3 GENERAL FEATURE SPECIFICATIONS 1. SUPPORTED SYSTEM • IBM Compatible 486SX or Above 2. SUPPORTED OS 3. GENERAL PERFORMANCE • Data Transfer Rate ..........................................................................................Sustained Data Transfer Rate .............................................................................................10 Times Speed (Inner side) : 1,500 kbytes/sec .............................................................................................24 Times Speed (Outer side): 3,600 kbytes/sec • Data Buffer Capacity..........................................................................................1 Mbit DRAM (Internal DSP) • Access Time ............................................................................................Random Access : Average 110 ms 4. POWER REQUIREMENTS • Voltage ........................................................................................................................................+5V DC + 5% • Ripple....................................................................................................................................+5V : 100mVp-p • Current .........................................................................................Peak in executing access : 1,000mA MAX ................................................................................................................................Random access : 800mA ..............................................................................................................................Normal operation : 700mA ..............................................................................................................................................Standby : 30mA ..................................................................................................................................................Sleep : 30mA 5. AUDIO PERFORMANCE • Frequency Response......................................................................................................20Hz~20KHz( dB) • S/N Ratio (IHF-A)..................................................................................................70 dB (Typical, 1KHz 0dB) • Distortion (20K-LPF) ............................................................................................0.05% (Typical, 1KHz 0dB) • Channel Separation ................................................................................................................65 dB (Typical) • Dynamic Range (IHF-A)..........................................................................................................70 dB (Typical) • Output Level (47kΩ Load) .................................................................................................0.75Vrms (Typical) • Enhanced IDE interface • Ultra Slim type CD-ROM drive (Height: 12.7mm) • Fast 110ms Average Access Time • MAX 3,600KB/sec (24X) Sustained Transfer rate • Photo-CD Multisession Disc Spec compliant • MPC level 3 Spec compliant • Drawer Type Manual load/Electrical Release • 3-Way eject support (Software, Open button, Emergency eject) • Built-in ATAPI Interface Controller • Closed enclosure • Software Volume Control • 8 Times Digital Filter for CD Audio • Built-in MODE-1 ECC/EDC • MTBF 60,000h POH (at 10% Utilization) • PIO Mode 4 & Multi-word DMA Mode 2 support & Ultra DMA Mode2 support • Digital audio through ATAPI Interface • Spin-down Mode for energy saving • Support Standby & Sleep mode • MS-DOS Version 3.1 or Windows 3.1 • OS/2 Warp (Ver 3.0 & 4.0) or higher • Windows '95 or ‘98 higher • Windows 2000 • Windows NT (Version 3.51 or 4.0) or higher +1 -3
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3
GENERAL FEATURE
SPECIFICATIONS
1. SUPPORTED SYSTEM • IBM Compatible 486SX or Above
2. SUPPORTED OS
3. GENERAL PERFORMANCE• Data Transfer Rate ..........................................................................................Sustained Data Transfer Rate
.............................................................................................10 Times Speed (Inner side) : 1,500 kbytes/sec
.............................................................................................24 Times Speed (Outer side): 3,600 kbytes/sec• Data Buffer Capacity..........................................................................................1 Mbit DRAM (Internal DSP)• Access Time ............................................................................................Random Access : Average 110 ms
4. POWER REQUIREMENTS• Voltage ........................................................................................................................................+5V DC+5%• Ripple....................................................................................................................................+5V : 100mVp-p• Current .........................................................................................Peak in executing access : 1,000mA MAX
• Closed enclosure• Software Volume Control• 8 Times Digital Filter for CD Audio• Built-in MODE-1 ECC/EDC• MTBF 60,000h POH (at 10% Utilization)• PIO Mode 4 & Multi-word DMA Mode 2
support & Ultra DMA Mode2 support• Digital audio through ATAPI Interface• Spin-down Mode for energy saving• Support Standby & Sleep mode
• MS-DOS Version 3.1 or Windows 3.1• OS/2 Warp (Ver 3.0 & 4.0) or higher• Windows '95 or ‘98 higher
• Windows 2000 • Windows NT (Version 3.51 or 4.0) or higher
+1-3
4
1. CABINETA. Release 3 screws (A).B. Lift up the Cabinet in the direction of arrow (1).
(See Fig. 1)
2. MAIN CIRCUIT BOARDA. Insert and press a rod in the Emergency Eject
Hole and then the CD Tray will open in thedirection of arrow (2).
B. Release 2 screws (B).C. Remove the Main Circuit Board.
3. FRONT PANELA. Release 5 screws (C) and remove the Cover
Bottom.B. Remove the Front Panel.C. At this time, be careful not to damage the 5 hooks
(a) of the it.
