Sony SLV-7700KME, Руководство по обслуживанию

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6-2
Signal
Pin No.
I/O
ST
OP
FF
REW
PB
SLOW
CUE
x 2
REVIEW
REC
REC CTL
IC201
7
O
*
1*
1*
1
*
1
*
1
*
1
*
1
*
1*
1*
1
*
1
*
1
*
1
CAP ST
OP
IC201
#∞
LL
*
3
STEP PLS
IC201
(ª
O
LLL
L
L
L
L
*
2
L
L
L
L
L
CTL REC
IC201
(¢
O
LLL
L
L
L
L
LL
L
L
H
L
H
CTL INDEX
IC201
(§
O
LLL
L
L
L
L
LL
L
L
L
L
H
PB CTL
IC201
^¶
I
H
*6
*6
*1
H/L
*2
*6
*6
*6
*1
H
DRM PG
IC201
^•
I
*
4*
7*
7
*
5
*
5
*
7
*
7
*
7*
7*
7
*
7
*
7
*
7
DRM FG
IC201
^ª
I
*
4*
8*
8
*
5
*
5
*
8
*
8
*
8*
8*
8
*
8
*
8
*
8
CAP FG
IC201
&º
I
H/L
*6
*6
*5
*5
*6
H/L
*9
*6
*6
*6
*6
H/L
CAP D
A
IC201
&£
O
*10
*10
*10
*10
*10
*11
*10
*10
*11
*11
*11
*11
*10
DRM D
A
IC201
&¢
O
*12
*12
*12
*12
*12
*12
*12
*12
*12
*12
*12
*12
*12
CTL STEP
IC201
&§
O
LLL
L
L
L
L
*
1
1
L
L
L
L
L
6-2. SYSTEM CONTROL
– SER
VO PERIPHERAL
CIRCUIT INTERF
ACE (MA-303 BOARD IC201)
T
APE
THREAD-
ING
T
APE
UNTHREAD-
ING
PB •
P
AUSE
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
HI-Z
(O.D)
O
(O.D)
*1. 25 Hz (P
AL)/30 Hz (NTSC) pulse.
*8. 300 Hz (P
AL)/360 Hz (NTSC) pulse
.
*2. Pulse at tape running.
*9. Pulse at tape running.
*3. Re
ver
se log
ic pulse of STEP PLS.
*10.
Appro
x. 2 msec period "H" or "L" pulse
.
*4. "L" when drum rotation stop.
*11.
Appro
x. 1.5 msec period "H" or "L" pulse.
*5. Unstable period pulse.
*12.
Appro
x. 3 msec period "H" or "L" pulse
.
*6. Pulse of period in proportion to tape speed.
*13. "H" when FWD direction STEP dri
v
e.
*7. 25 Hz (P
AL)/30 Hz (NTSC) pulse.
HI-Z
(O.D)
PB
INDEX
WRT/ERS
REC •
P
AUSE