Servo Block Diagram - Panasonic DVD-RV31 Service Manual

DVD-RV31 / DVD-RV41

14.2. SERVO BLOCK DIAGRAM

OPTICAL PICK UP UNIT
PHOTO DETECTOR
B1 B2
A1 A2
A4 A3 HEAD
B4 B3 AMP
LASER DIODE
LASER DIODE
IC6303
(EEPROM)
SCL 6
SDA 5
IC6201
(CPU)
47
70
72
56
53
45
46
76
71
IC5201 (FEP)
VIN7
40
VIN8
41
VIN1
43 EQ
VIN2
44 EQ
VIN3
45 EQ
VIN4
46 EQ
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
-
+
SCK
10
SEN
9 S-IF REG
STDI0
11
AMP
AMP
AMP
AMP
HPF
COMP.
DEFFERENTIAL
PHASE DET.
HPF
COMP.
HPF
COMP.
DEFFERENTIAL
PHASE DET.
HPF
COMP.
AMP
AMP
-
+
VREF
-
VREF +
DPDOFT
DET.
LEVEL
CONT.
POFLT
MIRROR BDO
DET. DET.
LEVEL LEVEL
CONT. CONT.
34
PEAK
HOLD 36
FBAL
- -
13
+ +
-
20
+
RSCL S LINE
16
15
21
26
+
-
27
ENV
CSAG
DET.
DCAGC
BDOSL
AGC
CONT.
FC BOOST
AGCG
CONT. CONT.
-
+ EQ VGA
GD
CONT.
IC2001 A
(DSC)
RFENV
100
TE
2
TBAL
7 43
FE
3
FBAL
6 44
BDO
49
OFTR
47
FS
1
DFLTON
8
DFLTOP
9
CPSEN
85
CPCEN
86
CPUIRQ
87
SBT1
88
SBO1
89
SBI1
90
B