Table of Contents
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AN8772FHQ
RF AMP
MD OPTICAL PICKUP
VREF
RF1
RF2
E
D
A
F1
I
J
C
B
F2
F
A
B
VREF
C
VREF
D
VREF
Q1
+B11
LASER
POWER
DRIVE
VR1
(LASER
POWER ADJ.)
Q3
POWER
SUPPLY
+B11
TRACKING COIL
FOCUS COIL
M
M2
TRAVERSE
MOTOR
M
M1
SPINDLE
MOTOR
IC1
+B11
36
35
34
33
32
37
VREF
AGC
38
RF1
39
RF2
EQ
SW
40
F1
3 tap
41
F2
3 tap
43
CLPF2
44
A
45
B
42
CLPF1
46
C
4 tap
DARK DET.
48
CENVC
47
D
4 tap
DARK DET.
1
2
3
4
5
Q2
REC
DRIVE
HFON
11
VO4-
12
VO4+
13
VO3-
14
VO3+
15
VO2-
16
VO2+
17
VO4-
18
VO4-
PGND1
PGND2
19
10
+B11
20
31
30
29
28
27
SERIAL&PARALLEL
SELECT
SIGNAL
CONV./GATE
DARK DET.
RF BDO
3T DET.
NRFDET
AS BDO
VCA
VCA
FBAL
3 tap
VCA
4 tap
11 tap
TBAL
B.P.F.
VCA
6
7
8
+B11
TH1
1/2PVcc1
1/2 PVCC
1/2PVcc2
1/2 PVCC
VCC DET.
+B11
26
24
OFT IN
25
COMP
23
OFT O
22
CBD O
COMP
BDO/
21
TRCRS
TRCRS
COMP
ASGAIN
AS GAIN
17
COMP
19
AS/MON3T
14
LNP
AB GAIN
15
ABGAIN
VCA
11
TE
12
CRS IN
13
TGAIN
TGAIN
16
FE
18
FBAL
10
9
22
VREF
VREF
28
IN4
+B4
8
Q5,6
9
PVcc2
POWER
SUPPLY
27
IN3
26
PC2
TVON
21
25
IN2
20
PVcc1
+B4
24
SPON
PC1
23
IN1
AN8814SB-E1
7
Vcc
+B4
IC2
FOCUS/TRACKING
COIL,SPINDLE/TRAVERSE
MOTOR DRIVE
AS
LNP
TE
FE
FBAL
TRD
PC
FOD
TVD
SPD
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