4. BASE PICK-UPA. Remove the Base Pick-Up.
(1)
(A)
(A)(A)
(C)
(C)
Fig. 3
Fig. 1
Fig. 4
(B)(B)
(2)
Fig. 2
DISASSEMBLY
CABINET
HOOKS
MAIN CIRCUIT BOARD
FRONT PANEL ASSY
HOOK (a)
COVERBOTTOM
BASE PICK-UP
EMERGENCYEJECT HOLE
10
REF
REF
REF
REF
REF
REFREF
REF
REF
REF
REFREF
REF
REF
REFVCC VCC
VCC
AP
C
PH
PHEQ-CONTROL
BH
BH
PH-CONTROL
7_MODE 5V
39K
33K
525V
+
7_MODE
36PH
100K
1
2
3
4
5
6
7
BHC
PHC
RFAO
GND1
RFA-
RFIN
FIN1
35BH
34VCC1
33RFSM
32RHLD
31GND2
30REFL
29FE-
28FE
27TE-
26TE
25TSS
24TS
23VCC2
22TSH
21FBAL
20TBAL
19SGC
100K8
FIN2
56K9
E
F
VC
C
56K10
11
12
REFI
VREF
13LDD
14LDS
15LDON
16GHS
17BHH
18EQS
IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION
IC101 (LA9239) : RF Amplifier ICI-V converts and amplifies the signal received from the pick-up and then applies to DSP part of one-chip IC (IC501).
Block Diagram
Pin No. Pin Name Descriptions1 BHC Bottom hold external condensor pin for checking RFAGC.
2 PHC Peak hold external condensor pin for checking RFAGC.
3 RFAO RF Pre AMP output
4 GND RF GND
5 RFA- RF Pre AMP (-) input
6 RFIN RF Sum input
7 FIN1 Pickup output (B+D),
8 Fin2 Pickup output (A+C),
9 E Pickup output (E)
10 F Pickup output (F)
11 REFI Eeternal Condensor Pin of Reference Voltage.
12 VREF Reference output
13 LDD APC circuit output
14 LDS APC circuit input
15 LDON Laser on/off.
16 GHS RF signal gain control.
17 BHH BH response control.
18 EQS RF equalizer. PH detection control
19 SGC Servo gain control
20 TBAL TE balance adjust
21 FBAL FE balance adjust
22 TSH TS wide band control
23 VCC2 Servo VCC
24 TS TS output
25 TSS TS wide band control
26 TE TE signal output (To DSP)
27 TE- TE gain control
28 FE FE signal output (To DSP)
29 FE- FE gain control
30 REFL Reflection output (To DSP)
31 GND2 Servo GND
32 RHLD RF hold control
33 RFSM EFM signal output (To DSP)
34 VCC1 RF VCC
35 BH RF bottom hold output (To DSP)
36 PH RF peak hold output (To DSP)
Pin Description
11
12
H1H
VDD
15kΩ
IN1
FB1
IN2
FB2
IN3
FB3
CT
VREF
STBY
0.012µF
1kΩ
1.1k
Ω
H1L
16
44
25
14
H2H
H2L
13
12
H3H
H3L
VH
FGFG Signal Output
Spindle SpeedControl Input
SFG
SBR
EC
ECR
VP
VCL
SRESET SSET
VT
VN VO
GND
CS
RCS6
RCS5
RCS4
RCS3
RCS2
RCS1
A3
A22
A21
A1
VMSP2
VMSP1
BC2
BC1
11
10
9
7
6
50
18
17
19 20 21
40
51
3
4
53
54
55
1
52
8
49
37
38
VPUMP39
PGSL27
RO326
FO328
VMSL22
PGAC31
RO229
FO230
RO1
FO1
VMAC
32
35
36
15kΩ
20kΩ
20kΩ
20kΩ
0.012µF
0.012µF
100pF
1.65V22µF
5V47µF
100Ω
Rcs=0.33Ω
5V100µF
5V 47µF
0.1µF
0.1µF
100Ω
1kΩ
15kΩ
FF
DivideCircuit
HallCompMatrix
5
56
2
H:activeL:standby
H:3FGL:1FG
H:S-BRKL:R-BRK
45
34
24
41
43
47
46
23
Absolutevalue
S-BRK Conversion
FGGenerator
HallBias
+
X5
UpperDrive
LowDrive
DMOS3-PhaseBridge
OSC
ChargePump
DMOSH/B
DMOSH/B
DMOSH/B
DriveLogic
ABS
ABS
ABS
FB
FB
FB
Logic
Logic
Delta waveOscillator
VREF Reset
Stand-by
VDD Reset
HeatProtection
Drive
DriveM
IC201 (AN8498SH) : Servo Actuator Drive ICGenerates the signal to drive Focus Actuator Coil, Tracking Actuator Coil, Sled Motor, and SteppingMotor by Control Signal input from DSP and u-COM.
