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Sharp VC-S1000G Serviceanleitung Seite 67

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VC-S1000G(BK)
VC-S1000G(BK)
VC-S1000S(BK)
VC-S1000S(BK)
SERVO BLOCK DIAGRAM
0.3Vpp
DAUM
PG
DRUM
FG
Oe
fs
40mVp.p
$0701
23]
DRUM FG
$C701
iL pawn rea
PG
MLM,
$C703
(c7a2
e——resv
[rir nswr [S
@ ae
|
@
PC
5V
C727
Ala)
R740
C) TP701 (HEAD SWITCHING PULSE}
$702
<a
a
fo] snr >
n7eo seve
REFERENCE VOLTAGE
)
(34)anmn35)
27)
29)
(29)
GENERATOR
ANALOGUE
DIGITAL
TEST
C706
VCC.
vec
§C703
—.4
RESET
DRUM
FG
sw
UNIT
(RMOTP
1096GEZZ)
Os
eeremaa
Ho
@-
[aaa eT]
1,.2Vp 5
st
™ R706
ee
eas
C710
sn70)
$c702
a
faeourosire evn J)
es)
MH
ED
<e[ ert wean @ [>
@
eet
SD
<e[ ens nea © [>
C9
ERROR
AMP,
V.H.SW.P.SAMPLE
DAUM
FG
SCHMITT
AMP.
DRUM
SPEED
COMPARISON
COUNTER
DRUM
COMPENSATION
ROM
REFERENCE
COUNTER
$0701
a] oun ert E>
CAPSTAN
fsc/24
ERROR AMP,
TP702
(TRK
MM}
TRACKING
M.M,
CAPSTAN
MOTOR
UNIT
{AMOTN2019GEZZ)
8C702
<a )
CAPSTAN
SPEED
8701
SC703
ve
Dar ws [>
{PB
CTL}
SP/LP/EP
CAP,
APC
6 |
(4)
TAPE
SPEED
SHORT
SC703
mikes
Beanie
fs[ sr ui Ts
| Pa
CTL PULSE |
CTL
PULSE
14
CTL
DUTY
<a
Al
4H
seni. ATA
[stave ona Te]
[bury
cet [a]
$C701
20] CAPSTAN FG
20
0707
704
Vv
Mast
Al :
25¥
RH-IX0431GEZZ
C CAPSTAN REVERSE |
REVERSE
ahee bani
D713
Digital Servo
LSI
|
ons
CAPSTAN
FG
{Dig
LS!)
To be pressed against the capstan motor
3.0Voc
by master cam rotatian Jn slow/stii! mode.
V7Vpp
JT —------- ee
sc702
ee
ee
C
CTL GAIN SW
he>
aves
= d, 3 #750]
C742
R764
D709
D710
re
PB
CTL
P.
B
CTL
AM
0713
PB SW
O
O
sC701
fa]_6
ano om

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