Technics SL-P999 Service Manual page 19

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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 16V10
f
1Clo4
LM2940
REGULATO
49v.
G)
8
®
aa
5
=z
oO
SJ Ko <
ic
Cl2
cl2
C13

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