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3-15. CAPSTAN
PHASE SYSTEM TIMING CHART
(REC MODE)
FG | 4FG
COUNT DOWN FG |
Ee 360H2| 1440Hz —- 1/16 — 90Hz
au
[180Hz| 720Hz
1/8 —» 90Hz
pm
[120Hz| 480Hz
1/8 —-60Hz
pm mode
ee
Sp a
INT
VD
0
ee
eee a ee
TRACKING CONTROL
af
INPUT
FG
IN (1)
FGK4
FOX 4/4
Fox 4/8
FG
MASKING
27.38mS
RAMP
5V/4.57 msec
ERROR
VOLTAGE
REC
CTL
ee
gee
ee
eee
3-16. CAPSTAN PHASE SYSTEM
TIMING CHART
(P/B MODE)
3-18. DRUM
PI
CTL
HEAD
ouT
EE
SSS
=
A
PG(B)
CTL AMP OUT —_
Tt
160m Vp-p
PG B PUL
(LINEAR)
|
|
|
SCHMITT
TRIGGER
OUT
PG
DL
(Bct
A
hb
CXI94 IN
eer.
(1C001 (6)
VG
INT VD
TRACKING CONTROL
"8
DELAY
i
RAMP
|
5V/4, 87 msec
VG DL
{
|
1
|
|
\
T
|
1
i
1
1
\
1
\
\
i
TRACKING CONTROL
'
\
f
INPUT
a
ak
7
RFSW
m
)
:
EXTERNAL ite
2 eter
he
PHASE ER
VOLTAGE
3-17, CAPSTAN
SPEED SYSTEM TIMING CHART
pil mode
FEU)
80mVp-p
2.08msec__»
FG AMP
{
UT
CI)
OUT
(icoz4a@)
FG
Aue
ee
ee
Se
OuT(2)
(1co24@)
LPF
OUTI
cx194 @
(cool)
4
cxi94 @
nite!
|
Sv/3.43msec
|
i
ERROR VOLTAGE
3-19. RELATIC
FG(2)
PWM
OUT
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