Sony SLV-E170EE - Page 48

6-3.
SYSTEM
CONTROL
—
SYSTEM
CONTROL
PERIPHERAL
CIRCUIT
INTERFACE
(MA-293
Board
1C160)
MA-293
Board
eee
:
RESET
1c160@
I
|
Normally
“H”.
“L”
when
service
interruption
detected
or
restored.
PLL
DATA
MA-293
Board
f
=
ee
(12C
DATA)
1c160
@
VO
|
Serial
communication
data
to
audio
microprocessor.
MA-293
Board
5
ut
ie
12C
CLOCK1
1c160
@
O
|
Serial
communication
clock
to
audio
microprocessor.
MA-293
Board
en
.
‘
12C
DATA
VIDEO
Ic160@
VO
|
Serial
communication
data
to
video
microprocessor.
MA-293
Board
ae
.
12C
CLOCK
VIDEO
|
1c160
®
O
|
Serial
communication
clock
to
video
microprocessor.
MA-293
Board
ie
;
(RP)
§
OUTI
1c160@
VO.
|
Serial
communication
data
to
RP
microprocessor.
MA-293
Board
=.
;
(RP)
SCLKI
1C160
@
O
|
Serial
communication
clock
to
RP
microprocessor.
STOP/FF TAPE
Bale.
HO
EW
LOADING
|
UNLO
MA-293 Board
RFSWP | ic160@
MA-293 Board
MA-293 Board
MA-293 Board
*1,
Synchronized
with
drum
rocation.
25Hz
50%
duty
pulse.
*2,
Normal
“L”.
“H’”
when
video
signal
is
not
rgenerated.
*3.
Composite
sync
signal
(positive).
6-5.
SYSTEM
CONTROL
—
AUDIO
BLOCK
INTERFACE
(MA-293
Board
IC1
60)
TAPE
LOADING
; : STOP/FF
S Pin No.
: =
MA-293 Board
A
MUTE
IC160
@
L
L