Technics SL-PJ33 - Page 34

SL-PJ33
@ SCHEMATIC DIAGRAM (Remote Control Unit)
1 2 3
Chattering
simuldepression
inhibit
11 Bit latch
Pulse generator
(NS
EF
i
ies]
6-—G-0)-0)-@-@
TET s
Key input control circuit
Mo
d
Pe
(4) (5)
XI 2
0
QO
g Ts 793
wa aa Nn
Timing generation circuit
MAIS4WK
06,7
MAIS4WA
* Caution !
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
* Cover the parts boxes made of plastics with aluminum foil.
* Ground the soldering iron.
* Put a conductive mat on the work table.
*Do not touch the legs of IC or LSI with the fingers directly.
3V
BATTERY
Alt
C3
6.3V100
o N w wu
Pa a Se \
' C1: 100P (U.S.A. and Canada) |
| C1: 470P (Other Areas)
' C2: 100P (U.S.A. and Canada) |
2 : 120P (Other Areas) !
@ BLOCK DIAGRAM
SL-PJ33 SL-PJ33
DATA SLICE and PLL
SRF +
[eo ee ee eet San |
| Data slice I
| I
! oe
| |
t—-———— 19) Yi ee 4
FPC -}——
Do
TRON
OPTICAL SERVO (FOCUS, TRACKING and LASER POWER CONTROL)
BDO
FLOCK
OPTICAL
PICKUP
cE
[Br Piet SRS pit oe ey 1 i eaten
=
?
detector
1C104
16104,
102,0103
LsB
Qid1
Auto power[ 5
control —“[ arc
RF
detecto:
! el
Focus coil
drive
(C102,
ret faa
Phase
evel
shifter 73
ame cons. |
Level False detector
shifter
SENSE
cNTI
§ ae
ea |_|
©
CNT3
I
Brake
logic
Les
CNTs
—7
! TE — | Y ae
1 switch b20
|
r=
ee
ee
ee
racking
10 J 1
fd
80 Oo
1
2 Vee i
H HSOl
Pulse generation ou iti
oie) eal
re. Jus] det.
Signal
i] processing 4
ean
* & det.
oO
H502
cs z Drive
oO
Dam circuit
+B
Spindle
motor coil
Q70!