NAD 5220 - TMP47 C420 AF Additional Pin Functions; TMP47 C420 AF LCD Control and Key Scan; TMP47 C420 AF Remote and Timer Functions

TMP47C420AF
LCD segment driver output.
Seg.0 6
Seg. 7‘~ 14
Seg. 15 ‘© 20
Seg. 21, 22, 23
LCD common driver output.
a
i
LCD
driver
power
supply
(OV).
De
fw
fe
13
L
Start limit (OV with PU put on inside most).
14
.
Close
limit
(OV
with
tray
closed).
15
Open
limit
(OV
with
tray
opened).
Overcurrent detection (OV with tray loaded).
16 CT
18 RESET Initialize signal input.
19
HOLD
Hold
signal
input
(+5V).
20
REM
Remote
contro!
input/output.
21
TIMER
Timer
play
terminal
26
27
VbD
OPNM
|
26
MUTE
Mute
signal
output.
ze Tray open/close control
9 CLSM ee?
0
1
2
3 BUCK
3
DA/CO
TC9200AF
control.
32
35
BUSOV
3
37
~
40
SENSO
WV
3
Key
scan
pulse
input.
42
~
44
SCANO
\V
2
Key
scan
pulse
output.
13