Sharp VL-E610S Service Manual page 61

6-3. VCR SECTION BLOCK DIAGRAM Drum/capstan servo system signal flow
IC703 IC704
System controller/servo IC Amplifier
72 2 1 52
66
67
73 5 7 57
68
60
Signal waveform
1
2
3
4
5
6
IC901 IC3701
IC3702
DRUMDRIVE
DC/DC
CAP DRIVE IC
Converter
1
64 6 2
29
11 13
18 15
62 3
CAPSTAN FG
24
ATF ERROR
REC AFC
PB ATF
CAP AFC
DRUM AFC
DRUM APC
IC705
4
18
IC3703
1
15 13 11 6 2 1
IC3701
18 29
5
7
IC704
2 1
CN8800
P902 P901
6-6
VL-E610S/VL-E610H VL-E610S/VL-E610H
VL-E660S/VL-E96E VL-E660S/VL-E96E
VL-E98E VL-E98E
IC1701
ATF IC P3301
5
7
9
19 7 18
13 54
P2601
54
IC4401
64 62
57
52
P601
SC601
9 60 66 67 68 72 73
7
IC701
5
3
24
5
2
SC904
SC902 SC903
6-7
6
13
19
7
3