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10
11
12
BJoisc 1LLuMINaToR ciRCUIT
0619
D618
D6IT
O6I7~619
SVDSLR-S4MW:
DISC LAMP
<i aav
3°
ai
Q604
«
(f~
2SC331IQRSTA
FL DRIVE
Q603
OTCI24EST
FL
DRIVE
Ims.1OV/DIV.
1c602
ey
1c602
HC-MDIOE
(2)
REMOTE
"7
CONTROL.
G)
(1)
(2)
RECEIVER
4.9v
[49vV
a] aov
—~<352
<6) 4.9v
28s
BRS
~
|.
-~
|8
alee
12
= SVA\ [ener
si@e
220%
ayrs
ayrs
~~ O.1ms. 2V/D1V.
=H
a
a
ee
gy
(aay MT
fom
|
j
eh) Q601
ams. aviv. Oey
Key son
Zope
3.4V
é
Ov
MM...
Loe t aeon
2ms.2V/DlV.
5)
Play
S
ne By
S
NTs
|
1Oms.2V/D
IV.
AT CiDaEST
}—_t
LED
ORIVE
eee
a----
ov
V/DIV.
aeeemnsedis
|
b
a
j
FC6O!
a}
Vex
c
¢
2
f
(3)
PX
7
(6)
h
ot
k
iS
:
end
;
(2)
1
=
FC602
R608
I
zANDOML
_4:7K
:
wl
foe
c
3)
d
pee
Se
oa
2 ee
reer
AA
|
(NST)
finesse
|
a
(7)
b
h
fe
R606
<|
4.7K
i
tJ
1)
j
(er
i
I
R6OS
aie
DEII~
614
MAI65TA
a
R604
em)
4.7K
R603
)
4.7K
~
R602
7
4.7K
R60!
S
|
3
oO
VR6OI
(SEARCH
DIAL)
[e]searcy circuit
SL-P999
SL-P999
13
16
OPTICAL
PICKUP
(FOCUS)
(TRACKING)
SPEED
RA| POSITION
SENSOR
K
o>
Ome
5
rt cuiol yy
pe
ee wee
OOOO
©
©
© © ©
© ®O ® G
[eB] servo circuit
ngs
nae cr ee
seer
ca
Sia ae"
i
aie
changes}
4
b
1C103
AN8377
FOCUS/TRACKING
/ TRAVERSE COIL ORIVE
(BTL DRIVE)
per cos AN8377
AN8377N
1C104 | LM2840TSM|
Removed
Q102
2SB1240QH
Removed
Added
Removed
O.0IuF
'ES,
EES
RE GTS
SESS
Oo
£OQ©O
®
©
©
©
©
|
OPTICAL PICKUP
17
Qi0t
2SA1547
AUTO POWER
CONTROL
C145, | 6V 100yF
Removed
Jumper
Slot
Removed
Shorted
1C104
LM2940TSM
REGULATOR
2SB1240
SWITCHING
cl45
6VIOO
C133 33P
AN8374S
SERVO PROCESSOR
AN8373S
SERVO AMP
10K
RI28 C147
|, 0.0047
AS
Play
2ms.0.5V/DIV.
(3) 2.0V
ne Tracking offset adj.
See
Gen
RIO
C120
Shey
Base
22K
16y47
ats
ss eae a OL
Ces
ALY,
Fy
6 g
om!
iSaeN
a
2V
k
(Iv)
b
2.9V
Vv)
CHO 680P{ov)
c
d
e
f
9
Play
2ms.0.1W/DIV.
h
o2v
p-p
Play
2ms.0.2V/D1V.
7
Play
\
O.5ps.0.2V/DIV.
O.5ps. O.1V/DIV.
Sys.2V/01V.
O.lps IV/DIV.
r
e
C14,
(0.033,
C15 -50V1
_- balance
adj
ronrmoandca
Tracking
Play
0.5ps.0.5V/D1V
ARSE >
Focus
"offset
adj.
Ploy
2ms.0.1V/DIV
_ aan loaves
Play
2ms.0.1V/D1V.
Focus
_
gain adj.
yr
30V p-p
48v
TAC oe BK es TL
PP
PP
ov
Tracking
gain adj.
18
OC SPINDLE
MOTOR
To Servo
Adjustor
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