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9. Block Diagrams
9-1 Main




Samsung Electronics 9-1
Samsung Electronics
DISC
16.9344MHz
PICK - UP A.B.C.D.E.F
SLED SPINDLE TRACKING FOCUSING EFM.TRCNT 8
MOTOR MOTOR ACTUATOR ACTUATOR 66.69
9
LD.PD
11 12 26 27 1 2
SP+ SP- TRK+ TRK- FCS-
17 DIGITAL SIGNAL PROCESSOR
SL-
MOTOR/ACTUATOR DRIVER +5V NIC9286
18 NIC 9258 6 KS9286
SL+
KA9258
19 10 25 3 10.70.72




LOCK.SMEF.WDCH.SMON.SMSD
73.75.76
R
19 10
VREF
IN
IN
IN
IN




NIC9223
EF
TE




G
SP
SL




21 1
KB9223
27 L 11
P/U IN 43 46 50 48 71 69.70 65.66. 20
41 36.37.38 68 25.26.30 29
LIMIT S/W 67.68 2 19
33.30
29.25
22.24.23
ASSP
31
NIC 9223
KB9223 35.36.37
38




L-CH
OPEN/CLOSE MOTOR




R-CH
UP/DOWN MOTOR




RESET
ROULETTE MOTOR 40




MCK. MDATA. MLT




SQDT. LKFS. SOS1
2 10




A. GND




GND
DM- DM+




B+
MOTOR DRIVER




SQCK
ISTAT
SIC1,2,3
SIC1,SIC2,SIC3
LB1641/BA6209
FOK
MOTOR CONTROL SCW1 SCW4
OPEN/CLOSE S/W S/W SENSOR
UP/DOWM S/W MICOM CTRL LINE POWER / AUDIO LINE
ROULETTE SENSOR
Block Diagrams

9-2 CD
SUB PCB
MAIN PCB MAIN PCB




9-2
Block Diagrams

9-3 IC & TR Internal Diagrams

9-3-1 Main

BA4560 : DIC4




NJU3716M : JIC5




DATA P1
P2
CLK P3
P4
Latch Circuit




P5
Shift Register




P15
P16


SO

STB
CLK Controller Circuit




Samsung Electronics 9-3
Block Diagrams




LC72131 : TIC2



XIN 1 REFERENCE PHASE DETECTOR 18 PD
DIVIDER CHARGE PUMP
XOUT 22


1/2
19 AIN
FMIN 16 SWALLOW COUNTER
1/16, 1/17 4D1ts UNLOCK
DETECTOR 20 ADUT




AMIN 15 12bita PROGRAMMABLE
DIVIDER


CE 3


DI 4 2
C B
DATA SHIFT REGISTER UNIVERSAL
1/F 12 IFIN
LATCH COUNTER
CL 5


DO 6

P0WER
VDD 17 ON
RESET

Vss 21


7 8 9 10 11 13
BO1 BO2 BO3 BO4 IO1 IO2




TDA7439: FIC2
TREBLE(L)
MUXOUTL




MOUT(L)




BOUT(L)
BN(L)
UN(L)




11 15 16 27 26 25 23 24
L-N1
100K R R

12
L-N2
100K
SPKR ATT
13 G VOLUME TREBLE MIDDLE BASS L OUT
L-N3 LEFT 6
100K

14
L-N4
100K
30
SCL
0/30dB I2 CBUS DECDER + LATCHES 1
10 2dB STEP SDA
R-N1 29
DIGGND
100K

9
R-N2
100K SPKR ATT 5
G VOLUME TREBLE MIDDLE BASS R OUT
RIGHT
8
R-N3
100K Verf

7 3
R-N4 V3
INPUT MULTIPLEXER 4
100K GAIN R R AGND

17 18 20 19 20 21 22 2
MOUT(R)




BOUT(R)
TREBLE(R)
MUXOUTR




CREF
UN(R)




BN(R)




9-4 Samsung Electronics
BA3834S : UIC3
NJU3718 : UIC2




Samsung Electronics
BIASC 1 BIAS 18 GND




VREFC 2 VREF 17 AOUT




CLK
STB
CLK
DATA




RREF 3 REFFERENCE CURRENT 16 TEST

G4Hz PEAK Shift Register
BPF HOLD

N.C. 4 RES 1 5 N.C.
160Hz PEAK
BPF HOLD

RES
N.C. 5 400Hz PEAK 14 N.C.
BPF HOLD Latch Circuit



Controller Circuit
RES
A-C
1KHz PEAK
DIFOUT 6 BPF HOLD MPX 1 3 SEL

RES

2.5KHz PEAK
BPF HOLD
C
CIN 7 DIF 12 C
RES

6.3KHz PEAK
BPF HOLD
P5
P4
P3
P2
P1




SO
P20
P19




A RES
AIN 8 11 B
15.6KHz PEAK
BPF HOLD

RES
VCC 9 DES 10 A
Block Diagrams




9-5
Block Diagrams




LA1836: TIC1


29 29 28 27 26 25 24 23 22 21 20 19 18 17 16


DECODER
ALC AM AM
AM MIX RF AMF STERO
OSC AGC SW
DUFF
STEREO
AM AM DRIVE TRIG MUTE
SMFT IF DET

FF FF FF


AM/FM COMP VCC
IF
LEVEL AM/FM PILOT
S-CURVE BUFF
DET DET
TUNING SW PHASE DET
DRIVE
AM
FM FM
IF DET PM


REG GND VCC


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15




LC4966: DIC2




14 13 12 11 10 9 8




SW A SW B SW C SW D




1 2 3 4 5 6 7




9-6 Samsung Electronics
Block Diagrams




NJM074 : DIC3




V+




-INPUT OUTPUT
+INPUT




V-




M65846FP : DIC1


32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
SFB SW
DMIX SW
1/2Vcc
ON OFF
MODE SEL
VOL SEL

SU EC
MICMIX SW 1 2 L P F D / A


PHASE SEL V O L 16kSRAM
PHASE
SEL
SU EC

MODE SEL
LOGIC
CLK
6

L P F A / D



Vcc
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16




Samsung Electronics 9-7
Block Diagrams




HA12203/HA12204 : JIC3




BIAS(N)
BIAS




EQIN(L)
PBOUT(L)




MSDET
VCC
1000 p VEE




RECOUT(L)
RIN(L)
0.0047