SAMSUNG MMN2
Instrukcja Serwisowa

DISC

SPINDLE TRACKING 8 SLED FOCUSING MOTOR ACTUATOR 66.69 LD.PD MOTOR EFM.TRCNT

A.B.C.D.E.F PICK UP

16.9344MHz

9

11 12 26 27 1 2 17 DIGITAL SIGNAL PROCESSOR SLSL+ NIC 9258 KS9286 19 10 25 3 10.70.72 LOCK.SMEF.WDCH.SMON.SMSD 73.75.76 +5V NIC9286 MOTOR/ACTUATOR DRIVER SP+ SPTRK+ TRKFCS-

6 18 KA9258

VREF

19 10

R

IN

IN

IN

IN

SL

SP

TE

EF

G NIC9223

1 21

KB9223

P/U IN 43 46 50 48 71 65.66. 68 29

69.70 20 11 27 L 67.68 2 19 LIMIT S/W 36.37.38 25.26.30 33.30 29.25 22.24.23

41

ASSP NIC 9223 KB9223 35.36.37
OPEN/CLOSE MOTOR 40 ROULETTE MOTOR RESET UP/DOWN MOTOR 31

38

MCK. MDATA. MLT

A. GND

2 10 DMDM+

SQDT. LKFS. SOS1

R-CH

L-CH

GND

SIC1,SIC2,SIC3 SIC1,2,3 LB1641/BA6209
FOK MOTOR CONTROL SCW1 SCW4

Block Diagrams

UP/DOWM S/W MICOM CTRL POWER / AUDIO LINE ROULETTE SENSOR

OPEN/CLOSE S/W S/W SENSOR

4-2 CD

SUB PCB
MAIN PCB MAIN PCB

ISTAT

SQCK

MOTOR DRIVER

B+

4-2

Samsung Electronics