Sony SLV-EX50, Руководство по обслуживанию

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5-2
Signal
CAM
MODE 1
MODE 2
MODE 3
MODE 4
REC PRF
T REEL
S RELL
END-LED
CAP PVS
T SENS
S SENS
Pin No.
MA-402
IC101
45
MA-402
IC101
37
MA-402
IC101
38
MA-402
IC101
39
MA-402
IC101
40
MA-402
IC101
86
MA-402
IC101
42
MA-402
IC101
41
MA-402
IC101
49
MA-402
IC101
90
MA-402
IC101
33
MA-402
IC101
32
O
(O.D)
CASSETTE
LOADING
CASSETTE
UNLOADING
TAPE
THREAD-
ING
TAPE
UNTHREAD-
ING
STOP F F R E W PB
PB
PAUSE
SLOW x 2 CUE REVIEW REC
REC •
PAUSE
H
*1
*1
*1
*1
*2
H/L
*3
*4
H
*6
*6
I/O
EJECTED
O
I
I
I
I
I
I
I
I
I
I
Hi-Z
H
H
L
L
H
H/L
H/L
*4
L
*4
*4
H
L
L
L
H
*2
H/L
H/L
*4
*4
*4
L
L
L
L
H
*2
H/L
H/L
*4
*4
*4
L
*1
*1
*1
*1
*2
H/L
*3
*4
L
*6
*6
H
L
L
L
H
*2
H/L
H/L
*4
H/L
*4
*4
*7
H
H
L
H
*2
*3
*3
*4
H
*6
*6
*7
H
H
L
H
*2
*3
*3
*4
L
*6
*6
*7
H
H
L
H
*2
*3
*3
*4
H
*6
*6
*7
H
H
L
H
*2
H/L
H/L
*4
H
*6
*6
*7
H
H
L
H
*2
*3
*3
*4
H
*6
*6
*7
H
L
L
L
*2
*3
*3
*4
H
*6
*6
*7
H
L
L
L
*2
*3
*3
*4
H
*6
*6
*7
L
L
H
L
*2
*3
*3
*4
L
*6
*6
*7
H
L
L
L
*2
*3
*3
*4
H
*6
*6
*7
H
L
L
L
*2
H/L
H/L
*4
H
*6
*6
5-3. SYSTEM CONTROL – MECHANISM BLOCK INTERFACE (MA-402 BOARD IC101)
*1. Uncertainty.
*2. “L” when erasing protection tab is bent, “H” when not bent.
*3. Pulse of period in proportion to reel rotating speed.
*4. Approx.2 msec period “H” pulse.
*5. Pulse at tape running. *6. Normally “L”. 2 msec period “H” pulse when tape top or tape end is detected.
*7. When transition to UNLOADING direction: L.
When Transition to LOADING direction: H.
When CAM motor is stopped: Hi-Z.
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