Block Diagram
13
Pin No Symbol Description1 A22 SP Drive Output 22 RCS6 SP Power Source 63 RCS5 SP Power Source 54 RCS4 SP Power Source 45 A3 SP Drive output 36 SFG SP FG mode conversion7 FG SP FG signal output8 VMSP2 SP Motor power supply 29 VH SP Hall Bias10 H3L SP Hall (-) input 311 H3H SP Hall (+) input 312 H2L SP Hall (-) input 213 H2H SP Hall (+) input 214 H1L SP Hall (-) input 115 N.C. N.C.16 H1H SP Hall + input 117 ECR SP Torque Reference input18 EC SP Torque input19 VP Op amp Non-inverted input20 VN Op amp inverted input21 VO Op amp output22 VMSL Ch3 power supply23 IN3 Ch3 input24 FB3 Ch3 feedback output25 STBY Stand-by26 RO3 Ch3 inverted output27 PGSL Ch3 Power GND28 FO3 Ch3 Non-inverted output
Pin Description
Pin No Symbol Description29 RO2 CH2 inverted Output30 FO2 CH2 Non-inverted Output31 PGAC CH1, 2 Power GND32 RO1 CH1 Inverted Output33 N.C. N.C. 34 CT 3 Delta-wave Output35 FO1 Ch1 Non-inverted Output36 VMAC Ch1, 2 Power Supply37 BC2 Charge Pump Volume Connector238 BC1 Charge Pump Volume Connector139 VPUMP Charge Pump Boost the Voltage of Output40 GND GND41 IN1 CH1 Input42 N.C. N.C.43 FBI CH1 Feedback Output44 VDD Control Circuit Power Supply45 VREF Reference Voltage Input46 FB2 CH2 Feedback Output47 IN2 CH2 Input48 N.C. N.C.49 VMSP1 SP Motor Power Supply50 SBR SP Break mode conversion51 CS SP Voltage Defected Output52 A1 SP Drive Output153 RCS3 SP Power Source 354 RCS2 SP Power Source 255 RCS1 SP Power Source 156 A21 SP Drive Output 2
130 PCKISTF I Frequency comparater charge pump control port
131 PCKISTP I Phase comparater charge pump control port
132 PLL2VDD P VCEC PLL VDD 3.3V
133 PLL2Vss P VCEC PLL GND
134 PDO O Charge Pump Filter
135 PDS1 O Charge Pump select port
136 PDS2 O
137 PDS3 O
138 RPO O P/N Balance Adjust port
139 SVss P Servo GND
140 AD1 I AD input1
141 PH I Peak HOLD
142 BH I Bottom HOLD
143 RREC I Optical judge input port
144 FE I FE input port
145 TE I TE input port
146 TES I TES compartor input
147 VREF I VREF input port
148 PHC O PH Slice condensor input port
149 BHC O BH Slice condensor input port
150 FBAL O Focus Balance port
151 TBAL O Tracking Balance Port
152 SGC O Servo gain control port
153 TOFST O Tracking offset Adjust port
19
Pin No. Siganl Type COMMENT
154 SVDD P Servo VDD 5V
155 SVss P Servo GND
156 TDO O Tracking output
157 FDO O Focus output
158 SLDO O Sled output
159 SPDO O Spindle output
160 VDD0 P A/D & D/A 5V
161 Vss P Logic GND
162 VDD1 P 3.3V
163 RHLD O RFAGC hold output port
164 TSH O TS select port
165 EQS O RF Equalizer select port
166 GHS O RF signnal , TS signal gain
167 LDON O Laser Control port
168 TEST2 I TEST PIN (GND)
169 FG I FG input
170 IOPORT10 B General Input/output port
171 IOPORT11 B
172 IOPORT12 B
173 IOPORT13(Debug1) B Audio Mute
174 IOPORT14(Debug2) B LED Drive port
175 ZRESET I CHIP RESET
176 VDD0 P I/O power supply 5V
2. Trouble List (Circuit)
A. LED doesn’t light.B. Pick-Up doesn’t move to the inner-track.C. The Laser of Pick-Up doesn’t light.D. Pick-Up lens doesn’t move up and down.E. Disc doesn’t rotate.F. TOC isn’t read. (The LED turns on, but doesn’t flicker.)