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7 SYSTEM CONTROL TIMING CHARTS
[ VCR Section ]
Mode SW : LD-SW
LD-SW Position detection
A/D Input voltage Limit
Symbol
(Calculated voltage)
3.76V~4.50V
EJ
(4.12V)
4.51V~5.00V
CL
(5.00V)
0.00V~0.25V
SB
(0.00V)
1.06V~1.50V
TL
(1.21V)
0.66V~1.05V
FB
(0.91V)
1.99V~2.60V
SF
(2.17V)
1.51V~1.98V
SM
(1.80V)
3.20V~3.75V
AU
(3.40V)
0.26V~0.65V
AL
(0.44V)
4.51V~5.00V
SS
(5.00V)
2.61V~3.19V
RS
(2.97V)
Note:
EJ
RS: Loading FWD (LM-FWD/REV "H")
RS
EJ: Loading REV (LM-FWD/REV "L")
Stop (A) = Loading
Stop (B) = Unloading
Note:
Symbol
Loading Status
EJ
Eject
CL
Eject ~ REW Reel
SB
REW Reel ~ Stop(B)
TL
Stop(B) ~ Brake Cancel
FB
Brake Cancel ~ FF / REW
SF
FF / REW ~ Stop(M), (FF / REW)
SM
Stop(M), (FF / REW) ~ Stop(A)
AU
Stop(A) ~ Play / REC
AL
Play / REC ~ Still / Slow
SS
Still / Slow ~ RS (REW Search)
RS
RS (REW Search)
32
Note:
Still/Slow Control
Frame Advance Timing Chart
1) SP Mode
18 RF-SW
The first rise of RF-SW after a rise in F-AD signal
F-AD
(Internal Signal)
AT
C-DRIVE
"L"
Acceleration Detection (T1)
PB CTL
27 C-F/R
79 H-A-SW
78 ROTA
STILL
"H"
"H"
"Z"
"L"
Stop detection (T2)
ST
Slow Tracking Value
Reversal Limit Value
BL
20ms
FRAME ADVANCE
STILL
Fig. 1
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