Samsung SCW230 Block Diagram
■ CD-R/RW Block Diagram
H/P AMP
NJM3414
EFM
DECORDER
L09585
LOADER
CDL3600
SERVO
MICOM
L09700
SERVO
PROCESSOR
0Q8845
SERVO
DRIVER
SZA1010T
EFM
ENCODER
+WOBBLE
PROCESSOR
TDA1371
DAC
NJM1311
DRAM
NN514405
EN/DECODER
OTI957
L/O AMP
NJM3414
LINE OUT
SUBCODE, DATA
SUBCODE, DATA
DATA CONTROL
H/P OUT
HF SIGNAL
MOTOR CONTROL
HALL SIGNAL
ERROR SIGNAL
FO,SL,RA,CONTROL
PP SIGNAL
EFM OUT
AUDIO DATA
CONTROL
CONTROL
CONTROL
MICOM
80C32
PROM
27C020
EEPROM
28C16
SRAM
62256
CONTROL
11 12
1326
l LO9700 SERVO MICOM
- PINNING
807978777675747372717069686766656463626
1
P
3
1
/
T
X
D
P
3
0
/
R
X
D
SINCC
E
T
N
T
D
A
D
E
NCN
I
R
Q
O
T
D
P
W
R
O
F
F
A
V
R
E
F
2
A
V
R
E
F
3
NCNCA
V
S
S
A
V
R
E
F
1
A
V
D
D
H
M
S
W
M
O
T
O
1
R
A
D
I
N
T
2
1
1
60
WOBBLE
FS
CALF
A2
A1
VDD
DAWP
TEST3
TEST2
TEST1
TEST0
PMON
HFD
TTPWM
IC
VSS
ASTB/CLK
LDDS
CDDS
LDDE
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
COMCLK
SO
SYSSYNC
HALLU
HALLV
HALLW
RESET
VDD
X2
X1
VSS
RENSW
UON
VON
WON
N2
RESET
N6
MONON
DACE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2223242526272829303132333435363738394
0
D
A
D
E
D
A
D
S
C
D
E
R
E
S
E
N
E
R
T
R
I
G
D
A
D
I
D
A
C
L
C
O
M
S
Y
N
C
N
C
T
R
S
1
N
C
L
O
S
E
N
O
P
E
N
D
A
D
L
E
E
D
A
E
E
C
L
A
C
K
C
L
W
P
C
L
C
E
L
D
C
E
C
L
D
E
LO9700
■ Main Components Block Diagram & Pin Descriptions
27
- PIN DESCRIPTION
PIN NR TYPE DESCRIPTION
COMCLK 1 input serial communication clock from application
SO 2 output serial communication data to application
SYSSYNC 3 output serial communication data from application
HALLU 4 input signal from hall element U
HALLV 5 input signal from hall element V
HALLW 6 input signal from hall element W
RSTIN 7 input reset input
VDD 8 connect to +5V.
X2 9 From the on board oscillator
X1 10 From the on board oscillator
VSS 11 connect to ground
RENSW 12 output REN filter on/off
UON 13 output coil U on/off
VON 14 output coil V on/off
WON 15 output coil W on/off
N2 16 output CD speed selection
RESET 17 output reset decoder and servo chip
N6 18 output select CD speed N=6
MONON 19 output monitor switch EFM from encoder to decorder
DACE 20 i/o serial interface data EFM encoder
DADE 21,75 i/o serial interface data EFM decoder
DADS 22 i/o serial interface data servo chip
CDE 23 output HF gain switch active if CDE disc is in
RESEN 24 output reset EFM encorder
ERTRIG 25 output measurement signal please do not connect
DADI 26 output serial com. data to DAC/IO exp. on laser-control
DACL 27 output serial com. clock to DAC/IO exp. on laser-control
COMSYNC 28 output communication sync. with application
NC 29 please do not connect
TRS1 30 input tray switch
nOPEN 31 output close tray
nCLOSE 32 output open tray
DALD 33 output load to DAC/IO exp. on laser-control
EEDA 34 i/o IIC data EEPROM on laser-control
EECL 35 output IIC clock EEFROM on laser-control
ACK 36 output serial communication acknowledge application
CLWP 37 output serial interface clock wobble processor
CLCE 38 output serial interface clock EFM encorder
LDCE 39 output serial interface load EFM encorder
CLDE 40 output serial interface clock EFM decorder
28
PIN NR TYPE DESCRIPTION
LDDE 41 output serial interface load EFM decorder
CLDS 42 output serial interface clock servo processor
LDDS 43 output serial interface load servo processor
ASTB/CLK 44 NC please do not connect
VSS 45 power connect to ground
IC 46 input connect to ground
TTRWM 47 output pwm to motor endstage
HFD 48 output measurement signal please do not connect
PMON 49 input max. power monitoring during recording
TEST0 50 input micro controller test mode
TEST1 51 input micro controller test mode
TEST2 52 input micro controller test mode
TEST3 53 input micro controller test mode
DAWP 54 input serial interface data wobble processor
VDD 55 power connect to +5V.
