Yamaha DVD-S1200 Service Manual page 30

A B
DVD-S1200
Q Q
3 7 6 3 1 5 1 5 0
1
BLOCK DIAGRAM (2/7)
OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1 B2
A1 A2
A4 A3
HEAD
2 AMP
B4 B3
3
LASER DIODE
LASER DIODE
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
5
IC6201
(CPU)
65
Q5271
6
67
w w w
6
77
7
76
29
C D
IC5201 (FEP)
VIN11
62
VIN12
63
VIN1
57
VIN2
58
VIN3 AMP
59
VIN4
60
VIN5,7 49
51
VIN6,8 50
52
VIN9
53
ADD
VIN10
54
Q5211
ADD
LD DRIVE 2
1
LPC
Q5215 AMP
LD DRIVE 4
ADD
3
HDTYPE
64
RFINP ADD
47
RFINN
48
ADD
RFDIFO
34
EQ
EQ
EQ
POFLT
8 MIRRO DET.
RFC
37
DSLFLT
AMP 32
x a o
. i
E http://www.xiaoyu163.com F
TBAL
FBAL
SW
Q Q
3 7
+
-
+
-
EQ
DIFFERENTIAL
TBAL PHASE
DET.
+
-
u 1 6 3
y
http://www.xiaoyu163.com
G H
2 4
8 9 9
+
-
-
+
-
+
+
-
LEVEL
CONT.
BDO
EQ
DET.
VCL.
ADJ.
OFTR
DET.
FC BOOST
CONT. CONT.
LEVEL
VGA
AGC
CONT.
CONT.
6 3 1 5 1 5 0 8 9
+
-
-
+
+
-
+
-
REG
S-LINE
J-LINE
m
c o
.
I J
2
8 9 9
IC2001 A
(ODC/DSC)
RFENV
41 120
BOTTOM
HOLD 42
PEAK
43
17
TE
18 118
TBAL
6 65
FE
22 117
FEN
21
FBAL
7 66
VHALF
29
VREF2
27
BDO
40 52
OFTR
39 51
2 4 AGCO 9 8 2 9 9
45
AGCG
44
AS
20 119
AGCOFST
23
AGCBAL
19
DFLTON
30 110
-
+
DFLTOP
31 111
AGCLVL
25
DCFLT
32
TESTSG
46
VFOSHORT
5
DCRF
38
RFOUT
35 124
SCK
13 54
STDIO
14 53
SEN
SIF 12 55
STANBY
11
IDGT
10
DTRD
9
RSCL
15
JLINE
16
NCS
34
ODCIRQ
2
ADSCIRQ
5
B