Technics SL-P999 - Page 19

SL-P999 SL-P999
4 5
7
10 11
13
+
3v
BATTERY
+l!
Chattering
simultaneous
push inhibit
11-bit latch
shift resistor
Key input control circuit
Qi
UN7231
LED DRIVE
Timing generation circuit
data code (6 bit)
Se
it
90T
7
display ON/OFF
ogra
random
auto cue
time mode
display mode
110100
110111
111000
111010
-B) peak search
Custom code: 01100
lata code
27
7
eee
| 28
| 26
| 27
| 28
| at
p22
ie
iz
| 40
| 50
| st
| 82
aoe
eee
a
ie
010101 | 58
o10110 «| )=— 60
eae
010111
10
13
14
15
17
(A
EY oreration CIRCUIT
FL6O1 (SADI4MTOBGK)
s. 1OV/DIV.
'Oms. aes
te
~-5y
Sms.2v/Dlv.
060
FL DISPLAY
~~ = -32V
--- 5y
wee MB88724 BPEVI
--- ov -- ov
SYSTEM CONTROL
2ms,
2V/DIV.
@
FL
ORIVE
aren
EP gees
--0V
< =
iD %
No mo
z Bah Sa
= Os OS
$601
(EDIT TAPE $602
LENGTH) |( RANDOM)
0604
MAI65TA
0605
MAI65TA
0606
MAIG5TA
>
0607
MAIG5TA
D609
MAIG5TA
$609 S610
(WINDOW) (DIS€ LINK)
S617
SIDE A/B)
re |
$625 $626
[EJ oisc ILLUMINATOR CIRCUIT
0619 D618 0617
<i] 49V
Q604
2SC33I1ORSTA OSUR SAM
FL DRIVE DISC LAMP
Q603
OTCI24EST
FL DRIVE
1c602
O.lms. 2V/D1V.
on
Iv
Oms.2V/DIV.
pod eee ee LED DRIVE
weyraweoanano---ogc-
HC-MDIOE
REMOTE
CONTROL
RECEIVER
<6 4.9V
~~ 4.8V
--- O.8BV
--- 0.8V
G2) --- 5v
ne
$632
OPEN/CLOSE & }
$633 S634
(2) (6)
S641 $642
(3) (7)
=
$640 BBO
(STOP m) ak
a
eo O
$648 R602
(PAUSE &t) 47k
1
O ji eo. OO
$656 R6O|
Deas
(PLAY aK
area
R610
120
0616
{PAUSE}
Q601,602
OTCI24EST
ar ree
0.01
602
50V10
A
6
HH
nan al
(@}
pear C9 AN8377 AN8377N
1C104
Q102 Removed | 258!2400H
[ee | ore | ae
eta aeons [si
RI28 10K
C147
—-x*ee- TanOQo0dga
~z
DEII~ 614
MAI65TA
oé6ll
6
>
VR6OI
(SEARCH
DIAL)
[elsearcn circuit
By servo circuit
Note: Original circuit uses AN8377 for
1C103 While the new circuit uses
AN8377N for ICIO3. (Refer to
the table below for other
changes )
LM2840T5M | Removed
ded > a
0.0047
SERVO PROCESSOR
Ril4 68K il
(TRAVERSE
SPEED
POSITION
SENSOR
5K +)
ET enor
cNioly
IClO3
OO =O _&
AN8377
FOCUS/TRACKI
7 TRAVERSE CO
(BTL DRIVE)
ci28
16V100
f
1Clo4
LM2940
REGULATO
49v.
G)
8 ®
aa
5
=z
oO
SJ Ko
<
ic
Cl2
cl2
C13