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T. LOAD
AMM
MS
_—
Cc
je)
24
0 | Pulse
24 1/0 | Pulse
bo
|
-|
ro)
oo
3]
GRID (9)
GRID (8)
GRID (7)
GRID (6)
GRID (5)
GRID (4)
GRID (3)
GRID e
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
SEGMENT
Hi
MATRIX 2
Hi
MATRIX 1
Hi
MATRIX 0
Hi/Lo | NICAM/A2
SEGMENT (
Level
CLOCK (S-T)
DATA (T-S)
DATA (S-T)
Hi
BUZZER
Buzzer
signal
output.
Pulse
| C. SYNC
Composite SYNC signal
input.
:
aQ
;
ESET
OSC 1(33kHz)
| Generates
a 32.768kHz clock signal for the timer during backup mode.
OSC 0(33kHz)
Hi
BLUE BACK
(n)
(m)
(1)
Enable signal from S-wP to T-wP.
These
are
the data bus lines between
the T-wP
and S-ywP.
The data
is
sent each other
synchronized with S.CLOCK
signal.
These
are
the data bus lines between
the T-uwP and NICAM DECODE/DUAL
SOUND DEMOD ICs. The data is communicated with these ICs synchronized
with the CLOCK signal.
Initializes
the
wP when
the wP
is powered.
Connected
to Ground.
Key matrix input terminals.
Phase
output
signals
are SEG. i~m commonly
used with the segment
driver terminals
for digital
multi
display.
Outputs "Hi" to make the background of the screen blue in the OSD menu
and programme
review modes, etc.
Tuner audio switching control signal.
Hi:NICAM,Lo:A2
(Not used)
Line
input switching
control
signal.
Hi:LINE
1,Lo:LINE
2
TITLE REC mode output.
Lo:TITLE REC ON (Not used)
Edit control
output
for controlling
the recording
VCR on/off.
Drives the grids of the multi function digital display synchronized with
segment
control
signals
at pins 51 through 64.
Drives
the segments
of the multi-function
digital
dynamically
synchronized with grid control signals at pins 42 through 50.
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