32
7 SYSTEM CONTROL TIMING CHARTS
[ VCR Section ]
Mode SW : LD-SW
LD-SW Position detection
A/D Input voltage Limit
(Calculated voltage)
Symbol
3.76V~4.50V
(4.12V)
EJ
4.51V~5.00V
(5.00V)
CL
0.00V~0.25V
(0.00V)
SB
1.06V~1.50V
(1.21V)
TL
0.66V~1.05V
(0.91V)
FB
1.99V~2.60V
(2.17V)
SF
1.51V~1.98V
(1.80V)
SM
3.20V~3.75V
(3.40V)
AU
0.26V~0.65V
(0.44V)
AL
4.51V~5.00V
(5.00V)
SS
2.61V~3.19V
(2.97V)
RS
Note:
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)
Still/Slow Control
Frame Advance Timing Chart
1) SP Mode
18 RF-SW
F-AD
(Internal Signal)
C-DRIVE
PB CTL
27 C-F/R
79 H-A-SW
78 ROTA
AT
"H"
"Z"
"H"
"L"
"L"
ST
BL
STILL
FRAME ADVANCE
STILL
The first rise of RF-SW after a rise in F-AD signal
Stop detection (T2)
Slow Tracking Value
Acceleration Detection (T1)
Reversal Limit Value
20ms
Fig. 1
Summary of Contents for DV-PF33U
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Page 75: ...10 3 6 Main 6 8 Schematic Diagram ...
Page 76: ...11 3 7 Main 7 8 DVD OPEN CLOSE Schematic Diagrams ...
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Page 81: ...16 3 12 DVD Main 2 3 Schematic Diagram ...
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Page 86: ...21 5 2 Main CBA Bottom View ...