Denon DVD-1600 Service Manual page 46

14.2. SERBO BLOCK DIAGRAM
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1 B2
A1 A2
A4 A3
HEAD
AMP
B4 B3
LASER DIODE
LASER DIODE
IC6201
(MAIN CPU)
Q5211
LD DRIVE
Q5215
LD DRIVE
65
Q5271
67 AMP
6
77
76
IC5201
(FEP)
VIN11
62
VIN12
63
VIN1
57
VIN2
58
VIN3
59
VIN4
60
VIN5,7 49
51
VIN6,8 50
52
VIN9
53
VIN10
54
2
1
LPC
AMP
4
3
HDTYPE
64
RFINP
47
RFINN
48
RFDIFO
34
EQ
POFLT
8
RFC
37
DSFLT
32
46
AMP
ADD
SW
ADD
ADD
ADD
+
-
ADD
EQ
EQ
TBAL
EQ
MIRRO DET.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U