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OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1
B2
A1
A2
A4
A3
HEAD
B4
B3
AMP
LASER DIODE
LASER DIODE
IC6303
(EEPROM)
SCL
SDA
IC401
IC6201
(SYSTEM CONTROL)
(CPU)
IC6301
A23
RESET
82
NRST
P73
P75
IC6222
P87
1,2
4
BUFFER
P85
VD STAT
37
50
P82
AMP
A21
A22
P83
VD CMD
36
51
NIRQ0
IC6221
1,2
4
BUFFER
VD CLK
35
52
P84
AMP
P74
IC5201
(FEP)
VIN7
40
VIN8
41
VIN1
43
VIN2
44
VIN3
45
VIN4
46
VIN5
38
VIN6
39
VIN9
47
TBAL
VIN10
48
Q5211
LD DRIVE
3
2
LPC AMP
Q5215
LD DRIVE
5
4
RFINP
32
RFINN
33
TESTSG
VREF
DCRF
6
5
SCK
10
SEN
47
9
S-IF
REG
70
STDI0
72
11
56
53
45
46
76
71
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
HOLD
36
100
TE
-
13
2
+
TBAL
7
43
FE
20
3
FBAL
6
44
RSCL
S LINE
BDO
16
49
OFTR
15
47
FS
21
1
DFLTON
26
8
+
-
DFLTOP
27
9
CSAG
BDOSL
AGC
CONT.
AGCG
CPSEN
85
CPCEN
86
CPUIRQ
87
SBT1
88
SBO1
89
SBI1
90
B
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