Technics SL-P999

lM BLOCK DIAGRAM
SERVO AMP
SERVO PROCESSER
|
OPTICAL PICKUP
Sees Caner |
Speed
position
sensor
eoccccooe
VREF
Tracking
AN8373S balance adj.
(VRIO6)
Best eye adj.
+B
(VRIO5)
Focus offset adj.
eile
T gaind2s
up
F.T.gain. 26
down
F gaind24
DIGITAL SIGNAL PROCESSING
4 CLK/LDG}
— TRON }
Tracking
offset adj.
Distin
directi
gain adj.
ictlon of
ion
{ STAT }
DMUTE}
MDATA
4 MCLK }
4 MLD }
{ SUBOQ }
{ CLDCK }—
BLKCK
22 gee 27
r-c é
28 129 130 132)3
4 FPC} eel
4SD0/D0} 34
| U
(ni02) + TRVR }
Control 33 TRVFF
{CNT4
38 {CNT3 }
ell {CNT2 }-—-#
0 CNT!
~{28 ——— SENSE
I
Phase
26
—{
FLOCK
difference
limiter
| hy» VREF
Focus gain adj. (VR104)
EFM
PCK}
—FPC}
{CLK}
—H SRF}
———{Sp0
Tracking Tracking
coil coil drive
Focus
coil
LS ooo \
TRAVERSE UNIT !
——-— 1
i: TvD — 13
! Traverse vo
i} coil
bees Dee Seg
VREF
+B
TI
AC IN
DII~w 14
Power
transformer
sl
| AN8377
=oa
Qsi
Regulator
SVIM5218FP
Regulator
+B
Audio circuit
= 6
+B
+B
Digital circuit
Regulator
VF
or To
= fFL display
RESET SIGNAL GENERATOR
fe
| ——
cal
voltage
---
SVIM51953BL
PCK} 1
ALU 4 { MEMP } foes
{
'
ccu Address 72 96}
generator L | Bowe
Spindle
alee 46 i xck
SVIBA4558FTI
1C403 (1/2)
Motor
control
Q404
Q451, 452
Motor drive
BML15T rc Q oo a = N
16K RAMI
ee |
SPINDLE
MOTOR
ale —
4 |
| a |
Oy i erie -— a toy rT woop
+ Mm wy ~ ¥ WwW a re pa ENS “ag! Post Ao 5 5 a & |g
Evie 6s OB. ee 72 So ae a se Oe a 8 8 = a = 2 |e
2 2 |é z = a Oo 0 ir =
S68 e oe ah = & = g 7
deo dos Toe feo Iss Is 355 Teo Je ita le Les la fe faa LJ
c x!
MN1554PEZ-1
| SYSTEM CONTROL
'
| DATA
|
! DATA:
!
Mo a re a Se eee ee a ee _ ---- ee ee
P5029 fis 15
3S ow wo
Ff eB Oo ful
a 9 Oe sae
°o 6 oC
SVIBA4558FTI
1403 (2 0453 454
s$i02 Slo)
° fo) Motor
control