Technics SL-P250 - Page 12

ss) 24010) SL-P250
@ MN1554PEP (System Control)
=[
Division
a
so
Sub-code block (Q data) clock input
Fn
Ea
eet
a
1
[see aanain
Prescott
Not used (connected to +5V)
=[
Division
LOSE
die
Disc
holder
“Open”
detection
Pathe
i
Disc
holder
“Close”
detection
Tere
cnt)
Processing status input from signal
processing LSI
fe
ie]
(?) r x
wn 2 o z ra)
TOC reading control (ON at “L”)
(connected to GND)
FLOCK
Lie
Optical
servo
condition
(focus)
input
Optical
servo
condition
{track
cross)
input
37
RECV
fice
Data
receipt
command
signal
fsern
|
|
Data
transmission
command
a Data discrimination signal
ea Data Jock signal
ae
45
s
NC
Not
connected
52
Ce
Ne
Tete
Te
[nceeonn
fono
|
[enotemint
f=
Towne
[2
[winasen
fe
[worn
|e
|
conmnaaoma
fo
[mix
[|
ane
sok
ut
coma
on
CAC
ee
(Not used, open)
eerste
p—[retccnses
g | 4
=| 3
uv
bl
n
4
a —
oo
P20
P23
[4
[etose
"0
[esto
tor"
commana
|
15
[oven
|
0
|
Loading
motor
“Open”
command
Po [sing net
pe are
(Not used, open)
= [retcernestg
CIC
SD
acta
Traverse “Forward” command
signal
Optical servo IC controi signal
(KICKR: Kick direction [reverse]
command)
a K xz
>
Q xz
R-2
$8
ae > >
o oOo
Key scan signal
a me m 14 x m
4 D
< mn
x o
i
a
Optical servo IC control signal
(KICKF: Kick direction [forward]
command)
ja
fowe
[9
[emetsadeny
Prove sy comes oF
f=
[oom
|e
[mcruscny
|
[2 [ctv enay —Y
Optical servo IC control signal
(FOON: Focus servo)
c;oir< uv o
i=)
¥
Z
=
i=) fe) Cc 4
fo) z
z
il
@ MN152611 (FL Drive and Timing Signal Generator)
Tie)
Division
(Not used, open)
Optical servo condition input
(Not used, open)
Sf
Division
[1 [reentrant
eC
ec
[2 [mettre
po [netsaeene
To fctonc ones |
=f
ae FL grid signal
(Not used, open)
FL grid signal
(Not used, open)
43 D4
§ § FL grid signal
46 | D7
aC yee FL grid signal
49 DA (Not used, open)
50 | DB
. * FL grid signal
51 DC
FL grid signal
(Not used, open)
53 | S8
§ 5
61 So
| ez fvoo | |__| Power supply (connectai to +5¥) | supply (connected to +5V)
} 63 | Osc2 iz Clock terminal
VSS
o
‘
oO
Key scan signal
[0 [ests vromsin cna ia
Reset signal! input (reset at “L”)
a3
37
i=) >
i
P10(CLK)
FL
drive
power
supply
(connected to —33V)
Vv = —
>
QO
Ss
n < z
oO
FL grid signal
(Not used, open)
13(RECV)
uv
—
a
uu Uv
mel
Pe | a |
ae
wo +
D
G
Sub-code block (Q data) clock
(75Hz) input
(Not used, open)
IRQ/TC1
Key return signal
18
n
Sub-code frame clock (7.35kHz)
uy (Not used, open)
Sub-code Q data input
(Not used, open)
nD =
Uv
=n
So
Key scan signal
(Not used, connected to +5V)
np Bm U
23
8
Ea
bid
Oo
FL anode signal
31 42