Sony SLV-7700KME, Руководство по обслуживанию

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6-4
Signal
Pin No.
I/O
PB
SLOW
x 2
CUE
REVIEW
REC
AF ENV
IC201
%∞
I
AF RF en
v
elope signal input terminal f
or automatic trac
king.
A MUTE
IC201
!¶
L
L
L
L
HHHHH
L
L
N
AREC P
IC201
!§
O
L
L
L
LLLLLL
H
L
AF REC P
IC201
4
O
L
L
L
LLLLLL
H
L
AF SWP
IC201
100
O
*
1*
1
*
1
*
1*
1*
1*
1*
1*
1*
1
*
1
FULL ERS
IC201
#§
H
H
H
HHHHHH
L
H
Signal
Pin No.
I/O
I/O level
ASURA RESET
IC201
$º
I
Normally "H", "L" when service interruption is detected or restored.
ASURA CS
IC201
$¢
I
Chip select signal fr
om timer micr
oprocessor
. V per
iod "L" pulse
.
S IN 0
IC201
$∞
I
Serial comm
unica
tion data fr
om timer micr
oprocessor
. V per
iod "L" pulse.
S OUT 0
IC201
$§
O
Serial comm
unica
tion data to timer micr
oprocessor
. V per
iod "L" pulse.
S CLK
IC201
$¶
I
Serial comm
unica
tion c
loc
k with timer micropr
ocessor
.
V per
iod "L" pulse.
6-4. SYSTEM CONTROL
– SYSTEM CONTROL
PERIPHERAL
CIRCUIT INTERF
ACE (MA-303 BOARD IC201)
6-5. SYSTEM CONTROL
– Hi-Fi
AUDIO BLOCK INTERF
ACE (MA-303 BOARD IC201)
REC •
P
AUSE
ST
OP/
FF/
REW
T
APE
LOADING
T
APE
UNLOADING
PB •
P
AUSE
*1. 25 Hz (P
AL)/30 Hz (NTSC) 50% duty pulse a
ppr
ox. 5 msec dela
y
ed from RF SWP
.
Signal
Pin No.
I/O
PB
SLOW
x 2
CUE
REVIEW
REC
N
A
PB
IC201
(•
O
L
L
L
HHHHHH
L
L
A MUTE
IC201
!¶
L
L
L
*
1
HHHHH
L
L
SP
IC201
(™
O
*
2*
2
*
2
*
3*
3*
3*
3*
3*
2*
2
*
2
N
AREC P
IC201
!§
O
L
L
L
LLLLLL
H
L
FULL ERS
IC201
#§
H
H
H
HHHHHH
L
H
6-6. SYSTEM CONTROL
– NORMAL
AUDIO BLOCK INTERF
ACE (MA-303 BOARD IC201)
REC •
P
AUSE
ST
OP/
FF/
REW
T
APE
LOADING
T
APE
UNLOADING
PB •
P
AUSE
O
(O.D)
O
(O.D)
*1. 25 Hz (P
AL)/30 Hz (NTSC) 50% duty pulse a
ppr
ox. 5 msec dela
y
ed from RF SWP
.
*2. Selected b
y
REC mode selector
. SP mode: "L".
*3. Selected by tape recording mode. SP mode: "L".
O
(O.D)
O
(O.D)