Technics SL-PD647

L-PD647
e 1C401 (UPD78043B014): System control & FL drive
WoO
0
Division
Division
G7 41 TRUN
5 FL grid signal
Gi Motor control signal
VDD Power supply terminal | PWM
MCLK
DAT,
Rotary tray position det.
terminal
Command clock signal
LS)
PWM
POSITION
= >
43
44
Command data signal
4
Command load signal :
MLD (“L: LOAD)
& o
= = = = =— = = a ~s —
re |
el
is)
|
21 KEY IN8 ;
KEY OUT 1
Key return signal
25 KEY IN 4
28 KEY IN 1
AVDD
AVREF
Power supply terminal
Power supply terminal
XT1 Not used, connected to GND
2 XT2 Not used, open
3 vss GND terminal
=—
Crystal OSC terminal
(f =4.2336 MHz)
=
[ev] a
fe
ie)
36 DISC
DOWN
DRAW
Disc det. terminal
Open detect terminal
Traverse deck down det.
terminal
Traverse deck up det.
37
38
: terminal
3
Motor control signal
ee
“ae