DIODE
Q5211
LASER DIODE
Q5215
IC5201
(FEP)
VIN7
40
VIN8
41
VIN1
43
VIN2
44
VIN3
45
VIN4
46
VIN5
38
VIN6
39
VIN9
47
TBAL
VIN10
48
LD DRIVE
3
2
LPC AMP
LD DRIVE
5
4
RFINP
32
RFINN
33
TESTSG
VREF
DCRF
SCK
10
SEN
9
S-IF
REG
STDI0
11
AMP
AMP
HPF
EQ
COMP.
DEFFERENTIAL
PHASE DET.
HPF
EQ
COMP.
HPF
EQ
COMP.
DEFFERENTIAL
PHASE DET.
HPF
EQ
COMP.
AMP
AMP
-
+
VREF
-
+
VREF
+
-
-
+
+
-
DPDOFT
+
DET.
-
LEVEL
-
CONT.
+
POFLT
MIRROR
BDO
DET.
DET.
LEVEL
LEVEL
CONT.
CONT.
AMP
AMP
FBAL
-
+
-
+
ENV
DET.
DCAGC
FC
BOOST
CONT.
CONT.
-
+
EQ
VGA
GD
CONT.
IC2001
A
(DSC)
PEAK
RFENV
RFENV
HOLD
36
35
RFENV
-
TE
TE
13
31
TE
+
TBAL
TBAL
7
4
TBAL
FE
FE
20
30
FE
FBAL
FBAL
6
1
FBAL
RSCL
S LINE
BDO
BDO
16
17
BDO
OFTR
OFTR
15
16
OFTR
FS
FS
21
32
AS
DFLTON
ARF
26
47
ARF
+
-
DFLTOP
NARF
27
49
NARF
CSAG
BDOSL
AGC
CONT.
AGCG
18
SEN
SCK
20
SCK
STDI
89
STDI
B
DVD-RP62P/PC
SERVO BLOCK DIAGRAM
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