A1 56 input ßeta measurement signal A1
A2 57 input ßeta measurement signal A2
CALF 58 input ßeta measurement signal CALF
FSF 59 input laser power value
WOBBLE 60 input motor error signal from wobble processor
RADINT 61 input measurement signal from servo processor
MOTO1 62 input motor error signal from EFM decorder
HMSW 63 input home switch CD mechanism
AVDD 64 power connect to analog +5V.
AVREF1 65 power connect to Vref*
AVSS 66 power connect to analog ground
NC 67 please do not connect
DCFOC 68 output focus offset correction
AVREF2 69 power connect to Vref*
AVREF3 70 power connect to analog ground
PWROFF 71 input power down detection from application
OTD 72 input off track detection servo processor
NIRQ 73 input wobble processor interrupt
NC 74 please do not connect
CE_INT 76 input EFM encoder interrupt
NC 77 please do not connect
SI 78 input serial interface data with application
NC 79 please do not connect
NC 80 please do not connect
29
l OQ8845
- BLOCK DIAGRAM
- PIN DESCRIPTION
VddA
XTAL
OSCILLATOR
PREPROCESSING
OUTPUT
STAGES
CONTROL
FUNCTION
VddD
CLO
FO
RA
SL
LDON
OTD
CONTROL
PART
Vref
GENERATOR
VssA
(2X)
VssD
(2X)
uPROCESSOR
INTERFACE
DIVIDER
CL
CL
CL
CL
A/D
TS3
TS2
TS1
NRST
SILD
SICL
SIDA
VRH
FEN
REN
VRL
TLN
MIRN
XTLR
XTLI
XTLO
CL
CL
Reset input
Serial interface clock
Serial interface data
Ground digital part
Serial interface load
Sledge output
Focus actuator output
Ground digital part
Radial actuator output
Power supply digital part
Oscillator input
Oscillator output
Clock output
Off track detector
Test input 2
laser drive on
NRST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
VssD
SIDA
SICL
SILD
SL
FO
RA
VssD
VddD
XTLI
XTLO
CLO
OTD
TS2
LDON
VssA
VRH
MIRN
TLN
REN
VRL
FEN
TS3
VssA
VddA
XTLR
TS1
Ground analog part
Reference input for D/A converter
Normalised mirror signal input
Nomalised trackloss signal input
Normallsed focus error slgnal input
Reference input for D/A converter
Normallsed radial error signal input
Test input 3
Ground analog part
Power supply analog part
Oscillator reference
Test input 1
DSICR
30
l SZA1010T
- BLOCK DIAGRAM
- PIN DESCRIPTION
RAC
FOC
SLC
CLI
EN1
EN2
DIGITAL
NOTCH FILTER
DIGITAL
NOTCH FILTER
DIGITAL
NOTCH FILTER
ENDSTAGE
H-BRIDGE
ENDSTAGE
H-BRIDGE
ENDSTAGE
H-BRIDGE
V
SSDV SS(R)
TRISTATE
V
SSD
/ V
SSF
V
DDD
6
4
3
2
7
8
9
13 14
11
RA+
RA
-
FO+
FO
-
SL+
SL
-
12
15
16
19
20
1
5 10 17 18
V
DD(R)V DD(F)V SS(S)
CONTROL
1V
DD(S)
SLC
FOC
RAC
V
SSD
V
DDD
CLI
EN1
EN2
V
SS(R)
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SL-
SL+
V
SSS/VSSF
TRISTATE
FOFO+
V
DD(F)
V
DD(R)
RARA+
SYMBOL
SLC
FOC
RAC
V
SSD
V
DDD
CLI
EN1
EN2
V
SS(R)
RA+
RAV
DD(R)
V
DD(F)
FO+
FOTRISTATE
V
SSS /VSSF
SL+
SL-
V
DD(S)
PIN
1
supply voltage for sledge motor
driver
PDM input for sledge driver
PDM input for focus driver
PDM input for radial driver
digital ground
digital supply voltage
clock input
enable input 1
enable input 2
radial driver ground
radial driver (positive output)
radial driver (negative output)
radial supply voltage
focus supply voltage
focus driver (positive output)
focus driver (negative output)
radial rtistate input
sledge driver ground
sledge driver (positive output)
sledge driver (negative output)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DESCRIPTION
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